baber/WOPTO huggingface dataset:
Patent JP-H08186324-A (JP)
Title: Semiconductor laser and its manufacture
Inventor: MUSHIGAMI MASAHITO
IPC: H01S5/00
Filed: 1994-12-28
Abstract: PURPOSE: To obtain a semiconductor laser which reduces an irregularity in an element characteristic and in which the light-emitting wavelength of an ordinary laser is absorbed by a current stop layer by a method wherein compositions of compound semiconductors for a lower clad layer, a first upper clad layer, a second upper clad layer, an active layer and the current stop layer are specified respectively. CONSTITUTION: In a semiconductor laser, a first conductivity type lower clad layer 2, an active layer 3, a first second conductivity type upper clad layer 4, a first conductivity type current stop layer 6 which is provided with a stripe- shaped opening part and a second conductivity type upper clad layer 8 are laminated sequentially on a first conductivity type GaAs substrate 1. Then, the lower clad layer 2, the first and second upper clad layers 4, 8 and the active layer 3 are composed of compound semiconductors whose composition formula is expressed by Alx Ga1-x As (where 0<=x<=1, but 0<=x<=0.3 for the active layer 3), and the current stop layer 6 is composed of a compound semiconductor whose composition formula is expressed by (Aly Ga1-y )z In1-z P [where (z) is about 0.5].
Patent JP-2000079345-A (JP)
Title: Manufacture of fluorine compound
Inventor: MIKI ATSUSHI
IPC: B01J29/85
Filed: 1998-11-18
Abstract: PROBLEM TO BE SOLVED: To manufacture a fluorinated alcohol in a high yield under mild reaction conditions without using a special reagent or solvent by forming a solid acid from a composite oxide such as Si-Al or forming a catalyst by supporting an alkali metal component on a solid acid. SOLUTION: For manufacturing a fluorinated alcohol having water and oil repellent properties, a solid acid or a catalyst wherein alkali metal components are supported on a solid acid is used. In this case, as the solid acid, oxides of Si-Al or Al-P, or oxides of Si-Al-P or Lewis acid are used. As the alkali metal components, potassium, potassium oxides and potassium salts, or a mixture of two or more kinds of these materials are used. Further, water is caused to react with a compound represented by the formula Rf-(CH2)nX (RF shows perfluoroalkyl group or the like and X shows I or the like) in the presence of catalysts to manufacture a fluorinated compound represented by the formula: Rf-(CH2)n-OH.
Patent JP-2001138186-A (JP)
Title: Centerless grinding method
Inventor: SATO CHUICHI
IPC: B24B53/007
Filed: 1999-11-18
Abstract: PROBLEM TO BE SOLVED: To provide a centerless grinding method for preventing foreign matters from being caught between an adjusting wheel and a workpiece for improving machining precision and eliminating instability phenomenon so as to improve production efficiency. SOLUTION: A workpiece W is inserted between a rotary grinding wheel 23, and an adjusting wheel 25 disposed to be inclined for a specified angle to an axial center of the rotary grinding wheel 23, and this workpiece W is supported by a workpiece rest 27 while it is rotated roughly at the same circumferential speed as the adjusting wheel 25 to be ground at an outer circumference in this centerless grinding method, where grinding is performed while a part 33 of the adjusting wheel 25 positioned below the workpiece W is washed. As a washing means 31 for that, high pressure cleaning liquid injecting nozzles 35a, 35b for injecting high pressure cleaning liquid and/or a brush 37 to slide and get in contact with the part 33 of the adjusting wheel 25 positioned below the workpiece W for eliminating foreign matter are usable.
Patent JP-H02173260-A (JP)
Title: Sputtering device
Inventor: NAKADA JUNJI
IPC: H01F41/18
Filed: 1988-12-26
Abstract: PURPOSE:To form a magneto-optical recording film uniform in both the distribution of film thickness and composition on the surface of a base plate by properly controlling size of a target to be utilized, the angle for the surface of the base plate and the interval between the target and the base plate in the case of utilizing a plurality of targets and forming the magneto-optical recording film made of a thin alloy film on the base plate by sputtering. CONSTITUTION:In the case of forming a magneto-optical recording layer on a base plate 11 by a magnetron sputtering method, a first metallic target 1 for forming a magneto-optical recording alloy film and a second metallic targets 2a, 2b therefor are arranged. While the base plate 11 is transferred thereover to the direction shown in an arrow A, the magneto-optical recording film is formed which is made of alloy consisting of the metals of both targets as a component. In this case, the surface of the first metallic target 1 is made parallel to the surface of the target 11 and the interval between both is defined as Lts. Further when the angle formed between the target and the surfaces of the targets 2a, 2b is defined as alpha and the length of the short sides of the targets 2a, 2b in the travelling direction of the base plate is defined as a, the target having such value that the formulas I, II, III are satisfied are utilized.
Patent JP-H07179750-A (JP)
Title: Molded article of carbon black-containing polyamide resin
Inventor: HATTORI YOSHIHIRO
IPC: C08K3/04
Filed: 1993-12-24
Abstract: PURPOSE:To obtain a molded article of a polyamide resin suitable for injection molding, etc., having excellent elongation and weather resistance, not clouding the surface of a molded article during use, not coloring another molded article which is kept in contact with the molded article of a polyamide, comprising a polyamide resin and specific carbon black in a prescribed ratio. CONSTITUTION:This molded article of a polyamide resin comprises (A) 100 pts.wt. of a polyamide resin such as nylon 6 or nylon 66 and (B) 0.05-5 pts.wt. of carbon black such as channel black having pH<=3 and >=10% volatile content.
Patent JP-H07183690-A (JP)
Title: Electronic component mounting apparatus
Inventor: SAKAMI SEIJI
IPC: H05K13/02
Filed: 1993-12-24
Abstract: PURPOSE:To prevent moisture from expanding to cause a crack on a mold body when an electronic component is heated at the time of reflow in a subsequent process by a method wherein the mold of the electronic component absorbs moisture in the air in an electronic component mounting apparatus for picking up the electronic component prepared on a tray by a pickup head to mount in onto a board. CONSTITUTION:An electronic component supply part A for supplying an electronic part 1 to a pickup head 34 is formed of a magazine 12 for housing trays 14 in a stack, a lift means for lifting/lowering the magazine 12 to move a predetermined tray 14 to a draw-out level by a draw-out means B, a case 11 where the magazines 12 are stored and a dehumidifier 40 for removing moisture in the case 11.
Patent JP-H07185425-A (JP)
Title: Viscous material application device
Inventor: IIZUKA AKIRA
IPC: H05K3/34
Filed: 1993-12-27
Abstract: PURPOSE:To shorten an application time interval and thereby enhance productivity in a viscous material application device. CONSTITUTION:A viscous material application device 21 is constituted of an application device 22 and solenoid valves 23, and the solenoid valves 23 are connected to a single application unit 22. Consequently, it is ensured that a longer pause time than an operating time can be given to each solenoid valve and an application time interval can be shortened by providing such an operating mode that one solenoid valve is activated, while the other solenoid valve is inoperative.
Patent JP-H02212002-A (JP)
Title: Rotary cutting tool
Inventor: DANIERU AARU SUTASHIYUKOO
IPC: B23D77/04
Filed: 1989-12-21
Abstract: PURPOSE: To facilitate radial adjustment of a cutting insert, by providing a reamer-form rotary cutting tool with a pair of guide pads for stabilizing cutting, and the cutting insert combined with various structural features convenient for adjustment. CONSTITUTION: A holder 4 has a horizontal axis 10 and a vertical axis 8, and the axis 8 and the axis 10 intersect a longitudinal axis 16. A drilled hole 32 is provided along an axis 34 away from the axis 10 in parallel in the condition that it extends from a surface 16 to the inside of the holder 4. Similarly, a drilled hole 32 is provided along an axis 40 in the condition that it extends from the surface 16 to the inside of the holder 4. A drilled hole 42 extending to the inside of the holder 4 is provided along an axis 44, and a recessed part 46 is provided along an axis taking an angle of 50 deg. relative to the axis 8. A cutting insert is installed as described here. A guiding pad 54 is positioned in a recessed part 22, and a guiding pad 60 is positioned in a recessed part 26.
Patent JP-H09172217-A (JP)
Title: Solid state laser rod
Inventor: KURODA MASAHIRO
IPC: H01S3/094
Filed: 1995-12-19
Abstract: PROBLEM TO BE SOLVED: To enable a solid state laser rod making the photointensity distribution of outputted laser oscillating beams the Gauss distribution to be manufactured simply and easily. SOLUTION: A plurality of cylindrical hollow laser rods with different diameters 22, 23, 24 are successively and concentric circularly bonded onto the outer periphery of a columnar solid laser rod 21 by insertion-arrangement so as to compose the solid state laser rod 20. On the other hand, the laser rods 21, 22, 23, 24 are formed by melting laser active ions into a laser base material while the concentration of the laser ions is made even in respective laser rod units while increased stepwise between mutual laser rods in the order of 24, 23, 22, 21. Besides, this solid state laser rod 20 outputs laser resonance beams excited by plural side exciting mode.
Patent JP-H11156429-A (JP)
Title: Die for extruding hollow metallic member
Inventor: YANO SADAHIDE
IPC: B21C25/02
Filed: 1997-12-01
Abstract: PROBLEM TO BE SOLVED: To improve extrusion speed by using an extrusion die which is provided with a core having a hollow part and a thick-walled annular circumferential wall member whose inside is an extrusion material passage, and in which a side edge part is engaged with the annular circumferential wall member so that the core is directed in the extrusion direction. SOLUTION: A core 1 is preferably formed of a hard material such as cemented carbide and ceramics, and a hollow part forming part 1a is formed on its tip part. A female die 2 formed of the hard material and having a formed hole 2a which forms an outer circumferential part of a hollow member is stored in an annular circumferential wall member 3, and the core 1 is directly supported by the female die 2, or indirectly across a plate 4 to regulate the flow of an extrusion material. A core cover 13 is arranged at a rear part of the core 1, and preferably held by the annular circumferential member 3 close to the core 1 with an interval to the core. An extrusion material passage of the annular circumferential wall member 3 can be continuously and easily worked and manufactured through wire cutting.
Patent JP-S63253027-A (JP)
Inventor: JIYOSEFU JIEI BAROROOZU
IPC: A61K31/78
Filed: 1987-12-28
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-2000154965-A (JP)
Title: Refrigerator
Inventor: FUJISAWA KATSUYOSHI
IPC: F25D21/14
Filed: 1998-11-20
Abstract: PROBLEM TO BE SOLVED: To reduce in sizes a water receiver, to broaden the inside of a refrigerator, to reduce an air passage resistance and to enhance a cooling efficiency by providing a tray for introducing defrosted water dropped from the vicinity of a front surface side of a cooler and introducing the water into the receiver. SOLUTION: This refrigerator comprises a small-sized water receiver 5 having an area smaller than a lower projecting area of a cooler 3. The cooler 3 is projected at a size A from the receiver 5 to a front surface side. Water droplets from the cooler 3 extended from the receiver 5 to the front surface side flow to the receiver 5 by a tray 16 projected from a fan grill 11. The tray 16 is extended by a size B into the receiver 5. The receiver 5 can be reduced in size, a heat insulator 10 for partitioning a machine room 9 and a deep freezing chamber 2 can be hence reduced in thickness, and the chamber 2 can be broadened. An area of a part for passing return cold air 15 from the chamber 2 can be increased so as to scarcely become resistance.
Patent JP-H05166555-A (JP)
Title: Junction circuit board for flat wire harness, flat wire harness, manufacture thereof and wiring machine
Inventor: OKAMOTO SHINICHI
IPC: B60R16/02
Filed: 1991-12-13
Abstract: PURPOSE:To facilitate weight reduction of flat wire harness and automation of the manufacture of the harness. CONSTITUTION:A junction circuit board A comprises a junction substrate 2 having a connector mounting portion 23 provided at the end portion thereof, a connector housing 26 having one end rotatably mounted to the connector mounting portion 23, a wire fixing terminal fixed to each terminal storage portion 27, and a substrate cover 24 provided with a connector fixing portion 23', etc. The wire fixing terminal is provided with a pressure contact portion and a connector terminal portion and each terminal storage portion 27 has on its bottom wall a hole into which the wire fixing terminal is inserted. Flat wire harness is manufactured by disposing across the hole of each terminal storage portion 27 the terminal portion or middle portion of a wire disposed via corner pins 22, and inserting the pressure contact portion of the wire fixing terminal into the hole from above the terminal portion or middle portion of the wire to press the wire into contact with a slot and fix the wire and the wire fixing terminal.
Patent JP-H07191395-A (JP)
Title: Camera
Inventor: TACHIBANA ATSUSHI
IPC: G03B17/02
Filed: 1993-12-27
Abstract: PURPOSE:To reduce the cost of a camera, to prevent water from entering the inside of the camera and to adjust internal pressure in accordance with the movement of a lens barrel without increasing the number of parts so much by providing a ventilation groove and a ventilation hole and covering them with a different member so that air can be sucked and exhausted. CONSTITUTION:The ventilation groove 41 on which water repellent coating is executed is formed on the joining surface of a main body cover 1 to a grip rubber 3. The groove 41 is extended toward the upper part of the camera. When it is extended by prescribed length, a space,42 beat at an almost right angle toward the lens barrel is formed there. The ventilation hole 43 is formed on the bottom surface A of the space 42 and made to communicate with the inside of the camera by being bent in the center direction of the camera in the midst thereof Then, such structure that the inside and the outside of the camera are made to communicate is obtained. Besides, a cloth on which water repellent processing is executed is stuck near an aperture part on the inside of the hole 43 so as to obtain such structure that the water does not directly enter the inside from the aperture part. Therefore, even when the water flows from the lower part, it hardly enters from the hole 43 and the internal pressure can be adjusted in accordance with the movement of the lens barrel at the zooming time of the camera.
Patent JP-2000225311-A (JP)
Title: Carbon monoxide separation method by adsorption
Inventor: HIRANO SHIGERU
IPC: B01D53/02
Filed: 1999-11-22
Abstract: PROBLEM TO BE SOLVED: To provide a carbon monoxide gas separation method using an innovative adsorbent provided with further excellent carbon monoxide gas adsorbing capability. SOLUTION: In a method for removing carbon monoxide from a gas mixture consisting of at least two types of gases including carbon monoxide by bringing the gas mixture into contact with a zeolite, the zeolite to be used is a faujasite type zeolite having practically 1.0 of Si/Al atomic ratio of the skeletal structure and the cations after ion exchange of the zeolite are two or more metals in combination selected from alkali metals, alkaline earth metals, transition metals, and rare earth metals. The adsorption capacity difference (b-a) of the zeolite between (a) the carbon monoxide adsorption capacity at 760 mmHg pressure and 25 deg.C and (b) the carbon monoxide adsorption capacity at 38 mmHg pressure is 17.0 Nml/g or higher and Langmuir constant of the adsorption isotherm at 25 deg.C of the zeolite is 3.3×10-2 mmHg-1 or lower.  Carbon monoxide is adsorbed and separated from a gas flow by using such a zeolite.
Patent JP-2001146793-A (JP)
Title: Dome-installing method
Inventor: KONDO MAKOTO
IPC: E04B7/08
Filed: 1999-11-22
Abstract: PROBLEM TO BE SOLVED: To provide a dome-installing method wherewith a dome covering the upper part of a sports stadium is installed in a term of work at a cost which are shorter and smaller as compared with those requred in a conventional way of installation. SOLUTION: The dome-installing method comprises a process of erecting steel trusses 11 on the upper end of an outer circumferential wall and hoisting a traveling crane 12 up to the steel trusses, a process of connecting each of truss members lifted up by the crane 12 to each of the steel trusses 11 and erecting steel trusses 11 each in a specified length radially extending from the peripheral part to the center, a process of joining the adjoining steel trusses 11 of the erected steel trusses 11 with tie rods 14, and a process of forming a frame of steel truss structure covering entirely the upper part of the outer circumferential wall by repeating processes of erecting up of the steel trusses and reinforcement.  Thereby, temporary installation of installation working platforms 2 or timberings 5 becomes unnecessary, requiring no costs for temporary installation and removal, and term of workcs can be reduced to a great extent while the surface of a sports ground can be used even though the construction work is in process.
Patent JP-2001145477-A (JP)
Title: Mushroom vinegar and production process therefor
Inventor: MAEHARA KASHIO
IPC: A23L19/00
Filed: 1999-11-22
Abstract: PROBLEM TO BE SOLVED: To pickle a variety of mushrooms in vinegar and produce a variety of mushroom vinegars in this case six kinds of mushrooms including Agaricus blazei Murill and the like are strictly selected and the active ingredients and in these mushrooms are extracted into the vinegar and realize mushroom vinegars that are effective for health promotion and a variety of diseases. SOLUTION: At least one of mushroom selected from Jews-ear, champignon (Lyophyllum aggregatum), Enokitake (Flammulina velutipes) or matsutake mushroom (Tricholoma matsutake), Agaricus mushroom, and Shiitake mushroom are soaked in vinegar for a prescribed time to extract the components from them and the extract vinegar solution is separated and the mushrooms are remained in the vessel. Every time when a prescribed amount of the extract vinegar solution is consumed, new vinegar is added to the vessel to repeat the extraction of the mushroom with vinegar whereby the mushroom vinegar extract is continuously produced.
Patent JP-H01170611-A (JP)
Title: Production of polyurethane
Inventor: MAEDA KOHEI
IPC: C08G18/63
Filed: 1987-12-26
Abstract: PURPOSE:To provide the title product having good physical properties without the sedimentary coagulation of a metal soap, by using a modified polyol produced by polymerizing an ethylenic unsaturated monomer in a polyether polyol in the presence of the metal soap as an inner mold release agent. CONSTITUTION:(C) An ethylenic unsaturated monomer is first polymerized in the coexistence of (B) a metal soap (preferably zinc stearate, etc.) in (A) a polyether polyol to provide a modified polyol. The produced modified polyol as at least part of active hydrogen atom-containing compounds is subsequently reacted with a polyisocyanate, as necessary, in the presence of a catalyst, foaming agent and other additives to provide a polyurethane. The component A is preferably one having a terminal polyoxyethylene chain. The component C is preferably hydroxyethyl methacrylate, etc.
Patent JP-H02175710-A (JP)
Title: Production of ethylene/propylene elastomeric copolymer
Inventor: AKEMA HIROSHI
IPC: C08F210/16
Filed: 1988-12-28
Abstract: PURPOSE:To obtain an elastomeric copolymer having excellent resin properties and suited as a thermoplastic rubber by copolymerizing a propylene/ethylene monomer mixture containing a liquid monomer in the presence of a specified catalyst containing Ti, Al and an organic acid ester. CONSTITUTION:The purpose copolymer is obtained by copolymerizing a monomer mixture of propylene with ethylene containing at least one liquid monomer in the absence of any inert solvent in the presence of a catalyst comprising a mixture of a solid titanium catalyst component obtained by copulverizing a magnesium halide with an organic acid ester and a titanium halide compound and having a specific surface area of 30-80m<2>/g and a molar ratio of the ester to the magnesium halide of 0.005-0.165, an organoaluminum compound and an organic acid ester. As the organic acid ester used, ethyl benzoate is particularly desirable.
Patent JP-H07190757-A (JP)
Title: Distance measuring device
Inventor: SUZUKI TOSHIHIKO
IPC: G06T7/00
Filed: 1993-12-27
Abstract: PURPOSE:To compute a distance up to an object quickly and without fail, regarding a distance measuring device using an image sensor. CONSTITUTION:An image signal received through a CCD camera 10 is digitized in an A/D converter 12 and stored in a frame memory 14. Also, a microcomputer 16 sends the stored image signal to an image processing device 18 and extracts the edge section of the image. Then, the microcomputer 16 performs the phase operation of the image for such a section as corresponding to the edge section, and computes a distance range obtainable in the form corresponding to a discrete shift amount. Furthermore, least square method is applied to the distance range of an extracted image block for calculating a distance to an object. As a result, a distance can be quickly calculated, as the phase operation is carried out only for the edge section.
Patent JP-H08157582-A (JP)
Title: Production of polyethylene naphthalate
Inventor: TAMURA KAZUTOSHI
IPC: C08G63/82
Filed: 1994-12-08
Abstract: PURPOSE: To obtain a process for producing polyethylene naphthalate without causing troubles such as the occurrence of minute foreign matters and the coloration of the polymer by specifying the amts. of specific atoms contained in catalysts. additives. etc., added. CONSTITUTION: In producing polyethylene naphthalate by using a dialkyl dicarboxylate and a glycol as the main components and by conducting transesterification and polycondensation, catalysts, additives, etc., are added to the reaction system so as to satisfy the following relations: 1.0<M<40, 0.5<M/P<5.0, 0.4<B<4.0, and 0.2<A<8.0 or 1.0<M<40, 0.5<M/P<5.0, 0.2<B'<2.0, and 0.2<A<8.0 [wherein M is the amts. (g-atom/t) of Ca, Mg, and Mn atoms added based on the polymer; P is that of P atoms; B is that of Sb atoms; B' is that of Ge atoms; and A is that of a basic nitrogen compd.). Usually at least 80mol% of the acid component is dimethyl 2,6- naphthalenedicarboxylate and at least 80mol% of the glycol component, ethylene glycol.