baber/WOPTO huggingface dataset:
Patent JP-2001189390-A (JP)
Title: Method for fabricating semiconductor nonvolatile memory
Inventor: AOZASA HIROSHI
IPC: H01L29/792
Filed: 1999-12-28
Abstract: PROBLEM TO BE SOLVED: To provide a method for fabricating a semiconductor nonvolatile memory, in which the density of charge trap contained in a silicon nitride film composing the multilayer insulation film of the semiconductor nonvolatile memory having charge storage capability can be controlled. SOLUTION: A silicon oxide film 21 is formed on a semiconductor substrate 10, having a channel forming region and a silicon nitride film 22, is formed thereon as a part of a multilayer insulation film by CVD, using dichlorosilane and ammonia as material. It is then heat treated in gas atmosphere containing hydrogen and nitrogen, e.g. ammonia gas, and further heat treated in the atmosphere of N2O gas. Subsequently, a silicon oxide film 23 is formed on the surface of the silicon nitride film 22 through thermal oxidation thus forming a multilayer insulation film of an oxide film-a nitride film-an oxide film having charge storage capability. Thereafter, a control gate electrode is formed on the upper layer of the multilayer insulation film and a source/drain region is formed to be connected with a channel-forming region in the substrate.
Patent JP-2000183411-A (JP)
Title: Positioning member for peltier module and its assembling method
Inventor: TERADA YUICHI
IPC: H01L35/32
Filed: 1998-12-17
Abstract: PROBLEM TO BE SOLVED: To execute accurate positioning and highly efficient assembling work, without reducing the heat exchanging efficiency of a Peltier unit. SOLUTION: A Peltier unit 17 is constituted pinching a Peltier module 18 between heat sinks 1a, 1b facing opposite each other. A positioning member 11 is formed into a sheet thinner than the thickness of the module 18 in a direction between heat sinks 1a, 1b. The member 11 has a planar shape approximately the same as that of the planar shape of the heat sink 1b. All Peltier modules 18 are positioned all together with only one positioning member 11.
Patent JP-2001153190-A (JP)
Title: Continuously variable transmission gear
Inventor: KISHINO TETSUYA
IPC: F16H3/42
Filed: 1999-11-29
Abstract: PROBLEM TO BE SOLVED: To provide a lightweight, and small continuously variable transmission gear by direct meshing of the input side with the output side by a simple structure. SOLUTION: An input rotor 2 (a driving side rotor) for radially arranging a thin piece having the tip rightly brought into close contact with a bevel inclination of an output rotor 7 (a passive side bevel gear) in a peripheral part and having a structure such as being brought into close contact with the output rotor, and the bevel-shaped output rotor (the passive side bevel gear) existing on a shaft having an angle of 0 deg. to 165 deg. with this input rotor and radial teeth cut so as to mesh with the thin piece of the input rotor 2. The output rotor 7 has a structure allowing the rotor 7 to move in a specific range, transmitting the rotation to the shaft, and are a structure such as sufficiently holding meshing of a surface of the bevel gear of the output rotor with the thin piece of the input rotor when moving.  A contact point of the input rotor with the output rotor changes by moving the input rotor, and speed is varied by the change in the ratio of the tooth number of the input rotor and the output rotor.
Patent JP-2000200743-A (JP)
Title: Aligner, lens-barrel, casing and method for transporting the same
Inventor: OSAKABE YUICHI
IPC: G03F7/20
Filed: 1998-12-28
Abstract: PROBLEM TO BE SOLVED: To prevent the deviation of the holding position of a lens and the damage of the lens at the time of transportation, by installing a pressure adjusting mechanism for adjusting pressure within/without a closed space or within/without an almost closed space to almost equal pressure or almost constant differential pressure in a specified number or above closed or almost closed spaces in an aligner. SOLUTION: At the time of transporting a casing and a lens-barrel 14 where at least one or above spaces are filled/closed with inert gas by a transportation means whose pressure fluctuation is expected, air/inert gas collection parts are exchanged for elastic restoration materials 31 such as bellows and gas discharge ports 8 are opened. The elastic restoration materials 31 connected to the closed spaces of the lens-barrel 14, the casing and the aligner expand/ contract with a pressure change outside the closed space and pressures within/ without the closed spaces in the lens-barrel 14 and the casing become almost equal. Thus, the holding position of glass or optical elements 15 touching atmosphere outside an object is prevented from being deviated and it is prevented from being damaged.
Patent JP-H04213276-A (JP)
Title: Method and device for recording image data
Inventor: KISHI KENJI
IPC: H04N19/176
Filed: 1990-12-07
Abstract: PURPOSE:To provide the method and device for recording the image data of high accuracy obtd. by encoding and recording the brightness signal of the image data with one time of data processing and quantizing and encoding the color difference signals of this image data in accordance with an optimum quantization width with a two-pass system. CONSTITUTION:The image data is classified to the brightness signal and the color difference signal by a process circuit 2. The brightness signal is subjected to the prescribed quantization and encoding and is recorded on a memory card 11. The remaining recording capacity of the above-mentioned memory card 11 is detected by a code quantity calculating circuit 12 and the optimum quantization width coefft. corresponding to the above-mentioned color difference signals is set in a quantization circuit 8. This memory device for image data reads out the above-mentioned color difference signals again, quantizes and encodes the signals in accordance with the above-mentioned quantization width coefft. and records the signals on the above-mentioned memory card 11.
Patent JP-H04213699-A (JP)
Title: Automatic segment assembling device
Inventor: SHOJI HIROAKI
IPC: E21D11/40
Filed: 1990-12-10
Abstract: PURPOSE:To automatically assemble segments with precision by detecting all of the position, attitude deviation amounts of an assembled segment roughly positioned in the vicinity of a specified assembling position in relation to an existing segment with an elector, and making a positioning correction. CONSTITUTION:Slit light is radiated to a boundary part in a tunnel vertical cutting direction and a tunnel crosscutting direction of existing segments 1a, 1b and an assembled segment 2 and makes the film of its light-section image with projectors 3a-3c and television cameras 4a-4c provided in the vicinity of the segment holding part of an elector. An arithmetic unit 9 processes image data stored in an image memory 7 to determine the endpoint coordinates of the light-section image, operates relative position. attitude deviation amounts of existing, assembled segments from that coordinates, and a main body control device makes a positioning correction based on that deviation amounts.
Patent JP-H04313866-A (JP)
Title: Magnetic disk and magnetic disk device
Inventor: WAKABAYASHI NORIAKI
IPC: G11B21/10
Filed: 1990-12-18
Abstract: PURPOSE:To increase a storage capacity by providing a track group, a data sector, a servo sector and a servo pattern signal and satisfying a sector number (s) being included in each sector group of each track of the p-th zone with s=p+M (M is an integer). CONSTITUTION:Many concentric tracks formed on the data recording surface of a magnetic disk 1 are divided into K groups in the radial direction. Next many sectors formed on the track are divided into J sector groups so as to be respectively an equal angle in the circumferential direction. The servo sector 21 is arranged among each sector group and in it the servo pattern signal being necessary to the servo positioning of the head is provided. Here the sector number (s) included in each sector group of the p-th zone satisfies with s=p+M (M is integer). Hence if the track density is same, a servo surface servo control system or a positioning mechanism, as it is, can easily increase the storage capacity.
Patent JP-H04208689-A (JP)
Title: Floating cabin vessel
Inventor: SUZUKI KENSHO
IPC: B63B39/00
Filed: 1990-12-04
Abstract: PURPOSE:To obtain a swing preventing mechanism for a cabin which does not require a complicate controller by floating a spherical float having the center of gravity at a lower position by charging a spherical recessed part formed inside a hull and supporting a cabin by the float. CONSTITUTION:A spherical recessed part 2 is formed at the center part of a hull 1, and a spherical float 3 is accommodated inside. The part between the recessed part 2 of the hull 1 and the float 3 is charged with sea water, and the float 3 is held in floating state inside the recessed part 2 by the sea water. Each spherical roller 4 made of elastic material is supported in rotatable manner on both the side surfaces of the float 3, and a groove shaped guide 6 for guiding the roller 4 in slidable manner is formed inside the recessed part 2 of the hull 1, and the relative revolution in the pitching direction and rolling direction of the float 3 for the hull 1 are guided. A cylindrical connection part 3A which projects over the recessed part 2 is formed at the upper edge of the float 3, and a cabin 7 is supported over the flat 3 through the connection part 3A and a vertical movement absorbing cylinder 8.
Patent JP-H04223056-A (JP)
Title: Manufacture of electrode plate for fuel cell
Inventor: WATANABE SEIGO
IPC: B22F7/04
Filed: 1990-12-26
Abstract: PURPOSE:To obtain a sintered nickel electrode plate for a fuel cell of uniform thickness by eliminating the ununiformity in the thickness of nickel powder layers before the sintering process. CONSTITUTION:A heat resistant plate 7 is placed on a table 2 of a nickel powder dispersing device provided with an adhesion mechanism 21 on the upper face, and the heat resistant plate 7 is adhered to the table 2 unitedly, then nickel powders are dispersed on the heat resistant plate 7 and the upper portions of which are picked up and removed. Then the nickel powders and the heat resistant plate 7 are inserted in a sintering furnace to sinter the nickel powders.
Patent JP-H06223182-A (JP)
Title: Method for division of textural region and nontextural region
Inventor: DAN ESU BURUUMUBAAGU
IPC: G06T7/40
Filed: 1990-12-07
Abstract: PURPOSE: To identify and divide a detailed texture area and a thick dark area. CONSTITUTION: A texture area is selectively converted into a solid area, a characteristic including an ON picture element is removed from another area, the number of the solid areas is judged, and when the number is larger than a prescribed maximum value, the smallest solid area is removed. Then, the size of organizing elements is initialized, the number of the residual solid areas is judged, and when the number is larger than a prescribed maximum value, exit is operated, the size of the organizing elements is increased, and an image is opened by the organizing elements in the size at that time. Those judgement, increase, and open are repeated.
Patent JP-H04225416-A (JP)
Title: Password code keying input device
Inventor: NISHIMURA YUTAKA
IPC: G06F3/02
Filed: 1990-12-27
Abstract: PURPOSE:To prevent such an inconvenient case where an outsider can know a password code from the position and the dirtiness degree of buttons when the password code is inputted by keying. CONSTITUTION:The buttons 11 are arrayed on a keyboard 1 and a display device 21 shows the keying meaning of each button 11. A control part 3 does not fix the buttons 11 and rearranges them for each input of password codes.
Patent JP-H04225890-A (JP)
Title: Water purifier and method for packing formed fibrous activated carbon into the purifier
Inventor: MATSUMOTO SHINYA
IPC: C02F9/00
Filed: 1990-12-27
Abstract: PURPOSE:To obtain a water purifier capable of removing chlorine, org. matter and bacteria and without irritating the organic functions. CONSTITUTION:The inner surface of a housing 1 is coated with a resin contg. disinfectants, a formed activated carbon 2 contg. disinfectants is packed in the housing 1, all the parts in contact with water are made disinfectant to prevent the propagation of bacteria, and chlorine, org. matter and bacteria are removed from the water by the activated carbon 2.
Patent JP-H04228430-A (JP)
Title: Production of lanthanum chromate powder
Inventor: IPPONMATSU MASAMICHI
IPC: C01G37/00
Filed: 1990-12-27
Abstract: PURPOSE:To provide a process for producing La(Ca)CrOx powder free from hexavalent chromium (Cr<6+>). CONSTITUTION:An A-site excess calcium-doped lanthanum chromate is baked at 1100-1500 deg.C, cooled in a non-oxidizing atmosphere and crushed to obtain the objective powder.
Patent JP-H04218630-A (JP)
Title: Copper alloy for metal mold for plastic molding having high strength and high thermal conductivity and its production
Inventor: SO HIDEHIKO
IPC: B29C45/26
Filed: 1990-12-17
Abstract: PURPOSE:To provide a material for metal mold for plastic molding having superior manufacturability, also having high strength, increased in strength at high temp., and excellent in thermal conductivity. CONSTITUTION:The material is characterized by having a composition consisting of, by weight, 1.5-2.5% Be, 0.001-3.0% of one or >=2 elements selected from the group consisting of Ni, Fe, Co, Cr, Zn, and P as accessory components, and the balance Cu with inevitable impurities and also is characterized by being produced by subjecting the above copper alloy, in succession, to hot forging, solution treatment at >=600 deg.C, cooling at >=1 deg.C/sec cooling rate, cold working at >=20% draft, and aging treatment at 250 -450 deg.C. Accordingly, as a copper alloy for extremely excellent metal mold for plastic molding, this material has superior impact resistance as well as superior strength and strength at high temp. and also has high thermal conductivity, and, as a result, the time required for plastic molding can be remarkably shortened and productivity can also be improved.
Patent JP-H04220091-A (JP)
Title: Correction light incoming system
Inventor: NARIMATSU YOSHITO
IPC: H04N5/235
Filed: 1990-12-19
Abstract: PURPOSE:To make a correction light incident from the full diameter of an optical system. CONSTITUTION:A mirror 3 is arranged on the front proper position of the light receiving face of the optical system 1. This mirror 3 is provided with a long and narrow rectangular reflection area. This rectangular reflection area is relatively small in width, but is about the same as the diameter of the light receiving face in length. The mirror 3 is placed in a transverse direction in the condition that a longitudinal direction is placed in parallel with the light receiving side and the mirror is movable up and down and also in the condition that the rectangular reflection area is placed inclined 45 degrees to the light receiving side. Since the correction lights 4 are made incident on the rectangular reflection area from a lower section and reflected in the direction of the light receiving side as line light beam, the correction lights 4 are made incident on the full length of one line of the transverse direction on the light receiving side. Thus, when a driving section 5 is activated and the mirror 3 is moved in the upward direction 6 as shown in the figure, the correction lights 4 are made incident on the optical system by one line unit in order in accordance with the movement of the mirror and finally the correction lights are made incident from the full diameter of the optical system 1.
Patent JP-H04261432-A (JP)
Title: Production of polyamide imide resin
Inventor: ASANO MASAHIKO
IPC: C08G73/14
Filed: 1990-12-28
Abstract: PURPOSE:To provide an industrially practicable process for producing an aliphatic or aromatic polyamide imide resin having excellent heat-resistance and controlled molecular orientation and moldable by injection molding. CONSTITUTION:The objective polyamide imide of formula V having controlled molecular orientation can be produced by reacting (A) 1mol of benzene-1,2,4- tricarboxylic acid anhydride with (B) 0.475-0.525mol (preferably 0.49-0.51mol) of a diisocyanate of formula I (R1 is aromatic group of formula II or formula III) (e.g. m-xylylene diisocyanate) in the presence of (C) an alkali metal compound (preferably polybasic carboxylic acid alkali metal salt, alkali metal fluoride, etc.) in an aprotic polar solvent (preferably phosphorylamide, sulfoxide, etc.) at 100-250 deg.C mixing the reaction product with (D) 0.475-0.525mol (preferably 0.49-0.51mol) of a diisocyanate of formula IV (R2 is same as the group of R1) (e.g. m-xylylene diisocyanate) and carrying out the polycondensation reaction at >=150 deg.C.
Patent JP-H04250864-A (JP)
Title: Ultrasonic liquid spraying device
Inventor: TAKAHASHI MINORU
IPC: F24F6/12
Filed: 1990-12-28
Abstract: PURPOSE:To drastically improve spraying efficiency by arranging planer body having passage or chamfer smaller than outer form of exposed face against liquid of the piezoelectric vibrator in the bottom part of the vessel. CONSTITUTION:This device is providing with the piezoelectric vibrator 1 into the bottom part of a container 10 where liquid W is contained and further a planer body 16 having passage hole or chamfer for passing ultrasonic energy smaller than outside dimension of the exposed face toward the liquid of the vibrator 1 and forming the face so that the passage hole or the periphery of chamfer are closed, in the liquid. Therefore the related components for forming the main lobe in the ultrasonic energy emitted toward liquid face from the piezoelectric vibrator 1 is effectively passed.
Patent JP-H04265157-A (JP)
Title: Hydrogenation refining catalyst and its production
Inventor: HAMAYA TOSHIKI
IPC: C10G45/12
Filed: 1990-12-28
Abstract: PURPOSE:To provide a hydrogenation refining catalyst enabling efficient desulfurization, denitrification and hydrogenation of petroleum fraction by hydrogenation refining. CONSTITUTION:A silica-alumina carrier contg. 2-35wt.% silica is prepd. and 0.1-1.1wt.% PdO, 2.0-6.0wt.% CoO and 10-20wt.% MoO3 are supported on the carrier to obtain a hydrogenation refining catalyst. This catalyst has high catalytic performance to desulfurization, denitrification and hydrogenation and attains >=115 relative desulfurization activity and >=115 relative denitrification activity to light oil.
Patent JP-H04242648-A (JP)
Title: Ultraviolet germicidal device
Inventor: KAWAI KATSUHIRO
IPC: B23Q11/10
Filed: 1990-12-28
Abstract: PURPOSE:To provide an ultraviolet germicidal device which can exhibit a high germicidal efficiency even for a low transmittive liquid having an extremely low ultraviolet transmittivity (in particular cutting fluid). CONSTITUTION:Storage cylinders 10 are arranged in a staggered manner in a low transmittive liquid (cutting fluid) having a low ultraviolet transmittivity so as to generate a turbulent flow in the fluid. An ultraviolet discharge lamp is disposed in each of the storage cylinders 10 so as to irradiate the above- mentioned liquid to the ultraviolet rays. The above-mentioned lower transmittive liquid consequently flows into a position in the vicinity of the above-mentioned ultraviolet discharge lamp, thereby it is possible to irradiate the liquid to the ultraviolet rays in its entirety, resulting in an increase in the possibility of chance for sterilizing germs.
Patent JP-H04263046-A (JP)
Title: Alloy steel for piston ring
Inventor: SHIMIZU SEIJI
IPC: C22C38/12
Filed: 1990-12-30
Abstract: PURPOSE:To obtain an alloy steel sheet for a piston ring capable of securing wear resistance equivalent to that of an SWOSC-V hard Cr plating treated material to be a conventional steel without executing Cr plating treatment and, furthermore, excellent in heat resistance and scuffing resistance. CONSTITUTION:This is an alloy steel for a piston ring having the feature of contg., by weight, 0.50 to 0.80% C, 1.50 to 2.50% Si and 0.50 to 1.50% Mn, furthermore contg. one or >= two kinds among 0.05 to 0.50% V, 0.05 to 0.5% Nb and 0.05 to 0.50% Mo and contg., as necessary, 0.20 to 1.50% Cr and the balance Fe with inevitable impurities.
Patent JP-H0584415-A (JP)
Title: Gas adsorption treatment equipment
Inventor: TSUJIMOTO SOICHIRO
IPC: F17C11/00
Filed: 1990-12-21
Abstract: PURPOSE:To obtain gas adsorption treatment equipment excellent in adsorption and desorption characteristics by installing an adsorption element formed with an adsorption sheet including an adsorbent and a high heat conductive sheet in combination. CONSTITUTION:On at least one face of an adsorption sheet 1, a high heat conductive sheet 3 is brought into close contact whose ends are more extended outward than those of the adsorption sheet 1. The extended parts of the sheet 3 are isolated from the ends of the sheet 1 through a seal member 9. To the extended parts of the sheet 3 are connected heat exchange elements 7 for heat supply and heat removal. As a result, gas adsorption treatment equipment excellent in adsorptivity and desorptivity is obtained.
Patent JP-H054631-A (JP)
Title: Method and device for boxing goods
Inventor: SAKATA TAKAO
IPC: B65B65/08
Filed: 1990-12-29
Abstract: PURPOSE:To provide a boxing device of extremely high working ratio and productivity by which work loss in box opening work and counted number reading work by a worker can be obviated, and a prescribed number of desired goods can be put in a box instantly. CONSTITUTION:A goods boxing device is constituted of a box feeding means 2 which transfers and feeds through a feeding means a desired box 6 having a standing sealing piece 6a successively to a prescribed position, a sealing piece bending means 3 which crooks the sealing piece 6a of the box 6 transferred by the box feeding means 2 to the prescribed position by a sealing piece crooking means 3a and bends it to open outward, and a goods putting means 5 which counts a prescribed number of goods 8 transferred successively from a desired place, arranges and puts them in the box 6 with the sealing piece 6a bent outwardly by the sealing piece crooking means 3a of the sealing piece bending means 3.
Patent JP-H06503010-A (JP)
Title: 正しい背中の姿勢を指示する装置
IPC: A63B23/02
Filed: 1991-11-20
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。
Patent JP-H09501763-A (JP)
IPC: F16C13/00
Filed: 1995-05-23
Abstract: Described is a roller, in particular a roller for grinding or de-agglomerating a variety of materials. The roller is suitable for any application in which roller deformation, leading to a non-constant roller opening, in particular at high loads, is a problem. The aim of the invention is to improve a prior art roller so that adjustment is possible to maintain a constant opening in different operating phases. The aim is achieved by virtue of the fact that the roller consists of a core and shell, with elastic elements fitted between the core and shell.
Patent JP-S59502160-A (JP)
Title: 信号仲裁装置及び方法
IPC: G06F13/18
Filed: 1983-11-29
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-H07507233-A (JP)
IPC: C02F3/12
Filed: 1993-06-03
Abstract: PCT No. PCT/NL93/00114 Sec. 371 Date Nov. 10, 1994 Sec. 102(e) Date Nov. 10, 1994 PCT Filed Jun. 3, 1993 PCT Pub. No. WO93/24417 PCT Pub. Date Dec. 9, 1993A reactor for the biological treatment of water comprises a reactor vessel (1), a fermentation chamber (3) bounded in the vessel, inlets (10) for introducing influent into the fermentation chamber, a settling chamber (4) above the top boundary (2) of the fermentation chamber (3), for separating out sludge from treated water, a downer (5) extending downwards from the settling chamber through the fermentation chamber, for returning separated-out sludge to the fermentation chamber (3), and an outlet (11) for discharging effluent from the settling chamber. In order to improve and accelerate the separation of sludge from effluent in a simple manner, at least one supply line (8a, 9a, 17) opens out tangentially into the settling chamber. A whirlpool is produced in the settling chamber by the supply line.