917results about How to "Prevent thermal deformation" patented technology

An engine unit includes an engine body, and a supercharging machine having a main body. The main body of the supercharging machine is coupled to the engine body via a component or a member disposed therebetween.

The present invention provides a method of manufacturing a nitride semiconductor capable of improving the crystallinity and the surface state of the nitride semiconductor crystal formed on top of a high-temperature AlN buffer layer. An AlN buffer layer is formed on top of a growth substrate, and then nitride semiconductor crystals are grown on top of the AlN buffer layer. In a stage of manufacturing the nitride semiconductor, the crystal of the AlN buffer layer is grown at a high temperature of 900° C. or higher. In addition, an Al-source material of the AlN buffer layer is started to be supplied first to a reaction chamber and continues to be supplied without interruption, and then a N-source material is supplied intermittently.

An object of the invention is to provide a coated article having a protective member which is improved in light transparency, heat resistance, and weather resistance, and easy to manufacture, as typified by a solar battery module which experience no deterioration of performance during long-term outdoor installation; and to provide a coated article capable of protecting a functional film or device from water vapor and gases for dramatically improve the life of the functional film or device. These objects are achieved by a coated article having as a protective member a silica coating which is obtained by applying a polysilazane-containing coating solution on at least one surface of a resinous substrate having light transparency and heat resistance under atmospheric pressure, followed by steam oxidation and heat treatment.

A magnetic coupling pump according to the present invention has a housing including a pump chamber a motor chamber. The rotor includes a plurality of impellers projected from top face of a substantially disc-shaped main body of the rotor to be located in the pump chamber, and a substantially cylindrical magnet section projected from back face of the main body to be located in the motor chamber. The rotor is located in engine coolant, and is driven by a stator located inward of the magnet section in the motor chamber for sucking coolant from an inlet port and exhausting it from an outlet port. The pump is provided along an inner circumference of the stator with a cavity communicating with passages of fluid along an inner circumference of the magnet section and the back face of the main body of the magnet section. The cavity admits the coolant. The pump according to the present invention is able to prevent heat-up in the inner circumferential part of the stator.

An exposure apparatus in which by filling at least a portion between a projection optical system and a substrate with a liquid and by projecting an image of a pattern onto the substrate via said projection optical system and said liquid, said substrate is exposed, said exposure apparatus includes: a substrate holding member that holds said substrate and keeps liquid so that said substrate is immersed in the liquid; and a liquid supply mechanism that supplies, at a vicinity of the projection area of said projection optical system, liquid onto said substrate from above said substrate.

Discussed are a backlight unit and an LCD device including the same, which prevent the thermal deformation and movement of a light guide plate and realize uniform luminance. The backlight unit includes a supporting case supporting a supporting side wall having a receiving space, a light guide plate placed in the receiving space of the supporting case, a light source member irradiating light on a light incident surface prepared in a side surface of the light guide plate, an optical sheet member disposed on the light guide plate, and a plurality of holder members disposed at certain intervals between the supporting side wall and some side surfaces of the light guide plate except the light incident surface. The holder members are deformed in shape by thermal deformation of the light guide plate.

To provide devices relating to a manufacturing method for a semiconductor device using a laser crystallization method, which is capable of reducing a cost involved in a design change, preventing a grain boundary from developing in a channel formation region of a TFT, and preventing a remarkable reduction in mobility of the TFT, a decrease in an ON current, and an increase in an OFF current due to the grain boundary and to a semiconductor device formed by using the manufacturing method. In a semiconductor device according to the present invention, among a plurality of TFTs formed on a base film, some TFTs are electrically connected to form logic elements. The plurality of logic elements are used to form a circuit. The base film has a plurality of projective portions having a rectangular or stripe shape. Island-like semiconductor films included in each of the plurality of TFTs are formed between the plurality of projective portions and also, are crystallized by a laser light scanned in a longitudinal direction of the projective portions.

A less-deformable resin-sealed electronic apparatus of high reliability capable of increasing the robustness (long life-time) of soldered portions of a power semiconductor device for use in internal combustion engines while increasing the physical stiffness of an overall apparatus structure for achieving enhanced resistance to flexure or bending stresses is provided. A hybrid IC substrate 2 and power semiconductor device 3 are mounted on a metallic heat sink 1. The power semiconductor device 3 is coupled and contacted with the heat sink 1 by use of an Sn-Sb alloy-based solder material 4. The power semiconductor device 3 and hybrid IC substrate 2 plus heat sink 1 as well as input / output terminals 6-1 to 6-3 are embedded in a package 7 except for part of the input / output terminals, which package is made of epoxy at 70 to 90 weight percent (%) of an inorganic loading or filler material as machined by transfer mold techniques.

The invention provides a method for laser-melting and fast forming of a choosing area of a medical implant moulage, which refers to measuring an organ of a patient to obtain the original data for a medical implant; three-dimensional CAD software is adopted to transform the original data into a three-dimensional CAD model for secondary processing and then for slicing processing so as to obtain a multi-layer-slice two-dimensional CAD data model of the medical implant; scanning path planning is carried out to the two-dimensional CAD data model of each slice to obtain scanning path data which is guided into a host computer of a choosing area laser-melting and fast forming device, and a layer-to-layer fast scanning method is adopted to carry out the choosing area laser-melting and fast forming to paraffin powder so as to prepare and obtain the medical implant moulage; the medical implant moulage is taken out to clear redundant paraffin power on the surface. The slicing processing of the invention does not relate to STL format data; the formed moulage has dense tissue, thus no more processing is needed after infiltration of the paraffin, small scale forming equipment can be realized, equipment producing cost can be reduced and forming time is shortened.

Components for, and assembly of, a thermally assisted recording device involve a laser mounted to a recording head slider. The output from the laser is directed into an optical waveguide, which delivers the laser light to the media to be written. Several challenges with thermally assisted recording are enabled by the use of a laser carrier, which holds and protects the small, relatively fragile laser and serves as a partial heat sink for the power generated by the laser. The laser, carrier and slider are bonded and can be interconnected as a unit to a suspension constituent to a hard disk drive (HDD) device.

The invention discloses a manufacturing method of a lamp-cover-supporting LED tubular lamp with a self-clamping heat transmission substrate, and belongs to the technical field of supporting or hanging or connecting of lighting devices. The manufacturing method of the LED tubular lamp includes the steps that S1, the heat transmission substrate is inserted into strip-shaped clamping grooves from side ports of the strip-shaped clamping grooves; S2, after the heat transmission substrate is installed in the strip-shaped clamping grooves, a lamp cover covers a radiator; S3, the lamp cover exerts two acting forces on two T-shaped hooks, and the heat transmission substrate is installed in the strip-shaped clamping grooves in a clamped mode; S4, the radiator, the heat transmission substrate and the lamp cover form a lamp tube of the LED tubular lamp, and two end covers are installed at the two ends of the lamp tube of the LED tubular lamp. According to the lamp-cover-supporting LED tubular lamp with the self-clamping heat transmission substrate, the heat transmission substrate can be arranged in the strip-shaped clamping grooves in the clamped mode because the strip-shaped clamping grooves are formed in an installing part of the heat transmission substrate, heat dissipation efficiency can be improved, and the heat transmission substrate is prevented from thermal deformation.

The invention relates to a separated-type wave foil dynamic pressure gas thrust bearing capable of bearing certain axial load. The separated-type wave foil dynamic pressure gas thrust bearing comprises a bearing chassis, flat foil sheets, wave foil sheets and a gasket, wherein the circle of the bearing chassis is divided into a plurality of parts by clearances along the radius direction; the flat foil sheets and the wave foil sheets are inserted into the clearances; the gasket is inserted into a rectangular groove in the bearing chassis; a screw is screwed in a threaded hole at the rear part of the bearing chassis, and presses the gasket tightly so as to fix the foil sheets; the rigidity of the separated-type foil sheets can be changed along the radius direction and the circumference direction; the rigidity characteristic is beneficial to the adaptation of nonuniform pressure distribution for the bearing caused by velocity differences along the radius direction, so that the pressure can be homogenized, and the foil sheet deformation can be harmonized, and the bearing loading capability can be improved; slits among foil belts can ensure that the foil sheets prevent thermal deformation caused by nonuniform temperature distribution, and also can ensure that the bearing is adaptive to less axial deviation; the foil belts are connected integrally at free ends, and the damage on pressure air membrane surfaces caused by radial deviation of the foil sheets can be prevented.

The invention discloses an energy-saving type single-phase alternating current machine starting protector, and belongs to the technical field of refrigerating compressor. The energy-saving type single-phase alternating current machine starting protector comprises a shell, a single-phase alternating current machine starter, a single-phase alternating current machine protector and a shell cover; a positive temperature coefficient thermistor cavity and a single-phase alternating current machine protector cavity are formed in a shell cavity; the single-phase alternating current machine starter comprises a positive temperature coefficient thermistor, a first pin and a second pin; the single-phase alternating current machine protector is arranged in the single-phase alternating current machine protector cavity; the shell cover is matched with the shell. The energy-saving type single-phase alternating current machine starting protector is characterized in that a plug-in piece is extended from a reed of the first pin, and a plug-in-piece hole, a first pin hole, a second pin hole and a protector pin hole are formed in the shell; a pair of bottom-wall top embossments are formed in the cavity bottom wall of the positive temperature coefficient thermistor cavity, side-wall top embossments are formed in the side cavity walls and the rear cavity wall, the lower portion of the positive temperature coefficient thermistor is supported by the pair of bottom-wall top embossments, the front side of the positive temperature coefficient thermistor is contacted with the front cavity wall top embossments, and the rear side of the positive temperature coefficient thermistor is contacted with the rear cavity wall top embossments. The energy-saving type single-phase alternating current machine starting protector has the advantages that the energy-saving effect is good, the size is small, and the weight is light; the installation is convenient; a mold structure is simplified; electric short-circuit is prevented; the assembling efficiency is high.

A suspension is made of a suspension body of a stainless plate, a resin protective layer on one surface of the suspension body, a circuit pattern including read wiring and write wiring on the protective layer, and a metal layer provided on the other surface of the suspension body. In this arrangement, heat deformation of the suspension is alleviated when a write current is applied.

An energy storage apparatus includes: one or more energy storage devices; an outer covering arranged outside the one or more energy storage devices; a partition member arranged on a side of any one of the one or more energy storage devices; and a supporter which supports the partition member at a predetermined position. The supporter is formed of a heat resistant member.

An exposure apparatus in which by filling at least a portion between a projection optical system and a substrate with a liquid and by projecting an image of a pattern onto the substrate via said projection optical system and said liquid, said substrate is exposed, said exposure apparatus includes: a substrate holding member that holds said substrate and keeps liquid so that said substrate is immersed in the liquid; and a liquid supply mechanism that supplies, at a vicinity of the projection area of said projection optical system, liquid onto said substrate from above said substrate.

An internal combustion engine includes: a cylinder block in which a cylinder is formed; a cylinder head including an intake port and an exhaust port, the cylinder head being integrally formed with the cylinder block; a water jacket covering circumferences of the cylinder, the intake port, and the exhaust port; and a partition wall dividing the water jacket into a cylinder block side and a cylinder head side, the partition wall being inclined so that an exhaust port side is positioned nearer to a cylinder head side than an intake port side.

The present invention relates to a mounting structure for a direct injection fuel rail. Specifically, a mounting structure 120 for a direct injection fuel rail comprises a mount unit 124 and an injector cup 122 combined with a main pipe 110, wherein the injector cup 122 and the mount unit 124 are connected to and integrated with each other via a bridge 126, wherein the injector cup 122 is bonded to the main pipe 110, and wherein the mount unit 124 is separated from the main pipe 110. As such, concentration of stress due to displacement may be prevented, resistance against fatigue fracture may be increased, thermal deformation and additional concentration of stress may be prevented, manufacturability may be improved, and precise assembling positions may be easily ensured.

An EGR cooler including tubes and a shell enclosing the tubes. Cooling water is supplied into and discharged from the shell. Exhaust gas is guided from a diesel engine into the tubes for thermal exchange of the exhaust gas with the cooling water. A bypass flow path for guiding the cooling water is constituted within the shell so as to prevent stagnation of the cooling water in the shell.

A disk brake pad has a friction member that slidably contacts to a rotating disk to generate braking force, and a backing plate that supports a back of the friction member. The friction member has a contact surface that slidably contacts to the disk. The backing plate has a heat transfer member located within a projected area, which reduces or restrains thermal deformation of a disk.

A grinding wheel has a disc having a connection hole formed at a center thereof, to which a rotation axis of a grinder is connected, and a plurality of abrasive segments detachably connected to a surface of the disc. A plurality of fixing recesses are radially formed on the surface of the disc at an interval and fixing protrusions having a shape corresponding to the fixing recess are formed on bottom surfaces of the abrasive segments, so that the abrasive segments are connected to the disc by inserting the fixing protrusions into the fixing recesses. According to the grinding wheel, when the abrasive segment is worn away or inferior as it is used for a long time, it has only to replace the corresponding abrasive segment only. Accordingly, an economical efficiency is high.

The invention relates to a production line for light guide plates. Plastic films of the light guide plates run forwards through the transportation of a tension control system, and are subjected to processing procedures such as hot rolling with metal films, leveling-up, cooling, film coating, cutting and the like in turn in the running process to complete the forming of the light guide plates.

The present invention provides a method of manufacturing a nitride semiconductor capable of improving the crystallinity and the surface state of the nitride semiconductor crystal formed on top of a high-temperature AlN buffer layer. An AlN buffer layer is formed on top of a growth substrate, and then nitride semiconductor crystals are grown on top of the AlN buffer layer. In a stage of manufacturing the nitride semiconductor, the crystal of the AlN buffer layer is grown at a high temperature of 900° C. or higher. In addition, an Al-source material of the AlN buffer layer is started to be supplied first to a reaction chamber and continues to be supplied without interruption, and then a N-source material is supplied intermittently.

A scroll device including two coupled stages on a rotary shaft, at both ends of an intermediate electric power device, wherein the first stage is formed by a first pressure variation device of an operating fluid, comprising a scroll case containing a fixed scroll and a mobile scroll relatively to the case, and with admission and outlet ports, and wherein the second stage is a feed pump which pumps the operating liquid and provides it in return.

An LED lamp tube comprises a tube body, at least one circuit board inside the tube body, at lease one LED module on the circuit board, and electrical connectors at the ends of the tube, wherein the tube body is an integrally formed hollow tube, and has at least one group of supporting and positioning ribs on the inner wall thereof along the length direction; the circuit board is fixed by the supporting and positioning ribs; the LED lamp tube disclosed by the present invention has a firm assembly structure with less thermal deformation, and more particularly just like the conventional fluorescent tubes it has a wide light-emitting angle, thereby providing better illumination effects.

A prober includes: a wafer chuck having a conductive support surface; a movement rotation mechanism which moves and rotates the wafer chuck; a head stage which holds a probe holding portion; a stage member which has a conductive stage surface that is formed in parallel to the support surface and electrically connected with the support surface, and can move integrally with the wafer chuck; and a contactor which is fixed to a position facing the stage member and whose tip can electrically come into contact with the stage surface, wherein the stage member is separated from the wafer chuck as a separate body, and the stage surface and the support surface are electrically connected through a wiring member; and a back-surface electrode of a chip is electrically connected with a tester through the wafer chuck, a wiring, the stage member and the contactor.