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| 20080212642 | Fluid temperature control device - A fluid temperature control device, which includes: a main body block having a passage channel formed in a surface thereof; a thermal conducting plate that is provided on the surface of the main body block, and covers the passage channel to form a passage for passing a fluid to be temperature controlled; and temperature control means that carries out heat exchanging (heating/cooling), by way of the thermal conducting plate, with the fluid passing through the passage, in which the passage abutting on the thermal conducting plate connects a fluid inlet and a fluid outlet formed in the main body block, and is a single passage having an approximately constant passage cross-sectional area over its entire length. | 09-04-2008 |
| 20080282803 | STATOR CORE LOOSENING DIAGNOSIS DEVICE AND STATOR CORE LOOSENING DIAGNOSIS METHOD - A diagnosis device for diagnosing loosening of a stator core of a rotary electrical machine. The diagnosis device has: excitation means for vibrating the stator core in the radial direction; vibration detection means for detecting the vibration of the stator core in the radial direction; means for frequency-analyzing an output signal of the vibration detection means that detects vibration generated in the stator core when the stator core is vibrated by the excitation means so as to extract a measurement natural vibration mode of the stator core in a circular ring natural vibration mode; means for estimating a circular ring natural vibration mode of the stator core from shape data of the stator core; and means for determining a clamping state of the stator core by comparing the measurement natural vibration mode and a determination criterion obtained based on the estimated natural vibration mode. | 11-20-2008 |
| 20090261679 | ROTATING ELECTRICAL MACHINE - An object of the present invention is to provide an internal permanent magnet type rotating electrical machine capable of maintaining compactness and high output and reducing vibration and noise caused by electromagnetic force. The rotating electrical machine of the present invention has an annular stator and a rotor that is arranged inside the stator with an air gap interposed between the stator and the rotor. The stator has a stator iron core provided with a plurality of slots at circumferential intervals and a coil received in each of the slots. The rotor has a rotor iron core, a plurality of permanent magnets embedded in a plurality of magnetic pole forming positions that are set along an outer circumference of the rotor iron core, an iron core section that faces the air gap and is magnetized by the permanent magnets to form a magnetic pole on an air gap fronting face at each of the magnetic pole forming positions, and an axially extending recess formed at a circumferentially central part of the air gap fronting face of each of the iron core sections. | 10-22-2009 |
| 20100033051 | ROTOR AND PERMANENT-MAGNET ROTATING ELECTRICAL MACHINE - A permanent-magnet rotating electrical machine includes a stator with an armature coil and a rotor arranged to rotate with a predetermined air gap with respect to the stator. The rotor includes a rotor core. Permanent magnets are arranged inside the rotor core on an outer circumferential side, or at the surface of the rotor core. The permanent magnets each are divided into a plurality of segments in an axial direction along a dividing face. The dividing face and an end face of the permanent magnet facing a circumferential direction form acute angles to define narrowed areas to suppress generation of eddy currents in the permanent magnets, prevent deterioration of the permanent magnets, and improve efficiency of the permanent-magnet rotating electrical machine. | 02-11-2010 |
| 20100084942 | ROTATING ELECTRIC MACHINE - A rotating electric machine is provided, where a generator has an increased capacity and a reduced size achieved by electromagnetically effectively utilizing that parts of a rotor core which are outside the narrowest parts of magnetic poles of the rotor core to permit large field current and suppress an increase in temperature of rotor coils. The rotating electric machine includes a stator constructed by winding armature coils around a stator core ( | 04-08-2010 |
| 20100301697 | ROTOR FOR ROTATING ELECTRICAL MACHINE - A rotor for a rotating electrical machine suppresses demagnetization of permanent magnets without deteriorating motor characteristics, is low-cost, and is highly reliable. The rotor has a plurality of rotor cores ( | 12-02-2010 |
| 20110066294 | APPARATUS AND METHOD FOR CONTROLLING TEMPERATURE OF SEMICONDUCTOR WAFERS - A manufacturing time of a semiconductor device is shortened by raising and dropping a base temperature of a semiconductor wafer such as silicon wafer to a target temperature at a high speed, a semiconductor device is manufactured with high qualities by making an in-plane temperature distribution of the semiconductor wafer a desired temperature distribution with high accuracy (by uniformizing an in-plane temperature and varying the in-plane temperature distribution for each region), and furthermore, an apparatus with excellent energy efficiency can be simply configured. When the temperature of the semiconductor wafer is controlled to be the target temperature by raising the temperature of the semiconductor wafer, control means performs switching so as to supply a high-temperature circulating liquid at a temperature higher than the target temperature in a high-temperature tank to a channel in a stage, and controls the thermoelectric element in plural zones so that the temperature of the semiconductor wafer coincides with the target temperature and the in-plane temperature distribution of the semiconductor wafer becomes the desired temperature distribution. | 03-17-2011 |
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| 20090003863 | DEVELOPING APPARATUS AND IMAGE FORMING APPARATUS - A developing apparatus in which a toner has a volume-average particle diameter R that is in a range of 4.0 μm≦R≦6.2 μm, a developing roller has an arithmetic mean roughness Ra (μm) that is not more than 0.10 times the volume-average particle diameter R of the toner, a voltage applied to a supply roller is of negative polarity, that is, a normal charging polarity of the toner, triboelectrification polarity of the supply roller with respect to the toner is negative, that is, of the normal charging polarity of the toner, and an abutment width S in which the developing roller and the supply roller abut each other is in a range of 2.5 mm≦S≦5.5 mm. | 01-01-2009 |
| 20090003892 | IMAGE FORMING APPARATUS - An image forming apparatus is provided, which controls an appropriate developer amount for a desired image so that an image defect such as an unclear font or a white area is prevented, resulting in a stable image formation for a long term. A developer regulating member has a resistance value varying depending on a voltage to be applied. A control device changes over the voltage to be applied to the developer regulating member during the image formation according to image information and changes a potential difference between the developer carrying member and the developer regulating member. | 01-01-2009 |
| 20100061749 | IMAGE FORMING APPARATUS AND IMAGE FORMING SYSTEM - An image forming apparatus includes a developer bearing member configured to bear a developer to develop a latent image, a developer regulating member configured to regulate an amount of the developer carried on the bearing member, a voltage application unit that can apply a plurality of direct current voltages of different values between the bearing member and the regulating member, and a current detection unit that can detect a plurality of direct currents of different values flowing in the regulating member when the voltage application unit applies the plurality of direct current voltages, wherein the image forming apparatus sets a direct current voltage value Vb applied by the voltage application unit when developing the latent image, so that the following expression is satisfied: |Vb|>|Vbmin|, where Vbmin indicates a direct current voltage value when the direct current detected by the current detection unit is a minimum value. | 03-11-2010 |
| 20100226682 | DEVELOPER CONTAINER, DEVELOPING DEVICE, AND PROCESS CARTRIDGE - A developer container, which contains a developer to be supplied to a developing chamber in an electrophotographic image forming apparatus, the developer container including: a partition wall partitioning the container from the chamber; a conveying member conveying the developer to an opening in the partition wall to supply the developer to the chamber; a sealing member attached to a wall surface of the partition wall to cover the opening; an extending portion extending from the sealing member to an outside of the container, wherein, when the extending portion is pulled, the sealing member is separated into a remaining portion and a removal portion, and a free end of the remaining portion is positioned below an upper edge of the opening; and a spacing holding member disposed between the wall surface of the partition wall and the sealing member to hold a spacing between the wall surface and the sealing member. | 09-09-2010 |
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| 20080251099 | METHOD FOR REMOVING SMEAR AND MAGNETIC RECORDING/REPRODUCING APPARATUS WITH FUNCTION OF REMOVING SMEAR - Provided is a smear-removing method that can remove smear of a manufactured thin-film magnetic head. The method is performed to a thin-film magnetic head including an MR effect element for reading data having two electrode layers sandwiching an MR effect multilayer as a magneto-sensitive portion therebetween. The method comprises the step of applying a stress voltage less than a breaking voltage of the MR effect element between the two electrode layers to burn off smear. In the method, it is preferable that the stress voltage is applied while an electric resistance or an output voltage of the MR effect element is measured, and the stress voltage is increased until the value of the electric resistance or the output voltage reaches an upper limit specified value specified from a value of an electric resistance or an output voltage in a normal case where smear is not present. | 10-16-2008 |
| 20080265395 | Semiconductor device and method of fabricating the semiconductor device - A semiconductor device includes: a package substrate that includes a recessed portion, with electrode pads that are electrically connected to electrodes of the semiconductor chip being formed inside the recessed portion; a semiconductor chip that is housed in the recessed portion; terminal-use wires that are formed on the surface of the package substrate and are electrically connected to the electrode pads; external connection pads that are formed on a back surface of the package substrate and are electrically connected to the electrode pads; a sealing resin portion that includes a grinded surface that is parallel to the surface of the package substrate, and seals at least the semiconductor chip by a sealing resin; rewiring pads that are formed on the grinded surface; and connecting wires that are formed on the grinded surface and electrically interconnect the terminal-use wires and the rewiring pads. | 10-30-2008 |
| 20090038143 | Method of manufacturing magneto-resistive device, magnetic head, head suspension assembly and magnetic disk apparatus - A method is provided for manufacturing a magneto-resistive device. The magneto-resistive device is for reducing the deterioration in the characteristics of the device due to annealing. The magneto-resistive device has a magneto-resistive layer formed on one surface side of a base, and an insulating layer formed of two layers and deposited around the magneto-resistive layer. The layer of the insulating layer closest to the base is made of a metal or semiconductor oxide. This layer extends over end faces of a plurality of layers made of different materials from one another, which make up the magneto-resistive device, and is in contact with the end faces of the plurality of layers with the same materials. | 02-12-2009 |
| 20090309205 | Semiconductor chip package and multichip package - The present invention provides a multichip package wherein a plurality of semiconductor chip packages ( | 12-17-2009 |
