baber/WOPTO huggingface dataset:
Patent JP-S63177470-A (JP)
Title: Manufacture of insulated-gate field-effect transistor
Inventor: AOKI KENJI
IPC: H01L29/78
Filed: 1987-01-16
Abstract: PURPOSE:To obtain a MOSFET which operates at high speed and at low power consumption by a method wherein an epitaxial growth thin layer whose impurity concentration is lower than that of a substrate is formed by using a molecular beam epitaxial growth method and a high-resistance active layer is formed at a channel part. CONSTITUTION:An epitaxial growth layer 2 whose impurity concentration is lower than that of a semiconductor substrate 1 and whose film thickness is less than 1000Angstrom  is formed on the surface of the substrate 1 by using a molecular beam epitaxial growth method; after that, the distribution of impurities which changes in a stepped manner in the depth direction is formed and a high- resistance active layer is formed at a channel part. For example, a low- concentration epitaxial growth thin film 2 is formed on a P<+> type semiconductor substrate 1 at a low temperature by using a molecular beam epitaxial growth method; after that, an active region is formed in a channel region. A source 3 and a drain 4 are formed by ion implantation; a gate oxide film 5 and a gate 6 are formed. By this method, it is possible to prevent a short-channel effect and a latch-up and to enhance the effective mobility of a carrier.
Patent JP-S58126906-A (JP)
Title: Production of magnetic metal powder consisting of iron or essentially of iron
Inventor: FUJII OSAMU
IPC: H01F1/00
Filed: 1982-01-22
Abstract: PURPOSE:To produce powder of magnetic iron having an acicular form and excellent magnetic characteristics by coating particles of iron or oxyhydroxide or oxide consisting essentially or iron with insolubilized or immobilized anionic surfactants then reducing the same. CONSTITUTION:Acicular particles of iron or oxyhydroxide or oxide consisting essentially of iron are coated with anionic surfactants by dispersing said hydroxide or oxide into an aq. soln. of said surfactants to adsorb the surfactants thereon then insolubilizing and immobilizing the same with bivalent or trivalent metallic ions; thereafter, the particles are reduced by heating. The collapsion of acicularity, sintering and cohesion are prevented by the above-mentioned coating, and the magnetic iron powder having excellent magnetic characteristics is obtained. Said anionoic surfactants are used preferably at 0.3-5wt% basing on the weight of th oxyhydroxide or oxide, and preferably >=1 kinds among Ni<2+>, Ca<2+>, Al<3+> are used as the metallic ions at 2-4 times the theoretical amt. necessary for insolubilizing the surfactants. The reduction by heating is accomplished preferably at 300-500 deg.C.
Patent JP-H03211753-A (JP)
Title: Semiconductor manufacturimg device
Inventor: KAWAGUCHI TAKAHIRO
IPC: H01L21/68
Filed: 1990-01-16
Abstract: PURPOSE:To effectively utilize or discharge the residual charge of a wafer so as to facilitate the secession of the wafer by providing a high voltage power source with a polarity changeover means, and applying positive or negative voltages to electrodes or applying homopolar voltage to the residual charge of a wafer. CONSTITUTION:When the polarity changeover means 2f and 2g change over the positive/negative poles of respective high voltage power sources 2a and 2b between output terminals 2c and 2d and an earth terminal 2e to suck a wafer 6 with an electrostatic chuck 1, the voltage is applied so that for example an electrode 1b may be positive and an electrode 1c negative. Taking the case the that the wafer 6 is RIE-processed, the wafer 6 is charged in negative, bathed in the shower of electrons being charge particles, and negative residual charge 7a stand at the surface of the wafer 6. Thereupon, negative voltage is applied to two electrodes 1b and 1c by changing over the polarity changeover means 2f and 2g. The negative charge induced in the insulating film 1a of an electrostatic chuck 1 and the residual charge 7a of the wafer 7a repel each other with Coulomb repulsive forces functioning, so the wafer 6 can easily secede.
Patent JP-H10207412-A (JP)
Title: Empty space display device for parking lot
Inventor: MIYAGI TSUGUHISA
IPC: G09F19/22
Filed: 1997-01-20
Abstract: PROBLEM TO BE SOLVED: To offer an empty space information device for users at an inexpensive cost in a parking lot allowing many cars to be parked. SOLUTION: A plate-form member 1 fixedly installed in a parking space is to detect a car entering the parking space, and when a car enters a parking space, one end of the member falls down, and it rises up when the car goes out of the parking space. A bar-shaped member 4 attached to the plate-shaped member 1 is arranged to be housed in an opening 6a of a driving mechanism part 6. The driving mechanism part 6 makes a member 7 for informing a user of the parking space tilt when a car comes in the parking space and the bar- shaped member 4 falls down, and makes the display member erect when the car goes out of there.
Patent JP-S59134758-A (JP)
Title: Preparation of cetraxate
Inventor: ITOU ITSUYA
IPC: C07C227/10
Filed: 1983-01-20
Abstract: PURPOSE:To prepare the titled compound useful as an antiulcer agent, etc., with economical procedure in short steps, by using 4-(2-carboxyethyl)-phenyl trans-4- cyanocyclohexanecarboxylate as a raw material, and reducing the compound. CONSTITUTION:The titled compound is prepared by the catalytic reduction of 4- (2-carboxyethyl)phenyl trans-4-cyanocyclohexanecarboxylate or its salt in the presence of a catalyst, preferably in a solvent. The catalyst is preferably Ni, Pd or Pt. The reduction is preferably carried out in the presence of a base such as ammonia when the catalyst is Ni or Co, or in the presence of a mineral acid such as hydrochloric acid when the catalyst is Pd, Pt, etc. The compound used as the starting material can be synthesized by reacting the compound of formula (X is halogen) with 4-hydroxyphenylpropionic acid in the presence of a base.
Patent JP-S60151150-A (JP)
Title: Confined-sound reducing apparatus for car
Inventor: SATOU KAZUO
IPC: B60R11/02
Filed: 1984-01-19
Abstract: PURPOSE:To reduce the confined sound by generating the sound which offsets the confined sound. CONSTITUTION:A phase device 20 receives a confined-sound signal detected by a microphone 10 set at a specific position on a car and advances and delays the phase. In a control circuit 30, the amount of advance and delay in the phase device is controlled so that the phase reverse to the phase of the confined sound at a hearing point is generated independently of the variation of the cycle of the confined-sound signal, and an oscillator 40 generates a rectangular-wave signal in synchronization with the signal output from the phase device 20. In a converter 50, the rectangular wave is converted to a sine wave. In a voltage-level detecting circuit 60, the voltage level of the confined-sound signal is detected, and in a voltage controlling amplifier 70, the voltage level of the sine wave is varied according to the voltage level. Then a speaker 80 is operated to generate the sound which reduces the confined sound at the hearing point.
Patent JP-H06218700-A (JP)
Title: Cut of lead wire and coil part
Inventor: HIROSE TOMOTERU
IPC: H01F41/10
Filed: 1993-01-21
Abstract: PURPOSE:To easily stabilize a cut place and suppress the generation of whiskers by cutting a lead wire by applying a tension in the state where a temperature difference is generated between the cut place of the lead wire and other parts through heating, in the manufacture of coil parts, etc., used in an electronic circuit. CONSTITUTION:As for a coil winding machine for winding a lead wire 21 on a bobbin (winding body), when the excessive lead wire 21 after the winding on the bobbin is cut-removed, the ultrared beam light 24 transmitted from an ultrared beam light source 23 is irradiated on the cut place 22 of the lead wire 21. Then, the temperature of the cut place 22 is increased and the tensile strength is reduced in comparison with other parts. In this state, a constricted part is formed at the cut place by applying each tension at both the edges of the lead wire 21, and the lead wire 21 is cut at the constricted part by applying a tension furthermore. In such the cutting method, the cut place can be stabilized easily, and the perfect cut free from the generation of whiskers can be realized.
Patent JP-S59134343-A (JP)
Title: Air-fuel ratio control method
Inventor: SUZUKI ATSUSHI
IPC: F02D41/34
Filed: 1983-01-20
Abstract: PURPOSE:In an air-fuel ratio control method where operating state during ON- OFF of bypass air control valve is detected to achieve best fuel consumption, to detect correct direction for improving fuel consumption by providing injection times and correction factor maps for each ON-OFF mode of said valve. CONSTITUTION:Upon decision of steady state of engine through engine parameters, it is decided whether a bypass air control valve 13 is turned ON or OFF. Then fuel injection and correction factor maps are made in accordance to each state. Both maps are used to maintain the basic injection pulse width due to variation of air flow through a suction air flow sensor caused by opening/closing of said valve 13 constant. Consequently the direction of air-fuel ratio for improving fuel consumption is decided.
Patent JP-H01105331-A (JP)
Title: Production of magnetic recording medium
Inventor: TSUJIOKA TSUYOSHI
IPC: C23C14/48
Filed: 1988-01-18
Abstract: PURPOSE:To prevent the electrification of a film and to efficiently deposit an FeN film by projecting the N ions and electrons obtd. in a plasma forming chamber simultaneously with the vapor of Fe to a substrate. CONSTITUTION:Gaseous N2 is introduced from a pipe 14 into the plasma forming chamber 13 to about 1X10<-3>Torr. A solenoid coil 15 is wound on the peripheral phase of the forming chamber 13 and the forming chamber 13 is disposed in parallel with the base of a vacuum chamber 1. A gaseous pressure difference is formed between the inside and outside of the forming chamber 13 by a grid 16 and the distance between the center of the grid and the surface for vapor deposition of the film 8 is set at about 10cm. The N2<+> ions and electrons drawn out of the plasma forming chamber 13 by magnetic lines of force and the gaseous pressure difference are projected simultaneously with the vapor 10 of Fe from a crucible 2 to the film 8. As a result, the film 8 is prevented from being electrified. The kinetic energy of the N<+> ions and the electrons is small and does not thermally dissociate the formed FeN film. The Fe vapor 10, the N2<+> ions 24 and the electrons 24 are prevented by a shielding plate 26 from arriving at the delivery side of the film 8. The good characteristics and the improved vapor deposition rate are obtd. by this constitution.
Patent JP-S62167763-A (JP)
Title: Production of 2,2,6,6-tetramethyl-4-oxopiperidine
Inventor: SAKANASHI KENJI
IPC: C07D211/74
Filed: 1986-01-17
Abstract: PURPOSE:To obtain the titled compound useful as a synthetic intermediate for light stabilizers of high polymer materials, madicines, etc., in high yield and purity, by reacting an acetone with acetonin in the presence of a readily available metal acetate industrially produced at a low cost as a catalyst. CONSTITUTION:Acetone or an acidic condensate thereof, e.g. diacetone alcohol, etc., is reacted with acetonin (=2,2,4,4,6-pentamethyl-2,3,4,5-tetrahydropyrimidine) in the presence of at least one or more metal acetates selected from Mg, Mn, Co, Ni, Cu, Zn, Zr, Cd, Ba, Hg and Pb, e.g, magnesium acetate.tetrahydrate, etc., in an amount of preferably 0.01-0.2mol based on 1mol acetone at 50-60 deg.C under ordinary or higher pressure for 0.5-10hr to afford the aimed compound (called triacetonamine). EFFECT:The reaction time is shortened and treatment of isolation is remarkably facilitated.
Patent JP-S54102854-A (JP)
Title: Oscillation circuit
Inventor: YAMASHITA MASAHIRO
IPC: H03B5/20
Filed: 1978-01-30
Abstract: PURPOSE: To obtain an enxpensive circuit of simple constitution using inverter circuits and delay circuits, and also to make it possible to set the circuit to an error of an oscillation period much smaller than a dispersion in gate delay time only by operating a switch.  
     CONSTITUTION: The oscillation circuit is equipped with inverter circuits (NAND circuit) 21 to 24, and delay circuits 25 to 28. In addition, this circuit includes switches 34 to 37, latch circuits 30 to 33, delay circuit 20, and waveform-shaping circuit 29. When there is dispersion in the gate delay time of integrated circuits constituting circuits 21 to 24, circuit 22 is used with switch 35 ON and when the oscillation period is 4% shorter than a desirable value (b), circuit 24 is used with switch 37 ON, so that the desirable value can be obtained. In this case, the dispersion within the range from -5% to +3% against the desirable value can be made into an error within +1% through operations of switches 34 to 37. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-H04250438-A (JP)
Title: Liquid crystal projecting device
Inventor: NAKANISHI KAORU
IPC: G03B21/00
Filed: 1991-01-28
Abstract: PURPOSE:To reduce the amount of power consumption from the external power source of a liquid crystal projecting device. CONSTITUTION:Visible light La among rays of light L projected from a lithe source 1 is reflected by a cold mirror 2 and utilized to project a video. Infrared rays Lb are transmitted through the cold mirror 2 to reach a solar battery 20. Light energy is converted to electric energy to generate power by the battery 20. The generated power is supplied to the liquid crystal projecting device.
Patent JP-S57122034-A (JP)
Title: Preparation of ether
Inventor: MUROFUSHI TOSHIAKI
IPC: B01J23/30
Filed: 1981-01-22
Abstract: PURPOSE: To obtain ether from a tertiary olefin in a mixed hydrocarbon and an alcohol, by the presence of an adduct of a heteropoly-acid with the raw material alcohol as a solid phase under such a pressure as to keep the mixed hydrocarbon containing the tertiary olefin in the liquid phase or above.  
     CONSTITUTION: A tertiary olefin of the formula R 1 HR=CR 2 R 3  (R 1  is H or alkyl; R 2  and R 3  are alkyl) in a mixed hydrocarbon containing the tertiary olefin is reacted with a primary or secondary alcohol, preferably at a molar ratio ≤1.1 based on the olefin, to give an ether having a tertiary alkyl group. In the process, a heteropoly-acid adduct containing one or more of P, Si, B, Ge, As, Se, Ti, Zr, Mn, F, U, Ce and Th as a central element and Mo and/or W as a ligand element with the raw material alcohol is present as a solid phase to carry out the reaction at such a pressure as to keep the raw material hydrocarbon in the liquid phase or above.  
     USE: Antiknock agents for gasoline. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-H01185491-A (JP)
Title: Incore tightening nut handling tool
Inventor: SAKAMAKI KAZUO
IPC: B25B33/00
Filed: 1988-01-20
Abstract: PURPOSE:To easily make a nut tighten by preparing a long size pipe, a spanner part, a spring mechanism and the like and providing a connecting mechanism for preventing the rotation of a nose piece on a flange in a handling device which is provided on the ascendable flange. CONSTITUTION:The captioned handling tool is formed of a flange and the like in which an ascending device 6 and a rotable handling device 8 are prepared. In the device 8, a handle part 26, a long size pipe 29, a spanner part 30 and a spring mechanism 31 are prepared and a connecting mechanism 9 is provided on the flange 7. Next, the device 8 is allowed to ascend by the device 6, the spanner 30 is engaged with a tightening nut 4, the handle 26 is rotated and the nut 4 is taken out by the spanner 30 as the rotation of a nose piece 5 is prevented by the mechanism 9. The nut 4 is engaged with the spanner 30, the device 8 is allowed to ascend, a nut 7 is screwed in the screw part of a neutron counter 1 and the spanner 30 is rotated to tighten the nut 4 to fix.
Patent JP-H05193525-A (JP)
Title: Installation structure of gas stay for hood
Inventor: YASUGADAIRA MASAHIKO
IPC: B62D25/12
Filed: 1992-01-21
Abstract: PURPOSE:To facilitate the installation work of the lower edge part of a gas stay and prevent the gas stay from obstructing the maintenance work in an engine room. CONSTITUTION:The turnable lower edge part 28 of a gas stay 27 is inserted horizontally into a projection part 22 formed at the near center position in the car width direction X, and a lock nut 29 is installed at the inserted lower edge part 28, and no obstruction exists on the periphery of the lock nut 29, and work can be easily carried out. Further, when a hood 14 is opened, the gas stay 27 does not become an obstruction, when maintenance work is carried out from the left and right sides of an engine room.
Patent JP-H08200141-A (JP)
Title: Torque estimating method and estimating device
Inventor: NAGAOKA MITSURU
IPC: G01L3/00
Filed: 1995-01-24
Abstract: PURPOSE: To perform high-precise estimation of output torque without using a torque sensor by calculating output torque of an engine from a neural network computation result in which specified engine control information is converted into an input variable and through neural network computation wherein the change speed of specified control information is regarded as an input variable. CONSTITUTION: An intake air temperature Atemp and an atmospheric pressure Atm are normalized by a normalization processing part 1 and intake air density Dina is calculated by a neural net part 2. Intake air density Dina , a throttle opening acp , and the rotation speed Esp of an engine output shaft are normalized by a normalization processing part 3, and engine output torque Tsta is computed through neural network computation, wherein a normalized value is regarded as an input variable, by a neural set part 4. Meanwhile, the throttle opening acp and the change speed of a rotation speed Esp are determined by a differentiator 5 and a throttle opening, the change speed of a rotation speed, and static engine output torque are normalized by a normalization processing part 6.  The normalized value is converted into an input variable by a neural net part 7 output torque Tesp is obtained through neural network computation.
Patent JP-S59135783-A (JP)
Title: Josephson memory device
Inventor: SUZUKI HIDEO
IPC: H01L39/22
Filed: 1983-01-24
Abstract: PURPOSE:To increase density and the degree of integration while reducing inductance, and to accelerate working speed further by forming a return wire for currents in three-dimensional wiring structure arranged under a base section electrode layer while widening the wiring width of the return wire. CONSTITUTION:An insulating film OX1 is formed on a ground-plane GP, which is disposed on a substrate and consists of a superconductor, and a return wire wiring layer 31' for a bias wire consisting of a superconductor and a wiring 33' for control currents are formed on the insulating film OX1. The layer 31' and the wiring 33' are coated with an insulating film OX2, a base section electrode EB is formed, and two tunnel insulating films OXt are formed separated mutually on the electrode EB. An opposite electrode EC consisting of a superconductor is disposed on the two tunnel insulating films OXt in a cross-linking manner. A plurality of control wires 33 consisting of a superconductor are arranged on the opposite electrode EC through an insulating film. The width of the return wire 31' is windened in order to reduce its inductance.
Patent JP-S59134731-A (JP)
Title: Pharmaceutical preparation of plasma protein and its preparation
Inventor: KAMIMURA YATSUHIRO
IPC: A61K38/17
Filed: 1983-01-21
Abstract: PURPOSE:In preparing a dried pharmaceutical preparation of plasma protein by PEG fractionation method, to improve its water solubility, and to obtain the dried pharmaceutical preparation of plasma protein to be dissolved in water quickly, by purifying the preparation in such a way that an amount of admixtures of PEG is reduced to <= a specific amount. CONSTITUTION:In preparing a dried pharmaceutical preparation of plasma protein consisting of plasma protein by PEG fractionation method, the pharmaceutical preparation is dissolved in water and purified in such a way that PEG concentration is <=0.05W/V% when protein concentration is 5-20W/V%, and an aqueous solution of plasma protein is dried, to give the dried pharmaceutical preparation of plasma protein. Albumin, AHF, immunoglobulin, the VIII factor of blood clotting, etc. may be cited as the plasma protein. PEG exerts influence on dissolution speed of the pharmaceutical preparation. Admixed PEG is subjected to alcohol fractionation in the presence of 0.04-0.75mol neutral salt, to salting- out, or treated with a nonpolar synthetic adsorbent.
Patent JP-H10210242-A (JP)
Title: Data sequence conversion circuit
Inventor: UCHIGASAKI KAZUTOSHI
IPC: H04N1/19
Filed: 1997-01-21
Abstract: PROBLEM TO BE SOLVED: To provide a data sequence conversion circuit capable of being configured at a low cost without using a FIFO circuit. SOLUTION: A data selection circuit 36 provides outputs of skipped data such as 0, 3000, 6000, 9000,... one by one each and the skipped data are stored in skipped address in an SRAM 40, then when all the skipped data are finished for output from the data selection circuit 36, data of 0 to 14999 are stored in consecutive addresses in the SRAM 40 and the consecutive addresses of the SRAM 40 are accessed continuously and the data of 0 to 14999 stored in the addresses are read continuously to convert the parallel data divided by 3000 each are converted into the continuous data of 0 to 14999.
Patent JP-S58126650-A (JP)
Title: Cathode-ray tube
Inventor: ASANO TETSUO
IPC: H01J31/10
Filed: 1982-01-25
Abstract: PURPOSE:To make the convection of a refrigerant to be securely performed actively by installing a transparent partition plate, which is provided with penetrating holes in its upper and lower parts, in a space charged with the refrigerant, at the middle between two panels. CONSTITUTION:A refrigerant touching a fluorescent-screen panel 1 comes to have a temperature higher than that of a refrigerant touching a transparent panel 3, and flows toward the transparent panel 3 through the upper penetrating hole 7 of a transparent partition plate 6. The refrigerant having a lower temperature and touching the transparent panel 3, flows toward the fluorescent-screen panel 1 through the lower passage hole 8 of the plate 6. Thus, since the convection of the refrigerant comes to be securely performed actively, the temperature distribution of the fluorescent-screen panel 1 becomes nearly homogeneous, and becomes as indicated in the figure after continuous operation is carried out for a long time. As a result, since the convection movement of the refrigerant used for cooling the fluorescent-screen panel 1 comes to be orderly performed actively, the temperature distribution of the fluorescent-screen panel 1 becomes nearly homogeneous, the luminance of a picture becomes nearly homogeneous, and no  cracks are caused in the panel 1.