baber/WOPTO huggingface dataset:
Patent JP-S6362778-A (JP)
Title: Recording material
Inventor: SATOMURA MASATO
IPC: B41M5/333
Filed: 1986-09-03
Abstract: PURPOSE:To provide a recording material having good color developability and preservability, imparting a stable developed color image and containing a specific dye having good solubility, by using a specific compound as an electron donative leuco dye. CONSTITUTION:An electron donative leuco dye is represented by formula (I) (wherein R1-R10 are a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, a substituted amino group or an aryl group and R7 and R8, and R9 and R10 may be bonded to each other to form a ring. R is a 1-20C divalent group and Ar is an aryl group which may be substituted). This electron donative leuco dye is a colorless or light-colored crystal and has high solubility to an org. solvent and, further, forms a blue color upon the contact with an electron acceptive substance. The developed dye is stable and generates almost no discoloration and facing even under long-time light irradiation, heating and humidifying conditions and recording can be preserved over a long period of time.
Patent JP-H0778721-A (JP)
Title: High voltage generator
Inventor: MORIMOTO SADAO
IPC: H01F38/42
Filed: 1993-08-23
Abstract: PURPOSE:To make the automatic assembling work feasible by unit engagement assembling step using the title high voltage generator for cathode tube thereby connecting high voltage lead wire to an insulating case by insertion engagement for eliminating soldering step thereby enhancing the assembling workability to provide said generator securing safety, reliability and eliminating the defective dielectric breakdown at low coat. CONSTITUTION:The title high voltage generator is formed of a holding unit holding a coil unit, conductive rubbers 19, 20, terminal metal fittings 17, 18 as well as various components formed of a high voltage lead wire 10 and a focus block 15 to be unit engagement assembled together with a magnetic core.
Patent JP-S6450362-A (JP)
Title: Anode plate of lead storage battery
Inventor: KASAI KATSUO
IPC: H01M50/541
Filed: 1987-08-20
Abstract: PURPOSE:To upgrade working efficiency and to obtain an anode plate with a collector protrusion lug part little in its forging defect by using a pair of the collector protrusion lug strips made of lead or lead alloy to grip an upper end of a lattice member or one part of its upper side and next by performing pressure molding to form the collector protrusion lug parts. CONSTITUTION:Collector protrusion lug strips 2A made of lead or lead alloy prior to pressure molding are provided with a layer of low-melting-point solder alloy 4 which is lower in its melting point than lead or lead alloy. Coating of a lead or lead alloy layer is performed for anticorrosion due to a sulfuric acid electrolytic solution on a net made of a metal e.g., copper which is smaller in its resistance than lead or lead alloy and besides large in its mechanical strength, or on a net provided with expand-processing so that a lattice matter 1 is formed. An upper end of this lattice matter 1 is gripped by the collector protrusion lug strips 2a and pressure-molded to form a collector protrusion lug part 2.
Patent JP-H0936070-A (JP)
Title: Polishing device of semiconductor wafer
Inventor: IZUMI HIROHIKO
IPC: B24B37/07
Filed: 1995-07-21
Abstract: PROBLEM TO BE SOLVED: To polish a semiconductor wafer with a high throughput and improved reproducibility and uniformity by driving and controlling each arm for moving each head so that the position in radius direction does not change and the arms do not interfere each other on a rotating polishing stand. SOLUTION: A polishing device has a rotary polishing stand 1 and four polishing heads 2 for retaining a semiconductor wafer with recess and projection on a surface and for rotating it, an actuator 4 is provided at the base edge to rock an arm 3 for supporting the polishing head 2 at a loose edge, and a control unit 5 drives and controls the actuator 4, where each head 2 is polished while it is, for example, rocked or slid so that at least the position in radius direction changes on the polishing stand 1 to prevent the arms 3 from interfering with each other. Therefore, semiconductor wafers which are retained at each head 2 are uniformly adjacent on the polishing surface of the polishing stand 1 and a number of wafers can be polished simultaneously.
Patent JP-2001030490-A (JP)
Title: Ink jet recording head and manufacture thereof
Inventor: OWAKI HIRONARI
IPC: B41J2/055
Filed: 1999-07-22
Abstract: PROBLEM TO BE SOLVED: To eliminate a process required for providing a part not subjected to water repellent treatment when a nozzle plate is subjected to water repellent treatment. SOLUTION: In an ink jet recording head comprising a channel unit comprising a nozzle plate 1, a channel substrate 2 and a diaphragm 3, and a case 4 for holding a piezoelectric oscillator, reference parts are provided individually when a channel unit is set and when the case is bonded to the channel unit. Diameter of a reference hole when the case of the nozzle plate is bonded to the channel unit is set larger than the diameter of a reference pin 6 and a process required for providing a part not subjected to water repellent treatment on the nozzle plate can be eliminated by performing surface treatment up to the inner wall of the reference hole.
Patent JP-H0878470-A (JP)
Title: Semiconductor device
Inventor: HORASAWA TAKAYASU
IPC: H01L21/312
Filed: 1994-09-01
Abstract: PURPOSE: To protect a semiconductor substrate against damage due to the pressure of a bonding tool by interposing a stress buffering film between a part on a semiconductor substrate where the lead wire of an AI electrode is bonded and an insulating film on the surface of the semiconductor substrate. CONSTITUTION: A stress buffering film is interposed between a part on a semiconductor substrate 1 where the lead wire of an AI electrode 4 is bonded and an insulating film on the surface of the semiconductor substrate 1. Preferably, the stress buffering film is an oxide film 71 or a resin film. For example, PSG is deposited on a silicon substrate 1 to obtain an insulating film 2 and a buffer oxide 71 is deposited thereon. The buffer oxide 71 is removed by selective etching except the part for forming a pad part to be bonded with the lead wire of AT electrode. Subsequently, an AI electrode film 4 is deposited and patterned followed by deposition of a passivation film, i.e. a nitride 5. Finally, the nitride 5 is etched selectively only on the pad part of the AI electrode 4 thus exposing the AI electrode 4.
Patent JP-H0931027-A (JP)
Title: Optically active compound having perfluoroalkyl group, liquid crystal composition and liquid crystal display element
Inventor: ISOZAKI TADAAKI
IPC: C07C69/92
Filed: 1995-07-24
Abstract: PROBLEM TO BE SOLVED: To obtain a new optically active compound having a stable antiferroelectric phase, a large spontanious polarization in ferroelectric phase induced in electrical field and not reducing the antiferroelectric character of the antiferroelectric composition when this compound is added to the composition. SOLUTION: This compound is an optically active compound of formula I (R<1> is a 1-18C alkyl; R<2> is CF3 or CH3 ; W is a single bond, -O-, -COO-, -OCO-, -OCOO-: X, Y, Z are each single bond, -COO-, -CH2 O-, -C≡C- etc.; ring A, ring B, ring C and ring D are each 1,4-phenylene, trans-1,4-cyclohexylene which may include 1 or 2 F atoms; k and r are each 1 or 0; m is an integer of 0-6; n is an integer of 2-12; * is an asymmetric carbon with absolute configuration of R and S), for example the compound of formula II. The compound of formula I can be produced by carrying out the reaction of the corresponding carboxylic acid of formula II with the corresponding alcohol using a dehydrative condensing agent. The compound of formula I is used as a component to give a composition useful for antiferroelectric liquid crystal display element.
Patent JP-S58109385-A (JP)
Inventor: YAMAOKA KAZUO
IPC: B66C13/44
Filed: 1981-12-23
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-H0875602-A (JP)
Title: Flicker component measuring apparatus
Inventor: INOUE MASAMI
IPC: G01J1/44
Filed: 1994-09-01
Abstract: PURPOSE: To digitally measure a flicker component by appropriating a measuring instrument used in conventional apparatuses, to prevent a readout error by a measuring operator from being generated, to prevent a yes/no decision from being undecided and to reduce labor and costs which are related to a develop ment in a flicker-component measuring apparatus which measures a flicker component with reference to a required frequency in a liquid-crystal device. CONSTITUTION: A fllcker-component measuring apparatus comprises a light- receiving part 2 which is arranged so as to face the display face of a liquid- crystal device, and it is provided with an illuminometer 4 which outputs an analog signal which has been converted photoelectrically by the light-receiving part 2. In addition, the flicker-component measuring apparatus is provided with a flicker component device 5 in which a band-pass filter 8 pulling out only a designated frequency component and an A/D conversion circuit 11 converting a filter output into a digital signal are comprised.
Patent JP-H0255874-A (JP)
Title: Piston for internal combustion engine
Inventor: MIZUMURA SAKAE
IPC: F02P3/00
Filed: 1988-08-22
Abstract: PURPOSE:To facilitate the forming of a piston with the degree of freedom as well as to make its strength upping, lightweightiness and cooling efficiency improvement all promotable by installing a pair of boss parts on the back of a top plating part by means of opposed configuration. CONSTITUTION:A side part of a piston consists of a pair of boss parts 2 oppositely set up at the backside of a top plating part 1 and a pair of skirt parts 3 oppositely set up so as to cause both ends to be adjoined each to these boss parts 2. Here the boss parts 2 are erected pairwise nearer to the center of the backside of the top plating part 1, and the facing part 4 is entered inward as far as a size l away from the end face of a land part 1a forming an outer circumferential part of the top plating part 1. In addition a pin hole 5 is formed as piercing through both these boss parts 2, and a space 6 is formed between these boss parts 2. With this constitution, an internal form of the piston is formable with one mold. Moreover, the degree of freedom for forming by means of casting and forging is well increased. In addition, the boss parts 2 are erected nearer to the center, where by the skirt parts 3 are made into discontinuity so that lightweightiness can be well promoted.
Patent JP-2000015479-A (JP)
Title: Solder alloy and mounting method of electronic part
Inventor: TANAKA YOSHIAKI
IPC: B23K35/26
Filed: 1998-07-07
Abstract: PROBLEM TO BE SOLVED: To obtain lead-free solder capable of joining an electroless Ni-plated surface with excellent initial strength and thermal fatigue strength by composing the solder of a specified weight ratio of Cu, Pt and the balance Sn. SOLUTION: This solder alloy is composed of, by weight, 0.1-3.0% Cu, 0.05-2.0% Pt and the balance Sn. The solder alloy is preferably composed of total 100 weight part of 0.1-3.0 Cu, 0.05-2.0% Pt and the balance Sn and 0.3 weight part of P or B, and mainly composed of Sn to which at least one kind of Ag, Au, Bi, In, Sb, Zn is added instead of Sn, if necessary. An electroless Ni-plated surface is capable of soldering with excellent initial joining strength and an excellent thermal fatigue property guaranteed in spite of P and B being eutectic in the plated film. Moreover, since a liquids line temperature of the solder alloy is controlled at <=250 deg.C, for example, an electroless Ni-plated BAG or CSP is excellently mounted by a bump system using a reflow method.
Patent JP-2001032995-A (JP)
Title: Mixing valve and oil/air lubricator using it
Inventor: GESHI YASUO
IPC: F16N7/32
Filed: 1999-07-23
Abstract: PROBLEM TO BE SOLVED: To reduce the amount of oil each time carried after mixed with compressed air to be the amount of oil each time discharged from a constant discharge valve. SOLUTION: Oil intermittently discharged from a constant discharge valve 22a is parted into a plurality of oil parting passages 22c. Each parted oil is reduced in discharge amount as oil to be mixed with compressed air and changed into a continuous flow in each oil/air passage 22g with the operation of the compressed air and carried to a corresponding oil/air exit.
Patent JP-2001030575-A (JP)
Title: Method for controlling power source
Inventor: NONAKA YASUHIRO
IPC: B41J2/44
Filed: 1999-07-23
Abstract: PROBLEM TO BE SOLVED: To provide a method for controlling a power consumption when a laser printer sleeps. SOLUTION: An image processing controller 2 detects via a printing engine controller 3 a factor necessary for releasing a sleep state in a printing engine. In addition, the controller directly detects the factor without the engine controller 3. Moreover, a partial circuit power cutoff or reduction circuit can be directly controlled including an operation stop due to a printing engine controller power cutoff or low consumption power function in the printing engine without the printing engine controller 3.
Patent JP-H0491130-A (JP)
Title: Curable resin solution composition, production thereof and protecting film for electronic part
Inventor: OKINOSHIMA HIROSHIGE
IPC: C09D179/08
Filed: 1990-08-06
Abstract: PURPOSE:To obtain the title composition useful as protecting films for electronic parts, having low viscosity and excellent storage stability by dissolving a specific curable resin in an organic solvent. CONSTITUTION:A polyimide shown by formula I (X is bifunctional organic group; Y is aromatic ring-containing tetrafunctional organic group; n is >=1) is reacted with a silicone compound shown by formula II (R<1> and R<2> are 1-10C (substituted) monofunctional hydrocarbon; R<3> is aliphatic ring- or aromatic ring-containing trifunctional organic group; m is 1-3) in a molar ratio of (compound shown by formula II/compound shown by formula I) of 1.9-2.1 in an organic solvent (e.g. THF) to give the objective composition wherein 5-40% curable resin shown by formula III is dissolved in the organic solvent and exists. The polyimide shown by formula I is obtained by reacting a tetracarboxylic acid dianhydride shown by formula IV with a diamine shown by formula V to give a polyamic acid shown by formula VI (n is >=1) and dehydrating the polyamic acid.
Patent JP-H04249869-A (JP)
Title: Electrochemical battery
Inventor: YOHAN KOOTSUAA
IPC: H01M10/39
Filed: 1991-05-16
Abstract: PURPOSE: To make it easy to change a battery capacity owing to increase of a design flexibility by constructing a vertical lamination layer defining as a cathode space, an inter-anode-holder space having therein activation material for an anode and being communicated with a reservoir through a passage. CONSTITUTION: A car-body housing 12 is provided with an anode holder formed with an envelope 16 for every space defined by an electric current collector 48 as well as a spacer 38, and the envelop 16 is communicated with a reservoir 18 and activation material 40 for an anode through a passage 39. The space defined by the collector 48 and the like is filled with the cathode 14 and serves as a cathode space. According to this vertical lamination structure, the newly invented electrochemical battery is provided which is capable of easily changing a battery capacity just dependent on the change of a housing shape, and the number of envelopes of standard type components owing to increase of a design flexibility.
Patent JP-H0659996-A (JP)
Title: Information processor
Inventor: MORI HIROSHI
IPC: H04B10/278
Filed: 1992-08-05
Abstract: PURPOSE:To attain simultaneous and bidirectional inter-processor communication using a common optical communication line by controlling the polarized state of an optical signal including transmission data to another state. CONSTITUTION:This information processor is provided with plural processors 100 to 104 for individually and separately executing information processing, plural optical buses 110, 120, 130, 140, 150 connected to the respective processors 100 to 104 and optical communication lines 111, 112, 121, 131 for hierarchically connecting the respective buses 110, 120, 130, 140 150. The optical buses 110, 120, 130, 140, 150 and the lines 111, 112, 131 have structure for transmitting an optical signal while maintaining respective planes of polarization and each of the processors 101 to 104 is provided with an electro-optical conversion circuit E/O and a photoelectric conversion circuit O/E as an optical transmitting/ receiving means for transmitting/receiving optical signals between other processors and a polarized light discriminating control circuit PCONT as a means for setting up the polarized direction of an optical signal transmitted/ received by the optical transmitting/receiving means.
Patent JP-S6364210-A (JP)
Inventor: KOJIMA MITSUHIRO
IPC: F21V21/36
Filed: 1986-09-05
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-S6366211-A (JP)
Title: Dihydroxyl group-containing condensible macromonomer
Inventor: KURIYAMA AKIRA
IPC: C08F2/48
Filed: 1986-09-05
Abstract: PURPOSE:To obtain the titled macromonomer, by photopolymerizing a mercaptohydroxyl compound and a vinyl monomer, having a specific structural formula and useful as an intermediate for comb-shaped polymers capable of functioning as an adhesion imparting agent, etc. CONSTITUTION:A dihydroxyl group-containing condensible macromonomer expressed by formula III (n is 1-10,000) obtained by photopolymerizing a mercaptohydroxyl compound expressed by formula I (R1, R2 and R3 are 1-4C alkylene; R4 is H or 1-4C alkyl), e.g. 1-mercapto-1,1-methanediol, etc., and a vinylic monomer expressed by formula II (R5 is H or methyl; X is alkyloxycarbonyl), e.g. ethyl acrylate, etc. The amount of the mercaptohydroxyl group-containing compound used is 0.01-10pts.wt. based on 100pts.wt. vinylic monomer. The macromonomer is readily obtained at a low cost.
Patent JP-H1054562-A (JP)
Title: Gas type convection oven
Inventor: MUROZONO TADATOSHI
IPC: F24C1/00
Filed: 1996-08-08
Abstract: PROBLEM TO BE SOLVED: To provide a gas type convection oven which achieves a lower running cost with a higher combustion efficiency. SOLUTION: This apparatus has a freely openable/closable door 10 provided on the front, a gas combustion chamber with a gas burner, a hot air guide box 25 to guide high temperature air generated in the combustion chamber to a baking chamber 16, an operation panel 15 to control the temperature of the baking chamber or the like, a plurality of racks arranged inside an oven body, an air fun arranged in the hot air guide box 25 at an innermost end inside the oven body and a control section to control the gas burner and the air fan. This accomplishes delicate baking with a higher combustion efficiency while lowering a running cost.
Patent JP-2001030229-A (JP)
Title: Consecutive preparation of ready-mixed concrete preventing production of cement-containing washing waste water, and stabilizer and hardening accelerator used for the preparation
Inventor: BABA FUMIO
IPC: C04B111/00
Filed: 1999-07-23
Abstract: PROBLEM TO BE SOLVED: To reduce sharply or prevent completely the production of cement-containing wastes caused by preparation of concrete in a plant and thereby to attain preservation of the global environment, the effective use of resources and improvement of the working efficiency. SOLUTION: This method for consecutive preparation of ready-mixed concrete which prevents production of cement-containing washing waste water comprises one or two or more serial processes wherein after the ready-mixed concrete conveyed from a ready-mixed concrete plant is unloaded at the site of work, mortar and/or a residue of concrete sticking to a ready-mixed concrete car is washed quickly with water of a prescribed quantity and a washing liquid thus obtained is stored in the car and returned to the plant, and wherein fresh ready-mixed concrete kneaded with water in the quantity obtained by subtracting the quantity equivalent to the water of the prescribed quantity from the quantity of water to be added essentially is then loaded quickly in the car and conveyed again to the site of work by the car, being mixed with the washing liquid.
Patent JP-H0260084-A (JP)
Title: Crate-type electric foot warmer
Inventor: KOIZUMI HIDEYO
IPC: H05B3/00
Filed: 1988-08-24
Abstract: PURPOSE:To simplify a process by installing a lead wire sensor and a low pass filter and giving a signal of a current flow to a heater section when an output voltage of the low pass filter exceeds a preset voltage. CONSTITUTION:When the feet, etc., of a human body are placed under the lower portion of a heater section 25 and move, the static electricity charged in the human body also moves with the movements of the feet with the result that the charge of a lead wire sensor 11 moves and a voltage is generated. Then, concurrently generated noise signals of high and low frequency components are removed by a capacitor C and LPF 12, and only a voltage which corresponds to the movements of the feet is conducted to an amplifier circuit 13 to be amplified. An output of a circuit 13 operates for approx. 15 minutes as set through a compare section 14, and is inputted in a timer circuit constituted such that retrigger is available. An output of a circuit 15 is transmitted to a heater control circuit 16 to control the heater section 25. Thereby, it is possible to simplify the constitution of the sensor.
Patent JP-S6188396-A (JP)
Inventor: OUCHI KOJI
IPC: G08B17/00
Filed: 1984-10-08
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-H1055895-A (JP)
Title: Electrostatic discharging body and vacuum cleaner using it
Inventor: YOSHIDA RYOHEI
IPC: H05F3/04
Filed: 1996-08-08
Abstract: PROBLEM TO BE SOLVED: To discharge the static electricity charged in a metal part to the atmospheric air so as to surely eliminate the static electricity by fitting a felt, which is formed of conductive short fibers, to a metal part, which is charged with static electricity, so as to be electrically connected. SOLUTION: One end of a hose 2 is connected to a suction port 1a of a main body 1, and an extension pipe 3 made of metal such as aluminium and iron is connected to the other end of the hose 2. A floor nozzle 4 is connected to a tip of the extension pipe 3 for use, and a felt 5 is fitted on the extension pipe 3 like a ring so that the felt 5 directly contacts with the extension pipe 3 made of metal for electrical connection. The felt 5 is formed of conductive short fibers, and at the time of sucking dust from a surface to be cleaned, the extension pipe 3 made of metal is charged by the static electricity generated by the friction so as to raise the electrical potential.  Electrical potential of the felt 5 rises at the same time, and when the electrical potential achieves the predetermined value, an end of the conductive short fiber forming the felt 5, which is directed to the atmospheric air, shows the effect for discharging static electricity so as to discharge the static electricity to the atmospheric air.