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37results about How to "High precision connection" patented technology

Semiconductor device and its method for manufacturing it

A semiconductor device in which a semiconductor chip (3) is mounted on a substrate (2), comprising a substrate having electrodes (7, 8) for substrate-to-substrate connection disposed on both sides of the substrate and connected via a through hole (9), a semiconductor chip having an electrode connected to a wiring pattern arranged on the substrate and having a flat-cut face opposite to the face where the electrode is provided, a bump (4) for substrate-to-substrate connection provided on the electrode for substrate-to-substrate connection and having a flat-cut face opposite to the face facing the substrate, a sealing resin body (5) provided on the substrate, used for sealing the semiconductor chip and the bump for substrate-to-substrate, and having a flat-cut face opposite to the face facing the substrate, wherein the flat-cut face (3a) of the semiconductor chip, the flat-cut face (4a) of the bump for substrate-to-substrate, and the flat-cut face (5a) or the sealing resin body are flush with one another, and the semiconductor chip and the bump for disk recording medium except for the flat-cut faces are scaled in the sealing body.
Owner:SONY CORP

Monolithic Mirror Array

The present invention is an improved solar concentrator array utilizing a monolithic array of primary mirrors fabricated from a single sheet of formable material. The material may include glass, plastic, and metal of a high thermal stability to be able to withstand a broad range of temperature conditions. The monolithic array of this invention may include integral alignment or attachment features for attachment to a supporting structure.
Owner:SOLFOCUS

Image display device

A liquid crystal display device having a liquid crystal panel LCP and a touch panel TP provided on the front surface of the liquid crystal panel is characterized in that wires connected to the liquid crystal panel and wires connected to the touch panel are included in one flexible printed circuit FPC, which is first connected (FOG1) to the liquid crystal panel (specifically, a TFT substrate (TFTS)) and then connected (FOG2) to the touch panel.
Owner:JAPAN DISPLAY INC +1

Flip-chip mounting body and flip-chip mounting method

A flip chip mounting body in which a circuit substrate having a plurality of connection terminals and an electronic part (semiconductor chip) having a plurality of electrode terminals are aligned face to face with each other, with a resin composition composed of solder powder, a resin and a convection additive being sandwiched in between, while a means such as spacers is interposed in between so as to provide a uniform gap between the two parts, or the electronic part (semiconductor chip) is placed inside a plate-shaped member having two or more protruding portions, so that the solder powder is allowed to move through boiling of the convection additive and to be self-aggregated to form a solder layer, thereby electrically connecting the connection terminals and the electrode terminals; and a mounting method for such a mounting body.
Owner:PANASONIC CORP

Power generating device and electronic component

A power generating device includes: a piezoelectric member that is formed from a piezoelectric material; one pair of electrodes that are installed to the piezoelectric member; a transformation unit that repeatedly transforms the piezoelectric member; an inductor that is installed between the one pair of electrodes and configures a resonance circuit together with a capacitive component of the piezoelectric member; a switch that is connected to the inductor in series; and a switch control unit that connects the switch when a transformation direction of the piezoelectric member is switched, and cuts off the switch when a time corresponding to a half period of a resonance period of the resonance circuit elapses.
Owner:SEIKO EPSON CORP

Substrate, optical fiber connection end member, optical element housing member, and method of fabrication of an optical module and the substrate

The present invention provides a substrate, an optical fiber connecting end member, an optical element-housing member, a light module, and a manufacturing method of the substrate. The substrate has a feature that can be stably realizable and having a simple structure and that a light waveguide formed on the substrate surface or an optical element formed thereon can be connected without core alignment to an optical element provided on the optical fiber of the optical fiber connector to be connected to the optical fiber connecting end member. The substrate of the present invention is characterized in steps 5 for positioning being formed on at least one side of the substrate 1 that provides the optical waveguide 4.
Owner:NEC CORP

Wheel bearing device

The present invention provides a wheel bearing device that can suppress backlash in the circumferential direction and has excellent workability in connecting a hub wheel and a outer joint component of a constant velocity universal joint. The wheel bearing device according to the present invention is that in which a stem shaft 12 of an outer joint component of a constant velocity universal joint 3 fitted into a hole section 22 of a hub wheel 1 is integrated with the hub wheel 1 by a projection and recess mating structure M. In the projection and recess mating structure M, an overall recess mating area 38 of a projection 35 is in close contact with a corresponding recess 36.
Owner:NTN CORP

Seal cover for in-vehicle electric device

A seal cover includes a cover main body (10) shaped to cover an opening of a case and to be attached to a surface of the case. A seal ring holder (20A) is on the underside of the cover main body (10) and is arranged to fit into the opening. A seal ring (25) is on the outer peripheral surface of the seal ring holder (20A) and closely contacts the inner peripheral surface of the opening. An interlock connector (40) projects from the seal ring holder (20A) for connecting to the waiting connector and sets an energizing circuit in an energized state or a non-energized state upon being connected to or separated from the waiting connector. The interlock connector (40) is mounted on the seal ring holder (20A) to be movable in a direction perpendicular to a connecting direction to the waiting connector.
Owner:SUMITOMO WIRING SYST LTD

Charge and discharge device, charge and discharge control method, and program

A charge and discharge device (10) includes: a battery unit (110) in which m (m is an integer of 3 or more) battery cells (112) that are connected in series are grouped into plural groups (114) including n (n is an integer equal to or larger than 2 and smaller than m) battery cells (112) that are continuously arranged and a part of the battery cells (112) that belong to a certain group is shared by a different group; a cell balance unit (120) that is provided for each group (114) and uniformizes voltages of the battery cells (112) that belong to the group (114); and a control unit (130) that stops the operation of the cell balance unit (120), when a voltage difference of the battery cells (112) that belong to an arbitrary one of the groups (114) is within a predetermined value, and when a total average voltage in all the battery cells (112) and a partial average voltage which is an average voltage of the battery cells (112) that belong to the arbitrary group (114) satisfy a specific condition, the cell balance unit (120) corresponding to the arbitrary group (114).
Owner:NEC CORP

Authentication method, and program and apparatus therefor

Section images of a human body part are continuously input by relative movement with respect to a read unit in an image input step, a living body section image including a character shape from an input section image group in a character area section step, and, when living body section images which include character shapes which are chronologically continuous are selected, the living body section images are connected to each other to generate a connected living body image in an image connection step. In the collation step, the connected living body image including the character shapes and living body section images which include character shapes which are not connected to each other are collated with a corresponding portion in reference information of a human body part which is registered in advance to authenticate an identical person.
Owner:FUJITSU LTD

Active matrix substrate, liquid crystal panel, display, television receiver

An active matrix substrate includes: storage capacitor wirings (18); a Cs trunk wiring (50) connected with the storage capacitor wirings via contact holes (48) provided in a non-display region (44); scanning signal lines (16) provided in the same layer as the storage capacitor wirings (18) and crossing the Cs trunk wiring (50) in the non-display region (44); an insulating layer between the storage capacitor wirings (18) and the Cs trunk wiring (50) which includes: a through-bore portion for forming the contact hole (48); a first film thickness portion (53) adjacent to the through-bore portion; and a second film thickness portion which is thicker than the first film thickness portion (53) and situated at least in the intersections of the storage capacitor wirings (18) with the Cs trunk wiring (50). Consequently, the storage capacitor wirings (18) and the Cs trunk wiring (50) are connected with high precision, and a short circuit between the Cs trunk wiring (50) and the scanning signal lines (16) is unlikely to occur.
Owner:SHARP KK

Optical connection sleeve, optical module and optical communication module

A resin sleeve is used as an optical connection sleeve 1 for optically connecting an optical fiber 41 with an optical component. A ferrule fixing surface 21 provided on an inner peripheral surface of a ferrule insertion portion 2 of the sleeve 1 is formed to have a multifaceted shape in which a cross section thereof on a plane vertical to an optical axis A thereof has a hexagonal shape. A ferrule 40 can be positioned and fixed accurately by a tight fit utilizing elastic deformation of resin. An outer peripheral surface of the ferrule 40 and the ferrule fixing surface 21 come into line contact with each other, and thus detachability of the ferrule 40 is enhanced. Therefore, an optical fiber ferrule can be held accurately, and the optical connection sleeve having a satisfactory detachability, an optical module using the same and an optical communication module are realized.
Owner:SUMITOMO ELECTRIC IND LTD

Bearing device for wheel

InactiveCN101641225ADoes not generate abnormal noiseHigh strengthRolling contact bearingsAxle unitsKnuckleEngineering
A bearing device for a wheel, in which circumferential play is suppressed, which facilitates connection between a hub ring and an outer coupling member, in which a reduction in NVH characteristics due to play at a joint between the hub ring and the constant velocity universal joint and by play between a bearing outer member and a knuckle is prevented, and which performs highly accurate transmission of rotational torque. The bearing device has a groove-ridge fitting structure (M) by which the hub ring (1) and a shaft section (12) of the outer coupling member of the constant velocity universal joint (3) are integrated together, and the shaft section (12) is fitted in a hole (22) of the hub ring (1). In the groove-ridge fitting structure (M), ridges (35) on the outer diameter surface of the shaft section (12) and grooves (36) in the inner diameter surface (37) of the hub ring (1) are fitted to each other in a fitting contact portion (38), and the ridges (35) and the grooves (36) are in intimate contact with each other in the entire fitting contact portion (38).
Owner:NTN CORP

Bearing device for wheel

Provided is a bearing device for a wheel that can realize prevention of a backlash in a circumferential direction and is excellent in workability of connection of a hub wheel and an outer joint member of a constant velocity universal joint. Further, provided is a bearing device for a wheel that can prevent deterioration in NVH characteristics, which is caused by the backlash occurring in a joint section between the hub wheel and the constant velocity universal joint or between an outer member and a knuckle, and can perform rotation torque transmission with high accuracy. The bearing device includes a recess-projection fitting structure (M) in which the hub wheel (1) and a shaft section (12), which is fitted in a hole (22) of the hub wheel (1) of the outer joint member of the constant velocity universal joint (3) are unitized together. In the recess-projection fitting structure (M), entire fitting regions among projections (35) on the outer surface of the shaft section (12) of the outer joint member and recesses (36), which fit on the projections, are brought into intimate contact with each other.
Owner:NTN CORP

Rotor mounting device and rotor mounting method

InactiveCN101689792APrevent complex constructionAvoid complicated installation workManufacturing stator/rotor bodiesMechanical energy handlingEngineeringCrankshaft
A rotor mounting device for inserting the rotor of a motor into a rotor housing which is mounted to an engine and coaxially mounting the rotor to a crankshaft. The rotor mounting device is provided with a rotor supporting member, a rotor positioning member engaging with some of the bolt insertion holes formed in the rotor to position the rotor, a temporarily fixing bolt for temporarily fixing therotor to the rotor supporting member, a driving shaft having a front end engaged with an end of the crankshaft and axially movably supporting the rotor supporting member through a screw mechanism, a base member for rotatably supporting the base end side of the driving shaft and allowing the rotor supporting member to approach and separate from the base member, a base positioning member engaging with the rotor housing, and a fastening mechanism engaging with the head of a connecting bolt inserted through at least one of the bolt insertion holes and supported by the rotor supporting member so asto urge the connecting bolt to the rotor side.
Owner:HONDA MOTOR CO LTD

Electron beam lithography apparatus

An apparatus includes a beam deflection portion for deflecting the electron beam to change an irradiation position of the electron beam; a synchronization signal generation portion for generating a synchronization signal which is in synchronization with the rotation of the substrate; a controller for controlling the beam deflection portion on the basis of the synchronization signal in order to deflect the electron beam in a rotational radial direction of the substrate and in a rotational tangential direction of the substrate opposite to a rotational direction of the substrate, while drawing transition is performed from one circle to another circle; and a beam cutoff portion for cutting off the irradiation of the electron beam on the substrate, for a period during the electron beam is deflected in the rotational radial direction.
Owner:NUFLARE TECH INC

Linear conveyor device

A linear conveyor device is installed on a platform having an upper surface which serves as a predetermined installation surface. The linear conveyor device includes a linear motor stator; a slider which includes a linear motor mover; a straight-line conveyance part formed by linearly connecting a plurality of modules to each other, the modules each including a base frame that has an upper surface having guide rails for guiding the movement of the slider and a lower surface facing the platform; and a base member disposed between the upper surface of the platform and the lower surfaces of the modules at a connecting portion between the modules, and configured to position and support the pair of modules to be connected to each other.
Owner:YAMAHA MOTOR CO LTD

Metal component coupling structure and device

Disclosed is a metal component coupling structure and metal component coupling device capable of high strength and high precision coupling. An axial part (17) of a second metal component (12) is fitted in an annular part (14) of a first metal component (11), a restraint ring (33) is arranged on the outer circumference of the annular part (14) of the first metal component (11), and, by plastically deforming by applying force to the annular part (14), said annular part (14) is made to enter into a coupling groove (16) of the axial part (17), coupling the first metal component (11) and the second metal component (12) by mechanical interlocking.
Owner:KEIHIN SEIMITSU IND

Bearing device for wheel

A bearing device for a wheel, in which circumferential play is suppressed and which has excellent workability of connection between a hub ring and an outer joint member of a constant velocity universal joint. In the bearing device for a wheel, a stem shaft (12), which is fitted in a hole (22) of the hub ring (1), of the outer joint member of the constant velocity universal joint (3) is integrated with a hub ring (1) via a depression / projection fitting structure (M). In the depression / projection fitting structure (M), the entire part of a portion (38) of a projection (35), which portion is to be fitted to a depression, is in intimate contact with a corresponding depression section (36).
Owner:NTN CORP

Charge and discharge device, charge and discharge control method, and program

A charge and discharge device (10) includes: a battery unit (110) in which m (m is an integer of 3 or more) battery cells (112) that are connected in series are grouped into plural groups (114) including n (n is an integer equal to or larger than 2 and smaller than m) battery cells (112) that are continuously arranged and a part of the battery cells (112) that belong to a certain group is shared by a different group; a cell balance unit (120) that is provided for each group (114) and uniformizes voltages of the battery cells (112) that belong to the group (114); and a control unit (130) that stops the operation of the cell balance unit (120), when a voltage difference of the battery cells (112) that belong to an arbitrary one of the groups (114) is within a predetermined value, and when a total average voltage in all the battery cells (112) and a partial average voltage which is an average voltage of the battery cells (112) that belong to the arbitrary group (114) satisfy a specific condition, the cell balance unit (120) corresponding to the arbitrary group (114).
Owner:NEC CORP

Microlens array and optical transmission component

A microlens array, which maintains high positional accuracy with respect to an optical circuit such as a waveguide and facilitates connection operation, and an optical transmission component including the microlens array.SolutionThe microlens array is provided with a plurality of microlenses arranged in an array structure and having the same length in the optical axis direction and optical fibers for alignment arranged at both ends of the array structure so that the optical axis is parallel to the optical axis of the microlens and having a length in the optical axis direction the same as the length of the microlens and a guided mode diameter smaller than an aperture of the microlens.
Owner:NTT ELECTORNICS CORP +1

Contact spot and transmission error comprehensive test bench for transmission assembly

PendingCN110398360AImprove test efficiencyWith low-speed stable operation performanceMachine part testingTest efficiencyTest bench
The present invention provides a contact spot and transmission error comprehensive test bench for a transmission assembly. The test bench integrates the functions of the contact spot test and the transmission error test, the requirement for making two test benches is avoided, and the test efficiency is improved; and at the same time, the contact spot test is conducted before conducting the transmission error test to avoid that the measured value of the transmission error is untrue or inaccurate due to poor contact conditions. The test bench comprises a bench body, an angular misalignment adjusting component, a driving component and a loading component; the driving component is connected with an input shaft of a transmission test piece, and the loading component is connected with an outputshaft of the transmission test piece; and the angular misalignment adjusting component has a gear meshing misalignment quantity simulation function, so that measurement on the transmission error of asingle pair of gears in the presence of misalignment conditions can be realized.
Owner:中机生产力促进中心有限公司

Linear conveyor device

A linear conveyor device is installed on a platform having an upper surface which serves as a predetermined installation surface. The linear conveyor device includes a linear motor stator; a slider which includes a linear motor mover; a straight-line conveyance part formed by linearly connecting a plurality of modules to each other, the modules each including a base frame that has an upper surface having guide rails for guiding the movement of the slider and a lower surface facing the platform; and a base member disposed between the upper surface of the platform and the lower surfaces of the modules at a connecting portion between the modules, and configured to position and support the pair of modules to be connected to each other.
Owner:YAMAHA MOTOR CO LTD
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