baber/WOPTO huggingface dataset:
Patent JP-S61136241-A (JP)
Title: Manufacture of semiconductor device
Inventor: MISHIMA KAZUNOBU
IPC: H01L21/76
Filed: 1984-12-07
Abstract: PURPOSE:To form an element forming region with accurate dimension on a semiconductor substrate by a method wherein a semiconductor device is constituted to offset a pattern conversion difference by means of bird's beaks produced by selective oxidation. CONSTITUTION:A polycrystalline silicon film 4 is selectively oxidized utilizing the second nitride film 5 as a mask to form an oxide silicon film 7. At this time, a bird's beak 8 is formed in the lateral direction. Next the second nitride film mask 5, an oxide silicon mask 6, the polycrystalline silicon film 4 are removed and then the first nitride film 3 and another oxide silicon film 2 are anisotropically etched utilizing the oxide silicon film 7 and the bird's beak 8 as masks and after removing the oxide silicon film 7 by etching process, a silicon substrate 1 is selectively heat-oxidized utilizing the first nitride film 3 as a mask to form a field oxide film 10. At this time, another bird's beak 11 extends in the lateral direction to be offset by the other bird's beak 8 forming the oxide film 10 on the field region with the dimension similar to that of the second nitride silicon film mask 5.
Patent JP-H04137694-A (JP)
Title: Manufacture of multilayer wiring board
Inventor: MATSUDA YOICHI
IPC: H05K3/46
Filed: 1990-09-28
Abstract: PURPOSE:To facilitate boring work or the like and obtain a multilayer wiring board with a wide area by using a single-sided copper clad resin laminated board as a board. CONSTITUTION:A single-sided resin laminated board clad with copper foil 3 on a single side of an insulation resin laminated board 2 is used as a board 1. A copper clad 3 portion, which is not covered, is removed by an etching solution where an etching resist is further removed, thereby forming a first wiring conductor 4. An insulation layer 5 including a platinum element is formed on the surface of the first wiring conductor 4 and the insulation resin laminated board 2. On the surface is laminated a resin layer 6. After the formation of the resin layer 6, a hole 17 which penetrate the board 1 is installed therein. A plating resist layer 8 is formed on a spot which excludes the formation of a second insulator on the surface of the resin layer 6. The resin layer 6 which is not covered with the plating resist layer 8, is surface-roughened. After the surface roughening, it is electroless copper-plated, thereby forming a second wiring conductor 9, which is connected with the first wiring conductor 4.
Patent JP-H02104138-A (JP)
Title: Automatic gain control amplifier
Inventor: MATSUNAMI MASAHITO
IPC: H04B3/04
Filed: 1988-10-13
Abstract: PURPOSE:To shorten a period generating amplitude distortion by clamping the output of an error amplifier for a fixed short time at the time of inputting an input signal so that the gain of a variable gain amplifier goes a maximum value or a value close to the maximum value, and simultaneously changing voltage impressed to both the ends of a capacitor. CONSTITUTION:The variable gain amplifier 13 is constituted of a variable attenuator 15 having characteristics increasing an attenuation level when a control voltage applied from an error amplifier 19 is positively high or reducing the attenuation level when the control voltage is low and an amplifier 16. A serial connection body consisting of the 1st and 2nd capacitors 23, 24 is connected as a negative feedback circuit of the error amplifier 19 in parallel with a resistor 22. At the time of inputting an input signal, the output of the error amplifier 19 is clamped so that the gain of the variable gain amplifier 13 is maximized or goes to a value close to the maximum value for the fixed time and the potential of a contact between the 1st and 2nd capacitors 23, 24 is changed in the direction increasing the gain of the amplifier 13 during almost the same time. Consequently, amplification whose amplitude distortion generating period is extremely short can be attained.
Patent JP-H09101123-A (JP)
Title: Wrong article inspection method for engine bracket
Inventor: FUKUNAGA FUMIAKI
IPC: G06T7/00
Filed: 1995-10-04
Abstract: PROBLEM TO BE SOLVED: To judge the appearance of an engine bracket so as to inspect articles to find a wrong article even if the kind and the shape of the engine bracket changes by dividing an image pickup screen into small areas, and measuring the feature amounts of respective images so as to detect its change amount. SOLUTION: An engine bracket 10 is picked up from a predetermined direction by a CCD camera 7, and a bracket image pickup screen F is divided into plural small areas F1, F2,...F56 by an image processing device 8. The change amounts of feature amounts (area and peripheral lengths) among small areas, for instance, when a small area F9 is noted, among the same and adjoining above and below, and left and right small areas F2, F16, F8, F10, that is, respective area differences and respective peripheral length differences among the small area F9 and its peripheral small areas F2, F16, F8, F10 are detected. When the differences are input to a personal computer 9 so as to fuzzy-infer by centroid computation, the difference between the detection value thereof and a predetermined reference value is computed.
Patent JP-S63109770-A (JP)
Title: Cellulase-producing medium
Inventor: ITO SUSUMU
IPC: C12N1/20
Filed: 1986-10-29
Abstract: PURPOSE:To provide a medium containing a non-cellulosic carbon compound as a carbon source, capable of improving the cellulase-productivity of a cellulase-producing microorganism and giving cellulase useful as an additive for detergent composition for clothes at a low cost. CONSTITUTION:The objective medium is produced by compounding preferably 1-4wt% non-cellulosic carbon compound (e.g. sucrose, fructose, etc.) as a carbon source and generally an assimilable nitrogen source (e.g. meat extract), an inorganic salt (e.g. KH2PO4), an organic and inorganic minor nutrient sources, etc.
Patent JP-S63114586-A (JP)
Title: Braking of 3-phase dc brushless motor
Inventor: AKAMI AKIRA
IPC: H02P6/24
Filed: 1986-10-29
Abstract: PURPOSE:To permit the braking of the title motor by a simple control circuit, by a method wherein electric current, having a phase delaying from the phase of the current under the rotation of a rotor by a predetermined electric angle, is conducted through the stator coils of respective phases. CONSTITUTION:Electric current is supplied from an inverter circuit 29 to the coils 11, 13, 15 of the respective phases of a 3-phase brushless motor. The inverter circuit 20 is provided with PNP transistors 35, 37, 39 and NPN transistors 41, 43, 45 while these transistors are controlled by signals from terminals 65-67, 71-73 through inverters 68-70, 74-76. Upon braking, electric currents, having phases delayed from the phases of currents under the rotation of the rotor by the electric angle of 120 deg., are supplied to the stator coils 11, 13, 15 of respective phases.
Patent JP-H1182308-A (JP)
Title: Method of increasing air pressure, and low-pressure and high-pressure air compressor
Inventor: FUKUHARA HIROSHI
IPC: F04B39/16
Filed: 1997-09-08
Abstract: PROBLEM TO BE SOLVED: To generate high-pressure compressed air without generating pulses in a high-pressure air tank by storing the compressed air compressed by an air compressor in a high-pressure air tank through a booster valve, and on the other hand, supplying air from the high-pressure air tank to the booster valve. SOLUTION: When an air compressor main body 45 is operated by an electric motor 46, compressed air is generated, and this compressed air is stored in a sub tank 72, and supplied to a booster valve 61. Pressure of the compressed air stored in the sub tank 72 is increased by the booster valve 61, and stored in a high-pressure air tank 31A. Compressed air is supplied from the high- pressure air tank 31A to the booster valve 61 by a supplying circuit 34 and a regulator 81. The compressed air inside the high-pressure air tank 31A is taken out as a high-pressure compressed air through a valve (b) 13 and a high- pressure single-operation coupling socket 13A, or as a low-pressure compressed air with the compressed air from the air compressor main body 45 through a valve (a) 12 and a low-pressure one-operation coupling socket 12A.
Patent JP-S63114988-A (JP)
Title: Production of ceric salt solution
Inventor: SUGISHIMA NOBORU
IPC: C25B1/00
Filed: 1986-10-31
Abstract: PURPOSE:To easily produce a highly concd. ceric salt soln. at a low cost by using a sulfuric acid soln. contg. cerous nitrate as an anolyte and an electrolyte soln. as a catholyte and by carrying out electrolytic oxidation with an ion exchange membrane as a diaphragm. CONSTITUTION:An electrolytic cell 6 is divided into anode and cathode chambers with an ion exchange membrane 1. An anolyte made of a sulfuric acid soln. contg. cerous nitrate in an anolyte tank 4 is fed to the anode chamber and a catholyte made of an electrolyte soln. in a catholyte tank 5 to the cathode chamber. While the solns. are circulated, electric current is supplied between anode 2 and cathode 3 to electrolytically oxidize cerous ions. The proper concns. of cerium and sulfuric acid in the anolyte are 0.1-10mol/l and 0.2-5mol/l, respectively. A soln. of an electrolyte such as nitric acid or sulfuric acid is used as the catholyte. A durable cation or anion exchange membrane contg. fluorine or a combination of such cation and anion exchange membranes is suitable for use as the ion exchange membrane 1.
Patent JP-S62117519-A (JP)
Inventor: NAKANISHI TADASHI
IPC: A47L9/00
Filed: 1985-11-18
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-S62118008-A (JP)
Title: Labyrinth sealing device
Inventor: ASAZU SEIICHI
IPC: F01D11/04
Filed: 1985-11-18
Abstract: PURPOSE:To prevent exciting force from occurring, by installing a steam inflow passage in one side part of a labyrinth seal member of a stem turbine, and also installing an outflow port in a direction toward the upstream side of a seal chamber. CONSTITUTION:A labyrinth seal member 8 is installed in a casing 5 of a steam turbine. Plural seal fines 10 are additionally installed on an inner circumferential surface of this member 8, partitioning off a seal chamber 9. A steam inflow passage 12 is installed in one side part of the member 8, while an outflow port 13 is set up in a direction toward the upstream side of the seal chamber 9. With this constitution, such exciting force that is produced by a steam whirl phenomenon is preventable.
Patent JP-2001086263-A (JP)
Title: Method for connecting computer to communication line using network modem for extension telephone line
Inventor: KAWASHIRO YASUAKI
IPC: H04M3/00
Filed: 1999-09-13
Abstract: PROBLEM TO BE SOLVED: To use a network modem, even for an extension telephone line and to use the network modem for calls except for the time of a network connection by setting the receiving priority of an extension telephone to be higher than a receiving side computer, turning the extension telephone into a connected state corresponding to a call from the side of transmission and switching the connection to the receiving side computer later. SOLUTION: An operator who operates a transmission side computer 1 connects the telephone line from a telephone set connected to a modem 2 to an operator who operates a receiving side computer 10 by a call so that the call can be transferred and connected from a telephone line 5, which receives a call from a general public telephone line 4 through an extension telephone line 6 to an extension telephone set 8, on which high receiving priority is set. The transmission side operator switches the telephone line connected by a call from the call to modem communication, and, on the receiving side, after confirming that the call has been switched to the modem communication at the transmission side, the line is switched to the side of a network modem.
Patent JP-H09102541-A (JP)
Title: Semiconductor device and its manufacture
Inventor: MAEKAWA KAZUYOSHI
IPC: H01L23/522
Filed: 1995-10-05
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor device in which a second conductive layer formed above an insulating layer is buried in an improved state in a connecting hole formed through the insulating layer to electrically connect the second conductive layer to a first conductive layer formed under the insulating layer. SOLUTION: After a first conductor 2 and an insulating layer 3 are successively formed on a semiconductor element 1 and an insulating layer 3 is formed on the conductor 2, a connecting hole 4 having an opening angle θ of 85-100 deg. is formed through the insulation layer 3 and a barrier layer 5 is formed on the surface of the insulating layer 3 and on the bottom 4b of the hole 4. Then, after a second conductive layer 6 is formed on the barrier layer 5 so as to cover the hole 4, the hole 4 is filled with the layer 6 by applying a high pressure to the layer 6 while the layer 6 is heated to a high temperature and a reflection preventing film 9 is formed on the layer 6.
Patent JP-H06106363-A (JP)
Title: Method and device for detecting voltage between tips of resistance welding machine
Inventor: FUJII KOJI
IPC: B23K11/25
Filed: 1992-09-29
Abstract: PURPOSE:To obviate shortage of the number of pieces of detection data and difficulty of application to an inverter power source in the method and device to detect the voltage between tips used at the time of monitoring the welding quality of resistance welding. CONSTITUTION:The induced voltage VA, the voltage VB between tips where the induced voltage VA is superimposed and the respective voltages VAO and VBO at a point of time of rising of a welding current are fetched in sample and hold circuits 9 and 10, the ratio of VAO to VBO fetched in a division circuit 11 is obtained, gain adjustment of the induced voltage VA is carried out in a multiplication circuit 12 by the output of the division circuit 11 corresponding to the ratio, the output of the multiplication circuit 12 and the voltage VB are inputted to a differential amplifier circuit 13 and the voltage between tips which is the difference of both inputs is obtained.
Patent JP-S61137006-A (JP)
Title: Range finder in camera
Inventor: KAWABATA KAZUNARI
IPC: G01C3/08
Filed: 1984-12-07
Abstract: PURPOSE:To enhance range finding accuracy, by providing light receiving elements so as to arrange the same almost along the straight line connecting the focal point of the return light from the nearest point possible to photograph and that of the return light from the remotest point where infrared rays can reach. CONSTITUTION:A point 9 is focal point of rays passing through a light receiving lens 4 among return rays of infrared rays allowed to irradiate the subject present at the nearest point 7 while a point 10 is that of rays passing through the light receiving lens 4 among return rays of infrared rays allowed to irradiate the subject present at the remotest point 8. The light receiving surfaces of light receiving element 6 are arranged on the straight line connecting both focal points 9, 10 in a line.
Patent JP-H0891223-A (JP)
Title: Dolly
Inventor: OCHIAI KOZO
IPC: B62B5/04
Filed: 1994-09-27
Abstract: PURPOSE: To move the dolly light-heartedly with an easy posture maintained by releasing brake equipment after a cargo has been rested on a base plate with casters braked by the brake equipment, and moving the dolly by pulling a handle engaged with a support piece. CONSTITUTION: Four casters 10 are mounted on a base plate 1 on which a cargo is rested, at each area close to the four corners of its bottom surface. Besides, a support piece 7 for mounting a handle 15, which can lock a ring shaped locking piece 18 at the tip end section of the handle 15 when the dolly is to be moved, is formed at the forward end center section of the base plate 1. Moreover, brake equipment 11 is installed on the bottom surface of the base plate 1 in such a way that an operation lever 12 is extruded outward out of the outer circumferential section of the base plate 1, and is used in selecting an interception of the rotation of the caster 10 or its continuous rotation.  After a cargo 20 has been rested over the base plate 1 with the caster 10 braked by the brake equipment 11, the brake equipment 11 is then relased, the handle 15 is locked on the support piece 7, and the dolly 19 is thereby moved.
Patent JP-H0596212-A (JP)
Title: Atomizer
Inventor: ASOU TOMOMICHI
IPC: B05B7/06
Filed: 1991-10-07
Abstract: PURPOSE:To perform both atomization of atomized particles and uniformization of particle diameter in relation to an atomizer for atomizing liquid. CONSTITUTION:An atomizer is constituted of a liquid nozzle 3, a gas injection port 11 provided oppositely to the liquid injection port 8 of this liquid nozzle 3 and an opposite gas injection port 12 provided oppositely to the liquid nozzle 3. Since high-speed air flow is formed in the outside and the inside of a liquid film injected as a hollow conical liquid film 14 from the liquid injection port 8, atomization is promoted and liquid can be atomized as very small uniform particles. Controlling width of atomization amount can be enlarged.
Patent JP-H09104915-A (JP)
Title: Refractory lining of rh degassing chamber
Inventor: GOTO KIYOSHI
IPC: C21C7/10
Filed: 1995-10-05
Abstract: PROBLEM TO BE SOLVED: To obtain the refractory linings of an RH degassing chamber having a long life. SOLUTION: The refractory linings of the RH degassing chamber are formed by lining part or the whole of the chamber with magnesia carbon bricks having <=5mm thickness of the oxidation decarburized layers after exposure for four hours in an atm. atmosphere of 1400 deg.C or the refractory linings of the RH degassing chamber are formed by lining part or the whole of the chamber with magnesia carbon bricks formed by covering the >=1 surfaces of the bricks with metallic plates or metallic foil.
Patent JP-S63113198-A (JP)
Title: Blower
Inventor: ISHIKAWA HARUO
IPC: F04D17/04
Filed: 1986-10-30
Abstract: PURPOSE:To reduce a noise by making the number of irregularities at the end of a stabilizer correspond to the number of cross flow fans arranged in series and making the convexes agree to the position of a fan side. CONSTITUTION:The number of concaves and convexes at an irregular part 10 formed on the end of a stabilizer 3 is made equal to the number of cross flow fans 2 arranged in series. And the convex is made to agree to the position of the side of the fans 2. The irregular part 10 is made of concaves 10a and convexes 10b continuous to each other and having a circular arc shape. According to the aforesaid constitution, a noise generated when a blade passes the stabilizer 3 can be reduced without any drop in air quantity.
Patent JP-2000075198-A (JP)
Title: Device provided with function of detecting line-of-sight
Inventor: YOSHIDA TOMOKAZU
IPC: G03B7/28
Filed: 1998-08-31
Abstract: PROBLEM TO BE SOLVED: To select an information detection area just as the operator intends, even in the case the operator's line-of-sight is detected in a position slightly deviated from an information detecting area to be rightfully selected, because of the fine vibration of the operator's eye. SOLUTION: As for the device provided with plural information detecting areas and plural line-of-sight detecting areas including respective information detecting areas in an image plane, and for executing a prescribed operation based on a signal obtained in the information detecting area included in the line-of-sight detecting area selected out of the plural line-of-sight detecting areas by a line-of-sight detecting means, the device is provided with an area calculating means for obtaining effective areas 20b1 to 20b3 as for the positions closely observed by the operator in the image plane whenever the line-of-sight is detected by the line-of-sight detecting means, and calculating the close- observation overlapping area where all of plural close-observation effective areas overlap each other, and then,  selecting the area included in the line-of-sight detecting area including the aforesaid close-observation overlapping area as the information detecting area.
Patent JP-2000075131-A (JP)
Title: Optical compensating sheet, its production and sin liquid crystal display device
Inventor: OGAWA MASATAKA
IPC: G02F1/1337
Filed: 1998-08-28
Abstract: PROBLEM TO BE SOLVED: To obtain an optical compensating sheet in which discotic liquid crystal molecules are aligned along the vertical and uniform direction and which is suitable for a STN liquid crystal display device, by activating the alignment function of an alignment film by irradiation of light in single direction and allowing an optically anisotropic layer to contain discotic liquid crystal molecules aligned at a specified range of average tilt angle. SOLUTION: This optical compensating sheet 2 arranged under a liquid crystal cell 1 consists of a vertical alignment film 22 and an optical anisotropic layer 21 formed in this order on a transparent substrate 23. For the optical anisotropic layer 21, discotic liquid crystal molecules 21a to 21e are aligned and fixed in this aligned state. The aligning direction of the alignment film 22 is activated by irradiation of light in single direction, and the discotic liquid crystal molecules 21a to 21e in the optical anisotropic layer 21 are aligned at 50 to 90 degrees average tilt angle. The alignment film 22 preferably contains polymide or polyamic acid containing hydrocarbon groups having >=10 carbon atoms.
Patent JP-H10100007-A (JP)
Title: Chuck adapter for lathe and lathe
Inventor: YOSHIDA FUKUZO
IPC: B23B31/10
Filed: 1996-09-30
Abstract: PROBLEM TO BE SOLVED: To provide an adapter which can make a chuck of the other type when it is mounted on a chuck mounted on a lathe. SOLUTION: This is a chuck adapter removably mounted on the end of the work-holding side of a chuck mounted on a lathe 2 and has a space which allows a first soft jaw 62 mounted on the end of the work-holding side of the chuck to move and a soft jaw holder 40 for holding a second soft jaw 61 which grips the work in cooperation with the first soft jaw 62.
Patent JP-H01101606-A (JP)
Title: Powder permanent magnet and manufacture thereof
Inventor: YAJIMA KOICHI
IPC: H01F1/08
Filed: 1987-10-14
Abstract: PURPOSE:To obtain the title permanent magnet having high coercive force, a high energy product, a high orientational direction, excellent magnetizational characteristics and a corrosion-resisting property by a method wherein the ratio of the residual magnetization in the direction of orientation and the residual magnetization in the direction vertical to the orientational direction is specifically set. CONSTITUTION:The composition of RxT100-x-y-zByMz (provided that R contains one or more kinds of rare-earth elements containing Y, T contains Fe or Co of 5.5<=x<=11.76, 2<=y<=15, z<=10, and M contains at least one or more kinds of Ti, V, Cr, Zr, Nb, Mo, Hf, Ta and W) is obtained, and the ratio Br/Br' is set at 1:1 or above. As a result, high residual magnetization, high coercive force, a high energy product, a high degree of orientational direction, excellent magnetizational characteristics and a corrosion-resisting property can be obtained.