baber/WOPTO huggingface dataset:
Patent JP-S61120511-A (JP)
Title: Surface acoustic wave device
Inventor: MATSUI ATSUSHI
IPC: H03H3/08
Filed: 1984-11-15
Abstract: PURPOSE:To eliminate characteristic deterioration due to a ripple and the distortion of a wave front by providing an earth electrode in such a shape as to compensate the distortion of the wave front between the input and output electrodes of a surface acoustic wave device used for video equipment of television, etc., communication equipment, etc., without using any dummy electrode. CONSTITUTION:The earth electrode 14 which is so shaped as to compensate the distortion of a wave front due to the apodization of the weighting electrode 12 of the input electrode 15 is provided in the acoustic surface wave propagation path between the input and output electrodes 15 and 16 provided on a piezoelectric substrate 11. The shape of the earth electrode 14 is considered in the direction of electrode fingers of the weighting electrode 12 and its vertical direction, and the length of a part to which an electrode where a surface acoustic wave is passed is calculated to find the width of each earth electrode 134 so that the calculated length is equal; and calculated widths are summed up to determine the shape. Consequently, the determined earth electrode 14 compensate the distortion of the wave front due to the absence of the dummy electrode, so that the wave reaches the output electrode 16 while having the wave front put in order.
Patent JP-H0798249-A (JP)
Title: Optical receiver
Inventor: NODA TAKATOSHI
IPC: H04B10/40
Filed: 1993-09-28
Abstract: PURPOSE:To provide an optical receiver which has a sufficiently high sensitivity of a photosignal detection circuit and can obtain a sufficient frequency band. CONSTITUTION:An electric signal converted by a photodetector 11 is amplified by an amplification circuit 12. Current flowing through the photodetector 11 is detected by a photosignal detection circuit 13, and its detection output is fed to a start circuit 14. The start circuit 14 outputs an operation signal to a power source circuit 15 when a detection output is input from the photosignal detection circuit 13. The power source circuit 15 feeds source voltage to the amplification circuit 12 and a predetermined bias voltage to the photodetector 11. A reset circuit 16 detects the amplitude level of an output signal of the amplification circuit 12; in case of no output of a signal with an amplitude of a predetermined level or more from the amplification circuit 12, the reset circuit judges that a photosignal is not input and stops the output operation of an operation signal from the start circuit 14.
Patent JP-S6397727-A (JP)
Title: Underground vibration-insulating wall
Inventor: WAKAMATSU SEIJI
IPC: E02D31/08
Filed: 1986-10-13
Abstract: PURPOSE:To raise the effect of vibration prevention by providing mutually facing walls between a vibration source and an object to be protected from vibration and also providing vibration insulators of a columnar form to support the walls. CONSTITUTION:Two walls 2 are provided in the ground 1 through which vibration is transmitted and vibration insulators (bars) 3 are set between the walls 2. An upper cover 4 is also provided at the level of the ground's surface 4A between the walls 2. A vibration source 10 is provided on the opposite position to an object 20 to be protected from vibration. Vibration from the source 10 is transmitted to the first wall 2 and the insulators 3 having compressive rigidity and small bending rigidity and further to the object 20 through the second wall 2 are the ground 1. Vibration-preventing effect against S waves (shearing waves) and P waves (volume waves) can thus be raised by giving the compressibility enough to withstand the pressure of the ground 1 and also by reducing bending rigidity as much as possible without producing buckling.
Patent JP-H1160612-A (JP)
Title: Enlargemeny of particle of synthetic rubber latex
Inventor: HAGIWARA KATSUO
IPC: C08L21/02
Filed: 1997-08-25
Abstract: PROBLEM TO BE SOLVED: To control the increase in the viscosity of a synthetic rubber latex after particle diameter enlargement, minimize the occurrence of agglomerates during processing, and reduce the proportion of synthetic rubber latex particles having unenlarged particle diameters by adding a specified acid-modified copolymer latex to a synthetic rubber latex. SOLUTION: An acid-modified copolymer latex is obtained by copolymerizing 10-50 pts.wt. monomer mixture comprising 10-60 wt.% monomer (A) containing acidic groups, 10-90 wt.% conjugated diene monomer (B) and 0-80 wt.% monomer (C) copolymerizable therewith in the presence of a polymer latex produced by polymerizing 50-90 pts.wt. monomer mixture comprising 0.1-20 wt.%, preferably 1-10 wt.% monomer A, 10-90 wt.%, preferably 20-60 wt.% monomer B and 0-89.9 wt.%, preferably 30-79 wt.% monomer C. The acid-modified copolymer latex in an amount of 0.01-10 pts.wt. (on a solid content basis) is added to a synthetic rubber latex in an amount of 100 pts.wt. (on a solid content basis).
Patent JP-S6483976-A (JP)
Title: Magnetic fluid seal device
Inventor: SATO TAKAKORE
IPC: F16J15/40
Filed: 1987-09-25
Abstract: PURPOSE:To enable sealing performance to be maintained for a long period of time by providing magnetic fluid between a shaft and pole pieces, and by so constituting that the pole pieces are made of a porous magnetic material and are impregnated with oily liquid of magnetic fluid. CONSTITUTION:The magnetic flux produced by a permanent magnet 1 constitutes a magnetic circuit passing through one side of pole pieces 2, a rotating body 7, the other side of the pole pieces 2, and the permanent magnet 1, and a magnetic fluid 3 having been composed by mixing magnetic powder into liquid such as ether oil and hydrocarbon oil is arranged between the rotating body 7 and pole pieces 2 so as to be trapped by magnetic flux, so that the rotating shaft can be perfectly sealed. And, the pole pieces 2 are made up of a porous magnetic material, into which oily liquid of the magnetic fluid 3 is impregnated so as to enable the replenishment of oily liquid. Thus, while the oily liquid of magnetic fluid 3 decreases during long use, it permeates through the pole pieces 2, enabling sealing performance to be maintained for a long period of time.
Patent JP-H0798376-A (JP)
Title: On-vehicle radar device
Inventor: YAMADA YUKINORI
IPC: G01S13/34
Filed: 1993-09-28
Abstract: PURPOSE:To detect that a preceding vehicle enters a curve by judging its travel state based on the continuous detection period of a stationary body when a radar device detects both a moving body and the stationary body. CONSTITUTION:A radar means 1 recognizes a preceding vehicle as an object when a travel road is a straight road. When a new object is detected in front of a vehicle in addition to the preceding vehicle, the change is detected by a multi-object discriminating means 2. When the radar means 1 detects a stationary body, the relative speed of the vehicle against the stationary body is equal to the vehicle speed detected by a vehicle speed sensor 3. An object characteristic judging means 4 judges whether each object is a moving body or a stationary body. When the counts by a stationary body counting means 5 are continued for a prescribed period, a travel state judging means 6 judges the detection of both the moving body and the stationary body by the radar means 1 as the entering of the preceding vehicle into a curve. The vehicle is judged to approach the curve.
Patent JP-2000077429-A (JP)
Title: Manufacture of semiconductor device
Inventor: ONO ATSUKI
IPC: H01L21/265
Filed: 1998-08-27
Abstract: PROBLEM TO BE SOLVED: To manufacture shallow pockets adaptable to a microscopic device. SOLUTION: In a method of manufacturing a semiconductor device, which forms source and drain regions 7 using a dummy gate electrode 40 and thereafter, the electrode 40 is removed to form a gate electrode, and after the electrode 40 is removed, an ion implantation for forming regions 52 of a pocket structure is performed so that an angle implantation 521 using a step implantation is performed in a groove, where the electrode 40 existed.
Patent JP-2001064604-A (JP)
Title: Treating method of electrical component and adhesive tape for masking
Inventor: FURUTA YOSHIHISA
IPC: C09J183/04
Filed: 1999-08-27
Abstract: PROBLEM TO BE SOLVED: To provide a treating method of masking an electric contact point with a tape and capable of sufficiently securing electroconductivity of the electric contact point even when paste remains on the contact point by including an electroconductive filler in the adhesive layer of a masking tape. SOLUTION: This method comprises protecting an electric contact point by attaching a masking adhesive tape in treatment of an electrical component having the electric contact point wherein the masking adhesive tape has an adhesive layer containing an electroconductive filler at least in the surface. For instance, in the case of semiconductor device production, an adhesive tape 2 containing an electroconductive filler at least in the surface of the adhesive layer is attached to the rear of a tape carrier body 1. Then, an IC device 31 and the inner contact point of a terminal 11 are bonded each other, the IC device is sealed with a sealing agent 34, the adhesive tape is peeled and, at the end, a solder bump 35 is fixed at the outer contact point of the terminal 11.
Patent JP-2000078542-A (JP)
Title: System for transmitting tv voice multiplex signal
Inventor: USUI SHUJI
IPC: H04N5/60
Filed: 1998-08-27
Abstract: PROBLEM TO BE SOLVED: To obtain a system which is advantageous in the cost and prevents the deterioration of sound quality by directly AD-converting a TV voice multiplex signal through the use of a specified clock, digitally transmitting it, DA- converting it at a reception side and obtaining the TV voice multiplex signal. SOLUTION: The output of a tuner 2 is supplied to LPF 50 and a video signal demodulator 51. In a video signal (g) demodulated by a video signal demodulator 51, a complex synchronizing signal is separated by a synchronizing signal separator 52 and a horizontal synchronizing signal (h) is added to a sampling signal generator 53. The generator 53 oscillates a frequency being eight times as large as the horizontal synchronizing signal (h) and supplies it to an AD converter 54. The voice multiplex signal which passes through LPF 50 is directly digitized with the AD converter 54. In the meantime, at the reception side, the output of a digital demodulator 11 is supplied to a DA- converter 55 and a clock generator 56. The clock generator 56 oscillates the eight times frequency being the same as that of a transmission side and supplies the clock to the DA-converter 55.
Patent JP-H0799116-A (JP)
Title: Multilayer ceramic electronic component, and its manufacture
Inventor: NAKAO KEIICHI
IPC: H01F17/03
Filed: 1993-09-29
Abstract: PURPOSE:To provide a multilayer ceramic electronic component which achieves further downsizing and high yield rate by optimizing the shape of the via at an interlayer connection, in a multilayer ceramic electronic component where an inductor component used for each kind of electric apparatus or its composite components are downsized and made high-performance. CONSTITUTION:An inner electrode 15 is connected to an outer electrode 16 through a taper via 12 having a taper 13. In case of a multilayer ceramic electronic component like this, the crack occurrence by the shrinkage at baking can be prevented by forming the taper 13, and the inner electrode and the outer electrode can be connected more securely with each other.
Patent JP-H08127669-A (JP)
Title: Microcell-impregnated composite form and its production
Inventor: FUKAHORI YOSHIHIDE
IPC: C08J9/26
Filed: 1995-08-28
Abstract: PURPOSE: To obtain a microcell-impregnated composite form excellent in the ability to hold the functional material and the sustained releasability of the material, thus useful in the areas of inks, perfumes and medicinal ingredients, etc., by including a functional material liquid or solid at normal temperatures in a specific microporous form. CONSTITUTION: This composite form is obtained by including in (A) a microporous form produced by mixing (AI) a thermoplastic block copolymer bearing crystalline ethylene block(s)(CEB) at one or both ends with (AII) a low-molecular material such as paraffin oil followed by removing the component AII and constituted of threedimensional continuous netty skeleton 1∼10μm in the average diameter (d) of a skeleton 1 and <=80μm in the average diameter D of a cell 2 (B) a functional material liquid or solid at normal temperatures. It is preferable that the component AI be prepared by binding 5-70wt.% of CEB 40 deg.C in melting point to one or both ends of a noncrystalline copolymer such as a noncrystalline ethylene-butylene copolymer or a block copolymer composed of noncrystalline ethylene-butylene block and noncrystalline styrene block.
Patent JP-H03103951-A (JP)
Title: Memory patrol control system
Inventor: KAWANISHI KIYOSHI
IPC: G06F12/16
Filed: 1989-09-19
Abstract: PURPOSE:To avoide a memory patrol to an unnecessary address by not executing the patrol at the time when data of a patrol address is registered in a buffer memory. CONSTITUTION:The write control of a main storage device 111 and a buffer memory 113 is performed in the swap system, and data is written in the buffer memory 113 in accordance with the occurrence of write, and data in the buffer memory 113 is transferred and written in the main storage device 111 when the data is the substitution object. The memory patrol for error correction is performed in the main storage device 111. A memory patrol control means 121 instructs the patrol to the address which is not registered in the buffer memory 113. Thus, the patrol to an unnecessary address is avoided.
Patent JP-2000103656-A (JP)
Title: Burner for treatment of steel-making waste
Inventor: MIWA MAMORU
IPC: F27D17/00
Filed: 1999-08-30
Abstract: PROBLEM TO BE SOLVED: To permit the dust that is regarded as a steel-making waste as well as an industrial waste and the reducing slag that is similarly regarded as a steel-making waste as well as an industrial waste to be utilized effectively at the same time. SOLUTION: This burner for treating steel-making waste has the fuel-feeding hole 5a that is opened at the center of the forefront face, the primary oxygen- feeding slit 5b that is annularly opened on the outside of the fuel-feeding hole 5a, the dust and reducing slag feeding holes 5d that is composed of a plurality of elliptically shaped, long hole 5c that are opened in an annular arrangement on the outside of the primary oxygen-feeding slit 5b and the secondary oxygen feeding holes 5f that are composed of a plurality of round holes 5e that are annularly opened on the outside of the dust and reducing slag-feeding holes 5d.
Patent JP-H03107653-A (JP)
Title: Speed change gear
Inventor: NAKAYAMA ZENJIRO
IPC: F16H3/74
Filed: 1989-09-19
Abstract: PURPOSE:To change transmission gear ratio without any gear change by regularly connecting route L to transmit a fixed rotation proportional to the rotation of an input shaft, and changing the transmitted number of rotation by the operation of a brake in route R, in a power transmitting route which conducts resynthesis to form an output through differential devices dispersed in two L and R routes. CONSTITUTION:The rotation of an input shaft A is dispersed and transmitted to two routes of route L for transmitting the rotation to a gear (n3) through gears (a), (b) and route R for transmitting the rotation to a gear (n4) through gears (c), (d), (n1), and synthesized in a differential device E, and the resulting rotation is transmitted to an output gear (f). When a brake device D is loosen, and the rotation of the gear (n2) of a differential device B is laid in free state, all the rotation and power of the shaft A are transmitted through the regularly connected route L, and the rotation of the gear (f) is formed of only the rotation transmitted from the route L through the device E, so that the number of rotation is low. When the device D is gradually actuated to decelerate the rotation of the gear (n2), the rotation of the equal quantity to this is transmitted to the route R, and synthesized with that from the L route, and the number of rotation of the gear (f) is increased.
Patent JP-H07106292-A (JP)
Title: Cleaning equipment of semiconductor wafer
Inventor: MURATA YOSHIHISA
IPC: H01L21/304
Filed: 1993-09-29
Abstract: PURPOSE:To improve irradiation efficiency of ultrasonic waves, and realize high speed, high efficiency, and high degree of cleaning, when a semiconductor wafer is subjected to liquid phase cleaning. CONSTITUTION:The title equipment consists of the following; a plurality of (eight) cylindrical cleaning tanks 1 on a concentric circumference which dip wafers 3 one by one and wash them, a wafer retainer 2 which can rotate around the center of the circumference as the rotary shaft and retains a plurality of (eight) wafers 3 arranged on the concentric circumference plane of the rotary shaft, a rotation.elevation equipment of the wafer retainer 2 which rotates the wafer retainer 2 and dips the wafers 3 in cleaning liquid 4, and a plurality of (four) ultrasonic oscillators 5 installed on the outer bottom parts of the respective cleaning tanks 1.
Patent JP-H1092987-A (JP)
Title: Cooling structure for semiconductor device
Inventor: ODAJIMA SATOSHI
IPC: H01L23/373
Filed: 1996-09-13
Abstract: PROBLEM TO BE SOLVED: To obtain a small cooling structure for semiconductor device in which cooling efficiency is enhanced through a simple structure by disposing a substance having a thermal transition point in a specified range with respect to the heat withstanding temperature of a semiconductor device such that the substance touches the semiconductor device directly or indirectly. SOLUTION: An aluminum bottomless frame 2 is bonded onto the upper surface of a semiconductor device 1 and a molten transition substance 3 is fed into the frame 2 and solidified and then an aluminum cover 4 is applied onto the frame 2 thus enclosing the frame 2. The transition substance 3 has a thermal transition point t( deg.C) in the range of T-50<=t<=T with respect to the heat withstanding temperature T( deg.C) of the semiconductor device 1. Inexpensive and easy-to-handle naphthalene is preferably employed as the transition substance 3. According to the structure, a small and simple cooler can be realized and a device incorporating the cooler can be reduced in overall size, weight and cost and the operational reliability of a semiconductor device can be enhanced.
Patent JP-H1089272-A (JP)
Title: Air flow control device
Inventor: KOGA MOTOYUKI
IPC: F04C18/18
Filed: 1996-09-13
Abstract: PROBLEM TO BE SOLVED: To provide an air flow control device to cope with a plurality of works through simple constitution without the increasing the size of equipment. SOLUTION: An air flow control device comprises a bypass passage 12 communicated with the suction port 11A and the discharge port 11B of a rotary volume type compressor 11 and arranged astride a compressor 11 body; a ventilation passage 13 having an end part communicated with a part of the bypass passage 12 and released to the atmosphere and incorporating a muffler 17: a first direction switching valve 14 arranged in a coupling position between the bypass passage 12 and the suction port side 11A and selecting a first mode wherein the muffler 17 side and the suction port 11A side are intercommunicated through the bypass passage 12 and a second mode wherein the suction port 11A side and a suction part positioned at the outside are intercommunicated;  and a second direction switch valve 15 arranged in a coupling position between the bypass passage 12 and the discharge port 11B side and a first mode wherein the discharge port 11B and a discharge part positioned at the outside are intercommunicated and a second mode wherein the discharge port 11B and the bypass passage 12 are intercommunicated. The first and second switching valves 14 and 15 are capable of selecting a mode according to a working content.
Patent JP-S62104925-A (JP)
Title: Production of pitch fiber
Inventor: OKAJIMA TAIZO
IPC: C10C3/02
Filed: 1985-10-30
Abstract: PURPOSE:The starting pitch is converted into the meso form, solidified, then the solid pitch is dried down to a specific moisture content, and melted again and extruded into fibers whereby spinning operations are stabilized and yarn break at heat treatment can be prevented. CONSTITUTION:Starting pitch is heat-treated to form a spinning pitch containing more than 40%, preferably more than 70% of optically anisotropic texture and solidified. Then, the pitch is dried until the moisture content becomes less than 1,500ppm, preferably less than 300ppm, then melted again and subjected to melt-spinning. The drying is effected by passing a dried, inert gas from the bottom of silo or hopper in which the solid pitch is stored.
Patent JP-H1160922-A (JP)
Title: Thermoplastic polyester-based resin composition
Inventor: FURUMIYA YUKIATSU
IPC: B29B17/04
Filed: 1997-08-25
Abstract: PROBLEM TO BE SOLVED: To obtain the subject composition excellent in heat resistance, mechanical strength and impact resistance, and useful as a molding material or pallet by melt blending of a ground thermoplastic polyester resin molded product with specific multilayer-structured polymer particles. SOLUTION: This composition is obtained by melting 100 pts.wt. of a ground product (e.g. flaky ground product 1-50 mm in average size and 50-2,000 μm in average thickness) of a thermoplastic polyester resin molded product (e.g. PET bottles) followed by compounding the melt with 1-30 (pref. 2-30) pts.wt. of multilayer-structured polymer particles with a hard layer as the outermost layer (e.g. polymer layer >=25 deg.C in glass transition temperature) and a rubber layer inside (e.g. acrylic rubber polymer layer <=25 deg.C in glass transition temperature) (pref. 0.02-2 μm in size containing 20-95 wt.% of the rubber layer) and then conducting a melt blending at e.g. 240-300 deg.C.
Patent JP-H1158232-A (JP)
Title: Dressing tool and manufacture thereof
Inventor: SUZUKI NARIKAZU
IPC: B24B53/00
Filed: 1997-08-26
Abstract: PROBLEM TO BE SOLVED: To prevent any heavy metal contamination of a silicon wafer from occurring by forming a lot of pits on the surface of a silicon base material, while covering these pits with a diamond coating. SOLUTION: A roughened surface 3 is formed on one side of a silicon base material 2 with an abrasive of rough grains by lapping or honing work or the like. This roughened surface 3 is subjected to a chemical process, for example, an alkali etching process as well as a selective etching process, whereby a lot of deep inverse pyramidal pits 4 are formed in the roughened surface 3. A surface (pit forming surface) formed with many pits 4 is covered with a diamond coating 5, and surface hardening of this pit forming surface is carried out, whereby a dressing tool 1 is manufactured. Thus, since the integrally formed pits 4 is covered with the diamond coating 5, not electrodeposition of diamond abrasive grains, any metal contamination will not occur in a polished member such as a silicon wafer or the like.
Patent JP-S60200964-A (JP)
Inventor: UIRIAMU UORUTAA BURAUN JIYUNIA
IPC: C23C14/50
Filed: 1984-11-20
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。