baber/WOPTO huggingface dataset:
Patent JP-H02147157-A (JP)
Title: Production of metal base composite material
Inventor: TANAKA ATSUO
IPC: B22D19/00
Filed: 1988-11-28
Abstract: PURPOSE:To efficiently produce a composite material having a complicated shape and hollow part at a low cost by setting a mold into a vessel, arranging a formed body of reinforced material into cavity in the mold, pouring molten metal into the cavity and increasing the pressure in the vessel. CONSTITUTION:The vessel 10 is constituted of a main body 12 and a cover member 14, and by changing the volume in inner space 18 with a pressurizing device 20, the inner pressure is changed. In a part of the mold (sand mold) 28, mold cavity 30, a part of which communicates with the outside, is formed. The porous quality formed body 38 composed of the reinforced material is set in the cavity 30. The mold 28 is set in the vessel 10 and the molten metal 40 is poured into the cavity 30. The volume of the vessel is reduced with the pressurized device 20 to increase the inner pressure.
Patent JP-H11135484-A (JP)
Title: Substrate processor
Inventor: IKEGAWA MASATO
IPC: H01L21/302
Filed: 1997-10-31
Abstract: PROBLEM TO BE SOLVED: To change the radius of a shower with simple structure by installing a board for regulating the radius of a shower board supplying processing gas. SOLUTION: A substrate 4 is loaded on a second electrode 3 arranged by making it face a first electrode 2 connected to a chamber 1. Plasma 5 is formed between the first electrode 2 and the second electrode 3, and a processing room 6 processing the substrate 4 is formed. Multiple gas holes 7 are opened within the prescribed radius from the center of the first electrode 2 and they are connected to a gas supply means 8 so as to form what is called a shower head. A shower head control board 9 is installed on the opposite side of the processing room 6 of the first electrode 2. The hole 11 of the different radius is opened in the center of the shower head control board 9. The prescribed radius is set to be smaller than the different radius.  When the shower head control board 9 is incorporated, holes at an outer periphery in the gas holes 7 of the first, electrode are blocked and the radius of the shower head is controlled to be small.
Patent JP-H10138436-A (JP)
Title: Polycarbonate laminate sheet
Inventor: MIYAUCHI MASAHIRO
IPC: B32B27/18
Filed: 1996-11-12
Abstract: PROBLEM TO BE SOLVED: To provide a polycarbonate laminate sheet wherein there is no unstable phenomenon of interlaminar flow even when a thickness of a coating polycarbonate layer is thin, the laminate interface is smooth, the appearance is excellent, and weatherability is excellent. SOLUTION: In a polycarbonate laminate sheet, a coat layer formed of a polycarbonate composition having 2-20wt.% of ultraviolet absorber and having a thickness of 10-200μm is provided on one face or both faces of a substrate formed of a polycarbonate having 500-3,000 Pa.s of melting viscosity at a shear rate of 100cm<-1> at 280 deg.C. A difference in the melting viscosity between the polycarbonate of the substrate and the coat layer composition is 10-50 Pa.s.
Patent JP-H05275538-A (JP)
Title: Method of manufacturing semiconductor integrated circuit device
IPC: H01L21/768
Filed: 1991-11-15
Abstract: PURPOSE:To provide the flattered and multilayered semiconductor integrated circuit device capable of forming a resist in stably overhang shape as well as being easily manufactured by lifting-off step. CONSTITUTION:The title manufacturing method of semiconductor integrated circuit device is composed of the four steps enumerated as follows i.e., the first step of forming a polyimide base resin layer 24 (27) on a Si substrate 21, the second step of forming positive type photoresist 25 on the polyimide base resin layer 24 to be processed so that the solubility of the polyimide base resin 24 to the same solvent solving the region sensitized by the resin 24 and the positive type photoresist 25 using the developing pattern of the photoresist 25 as a mask may exceed the solubility of the photoresist 25, the third step of etching away the photoresist 25 in overhang shape to form the first layer conductor metal 26 on the whole surface and the fourth step of removing the positive type photoresist 25 to form the second layer conductor metal 29.
Patent JP-H05134194-A (JP)
Title: Light switch
Inventor: YAMAUCHI NORIYOSHI
IPC: G02B26/08
Filed: 1991-11-15
Abstract: PURPOSE:To achieve a low stroke, a low insertion loss, and a compact size, and increase a degree of freedom for a motion quantity by selecting linear advance or reflection of signal light by rotating reflection plates for predetermined angles separately for switching the signal light. CONSTITUTION:Two aperture parts are formed in a base plate 1, and reflection plates 3a, 3b are disposed at the two aperture parts respectively. Each reflection plate 3a, 3b has mirror surfaces for both the surface and the back, it is supported to be rotatable freely about a support rotation shaft 2, and the rotation shaft penetrates along the plate surface of the reflection plate 3a, 3b. By rotating the reflection plate 3a, 3b, therefore, the reflection plate 3a, 3b can be parallel to the base plate 1, setting an angle of the reflection plate 3a, 3b to the base plate 1 to be 0, the reflection plate 3a, 3b can be perpendicular to the base plate 1, setting the angle to be 90deg., or the angle can be set to be 45deg. or 135deg. Parallel signal lights can thus be switched like those of conventional light switches.
Patent JP-H02145492-A (JP)
Title: Production of light-weight cellular cement compact
Inventor: AKIYAMA HIROYUKI
IPC: C04B38/06
Filed: 1988-11-28
Abstract: PURPOSE:To prevent generation of black smoke or crack by molding cement paste containing polyolefinic and/or polyacrylic resin foam, curing and melting foamed particles by heating. CONSTITUTION:Hydraulic cement such as portland cement is blended with water and polyolefinic foamed particles (e.g., high-density polyethylene foamed particles) and/or polyacrylic foamed particles (e.g., polymethyl methacrylate foamed particles). In said case, foamed particles having <=0.1g/cm<3> bulk density are used. Next, said blend is molded, cured and heated below 250 deg.C, then foamed particles are melted and many pores are formed to afford a light-weight cellular cement compact.
Patent JP-H03159754-A (JP)
Title: Thermal printing head
Inventor: OTSUKI HISANORI
IPC: B41J2/345
Filed: 1989-11-17
Abstract: PURPOSE:To make recording information with a thermal recording head finer and high quality by a method wherein electrode fine wires prepared by covering surrounding of a conductor core material with an insulation layer are formed to a pair, and many pairs are arranged in lines so that end surfaces of respective pairs are opposed to each other with one groove like interval part between both sides. CONSTITUTION:Electrode fine wires 10, 20 are prepared by covering surrounding of a conductor core material 30 consisting of conductor metal with an insulation layer 40. Many electrode fine wires 10, 20 are arranged in parallel under a state wherein end surfaces are arranged properly. When a signal current is applied to the electrode fine wire 10 becoming a signal electrode in a pair of opposed electrode fine wires 10, 20, only a resistance heating element is heated. A width of the resistant heating element 50, and an interval or the like between adjacent electrode fine wires 10, 10 or 20, 20 with each other are regulated, and a heating unit i.e., a size and an interval of heating dots can be free installed.
Patent JP-H10137854-A (JP)
Title: Method and equipment for roll forming
Inventor: MARUYAMA TAKAO
IPC: B21D5/08
Filed: 1996-11-12
Abstract: PROBLEM TO BE SOLVED: To improve the rigidity and the dimensional accuracy of a bag part by forming the bag part, fixing a root part, and forming a folded part in the roll forming a long plate comprising a hollow bag part and a folded part. SOLUTION: A general roll forming device 25 erects a folded part 2b of a sash, a variable roll forming device 26 performs the final variable forming of a bag part 2a, and a seam spot welding machine 27 welds a root of the bag part 2a and W of the folded part 2b. A sensor 14 detects a reference hole, and an encoder 15 detects the carrying speed of a plate, and operates the elongation of the plate generated to the general roll forming device 25, and feeds it back to a cutting machine 30 in a rear stage. The cutting machine 30 cuts the plate to the prescribed length by the detection signal of the sensor 14. The rigidity of the bag part 2a is increased by forming the bag part 2a before the folded part 2b is formed, and welding and fixing the root of the bag part 2a, and the shape accuracy of the bag part 2a can be kept even when the folded part 2b is formed.
Patent JP-H05139569-A (JP)
Title: Method of detecting presence of image recording medium
Inventor: TASHIRO KOJI
IPC: G03C3/00
Filed: 1991-11-15
Abstract: PURPOSE:To easily and surely detect the presence of an image recording medium without the necessity of application of several processes to an abutting member. CONSTITUTION:After a material to be sucked is sucked and held by suckers 36a through 36c and moved once to a predetermined position, when the suction of a suction pump is stopped for a predetermined time, if the material to be sucked is a film F, the condition in which the material is sucked up by the suckers 36a through 36c may be held, but if the material is an abutting cardboard 54, it is easily separated from the suckers 36a through 36c. Accordingly, it is possible to easily and surely detect the presence of the film F in accordance a determination whether the material to be sucked is a film or the cardboard 54.
Patent JP-S63247146-A (JP)
Title: Bumper provided with device for securing and storing body covering sheet
Inventor: ARAI TAKAYUKI
IPC: B60R19/48
Filed: 1986-12-17
Abstract: PURPOSE:To make it possible to simply and surely store and set a body covering sheet by forming a top-opened storage room in a bumper for an automobile, and by storing the body cover in the storage room in a folded condition with its one side being secured. CONSTITUTION:A top-opened storage room 1 made of water-proof materials is formed in one of bumpers in front and rear of an automobile. Water vent holes 2 are formed in the bottom part of the storage room 1, and a lid 4 having a locking key 5 is closably attached to the top part of the room. A body covering sheet 6 for the automobile is folded and stored in the storage room 1 with the one side of the body covering sheet 6 being secured to fastening rings 3 attached to the inside of the storage room 1. When the covering sheet 6 is used, the lid 4 is opened so as to extract the covering sheet 6 from the storage room 6, and is spread over the vehicle body. With this arrangement it is possible to simply and surely set and store the body covering sheet 11.
Patent JP-H01144386-A (JP)
Title: Driving device of brushless motor
Inventor: NAKANO HIROMITSU
IPC: H02P6/18
Filed: 1987-11-27
Abstract: PURPOSE:To make a stable operation by detecting the phase difference between power waveform and back electromotive voltage to driving coils of a motor during the period of power suspension, inputting it to a voltage control oscillator and constituting a phase control loop. CONSTITUTION:A driving device of a brushless motor is constituted of driving transistors 10-15, a phase error detector 20, an error amplifier 30, a voltage control oscillator 40, a power change-over circuit 44, a dividing circuit 41 and a minimum frequency setting circuit 50. The output of the voltage control oscillator 40 is transferred to driving coils 1-3 of said motor through the dividing circuit 41, the power change-over circuit 44 and driving transistor 10-15. Accordingly, it is possible to control the phase difference between back electromotive voltage to driving coils and power waveform to driving coils by controlling oscillation frequency and phase of the voltage control oscillator 40. Therefore, a phase error 4 can be secured in its best power condition by a phase control loop by means of the phase error detector 20 and so on.
Patent JP-H05240123-A (JP)
Title: Fuel injection pump for internal combustion engine
Inventor: MANFUREETO KUREEMAA
IPC: F02M59/26
Filed: 1992-11-11
Abstract: PURPOSE: To provide a fuel injection pump for an internal combustion engine which is capable of effecting pre-injection and main injection suitably, and can be manufactured at inexpensive cost. CONSTITUTION: A pump piston enclosing a pump work chamber 5, reciprocates in a cylinder bush 2 inserted into a pump housing 1. The pump piston has a control recess on its jacket face that communicates with the pump work chamber through a conduit 39. The recess has an oblique groove 19 extending at a predetermined angle from the axis of the pump piston in the jacket face thereof and forming control edges 21, 22. An annular slide 13 is axially displaceable on the pump piston and includes two diametrically opposed control bores 41. To interrupt the high pressure pumping to provide a pre-injection and a main injection, pockets 25-27 are machined into the jacket face of the pump piston. These pockets cooperate with pockets 42 machined in the annular slide and with a control edge 45 formed by the lower edge of the annular slide.
Patent JP-H08161780-A (JP)
Title: Overwritable magneto-optical recording medium and its manufacture
Inventor: HOSOKAWA TETSUO
IPC: G11B11/10
Filed: 1994-12-05
Abstract: PURPOSE: To obtain an overwritable magneto-optical recording medium which reduces a magnetic field required for a recording operation and eliminates a drop in the C/N value of a reproduced signal by a method wherein an M-layer and a W-layer are formed of a laminated structure in which regions composed mainly of a rare-earth metal and regions composed mainly of a transition metal are repeated periodically. CONSTITUTION: Regarding an M-layer and a W-layer in a magneto-optical recording medium, a binary simultaneous sputtering method by means of a rare-earth-metal target 12 and a transition-metal target 13 is performed, and films are formed in such a way that regions composed mainly of a rare-earth metal and regions composed mainly of a transition metal are repeated periodically. At this time, the thickness of the regions composed mainly of the rare- earth metal for the M-layer is constituted to be a thickness of nearly one atom, and the thickness of the regions composed mainly of the transition metal is constituted to be larger or smaller than a thickness of nearly one atom. Thereby, even when a write magnetic field is low, a good overwrite recording operation can be performed without a drop in a C/N ratio.
Patent JP-2000131365-A (JP)
Title: Apparatus for screening mounting boards
Inventor: MORIMOTO MASASHI
IPC: G01R31/00
Filed: 1998-10-22
Abstract: PROBLEM TO BE SOLVED: To provide an apparatus for screening mounting boards, capable of inspecting different kinds of mounting boards by a single apparatus to check if the operation thereof is good. SOLUTION: A thermostatic tank 10 has a pallet chamber 20 housing pallets which are formed for adapting to the kind of mounting boards under test and have relay connectors and receiving connectors which are branched from the relay connectors and connected to the mounting boards set in the pallets. The relay connector is connected to a receiving relay connector 21 of the pallet chamber 20, a relay cable 90 led from this connector 21 to the outside of the tank 10 is connected to one input/output 60a of an input/output switch 60 and the other input/output 60b of the input/output switch 60 is connected through a cable 94 to an inspector 70.  The switch 60 has a switching circuit 60c for switching wirings between both input/outputs 60a, 60b so that input/output terminals of the connectors the mounting boards are electrically connected inspecting input/output terminals of corresponding inspector 70 thereto according to the kind of the mounting boards under test.
Patent JP-H05114191-A (JP)
Title: Multibeam optical head
Inventor: NISHIKAWA KOICHIRO
IPC: G11B7/135
Filed: 1991-10-22
Abstract: PURPOSE:To provide a compact optical system free from interference on a sensor by making the array direction of plural luminous fluxes and the luminous flux separating direction of a crystal prism, which has the birefringence property, approximately orthogonal to each other. CONSTITUTION:Reflected luminous fluxes 50, 60, and 70 are made incident on a crystal prism 11 having the birefringence property. The prism 11 consists of a prism 1a which has the crystal axis perpendicular to the array direction and the incidence direction of luminous fluxes 50, 60, and 70 and a prism 11b which has the crystal axis orthogonal to that of the prism 11a. The joint surface is parallel with the array direction of luminous fluxes 50, 60, and 70, and its normal is about 45 deg. to the luminous flux incidence direction. Each of luminous fluxes 50, 60, and 70 made incident on the prism 11 has polarization directions orthogonal to each other and is separated into two luminous fluxes in the direction perpendicular to the array direction of luminous fluxes 50, 60, and 70 and is condensed on an RF sensor 13 by a condenser lens 8. Thus, inference on the IR sensor is easily avoided, and the compact optical system is constituted.
Patent JP-H10143527-A (JP)
Title: Intranet system
Inventor: YAMAOKA TAKUMI
IPC: G06F13/00
Filed: 1996-11-13
Abstract: PROBLEM TO BE SOLVED: To provide an intranet system which can obtain work environment corresponding to the work content and the work performance of a user. SOLUTION: An object directional data base is given to a server-side. A server generates a user class having a user name, an access level to data and work environment fitted to the level of the user. A user-side logs in to the server through a communication route different from the HTTP(hyper text transfer protocol). The server retrieves a user object and sets access right for every user in accordance with an access level. The user-side retrieves the data base in accordance with work environment. The server defines a list storing a retrieval result in the user class, stores the object derived from it in the data base for every user and links the retrieval result to the retrieval result list.
Patent JP-2001120274-A (JP)
Title: Method for assaying endocrine disruptor
Inventor: KARUBE MASAO
IPC: C12N15/09
Filed: 1999-10-22
Abstract: PROBLEM TO BE SOLVED: To provide a method for selectively and sensitively assaying endocrine disruptors(EDC)s. SOLUTION: This is a method for assaying EDCs using mRNA of a gene whose expression is induced by the action of EDCs as an index. The nature that mRNA can be amplified allows sensitively assaying EDCs even at a low concentration which can not be determined by the conventional method. In addition, specific assay might be possible if a marker gene specific to a hormone-like activity is used.
Patent JP-H07159970-A (JP)
Title: Phase shift mask and exposure method
Inventor: OKAMOTO YOSHIHIKO
IPC: G03F1/68
Filed: 1993-12-01
Abstract: PURPOSE:To provide a phase shift mask and an exposure technology capable of obtaining a transfer pattern with high dimensional accuracy. CONSTITUTION:This phase shift mask is equipped with a first mask pattern and a second mask pattern. The first mask pattern consists of a first main aperture mask pattern, a first sub-aperture mask pattern which is formed on both sides of the first main aperture mask pattern and is separated from the pattern by a light-shading film 2 around the pattern, and a transparent film 8 formed on the first main aperture mask pattern as a phase shifter. The second mask pattern consists of a second main aperture mask pattern, a second sub- aperture mask pattern which is formed on both sides of the second main aperture mask pattern and is separated from the pattern by a light-shading film 2 around the pattern, and a transparent film 8 formed on the second sub- aperture mask pattern as a phase shifter. The light-shading film 2 on the outside of the first-sub-aperture mask pattern in the one side has a structure the same as that of the light-shading film 2 on the outside of the second sub-aperture mask pattern in the other side.
Patent JP-2000127576-A (JP)
Title: Residual quantity indicator for recording sheet
Inventor: KOYA AKEMASA
IPC: B41J29/42
Filed: 1998-10-23
Abstract: PROBLEM TO BE SOLVED: To indicate the residual quantity of recording sheet in a sheet feed cassette accurately. SOLUTION: A residual quantity detecting lever 62 is disposed on the bottom of a sheet feed cassette while abutting the forward end of detecting lever part 62b against recording sheets. An engaging claw 68 at an engaging lever part is engaged with an engaging hole 69 of a residual quantity indicating lever 63 comprising an engaging lever part 63a and an indicating lever part 63b. The residual quantity indicating lever 63 is fixed rotatably to the sheet feed cassette through a fixing shaft 35c. The indicating lever part 63b is bent at the forward end to constitute a labeling part 63c to which a residual quantity indicating label 71 is pasted. The sheet feed cassette is provided with a residual quantity indicating window 61 at a position facing the residual quantity indicating label 71.  When the quantity of recording sheet decreases through use, recording sheets in the lowermost layer is shifted to the sheet feed roller side by means of a push up plate. The displacement is detected by the residual quantity detecting lever 62 and magnified by means of the residual quantity indicating lever 63.
Patent JP-H07135275-A (JP)
Title: Heat radiating substrate, its manufacture, and plastic package using it
Inventor: ARIKAWA TADASHI
IPC: H01L23/12
Filed: 1993-11-09
Abstract: PURPOSE:To provide a heat radiating plate which can have a desired coefficient of thermal expansion, can be improved in heat conductivity and strength, and can be reduced in weight, the manufacturing method of the substrate, and a plastic package using the substrate. CONSTITUTION:A metallic composite material for a heat radiating substrate is composed of a base material having two surfaces, a front surface and rear surface, and a clad material which is tightly bonded to at least one surface of the base material. The base material contains aluminum and the clad material contains molybdenum. The ply material is a layer material provided at, at least, one surface of the base material. The composite material has a coefficient of thermal expansion of 9X10<-6>/ deg.C to 23X10<-6>/ deg.C as a whole. At the time of manufacturing the composite material, the base material containing at least aluminum and having two surfaces, front surface and rear surface, and the clad material composed of molybdenum are stuck to each other under a static pressure or under the combination of the static pressure and rolling at a room temperature or higher.
Patent JP-H06148799-A (JP)
Title: Supporting body for photographic printing paper
Inventor: YAMASHITA TOMIHIRO
IPC: G03C1/79
Filed: 1992-11-12
Abstract: PURPOSE:To provide the supporting body for a photographic printing paper improved in the deterioration of whiteness degree and hinding property resulted from an inferior dispersibility of titanium dioxide in an electron beam curable resin which is the problem which the supporting body for the photographic printing paper having the resin coating layer consisting of an electron beam curable resin has. CONSTITUTION:In the supporting body for the photographic printing paper, the surface side resin coating layer consisting of the electron beam curable unsatd. org. compd. containing titanium dioxide and an anionic high polymer dispersant is formed on one surface of the paper substrate consisting essentially of a natural pulp, and the rear side resin coating layer consisting of a film forming resin coating layer is formed on the other surface of the paper substrate.