baber/WOPTO huggingface dataset:
Patent JP-S62104478-A (JP)
Title: Switching power source
Inventor: TANAKA HIDEHIRO
IPC: H02M3/28
Filed: 1985-10-28
Abstract: PURPOSE:To stabilize the operation of a switching power source by interposing a transformer composed so that two windings are connected in such a manner that the directions of magnetic fields are reverse between the emitters of transistors of parallel-connected converters, thereby uniformizing the currents flowing to the transistors. CONSTITUTION:Transistors 3, 4 of two forward converters connected in parallel are controlled to be switched by one output detector 13, a controller 14 and a driving transistor 15. A current transformer 5 so composed that the directions of the magnetic fields of the primary side 5a and the secondary side 5b are reverse is connected between the emitters of the transistors 3, 4 to uniformize the currents flowing to the transistors 3, 4.
Patent JP-H0697433-A (JP)
Title: Output buffer circuit
Inventor: OGURA KIYONORI
IPC: H03K19/0175
Filed: 1992-09-10
Abstract: PURPOSE:To prevent the reverse flow of a current from the output terminal of an output buffer circuit to a power source, and suppress the level drop of an output signal, and improve the rise speed of the output signal and trailing speed. CONSTITUTION:A nondoped n-channel MOS transistor Tr9 is connected between transistors Tr8 and Tr10, and the gate of the transistor Tr9 is connected to Vcc. Moreover, a nondoped n-channel MOS transistor Tr11 and an n-channel MOS transistor Tr12 are connected in series between Vcc and GND, and an output signal OUT is outputted from the output terminal To connected to the source of the transistor Tr11, and the threshold of the transistor Tr11 is set to 0V or over.
Patent JP-2001066260-A (JP)
Title: Device for inspecting defect of film
Inventor: TAKADA JUNICHI
IPC: G01N21/892
Filed: 1999-08-30
Abstract: PROBLEM TO BE SOLVED: To automatically detect such defect as the thickness irregularity, dotted projection, or the like of a film with high probability. SOLUTION: The device for inspecting the defect of a film is provided with an inspection roll for winding and carrying a strip of film 2, a rod-shaped light source 9 that is arranged in parallel in the widthwise direction of the film 2 at a position with an acute angle for the side of the light source 9 of a tangential line 11 in an inspection line 3 of the inspection roll 1, a line sensor camera 4 for picking up the image of the surface of the film 2 on the inspection line 3, and an image-processing device 12 for processing an output image from the line sensor camera 4.  The image-processing device 12 is provided with a means for discriminating the defect of the film 2 based on the density of the detected image, or the amount of density and the density change, and a means for discriminating the detect of the film, based on an integration value obtained by integrating a plurality of images being detected for each small move of the film.
Patent JP-H0798301-A (JP)
Title: Abnormality tudging method for crystal grain measuring instrument
Inventor: MIYAKE SHUNEI
IPC: G01N29/07
Filed: 1993-09-29
Abstract: PURPOSE:To early detect the abnormality of a crystal grain measuring instrument by sampling the specified number of data with large amplitude from the data obtained in one scanning to find an average amplitude, and comparing the average amplitude with the reference amplitude of normal crystal grains. CONSTITUTION:The voltage level average Vb of normal crystal grains is controlled so as to become 7V for example, and output voltage of an ultrasonic wave receiving circuit is sampled at 1mm wide pitch to obtain the measuring data in the Lth scanning. The plate end level Va (for example, 9V) is found from the voltage data in one scanning, and the voltage data within a plate range is compared with the abnormal grain detecting level Vc (for example, 4V). If it is the same as or lower than Vc, the crystal grain is decided as the abnormal grain. When a measuring circuit is checked whether it is good or not, N pieces of maximum voltage values (for example, 3) every channels 1 and 2, V11-V13 and V21-V23 are sampled, then the average of voltage data is found every channels 1 and 2. If the average value obtained is out of range of the reference voltage Vb+ or -a% (for example, 5%), a transmitting-receiving circuit is considered abnormal.
Patent JP-S61122881-A (JP)
Inventor: SHIMIZU SHIRO
IPC: A63C11/00
Filed: 1984-11-16
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H0554150-A (JP)
Title: Object joining system
Inventor: HIRAIKE RYUICHI
IPC: G06T15/00
Filed: 1991-08-27
Abstract: PURPOSE:To judge the joint of two objects in a virtual three-dimensional space prepared in a computer by simple interference judgement to be processed at real time. CONSTITUTION:In the system to join two objects 1 and 2 in the virtual three- dimensional space prepared in the computer, outside covering rectangular parallelopipeds 3 and 4 are generated to cover the respective objects and when one of apexes 5 at one rectangular parallelopiped 4 is existent in the inside of the other rectangular parallelopiped 3 at least, it is judged that the two objects are joined.
Patent JP-H09124516-A (JP)
Title: Preparation of isobutane and propene alkylate
Inventor: RAGUU MENON
IPC: C07C7/12
Filed: 1996-09-13
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing an alkylate of isobutane and propene.  
     SOLUTION: A hydrocarbon flow is treated by cracking to produce a high- temperature gas flow, which is then compressed and cooled to condense nearly all of the hydrocarbons contained in the flow. The uncondensed flow (mainly composed of hydrogen and 1-3C hydrocarbons) remaining after the condensing step is treated by pressure swing adsorption or temperature swing adsorption at about 20-250°C adsorption temperature in an adsorbent bed capable of selectively adsorbing ethene and propene to thereby adsorb substantially all of the ethene and propene from the gas flow. The ethene or propene or both are recovered when regenerating the bed. Higher alkenes can be separated from alkanes according to various methods. 
     COPYRIGHT: (C)1997,JPO
Patent JP-S60135580-A (JP)
Title: Corrosion prevention of silver surface
Inventor: OOHASHI ICHIROU
IPC: C23C30/00
Filed: 1983-12-22
Abstract: PURPOSE:To prevent oxidation and blackening of a silver surface and to prevent decrease in electrical conductivity by coating the surface of silver with an Ni-Cr alloy. CONSTITUTION:The surface of silver is coated by an Ni-Cr alloy such as ''inconel 625'' or the like preferably by a sputtering method. The surface of a plastic film P consisting of, for example, ''Teflon'' etc. is coated S thinly with silver and the large temp. elevation of the film P by the radiation heat rays is prevented in the following way by utilizing the electrical conductivity of the coated surface: An Ni-Cr alloy coating layer I is provided on the surface of said silver by which the surface of the silver is prevented from oxidation and blackening and the heat rays N can be reflected. Even if electric current is passed between electrodes H and the heat rays N are applied to the surface at the same instant in the above-mentioned constitution, the temp. elevation is prevented as the surface has high reflectivity. H in the figure denotes a wiring.
Patent JP-H1179178-A (JP)
Title: Pallet made of aluminum
Inventor: NAGASHIMA MASAHARU
IPC: B65D19/28
Filed: 1997-09-08
Abstract: PROBLEM TO BE SOLVED: To provide a pallet made of aluminum, capable of being loaded on a chain conveyor to be conveyed irrespective of right, left, fore or rear directions, and excellent in convenience for use. SOLUTION: This pallet 1 made of aluminum has a laterally long intermediate beam 5 disposed between a pair of laterally long beams 3, 4 disposed in parallel to each other and a plurality of upper face deck boards 2 disposed in parallel to one another on these respective beams 3, 4, 5. In this pallet 1, cross-sectionally L-shaped horizontal portions of the paired beams 3, 4 are directed in a direction in which they face each other, and facing sides of horizontal portions of both ends of the paired beams 3, 4 in their longitudinal directions are joined together with lower face deck boards 6, 6. If the horizontal portions of these beams 3, 4 are flushed with the underfaces of the lower face deck boards 6, 6, chains of a chain conveyor can be prevented from being inserted into rectangular spaces defined among the respective beams 3, 4, 5. Therefore, this pallet 1 made of aluminum is freely slid on the chains, and its direction can be freely changed.
Patent JP-2001064525-A (JP)
Title: Molded item for extremely low temperature
Inventor: WADA TAKESHI
IPC: B65D1/09
Filed: 1999-08-30
Abstract: PROBLEM TO BE SOLVED: To obtain a molded item having an excellent low-temperature impact resistance which item does not suffer cracks or the like even if it is used at an extremely low temperature by using a molding material containing a polymer with an alicyclic structure having a specific impact strength at room temperature. SOLUTION: A molded item for extremely low-temperature which does not suffer even if it is exposed to the atmosphere of not more than -20 deg.C for at least 1 hour is obtained by molding a molding material containing a polymer with an alicyclic structure having a 50% fracturing energy of the Dupont impact strength at 25 deg.C of at least 1 J. Preferably the polymer with an alicyclic structure is a norbornene polymer, its hydrogenated material, a cyclic conjugated diene polymer, its hydrogenated material, or the like and contains no norbornene ring in all the repeating units of the polymer but contains at least 20 wt.% of a repeating unit with an alicyclic structure containing another ring. Preferably the glass transition temperature of the polymer with an alicyclic structure is at least 100 deg.C.  Optionally a resin, a soft polymer, an anti-oxidant, an additives or the like can be blended with the polymer with an alicyclic structure.
Patent JP-H04371146-A (JP)
Title: Manufacture of implant
Inventor: AOKI HIDEKI
IPC: A61L27/32
Filed: 1991-06-18
Abstract: PURPOSE:To provide a method for manufacturing in a short time and with certainty an implant comprising an apatite type ceramics covering layer formed on the surface of a core. CONSTITUTION:A method for manufacturing an implant includes the steps of covering a core with a calcium phosphate type compound, and converting the covering layer into an apatite type ceramics layer through hydrothermal treatments.
Patent JP-S6290972-A (JP)
Title: Semiconductor device
Inventor: KAWAMATA SHIGERU
IPC: H01L21/331
Filed: 1986-10-15
Abstract: PURPOSE:To suppress the extension of a depletion layer along wirings by forming leads on the diagonal line of substantially square of a channel stopper to prevent charge from being induced in a silicon boundary under the wirings. CONSTITUTION:A channel stopper N<+> type region 2 is formed in a rectangular shape on an N-type silicon substrate 1, and a P-type collector 4 and an emitter 5 are formed in an N<+> type region 2 to construct a PNP type transistor. Then, contacting windows 8 are formed in diffused regions, and field plate electrodes 7, 7' and lead wirings 6 are formed. The wirings 6 are disposed on the diagonal line of the region 2. Thus, when the wirings 6 are led on the diagonal line, approx. 1.4 times distance between P-type collector 4 and N<+> type region 2 is lengthened as compared with the wirings led perpendicularly in the conventional minimum distance. As a result, the channel resistance can be increased to suppress the extension of the depletion layer.
Patent JP-H0298571-A (JP)
Title: Holding jig of chip-type electronic part and method for handling
Inventor: TAMAKI KUNIAKI
IPC: B65D85/38
Filed: 1988-09-27
Abstract: PURPOSE:To simplify piling and removing of holder jigs by utilizing a groove or a protruding string by a method wherein a plural number of holding holes are provided on a plate, chip-type electronic parts are held with an elastic body fixed to the inner face of the holes, and grooves or protruding strings are formed on the outer periphery of the plate. CONSTITUTION:An elastic body, rubber 12 for example, is fixed to an inner face of each holding hole 8 of a plate 4, and an electronic part inserted into the holding hole 8 is maintained by elasticity of the rubber 12. Grooves 16 or protruding strings 20 are formed on the outer periphery of the plate 4 thereby enabling a plural number of holding jigs 14, 18 to be piled and to be taken out against adhesion of the rubber from the pile.
Patent JP-S60134283-A (JP)
Inventor: ITOU TAKAHIRO
IPC: G09G5/00
Filed: 1983-12-23
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H0984811-A (JP)
Title: Dental extraoral vacuum device
Inventor: HOSOGAI HIROAKI
IPC: A61C13/00
Filed: 1995-09-21
Abstract: PROBLEM TO BE SOLVED: To judge whether suction-exhaustion operation is properly performed or not by providing an indicator displaying the vacuum suction force in an exhaust pipe to the outside of the exhaust pipe. SOLUTION: An exhaust pipe (flexible tube) 6 is attached so as to be guided into a water supply/drain box 4 by an attaching member 12 having an arm 11 integrally provided thereto. The indicator 20 obserbing the suction force (exhaustion quantity) in the exhaust pipe 6 is provided to monitor whether clogging is generated in an exhaust pipe route. The indicator 20 is constituted so that a piston 22 is provided in a transparent cylinder 21 and the spring 23 transferring the piston 22 to one end in the cylinder 21 and the cylinder 21 is allowed to communicate with the exhaust pipe 6 on the side where the spring 23 is arranged. By this constitution, it can be judged whether suction- exhaustion operation is certainly performed or not and, when exhaustion is not sufficiently performed, a vacuum pump is stopped to inspect an exhaustion pipe route to prevent the burn-off of the vacuum pump.
Patent JP-H0290907-A (JP)
Title: Filter
Inventor: WATANABE TAKESHI
IPC: B01D29/39
Filed: 1988-09-28
Abstract: PURPOSE:To lower overall manufacturing cost by curving a disk-like metal plate which is laminated and used as a leaf disk so as to form a shape of waves moving toward its circumference and forming a lot of grooves extending radially depending on the wave shape. CONSTITUTION:A leaf disk which is laminated one by one is made to have a disk-like metal plate 9, curved so as to form a shape of waves moving toward its circumference, and a lot of grooves 10 extending radially depending on the wave shape are formed. Each of the grooves 10 is curved toward the circumference of the disk as it comes close to the circumference and the effective width of each groove 10 is made uniform in the whole length. Further, unwoven cloth 6 is stuck on both sides of the plate 9 and the each groove 10 is covered by the unwoven cloth 6 so as to transmit fluid material such as a polymer, a monomer through the unwoven cloth 6 on the plate and to introduce it to each groove 10 and, as a result, to filter the fluid material by the unwoven cloth 6. Thus, porous punching plate is not needed and overall manufacturing cost can be lowered.
Patent JP-H04122491-A (JP)
Title: Far infrared ray generator
Inventor: OURA HIROSHI
IPC: A61L9/18
Filed: 1990-09-12
Abstract: PURPOSE:To accelerate the purification and activation of water/air by locally forming a region where the intensity of far infrared rays is high by receiving a non-heating far infrared ray emitting body in a cylindrical metal oxide structure having fluid permeability. CONSTITUTION:A rod-shaped non-heating far infrared ray emitting body 2 made of alumina ceramic is received in a spiral iron oxide structure 1 and the whole is fixed in a water pipe 3 by a mounting ring 4. The iron oxide structure 1 reduces the radiation leakage of far infrared rays to the outside and a region where the intensity of far infrared rays is high is formed between the far infrared ray emitting body 2 and the iron oxide structure 1. By this method, the liquid/gas passing through this region can be strongly activated to be purified and improved.
Patent JP-S62101678-A (JP)
Title: Protective member for semiconductor wafer
Inventor: UEMURA TAKEMASA
IPC: C09J7/02
Filed: 1985-10-30
Abstract: PURPOSE:To obtain the titled member which prevents damage to a wafer, is easy to peel off and to wash, allows efficient polishing of the back of a wafer, and has antistatic properties, by preparing a pressure-sensitive adhesive film consisting of a specified pressure-sensitive layer and a base material to support it. CONSTITUTION:100pts.wt. pressure-sensitive adhesive composed of natural rubber, etc. is mixed 0.1-10pts.wt. polyolefin glycol surface active agent such as polyethylene glycol alkylphenyl ether to give a pressure-sensitive adhesive layer composition. This composition is applied to the surface of a supporting base material comprising, e.g., PE, having a thickness of 20-500mum so as to provide a thickness of the adhesive layer of 1-500mum, thus giving a pressure-sensitive adhesive film. When the back of a semiconductor wafer is to be polished, this film is stuck on the side on which a circuit pattern has been formed, thus giving a protective member to protect the circuit pattern.
Patent JP-S62101656-A (JP)
Title: Anthraquinone compound and liquid crystal composition
Inventor: MIURA KONOE
IPC: C09K19/60
Filed: 1985-10-29
Abstract: NEW MATERIAL:Anthraquinone compounds of formula I (wherein X is S, Se; R<1>, R<2> are each phenyl which may be substituted, naphthyl, or heterocyclic ring). USE:The compds. exhibit a high dichroic ratio, good solubility and good color display, when used in liquid crystal compsn. Nematic liquid crystals for use in the liquid crystal compsn. can be widely chosen, so long as they exhibit a nematic state over a working temperature range. PREPARATION:A compd. of formula II is reacted with a compd. of HX-R<2> to obtain the desired compd. The reaction is carried out in an amide solvent (e.g., acetamide) or a solvent such as dimethyl sulfoxide, sulfolane, etc. in the presence of an acid acceptor (e.g., potassium carbonate, triethylamine) at a temp. of 50-200 deg.C.
Patent JP-2001069342-A (JP)
Title: Picture reader
Inventor: KAWABE YASUSHI
IPC: G06T3/00
Filed: 1999-08-30
Abstract: PROBLEM TO BE SOLVED: To provide a picture reader capable of efficiently synthesizing pictures by excluding the disturbance of an image form and the waste of a picture memory in a conventional picture reader. SOLUTION: A picture reader is provided with a picture inputting means 101 for inputting a picture, a position detecting means 102 for detecting a position from the movement of the means 101, an image range designating means 103 for designating the reading range of the picture by first scanning of the means 101, and a designated range judging means 104 for judging whether a picture in the middle of reading after the second scanning is within the range designated by the means 103.
Patent JP-S6396970-A (JP)
Title: Semiconductor photodetector
Inventor: MAKITA KIKUO
IPC: H01L31/107
Filed: 1986-10-13
Abstract: PURPOSE:To prevent the trap of carrier thereby to be able to respond at a high speed by interposing a superlattice structure in a boundary between an optical absorption layer and a multiplying layer and then highly heat treating it. CONSTITUTION:An n-type InP buffer layer 2, an n-type InGaAs optical absorption layer 3, an n-type InP multiplying layer 5 and an n-type InP cap layer 6 are formed on an n-type InP substrate 1, a superlattice structure 14 of an InGaAs layer 12 and an InP layer 13 is interposed in a boundary between the layers 3 and 5, and heat treated, for example, at 800 deg.C in a phosphorus pressure atmosphere. Then, a P-type region 7 is formed as a photodetector unit, a P-type region 8 as a guard ring is formed to obtain a photodetector. As a result, atoms are diffused mutually near the structure 14, the abrupt discontinuity of the band structure is eliminated so that the trap of carrier scarcely occurs to obtain a high speed response.
Patent JP-S6488518-A (JP)
Title: Semiconductor device for controlling beam of light
Inventor: ONOSE HIDEKATSU
IPC: G02F1/21
Filed: 1987-09-30
Abstract: PURPOSE:To obtain both a sufficient ON/OFF ratio and sufficient transmission light strength by providing a laminating film in which plural semiconductor thin layers with different composition are laminated alternately, and changing the photoattraction and the refractive index of the laminating film by an injected current. CONSTITUTION:The thickness of the plural semiconductor thin layers with different composition are set at the thickness by which an exciton confining effect is generated and in which the energy of the attractive peak of an exciton can coincide with that of light to be controlled, and MQW (multiple quantum well) structure in which the above thin films are laminated alternately is employed, and the current to be injected to the layer is turned ON and OFF. To increase the transmission factor at an ON state furthermore, the MQW structure is positioned adjacently to two layers in which a value to multiply the thickness by the refractive index is set at the value of odd times the 1/4 of the wavelength of the light to be controlled and also made of substance with a band gap larger than that of the MQW. Also, to increase the ON/OFF ratio furthermore, the MQW structure is positioned between two mirrors, then, a Fabry-Pverot oscillator is formed. In such a way, it is possible to obtain the sufficient ON/OFF ratio and transmission light strength.
Patent JP-H06204598-A (JP)
Title: Semiconductor laser
Inventor: ISHIDA TOMOKO
IPC: H01S5/00
Filed: 1992-09-14
Abstract: PURPOSE:To improve differential efficiency at the time of high-temperature operation, and to reduce driving currents by setting the distance in the vertical direction of an N-type or P-type current block layer and an active layer at a fixed value or less. CONSTITUTION:The distance (d) in the vertical direction of each N-type or P-type current block layer 13 and an active layer 9 in a DC-PBH semiconductor laser formed onto an N-type or P-type semiconductor substrate is set at 0. 5mum or less. Consequently, currents flowing into the P-type current block layer 13 from a P-type clad layer 14 are limited spatially, and a depletion layer is formed at a voltage value close to oscillation threshold voltage on the interface of the NP current block layers. When the depletion layer is formed at the end section of the P-type clad layer 14 in the upper section of the active layer 9, leakage currents are also inhibited electrostatically, and leakage currents are suppressed even when voltage is applied, thus preventing the turn-off of a thyristor. Accordingly, differential efficiency in high-temperature operation is improved, and driving currents can be reduced.
Patent JP-S6397944-A (JP)
Title: Photosensitive composition and photosensitive lithographic printing plate
Inventor: NAKAI HIDEYUKI
IPC: G03F7/004
Filed: 1986-10-14
Abstract: PURPOSE:To obtain a photosensitive compsn. having excellent treating chemical resistance and printing resistance by incorporating a novolak resin and high- polymer compd. having a specific structural unit as a binder into said compsn. CONSTITUTION:The photosensitive compsn. is formed by incorporating the compd. which generates an acid when irradiated with active rays, the compd. which has at least one bond decomposable by the acid, the novolak resin and the high-polymer compd. having the structural unit expressed by the formula into said compsn. In the formula, R1, R2 denote a hydrogen atom, alkyl group, etc., R3 denotes a hydrogen atom, etc., R4 denotes a hydrogen atom, alkyl group, etc., Y denotes a phenylene group or naphthylene group, X denotes an org. group combining a nitrogen atom and arom. carbon atom. The content of the acid generating compd. can be varied over a wide range by the chemical properties thereof and the compsn. or properties of the photosensitive compsn. Said compd. is incorporated into the compsn. preferably in a 0.2-10wt% range by the total weight of the solid component of the photosensitive compsn.