baber/WOPTO huggingface dataset:
Patent JP-H08250559-A (JP)
Title: Inspection of semiconductor device and probe card
Inventor: KOIKE NORIO
IPC: G01R31/26
Filed: 1995-03-14
Abstract: PURPOSE: To confirm the electric connection of the pads of semiconductor chips and the bumps of a probe card. CONSTITUTION: The total operating current of all semiconductor chips 2a, which are formed on a semiconductor wafer 2 by a probe card 10 having a first wiring layer 11 to which a power supply is connected and a second wiring layer 12 connected to the ground, is measured with an ammeter 13. Meanwhile, each operating current of the semiconductor chip 2a is measured, and the total of the respective operating currents is obtained. When the difference between the total of the respective operating currents and the total operating current is smaller than the minimum value of each operating current, it is regarded that all pads of the semiconductor chips 2a and all bumps of the probe card 10 are electrically connected securely.
Patent JP-H10242087-A (JP)
Title: Method of cleaning lapped semiconductor wafers
Inventor: MIYAZAKI SEIICHI
IPC: B08B3/08
Filed: 1997-02-21
Abstract: PROBLEM TO BE SOLVED: To suppress protrusions formed at an acid etching and avoid contamination due to penetration of foreign substances into pits, by dissolving the surface of a semiconductor wafer to specified depth at cleaning with a strong alkaline water soln. SOLUTION: A single crystal rod is sliced into semiconductor wafers, each wafer is chamfered, lapped, acid-etched and polished to form a mirror surface semiconductor wafer. After the lapping, the semiconductor wafer is washed with a strong alkaline water soln. to dissolve its surface at least to a depth of 4μm before the etching. The soln. is pref. a sodium hydroxide or potassium hydroxide water soln. which improves the marginal edge roughness. The water soln. temp. and concn. at cleaning are pref. 40-90 deg.C and 40-60wt.%.
Patent JP-H09220911-A (JP)
Title: Pneumatic radial tire
Inventor: TERATANI HIROYUKI
IPC: B60C11/00
Filed: 1996-02-16
Abstract: PROBLEM TO BE SOLVED: To improve the stiffness of the side wall of a tire by arranging fiber reinforced layers reinforced by extremely thin filament fiber on the inside sur face or the outer surface side of the carcass layer in the range from bead part to the lower part of the belt. SOLUTION: Both ends of a carcass layer 2 orienting the radial direction of a tire 1 are wound and folded back around a pair of right and left bead wires 3, 3' and two steel belt layers 4 are arranged like a ring over the carcass layer 2 in the radial direction of the tire and tread rubber 6 is arranged as the tread surface 5 of the tire thereon. Side rubber layers 7, 7' are stuck on both sides of the carcass layers 2 of the tread rubber 6 and fiber reinforcing member layers 8, 8' reinforced by extremely thin filament fiber are arranged on the inside surface of the carcass layer 2 from bead part to the lower part of the belt, where rigidity of side wall part of the tire is improved.
Patent JP-S56150832-A (JP)
Title: Electronic device
Inventor: KATOU TOKIO
IPC: H01L21/312
Filed: 1980-04-25
Abstract: PURPOSE:To enable to obtain the passivation structure having excellent waterproofing and chemicalproofing properties by a method wherein a photoresist film is formed on the protective polyimide resin film of a substrate through the intermediary of the reaction film which reacts to the photoresist film and the polyimide. CONSTITUTION:The polyimide resin film 3 is formed on the substrate 1, whereon a wiring 2 has been formed, as a protective film. On this film 3, the photoresist film 5 is formed through the reactive film 6 which reacts to said photoresist film 5 and the polyimide. According to the structure thus obtained, the photoresist is dissolved by the parting agent for resist, for instance, the organic solvent having the principal ingredient of benzenesulfoncarboxylic acid, and on the other hand, the polyimide is dissolved by hydrazine hydrazide. But said reaction film 6 has the dissolving speed of 1/10 or below to the dissolving speed of the above-mentioned two chemicals, thereby enabling to sharply improve the chemicalproofing property. Also, this reaction film 6 has an excellent waterproofing property.
Patent JP-H09222430-A (JP)
Title: Probe unit and information recording-reproducing device using it
Inventor: IKEDA TSUTOMU
IPC: G11B9/14
Filed: 1996-02-16
Abstract: PROBLEM TO BE SOLVED: To prevent warpage of a cantilever itself, to suppress a floating capacitance and to enhance a recording speed by providing a probe in which a metallic fine detection needle is formed on the cantilever consisting of Si monocrystal layer. SOLUTION: A cantilever 102 consisting of a monocrystal Si is disposed on a quartz substrate 101 and a metallic fine detection needle 103 is formed on the tip thereof. A bonding layer consisting of a metallic material is formed between the lever 102 and detection needle 103 and a metallic wire 105 is formed on the other end of the lever 102. Since the Si lever is used as a wire for drawing a tunnel current, warpage of the cantilever caused by a metallic wire is not created. In addition, the wire 105 is used for drawing the tunnel current so that an area of an electrode can be reduced compared to a probe coated with a conductive material. As a result, when information is recorded, a floating capacitance which is generated in a gap to a recording medium so that a voltage supplying time is reduced. That is, more speedy information recording can be achieved.
Patent JP-H04239380-A (JP)
Title: Biorhythm analyzer
Inventor: IIDA KAZUHIRO
IPC: G06Q50/22
Filed: 1991-01-11
Abstract: PURPOSE:To perform treatment and control considering biorhythm not being realized in a conventional system by finding a cycle and a phase in real time even for the biorhythm with high cyclic fluctuation by measuring biological information, and outputting or monitoring the calculated results of the phase and the cycle. CONSTITUTION:This analyzer consists of a sensor part 1 which measures the biological information, a phase calculation part 2 which calculates the phase of the biorhythm from measuring data or a vector phase calculation part 22, a cycle calculation part 4 which calculates the cycle of the biorhythm or a differential cycle calculation part 44, a phase display part 3, a cycle display part 5, a base cycle setting part 6 which sets the base cycle of phase calculation, a measuring cycle setting part 7 which sets the measuring cycle of the sensor part 1, a real angular phase calculation part 8 which finds a real angular phase, a trigger phase setting part 9, and a phase comparator 10 which issues a trigger signal by comparing a trigger phase with the real angular phase. Thereby, it is possible to perform the treatment and the control considering the biorhythm.
Patent JP-H11227378-A (JP)
Title: Ball-point pen tip for oil-based ink
Inventor: KOGURE MASANOBU
IPC: B43K1/08
Filed: 1998-02-19
Abstract: PROBLEM TO BE SOLVED: To provide a ball-point pen tip wherein a favorable writing trace being equivalent to a case wherein a conventional two-step caulking treatment has been applied, even when only a caulking treatment of one step is applied to the tip end of the tip, and also, there is no dripping of an ink. SOLUTION: As this ball-point pen tip 1 for oil-based ink, first, a tip main body 3 wherein the tip end part of the outer peripheral surface tilts at 30 deg. is formed of a ferrite based stainless steel. In a ball embracing chamber 7 of the tip main body 3, a ball 8 of which the diameter D is 0.5-1.0 mm, or 1.1-2.0mm is rotatably embraced. To the tip end of the tip, a caulking treatment of one step wherein the caulking angle N is 46±2 deg. or 53 deg.1 deg., is applied. In this case, a ball protruding amount H from the tip end of the tip is made 31±1% or 28±1% of the ball diameter. The caulking is performed in such a manner that the outer diameter L of the tip end of the tip may become 100-104% or 94-99% of the ball diameter.
Patent JP-H03254911-A (JP)
Title: Apparatus and method for molding optical element
Inventor: INAHASHI JUN
IPC: B29C43/36
Filed: 1990-03-06
Abstract: PURPOSE:To mold a plastic lens having a large deflection of wall thickness by making degassing holes on a barrel mold that is mounted on a lower mold for supporting a lens material. CONSTITUTION:A plastic material 8 of PMMA formed into a panel is inserted into a space defined by a lower mold 5 and a barrel mold 7 so as to be mounted on the molding surface of the lower mold 5 and, when the upper mold 4, lower mold 5, barrel mold 7, and the material 8 are heated by electrifying a heater 2, the material 8 is heat-softened and results in covering the molding surface 5a of the lower mold 5. At this time, air existing in the space between the material 8 and the molding surface 5a is discharged from a degassing hole 7a made on the barrel 7, so that the material 8 comes into close contact with the molding surface 5a. Following this, the upper mold 4 is lowered by a pressing rod 6 for press-molding the material 8. In this case, since air existing between the material 8 and the molding surface 4a of the upper mold 4 is discharged from the degassing hold 7a, the molding surface 4a and material 8 come into close contact with each other. And, after electrification to the heater 2 is stopped and the material 8 is cool-softened, the upper mold 4 is raised for removing an optical element. Whereby, in use of a plastic material having a small deflection of wall thickness, an optical element with an excellent transferring property can be molded.
Patent JP-S51129514-A (JP)
Title: An engine exhaust purifying apparatus
Inventor: TADOKORO ASAO
IPC: F01N3/26
Filed: 1975-05-06
Abstract: PURPOSE: In an exhaust purifying apparatus by means of supplying a hot secondary air to an engine exhaust, the exhaust discharge pipe is formed in bellows type, then thermal deformation due to the temperature difference between an exhaust discharge pipe and surrounding plates is prevented and a secondary sir is heated sufficiently. 
     COPYRIGHT: (C)1976,JPO&Japio
Patent JP-S57170332-A (JP)
Title: Device for rotating delivery roll of circulatory type corn drier
Inventor: IKEUCHI TAKAYUKI
IPC: B65G65/42
Filed: 1981-04-10
Abstract: PURPOSE:To contrive to simplify the construction of a corn drier by a method wherein delivery rolls for the corn are driven by a cross-engaged chain, and a chain contact preventing guide is used also for tensioning function. CONSTITUTION:The corn from a moisture-controlling tank 1 is passed through two downflow-type drying chambers 3 and is gradually discharged by a pair of delivery rolls 5, 14. The chain 16 is engaged crosswise to sprockets 6, 15 which are fixed respectively to the rolls 5, 14, and the crossing chain parts are prevented from contacting with each other by the chain contact preventing quide 18. The guide 18 is brought into elastic contact with the chain 16 by the elastic force of a spring 24 so that the guide 18 serves also as a chain tensioning device.
Patent JP-H03257222-A (JP)
Title: Piling method of improving ground foundation
Inventor: WATANABE TOSHIO
IPC: E01D19/02
Filed: 1990-03-06
Abstract: PURPOSE:To increase horizontal resistance force of foundation piles by integrally forming the fellow head parts of ground improves, formed in group piling shape or respective fellow head parts of the foundation pile and the ground improver in a space of the foundation piles of a building in the ground. CONSTITUTION:Respective head parts 15 of improving piles 14, 14... are connected to a plate-shaped connecting slab 17, formed between the lower surface of a foundation slab 11 and the piles, together with respective head parts 16 of foundation piles 13, 13.... The fellow head parts 15 of respective improving piles 14 are integrally formed with the fellow head parts of respective foundation piles 13. Next, a dug hole for forming the foundation slab 11 and the connecting slab 17 is excavated in the ground G for constructing a bridge 10. Further, each foundation pile 13 and each improving pile 14, whose point ends reach a supporting layer G2 are driven to the bottom surface of the dug hole. Then concrete is placed by winding in the head parts 15, 16 of each pile to the bottom surface of the dug hole. The bridge 10 is constructed on the foundation slab 17.
Patent JP-S56150680-A (JP)
Title: Temperature response valve
Inventor: EMA GENZOU
IPC: F16K17/38
Filed: 1980-04-23
Abstract: PURPOSE: To simplify the construction, improve the durability and lower the production cost by a method wherein a configuration memory metal is used as a temperature sensitive element to utilize the deformation stress due to the reversible transformation.  
     CONSTITUTION: Taking the case of the valve actuating in response to the temperature of a liquid to be controlled, the coiled spring shape temperature sensitive response element 14 is provided between the main body of valve 1 and a valve head 12 and opens or closes the valve in conjuction with a coiled spring 16 equipped at the free end of a valve rod 13. When the liquid temperature is low, the response element 14 has the martensite phase and shrinks itself to operate to close the valve. While, when the liquid temperature is high, the element 14 transforms into matrix phase and stretches itself to operate to open the valve. In contrast with the case described above, the element, which shrinks itself at high temperature and stretches itself at low temperature, can be employed. By applying the configuration memory metal as described above, the construction can be simplified, the durability improved and the production cost lowered. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-S56155564-A (JP)
Title: Semiconductor memory device
Inventor: WAKAMATSU SHIGEHISA
IPC: H01L27/10
Filed: 1980-04-24
Abstract: PURPOSE:To obtain a semiconductor temporary memory device which appreciably increased integration density by composing a memory cell of single element. CONSTITUTION:A pulse voltage is applied across an electrode 7 in an N type substrate 1 and an electrode 6 in a P type layer 2 in the forward direction. With an electrode 5 on an SiO2 thin film 4 kept at predetermined electric potential, minor carriers injected in the substrate 1 are held and stored under the film 4. The carriers can be erased by a reverse pulse voltage for writing. Next, with the electrode 5 and the substrate 1 kept at the same electric potential by applying a reverse pulse voltage across the electrodes 6, 7, a current flows into the electrode 6 to read the memory. And memory status is held by re-injecting minor carriers after reading. In this composition, as memory is possible by one element, integration will appreciably be improved if the device is applied to IC. And a high-speed operating memory device will be obtained as the minor carriers are moved by applying forward and reverse bias to a P-N junction or a Schottky junction.
Patent JP-S56152327-A (JP)
Title: Switch circuit
Inventor: EBIHARA HEIHACHIROU
IPC: H03K17/00
Filed: 1980-04-24
Abstract: PURPOSE:To eliminate current consumption in the steady state, by connecting the drain of the first MOS and the gate of the second MOS to one contact of the single- pole double-throw switch and by connecting the gate of the first MOS and the drain of the second MOS to the other contact. CONSTITUTION:When contact C of switch 3 is brought into contact with contact Y, the potential of contact Y is Vdd, and the first MOS transistor TR1 is turned on, and therefore, the potential of contact X is drawn to Vss, and the second MOS TR2 is turned off. Next, when contact C is connected to contact X, the potential of contact X is Vdd, and the second MOS TR2 is turned on rapidly, and therfore, the potential of contact Y is drawn to Vss, and the first MOS TR is turned off rapidly.
Patent JP-H04290391-A (JP)
Title: Electronic still camera
Inventor: HISATOMI SHUICHI
IPC: G06T1/60
Filed: 1991-03-19
Abstract: PURPOSE:To obtain the satisfactory electronic still camera with no photographing mistake by preventing data destruction while detecting defective clusters and prohibiting their application. CONSTITUTION:A CPU 23 writes one cluster of picture data in the prescribed one idle cluster, and the written picture data is read out from the cluster. The picture data once written in and read out from the cluster and the picture data before wrinting in the cluster are compared and collated with each other, and the equality of the collated picture data is discriminated. In the case of inequality, the CPU 23 judges the cluster as fault, and the cluster is prohibited to use. Then, the next idle cluster is searched and the picture data to be recorded is re-designated for reprocessing.
Patent JP-2000249980-A (JP)
Title: Stereoscopic picture display device
Inventor: IDESAWA MASANORI
IPC: G02B27/22
Filed: 1999-03-02
Abstract: PROBLEM TO BE SOLVED: To provide a method for presenting a stereogram by which images for a left eye and a right eye are superimposed and displayed within the same visual field without using a special tool such as stereoscopic vision spectacles and can be observed in an easy and natural convergence state by naked eyes in the case of binocular stereoscopic vision. SOLUTION: A structural part 310 having a surface in bellows shape is formed by combining wedged surfaces, and the image for the right eye 314 is presented on a surface (R) positioned on the right side of the ridge line of the apex part of a wedge and the image for the left eye 312 is presented on a surface (L) positioned on the left side from the ridge line. The structural part 310 is constituted so that the visual field of the left eye is covered with the wedged surface seen only from the left eye and the visual field of the right eye is covered with the wedged surface seen only from the right eye when it is seen from a specified place by a person. Therefore, only the image 312 is viewed by the left eye 152 and only the image 314 is viewed by the right eye 154 from the specified place, so that a stereoscopic picture is viewed.
Patent JP-H05227465-A (JP)
Title: Automatic focusing device
Inventor: KOMIYA YASUHIRO
IPC: H04N5/232
Filed: 1991-03-19
Abstract: PURPOSE:To provide an automatic focusing device whose focusing time is short, and is capable of the predictive AF of a moving body, and further, does not give a photographer an unpleasant feeling during focusing operation. CONSTITUTION:Focus signal detectors 41p, 41q for extracting only a prescribed frequency band out of a picture signal, and detecting plural focus signals corresponding to focusing degrees at plural positions of different optical path differences from the extracted signal, and a focusing controller 43 to judge the focusing state based on of plural focus signals from these detectors 41p, 41q, and simultaneously, detect a focusing position are provided. Then, a drive circuit 40 to change the relative position of image pickup elements 39p, 39q and a photographing optical system is controlled by this output.
Patent JP-S58173023-A (JP)
Title: Straightening method of cylindrical body
Inventor: WATANABE HISAO
IPC: B21D1/06
Filed: 1982-04-02
Abstract: PURPOSE:To remove strain of a cylindrical body caused by welding simply by welding small iron pieces on the weld line of a cylindrical body having a weld line in longitudinal direction. CONSTITUTION:For instance, when a perforated type differential pressure Pitot tube is formed by welding bisected cylindrical bodies 1, 1' and a partition plate 2, bending due to welding strain occurs in the longitudinal direction of the plate 2 and deformation is caused. To straighten this, small iron pieces are welded on the weld line 3 of the cylindrical bodies at proper spacing. Then, arc is generated on the top of small iron pieces in a manner of spot welding using an electric welding rod, and the welding rod is molten and rapidly heated partially, and bent cylindrical body is straightened. When correction is completed, small iron pieces 7 are cut off by a saw etc.
Patent JP-H02234711-A (JP)
Title: Electric rice cooker
Inventor: OSHIMA TAKAO
IPC: A47J27/00
Filed: 1989-03-09
Abstract: PURPOSE:To simplify the structure of a switch operating plate and reduce the production cost by using the switch operating plate solely for a rice cooking push button, forming a tongue section on a switch lever, and pushing the tongue section of the switch lever via a heat retaining push button. CONSTITUTION:A switch operating plate 20 is integrally molded solely for a rice cooking push button and rotatably fitted to the bracket 15a of a fixed plate by a shaft 9. A tongue section 23 is formed on a switch lever 11 so that a heat retaining push button pushes the tongue section 23 when a switch is opened or closed, and holes 21 and 22 to pass push buttons 5 and 6 are bored on the fixed plate 15. When a rice cooking push button 5 is pushed, the switch operating plate 20 is rotated in the arrow A direction, and the switch lever 11 is rotated in the arrow B direction via a contact section 10. When the heat retaining push button 6 is pushed, the tip of the button 6 pushes the tongue section 23 of the switch lever to rotate it in the arrow A direction, and the switch lever 11 is returned to the original position. The switch operating plate 20 is simplified, both machining and assembling are facilitated, and the assembling miss is sharply reduced.
Patent JP-S57171682-A (JP)
Title: Manufacture of display plate for timepiece
Inventor: ENOMOTO TADAO
IPC: C25D7/00
Filed: 1981-04-14
Abstract: PURPOSE: To manufacture a clock dial plate which is thin and also is not deformed, by combining in layers an electrodeposited metal provided with both compressive stress and tensile stress, to a hollowed part shaped like a display plate, which has been provided on a matrix and also has been treated so as to be electrically conductive, and also performing machine work to one side of the electrodeposited metal.  
     CONSTITUTION: A hollowed part 4 shaped like a complete dial plate molded in a plastic matrix 5 is coated with a copper conductive film 6. Subsequently, electrodeposited metals 7a, 7b of ≥2 layers are electrodeposited in the hollowed part 4 through this film 6. These metals 7a, 7b can be provided with compressive stress and tensile stress by electrodepositing bath. Subsequently, the surface of the metal 7b is removed by polishing work 8, necessary thickness of a dial plate is secured, and also tensile stress is given to the metal 7b. In this regard, 9a denotes a machining surface. After that, the metals 7a, 7b formed in ≥2 layers are peeled off from the matrix 5, and the dial plate is completed. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-H06545-A (JP)
Title: Production of golf club head
Inventor: HARADA MUTSUMI
IPC: A63B53/04
Filed: 1991-03-19
Abstract: PURPOSE:To provide the golf club head which is enhanced in directional stability at the time of hitting a ball by molding parts having large radii of curvature by a superplastic working method and molding a parts having small radii of curvature by a press working method. CONSTITUTION:Plural molds 10, 12 for superplastic working which have the molding cavities corresponding to the respective shapes of the parts dividing the golf club head of a shell structure to a plurality and can be divided to a plurality and a mold 16 for press working for the part having the small radius of curvature are provided. Plate bodies 18, 12 consisting of a superplastic alloy are respectively held between the molds 10, 12 for superplastic working divided to a plurality and while the respective plate bodies 18, 20 are kept heated to a superplastic working temp., fluid is forcibly fed into the respective molds 10, 12 for superplastic working from fluid introducing ports provided therein to plastically deform the respective plate bodies 18, 20 along the molding cavities of the molds 10, 12 for superplastic working, by which the parts having the large radii of curvature are deformed to the shape complying with the inside surface of the molding cavities. The parts of the small radii of curvature where the deformation is not yet completed are thereafter press formed by the preset working mold 16 to join the respective molded articles.