baber/WOPTO huggingface dataset:
Patent JP-H09306985-A (JP)
Title: Manufacture of semiconductor device
Inventor: TSUCHIYA YOSHIKO
IPC: H01L21/76
Filed: 1996-05-20
Abstract: PROBLEM TO BE SOLVED: To provide a method for fabricating a semiconductor device which can form an isolation-separating trench whose sidewall is vertical, by preventing a product generated through a reaction between resist and etching gas from attaching onto side walls of a trench as a sidewall protective film. SOLUTION: A polycrystalline silicon film 16, an Si3 N4 film 14 and a pad oxidation film 12 are selectively etched and removed by a reactive ion etching(RIE) process with use of a photoresist film 18 patterned in a shape of an element isolation region as an etching mask, thereby exposing a surface of a single crystal silicon substrate 18 corresponding to a trench formation part 20, the photoresist film 18 is removed, and then a single crystalline silicon substrate 10 and a polycrystalline silicon film 16 of about 250nm thick are simultaneously etched to form a trench 22 of 200nm deep, whose sidewall is etched vertically to the single crystalline silicon substrate 10.
Patent JP-H06329065-A (JP)
Title: Frame cover for motor scooter type vehicle
Inventor: SUZUKI TAKAYUKI
IPC: B62J23/00
Filed: 1993-05-26
Abstract: PURPOSE:To make a part, most subject to damage at the overturning time or the like of a motor scooter type vehicle, removable as a removable part so as to be replaceable in a small range, thereby reducing repair cost and waste. CONSTITUTION:A part most subject to damage at the overturning time or the like of a motor scooter type vehicle 1 is the lower side part of a frame cover 16, that is, the lower edge part corresponding to the nearly middle part of a side lower cover 23. This part is protruded to the side because of covering the lateral parts of an engine 12. This middle lower edge part is made removable as a removable part 24 and has interchangeability as the same shape on either lateral side of a body. In this case, the sliding hook of the removable part 24 is inserted into the side lower cover 23, and the removable part 24 is slid forward (or backward) for positioning, and a machine screw is fastened to a nut.
Patent JP-H06338737-A (JP)
Title: Class 'e' amplifier circuit
Inventor: KUMAGAI YUJI
IPC: H03F3/217
Filed: 1993-05-26
Abstract: PURPOSE:To provide the amplifier circuit which obtains a desired resonance characteristic and has a high circuit efficiency. CONSTITUTION:A coil 2 for high frequency power supply connected between output terminals ends of a high frequency power source 3, an electrodeless discharge lamp 1 which is arranged in the proximity of this coil 2 for high frequency power supply and has discharge gas like inert gas or metallic vapor sealed in a spherical glass bulb, and an impedance matching circuit part 4 which is connected between the high frequency power source 3 and the coil 2 for high frequency power supply and takes impedance matching to reduce the reflection are provided to constitute the circuit. The high frequency power source 3 consists of an oscillating circuit 31, a preamplifier 32 of a class 'C' amplifier circuit, and a main amplifier 33 of a class 'E' amplifier circuit.
Patent JP-H04333587-A (JP)
Title: Method and bath for electroforming and plating platinum or platinum alloy and its electro-formed and plated article
Inventor: KIDA KATSUTSUGU
IPC: C25D1/00
Filed: 1991-04-30
Abstract: PURPOSE:To develop an electroforming bath for platinum or a platinum alloy and to provide an electroforming method and a high-quality electroformed article by using the method. CONSTITUTION:This bath contains 2-100g/l of at least one kind among chloroplatinic acid, an alkali metal salt of chloroplatinic acid, hexahydroxyplatinic acid and an alkali salt of hexahydroxyplatinic acid as platinum and 2-100g/l of an alkali metal hydroxide.
Patent JP-S61283030-A (JP)
Title: Magnetic disk medium
Inventor: HASHIMOTO TOSHIRO
IPC: C09D5/23
Filed: 1985-06-07
Abstract: PURPOSE:To improve the durability, resistance to head clash and S/N of a coated film of the title medium by incorporating two kinds of Al2O3 having respectively different particle diameters into the magnetic coated film in a specified volume ratio. CONSTITUTION:A magnetic paint is obtained by dispersing particles of nonmagnetic alumina in a resin along with gamma-Fe2O3, Co-coated gamma-Fe2O3 powder, Fe-Co alloy powder and Ba ferrite powder. Al2O3 particles having 0.05-0.2mum mean particle diameter and angular Al2O3 particles (having protrusions) are mixed in 19/1-15/5 volume ratio and 0.5-5wt%, based on the total volume of the coated film, mixture is incorporated. Since two kinds of Al2O>=3 particles having respectively different particle diameter are mixed in the above-mentioned ratio and the function of reinforcing the coated film is shared between the two kinds of particles having respective size, the defects of the medium and noise are remarkably reduced. Consequently, a disk coating film having excellent durability, resistance to head clash and S/N is obtained.
Patent JP-H07310550-A (JP)
Title: Gas engine
Inventor: ITO HIKARI
IPC: F02B19/02
Filed: 1994-05-16
Abstract: PURPOSE:To improve fuel consumption and thermal efficiency in a gas engine by supplying optimum gas fuel according to the load and the engine speed to a subchamber. CONSTITUTION:In this gas engine, a sub-chamber structure 3 constituting a sub-chamber 2 is arranged in a cylinder head 7, and the sub-chamber 2 and a main chamber 1 formed on the cylinder 18 side communicate with each other through a communicating hole 30 formed on the sub-chamber structure 3. A communicating hole valve 4 opening/closing the communicating hole 30 is arranged in the communicating hole 30, and a fuel supply port 21 opening to the sub-chamber 2 is formed in the sub-chamber structure 3. A fuel supply valve 5 operated by electromagnetic force in order to supply gas fuel from a gas fuel supply source to the sub-chamber 2 is arranged in the fuel supply port 21. The gas fuel pressure in the sub-chamber 2 is detected by a pressure sensor 6, and a controller 25 controls opening/closing of the fuel supply valve 5 in response to the detected signal of the pressure sensor 6.
Patent JP-H0632937-A (JP)
Title: Method of recovering binder componnet from lacquer sludge
Inventor: BUIIRANTO HOOBUESUTATSUTO
IPC: C09D7/00
Filed: 1993-04-30
Abstract: A process for the recycling of the overspray formed in the spraying of solvent-containing polyurethane paints, by washing the overspray out of the air extracted from the coating plant by means of an aqueous phase containing dissolved or dispersed compounds which are highly reactive towards isocyanate groups, isolating the thus-modified overspray as a paint sludge using coagulants, mixing the paint sludge with solvent, freeing the resultant organic phase from any aqueous phase present and/or from any insoluble constituents present, and recycling the organic constituents dissolved in the organic phase.
Patent JP-H02303781-A (JP)
Title: Load control for horizontal multijoint robot
Inventor: TAKEDA TAKESHI
IPC: B25J9/16
Filed: 1989-05-18
Abstract: PURPOSE:To correct the load weight correctly and speedily by using the supposed load which is determined unconditionally from the quantity of eccentricity of load, angle formed by the line segment connecting the top edge of an arm and the load center of gravity and the arm, angular load quantity, and the length of the arm, as the corrected load weight. CONSTITUTION:The length of the second arm 2 is set to (r), distance from the center O of a turning and raising/lowering shaft at the top edge of the arm 2 is set to L, and the angle formed by the second arm 2 and a line segment OG is set to theta, and the load weight is set to (m), and then the weight M of a supposed load is m(1+(L/r)<2>+(2L/r)costheta). A proper load weight for efficiently operating a horizontal multijoint robot can be corrected speedily and properly by utilizing the supposed load M as corrected load weight. Therefore, the labor of a laborer can be reduced to the necessary min. value.
Patent JP-H01293888-A (JP)
Title: Game apparatus
Inventor: ROI ERU KOOTESHII
IPC: A63D3/00
Filed: 1988-05-21
Abstract: PURPOSE: To provide a multiple number of game players with new and enjoyable games by letting them play games on a table consisting of a polygonal playing section and a horizontal playing surface with a long narrower turn-around section extended externally from the one side of this playing section. CONSTITUTION: The playing surface 8 is on the top of the table body 6, whose side rail 10 is extended around the playing surface. The pocket 12 is arranged at intervals along the edge of the playing surface 8. The playing surface has also a polygonal playing area neighboring to a rectangular turn-around area. The games are preferably played by two persons. The zero ball 24 is placed on a black spot 18, aiming at where the players throw in another ball 22 set on the table toward the zero ball by hand-throwing or rolling it (from the turn-around end 14 of the table) so that they are trying to let the thrown-in ball come to the zero ball as near as possible. The scores are then calculated to determine a winner by checking the balls for nearest to the zero ball. If any ball falls into a pocket, that ball is excluded from the game.
Patent JP-2000314863-A (JP)
Title: Device and method for production of liquid crystal panel
Inventor: SASAKURA AKIRA
IPC: G09F9/00
Filed: 1999-04-30
Abstract: PROBLEM TO BE SOLVED: To prevent reverse electrification of a substrate even when the ion balance is lost due to uneven distribution of ions caused by wear of a discharging part or the like by allowing only the ions necessary for discharging in the ions produced by an ionizer to reach the substrate. SOLUTION: This device is equipped with an ionizer 21 to generate ions by corona discharge and a mesh-type conductive grid electrode plate 7. The grid electrode plate 7 is grounded, and is disposed between the ionizer and a liquid crystal substrate 5 which passes in an ionic atmosphere and disposed parallel to the liquid crystal substrate 5.
Patent JP-H01294967-A (JP)
Title: Ignition control device for internal combustion engine
Inventor: TOMIZAWA NAOMI
IPC: F02P5/15
Filed: 1988-05-24
Abstract: PURPOSE:To enhance the reliability of an ignition control device by delivering a mask pulse signal obtained by masking a detection signal which is delivered from a crank angle sensor, as an ignition signal to an ignition device when an abnormality in the ignition control device is detected. CONSTITUTION:A crank angle sensor A delivers a detection signal every predetermined unit crank angle of an internal combustion engine. An ignition control means B delivers an ignition signal to an ignition device C in accordance with the detection signal devlivered from the crank angle sensor A. Meanwhile, in a predetermined crank angle range in which the detection signal is issued every unit crank angle, a mask signal output means D masks the detection signal so as to deliver a mask pulse signal. When an abnormality in the ignition control means B is detected, a fail-safe means E delivers the mask pulse signal as an ignition signal from the mask signal output means D to the ignition device, substituted for an ignition signal from the ignition control means B.
Patent JP-H05325371-A (JP)
Title: Disk driving device
Inventor: NAGAI TAKUYA
IPC: G11B17/043
Filed: 1992-05-18
Abstract: PURPOSE:To reduce the thickness of the whole of a driving device by obliquely inserting an information recording disk so that the upper surface thereof does not abut on an upper head and the lower surface thereof does not abut on a lower head. CONSTITUTION:The disk driving disk 1 is constituted so that the magnetic disk 11 is obliquely inserted so as to prevent the upper surface of the disk 11 from abutting on the upper magnetic head 9 at a position where the upper and the lower magnetic heads 8 and 9 are placed at the innermost circumference of the disk 11 and to prevent the lower surface of the disk 11 from abutting on the lower magnetic head 8 at a position where the magnetic heads 8 and 9 are placed at the outermost circumference of the disk 11. In such a case, a distance between the shaft tip 87 of a turntable 13 and the head 9 can be made shorter than in the conventional case that the disk cartridge is inserted in parallel. Thus the whole of the disk driving device can be made thinner.
Patent JP-S5248934-A (JP)
Title: Memory unit
Inventor: TANAKA YASUHARU
IPC: G06F1/12
Filed: 1975-10-17
Abstract: PURPOSE: The process action is classified according to the necessity of high-speed process, and the memory block is formed.  The access time of the memory element composing the memory block is suited to the process time.  In this way, matching is obtained between the price and performance of the memory element. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S5749396-A (JP)
Title: Pulse motor driving system
Inventor: ISAKA AKIRA
IPC: H02P8/12
Filed: 1980-09-08
Abstract: PURPOSE:To reduce the power consumption by connecting a high voltage side power source between a low voltage side power source for supplying power and the windings by way of a switching element. CONSTITUTION:When an output signal (d) from a control section 1 opens an AND gates G21-G24, two of transistors Tr1-Tr4 are turned on by a signal from a motor control section 3 to supply power to the winding corresponding to the transistors from a low voltage side power source VL. When the output signal (b) of the control section 1 turns to a high level with the rising of a pulse signal (a) from a clock pulse generation circuit 2, the AND gate G1 is opened and a pulse signal (c) is fed to a motor control circuit 3 and a transistor Tr5 so that the transistor Tr5 is turned on or off synchronizing the driving frequency at which the motor control circuit 3 turns on or off the transistors Tr1-Tr4 sequentially.
Patent JP-S5351499-A (JP)
Title: Production of magnetic bubble element
Inventor: SUZUKI MAKOTO
IPC: H01F41/22
Filed: 1976-10-20
Abstract: PURPOSE:With regard to tip consisting of strong magnetic material film and magnetic bubble material over which the preceling film is spread in order to prevent generation of abnormal bubble, to make its effect secured through high temperature treatment.
Patent JP-H11325864-A (JP)
Title: Rock bed falling prediction device
Inventor: SUENAGA SHUGO
IPC: G01S17/32
Filed: 1998-05-07
Abstract: PROBLEM TO BE SOLVED: To provide a rock bed falling prediction device capable of remotely monitoring a steeply inclined rock bed surface with the possibility of large-scale falling from a spot separated for several hundreds of meters for the prediction/ alarm of a rock bed falling disaster, and highly accurately detecting slight displacement which is the sign of falling and alarming it. SOLUTION: This device is provided with a monitoring means 4 fixed in a safe area, the irradiation means of a laser beam Rt irradiated toward a monitoring object rock bed 2a inside a dangerous area 2 separated from the monitoring means 4 for a prescribed distance, the reception means of a reflected beam Rr from the monitoring object rock bed 2a, the microwave oscillation part 10 of a prescribed wavelength (λ) to the laser beam Rt, a filter means 25 for extracting microwave modulation component signals from the reflected beam Rr, a mixer 15 for synthesizing the output of the filter means 25 and the output of the microwave oscillation part 10, and a level detection means for detecting the displacement within λ/4 of the monitoring object rock bed 2a as the change of a maximum level from the lowest level of the synthetic signals V of the mixer 15.
Patent JP-S6017544-A (JP)
Title: Pseudo fault generation system
Inventor: ISHIBASHI MAMORU
IPC: G06F11/22
Filed: 1983-07-08
Abstract: PURPOSE:To designate optionaly a pseudo fault generation system by insert a pseudo fault into the position indicated by an EIF (error indicator F) selection register into which the contents are written by the program, when an event, which can be a chance of the pseudo fault, is informed. CONSTITUTION:The pseudo fault inserting program on the memory device designates a chance of the pseudo fault. Then, the value, which indicates the event, chance of the pseudo fault for the event designating register, is set. When the same event as the event indicated by the set value is informed from the checking circuit 27, the pseudo fault is inserted into the position indicated by the EIF selection register 25 in which the contents are written by the program.
Patent JP-S62280184-A (JP)
Inventor: TAKEMURA JUNICHI
IPC: B66B23/22
Filed: 1986-05-30
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-S61283676-A (JP)
Title: Method of treating surface of copper plate
Inventor: USAMI MASAHIRO
IPC: C09J5/02
Filed: 1985-06-11
Abstract: PURPOSE:To maintain the bonding of a copper plate for a long period of time, by providing a chromate coating on one side of a copper plate to be bonded to an external plate of a structure to be brought into contact with water, providing a chelate compd. coating thereon and applying a phenolic resin primer on the coating. CONSTITUTION:In bonding a copper plate or a copper alloy plate 1 (hereinafter referred to as 'copper plate') to an external plate 7 of a structure to be brought into contact with water, a formation coating 2 comprising chromate is formed on one side of the copper plate 1 by a formation treatment method. A copper chelate compd. coating 4 is formed on the formation coating 2 by a chelating treatment and a phenolic resin primer is applied thereon to form a coating 3. Separately, the external plate 7 is lined with a water-resistant resin to provide an insulating coating 6. The surface of the primer coating 3 of the surface treated copper plate thus obtained is bonded to the external insulating coating 6 with an adhesive 5 such as acrylic resin.
Patent JP-H02305312-A (JP)
Title: Controller for cooling fan
Inventor: NAITO TAKAO
IPC: F02N19/10
Filed: 1989-05-18
Abstract: PURPOSE:To reduce the operating frequency of a cooling fan by setting a comparison reference value based on the driving control temperature of a cooing fan which is set when the temperature of cooling water is low and driving the cooling fan in accordance with the comparison reference value and a present operation parameter. CONSTITUTION:An ECU 21 constituting the main part of a controller outputs a control signal based on respective input signals from an air compressor switch 20, a car speed sensor 26 and a cooling water temperature sensor 27 to a first control relay RY 1 for connecting a first fan motor to a power supply. At this time, the ECU 21 changes the initial value of the driving temperature of a cooling fan and driving control temperature is set by a means 30, when the temperature of cooling water during start of an engine is lower than a prescribed value. The set driving control temperature is corrected according to the operating state of the cooling fan and a comparison reference value is set by a means 32. Further, whether the cooing fan is driven or not is discriminated by a means 33 based on the set comparison reference value and a present operation parameter.
Patent JP-S62280391-A (JP)
Title: Production of cu foil by electrolysis
Inventor: FURUYA CHOICHI
IPC: C25D1/04
Filed: 1986-05-30
Abstract: PURPOSE:To inhibit the oxidation of formed Cu foil and electrodes and to improve voltage efficiency by using a Cu plating soln. contg. an org. compound and a gas diffusion electrode as the anode and by allowing gaseous CO2 generated on the anode to be absorbed in the anode. CONSTITUTION:A Cu plating soln. 4 contg. an org. compound such as methanol is prepd. and a gas diffusion electrode 3' is formed as the anode by joining a reaction layer 3a consisting of small hydrophilic and water-repellent parts to a water-repellent gas diffusion layer 3b. The plating soln. 4 is poured into an electrolytic cell 1, the anode 3' and the cathode 2 are placed in the cell 1 and electrolysis is carried out. Gaseous CO2 generated by the decomposition of the org. compound is absorbed in the anode 3' and Cu foil 5 is formed on the cathode 2.
Patent JP-S5750410-A (JP)
Title: Micro-coil
Inventor: OOMURA KAORU
IPC: H05K3/28
Filed: 1980-09-11
Abstract: PURPOSE:To enable high performance, high reliability and miniaturization by forming spiral conductor patterns with the conductor width, conductor interval and conductor thickness of predetermined dimensions respectively onto an insulating substrate and shaping magnetic substances to the upper and lower sections of the patterns. CONSTITUTION:The spiral conductor patterns 2 with the 20-200mum conductor width, the 0.5-100mum conductor intervals and the 15-200mum conductor thickness are shaped onto the surfaces such as both surfaces of the insulating substrate 1, and connected by a through-hole 3 so that the directions of currents are made the same. The insulating substrate is coated with adhesives 5 such as an epoxy-nitril rubber group, and the magnetic substance sheets 4 of an iron-nickel alloy, Mn-Zn group ferrite, etc. are bonded on the substrate. The magnetic substance may be applied in a shape that the powdered one is mixed with adhesives or formed through electrolytic plating, etc. A flexible heatproof film such as a polyimide film is preferable as the insulating substrate 1. Accordingly, the small-sized coil having large inductance and small DC resistance is obtained.
Patent JP-S5650421-A (JP)
Title: Initializing device of volatile memory
Inventor: YAMAZAKI GINZOU
IPC: G06F1/00
Filed: 1979-10-01
Abstract: PURPOSE: To initialize the volatile memory independently, by making the controller ready at the initialization completion time in the initializing device of the volatile memory in the memory device where volatile and nonvolatile memories are mixed.  
     CONSTITUTION: Initializing circuit 7 which has received the power source recovery signal gives the address signal and the data signal control signal to initialize volatile memory 4b to controller 4a. The data signal and the address signal are transmitted from controller 4a to volatile memory 4b, and the data signal is stored in the memory position of memory 4b. When this memory operation is performed for the whole of memory 4b to complete initialization, the initialization completion signal is sent from circuit 7 to controller 4a. Here, controller 4a becoms ready and establishes the state where memory 4b and the CPU can transfer data. As a result, memory 4b is initialized through no CPU. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-H09312366-A (JP)
Title: Semiconductor cooling device
Inventor: IDE YUJI
IPC: H02M7/12
Filed: 1996-05-21
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor cooling device which can improve the cooling effect of a snubber diode. SOLUTION: An auxiliary fin 3A is joined with the side of an individual fin 1 to which a gate turn off thyristor is pressure-welded. The snubber diode 4A is additionally provided on the side of the auxiliary fin 3A. An insulating seat is additionally provided on the external sides of the auxiliary fin 3A and the snubber diode 4A and the snubber diode 4A is pressure-welded with the auxiliary fin 3A by both screw studs 19A inserted into a pressure welding rod 5. The internal part of the auxiliary fin 3A is made hollow and it is connected with the individual fin 1. The coolant 14 injected into the individual fin 1 can circulate. A groove can be formed on the inner wall of the auxiliary fin 3A and thermal exchange efficiency with the coolant can be improved.