51st week of 2010 patent applcation highlights part 28 |
Patent application number | Title | Published |
20100321799 | OPTICAL SYSTEM FOR PROCESSING A LIGHT BEAM - Optical system for processing a light beam comprises first and second optical means that are convergent and divergent respectively and form an afocal optical device. The first optical means comprises a single convergent lens. According to the invention, this convergent lens provides an order 0 beam and an order 2 beam resulting from the light beam to be processed passing through this lens after having been subjected to a 0 reflection and 2 reflections respectively on the lens faces, and the lens is optimised for the order 2 beam and has an aperture f/# less than 4 for this order 2 beam, with a wave front quality less than λ peak-to-valley, where λ is the wavelength of the light beam to be processed. | 2010-12-23 |
20100321800 | Imaging lens - An imaging lens includes a first lens L | 2010-12-23 |
20100321801 | CEMENTED OPTICAL ELEMENT - The present invention provides a cemented optical element including: a first optical element having a concave surface; a second optical element having a convex surface facing the concave surface; and an adhesive layer for bonding the convex surface to the concave surface. The concave surface and the convex surface are curved surfaces parallel to each other, with curvature centers thereof coinciding with each other on an optical axis. Thereby, the cemented optical element with high shape accuracy can be obtained. | 2010-12-23 |
20100321802 | Lens Unit, Lens Assembly, Camera Module, Method of Fabricating Camera Module and Lens Assembly, Method of Fabricating Optic Member, and Apparatus of Fabricating Optic Member - Provided are a lens unit, a lens assembly, a camera module, a method of fabricating the camera module and the lens assembly, a method of fabricating an optic member, and an apparatus of fabricating the optic member. The lens unit comprises a lens portion and a supporting portion. The lens portion has a curved surface. The supporting portion extends from the lens portion. The supporting portion comprises a protrusion or a recess. The method of fabricating the optic member comprises injecting a resin composition inside a mold die, pressing the resin composition; and irradiating light onto the resin composition. Due to the pressure, shrinkage of a photo-curable resin composition can be reduced, and thus, the lens unit comprising the protrusion or recess can be easily fabricated. | 2010-12-23 |
20100321803 | Optical Element Positioning Apparatus, Projection Optical System and Exposure Apparatus - An optical element is moved in six-degrees-of-freedom. Three first displacement sensors are disposed on a base plate and measure respective displacement amounts of three mutually different points on the optical element in a first direction. A second displacement sensor measures a displacement amount of one point on the optical element in a second direction. Two third displacement sensors measure respective displacement amounts of two mutually different points on the optical element in a third direction. A transformation processor transforms the six measured displacement amounts A calibration processor calibrates the transformed displacement amounts with a calibration matrix of which coefficients are previously obtained to calibrate the displacement amounts in the six-degrees-of-freedom, which have errors due to measurement errors of the displacement sensors. A controller outputs command values based on differences between the calibrated displacement amounts and target displacement amounts. | 2010-12-23 |
20100321804 | LENS DRIVING DEVICE AND ELECTRONIC DEVICE - Provided is a lens driving device, including: a movable system including a lens frame to which the lens is fixed; a fixation system including a guide shaft inserted into a guide hole formed in the lens frame to allow the lens frame to advance and retract in an optical axis direction and a restricting member for restricting rotation of lens frame about the guide shaft; a lead screw, which is a substantially-shaft-like member rotatable with respect to the fixation system about an axis thereof substantially parallel to the guide shaft, and in which a male thread threadably fitted to the movable system is formed; a motor for rotating the lead screw about the axis thereof to allow the movable system to advance and retract along the lead screw; and a biasing member arranged in substantially parallel to the guide shaft, for biasing the lens frame in the axial direction and about an axis thereof. Thus, a lens driving device which are capable of performing accurate position adjustment of the lens frame in the optical axis direction with the small number of components without causing decentering about the lens frame to which the lens is fixed, and an electronic device provided with the lens driving device are provided. | 2010-12-23 |
20100321805 | Lens-Driving Unit - Provided is a lens-driving unit reduced in size and improved in durability, A first flexible printed wiring board of the lens-driving unit has a terminal on one side connected to a first piezoelectric motor and lead in parallel to an optical axis, and the other side connected to a unit for power supply and control, in a loop shape gently bent to an opposite direction to the leading direction. A second flexible printed wiring board of it has a terminal on one side connected to a piezoelectric motor and lead in parallel to the optical axis, and the other side connected to a unit for power supply and control, in a loop shape gently bent to the opposite direction to the leading direction. At such reference plane a structure symmetrically having the second and the first flexible printed wiring board with respect to a reference plane, is employed. | 2010-12-23 |
20100321806 | VIBRATION WAVE DRIVEN APPARATUS AND IMAGE PICKUP APPARATUS INCLUDING VIBRATION WAVE DRIVEN APPARATUS - A vibration wave driven apparatus includes a vibrator configured to generate vibration, a rotor configured to be in frictional contact with the vibrator and to rotate about an axis of rotation, and a transmitting member configured to rotate about the axis and to transmit rotation of the rotor to an external component. A part of the transmitting member forms a worm portion of a worm gear. | 2010-12-23 |
20100321807 | DEVICE FOR SAMPLING A PLURALITY OF PARTS OF A LIGHT BEAM - Device for sampling a plurality of parts of a light beam, comprised of at least one optical component which comprises a plate made of a material which is transparent to the light beam, where this plate has first and second faces which are flat and parallel, and a third face which is flat and which forms a dihedron with the first face, where the angle of this dihedron is equal to π-α where 0<α≦Arcsin(1/n) where n if the refractive index of the material, so that by sending the light beam onto the first face, at an angle of incidence equal to Arcsin(n·sin(α)), a first sampled part ( | 2010-12-23 |
20100321808 | EXTREME BROADBAND COMPACT OPTICAL SYSTEM WITH MULTIPLE FIELDS OF VIEW - An optical system is described herein which has a compact, all reflective design that has multiple fields of view for imaging an object. The optical system also has identical viewing directions and can have several different configurations for adding laser range finding and designating components. | 2010-12-23 |
20100321809 | DEVICE FOR PROTECTION AND SPACE SAVING CAMERA LENS HOOD - A device for the protection of camera lens and the fixation of cameras, the device is a screw up bolt, its special feature lies in the screw-up-bolt being a round stub, the inner dimension of the bolt is to connect with the outer bottom of the camera with a matching thread or bolt flute. It could screw up with the bolt stub with inner screw thread, and to match up in accordance with the sizes of camera lens in varied screw threads of different designs by various manufacturers. The device could screw up with the bolt at both ends to connect with camera lens, therefore, it could connect two camera lens at the same time. | 2010-12-23 |
20100321810 | DISK DRIVE CONFIGURED TO CALCULATE HEAD REBOUND DISTANCE - According to one embodiment, a search module searches for a timing when a moving direction of a head changes in order to detect a first timing when the head collides against a stopper of a ramp during a head unload operation and a second timing when the head rebounds as a result of the collision. A calculation module calculates a rebound distance that the head has rebounded based on the first timing and the second timing. | 2010-12-23 |
20100321811 | DRIVE LIFE CYCLE MANAGEMENT - Described are a method and apparatus that monitor tape drive health for tape drives in a tape library. The tape library generally contains a data base that is adapted to maintain functional status records for interactions that occur when a tape drive physically engages a tape cartridge. More specifically, errors associated with tape drive and tape cartridge interactions can be stored in the data base and monitored to make determinations relative to problems encountered by a specific tape drive. | 2010-12-23 |
20100321812 | PROXIMITY DETECTION METHOD FOR MAGNETIC HEAD AND RECORDING MEDIUM - Touchdown is detected between an R/W head and disk by determining the variance in the frequency domain of a baseline position error signal (PES) and a PES measured after incrementally increasing the DFH control signal. To quantify the variance in the frequency domain, a discrete Fourier transform of the baseline PES and of each PES produced for a given DFH control signal is used. A band-limited PES variance is used to improve touchdown detection, but is not a requirement of this method. | 2010-12-23 |
20100321813 | SYSTEM, METHOD, AND APPARATUS FOR PERFORMING METROLOGY ON PATTERNED MEDIA DISKS WITH TEST PATTERN AREAS - Techniques for performing metrology on magnetic media disk formations that are arranged in curvilinear patterns are disclosed. Small integrated test patterns having rectangular periodicity are integrated among the concentric circles of patterned media formations. The test patterns cover only very small areas of the disk so as to not significantly affect disk capacity. The periodicity of the test patterns allows their formations to be more readily measured by metrology technology than those having a curvilinear periodicity. | 2010-12-23 |
20100321814 | ELECTRICAL LAP GUIDES AND METHODS OF USING THE SAME - An electrical lap guide having a first layer, the first layer including a material having a first resistivity, the first layer having first and second contact regions for electrically connecting the electrical lap guide to electrical leads; a second layer, the second layer including a material having a second resistivity, wherein the electrical lapping guide has a lapping axis and a layered axis, the layered axis being perpendicular to the lapping axis, the electrical lapping guide has an air bearing plane, the air bearing plane being perpendicular to the lapping axis, the second layer is disposed adjacent to a portion of the first layer in the direction of the layered axis, and the first layer extends farther in the lapping axis than does the second layer. | 2010-12-23 |
20100321815 | NOTCHED POLE DESIGN FOR HAMR RECORDING - A magnetic writer comprises a write pole and a near field transducer. The write pole has a leading edge, a trailing edge and a notch at the leading edge of the write pole. The near field transducer produces near field radiation. The near field transducer positioned in front of or at least partially within the notch. | 2010-12-23 |
20100321816 | MAGNETIC HEAD AND DISK APPARATUS PROVIDED WITH THE SAME - According to an embodiment, a magnetic head of a disk apparatus includes a recording element, a reproduction element, and a heater configured to thermally expand the elements toward the recording medium side. The recording element and reproduction element are configured in such a manner that when a recording current of an amplitude less than or equal to a predetermined amplitude is applied to the recording element, a distance between the recording element and the recording medium surface becomes greater than a distance between the reproduction element and recording medium surface, and when a recording current of an amplitude exceeding the predetermined amplitude is applied to the recording element, the distance between the recording element and the recording medium surface becomes less than the distance between a surface of the reproduction element and the recording medium surface. | 2010-12-23 |
20100321817 | MAGNETIC DISK DRIVE AND DATA REWRITE METHODS - In one embodiment, a magnetic disk drive includes a magnetic disk having data tracks, a magnetic head, a motion mechanism for moving the magnetic head, and a controller. The controller adds a value to a rewrite parameter for a rewrite region based on a number of writes to data tracks related to the rewrite region, the value is chosen to reflect a degree of influence the number of writes have on the rewrite region, and the magnetic head rewrites data of the rewrite region when the rewrite parameter is greater than a threshold. In another embodiment, a method includes writing data tracks in a rewrite region, defining values reflecting a degree(s) of influence on the rewrite region, adding the values to a rewrite parameter upon writing data to the data tracks, determining that the rewrite parameter has reached or exceeded a threshold and rewriting data in the rewrite region. | 2010-12-23 |
20100321818 | METHOD AND APPARATUS UTILIZING SHOCK SENSORS ON STORAGE DEVICES - A data storage system with a controller that receives shock data from a shock detection sensor and methods utilizing such a controller are provided. The data storage system controller receives information or signals regarding shock events from a shock sensor, enabling the data storage system controller to take remedial action. The particular remedial action taken may be dependent on the severity of the detected shock event. The data storage system controller may receive information regarding shock events from shock sensors provided separately from the data storage system controller, allowing the data storage system controller to take remedial action that is tailored to the locale of a shock event. | 2010-12-23 |
20100321819 | DISK DEVICE - In a positioning control system for a head of a magnetic disk device etc, a frequency of a disturbance oscillation having a specific oscillation component whose amplitude changes with a head position, is selected as a target frequency. Next, a resonance filter is so designed that it has a resonance characteristic at the target frequency and a variable gain device A having the gain changing with head position and a variable gain device B having inverse characteristics to the device A are connected to input and output terminals of the resonance filter, respectively. Input to the filter is made 0 during seek operation and an error signal is used as the input to the filter through the device A after the end of the seek operation. The variable gain devices A and B are controlled so that their product becomes 1. | 2010-12-23 |
20100321820 | Nano-lithography with rotating target and servo-positioned tip - The preferred embodiments of the present invention are devices and processes for producing high resolution lithography or pattern formation on the nanometer scale, using a voltage-biased probe that is slider-mounted along with, or separate from but linked to, a magnetic read head within a HDD mechanism. The probe is guided and positioned over a target layer by the motion of the read head which is, itself, guided by signals from servo tracks on a magnetic layer that activate an electromechanical servomechanism within the HDD. An electric field produced by the probe is capable of modifying the surface of the target layer over which the probe flies either directly, or by current induced or thermally induced effects. Targets such as amorphous or crystalline silicon can be hydrogen passivated and the electric field will produce oxidized or anodized lines with nanometer resolution. | 2010-12-23 |
20100321821 | DISK DEVICE AND ASPIRATION FILTER USED THEREFOR - According to an embodiment, a disk device includes a housing configured to contain therein a disk-shaped recording medium, a drive section configured to rotate the recording medium, a head configured to subject the recording medium to information processing, and an aspiration filter arranged inside the housing, including a casing including an inner side portion facing the recording medium, and an outer side portion positioned on the opposite side of the recording medium with respect to the inner side portion, and containing therein adsorbent configured to adsorb a substance in air, an inlet port in the casing and configured to take outside air into the casing, and an exhaust port in the outer side portion and configured to discharge the outside air that has passed through the adsorbent to the inside of the disk device. | 2010-12-23 |
20100321822 | MANUFACTURING METHOD OF THIN-FILM MAGNETIC HEAD, WAFER FOR THIN-FILM MAGNETIC HEAD AND THIN-FILM MAGNETIC HEAD - A manufacturing method of a thin-film magnetic head, includes a step of forming many thin-film magnetic heads arranged along row and column directions on a wafer, each of the thin-film magnetic heads having a read head element, a write head element, and pairs of probe-use pads electrically connected with the read head element and the write head element, respectively, the pairs of probe-use pads being positioned so that at least part of each probe-use pad is removed by a cutting process along the row direction, a step of obtaining a plurality of row-bars by cutting the wafer along the row direction so that the at least part of each probe-use pad is removed, each of the obtained row-bars having the thin-film magnetic heads aligned in the row direction, a step of forming pairs of bonding pads electrically connected with the read head element and the write head element, respectively, on a surface opposite to an ABS of each thin-film magnetic head of each of the row-bars, and a step of cutting each row-bar along the column direction to separate into individual thin-film magnetic heads. | 2010-12-23 |
20100321823 | BEARING APPARATUS, SPINDLE MOTOR, AND DISK DRIVE APPARATUS - A bearing apparatus includes a shaft, a thrust cup including an annular potion and a cylindrical portion, a rotating member including a through hole defined therein, and a lubricating oil. A second gap defined between a lower surface of the rotating member and an upper surface of the annular portion of the thrust cup includes a first region in communication with a capillary seal portion, and a second region positioned radially inward of the first region and having an axial dimension smaller than that of the first region. A lower end portion of the through hole is open at a location radially outwardly away from a boundary between the first and second regions, so that a local circulation of the lubricating oil arises within the first region during rotation of the rotating member. | 2010-12-23 |
20100321824 | MAGNETIC RECORDING HEAD HAVING SECONDARY SUB-GAPS - A magnetic head and method for making same which can be used for formatting or writing servo tracks or data on a tape. In one example, the magnetic head may include a magnetic thin film layer; at least one gap defined in the magnetic thin film layer; and at least one secondary sub-gap structure within the magnetic thin film layer, the at least one gap positioned proximate the at least one secondary sub-gap structure. Through the use of the secondary sub-gap structure, the gap (i.e. a record gap or channel) can be made thinner than in conventional heads. | 2010-12-23 |
20100321825 | MAGNETIC WRITER WITH MULTI-COMPONENT SHIELF - A writer comprises a main pole, a write gap and a write shield. The main pole has a main pole tip for emitting magnetic flux. The write gap is adjacent the main pole tip along a center axis of the writer. The write shield is spaced from the main pole tip by the write gap. The write shield comprises a first component located above the main pole tip along the center axis and a second component having different magnetic properties from the first component. The second component extends perpendicularly to the center axis from opposing sides of the first component. | 2010-12-23 |
20100321826 | MAGNETIC RECORDING MEDIUM AND MANUFACTURING METHOD OF THE MAGNETIC RECORDING MEDIUM - It is an object to manufacture magnetic recording media with the high recording density. Since nonmagnetic portions ( | 2010-12-23 |
20100321827 | SLIDER WITH STABILIZING CONTACT FINGER - A slider includes a slider body having an air bearing surface, a first contact finger, and a transducing head. The first contact finger extends from the slider body and has a contact surface area of between about 2 square microns to about 20 square microns. The transducing head is supported by the slider body near the first contact finger and extends from the air bearing surface by a distance less than that of the first contact finger. | 2010-12-23 |
20100321828 | METHOD AND APPARATUS FOR ACTIVE CONTROL OF SPACING BETWEEN A HEAD AND A STORAGE MEDIUM - A slider having a slider body is provided. An electrical connection is coupled to the slider body. A first actuator is coupled to the electrical connection and adapted to displace a first portion of the slider body. Additionally, a second actuator is coupled to the electrical connection and adapted to displace a second portion of the slider body. | 2010-12-23 |
20100321829 | SLIDER BOND PAD WITH A RECESSED CHANNEL - A slider includes a slider body and a bond pad. The bond pad is positioned on the slider body and has a bonding surface with a recessed channel for directing solder flow. | 2010-12-23 |
20100321830 | SLIDER BODY WITH SELECTIVE HARD COMPONENT REMOVAL - A slider is formed of a two-phase material having a first component and a second component that is harder than the first component. A media-facing surface is formed on two-phase material, with a leading edge extending transversely from the media-facing surface. The second component is selectively removed from the two-phase material in a contact region located along at least one of the leading edge and the media-facing surface, such that a hardness of the slider is reduced in the contact region. | 2010-12-23 |
20100321831 | WRITE POLE FABRICATED USING A CARBON HARD MASK AND METHOD OF MAKING - A magnetic writer comprises a write pole, a substrate and a non-magnetic, oxygen-free buffer material. The write pole has a leading edge, a trailing edge, a first side and second side. The substrate is at the leading edge of the write pole. The non-magnetic, oxygen-free buffer material is located between the write pole and the substrate. | 2010-12-23 |
20100321832 | TOLERANCE RING ASSEMBLY - A tolerance ring has a band with outwardly extending corrugated protrusions forming waves that engage an outer surface of a shaft. At one end of the tolerance ring is an inwardly flared guide surface extending axially and radially from the band. The guide surface acts as a tapered entrance to a bore of a housing to assist during assembly. | 2010-12-23 |
20100321833 | TOLERANCE RING ASSEMBLY - A tolerance ring has a band ( | 2010-12-23 |
20100321834 | HEAD, HEAD SUSPENSION ASSEMBLY, AND DISK DRIVE PROVIDED WITH THE SAME - According to an embodiment, a head includes a slider and a head portion on the slider. A facing surface of the slider includes a negative-pressure cavity defined by a recess in the facing surface, a leading step portion on an upstream side of the negative-pressure cavity, a pair of side portions extending in a first direction from the leading step portion, a trailing step portion on an outflow side of the negative-pressure cavity, a pair of skirt portions extending in the first direction from the side portions toward the outflow end of the slider, and an enclosure step portion continuously arranged along an outflow end edge and opposite side edges of the facing surface from the trailing step portion to opposite sides of the skirt portions and outsides of the side portions and formed deeper than the skirt portions and shallower than the negative-pressure cavity. | 2010-12-23 |
20100321835 | SELF-ALIGNED, TRAILING EDGE PARTIAL SIDE SHIELD AND METHOD OF MAKING - A magnetic writer includes a write pole, a first partial shield and a second partial shield. The write pole has a leading edge, a trailing edge, a first side and a second side. The first partial side shield is located on the first side of the write pole, and the second partial side shield is located on the second side of the write pole. The first partial side shield and the second partial side shield extend along side of the write pole from the trailing edge to a location intermediate that trailing edge and the leading edge so that the first partial side shield and the second partial side shield do not shield the leading edge. | 2010-12-23 |
20100321836 | MULTI-POLE ARC-FAULT CIRCUIT INTERRUPTER - A multi-pole circuit breaker having the same number of sensors and controllers as poles. One pole is monitored by a first sensor and a first controller, which are disposed on a first circuit board. Another pole is monitored by a second sensor and a second controller, which are disposed on a second circuit board that is cable-connected to the first circuit board. A ground-fault sensor monitors the sum of current flowing through the line conductors and a neutral conductor, and the output of the ground-fault sensor is provided to one or both of the controllers. Each controller is operable to detect arc faults on the respective line that it is monitoring, and at least one is operable to detect ground faults. A push-to-test algorithm is executed in relay fashion, with one controller executing the test before passing the result of the test onto the next controller, which in turns executes the test. | 2010-12-23 |
20100321837 | ELECTRONIC PROTECTION UNIT FOR AUTOMATIC CIRCUIT BREAKERS AND RELATIVE PROCESS - Electronic protection unit comprising a control unit and a main and auxiliary power supply stage to supply electrical power to said control unit. The auxiliary power supply stage comprises electronic means suitable to generate an auxiliary power supply voltage, in response to a light radiation received in input. In a further aspect, the present invention relates to a process to manage an electronic protection unit of a power line, in emergency condition. | 2010-12-23 |
20100321838 | ARC FLASH DETECTION SYSTEM - An apparatus to detect arc is presented. The apparatus includes a fiber sensor to detect characteristics of an arc flash and a processor to process at least two characteristics of the arc flash. The processor is further configured to generate an arc fault signal. A protective device is configured to mitigate the arc flash based on the arc fault signal. | 2010-12-23 |
20100321839 | OVER-CURRENT PROTECTION DEVICE FOR MULTIPLE HIGH-VOLTAGE MOTIVE DEVICES AND METHOD THEREOF - An over-current protection device for multiple high-voltage motive devices is provided. The over-current protection device includes a comparison module and a logic operation module. The comparison module receives a plurality of voltages generated from a plurality of operating currents of a plurality of high-voltage motive devices and respectively compares the voltages with at least one reference voltage to generate a plurality of comparison results, wherein the high-voltage motive devices are solenoids, electronic clutches, or a combination of solenoids and electronic clutches. The logic operation module receives the comparison results and generates at least one control signal for a plurality of high-voltage motive device driving circuits according to the comparison results. The high-voltage motive device driving circuits respectively drive the high-voltage motive devices according to the control signal. | 2010-12-23 |
20100321840 | Bottom source NMOS triggered zener clamp for configuring an ultra-low voltage transient voltage suppressor (TVS) - A low voltage transient voltage suppressing (TVS) device supported on a semiconductor substrate supporting an epitaxial layer thereon. The TVS device further includes a bottom-source metal oxide semiconductor field effect transistor (BS-MOSFET) comprises a trench gate surrounded by a drain region encompassed in a body region disposed near a top surface of the semiconductor substrate wherein the drain region interfaces with the body region constituting a junction diode and the drain region encompassed in the body region on top of the epitaxial layer constituting a bipolar transistor with a top electrode disposed on the top surface of the semiconductor functioning as a drain/collector terminal and a bottom electrode disposed on a bottom surface of the semiconductor substrate functioning as a source/emitter electrode. The body regions further comprises a surface body contact region electrically connected to a body-to-source short-connection thus connecting the body region to the bottom electrode functioning as the source/emitter terminal. The gate may be shorted to the drain for configuring the BS-MOSFET transistor into a two terminal device with a gate-to-source voltage equal to a drain-to-source voltage. The drain/collector/cathode terminal disposed on top of the trench gate turns on the BS-MOSFET upon application of a threshold voltage of the BS-MOSFET thus triggering the bipolar transistor for clamping and suppressing a transient voltage substantially near a threshold voltage of the BS-MOSFET. | 2010-12-23 |
20100321841 | ELECTROSTATIC DISCHARGE PROTECTION CIRCUIT - Disclosed herein are embodiments of electrostatic discharge (ESD) protection circuits. In certain embodiments an ESD protection circuit may include two series resistor-capacitor (RC) circuits. One series RC circuit may have a short time constant and may selectively activate a current shunt between two power rails in response to an ESD event. Accordingly, the ESD circuit may be able to respond to fast ramping ESD events. The other series RC circuit has a longer time constant, and maintains the current shunt in an active state for a sufficient amount of time to allow the ESD event to be completely discharged. | 2010-12-23 |
20100321842 | Electrostatic Discharge Structures and Methods of Manufacture - Electrostatic discharge (ESD) structures having a connection to a through wafer via structure and methods of manufacture are provided. The structure includes an electrostatic discharge (ESD) network electrically connected in series to a through wafer via. More specifically, the ESD circuit includes a bond pad and an ESD network located under the bond pad. The ESD circuit further includes a through wafer via structure electrically connected in series directly to the ESD network, and which is also electrically connected to VSS. | 2010-12-23 |
20100321843 | Semiconductor ESD Device and Method of Making Same - A semiconductor device includes an SCR ESD device region disposed within a semiconductor body, and a plurality of first device regions of the first conductivity type disposed on a second device region of the second conductivity type, where the second conductivity type is opposite the first conductivity type. Also included is a plurality of third device regions having a sub-region of the first conductivity type and a sub-region of the second conductivity type disposed on the second device region. The first regions and second regions are distributed such that the third regions are not directly adjacent to each other. A fourth device region of the first conductivity type adjacent to the second device region and a fifth device region of the second conductivity type disposed within the fourth device region are also included. | 2010-12-23 |
20100321844 | VOLTAGE PROTECTION ARRANGEMENT FOR AN ELECTRONIC DEVICE - A voltage protection arrangement for an electronic device, in particular for a control system in automation engineering has a great functionality, and also a greater range of applications, due to the fact that the arrangement has a switching-off unit and a voltage detection unit connected to the output of the switching-off unit, the switching-off unit having a voltage comparator and a normally electrically closed switch connected to the output of the voltage comparator, arranged between the input and the output of the switching-off unit, wherein the voltage detection unit has a voltage comparator and a switch output connected to the output of the voltage comparator for signaling an impermissible voltage, and wherein, in the event of an impermissible voltage occurring at the input of the switching-off unit, the electrical switch is opened and, in the event of a subsequent permissible voltage occurring, the switch is closed again. | 2010-12-23 |
20100321845 | OVERHEAT PROTECTION CIRCUIT AND POWER SUPPLY INTEGRATED CIRCUIT - Provided is a power supply integrated circuit including an overheat protection circuit with high detection accuracy. The overheat protection circuit includes: a current generation circuit including: a first metal oxide semiconductor (MOS) transistor including a gate terminal and a drain terminal that are connected to each other, the first MOS transistor operating in a weak inversion region; a second MOS transistor including a gate terminal connected to the gate terminal of the first MOS transistor, the second MOS transistor having the same conductivity type as the first MOS transistor and operating in a weak inversion region; and a first resistive element connected to a source terminal of the second MOS transistor; and a comparator for comparing a reference voltage having positive temperature characteristics and a temperature voltage having negative temperature characteristics, which are obtained based on a current generated by the current generation circuit. | 2010-12-23 |
20100321846 | SEMICONDUCTOR APPARATUS AND TEMPERATURE DETECTION CIRCUIT - Provided is a semiconductor apparatus which includes a power transistor that is placed between an input terminal and an output terminal, a temperature detection diode that has a cathode connected to the input terminal and an anode connected to the output terminal, a current amplifier that outputs a detection current generated by amplifying a backward leakage current flowing from the cathode to the anode of the temperature detection diode, a first conversion resistor that outputs an overheat detection signal generated by converting the detection current into a voltage, a gating circuit that performs gating of a control signal according to the overheat detection signal, and a driver circuit that outputs a drive signal to a control terminal of the power transistor based on an output signal of the gating circuit. | 2010-12-23 |
20100321847 | SEMICONDUCTOR POWER CONVERSION APPARATUS - A semiconductor power conversion apparatus capable of protecting an IGBT from an overvoltage by supplying a sufficient gate current to the gate of the IGBT. The IGBT is protected from the overvoltage by connecting clamping elements connected in series between a collector of the IGBT and the gate thereof, and by connecting a resistor to each of different junction points between the clamping elements connected in series. | 2010-12-23 |
20100321848 | COMBINATION CURRENT SENSOR AND RELAY - A protection device for monitoring current in a power cable to an electrical device and for controlling a remotely located starter for the electrical device in response to a system controller. The device includes a transformer magnetically linked with the power cable to produce a voltage signal in response to the presence of a changing current within the power cable. An input circuit located in a single housing together with the transformer is electrically connected to the transformer so as to receive the voltage signal. The input circuit produces, in response to the voltage signal, either a first signal or a first circuit condition at the output terminal of the input circuit, representative of the changing current in the power cable. A switch circuit also in the same container with the transformer has a terminal for sensing either a second signal or a second circuit condition of the remotely located system controller. The switch circuit has a second terminal to provide either a third signal or a third circuit condition effective to control the starter, in response to sensing one of the second signal and the second circuit condition. All of the transformer, the input circuit, and the switch circuit are located in a single unitary package which is easily mounted and adjusted to a desired position. | 2010-12-23 |
20100321849 | OVERSTRESS PROTECTION APPARATUS AND METHOD - An overstress protection apparatus includes a switch detector. The switch is arranged in a grounding path of a load system. The detector detects the current, voltage or temperature of the load system to determine a signal for controlling the switch, to thereby protect the load system working in normal conditions. | 2010-12-23 |
20100321850 | ARRANGEMENT COMPRISING A SURGE ARRESTER - A configuration includes a surge arrester. The surge arrester includes first and second connecting terminals. At least one connecting terminal is connected to an electrically conductive connecting path to contact the surge arrester. The connecting path is mounted in a universally jointed manner. | 2010-12-23 |
20100321851 | Method and Apparatus for Moving Material - A method and apparatus for moving magnetic material includes an electromagnet for lifting the magnetic material where upon its release, the residual magnetic flux of the lifted magnetic material is reduced. The apparatus includes a generator coupled to the electromagnet. The generator includes a control input and an armature having a voltage output. A controller has an output coupled to the generator's control input and armature voltage output, whereupon receiving a release material signal from an operator interface panel to release the magnetic material from the electromagnet, the controller transmits a plurality of control signals, one of which is at least partially dependent upon the duration of a previously transmitted control signal, to effectively alternate the polarity and reduce the magnitude of the magnetizing force of the electromagnet. | 2010-12-23 |
20100321852 | SWITCHING MEANS FOR CONNECTING A LOAD TO A POWER SUPPLY AND ITS METHOD OF OPERATION - A switching device for controlling the supply of power from a supply to a load comprises a solid-state switch arranged in parallel with a relay of normally closed type. The solid-state switch and the relay are arranged in series with the load and the power supply. The switch also comprises a control adapted to connect the power supply to the load by applying an activation signal to the solid-state switch to cause it to conduce, then de-energizing the relay and then removing the activation signal to the solid-state switch in that order. The control is also adapted to disconnect the power supply from the load by applying an activation signal to the solid-state switch to cause it to conduct, then energizing the relay and then removing activation signal to the solid-state switch in that order. A corresponding method of operation is also disclosed. | 2010-12-23 |
20100321853 | CASE STRUCTURE - A case structure for an electronic device includes a first conductive layer, a conductive housing, and a surface treatment layer. The first conductive layer has a taper protrusion. The conductive housing is disposed at one side of the first conductive layer, and a narrow end of the taper protrusion faces the conductive housing. The surface treatment layer is disposed between the taper protrusion and the second conductive layer. | 2010-12-23 |
20100321854 | ELECTROSTATIC DISCHARGE (ESD) PROTECTION METHOD AND STRUCTURE FOR ELECTRONIC PRODUCT - An electrostatic discharge (ESD) protection method and structure for an electronic product internally equipped with an electronic component are provided for protecting the electronic component against electrostatic discharge. A casing of the electronic product has a through-hole corresponding in position to the electronic component and communicating with the outside. The length and shape of the through-hole are defined such that they are equal to or greater in length than the length of an electric arc produced as a result of electrostatic discharge, so as to prevent electric arcs from reaching the electronic component, thereby dispensing with an electrostatic discharge protection circuit or related component and reducing manufacturing costs of electronic products. | 2010-12-23 |
20100321855 | Handheld stun device - A handheld electric stunning device has a main body defining housing for containing an internal battery source. A pair of spaced electrical probes on a front end of the main body are electrically connected to the battery source. A safety switch is operable to active and deactivate the device and is normally concealed by a cover that moves to reveal the safety switch. A power switch energizes the device and a trigger switch is operable to release a charge of electric current from the battery source to the electrical probes. A hand securing strap formed of an elastomeric material extends along a top side of the main body and is structured and disposed for receiving a user's hand between the strap and the housing with the strap stretched and pulled tight across the back of the user's hand, thereby firmly securing the device to the user's hand. | 2010-12-23 |
20100321856 | METHOD OF PLATEN FABRICATION TO ALLOW ELECTRODE PATTERN AND GAS COOLING OPTIMIZATION - An electrode pattern and layered assembly is disclosed. This assembly utilizes multiple-piece construction, including at least two electrically conductive layers and at least three electrically insulating layers. By incorporating a second electrically conductive layer, each electrode can be divided into two or more separate portions on the top layer, and joined together using the second conductive layer. Connections between the two conductive layers can be made using any suitable technique, including through-hole vias, conductive rods and the like. The use of a second electrically conductive layer also allows for a different gas distribution strategy. The use of multiple conductive layers allows the use of one or more concentric channels to be used through which the gas can be injected. | 2010-12-23 |
20100321857 | VARIABLE CAPACITOR, CONTROL METHOD THEREOF, ELECTRONIC DEVICE AND COMMUNICATION MOBILE DEVICE - The present invention provides a variable capacitor and a control method thereof capable of responding to applications of electronic apparatus including various electronic devices and communication mobile devices. The electronic device and the communication mobile device including the variable capacitor are provided. | 2010-12-23 |
20100321858 | MULTILAYER CAPACITORS AND METHODS FOR MAKING THE SAME - A capacitor device may include a first electrode, a second electrode, a third electrode, a first dielectric layer, and a second dielectric layer. The first electrode may be coupled with a first terminal of the capacitor device. The second electrode is under the first electrode and may be coupled with a second terminal of the capacitor device. The second electrode may be electrically isolated from the first electrode. The third electrode is under the first electrode and the second electrode and may be electrically isolated from the second electrode and electrically coupled with the first electrode. The first dielectric layer has a first dielectric constant and may be sandwiched between the first electrode and the second electrode. The second dielectric layer may have a second dielectric constant and may be sandwiched between the second electrode and the third electrode. In one embodiment, the second dielectric constant is at least five times larger than the first dielectric constant. | 2010-12-23 |
20100321859 | Annular Capacitor with power conversion components arranged and attached in manners uniquely allowed by the ring shaped form factor - The formation of an assembled unit consisting of an annular capacitor [a wound, metallized dielectric capacitor in the shape of a closed path ring] with other power conversion components arranged and attached in manners uniquely allowed by the ring design will allow higher density converter designs [power/unit volume]. The resulting short connection paths between the capacitor element and the switching semiconductors also provide a very low inductance path that minimizes voltage spikes on the switching semiconductors as a result of turn-off di/dt. The capacitor serves as a short time current source and sink for the switching semiconductors. With the described configuration the RMS current seen by the capacitor can be made more volumetrically uniform enabling more uniform capacitor rise. The single capacitor configured as described also mitigates bus resonance problems often observed in prior art when multiple discrete capacitors are connected in parallel. | 2010-12-23 |
20100321860 | Multilayer Capacitor - The invention relates to a multilayer capacitor capable of controlling ESR while maintaining the level of ESL low. A multilayer capacitor ( | 2010-12-23 |
20100321861 | Capacitors Comprising Organized Assemblies of Carbon and Non-Carbon Compounds - This invention relates generally to capacitors comprising organized assemblies of carbon and non-carbon compounds. This invention further relates to methods of making such organized structures. It also relates to devices containing such structures. In preferred embodiments, the organized structures of the instant invention take the form of nanorods or their aggregate forms. More preferably, a nanorod is made up of a carbon nanotube filled, coated, or both filled and coated by a non-carbon material. In particular, the present invention is directed to a capacitor electrode comprising a carbon nanotube filled with one or more non-carbon materials comprising titanium, a titanium compound, manganese, a manganese compound, cobalt, nickel, palladium, platinum, bromine, iodine, an interhalogen compound, or the combination thereof. | 2010-12-23 |
20100321862 | Capacitor devices - A capacitor device with a capacitance is introduced. The capacitor device includes at least one capacitive element. The at least capacitive element comprises a pair of first conductive layers being opposed to each other, at least one first dielectric layer formed on a surface of at least one of the first conductive layers, and a second dielectric layer being sandwiched between the first conductive layers. The first dielectric layer has a first dielectric constant and the second dielectric layer has a second dielectric constant. The capacitance of the capacitor device depends on dielectric parameters of the first dielectric layer and the second dielectric layer. The dielectric parameters comprise the first dielectric constant and thickness of the at least one first dielectric layer and the second dielectric constant and thickness of the second dielectric layer. | 2010-12-23 |
20100321863 | ACTIVATED CARBON AND PROCESS FOR PRODUCING THE SAME - An activated carbon obtained by activating a carbide of a compound (1) with an alkali metal hydroxide, wherein the compound (1) is obtained, for example, by dehydration condensation of a resorcinol and an aldehyde using an acid catalyst. | 2010-12-23 |
20100321864 | MULTIPLE-TRACK SUPERCAPACITOR - The invention relates to a supercapacitor that comprises at least two juxtaposed complexes ( | 2010-12-23 |
20100321865 | Electronic Apparatus with Embedded Power Supply Device - An electronic apparatus with an embedded power supply device includes a base, a power supply device, and an accommodating structure disposed on the base for accommodating the power supply device, a first connector disposed on the accommodating structure, and a second connector disposed on the power supply device. The first connector is removably connected with the second connector. The accommodating structure has a fixing structure disposed thereon for securely fixing the power supply device thereon. | 2010-12-23 |
20100321866 | ELECTRONIC DEVICE AND MOVING MECHANISM THEREOF - A moving mechanism is provided, including a torsion hinge, a slider, a lock member, and an elastic member disposed on the slider. The torsion hinge has a first plate and a second plate rotatable relative to each other. The lock member is rotatable relative to the first plate, and the slider is movably disposed on the second plate. When the moving mechanism is in a closed state, the lock member is engaged with a slot portion of the second plate, so as to restrict the second plate in a predetermined angle. When the slider slides relative to the second plate to a critical position, the elastic member pushes the lock member to release from the slot portion, such that the second plate is rotatable to an open position. | 2010-12-23 |
20100321867 | SLIDING MECHANISM FOR SLIDE-TYPE ELECTRONIC DEVICE - A sliding mechanism for a portable electronic device includes a fixing member, at least one first elastic member arranged at a side of the fixing member, a sliding member, and at least one second elastic member arranged at a side of the sliding member. The first elastic member includes an arcuate first resisting section, the second elastic member includes an arcuate second resisting section, the second resisting section is shorter than the first resisting section. The sliding member is assembled with the fixing member and the second resisting section elastically resists with the first resisting section. The sliding member can automatically slide due to resilient forces between the first resisting section and the second resisting section. | 2010-12-23 |
20100321868 | BATTERY COVER ASSEMBLY FOR PORTABLE ELECTRONIC DEVICE - A battery cover assembly for a portable electronic device is disclosed including a base member, a cover member rotatably attached with the base member, a connecting body, a protruding post, a sleeve, and an elastic member. The connecting body guides the rotation of the cover member about the axis of the protruding post. A sleeve rotates along with the cover member and can maintain the cover member at any position relative to the base member during rotation of the cover member. The elastic member can disengage the sleeve from the base member. | 2010-12-23 |
20100321869 | Supporting structure and display device - A display device includes: a display-device main unit having a display screen on the front; a standing pole; a first support member having mounting holes arranged vertically with a predetermined pitch and fixed to the pole; and a second support member having threaded holes arranged vertically with the same pitch as the predetermined pitch and fewer than the mounting holes. The second support member is fixed to the back of the display-device main unit. One of the first support member and the second support member has an engaging hole, and the other has projections arranged vertically with the same pitch as the predetermined pitch and each capable of being inserted into the engaging hole. According to a projection that is one of the projections and inserted into the engaging hole, mounting holes among the mounting holes and as many as the threaded holes are connected to the threaded holes, respectively. | 2010-12-23 |
20100321870 | ELECTRONIC DEVICE - According to one embodiment, an electronic device includes an outer cover, ribs, and reinforcement beads. The outer cover constitutes an enclosure of a display section, and covers the back of a display unit to be assembled in the display section. The ribs are formed integral with an inner wall of the outer cover into a honeycomb structure arrangement constituted of a plurality of cells. The reinforcement beads are formed integral with the inner wall of the outer cover from the vicinity of each of both hinge side corners where the hinge is fastened on, to the vicinity of each of both rotation end corners located at positions on the outer cover diagonal with respect to the hinge side corners. | 2010-12-23 |
20100321871 | PORTABLE ELECTRONIC DEVICE CASE WITH BATTERY - A case for an electronic device protects and extends the battery life of the electronic device. The case has a lower case portion and an upper case portion, which assemble together to protect the top, side, and bottom edges of the electronic device. The lower case portion includes a battery to extend the battery life of the electronic device. | 2010-12-23 |
20100321872 | ELECTRONIC DEVICE WITH ROTATABLE KEYBOARD - An electronic device with a rotatable keyboard is provided. The electronic device includes a casing defining a plurality of button holes, and a pressable plate having a plurality of transparent pressable protrusions. Each of the pressable protrusions exposes itself through a corresponding button hole of the casing for a user to press the pressable protrusions to input commands to the electronic device. The electronic device further includes at least one rotatable member mounted in the base. A plurality of touch points are arranged on each surfaces of the rotatable member. The electronic device further includes a transmission mechanism and a knob. The knob is for driving the transmission mechanism, and the transmission mechanism is for rotating the rotatable member to make one surface of the at least one rotatable member face the pressable plate and the touch points on the surface being touchable by the user. | 2010-12-23 |
20100321873 | SYSTEMS AND METHODS FOR PROVIDING AIRFLOW - An exemplary embodiment of the present invention provides a computer system. The system includes an enclosure configured to house a plurality of electronic devices. The system also includes a fan coupled to the enclosure and configured to provide a flow of cooling air through the enclosure to cool the electronic devices. The system also includes a first airflow path configured to allow the cooling air to exit the enclosure and attenuate noise generated in the enclosure. The system also includes an auxiliary outlet configured to provide a second airflow path if the first airflow path is obstructed. | 2010-12-23 |
20100321874 | COMPUTER SERVER CHASSIS - An expandable server housing having one or more server chassis stacked upon each other and one intake plenum and one exhaust plenum disposed on opposite sides of the stacked server chassis is disclosed. Each server chassis may have two or more fans predominately controlling airflow rate through a zone of the server chassis. Also, a method and system determining fan failure regardless of blockage of air path. | 2010-12-23 |
20100321875 | ELECTRONIC DEVICE - An electronic device includes a main body, an input unit, a screen, and a connecting mechanism. The main body has a first side and a second side next to the first side. The input unit is disposed on the main body. The connecting mechanism is connected with the main body and the screen. The screen is adjacent to the first side or the second side of the main body via the connecting mechanism. When the screen is at the first side of the main body, a display direction of the screen and a display direction of symbols of the input unit are parallel to an extending direction of the first side. When the screen is at the second side of the main body, the display direction of the screen and the display direction of the symbols of the input unit are vertical to an extending direction of the second side. | 2010-12-23 |
20100321876 | BRACKET AND COMPUTER SYSTEM HAVING THE SAME - A computer system having a monitor includes a bracket fixed to a back cover of the monitor. The bracket includes a main body fixed to the back cover, a first fixation board, and a second fixation board. The first fixation board and the second fixation board are movably mounted to the main body. An enclosure is received in a space bounded by the main body, the first fixation board, and the second fixation board. | 2010-12-23 |
20100321877 | Reconfigurable Computer - A portable computer system is provided having a base unit and a detachable display unit. The display unit can be oriented in landscape and portrait orientations, or can be replaced by display units having different physical characteristics. A support structure can be deployed to provide increased physical stability when desired. | 2010-12-23 |
20100321878 | RETRACTABLE USB MEMORY STICK - A retractable USB memory stick includes a metal casing formed of a seamless flat tube having opposing front opening and rear opening, a sliding slot located on one peripheral wall thereof, and first and second locating holes located on the sliding slot, a PC board having a front USB interface circuit and a rear memory IC package, and an insulation PC board holder holding the PC board and slidably mounted in the metal casing. The insulation PC board holder has a spring strip bridged on the outside wall thereof, a sliding block located on the spring strip and forced by the spring power of the spring strip into the sliding slot of the metal casing, and a retaining block protruded from the sliding block for selectively engaging the first locating hole or second locating hole of the metal casing to lock the insulation PC board holder to the metal casing in the extended position and received position. | 2010-12-23 |
20100321879 | HARD DISK DRIVE HOLDER - A hard disk drive holder includes a main body, a spindle mounted to the main body and slidable between first and second positions, a handle rotatably connected to the main body via the spindle, a hook mounted to the handle, and first and second elastic members. The handle includes a locking tongue. The handle moves between closed and opened positions relative to the main body. When the handle is at the closed position, if the spindle is slid from the first position to the second position, the locking tongue gradually extends outside from the main body. When the handle is at the closed position, if the spindle is not at the first position, the hook can hook the main body. The first elastic member biases the spindle to slide to the second position. The second elastic member biases the handle to rotate to the opened position. | 2010-12-23 |
20100321880 | MODULAR DATA PROCESSING COMPONENTS AND SYSTEMS - Data processing modules including a housing and optical interfaces associated with the exterior of the housing, and systems including the same. | 2010-12-23 |
20100321881 | Computer Systems And Related Methods For Cooling Such Systems - Methods for cooling computer systems are provided, in which the computer system has a processor and a fan. An exemplary method comprises: determining a temperature threshold for operating the fan at greater than low speed; determining a temperature of the computer system; and throttling the processor if the temperature corresponds to the temperature threshold for operating the fan at greater than low speed. Systems also are provided. | 2010-12-23 |
20100321882 | Computing Device Locking Mechanisms - A locking mechanism includes a release button, a pivot shaft on which the release button is provided, a locking element fixedly mounted on the pivot shaft, and a stop member that is aligned with the locking element when the locking mechanism is in a locked position, wherein contact between the locking element and the stop member prevents pivoting of the locking element and the pivot shaft but depression of the release button moves the locking element clear of the stop member to enable pivoting of the pivot shaft. | 2010-12-23 |
20100321883 | COMPUTING DEVICES HAVING FAIL-SAFE MECHANICAL SHUT-OFF SWITCH - In one embodiment, a computing device includes a circuit board having a heat-generating component and a mechanical shut-off switch configured to cut power to the heat-generating component when a temperature within the computing device rises above a threshold temperature. | 2010-12-23 |
20100321884 | MOUNTING APPARATUS FOR PCI DEVICE - A mounting apparatus is configured for a Peripheral Component Interconnect (PCI) device. The mounting apparatus includes a chassis and a latch plate. The chassis includes a plate. The chassis plate defines a slot therein. A blocking portion is located on an edge of the chassis slot. The latch plate is configured to be fixed on the PCI device, and includes a resiliently deformable locking portion. The locking portion is engageable with the chassis blocking portion. | 2010-12-23 |
20100321885 | Modular computer - A modular computer includes a main board unit, a power supply unit, a CPU, a graphic/display unit, a data reading/writing unit and a plurality of fasteners. Each of the units is formed into a rectangular six-face-boxed modular. A connector is provided on one of the faces of the units. The units are stacked in vertical direction or arranged in horizontal direction. The units are fixed together by the fasteners. The connectors provide electrical connection among the units. | 2010-12-23 |
20100321886 | Enclosure Element - An enclosure for electronic assemblies is provided, with a first deck surface and a first side wall with a short side and a long side and a second deck surface, disposed such that it faces the first deck surface, and a second side wall, disposed such that it faces the first side wall, with a short side and a long side, as well as with a first venting element, which extends in the direction of the long side along one of both side walls, and a plurality of plug-in slots for electronic assemblies that are arranged in parallel to one another, whereby the electronic assemblies are disposed, in the plugged-in state, vertically to both long sides of both side walls, and the first deck surface includes, along the end oriented toward the first side wall, a first opening and the first venting element, on the enclosure's outer side of the first deck surface, is disposed at least partially above the first opening, and the first and/or the second deck surface includes a second opening, along the end that faces the second side wall, for entering or exiting air, so that the venting element generates in the interior of the enclosure an air current that preferably flows vertically to the surface of the side walls. | 2010-12-23 |
20100321887 | DISPLAY APPARATUS - A display unit is disclosed. A display apparatus includes a panel unit displaying images, a circuit unit provided a rear surface of the panel unit, a chamber surrounding the circuit unit, the chamber forming a predetermined space and at least one ventilation fan ventilating air inside the chamber along a circulation path passing beyond the circuit unit. According to a display apparatus according to the present invention, parts which are mounted in the display apparatus may be protected from external moisture or dust. Furthermore, heat radiation may be performed efficiently in the display apparatus according to the present invention even if environments of heat exchanging with an outside may not be formed enough in a structure of the display apparatus. | 2010-12-23 |
20100321888 | ELECTRONIC DEVICE - According to one embodiment, an electronic device includes a printed wiring board, a first heat generating part and a second heat generating part secured to one surface of the printed wiring board, a plurality of first heat pipes, a second heat pipe and a heat sink. The first heat pipes each include a first end portion, a second end portion on an opposite side to the first end portion and a middle portion located between the first and second end portions and thermally connected to the first heat generating part. The second heat pipe includes a third end portion connected to the second end portion and a fourth end portion provided on an opposite side to the third end portion and thermally connected to the second heat generating part. The second heat pipe has a width dimension larger than that of the first heat pipe. | 2010-12-23 |
20100321889 | POWER CONVERSION DEVICE - In a power conversion device including: a converter which steps up or down a voltage of a direct current power supply; and an inverter which converts the direct current voltage obtained by the converter into an alternating voltage to drive an electric motor, a plurality of magnetic parts are arranged above a switching element assembly unit with a water-cooled type second heat sink interposed between the switching element assembly unit and the plurality of magnetic parts, the switching element assembly unit configured by mounting all the switching element modules on upper and lower surfaces of a water-cooled type first heat sink. Accordingly, it is possible to provide a power conversion device capable of housing many switching element modules in a compact space and cooling them effectively, while preventing the influence of a noise due to the magnetic parts from acting on the switching element modules as much as possible. | 2010-12-23 |
20100321890 | Avionics Chassis - An avionics chassis comprises a housing having opposing walls, a pair of spaced card rails with one rail mounted to each of the opposing walls where each rail has a channel to define an effective slot having a predetermined height extending between the rails. The avionics chassis also includes a circuit card assembly comprising a printed circuit board and a thermal plane in overlying relationship with the printed circuit board, with the printed circuit board defining a first primary plane, and the thermal plane defining a second primary plane. The spatial relationship between the printed circuit board and the thermal plane is such that the first and second primary planes are located within the slot when the circuit card assembly is mounted to the card rail assembly and the thermal plane is conductively coupled to at least one of the rails to form a first conductive path from the thermal plane to at least one of the opposing walls and the printed circuit board is conductively coupled to at least one of the rails to form a second conductive path from the printed circuit board to at least one of the opposing walls. | 2010-12-23 |
20100321891 | Avionics Chassis - An avionics chassis comprises a carbon fiber reinforced housing, a card rail for holding an electronic circuit board mounted to an interior surface of the housing, at least one heat-dissipating fin composed of carbon fiber and extending from the outer surface of the housing, a plurality of isotropic carbon fibers extending from an interior of the fin through the housing and in abutting contact with the card rail. The plurality of isotropic fibers form a direct conductive path from the card rail to the heat-dissipating fin. | 2010-12-23 |
20100321892 | Avionics Chassis - An avionics chassis comprises a housing having a substantially thermally non-conductive frame comprising a composite of carbon fibers laid up in an epoxy matrix. The housing also includes at least two walls, at least one of which is a thermally conductive wall comprising a composite of carbon fibers in a carbonized matrix, and a plurality of spaced, thermally-conductive, card rails provided on the at least two walls. The at least two walls are mounted to the frame in opposing relationship such that corresponding card rails on the walls define an effective slot therebetween in which a printed circuit board may be received and the card rails and the at least one thermally conductive wall form a thermally conductive path from the interior to the exterior. | 2010-12-23 |
20100321893 | Heat Dissipation Packaging for Electrical Components - The emphasis for transporting heat energy to ambient in an efficient manner is critical for many semiconductor components to maintain highest performance. A heat dissipation system with low thermal resistance for the packaging of high power electrical components, and the methods for assembling a low thermal resistance system, is proposed. Unique in this method is the emphasis on moving heat with a primary thermal conductor away from the source and creating large area interface zones to improve heat transfer. | 2010-12-23 |
20100321894 | HEATSINK MOUNTING SYSTEM - A heatsink mounting system ( | 2010-12-23 |
20100321895 | MEMORY MODULES INCLUDING COMPLIANT MULTILAYERED THERMALLY-CONDUCTIVE INTERFACE ASSEMBLIES - According to various aspects of the present disclosure, exemplary embodiments are disclosed of thermally-conductive interface assemblies suitable for use in dissipating heat from one or more components of a memory module. The thermally-conductive interface assembly may generally include a flexible heat-spreading material having first and second sides and one or more perforations extending through the flexible heat-spreading material from the first side to the second side. The flexible heat-spreading material may be sandwiched between first and second layers of soft thermal interface material. A portion of the soft thermal interface material may be disposed within the one or more perforations. The thermally-conductive interface assembly may be positioned relative to one or more components of a memory module to provide a thermally-conductive heat path from the one or more components to the first layer of soft thermal interface material. | 2010-12-23 |
20100321896 | ELECTRICAL POWER COMPONENT ATTACHED TO CHASSIS OF AN ELECTRICAL POWER APPARATUS - There is provided an electrical power component attached to a chassis of an electrical power apparatus, including a semiconductor element constituting an electronic circuit, and cooling unit having a planar shape which cools the semiconductor element and serves as a reinforcing material for increasing strength of the chassis. | 2010-12-23 |
20100321897 | COMPLIANT MULTILAYERED THERMALLY-CONDUCTIVE INTERFACE ASSEMBLIES - According to various aspects of the present disclosure, exemplary embodiments are disclosed of thermally-conductive interface assemblies. In exemplary embodiments, thermal interface material is disposed on or along one side of a flexible thermally-conductive sheet. In other embodiments, a flexible thermally-conductive sheet is bonded to, encapsulated within, or sandwiched between first and second layers of a thermal interface material. The flexible thermally-conductive sheet may be a flexible perforated graphite sheet. The thermal interface material may be thermally-conductive polymer. The perforations in the graphite sheet may enable a polymer-to-polymer bond to form that may help mechanically bond the first and second layers to the graphite sheet and/or may help provide heat conduction between the first and second layers. | 2010-12-23 |
20100321898 | Electronic device with improved heat dissipation properties. - An electronic device with improved heat dissipation properties comprises metallic housing. A base circuit board may be positioned within the housing in a plane parallel to the backside. Multiple connectors for coupling cassettes to the base circuit board may be positioned about the periphery of the base circuit board such that multiple cassettes may be positioned adjacent to each side of the housing. Each cassette includes a printed circuit board with a plurality of heat generating components coupled to the printed circuit board and having a thickness extending towards the side of the housing. The cassette includes a metallic housing with a heat dissipation structure contacting: i) the side of the housing; and ii) each heat generating component. Each of at least two heat generating components have different thicknesses and the heat dissipation structure had different thicknesses between the side of the housing and each heat generating component. | 2010-12-23 |