73results about How to "Curb complication" patented technology

A semiconductor wafer on which elements have been formed is diced and a rear surface of the semiconductor wafer is ground by a dicing before grinding method to form discrete semiconductor chips. The discrete semiconductor chips are adhered to an adhesive film and then the surface of the adhesive film is removably affixed to a dicing tape. After this, any excess portions of the adhesive film disposed between the respective semiconductor chips are removed.

A method is provided to enhance the connection reliability in three-dimensional mounting while considering the warping of packages. Opening diameters of the openings provided corresponding to protruding electrodes, respectively, are set so as to gradually decrease from the central portion toward the outer peripheral portion of a carrier substrate, and the opening diameters of openings provided corresponding to the protruding electrodes, respectively, are set so as to gradually decrease from the central portion toward the outer peripheral portion of another carrier substrate.

The invention provides a detection method and a three-phase permanent magnet synchronous motor. With regard to the combinations of UV, UW and WU which are selected from three coils corresponding to the three phases, pulse currents are switched on along a direction and another direction, the magnitude of transition currents is detected when a certain time passes after the pulse currents are switched on, and the detected values are obtained. In addition, in dependence on the acquired magnitude relations among the detected values of a plurality of transition currents, and the circumferential initial position of a magnetic pole of a rotor relative to each coil of the three phases before rotation is detected. Thus, sensor members are not needed, the rotor is not driven to rotate, the complication of the circuit structure can be restrained, and at the same time the circumferential initial position of the magnetic pole of the rotor relative to each coil of the three phases before rotation is detected.

In a power supply device, there has been a problem that when a bus bar module to which batteries are connected varies in length, it becomes difficult to attach a cover member. The bus bar module (6) comprises: a plurality of bus bars for connecting adjacent batteries in a battery assembly body to each other, the battery assembly body being formed by stacking a plurality batteries; a main body portion (8) having the bus bars attached thereto and being stacked on the battery assembly body; a plurality of alignment projections (29) provided on the main body portion; and a plurality of locking portions (30). The cover member (1) is installed adjacent to the bus bar module along the stacked direction (X) of the batteries and comprises: a plurality of cover portions (10) for covering each of the bus bars; and an elastic deformation portion (14) for coupling the adjacent cover portions so as to be able to be mutually displaced. Each of the cover portions comprises: an alignment opening (11) into which each of the alignment projections is inserted; and a locking receiving portion (12) by which each of the locking portions is locked. The alignment opening is shaped so as to be able to be inserted even when the positions of the alignment projections move along the direction (X), thereby solving the above problem.

A first semiconductor element portion (SX) for switching a first current includes a first channel surface having a first plane orientation. A first region of a semiconductor layer includes a first trench having the first channel surface. A first gate insulating film covers the first channel surface with a first thickness. A second semiconductor element portion (SY) for switching a second current smaller than the first current includes a second channel surface having a second plane orientation different from the first plane orientation. A second region of the semiconductor layer includes a second trench having the second channel surface. A second gate insulating film covers the second channel surface with a second thickness larger than the first thickness.

An object of the present invention is to provide an optical modulator having a plurality of optical modulators, which can be configured with a simple structure, and can appropriately set the DC bias of each optical modulator during the normal operation of the optical modulator. A bias control method of a corrected optical modulator and an apparatus thereof. For an optical modulator (1) having a plurality of optical modulation sections, the bias control device (B) of the optical modulator for controlling the DC bias in the plurality of optical modulation sections includes: a DC bias applying mechanism (3) for applying a DC bias to the plurality of optical modulators; a low frequency signal (fB) superimposed on a modulation signal (b) applied to the plurality of optical modulators with a low frequency signal (fB) having a specific frequency A signal superimposition circuit (2); a photodetection mechanism (9) for detecting the light quantity change of the light wave passing through the wave superposition part; extracting the light quantity change corresponding to the low-frequency signal from the light detection mechanism, and simultaneously based on the extracted light quantity Change, a bias control mechanism (4) that controls the DC bias application mechanism.

A liquid crystal display includes a pair of substrates, a liquid crystal layer being held by the pair of substrates, a first electrode and a second electrode that drive the liquid crystal layer, and a driving element that controls the driving of the first electrode, the first electrode, the second electrode, and the driving element being disposed on one of the pair of substrates. The one of the pair of substrates includes a resin film, an overlying film disposed on the resin film, the first electrode being disposed on the top surface of the overlying film, an electrode insulating film covering the first electrode, the second electrode being disposed on the top surface of the electrode insulating film, a connection electrode disposed on the electrode insulating film and connecting the first electrode to the driving element, and a connection line disposed below the overlying film and connected to the second electrode. The connection electrode is connected to the first electrode through a first through hole passing through the electrode insulating film and is connected to the driving element through a second through hole passing through the overlying film and the electrode insulating film. The second electrode is connected to the connection line through a third through hole passing through the overlying film and the electrode insulating film.

The sheet-like rubber forming device has a die body which has an opening having a predetermined cross sectional shape, and a variable die lip which is arranged in a front side of the die body and can change the height of the opening. The variable die lip is constructed by a first movable body and a second movable body. The die lip control unit controls the variable die lip so as to drive the first movable body in an opening direction from a state in which the first movable body and the second movable body are closed when the forming is started, hold the positions of the first movable body and the second movable body after reaching a predetermined height, and drive the second movable body in a closing direction when the forming is finished.

In a cylinder (23) of a compression mechanism (20), an intake passage (40) passing through the cylinder (23) in the radial direction thereof is formed. There is provided in a sealed container (10) a coupling member (43) having a tip end face facing the periphery of the intake passage (40) in the outer face of the cylinder (23) and a base end to which an intake pipe (42) is mounted. The tip end face of the coupling member (43) serves as a flat sealed face. A concave groove (23a) is formed in a peripheral part around the intake passage (40) in the outer face of the cylinder (23) and an O ring (45) is fitted therein. The O ring (45) is pressed against the tip end face of the coupling member (43), sealing a gap between the cylinder (23) and the coupling member (43).

A quarter-wave plate and a polarization beam splitter are used as means for guiding a laser beam to first and second objective lenses. A half of the circularly-polarized laser beam incident to the polarization beam splitter is reflected in the form of an S-polarized light component by the polarization beam splitter and guided to a first objective lens, and the other half is transmitted through the polarization beam splitter in the form of a P-polarized light component and guided to a second objective lens. The whole of light quantity of the laser beam reflected from an optical disk through the first or second objective lens passes substantially through the polarization beam splitter. Therefore, the light quantity of the laser beam guided to a photodetector can be enhanced.

The invention provides a reeling device capable of improving the quality of batteries. A cathode sheet conveying mechanism for conveying electrode sheets (6) comprises a cutting mechanism (81) for cutting off the electrode sheets (6), a sheet feeding mechanism (82) for holding the electrode sheets (6) during the cutting process and delivering the electrode sheets (6) to a reeling mechanism (65) after the cutting process, and a detection sensor (91) for detecting a boundary part (D) between an active substance coated part (51) and an active material non-coated part (52) of the electrode sheets (6). When a certain distance L between the cutting mechanism (81) and the sheet feeding mechanism (82) is maintained, the cutting mechanism (81) and the sheet feeding mechanism (82) are integrally moved. Therefore, the predetermined position (M1) of the electrode sheets (6) is positioned as a holding position for the sheet feeding mechanism (82) and the predetermined position (M2) of the electrode sheets (6) is positioned as a cutting position for the cutting mechanism (81) with the boundary part (D) as a reference.

A self-traveling car washing machine advantageously enabling the automization of steering operation. The car washing machine comprises a steering means for changing the traveling direction of a frame (11) to which wheels (14) are fitted and on which a car washing brush (16) is rotatably supported and a resistance force detection means detecting a resistance force produced on the car washing brush (16) by the press-contact of the car washing brush on the outer peripheral surface (57) of a vehicle body to be washed. The car washing machine also comprises a self-traveling direction control means which, when a value detected by the resistance force detection means comes over a pre-set allowable range, travels the frame (11) in a direction apart from the outer peripheral surface (57) of the vehicle body and, when the detected value comes under the pre-set allowable range, travels the frame (11) in a direction close to the outer peripheral surface (57) of the vehicle body.

The sheet-like rubber forming device has a die body which has an opening having a predetermined cross sectional shape, and a variable die lip which is arranged in a front side of the die body and can change the height of the opening. The variable die lip is constructed by a first movable body and a second movable body. The die lip control unit controls the variable die lip so as to drive the first movable body in an opening direction from a state in which the first movable body and the second movable body are closed when the forming is started, hold the positions of the first movable body and the second movable body after reaching a predetermined height, and drive the second movable body in a closing direction when the forming is finished.

An optical module (1) is provided with: laser diodes (11) that are a plurality of light emitting elements disposed on a same plane; and a plurality of mirrors (13) that reflect beams outputted from respective laser diodes (11). The mirrors (13) reflect the beams in the direction tilted with respect to the plane on which the laser diodes (11) are disposed, said beams having been outputted from respective laser diodes (11), and align the beams with each other in the fast-axis direction.

An image forming apparatus includes a first power calculator for calculating a power consumption amount of a driving load unit and a post-processing device based on at least one of measured values of a voltage and a current, which are supplied to the driving load unit and the post-processing device; second and third power calculators for calculating power consumption amounts of a fixing heater driving unit and a controller based on an operating state and an operating time of the image forming apparatus; and a power summing-up unit for calculating a power consumption amount of the image forming apparatus by summing up the power consumption amount calculated by the first power calculator and the power consumption amount predicted by each of the second and third power calculators.

A method is provided to realize a three-dimensional mounting structure of different types of packages. By bonding protruding electrodes and to lands which are formed on a first carrier substrate, second and third carrier substrates are mounted on the first carrier substrate so that ends of the second and third carrier substrates are arranged above a semiconductor chip.

Four input nodes for inputting 4-phase signals, four resistors, four capacitors, and four output nodes for outputting 4-phase signals are provided. The resistors and the capacitors are connected alternately in a loop, and the input nodes and output nodes are connected alternately to the respective nodes between the resistors and the capacitors sequentially. Each of the four resistors is composed of a group of three or more partial resistors, and three groups of the partial resistors are collected respectively and arranged in the same attitude, while the partial resistors of the remaining group are distributed into the other groups and arranged in the same line the same attitude as the partial resistors of each of the other groups. The regions of the thus collected groups are arranged in one direction. By simplifying the layout of the components and the shape of the wirings, influences on the characteristics by the parasitic elements are reduced, and complication in the layout and wirings can be suppressed even when using plural stages.

The embodiment of the invention relates to a head unit, an electrospinning head and an electrospinning apparatus, and provides a head unit, an electrospinning head and an electrospinning apparatus which are capable of inhibiting a structure, controlling the complexity of the control system, the increasing of the manufacturing cost and reducing the production rate and properly forming the film of afiber with a large size in the width direction. According to the embodiment, the electrospinning head comprises a plurality of head units and a coupling structure, and the plurality of head units arecoupled to one another through the coupling structure. Each head unit includes a unit main body and a nozzle. Inside the unit main body, a hollow storing a raw material liquid is formed along a longitudinal axis. The nozzle is formed of a conductive material and provided on an outer circumferential surface of the unit main body. The nozzle ejects the raw material liquid supplied through the hollow of the unit main body. The coupling structure connects the plurality of head units in a state where the hollows of the unit main bodies communicate with one another.