baber/WOPTO huggingface dataset:
Patent JP-H0464297-A (JP)
Title: Board holding and securing device
Inventor: UCHIYAMA SATOSHI
IPC: H05K13/04
Filed: 1990-07-04
Abstract: PURPOSE:To effectively hold and secure a board without replacing a supporting pin, an elevation plate even if the thickness, size, and type of the board are varied by supporting the board moved and guided along guide grooves formed on a pair of transfer rails from its lower surface by a piston rod, moving a slide plate long the longitudinal direction of a long hold, securing or releasing the rod. CONSTITUTION:When a board is conveyed to a predetermined position by means of transfer rails 1a, 1b, operating fluid is supplied to a cylinder chamber 4, a supporting piston 5 is raised, the board is raised by a rod 5a, and secured to the rails 1a, 1b. Then, a slide plate 8 is moved, the end face of a long hole is made to abut on the rod of the supporting piston, and the board can effectively be secured without replacing components, etc., even if the rod 5a is secured according to the varied thickness of the board.
Patent JP-H0465606-A (JP)
Title: Electronic component recognizer
Inventor: OKADA TAKESHI
IPC: G06T7/00
Filed: 1990-07-04
Abstract: PURPOSE:To obtain the electronic component recognition device which has high reliability by providing nonreflective shutter parts which clamp the flanks of an electronic component between the reverse surface of a hand part and a lighting device. CONSTITUTION:The shutter parts 1, 2, 3, and 4 which are freely movable in directions (a) - (d) (X and Y directions in figure 3) and can clamp the flanks of the electronic component 12 are provided between the reverse surface of a suction nozzle 10 as the hand part and the lighting device 5. Namely, while the flanks of the electronic component 12 are clamped by the shutter parts 1, 2, 3, and 4, a reflecting surface which is lighted by the lighting device 5 is photographed by a camera 6 to perform image recognition. In such a case, the reverse surface 10a of the suction nozzle 10 is covered with the shutter parts 1, 2, 3, and 4 which are processed in black, so no reflected image is inputted to a camera 16 except the electronic component 12 and the attitude of the electronic component 12 can accurately be recognized.
Patent JP-H097965-A (JP)
Title: Temperature controller for semiconductor fabrication apparatus
Inventor: TANAKA KAZUO
IPC: H01L23/58
Filed: 1995-06-22
Abstract: PURPOSE: To realize optimum temperature control in fabracation of semiconductor by measuring temperature in the vicinity of a wafer. CONSTITUTION: There is provided a semiconductor fabrication apparatus wherein a reaction pipe 4 is contained in a heating furnace 1, and there is loaded in the reaction pipe 6 a boat 5 in which a wafer 6 is accommodated, and further the inside of the reaction pipe 4 is heated to predetermined temperature to process the wafer 6. In the semiconductor fabrication apparatus, a thermocouple 11 is mounted on the boat 5, and on the basis of measured temperature from the thermocouple 11 temperature control means 12 controls power supplied to the heater 2 for control of heating temperature of the reaction pipe 4. More specifically, temperature control is performed on the basis of temperature in the vicinity of the wafer 6.
Patent JP-H0840771-A (JP)
Title: Conductive ceramic
Inventor: TERASHI YOSHITAKE
IPC: C04B35/50
Filed: 1994-07-29
Abstract: PURPOSE:To enhance the sintering property and enable the densifying of a mixture by a low temperature sintering method by adding an excessive amount of the oxide of the group 3a element in the periodic table except La to a system containing the group 3a element in the periodic table except La, Cr and a specific alkaline earth element. CONSTITUTION:An oxide of formula: M2O3 (M is the group 3a element in the periodic table except La), Cr2O3, and the oxide of an alkaline earth element (A) such as Ca, Ba, Sr or Mg are mixed in such an atomic ratio as satisfying the relations of inequalities: 0.0001<=u/x+y+z<=0.20, 0.01<=y/x+y+z<=0.20, x+y/z=1 when A is Ca, Ba or Sr, or as satisfying the relations of inequalities: 0.0001<=u/x+y+z<=0.20, 0.01<=y/x+y+z<=0.20, x/y+z=1 when A is Mg, when the mixture is expressed by a formula: Mx+UuAgCrz. The mixture is molded, and subsequently sintered at 1200-1600 deg.C in an oxidizing atmosphere to obtain the conductive ceramic comprising a multicomponent oxide having an opened porosity of <=1% and an electric conductivity (1000 deg.C) of >=15s/cm.
Patent JP-H0739163-A (JP)
Title: Switching power supply apparatus
Inventor: HASHIMOTO SHINICHI
IPC: H02M1/14
Filed: 1993-07-20
Abstract: PURPOSE:To provide a switching power supply apparatus which can supply electric power in a prescribed time in the momentary voltage drop of an input voltage. CONSTITUTION:In a steady operation, the electric power of an AC power supply 1 which has been rectified by a bridge means 2 is sent out from a transformer T1 after its harmonic component has been removed by a harmonic-distortion improvement circuit 61 for a switching means 6 via a diode D2 and a filter circuit 5. At this time, charged electric power which has been charged in a capacitor C2 by a resistance R5 and a diode D1 is not supplied to the filter circuit 5 because a switching element Q1 is turned on and switching elements Q2, Q3 are turned off. In a momentary voltage drop, the output of a voltage- dividing time-constant circuit by resistances R1, R2 and by a capacitor C1 is at an 'L' level, the switching element Q1 is turned off, the switching elements Q2, Q3 are turned on by a resistance R3, and the charged electric power which has been charged in the C2 is sent out by the switching means 6 via a diode D3 and the filter circuit 5.
Patent JP-H0628307-A (JP)
Title: Bus controller
Inventor: KOBAYASHI AKIRA
IPC: G06F13/36
Filed: 1992-07-06
Abstract: PURPOSE:To provide a bus controller which can attain the interchangeability and the high speed performance of buses regardless of a system of the specific specifications by using means which performs the optional switching of bus interfaces of different specifications such as the standardization and the high speed performance, etc. CONSTITUTION:A bus switching control circuit 2 selects a standardized bus interface or a high speed bus interface. A PI bus basic signal generating circuit 2a produces a PI bus cycle basic signal, and an ISA bus basic signal generating circuit 2b produces an ISA bus cycle basic signal. A memory I/O control circuit 5 outputs an access control signal in response to the bus cycle timing of a PI or ISA bus interface, based on the PI or ISA bus cycle basic signal.
Patent JP-H03217437-A (JP)
Title: Manufacture of expandable bead
Inventor: FURANCHIESUKO ANFUUSO
IPC: C08J9/20
Filed: 1990-07-05
Abstract: PURPOSE: To obtain expandable beads having an expanding agent uniformly dispersed therein, by polymerizing a vinyl aromatic monomer in the presence of poly(phenylene-ether) and compounding the expanding agent with the monomer in a polymn. stage.  
     CONSTITUTION: A phenolic monomer compd. and a vinyl aromatic monomer are mixed and the phenolic monomer compd. is polymerized in the presence of the vinyl aromatic compd. or poly(phenylene-ether) is dissolved in the vinyl aromatic monomer to prepare a soln. of poly(phenylene-ether) in the vinyl aromatic monomer and the vinyl aromatic monomer is polymerized and, at the start time of polymn. or during polymn., 1-30 wt.% of an exponding agent is compounded. The amt. of poly(phenylene-ether) in a suspension is set to 1-50 wt.%, pref., 10-40 wt.%. 
     COPYRIGHT: (C)1991,JPO
Patent JP-2001002725-A (JP)
Title: Ethylene oligomerization catalyst and ethylene oligomerization using the same
Inventor: OGURI MOTOHIRO
IPC: C08F110/02
Filed: 1999-06-24
Abstract: PROBLEM TO BE SOLVED: To obtain the subject catalyst capable of producing in high selectivity an α-olefin useful as a raw material for e.g. plasticizers from ethylene without using aluminoxane and also without increased byproduct polyethylene yield by including a specific chromium complex and an alkylmetallic compound. SOLUTION: This catalyst is obtained by including (A) a chromium complex with a multidentate ligand having a bridge-type or a cyclic structure coordinated on the metallic chromium with a group 15 (except nitrogen) or group 16 element contained in the multidentate ligand and (B) an alkylmetallic compound, wherein, in the component A, it is preferable that the multidentate ligand having the bridge-type structure is a compound of the formula [(g) and (h) are each 0-6; D1 is a (substituted) bivalent hydrocarbon; L1 and L2 are each a substituent containing a group 15 or 16 element], being a facially coordinated chromium complex.
Patent JP-H0629965-A (JP)
Title: Pseudo synchronization prevention circuit
Inventor: HARADA TOSHIFUMI
IPC: H04L7/08
Filed: 1992-07-06
Abstract: PURPOSE:To prevent occurrence of pseudo synchronization by masking other bits than a frame synchronization bit and sending resulting communication data. CONSTITUTION:When no synchronization is established between a synchronization detection section 4 on a sender side and a synchronization detection section 2 on a receiver side in the synchronization transmitter comprising a transmitter 1, the synchronization detection section 2 on the receiver side, and a receiver 3 receiving communication data depending on the frame synchronization established by the receiver side synchronization detection section 2, data other than a frame synchronization bit among communication data outputted from the transmitter 1 are masked and when the synchronization is established by the sender side synchronization detection section 4, the mask is released through the provision of a data mask section 5.
Patent JP-S6240751-A (JP)
Title: Containing method of lead frame
Inventor: WATANABE WATARU
IPC: H01L23/48
Filed: 1985-08-15
Abstract: PURPOSE:To enhance the operating efficiency of an apparatus by laterally moving a set base when filled fully, and making it rise or fall in a reverse direction to that at a lead frame containing time to one frame containing rack to contain the frame on the rack. CONSTITUTION:When lead frames 4a-4n are contained fully in one frame containing rack 2a, a set base 1 is laterally moved as designated by an arrow B, the base 1 is then moved reversely to that at lead frame containing time to the one frame containing rack 2a, and lead frames 5a-5n are contained in other frame containing rack 2b. Accordingly, the moving distance for setting the rack 2b to a frame containing position after the one rack 2a is fully filled can be shortened. Thus, the time required for the movement can be shortened, the loss time of a semiconductor manufacturing apparatus can be shortened to improve the operating efficiency of the entire apparatus.
Patent JP-H05301750-A (JP)
Title: Fly ash composition and production of article from the same
Inventor: MITSUCHIERU ESU RITSUDORU
IPC: C04B28/02
Filed: 1992-07-06
Abstract: PURPOSE: To provide a compact useful for encapsulating construction blocks and hazardous waste materials by compacting the mixture of pozzolan fly ash and bottom ash having a specified mixture ratio under high pressure.  
     CONSTITUTION: The fly ash and the bottom ash are mixed to be 80:20 to 20:80 by weight ratio and water is added to this mixture by about 14 wt.% to the total weight in terms of a dry material. The blended material is fed to a magazine hopper 1 for supplying raw materials to a magazine 2. Next, a blended material 5 is placed in a pressure box 4 by using a magazine ram 3. Next, the material is squeezed in the pressure range of 1,000 to 2,500 psi so that a fly ash brick can be formed. Namely, during the squeezing step, a discharging ram 6 forming the bottom face of the pressure box is lowered from a filling position to a completely pressed position. Next, a squeezing ram 7 moves for squeezing the material and returns to the original position when maximum pressure is achieved. The discharging ram 6 extrudes the created block. 
     COPYRIGHT: (C)1993,JPO
Patent JP-S6422307-A (JP)
Title: Membrane separator
Inventor: HAMADA HIROMI
IPC: B01D61/18
Filed: 1987-07-17
Abstract: PURPOSE:To facilitate the maintenance and inspection of the title separator and to improve workability in cleaning by previously fixing a separation membrane on both sides of a treated liq. passage forming member to form a separation membrane unit, and alternately laminating the unit and a filter disk. CONSTITUTION:A central space 512, a treated liq. inlet opening 518, and a discharge opening 519 are formed by an annular frame 515 and chordal frames 516 and 517 in the treated liq. passage forming member 5, and a separation membrane is fixed on both sides of the member 5 with the use of a check pin to form a separation unit. The filter disk 1 having a central groove region 112 corresponding to the central space 512 and an annular discharge groove 113 surrounding the region 112 and the separation membrane unit are alternately laminated and clamped to form a membrane separator. By such a constitution, the assembling of the separator is simplified, only the separation membrane unit is exchanged to exchange the separation membrane, and the working time can be reduced.
Patent JP-H0470650-A (JP)
Title: Silver halide photographic emulsion
Inventor: TAKIGUCHI HIDEKI
IPC: G03C1/09
Filed: 1990-07-06
Abstract: PURPOSE:To prevent an increase in fogging with lapse of time and the degradation in graininess by subjecting specific silver halide particles to gold sensitization in a chemical maturation stage in the presence of at least one of specific org. gold compds. CONSTITUTION:The silver halide particles in which >= 50 number % of the photosensitive silver halide particles incorporated therein contain >= 60 % silver bromide and which contain at least the silver bromide are subjected to the gold sensitization in the chemical maturation stage in the presence of at least one of the org. gold compds. expressed by formulas I and II. In the formulas I, II, R1 to R3 respectively denote a hydrogen atom or a group which can be substd.; Y denotes an oxygen atom, sulfur atom, selenium atom, tellurium atom or substd. or unsubsted. methylene group. X<-> denotes the ion which offsets and intramolecular charge. The increase in the fogging with lapse of time and the degradaion in the graininess are prevented in this way.
Patent JP-S57103114-A (JP)
Title: Magnetic sheet reader
Inventor: YAMAGATA TAKASHI
IPC: G11B5/48
Filed: 1980-12-19
Abstract: PURPOSE:To return channel switching to a start position by the retaining force of a spring simultaneously with the release of the clamped state of a fixed magnetic sheet, in a sheet recorder which permits a multihead to move forward and backward on a fixed magnetic sheet. CONSTITUTION:When a magnetic sheet is clamped at a prescribed position and a motor 13 is started, a head carriage 7 starts moving along a spiral shaft 17, and a head 22 provided to an uppermost stage performs reproduction starting at the 1st channel of the lowermost stage of the sheet. When the head carriage reaches the right end, a projection piece 11a presses a bracket 35 against a spring 37, and a ratchet wheel 33 winds itself with a coil spring 31. Through the rotation of a rotary shaft 25, a switch for the 2nd channel turns on to perform the forward and backward reproduction of the head. When the sheet is released from being clamped by operating an operation lever, the rotary shaft 25 returns to its original state by the retaining strength of the coil spring 31.
Patent JP-H0465876-A (JP)
Title: Schottky barrier semiconductor device
Inventor: SATO SUSUMU
IPC: H01L29/47
Filed: 1990-07-06
Abstract: PURPOSE:To ensure base width under a guard ring, and keep breakdown strength at a specified value, by making the contact surface of a metal layer forming a Schottky barrier of a semiconductor substrate lower than the surface of the guard ring around the contact surface. CONSTITUTION:The surface of an n-layer 1 with which a Schottky barrier metal layer 4 comes into contact is made lower than the region around the contact part. A p-layer 6 of the guard ring part bridges both step-differences. For example, the n-layer 1 is stacked on an n<+> silicon substrate 2 of high impurity concentration by epitaxial growth method. The impurity concentration of the n-layer is 5X10<15>/cm<2> and the thickness is 6mum. From the surface of the n-layer 1, acceptor impurity ions are selectively implanted, and a guard ring part 6, 3mum deep, doped with acceptor impurity is formed by heat treatment. A window is opened in an oxide film 3 formed on the surface, and an exposed silicon surface is etched as far as the depth which does not reach the diffusion depth of the p-layer 6, by using mixed liquid of hydrofluoric acid, nitric acid and acetic acid.
Patent JP-S6070196-A (JP)
Title: Method and device for electrolytic refining of gold
Inventor: IMAZAWA HIROSHI
IPC: C25C7/04
Filed: 1983-09-26
Abstract: PURPOSE:To enable electrolytic refining of the crude gold powder obtd. from gold- and silver-contg. slime formed in the electrolytic refining of copper without casting the same as an anode plate by placing said powder in the form of powder on an insoluble anode and subjecting the powder to electrolysis. CONSTITUTION:Crude silver is recovered from the slime formed in the stage of electrolytic refining of crude copper and silver is dissolved by an acid treatment to recover the gold in the crude gold silver as crude powder. Crude gold powder 9 is placed on an insoluble anode 2 provided horizontally in an electrolytic cell 1 and an electrolyte of an aq. chloroauric acid soln. contg. free hydrochloric acid is put into the cell 1 and while the powder 9 is agitated by an agitating vane 8, electricity is conducted between the anode and a cathode 5 provided via a toric diaphragm 3. The gold in the powder 9 dissolves and electrodeposits on the cathode 5 by passing through the diaphragm 3. The silver in the crude gold powder is made into silver chloride by the free hydrochloric acid. The silver chloride is discharged together with the electrolyte from a pipe 10 without passing through the diaphragm 3. The crude gold powder is electrolyzed without the need for casting the same to the anode plate and pure gold is electrodeposited on the cathode and is thus recovered.
Patent JP-H08109173-A (JP)
Title: Method of preparing 4-substituted optically active (s)-2-oxazolidinone,new (s)-2-oxazolidinone and new optically active (s)-aminoalcohol
Inventor: ANDOREASU BONMARIUSU
IPC: C07D263/22
Filed: 1995-07-14
Abstract: PROBLEM TO BE SOLVED: To obtain a new optically active (S)-aminoalcohol useful for obtaining a new oxazolidinone advantageous to synthesis of a pharmacologically active substance or an asymmetric synthesis by subjecting a specific α-ketocarboxylic acid to reductive amination by a cofactor-dependent enzyme reaction.  
     SOLUTION: An α-ketocarboxylic acid of formula I (R is a space-occupying branched 5-10C alkyl having at least one tertiary atom) is subjected to reductive amination by a cofactor-dependent enzyme reaction to obtain an optically active L-amino acid of formula II, reducing the resultant optically active L-amino acid by a hydrogen-reducing agent to obtain an optically active (S)-aminoalcohol of formula III. Further, the aminoalcohol of the formula III is acylated at a site of N-atom by using chloroformate and is ringclosed by using a specific amount of a base (preferably NaOH) to obtain the objective 4-substituted optically active (S)-2oxazolidinone of formula IV. 
     COPYRIGHT: (C)1996,JPO
Patent JP-H1116936-A (JP)
Title: Control of discharge gap and wire bonding device using this
Inventor: KUDO TETSUTAKA
IPC: H05B7/152
Filed: 1997-06-20
Abstract: PROBLEM TO BE SOLVED: To correct automatically the amount of a discharge gap between the point of a wire and a discharge electrode so that the amount of the discharge gap is within a prescribed range and to form always uniform and favorable balls by a method wherein the feed rate of the wire is controlled on the basis of the amount of the discharge gap obtained at the time of the feed of the wire for the following bonding. SOLUTION: A discharge gap voltage monitoring circuit 6 takes out a discharge gap voltage between the point of a wire 1 and a discharge electrode 5 directly or in a prescribed form, such as an integrating output, and sends the voltage to a feed rate conversion circuit 8. The circuit 8 finds the feed rate of the wire 1 for giving a prescribed amount of a discharge gap from the voltage and sends the found feed tate to a clamper control circuit 9. The circuit 9 executes an on-off control of a clamper 3 on the basis of a feed rate sent at the time of the feed of the wire for the following bonding. Accordingly, the wire 1 is subjected to feed control so that the amount of the discharge gap between the point of the wire and the electrode 5 is gained at a prescribed value and the amount of the discharge gap is automatically corrected so that the amount of the discharge gap is always obtained at the prescribed value.
Patent JP-H0738931-A (JP)
Title: Translator generating method
Inventor: WATARI TOSHIHIRO
IPC: H04Q3/545
Filed: 1993-07-20
Abstract: PURPOSE:To generate information depending on the physical structure and the internal processing of an exchange without need to pay attention to it and to reduce the job quantity such as generation, revision and check of the translator by comparing a station number described in unitary information with a station number described in individual information and expanding the set information to be a tree structure. CONSTITUTION:Translator information such as accommodation information of telephone numbers or the like is divided into unitary information 1 comprising all pairs of telephone numbers of a minimum digit number required definitely with a called exchange in a specific communication network and station numbers corresponding to an exchange and into individual information 2 comprising station numbers representing a specific exchange. When the translator is generated, the station number described in the unitary information 1 and the station number described in the individual information 2 are compared by a station data generating function 3 to generate station data 4 of the exchange. When the result of comparison indicates a difference, a processing index of outgoing connection is set and when the result of comparison indicates a coincidence, a processing index of own station incoming reception is set automatically.
Patent JP-H0466985-A (JP)
Title: Developing device
Inventor: MURAZAKI HIROSHI
IPC: G03G15/08
Filed: 1990-07-04
Abstract: PURPOSE:To make the supply quantity of toner constant by provided a partition wall at the upper part of a boundary part between a toner storing chamber and a toner replenishing chamber and forming the lower part of the partition wall as an opening part where toner can get in and out. CONSTITUTION:The developer of two-component type consisting of the toner and magnetic carrier is used as developer and stored in a main stirring chamber 11. The developer in the chamber 11 is mixed by a bucket 15 on a periphery based on the rotation of a bucket roll 12 and the toner and the carrier frictionally contact and are electrostatically charged to mutually have reverse polarity. The developer gets over a wall 26 by the carrying action of the bucket 15 and is fed to a concentration detecting part 20, and the developer scooped by the bucket 15 is supplied to the outer periphery part of a cylindrical body 31 in a supply area P. The carried quantity of the developer which is scooped by the bucket 15 is regulated by a 'Mylar(R)' plate 49 provided under the partition 41 and the supply quantity of toner is adjusted to be constant.