Patent application number | Description | Published |
20110315961 | Ultrathin Spacer Formation for Carbon-Based FET - A method for formation of a carbon-based field effect transistor (FET) includes depositing a first dielectric layer on a carbon layer located on a substrate; forming a gate electrode on the first dielectric layer; etching an exposed portion of the first dielectric layer to expose a portion of the carbon layer; depositing a second dielectric layer over the gate electrode to form a spacer, wherein the second dielectric layer is deposited by atomic layer deposition (ALD), and wherein the second dielectric layer does not form on the exposed portion of the carbon layer; forming source and drain contacts on the carbon layer and forming a gate contact on the gate electrode to form the carbon-based FET. | 12-29-2011 |
20120032149 | Vertical Stacking of Carbon Nanotube Arrays for Current Enhancement and Control - Transistor devices having vertically stacked carbon nanotube channels and techniques for the fabrication thereof are provided. In one aspect, a transistor device is provided. The transistor device includes a substrate; a bottom gate embedded in the substrate with a top surface of the bottom gate being substantially coplanar with a surface of the substrate; a stack of device layers on the substrate over the bottom gate, wherein each of the device layers in the stack includes a first dielectric, a carbon nanotube channel on the first dielectric, a second dielectric on the carbon nanotube channel and a top gate on the second dielectric; and source and drain contacts that interconnect the carbon nanotube channels in parallel. A method of fabricating a transistor device is also provided. | 02-09-2012 |
20120146001 | ULTRATHIN SPACER FORMATION FOR CARBON-BASED FET - A carbon-based field effect transistor (FET) includes a substrate; a carbon layer located on the substrate, the carbon layer comprising a channel region, and source and drain regions located on either side of the channel region; a gate electrode located on the channel region in the carbon layer, the gate electrode comprising a first dielectric layer, a gate metal layer located on the first dielectric layer, and a nitride layer located on the gate metal layer; and a spacer comprising a second dielectric layer located adjacent to the gate electrode, wherein the spacer is not located on the carbon layer. | 06-14-2012 |
20120175594 | Graphene Devices with Local Dual Gates - An electronic device comprises an insulator, a local first gate embedded in the insulator with a top surface of the first gate being substantially coplanar with a surface of the insulator, a first dielectric layer formed over the first gate and insulator, and a channel. The channel comprises a bilayer graphene layer formed on the first dielectric layer. The first dielectric layer provides a substantially flat surface on which the channel is formed. A second dielectric layer formed over the bilayer graphene layer and a local second gate formed over the second dielectric layer. Each of the local first and second gates is capacitively coupled to the channel of the bilayer graphene layer. The local first and second gates form a first pair of gates to locally control a first portion of the bilayer graphene layer. | 07-12-2012 |
20120326126 | Graphene or Carbon Nanotube Devices with Localized Bottom Gates and Gate Dielectric - Transistor devices having nanoscale material-based channels (e.g., carbon nanotube or graphene channels) and techniques for the fabrication thereof are provided. In one aspect, a transistor device is provided. The transistor device includes a substrate; an insulator on the substrate; a local bottom gate embedded in the insulator, wherein a top surface of the gate is substantially coplanar with a surface of the insulator; a local gate dielectric on the bottom gate; a carbon-based nanostructure material over at least a portion of the local gate dielectric, wherein a portion of the carbon-based nanostructure material serves as a channel of the device; and conductive source and drain contacts to one or more portions of the carbon-based nanostructure material on opposing sides of the channel that serve as source and drain regions of the device. | 12-27-2012 |
20130001519 | GRAPHENE DEVICES WITH LOCAL DUAL GATES - An electronic device comprises an insulator, a local first gate embedded in the insulator with a top surface of the first gate being substantially coplanar with a surface of the insulator, a first dielectric layer formed over the first gate and insulator, and a channel. The channel comprises a bilayer graphene layer formed on the first dielectric layer. The first dielectric layer provides a substantially flat surface on which the channel is formed. A second dielectric layer formed over the bilayer graphene layer and a local second gate formed over the second dielectric layer. Each of the local first and second gates is capacitively coupled to the channel of the bilayer graphene layer. The local first and second gates form a first pair of gates to locally control a first portion of the bilayer graphene layer. | 01-03-2013 |
20130015428 | Vertical Stacking of Carbon Nanotube Arrays for Current Enhancement and Control - Transistor devices having vertically stacked carbon nanotube channels and techniques for the fabrication thereof are provided. In one aspect, a transistor device is provided. The transistor device includes a substrate; a bottom gate embedded in the substrate with a top surface of the bottom gate being substantially coplanar with a surface of the substrate; a stack of device layers on the substrate over the bottom gate, wherein each of the device layers in the stack includes a first dielectric, a carbon nanotube channel on the first dielectric, a second dielectric on the carbon nanotube channel and a top gate on the second dielectric; and source and drain contacts that interconnect the carbon nanotube channels in parallel. A method of fabricating a transistor device is also provided. | 01-17-2013 |
20150194536 | GRAPHENE DEVICES WITH LOCAL DUAL GATES - An electronic device comprises an insulator, a local first gate embedded in the insulator with a top surface of the first gate being substantially coplanar with a surface of the insulator, a first dielectric layer formed over the first gate and insulator, and a channel. The channel comprises a bilayer graphene layer formed on the first dielectric layer. The first dielectric layer provides a substantially flat surface on which the channel is formed. A second dielectric layer formed over the bilayer graphene layer and a local second gate formed over the second dielectric layer. Each of the local first and second gates is capacitively coupled to the channel of the bilayer graphene layer. The local first and second gates form a first pair of gates to locally control a first portion of the bilayer graphene layer. | 07-09-2015 |
20150325672 | GRAPHENE DEVICES WITH LOCAL DUAL GATES - An electronic device comprises an insulator, a local first gate embedded in the insulator with a top surface of the first gate being substantially coplanar with a surface of the insulator, a first dielectric layer formed over the first gate and insulator, and a channel. The channel comprises a bilayer graphene layer formed on the first dielectric layer. The first dielectric layer provides a substantially flat surface on which the channel is formed. A second dielectric layer formed over the bilayer graphene layer and a local second gate formed over the second dielectric layer. Each of the local first and second gates is capacitively coupled to the channel of the bilayer graphene layer. The local first and second gates form a first pair of gates to locally control a first portion of the bilayer graphene layer. | 11-12-2015 |
Patent application number | Description | Published |
20140295693 | ELECTRICAL CONNECTOR - An electrical connector includes an insulative housing, a plurality of terminals retained in the insulative housing. The insulative housing has a receiving room and a mating part received in the receiving room, the mating part defines a mating hole and a pair of receiving grooves extending rearward on two lateral sides of the mating hole. The terminals include a detecting terminal received in the mating hole and a pair of power terminals received in the receiving grooves. The mating part further defines a pair of guiding surfaces on two sides of the mating hole and a pair of stiffening ribs on two sides of the receiving groove, which can reduce the mating force during the mating process and protect the mating part. | 10-02-2014 |
20150087184 | ELECTRICAL CONNECTOR - An electrical connector includes an insulating housing and a plurality of contacts retained on a mating portion of the housing. The mating portion has a mating port with a geometric centre. The contacts are divided into an upper array and a lower array. Each array includes several first contacts and at least one pair of second contacts located on two sides of the first contacts, the first contacts of the upper array are centrally symmetric to the first contacts of the lower array relative to the geometric centre of the mating port. The new type of contacts arrangement can improve the quality of the signal transmission. | 03-26-2015 |
20150087189 | ELECTRICAL CONNECTOR - An electrical connector includes an insulating housing, a shell retained on the insulating housing, a plurality of terminals retained on the mating portion of the insulating housing, and a spacer engaging with the insulating housing. The insulating housing includes a base portion and a mating portion protruding from the base portion, the base portion has a top wall, a bottom wall, a pair of sidewalls connecting with the top wall and bottom wall, a front wall connecting with the mating portion and a rear wall. The front wall of the base portion has a pair of slanted portions formed on two sides of the mating portion, the rear wall of the base portion has a plurality of barriers for retaining the terminals and a pair of flange portions on two sides of the barriers, each flange portion has a groove on an inner side surface to engage with the spacer. | 03-26-2015 |
Patent application number | Description | Published |
20090078568 | ON-DEMAND HYDROGEN GAS GENERATION DEVICE HAVING GAS MANAGEMENT SYSTEM - The present disclosure generally relates to an on-demand hydrogen gas generation device, suitable for use in a fuel cell, which utilizes water electrolysis, and more particularly galvanic cell corrosion, and/or a chemical hydride reaction, to produce hydrogen gas. The present disclosure additionally relates to such a device that comprises a switching mechanism that has an electrical current passing therethrough and that repeatedly and reversibly moves between a first position and a second position when exposed to pressure differential resulting from hydrogen gas generation, in order to (1) alter the rate at which hydrogen gas is generated, such that hydrogen gas is generated on an as-needed basis for a fuel cell connected thereto, and/or (2) ensure a substantially constant flow of hydrogen gas is released therefrom. The present disclosure additionally or alternatively relates to such an on-demand hydrogen gas generation device that comprises a gas management system designed to maximize the release or evolution of hydrogen gas, and in particular dry hydrogen gas, therefrom once it has been formed, thus maximizing hydrogen gas output. The present disclosure is still further directed to a fuel cell comprising such an on-demand hydrogen gas generation device, and in particular a fuel cell designed for small-scale applications. | 03-26-2009 |
20090081497 | ON-DEMAND HIGH ENERGY DENSITY HYDROGEN GAS GENERATION DEVICE - The present disclosure generally relates to an on-demand hydrogen gas generation device, suitable for use in a fuel cell, which utilizes water electrolysis, and more particularly galvanic cell corrosion, and/or a chemical hydride reaction, to produce hydrogen gas. The present disclosure additionally relates to such a device that comprises a switching mechanism that has an electrical current passing therethrough and that repeatedly and reversibly moves between a first position and a second position when exposed to pressure differential resulting from hydrogen gas generation, in order to (1) alter the rate at which hydrogen gas is generated, such that hydrogen gas is generated on an as-needed basis for a fuel cell connected thereto, and/or (2) ensure a substantially constant flow of hydrogen gas is released therefrom. The present disclosure additionally or alternatively relates to such an on-demand hydrogen gas generation device that comprises a gas management system designed to maximize the release or evolution of hydrogen gas, and in particular dry hydrogen gas, therefrom once it has been formed, thus maximizing hydrogen gas output. The present disclosure is still further directed to a fuel cell comprising such an on-demand hydrogen gas generation device, and in particular a fuel cell designed for small-scale applications. | 03-26-2009 |
20090081501 | ON-DEMAND HYDROGEN GAS GENERATION DEVICE - The present disclosure generally relates to an on-demand hydrogen gas generation device, suitable for use in a fuel cell, which utilizes water electrolysis, and more particularly galvanic cell corrosion, and/or a chemical hydride reaction, to produce hydrogen gas. The present disclosure additionally relates to such a device that comprises a switching mechanism that has an electrical current passing therethrough and that repeatedly and reversibly moves between a first position and a second position when exposed to pressure differential resulting from hydrogen gas generation, in order to (1) alter the rate at which hydrogen gas is generated, such that hydrogen gas is generated on an as-needed basis for a fuel cell connected thereto, and/or (2) ensure a substantially constant flow of hydrogen gas is released therefrom. The present disclosure additionally or alternatively relates to such an on-demand hydrogen gas generation device that comprises a gas management system designed to maximize the release or evolution of hydrogen gas, and in particular dry hydrogen gas, therefrom once it has been formed, thus maximizing hydrogen gas output. The present disclosure is still further directed to a fuel cell comprising such an on-demand hydrogen gas generation device, and in particular a fuel cell designed for small-scale applications. | 03-26-2009 |
Patent application number | Description | Published |
20090318815 | SYSTEMS AND METHODS FOR HYPERSPECTRAL MEDICAL IMAGING - Under one aspect, an apparatus for analyzing the skin of a subject includes a hyperspectral sensor for obtaining a hyperspectral image of the subject. The apparatus further includes a control computer that is in electronic communication with the hyperspectral sensor and which controls at least one operating parameter of the hyperspectral sensor. The control computer includes a processor unit and a computer readable memory. The memory includes executable instructions for controlling the at least one operating parameter of the hyperspectral sensor. The memory includes executable instructions for applying a wavelength dependent spectral calibration standard constructed for the hyperspectral sensor to a hyperspectral image collected by the hyperspectral sensor. The apparatus further includes a light source that illuminates the skin of the subject for the hyperspectral sensor. | 12-24-2009 |
20090326383 | SYSTEMS AND METHODS FOR HYPERSPECTRAL IMAGING - An apparatus for analyzing a subject including a hyperspectral image module is provided. It is used to identify a suspect region of a subject by using a hyperspectral sensor (for obtaining a hyperspectral image of the subject), a control computer including a processor unit (PU) and a computer readable memory (CRM) (for controlling and is in electronic communication with the sensor), a control software module including instructions stored in the CRM and executed by the PU (for controlling said at least one operating parameter of the sensor), a spectral calibrator module including instructions stored in the CRM and executed by the PU (for applying a wavelength dependent spectral calibration standard constructed for the sensor to a hyperspectral image), and a light source for illuminating the subject. An optional contact probe module is used to collect a signal of the suspect region for medical diagnosis. | 12-31-2009 |
20100069758 | SYSTEMS AND METHODS FOR HYPERSPECTRAL MEDICAL IMAGING USING REAL-TIME PROJECTION OF SPECTRAL INFORMATION - Under one aspect, a method of displaying medical information about a subject having a plurality of regions includes: resolving light obtained from each region of the plurality of regions into a corresponding spectrum; selecting a portion of each spectrum, the selected portion including medical information about the corresponding region; constructing an image based on the selected portion of each spectrum; and projecting the image onto the subject. Under another aspect, a method of displaying medical information about a subject that has a plurality of regions includes: resolving light obtained from each region of the plurality of regions into a corresponding spectrum; selecting a portion of each spectrum, the selected portion including medical information about the corresponding region; constructing a spectral image based on the selected portion of each spectrum; displaying an image of the plurality of regions; and displaying the spectral image overlying the image of the plurality of regions. | 03-18-2010 |
Patent application number | Description | Published |
20090104704 | APPARATUS AND METHOD FOR ANAYLIZING SAMPLES - A sample analyzer comprises a reaction tray, a sample/reagent tray, and a probe. The reaction tray performs a first number of stops and rotations during an operating cycle, wherein the first number is configured to cause each of the reaction vessels to stop once at a position for the test before any of the number of the reaction vessels stops at the position for a second time. The sample/reagent tray rotates one of a sample container and reagent containers to a sample/reagent retrieving position during an operating cycle. The probe dispenses test sample(s), first reagent, and second reagent during different periods in different stop periods during an operating cycle. A method for analyzing samples is also disclosed. | 04-23-2009 |
20090104710 | COLORIMETRIC ABSORBANCE MEASUREMENT METHOD, APPARATUS AND SYSTEM - Various embodiments disclose a colorimetric absorbance measurement method and a system for performing the same. The method comprises driving a reaction tray carrying a plurality of reaction cuvettes to rotate at a speed; transferring or rotating filters on a filter wheel to a light path of a light beam, starting from a filter of a first wavelength; and sampling photoelectric data when the light beam has passed through each reaction cuvette in some embodiments. The method ensures consistency in the measurement and synchronization between the calibration and the sample test and reliability of the measurements. Various embodiments simplify data processing and reduce the complexity of the system. | 04-23-2009 |
20110256629 | FULLY AUTOMATIC BIOCHEMICAL ANALYZER AND ANALYZING METHOD THEREOF - A fully automatic biochemical analyzer and an analyzing method thereof are provided, in which the fully automatic biochemical analyzer includes two concentric reagent trays and two driving systems. The two driving systems respectively drive the two reagent trays to rotate, so the two reagent trays are capable of independent rotation, thereby avoiding various drawbacks resulting from required simultaneous rotation and stopping of the two reagent trays. The two reagent trays are concentrically disposed. Under a particular limitation of the table size, more reagent positions can be disposed, thereby increasing the number of items that can be analyzed at the same time by the analyzer. | 10-20-2011 |
20150037211 | AUTOMATIC ANALYZERS AND REAGENT WHEELS THEREOF - This disclosure provides automatic analyzers and reagent wheels thereof. The reagent wheel can have one or more rings of reagent bottle seats that may be used for placing a reagent container and distributed along a circumferential direction. An included angle may be formed between a symmetrical centerline of the reagent container placed on the reagent bottle seat and a radius of a circle where the reagent wheel is located, where the included angle is not equal to zero. Compared with the situation in which the symmetrical centerline of the reagent container overlaps with the radius of the circle where the reagent wheel is located, an improved balance can be achieved between the capacity and the diametric size of the reagent wheel, thus making an improvement in meeting application requirements of the analyzers. | 02-05-2015 |
20150037212 | AUTOMATIC BIOCHEMICAL ANALYZER - An automatic biochemical analyzer, comprises a reaction wheel comprising an inner ring and an outer ring, wherein the reaction wheel is equally divided into multiple cuvette positions along a circumferential direction; the inner ring and the outer ring, respectively, each have a photoelectric detection position, a sample injecting position, a reagent injecting position, a sample stirring position, a reagent stirring position, and a cuvette cleaning position; the photoelectric detection position of the inner ring and the photoelectric detection position of the outer ring have a cuvette position interval of N along a counterclockwise or clockwise direction; and the sample injecting positions, the reagent injecting positions, the sample stirring positions, and the reagent stirring positions of the inner ring and the outer ring, respectively, have a cuvette position interval of M along the same direction, M and N being natural numbers, and the difference between M and N being 0 or 1. | 02-05-2015 |
20150095506 | Path computation element communication protocol session establishment method and device - Disclosed are a path computation element communication protocol (PCEP) session establishment method and device. The technical solution comprises: at a PCC or PCE node device side, before needing to establish a PCEP session, allocating a TCP connection communication end attribute to a PCC or a PCE at either end in the manner of static configuration/dynamic designation or election mechanism automatic allocation; or detecting whether to establish a TCP connection relationship, if not, actively connecting the opposite end, and if a plurality of TCP connection relationships has been established, simultaneously cutting off a plurality of connections at both ends, and reinitiating a TCP connection after waiting a random time respectively. The present invention achieves the establishment of a PCEP session in the multi-PCE cooperation computation scenario under the condition of meeting two constraint conditions which are specified by a protocol. | 04-02-2015 |
20150247875 | APPARATUS AND METHOD FOR ANALYZING SAMPLES - A sample analyzer comprises a reaction tray, a sample/reagent tray, and a probe. The reaction tray performs a first number of stops and rotations during an operating cycle, wherein the first number is configured to cause each of the reaction vessels to stop once at a position for the test before any of the number of the reaction vessels stops at the position for a second time. The sample/reagent tray rotates one of a sample container and reagent containers to a sample/reagent retrieving position during an operating cycle. The probe dispenses test sample(s), first reagent, and second reagent during different periods in different stop periods during an operating cycle. A method for analyzing samples is also disclosed. | 09-03-2015 |
Patent application number | Description | Published |
20140199842 | CHEMICAL MECHANICAL POLISHING PROCESS AND SLURRY CONTAINING SILICON NANOPARTICLES - In one aspect, a substrate chemical mechanical polishing (CMP) method for substrates is disclosed. The CMP method includes providing a substrate having a surface of silicon and copper such as through silicon via regions containing copper, and polishing the surface with a slurry containing very small silicon nanoparticles (e.g., having an average diameter less than 8 nanometers). CMP systems and slurries for CMP are provided, as are numerous other aspects. | 07-17-2014 |
20140308814 | CHEMICAL MECHANICAL POLISHING METHODS AND SYSTEMS INCLUDING PRE-TREATMENT PHASE AND PRE-TREATMENT COMPOSITIONS - In one aspect, a substrate chemical mechanical polishing (CMP) method for copper-layered substrates is disclosed. The CMP method includes providing a substrate having a surface of copper, and pre-treating the surface containing copper with a first composition containing a carrier liquid, a corrosion inhibitor, and an oxidizer in a pre-treatment phase, and thereafter, polishing the surface with a slurry composition in a main polishing phase. CMP systems and compositions for CMP are provided, as are numerous other aspects. | 10-16-2014 |
20140315381 | INTERCONNECT FABRICATION AT AN INTEGRATED SEMICONDUCTOR PROCESSING STATION - A stand-alone processing station of a semiconductor manufacturing system may be configured to fabricate interconnects on a semiconductor wafer. The stand-alone processing station may include a chemical mechanical polishing (CMP) module and an electro-chemical deposition (ECD) module. The CMP module may be configured to receive a semiconductor wafer from another processing station and selectively remove a first top layer from the received semiconductor wafer. The ECD module may be configured to receive a semiconductor wafer from the CMP module and fill interconnect features with metal. The CMP module may also be configured to receive a semiconductor wafer from the ECD module and selectively remove excess metal and a second top layer from the semiconductor wafer. Methods of forming an interconnect on a semiconductor wafer are also provided, as are other aspects. | 10-23-2014 |
Patent application number | Description | Published |
20100109730 | PWM CONTROL CIRCUIT HAVING ADJUSTABLE MINIMUM DUTY CYCLE - A pulse width modulated (PWM) controller includes a triangle wave generation circuit generating a triangle wave signal to oscillate between an upper limit voltage and a lower limit voltage. The upper limit voltage and the lower limit voltage are adjustable in response to changes in the power supply voltage. A pulse generation circuit is coupled to the triangle wave generation circuit and a minimum duty cycle setting voltage, and is configured to generate a PWM pulse signal with a minimum duty cycle determined by the relative magnitude of the triangle wave signal and the minimum duty cycle reference voltage. In an embodiment, the minimum duty cycle is increased when the power supply voltage is lower than a predetermined reference voltage. | 05-06-2010 |
20100164581 | PULSED WIDTH MODULATED CONTROL METHOD AND APPARATUS - A pulse width modulated (PWM) controller has an input terminal for receiving a pulsed input signal having a first duty cycle, a power supply terminal for receiving a power supply voltage. a minimum duty cycle reference voltage signal, and a control circuit for providing a pulse-width-modulated (PWM) output signal having a second duty cycle related to the first duty cycle of the pulsed input signal. The PWM output control signal having a minimum duty cycle that is adjustable in response to a change in the power supply voltage. In an embodiment, the second duty cycle and the first duty cycle are correlated in a substantially linear relationship. In an embodiment, the PWM control circuit also has a triangle wave generation circuit for generating a triangle wave signal configured to oscillate between an upper limit voltage and a lower limit voltage, which are adjustable in response to a change in the power supply voltage. | 07-01-2010 |
20110299247 | System and Method for Regulating Motor Rotation Speed - The present invention relates to a system and method controlling motor rotation speed and provides a cooling system and method configured to control a temperature associated with an integrated circuit. The cooling system includes a brushless motor, a temperature monitoring input, a clock input, and a motor controller. The motor controller is configured to control the rotational speed of the motor using at least a speed control method by comparing the environmental temperature signal to a predetermined threshold: if the environmental temperature signal is less than the predetermined threshold T | 12-08-2011 |
20120149354 | VEHICLE INFORMATION SYSTEM - A vehicle information system includes: a vehicle-mounted device, a network processing device and a service center which is adapted for providing service for the vehicle-mounted device. A service configuration channel is configured between the network processing device and the service center and is adapted for transmitting configuration data which are adapted for configuring service that is provided for the vehicle-mounted device. The service configuration channel is established on basis of connection to internet. A service channel system is configured between the vehicle-mounted device and the service center. A complete solution for providing information service may be provided by the vehicle information system, thereby improving the quality of user experience while using a vehicle. | 06-14-2012 |