baber/WOPTO huggingface dataset:
Patent JP-H114596-A (JP)
Title: Motor drive equipment and air conditioner using this equipment
Inventor: KAWASHIMA NOBUHIRO
IPC: H02M7/06
Filed: 1997-06-11
Abstract: PROBLEM TO BE SOLVED: To provide an energy saving motor driven equipment which switches the control of a motor depending on the operating situation and always operates at the maximum overall efficiency. SOLUTION: A motor driving equipment rectifies AC power in a rectifier circuit 3 and filters in a filter circuit 5, and supplies a filtered DC voltage to an inverter circuit 6 and drives a motor 8. If the revolution of the motor 8 is less than a predetermined value, a step-down PAM control circuit provided at the pre-stage or post-stage of a rectifier circuit 3 performs a step-down PAM control of an input voltage to an inverter circuit 6. If the revolution exceeds the value of revolution stated above, then the input voltage to the inverter circuit 6 is kept to a constant high PWM-modulated voltage corresponding to the revolution command value a6 of the motor 8.
Patent JP-S5578525-A (JP)
Title: Vapor phase epitaxial growth
Inventor: NAKAI KENYA
IPC: H01L21/22
Filed: 1978-12-11
Abstract: PURPOSE: To form a homogeneous epitaxial layer by a method wherein at least two outlets through which exhausting of fed gas are provided on a reaction tube for which a temperature inclination is set longitudinally, and a gas flow distribution is regulated through controlling the quantity of exhaust gas coming out thereof.  
     CONSTITUTION: A semi-insulated Ga As substrate 5 on which to laminate epitaxial layer and Ga source are installed on a reaction tube 1. There are provided on the tube 1 a carrier gas inlet 2, an inlet 3 for the carrier gas containing a reaction gas like AsCl 2 , and outlets 7, 8 provided with regulators 17, 18, and further provided are an inlet 9 for a gas curtain by hydrogen gas or nitrogen gas to check counterflow according to the fed gas temperature drop and a regulator 19. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-S5277598-A (JP)
Title: Picture display device
Inventor: SHIRAISHI TAKAYOSHI
IPC: G09G3/22
Filed: 1975-12-24
Abstract: PURPOSE: To perform picture display of high reliability by recording the display position of pictures as repetitive signals of mutually varying frequencies. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H0444870-A (JP)
Title: Sound deadening structure for platen
Inventor: MIFUNE SHINYA
IPC: B41J11/02
Filed: 1990-06-12
Abstract: PURPOSE:To obtain effectively a sound deadening effect in simple structure by interposing a sound deadening member made of a material having physical properties different from those of a platen and a frame therebetween when the platen to be used for an impact type printing device and the frame supporting said platen are joined together. CONSTITUTION:In the case where a roll-shaped platen is used, a substantially cylindrical sound deadening member 1 made of a material having physical properties different from those of a bearing 3 for a platen shaft 5 is interposed between the bearing and a frame. Accordingly, this can be practiced even to a ready-made only by enlarging the diameter of the hole of the bearing part 4a of the frame, and freedom of a material, a shape and the like is also greater. Further, in the case of a flatbed-shaped platen 6, a flat-shaped sound deadening member 1 made of a material having physical properties different from those of both the platen 6 and a frame 4 is interposed between the frame 4 and a mounting plate 8 and between the platen 6 and the mounting plate 8, respectively, when the platen 6 and the frame 4 are fastened together with the aid of the mounting plate 8. Either one of the two sound deadening members 1, 1 may be saved.
Patent JP-H0823044-A (JP)
Title: Manufacture of high frequency semiconductor device
Inventor: ISHIBASHI MASARU
IPC: H01L23/02
Filed: 1994-07-05
Abstract: PURPOSE:To alleviate the thermal strain in assembling of the high frequency semiconductor device of a ceramic casing having a copper flange, and to prevent generation of cracks by a method wherein, after the ceramic casing with a copper flange has been assembled, heat treatment is conducted at a specific temperature, and the outer casing is formed. CONSTITUTION:A ceramic casing is composed of a beryllia substrate part 1 on which a silicon transistor chip 4, formed by beryllia, is mounted, a ceramic frame part 2a where a sealing cap is mounted, a ceramic substrate 2b provided with an electrode lead-out part 5 with is used to lead out the electrode of a transistor chip, and a copper heat sink 3 having a screwing part. After assembling the abovementioned ceramic casing, heat treatment is conducted at 450 to 500 deg.C, the thermal strain generated when assembling the ceramic casing in the manufacture of the high frequency semiconductor device is alleviated, and the generation of cracks is prevented.
Patent JP-S6131225-A (JP)
Title: Manufacture of polyamide resin sheet or film
Inventor: MATSUO MAKI
IPC: B29L7/00
Filed: 1984-07-24
Abstract: PURPOSE:To contrive to improve the productivity of the sheet excellent in thickness uniformity and transparency by extruding the compound in which ethylene family ionomer resin is compounded into polyamide resin and then hardening it by cooling. CONSTITUTION:The applied voltage to electrodes necessary for causing the sheet like material extruded in molten state to be closely in contact with a rotary cooling roll is reduced, when ethylene family ionomer resin is compounded into molten resin, whereby sufficient static charge may be applied to the sheet like material, which obtaining enough time until the voltage reaches the beginning voltage of arc discharging such that the sheet like material is destroyed. Mutual solubility between polyamide resin and ethylene family ionomer resin is good, and the excellent original transparency of polyamide resin sheet is not lost by compounding 0.1-10wt% ethylene family ionomer resin, rather the impact resistance of the polyamide resin sheet is improved by compounding ethylene family ionomer resin. Even if the peripheral speed of the rotary cooling roll is raised, the sheet excellent in thickness uniformity and transparency may be produced.
Patent JP-H0773996-A (JP)
Title: Plasma reactor for sticking or etching process
Inventor: DABITSUDO PEARUSON
IPC: H01L21/3065
Filed: 1994-07-05
Abstract: PURPOSE: To make a plasma reactor available for a reactive and selective ionizing etching process, and a cleaning method using spray by extending an antenna conductor, reciprocating two or more times, at least three times, to the opposite directions in the plane alternately. CONSTITUTION: An antenna 8 consists of an electric conductor, extending in a plane parallel to a substrate 5 which extends in a plane along two or more advancing and return routes, alternately meandering in the opposite directions. An inductance of the antenna 8 greatly decreases by the advancing and return routes of the antenna 8. As a result, a magnetic field becomes very weak at a distance of more than the interval between the advancing and return routes from the antenna. The energy of charged particles in a plasma at the level of the substrate 5 is also minimized. Moreover, a stationary resistance wave which improves efficiency and effect with which radio-frequency energy is combined with the electrons of the plasma is generated in the plasma by the existence of a static magnetic field generated with the 1st and the 2nd electric coils 20, 22.  The energy of heated electrons is transferred to the plasma by collisions.
Patent JP-H09100324-A (JP)
Title: Molding resin, composition thereof, and production of these
Inventor: ABE SHIGEHIKO
IPC: C08F8/00
Filed: 1996-06-14
Abstract: PROBLEM TO BE SOLVED: To obtain a molding resin which has improved take-up properties without undergoing gelation and has improved suitability for calendering. SOLUTION: This molding resin is a copolymer of ethylene and a 3-12C α-olefin. If has an Mw/Mn ratio of 3 or lower, a density of 0.850-0.980g/cm<3> , and an MFR of 0.5-5g/10min. The slant S of the storage elastic modulus G' of the resin in a frequency range of from fc at which the G' is equal to the loss elastic modulus (G'') of the resin to fc /10 (S=ΔlogG'/Δlogf) satisfies 0.70<S<0.90. The resin has a flow activation energy ΔH as determined in the range of 160-220 deg.C of 35kJ/mol or lower.
Patent JP-S60143648-A (JP)
Title: Manufacture of semiconductor device
Inventor: IWASA SHIYOUICHI
IPC: H01L21/3205
Filed: 1983-08-23
Abstract: PURPOSE:To enable to form silicide electrodes even in shallow diffusion layers by a method wherein an impurity-added polycrystalline silicon layer is made to grow on the diffusion layers. CONSTITUTION:N type impurities are ion-implanted in a P type Si substrate 1 and diffusion layers 10 are formed. After that, oxide films 11 are removed and an N type impurity-added polycrystalline silicon layer 12 is made to grow on the whole surface by a CVD method in a film thickness of a degree that apertures 13 and 14 provided on the diffusion layers 10 are fully buried with the polycrystalline silicon layer 12. The polycrystalline silicon layer 12 is performed an etchback to the limit in such a way that the polycrystalline silicon layer 12 is left only in the apertures 13 and 14. Polycrystalline gates and the silicon nitride film 7 of the wiring part are removed, and after then, silicide layers 18, 16 and 17 are provided on N<+> type polycrystalline silicon layers 8, 13 and 14.
Patent JP-S6216977-A (JP)
Title: Sheet exhaust device for printer
Inventor: TAKEMOTO TAKESHI
IPC: B41J13/10
Filed: 1985-07-12
Abstract: PURPOSE:To lessen the space for installation of the whole system by furnishing an exhaust selecting member for selection between No.1 position, in which sheets are exhausted directly from the exhaust port, and No.2 position in which sheets are introduced to other outlets situated elsewhere than the printer upper part. CONSTITUTION:A swing lever 42 is turned to the left by a spring 44 to come in pressure contact with a cam part 43a, and an exhaust selecting member 38 is held in No.1 position, i.e. a position in which an exhaust port 37 is open, and each printed sheet 23 is exhausted to the upper part of the printer body 20a directly from this exhaust port 37. If, on the other hand, an exhaust selecting knob is turned to allow said cam part 43a to heave the swing lever 42 and, also, the exhaust selecting member 38 is set in No.2 position, i.e. in a position in which the exhaust port 37 is shut, so the printed sheet 23 is led by the member 38 aslant downward and sent into a tray 47 by an exhaust feed roller 45 from a sheet supply/exhaust port 26 and a sheet supply port 25 via an exhaust roller 46 furnished in the sheet feeder body 21a. At this time, printer 20 can be in service even through other apparatus 48 are placed thereon, which contributes to lessening of the space for installation.
Patent JP-H0820021-A (JP)
Title: Manufacture of fiber reinforced thermoplastic resin composition and preformed body using the composition
Inventor: NAGAE SHINICHI
IPC: C08J5/04
Filed: 1994-07-05
Abstract: PURPOSE:To protect reinforcing fibers from getting broken or marked in a mixing process in air flow of thermoplastic resin powder constituting a matrix with reinforced fibers and manufacture a fiber reinforced resin composition for manufacturing a molded body of good mechanical properties, particularly good toughness, flexural properties and impact properties and also a preformed body using the composition. CONSTITUTION:When thermoplastic matrix resin powder is mixed with reinforcing fibers in air flow to manufacture a fiber reinforced thermoplastic resin composition, the surfaces of the reinforcing fibers are coated preliminarily with resin of the same kind as thermoplastic matrix resin or having affinity with thermoplastic resin having affinity with matrix resin.
Patent JP-H076316-A (JP)
Title: Thin-film coil for magnetic head
Inventor: TAKAYAMA AKIO
IPC: G11B5/127
Filed: 1991-05-29
Abstract: PURPOSE:To improve the characteristics of the magnetic head and to miniaturize the head. CONSTITUTION:A substrate 23 is formed by integrally adhering magnetic materials 15, 16 thereto via a nonmagnetic material 17 held therebetween. A magnetic core 20 having magnetic cores 21, 22 is formed on this substrate 23. A thin-film magnetic coil 19 is formed with the magnetic cores 21, 22 of the magnetic core 20 as magnetic cores. As a result, a magnetic circuit 34 is formed between the magnetic core 20 and the magnetic materials 15 and 16 of the substrate 23, by which the area of the magnetic circuit 34 is increased. Balancing the thin-film magnetic coil 19 with the magnetic cores 21, 22 as the magnetic cores is possible.
Patent JP-S5947454-A (JP)
Inventor: YOSHIDA JIYUN
IPC: D04B1/00
Filed: 1982-09-06
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-S6046441-A (JP)
Title: Method and device for inspecting end surface of optical connector
Inventor: MIKAWA IZUMI
IPC: G02B6/36
Filed: 1983-08-25
Abstract: PURPOSE:To calculate the shape error of the end surface of an optical connector by allowing a transparent reference inspection plate to abut on the end surface of the optical connector at right angles to an optical axis, and irradiating it with plural kinds of monochromatic light and observing interference fringes of reflected light beams from the optical connector end surface and reference inspection plate end surface. CONSTITUTION:The transparent reference inspection plate 14 is fixed onto a holding base 12 while abutting on the end surface 15 of the optical connector 11 so that the reference surface 13 is at right angles to the optical axis of the optical connector 11. Monochromatic light is quided out of a white light source 18 through a mosaic filter 21 to illuminate the reference plate through a diffusing plate 20, beam splitter 19, and objective 16. If there is a fine gap between the reference surface 13 and the end surface 15 of the optical connector 11, reflected light beams from the both have a phase difference and interference fringes are observed. Plural kinds of monochromatic light differing in wavelength are used because of the mosaic filter 21 to observe interface fringes of every half wavelength of each kind of homogeneous light, thus taking a high-precision measurement.
Patent JP-S5778468-A (JP)
Title: Electron radiation-curable offset ink composition
Inventor: NOSHIRO TOKUZOU
IPC: C09D11/10
Filed: 1980-11-01
Abstract: PURPOSE: The titled composition with high-speed drying property in combination with printability, not suffering from coloration due to a sensitizer, which is perpd. by incorporating an unsaturated alkyd resin and an acrylate monomer as main components.  
     CONSTITUTION: A composition contg. an unsatrated alkyd resin such as linseed oil-modified alkyd resin rosin-modified alkyd resin and an acrylate monomer such as 1,6-bexanediol diacrylate or dipentaerythritol hexaacrylate as the main component. The composition is not colored by a sentizer as in the case of the conventional UV-curable ink becouse it has high-speed drying property together with printability and is electron radiation curing type, and not inhibited from curing by the unsaturated alkyl resin, a pigment and another additive because of utilization of strong transmission of electron radiation. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-H0445211-A (JP)
Title: Method for controlling temperature of furnace wall in throat part of blast furnace
Inventor: MIYAKE TAKAHISA
IPC: C21B5/00
Filed: 1990-06-13
Abstract: PURPOSE:To enable the optimum control of dissipating heat quantity by estimating furnace gas temp. based on the measured value of furnace wall temp. and controlling pressure at the time of vaporizing cooling water vaporized in cooling metal or stave. CONSTITUTION:The temp. of furnace wall setting the cooling metal 3 is measured with a thermometer 12, and the pressure in an evaporator 7 is measured with a pressure gage 13. The measured temp. and pressure of furnace wall are outputted to the computing element 14, and based on the predetermined relation, the furnace gas temp. is estimated. Based on the estimated temp. and pressure of furnace gas, an opening/closing adjust signal is outputted to a pressure adjust valve 15 to optimize the furnace gas temp. By this method, even in the case the furnace gas quantity is decreased at the time of reducing production, as the furnace condition can be controlled to the optimum temp. without excess-cooling, the occurrence of detective furnace condition, such as the occurrence of slip, can be prevented.
Patent JP-S5778920-A (JP)
Title: Structure for cleaning exhaust gas
Inventor: NOMURA ETSUJI
IPC: B01D46/12
Filed: 1980-10-31
Abstract: PURPOSE: To contrive to protect a fibrous filter from heat and prevent fibers from scattering, by a method wherein the parts of the fibrous filter on both inlet and outlet sides are covered with a ceramic body having a gas-permeable construction.  
     CONSTITUTION: The fibrous filter 2 composed of mineral fibers (e.g., silica wool) or metallic fibers entangled with each other is clampled between cordierite-based porous ceramic bodies 3 and is fitted into a holding part 1 through cordierite rings 4, to constitute the structure. An outside peripheral surface of the structure is held by a stainless steel wire mesh 12 and is fixed by ring stays 8, 11 which are spot welded to a cylindrical main body 7. An exhaust gas containing carbon particles is passed through the ceramic bodies 3 and the fibrous filter 2, by which the carbon particles are caught. After a predetermined amount of carbon particles is trapped, a small- type burner 20 and a glow plug 22 are operated and the carbon particles are cleaned by the heat of combustion. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-S639843-A (JP)
Title: Gas detection device
Inventor: SAWADA AKIRA
IPC: G01N21/39
Filed: 1986-06-30
Abstract: PURPOSE:To stably measure the concentration of gas by providing a means which compares the absolute value of the oscillation wavelength of a semiconductor laser with actual oscillation wavelength and detects the deviation and a means which corrects the deviation. CONSTITUTION:The wavelength of the semiconductor laser 1 which is controlled by a temperature controller 10 to necessary temperature is scanned on a pressure reduction cell 13 where pure gas of the same kind with the gas to be measured is charged to specific pressure. Consequently, an absorption spectrum obtained from a laser detector 15 is compared by a comparator 17 with an absorption spectrum in a reference wavelength band corresponding to the pressure reduction cell 13 stored in a memory device previously to detect the deviation in the oscillation wavelength of the semiconductor laser 1. The deviation in the oscillation wavelength can be compensated by controlling the temperature controller 10 so that the temperature is raised when the wavelength is made short or lowered when the wavelength is made long.
Patent JP-H01320306-A (JP)
Title: Holding device
Inventor: IURA TADASHI
IPC: A47K3/02
Filed: 1988-06-22
Abstract: PURPOSE:To mount and demount the device quickly and be able to mount it with strong holding force by providing a pair of right and left holding movable legs 4 which rotate around a vertical shaft center with respect to a frame and eccentrically rotate back and forth and are connected with each other by means of a turnbuckle mechanism, on the back side of holding fixed legs. CONSTITUTION:On the front side of vertical pipe bodies 2 with which handles 1 are integrally provided, holding fixed legs 3 are fixed in such a way as extending downward, and one sides of crank-shaped holding movable legs 4 are attached to the lower portions of the pipe bodies 2 so as to be rotatable and not to be taken off. On the other hand, a turnbuckle mechanism is installed at pins 11a, 11b in the eccentric portion of a pair of holding movable legs 4. Accordingly, by the operation of the turnbuckle mechanism 5, the wall frame A1 of a bathtub A is held between the holding fixed legs 3 and the holding movable legs 4, and thereby it is mounted and demounted quickly and mounted with strong holding force.
Patent JP-S5487236-A (JP)
Title: Multi-component glass fiber for optical communication
Inventor: SAWAMURA KUNIHIDE
IPC: C03C3/062
Filed: 1977-12-23
Abstract: PURPOSE:To improve the weather-resisting property, to prevent glass fibers from becoming opaque during working and to improve the sizing stability and charactristics during drawing by using preset multi-component glass materials as materials for a core and a cladding. CONSTITUTION:Multi-component glass A for a core, which contains in wt. percent 35 to 65 % of SiO2, 10 to 23 % of osides of alkaline metal and the remainder of 15 to 50 % of the sum of CaO, BaO and ZnO, and multi-component glass B for a cladding, which contains 65 to 80 % of SiO2, 0.5 to 10 % of Al2O3, 9 to 17 % of oxides of alkaline metal, 1 to 5 % of CaO, 0 to 4 % of MgO and 0 to 10 % of B2O3, are drawn by the dual-crusible method to produce step type multi-component glass fibers for optical communication. As a result, the difference in thermal expansion coefficient between the glass materials A and B is smaller than 3 X 10<-6> cm/cm deg.C at a temperature of 0 to 300 deg.C, and the difference in specific refractive index inbetween is higher then 0.015, as defined by DELTAn=(n1 - n2)/n1 (wherein n1 stands for the refractive index of the core; and n2 stands for the refractive index of the cladding).
Patent JP-S6421292-A (JP)
Title: Metal clamp
Inventor: RIONERU KARUMETSUTO
IPC: F16L33/02
Filed: 1988-06-21
Abstract: PURPOSE: To make it possible to apply a continuous and uniform clamp pressure by providing a slit on a band away from both ends and dividing into two band parts and forming a protrusion protruding outside of the clamp alternately on each band part. CONSTITUTION: In the area of a band 1 away from interlocking means 2, 3, a slit 1a which extends relatively and which constructs two band parts 1b, 1c, is formed longitudinally. On each band part 1b, 1c, at least one wave-like protrusion 1d protruding outside of a clamp is formed. The protrusion 1d on one band part 1b is positioned so that the protrusion 1d on the other band part 1c alternates circumferentially.
Patent JP-H103017-A (JP)
Title: Ferrule with optical fiber and its production
Inventor: TAIRA JUNJI
IPC: G02B6/36
Filed: 1996-06-14
Abstract: PROBLEM TO BE SOLVED: To provide a ferrule with an optical fiber having an oblique PC structure and hardly causing a connection loss even by a rotation angle deviation at the time of connection, and to provide a manufacturing method therefor. SOLUTION: In the ferrule 1 with the optical fiber, a ferrule 3 having a cylindrical tube structure is fixed to the end part of the optical fiber 2 and is machined to form a convex spherical surface. The convex spherical surface is formed so as to have a tangential plane P1 at a center of the ferrule making a prescribed angle with a plane perpendicular to a central axis of the ferrule and, further, radius of curvature of the convex spherical surface is made so that a first radius of curvature R1 in a direction forming the prescribed angle written above and a second radius of curvature R2 in a direction orthogonally intersecting therewith differ from each other.  A top end part of a connecting edge to be formed to the projecting spherical surface is formed to the projecting spherical surface having the first radius of curvature R1 and the second radius of curvature R2 by executing a relative motion to a grinding sheet 23 while bringing the connecting edge of the ferrule 1 with the optical fiber to be formed to the convex spherical surface into pressurized contact with the grinding sheet 23 laid on an elastic body 22.