baber/WOPTO huggingface dataset:
Patent JP-H07133164-A (JP)
Title: Joining method of ceramic and silicon
Inventor: MINAMI NOBUYUKI
IPC: H01L23/12
Filed: 1993-11-04
Abstract: PURPOSE:To obtain a joined body which is simply and strongly joined and has the strength which withstands the temp. of >=1000 deg.C by joining the surface of the active metal layer formed at the joint surface of ceramic and a heat- treated silicon surface with a metallic material. CONSTITUTION:The film of the active metal such as titanium is formed on the non-oxide material-based ceramic such as silicon nitride and carbon nitride in an Ar atmosphere of order of 5X10<-3>Torr by a sputtering method to form the active metal layer of a titanium film having 1000-3000Angstrom  thickness, then, the film is subjected to a heat treatment at 800-1200 deg.C in vacuum to form TiN or TiC at the boundary of the non-oxidized ceramic and the titanium film. An opposite silicon is subjected to the heat treatment at about 1150 deg.C in a carbon atmosphere and its surface is converted into SiC, and the metallic plate consisting of gold or gold-nickel is inserted between the non-oxide ceramic and the titanium film, and is subjected to a heat joining at 1063 deg.C (m.p. of gold)-1150 deg.C in the case of a pure gold and at 1020-1100 deg.C in the case of a gold-nickel.
Patent JP-H06152299-A (JP)
Title: Surface acoustic wave device
Inventor: MATSUDA TAKASHI
IPC: H03H9/145
Filed: 1992-11-09
Abstract: PURPOSE:To provide the required frequency characteristic concerning the surface acoustic wave device applicable to RF(high frequency) signal processing of compact movable radio equipments such as car telephones and portable telephone sets. CONSTITUTION:The cycle of comb-like electrodes 12a of a serial resonator 12 is formed by a value (2.8mum) which can be produced by an electron beam exposure device without dispersion. The width of a protection film 12b is formed by a value (170Angstrom ) different from the film width (2000Angstrom ) of a protection film 13b of a parallel resonator 13. The resonance frequency of the serial resonator 12 is made to coincide with the anti-resonant frequency of the parallel resonator 13 and the band-pass filter characteristic can be obtained.
Patent JP-H03159889-A (JP)
Title: Lightweight bicycle with high specific rigidity
Inventor: YAMAKI HIDENORI
IPC: B22D19/14
Filed: 1989-11-16
Abstract: PURPOSE:To increase the specific strength and rigidity and make the construction in light weight by forming a frame from a seamless pipe, which consists of Al alloy reinforced with SiC wiskers and has a small wall thickness and a certain specific rigidity. CONSTITUTION:Pipes 2-4 and stays 6, 7 constituting a frame 1 of bicycle are formed from a seamless pipe made of a composite material as Al alloy reinforced with SiC wiskers. This composite material is prepared by mixing approx. 10-25vol.% SiC wiskers with Al alloy powder as matrix, and the resultant is subjected to shaping with hot press, etc., followed by pressurized sintering, in which the SiC wiskers shall be uniformly distributed in one direction. Therein the wall thickness of the seamless pipe shall be no more than 1.4mm and its specific rigidity be over 4000X10<6>mm. This constitution allows achieving a lightweight construction equipped with enhanced specific strength and rigidity.
Patent JP-H11134091-A (JP)
Title: Keyboard and information processor using the same
Inventor: ONUKI TAKASHI
IPC: G06F3/02
Filed: 1997-10-30
Abstract: PROBLEM TO BE SOLVED: To attain miniaturization in the height direction of a keyboard with reduced height of the keyboard when using no key top by arranging a slide member, which is movable in the forward/backward moving direction of a motion supporting point, on the keyboard body and providing this slide member with a pantograph motion supporting point supporting part for the respective pantograph supporting point supporting members of the keyboard body. SOLUTION: A keyboard body 7 has a base member 8, a slide member 9 and first pantograph supporting point supporting part 10. On the base member 8, a fixed pantograph supporting point supporting part 10a of the first pantograph supporting point supporting part 10 is projected. On the slide member 9, a movable pantograph supporting point supporting part 10b of the first pantograph supporting point supporting part 10 is projected. Thus, movement between a keyboard service position and a keyboard non-service position is enabled. Therefore, when no key top is used, the key top can be located at the lowest position.
Patent JP-H02147813-A (JP)
Title: Biaxial star sensor
Inventor: YAMADA MITSURU
IPC: G01C1/00
Filed: 1988-11-29
Abstract: PURPOSE:To realize a sensor with which information of starts in two directions can be obtained by respectively fitting freely openable/closeable shutters to buffles directed in two directions and providing a half mirror. CONSTITUTION:Freely operable/closeable shutters 9 and 10 are respectively fitted to buffles directed in two directions and a half mirror 11 which transmits the star light from one buffle, but reflects the star light from the other buffle is provided. Accordingly, the rays of light of stars made incident on each buffles 7 and 8 can be projected on one image pickup element 13. Therefore, for instance, the start light from one direction is blocked by closing the shutter incorporated in the buffle 7 and the other shutter 10 is opened. Then the star light from the buffle 8 incorporating the opened shutter 10 is made incident and the intensity and position of the start are detected by means of an image pickup element 13, with the data obtained by means of the element 13 being processed at an electronic circuit section 3. Then the opened and closed states of the shutters 9 and 10 are changed and similar processes are performed. When such processes are alternately performed and stars in two directions are identified, the attitude of an artificial satellite can be decided.
Patent JP-2000132677-A (JP)
Title: Picture processing method
Inventor: MATSUMURA KENICHI
IPC: G06T7/00
Filed: 1998-10-21
Abstract: PROBLEM TO BE SOLVED: To make presumable a white line with high reliability when the white line cannot be detected when it rains by detecting the road width of a road area from a picture which an image pickup means picks up and presuming the white line which is not detected yet from a road end line presumed from the road width and a road design parameter. SOLUTION: The right road width 101 and the left road width 102 of a road area 100 can be detected from a picture by the picture processing of a picture processor. The pictures of white lines 103 and 104 on the road are not clear and detection is failed. White lines 105 and 106 are presumed from the right and left road widths 101 and 102 and a road design parameter. In the road design parameter, a condition expression on the design of the road is used. Namely, numeric values on an interval between the white lines, an interval between the road end and the white line and the width of the white line are decided as the specification of the road. The numeric values are used for the presuming parameter of the white line. Road end lines 107 and 108 are presumed from the road widths 101 and 102.
Patent JP-2000128606-A (JP)
Title: Paving material and pavement
Inventor: MAEDA NAOKI
IPC: E01C11/06
Filed: 1998-10-21
Abstract: PROBLEM TO BE SOLVED: To obtain a surface texture similar to an interlocking block by composing a paving material of an ultra high-early-strength cement mortal obtained by mixing a specific amount of a spherical lightweight fine aggregate having a specified specific gravity in saturated surface-dry condition, water-absorption and grain size. SOLUTION: The surface texture similar to an interlocking block is obtained by using a paving material with a mixed spherical lightweight fine aggregate shown below in a cement mortal because the aggregate stands out from the surface of the mortal after averaging the mortal. The fine aggregate has <=1.2 specific gravity in saturated surface-dry condition, <=10% water absorption and 0-2.5 mm grain size, and the amount to be used in the mortal is 5-30% expressed in terms of volume proportion. The amounts of the water, and the various kinds of admixtures are preferably regulated so that a flow value of the cement mortal may be >=180 from the points of repletion and operability, and the hardening time may be 3-60 min. A coloring matter fitting to the surface of the interlocking block as possible can be selected and added thereto.
Patent JP-H02151248-A (JP)
Title: Low/high speed output switching ac spindle motor and switching method thereof
Inventor: NAKAMURA ATSUO
IPC: H02K17/14
Filed: 1988-11-29
Abstract: PURPOSE:To vary output stably from low speed region to high speed region by switching respective phase windings of poly-phase winding and switching magnetic pole of rotary field. CONSTITUTION:When the speed output of a single spindle motor 10 is switched between high and low speed regions, laminated core is manufactured to be suitable for a low speed induction motor having many poles. Two type of stator windings 18 are arranged vertically in single winding groove in the laminated core. When switching is made between low and high speed regions, restriction of a driving current system is cleared by reducing the number of pole and interrupting driving current supply to a part of the winding. Furthermore, desired speed and output torque are achieved by avoiding saturation of field density in the laminated core. By such arrangement, speed and torque can be varied stably from low speed region to high speed region by means of a single motor.
Patent JP-H03162552-A (JP)
Title: Martensitic stainless steel
Inventor: YOSHITAKE AKIRA
IPC: C22C38/00
Filed: 1989-11-17
Abstract: PURPOSE:To improve the drilling workability in the martensitic stainless steel by a twist drill by specifying the content of C, Si, Mn, Cr, Ni, Mo and Cu and the value of Cr equivalent/Ni equivalent in a stainless steel. CONSTITUTION:The compsn. of the martensitic stainless steel is formed of, by weight, <=0.06% C, <=2.0% Si, 1.0 to 5.0% Mn, 11 to 17% Cr, 1.0 to 3.0% Mo, 0.3 to 1.8% Cu and the balance substantial Fe. Moreover, the value of Cr equivalent/Ni equivalent is regulated to >4.0 to <5.0. Furthermore, the Cr equivalent is expressed by formula I and the Ni equivalent by formula II. In this way, the hardness of the steel is limited to about <=280 HB while its excellent corrosion resistance and high corrosion fatigue strength are maintained, by which the steel can be provided with excellent drilling workability by drill machining.
Patent JP-H09142916-A (JP)
Title: Spinel-containing refractory
Inventor: WATANABE NOBUTAKA
IPC: C04B35/043
Filed: 1995-11-17
Abstract: PROBLEM TO BE SOLVED: To obtain a spinel-containing refractory having excellent corrosion resistance and excellent spalling resistance by incorporating a prescribed quantity of a MgO-enriched electromelted spinel containing MgO and Al2 O3 in a specific ratio. SOLUTION: The MgO-enriched electromelted spinel constituted so as to cover the whole or a part of the surface of a magnesia particle containing 55-85% MgO and 45-15% Al2 O3 and forming a solid solution of Al2 O3 on the surface with a spinel composition is prepared. Next, a raw material containing 5-100% MgO-enriched electromelted spinel and the balance a basic raw material (e.g. electromelted magnesia) with alumina fine powder is prepared, molded and fired to produce the spinel-containing refractory. As a result, the deterioration of the corrosion resistance is prevented by increasing the content of MgO and at the same time, the spalling resistance is improved by uniformly dispersing the spinel in spite of small content of Al2 O3 . The resultant spinel-containing refractory is suitable for the lining of a vessel for molten metal refining.
Patent JP-H03164158-A (JP)
Title: Thawing of frozen food
Inventor: MAKINO YASUO
IPC: A23L3/365
Filed: 1990-11-05
Abstract: PURPOSE:To suppress rise in surface temperature of frozen food and to eliminate an excessive unevenness of temperature between central temperature and the surface temperature and to uniformly thaw the frozen food by using both infrared rays from an infrared heater and low-temperature air. CONSTITUTION:When a frozen food 4 is placed on a shelf 3, an infrared heater 5, a blower 10 and a water pump 13 are operated, infrared rays are radiated to the frozen food 4, low-temperature, high-humidity air in a low-temperature, high-humidity air generating chamber 9 is passed through a duct 8 and sent to a thawing chamber 2 to start thawing. The low-temperature, high-humidity air is passed through the periphery of the frozen food 4 as shown by the arrow and discharged from an exhaust vent 7. Consequently, rise in surface temperature of the food 4 and excessive unevenness of temperature between the surface temperature and inner temperature are prevented and drying of the surface of the food 4 is also prevented.
Patent JP-H03232871-A (JP)
Title: Production of benzoxazine derivative
Inventor: FUJIMOTO MICHIO
IPC: B01J31/02
Filed: 1990-11-06
Abstract: PURPOSE:To simply obtain a henzoxazine derivative useful as a synthetic inter mediate for antimicrobial compounds by subjecting a propoxybenzene derivative to ring closure in the presence of a base and a phase transfer catalyst. CONSTITUTION:A compound shown by formula I (R<1> to R<3> are H or halogen; R<4> is 2-8C acyl wherein halogen or nitro group may be replaced, phenylmethyloxycarbonyl containing phenyl wherein methoxyl or nitro group may be replaced, etc.; X is phenylsulfonyloxy containing phenyl wherein 1-6C alkyl may be replaced, halogen, etc.) is reacted in the presence of a base (e.g. aqueous solution of KOH) and a phase transfer catalyst (e.g. tetra-n- butylammonium hydrogensulfate) in a solvent such as toluene at 20-40 deg.C to give the objective compound shown by formula 11. The amount of the aqueous solution of the base used is 1-3 times (ratio of volume/weight) and the amount of the catalyst is 0.5-5wt.%.
Patent JP-S63152082-A (JP)
Title: Address phase comparator circuit
Inventor: MAEDA MASAHIRO
IPC: G11C19/00
Filed: 1986-12-16
Abstract: PURPOSE:To reduce the scale of a gate, by setting the approach prohibiting sections of a write and a readout addresses by decoding the outputs of a write address counter and a readout address counter, and comparing the prohibiting section with each reset signal. CONSTITUTION:First and second count value detection circuits 2 and 4 detect the fact that the outputs of the address counters 1 and 3 arrive at prescribed values respectively, and output decode signals, which become the approach prohibiting sections of the write and the readout addresses. A latch circuit 5 latches those with a write side reset signal and a readout side reset signal, and outputs the OR of latch signals. In other words, comparison with the reset signal is performed. The compared output of the latch circuit 5 becomes the approach signal of the readout address for the write address. Thus, by using the output of the address counter as it is, it is possible to reduce the scale of the gate smaller than a conventional circuit.
Patent JP-S63151660-A (JP)
Inventor: UTO SHIGETOSHI
IPC: C04B35/04
Filed: 1986-12-16
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-H09267008-A (JP)
Title: Bath device
Inventor: SHIMIZU MICHIHIRO
IPC: F24H9/00
Filed: 1996-11-12
Abstract: PROBLEM TO BE SOLVED: To provide a bath device which enhances the function to clean hot water by efficiently removing the suspended matter on a hot water surface. SOLUTION: This bath device is constituted by connecting a bathtub 2 and a hot water feeding means (hot water feeding device 3) by means of a circulating pipe (hot water circulating pipe 4) having a pump and is constituted to purity the hot water W sucked out of the water suction section (hot water suction section 6) of the bathtub by passing the hot water through the circulating pipe, then to circulate the hot water into the bathtub 2 from an ejection section (hot water ejection section 5). In such a case, the suction pressure of the pump acting on the water suction section 65 through the circulating pipe 4 is acted on the hot water surface side of the bathtub 2 by a floating means (float 12), by which the suspended matter on the hot water surface side is sucked together with the hot water to the circulating pipe 4 side and the hot water is purified on the circulating pipe 4 side.
Patent JP-H03162190-A (JP)
Title: Liquid crystal color projector device
Inventor: INADA TOMOHIDE
IPC: G02B27/10
Filed: 1989-11-21
Abstract: PURPOSE:To obtain resolution close to that of a direct viewing display using a CRT by arranging the positions of picture elements projected on a screen by a first and a second liquid crystal display means so as to be zigzag. CONSTITUTION:The arrangement of one of the first or the second liquid crystal display means 60a, 61 is changed. Namely, the arrangement of total reflection mirrors 27 to 29 and liquid crystal display panels 62 to 64 to constitute the first liquid crystal display means 60a is arranged so that projection video light 20 is projected to the position 85 on the screen 8 shifted in a horizontal and a vertical directions by half a picture element portion from the position 84 of the picture element projected by the second liquid crystal display means 61. Since the first and the second liquid crystal display means 60a, 61 are constituted in this way, the number of the picture elements of a projected picture on the screen 8 becomes the number of the sum of the picture elements of the first liquid crystal display means 60a and the second liquid crystal display means 61. Thus, the twice as high resolution as the traditional device of this kind can be obtained.
Patent JP-H08159200-A (JP)
Title: Fixing structure for spring seat
Inventor: NAKAZAWA CHIHARU
IPC: B60G15/06
Filed: 1994-12-05
Abstract: PURPOSE: To provide a fixing structure for a spring seat, capable of securing the sufficient strength without increasing the wall thickness of an outer cylinder by effectively distributing the supporting reaction of supporting protrusions in relation to eccentric load input by the coil spring reaction without deteriorating the peripheral strength of the outer cylinder by the protrusions partially extended and formed. CONSTITUTION: A lower spring seat 8 is fixed by fitting and locking an inner peripheral attaching part 8a between protrusions 1a, 1A, 1b, 1B on two upper and lower stages formed by extending three parts in the circumferential direction by bulge forming on the outer periphery of an outer cylinder 1. The lower supporting protrusion 1B is positioned on the center position offset direction side from the axial point O of the outer cylinder 1 in the lower spring seat 8, and the upper supporting protrusion 1A is so arranged as to be positioned on the opposite direction side to the center position offset direction from the axial point O of the outer cylinder in the lower spring seat 8.
Patent JP-H09147500-A (JP)
Title: Storage device inspection system
Inventor: FUNAMOTO AKIO
IPC: G11B20/18
Filed: 1995-11-20
Abstract: PROBLEM TO BE SOLVED: To make it possible to inspect many sets of inspection storage devices in an inspection time required for a set of storage device and to precisely totalize the inspection results without taking much time. SOLUTION: A control part 3 outputs the data to be written in respective storage devices 11-1N and the positions to be written with the data. Respective storage devices 11-1N write the data in the positions. The control part 3 writes the data in the whole storage areas of respective storage devices 11-1N. The control part 3 reads out the data from respective storages 11-1N. Respective comparison parts 21-2M compare the data read out from two respective storage devices adjacent to each other holding the respective comparison parts 21-2M therebetween to output the results to the control part 3. The control part 3 specifies defective storage devices temporarily based on these comparison results, and reads out the data from all storage devices specified temporarily as the defectives again to collate them with the written data, and when the collation results show unmatching, the control part 3 decides these storage devices as the defective devices.
Patent JP-H08137107-A (JP)
Title: Resist composition
Inventor: MATSUNO SHUGO
IPC: G03F7/039
Filed: 1994-11-10
Abstract: PURPOSE: To improve resist characteristics such as light transmissivity, sensitivity, resolution and etching resistance, etc., by incorporating a polymer containing a specific structural unit and a radiosensitive component producing an acid by being irradiated with activated radioactive ray. CONSTITUTION: This resist composition contains the polymer containing the structural unit expressed by formulae I-III and the radiosensitive component producing the acid by being irradiated with activated radioactive ray. In formulae I-III, each of R<1> -R<3> is individually hydrogen atom, 1-4C substitutable alkyl group, halogen atom, cyano group or nitro group, each of R<4> and R<5> is individually hydrogen atom, 1-8C linear, branched or cyclic substitutable alkyl group, substitutable alkenyl group or substitutable aryl group, Adm is a 1-adamantyl group and R<6> is an acid unstable group. In each formula, (k), (m) and (n) respectively represent the ratio of each structural unit and are 0.05<=k<=0.95, 0.1<=m<=0.95, 0.05<=n<=0.6 in k+m+n=1.
Patent JP-H11140284-A (JP)
Title: Resin composition for laser marking, laser marking and laser-marked molded product
Inventor: UEDA TAKANORI
IPC: B29C71/04
Filed: 1997-11-04
Abstract: PROBLEM TO BE SOLVED: To obtain the subject composition capable of providing a clear white- based laser marking product excellent in contrast by compounding a carbon black having a specific average particle diameter and DBP oil absorption in a specific amount with a thermoplastic polyester resin. SOLUTION: The objective composition comprises (A) a thermoplastic polyester resin (e.g. a polybutylene terephthalate), (B) 0.001-3 wt.%, preferably 0.005-2.5 wt.%, more preferably 0.008-2.0 wt.% carbon black having <=20 nm, preferably 10-18 nm average particle diameter and 35-130 ml/100 g, preferably 50-115 ml/100 g DBP oil absorption and, optionally, (C) a well-known additive, a filler, a pigment, a dyestuff or the like. A carbon black having a tinctorial power providing a molded product having <=17.5 L value when compounding 0.15 wt.% component B to the component A and molding a flat board having 2 mm thickness therefrom is preferably used as the component B.
Patent JP-H04173828-A (JP)
Title: Epoxy resin molding material for sealing electric part
Inventor: HAGIWARA SHINSUKE
IPC: C08G59/00
Filed: 1990-11-07
Abstract: PURPOSE:To obtain the title molding material useful especially for plastic pack age IC for surface mounting, solderable without pretreatment, comprising an epoxy resin, a compound containing two or more phenolic hydroxyl groups and an inorganic filler. CONSTITUTION:(A) An epoxy resin shown by formula I is premixed with (B) a compound (>=100 deg.C softening point) containing two or more phenolic hydroxyl groups shown by formula II (A is a phenol or a naphthol such as phenol or cresol; (n) is positive integer) under heating, and then blended with (C) an inorganic filler having >=60vol.% and (D) a curing promoter to give the objective molding material.