baber/WOPTO huggingface dataset:
Patent JP-S6281041-A (JP)
Title: Formation of element isolation region
Inventor: ITO HIDEKI
IPC: H01L21/76
Filed: 1985-10-03
Abstract: PURPOSE:To suppress the spreading of diffusion layer formed by channel stop impurities by a method wherein the first oxide film, a nitride film and the second oxide film are formed in a laminated state on the surface of a semiconductor substrate, and after said films have been divided into element isolation regions by performing a photolithographic method, the third oxide film is grown, a frame is formed within the boundary of the element isolation regions using the third oxide film, by performing a complete etch-back with anisotropic etching, and channel stop impurities are ion-implanted. CONSTITUTION:The first oxide film 11, a nitride film (Si3N4) 12, and the second oxide film 13 are formed on the surface of a semiconductor substrate 10, and after a resist film 14 has been formed, an aperture is formed by performing a photolithographic method. After the resist film 14 has been removed, the third oxide film (SiO2) 15 is formed. The oxide film 15 is removed by performing an anisotropic etching having a directional property, and a frame 15-1 is formed thereon. Then, channel stop impurities are implanted, and the P<+> type diffusion layer 16 which is a channel stop region is formed. The oxide film 13, the frame 15-1 and the thermal oxide film 11 are removed, and after the surface of the semiconductor substrate 10 has been exposed, a nitride film (Si3N4) 17 is formed again. The nitride film 17 is removed by performing an anisotropic etching, and a frame 17-1 is formed. A field oxide film (SiO2) 18 is formed on a diffusion layer 16, and then the nitride film 12 and the frame 17-1 are removed.
Patent JP-H0557476-A (JP)
Title: Laser beam machine
Inventor: BANZAWA YOSHIAKI
IPC: B23K26/10
Filed: 1991-08-31
Abstract: PURPOSE:To carry out a worked work on a working table without being caught by many KENZAN (an implement on which thick needles are planted upside down and a tree branch, etc., are inserted for flower arrangement) pins arranged on the working table, and also, without damaging the worked work and the KENZAN pins. CONSTITUTION:A carrying truck 12 is provided so as to be movable between a receiving position P3 corresponding to a worked work Wa on a working table 1 and a carrying-out position P4 corresponding to a product station 14. On the carrying truck 12, plural supporting arms 18 are provided movably forward and backward and vertically. In a state that the carrying truck 12 is moved to the receiving position P3, the supporting arm 18 is advanced to the lower part of the worked work Wa on the working table 1, and also, moved upward in its state, and the worked work Wa is raised from on the working table 1 and received on the supporting arm 18. Thereafter, the carrying truck 12 is moved to the carrying-out position P4 from the receiving position P3, and in this state, the supporting arm 18 is moved downward, and also, retracted from the advancing position, and the worked work Wa is carried out onto the product station 14 from on the supporting arm 18.
Patent JP-H0771422-A (JP)
Title: Coupling
Inventor: TSUZUKI EI
IPC: F16B1/02
Filed: 1993-09-06
Abstract: PURPOSE:To provide uniform mechanical rigidity even against a load from any direction, regardless of a posture, by fitting both adapters with a lock mechanism working on the operation of a hydraulic cylinder along a peripheral direction. CONSTITUTION:A base side adapter 1 is fitted with a piston 5, a piston rod 7 and air pressure feed ports 27 and 26 for use at the time of coupling and separation in such state as connected to one another via a coupling side with a forward end side adapter 2. A spherical bearing 9 is fixed to the piston rod 7 via a shaft 8 and an open/close shaft 10 is provided along the axial extension line of the piston rod via the bearing 9. Furthermore, three sets of lock levers 11 are provided at the end of the adapter 1 via a pin 12 along a peripheral direction, and the forward ends thereof are coupled to the recessed section of the shaft 10. A spring 6 is housed between a robot side adapter plate 3 and the piston 5, and generates a reaction force equal to or over the total deadweight of the forward end side. Also, the adapter 2 is provided with guide holes 23 and 24, while the adapter 1 is provided with locating pins 20 and 21 coupled to the holes 23 and 24.
Patent JP-H0383389-A (JP)
Title: Circuit board
Inventor: KUSHII YUUICHI
IPC: H01P3/08
Filed: 1989-08-28
Abstract: PURPOSE:To improve mechanical strength of a circuit board by securing a metal plate shaped along the surface shape of a dielectric board as a ground conductor on one side surface of the dielectric board made of resin or mixture of resin and inorganic material and varying in thickness. CONSTITUTION:A metal plate 8 molded along the surface shape of a dielectric board 2 is secured as a ground conductor on the substantially whole surface of one side nonflat surface of the board 2. In the circuit board, the plate 8 as the ground conductor is operated to reinforce the board 2. Accordingly, such a board is strengthened against a mechanical stress such as vibration, etc. Accordingly, it is adapted for a circuit board of a mobile communication apparatus, a plane antenna, etc.
Patent JP-H0767798-A (JP)
Title: Antibacterial cutting board
Inventor: HASEGAWA KUNIO
IPC: A47J47/00
Filed: 1993-09-06
Abstract: PURPOSE:To provide an antibacterial cutting board which has excellent features a conventional cutting board has and is possible to keep the antibacterial action for a long time. CONSTITUTION:A wooden cutting board 5 is sufficiently impregnated by a silver oxide solution 3 which silver oxide 1 is dissolved in ammonia water 2, then dried and the silver oxide on the surface is wiped off to make it an antibacterial cutting board.
Patent JP-H0888232-A (JP)
Title: Manufacture of vertical mos semiconductor element
Inventor: RIYOUKAI YOUICHI
IPC: H01L29/78
Filed: 1994-09-16
Abstract: PURPOSE: To form a first conductivity area formed by using a gate electrode as a mask and second conductivity area formed by using a resist as a mask through a self-aligning process by introducing an impurity to first and second layers from an opening commonly provided for the first and second layers. CONSTITUTION: After successively forming a screen oxide film 21 and silicon nitride film 22 on the surface of a silicon substrate 1. An ion implanting widow 23 is formed by anisotropic dry etching. Then, after performing first boron ion implantation through the window 23, second boron ion implantation is performed by diffusing implanted boron in the substrate 1 by heat treating the substrate 1 at a high temperature. When the substrate 1 is again subjected to high-temperature heat treatment, a p-well 5 and p<+> -well 51 are formed. Then etching is performed from the window 23. After etching, only the silicon nitride film 22 is removed by wet etching and a gate oxide film 2 and polycrystalline Si layer 30 are successively formed by implanting arsenic ions. After forming the film 2 and layer 30, gate electrodes 3 are formed by patterning the layer 30 and film 2.
Patent JP-H11320675-A (JP)
Title: Oriented tubular film for housing food
Inventor: MARK VAN DER BREAK
IPC: B29D7/01
Filed: 1998-08-05
Abstract: PROBLEM TO BE SOLVED: To provide a casing material formed of a tubular film for packaging a food such as a sausage, cheese or the like or more particularly a recycled cellulose. SOLUTION: The tubular film contains a material recycled from a cellulose solution and dried. The recycled tubular film is oriented by 8 to 40% in a lengthwise direction and simultaneously by -20 to +40% in a lateral direction at the time of swelling. The orienting is maintained during drying, the combined orienting in the lengthwise and lateral directions is sufficient to increase a surface area of the film by at least 10% from a surface area immediately after recycling. The tubular film has a wall thickness of about 60 to 90% of the same tubular film not combination oriented.
Patent JP-2001047187-A (JP)
Title: Degassing device for die casting
Inventor: UOGISHI TSUTOMU
IPC: B22C9/06
Filed: 1999-08-04
Abstract: PROBLEM TO BE SOLVED: To provide a degassing device for die casting, in which the opening/ closing of a gas exhaust passage is surely executed and molten metal is not leaked from a gas exhaust hole at the ordinary driving time and at the cast- starting time. SOLUTION: A shut-off valve 14 is disposed at the outlet side of the gas exhaust passage 8 arranged so as to communicate with a cavity formed in the die, and also, a lever 19 for opening/closing the shut-off valve is shakably arranged. A pressure receiving pin 17 for pushing the lever 19 by raising the molten metal pressure in the gas exhaust passage 8 is arranged so as to be freely slid at the inlet side of the gas exhaust passage 8. Further, an opening cylinder 21 for pushing the lever 19 in the reverse direction and a shut-off cylinder 20 for pushing the lever 19 to the normal direction are provided.
Patent JP-H04105393-A (JP)
Title: Structure of via hole in ceramic multilayered board
Inventor: SHIBUYA HITOSHI
IPC: H05K1/11
Filed: 1990-08-24
Abstract: PURPOSE:To make the via viscosity control easy and to simplify the manufacturing process of a ceramic multilayered board as well by a method wherein through holes, whose hole diameters in the upper surface of a dielectric layer are large, whose hole diameters in the lower surface of the layer are small and which have the form of a trapezoidal section, are formed in the dielectric layer. CONSTITUTION:A ceramic dielectric layer 21 is prepared and a through hole 26 having a hole diameter to satisfy the conditions of phi3>=t and phi1<t is provided by punching or the like. In addition to this hole, a through hole 25 of a hole diameter to satisfy the conditions of t<phi2<4t is also provided. A via conductor 27 having a viscosity enough for the hole 25 to be filled with is filled in this layer 21 through the side of the hole diameter phi3 of the hole 26 by printing or the like and a via is formed.
Patent JP-S6285025-A (JP)
Title: Hot-melt polyester conjugate yarn
Inventor: KUME DAIZO
IPC: D01D5/30
Filed: 1985-10-04
Abstract: PURPOSE:To provide the titled yarn having plural ridges, made of a polyester having low softening point at the tip of the ridge and of a polyester having high softening point at the core part of the fiber, having a cross-section with a specific dimension and blendable to cotton wadding for quilt to give excellent elastic recovery without losing the bulkiness. CONSTITUTION:A polyester A having a softening point of 90-160 deg.C and a polyester B having a softening point of >=230 deg.C are dried under reduced pressure and subjected to the conjugate spinning with a melt-spinning apparatus for conjugated yarn furnished with a spinneret for producing a symmetrical trilobal fiber to obtain the objective hot-melt type polyester conjugated yarn having 3-4 ridges, made of the polyester B at the tip of the ridge and of the polyester A at the core part of the fiber and satisfying the formula I (CR is diameter of circumscribed circle of the cross-section of the fiber; PR is diameter of inscribed circle of the cross-section of the fiber), formula II (SR is diameter of the circumscribed circle of the core part of the fiber cross-section) and formula III.
Patent JP-H0890012-A (JP)
Title: Manufacture of seamless metallic tube
Inventor: WADA YASUHIRO
IPC: B21B25/00
Filed: 1994-09-16
Abstract: PURPOSE: To manufacture a seamless steel tube from a billet having a square cross section in one pass by making the shape of a piercing plug into a wedge shape or a pyramid shape in the tip part and into a cylindrical shape in the end part and situating the edge line of the wedge shape or the pyramid shape in the tip part to correspond to the center of groove bottom of the groove of the rolling roll having the groove. CONSTITUTION: In case of two rolls, the shape of the piercing plug 6 is made into the wedge shape or the pyramid shape in the tip part F and into the cylindrical shape in the body part G and the straight-line-like boundary part between planes in the tip part, that is, the edge line 7 is corresponded to the center 8 of the groove bottom of the opposite grooves of the rolling roll 1. In this way, the flow of a material to the middle part of the groove of rolling roll with the piercing plug 6 is suppressed and the repletion of a material to be rolled to the middle part of groove of the rolling roll is prevented. As the result, the shape in the direction vertical to the pass line of the material to be rolled after piercing is approximately kept in a circular shape.  At this time, the clearances in the flange parts are expanded on the outlet side of roll bite from just under the axis of rotation of the rolling roll, so fin flaws are not generated.
Patent JP-H02146087-A (JP)
Title: Dot matrix type liquid crystal display device
Inventor: YAGI SHIGERU
IPC: G09G3/36
Filed: 1989-08-30
Abstract: PURPOSE:To display a stereoscopic image by an easy method by arraying display dot parts whose view directions are specified to the right and left respectively in order alternately. CONSTITUTION:The display dot parts 3R whose view direction is set to the right by the sight dependency, etc., of crystal display and the display dot parts 3L whose view direction is specified to the left are arrayed alternately to view an image by the display dot parts 3R whose view direction is specified to the right with the right eye and an image by the display dot parts 3L whose view direction is specified to the left with the left eye. Then, the images for the right and left eyes are displayed individually and simultaneously. Thus, the stereoscopic image can be displayed by the easy method.
Patent JP-H0385197-A (JP)
Title: Washing machine
Inventor: IKEDA HIROSHI
IPC: D06F39/04
Filed: 1989-08-29
Abstract: PURPOSE:To obtain a more correct time necessary for drying of washing by detecting both weights of washing before washing and after dehydrating, calculating on detection results the volume of water contained in the dehydrated watching and calculating the time necessary for drying up the washing. CONSTITUTION:Inside of an outer box of a washing machine is supported an inner tub 2 elastically by means of a suspension device 5 which consists of plural suspension rods 3 and springs 4. In the suspension device 5, a spring 14 is interposed between a movable seat 12 at the lower end of the spring 4 and a flange 13 at the lower end of the suspension rod 3, and a pair of electrodes 15 and 16 are mounted opposingly on the seat 12 and the flange 13. The electrodes 15 and 16, a resistor and a 'not' circuit are connected to form an oscillation circuit 21, which works as a weight detecting means. A control device 31 receives the output from the circuit 21 together with operation signals from an operation part 39. Corresponding to the input and a prememorized control program, the control device 31 controls ON-OFF TRIACS 34, 36, 37 and 38, and also controls a signal output part 41 for providing signals to a drying machine to tell the time necessary for drying.
Patent JP-H0386218-A (JP)
Title: Hollow-fiber membrane module
Inventor: KIUCHI MASAYUKI
IPC: B01D63/02
Filed: 1989-08-29
Abstract: PURPOSE:To carry out different hollow fiber membrane treating operations with a single hollow fiber membrane module by separately and independently providing each hollow fiber group capable of communicating with the outside through its open end formed in a resinous partition wall in the same vessel. CONSTITUTION:A hollow fiber bundle consisting of many hollow fiber membranes is set in the cylindrical vessel 1. Resinous partition walls A and B are formed on both ends of the vessel 1, and the bundle is formed by a hollow fiber group X opened only on its wall A side and fluid-tightly fixed and a hollow fiber group Y opened only on the wall B side and fluid-tightly fixed. As a result, multistage hollow fiber membrane treatment and/or different hollow fiber treating operations are carried out in this single hollow-fiber membrane module.
Patent JP-H0647479-A (JP)
Title: Artificial molding sand and its production
Inventor: NAKANO TOMOKUNI
IPC: B22C1/00
Filed: 1992-07-28
Abstract: PURPOSE:To provide the artificial molding sand which is low in coefft. of thermal expansion and is inexpensive and the process for production of such molding sand. CONSTITUTION:This artificial molding sand is produced by pelletizing the powders formed by using at least one kind among the collected dust (silica sand dust) of an artificial silica sand production plant, the collected dust (reconditioned dust) of a waste sand reconditioning plant for molding sand and the collected dust (slag dust) of a slag sand production plant using the water granulated slag of a cupola as a raw material as main raw materials and classifying and/or pulverizing such raw materials to <=100mum max. grain size and <=30mum average grain size, then calcining the pellets at 1100 to 1450 deg.C.
Patent JP-H0559543-A (JP)
Title: Jig for sputtering
Inventor: SHIMANO CHIZUKO
IPC: C23C14/35
Filed: 1991-09-03
Abstract: PURPOSE:To uniformize the thickness of the sputtered film formed on substrates by inclining the apertures at both ends of the jig for sputtering which have plural pieces of the apertures in a straight shape and are mounted with plural pieces of the substrates at the angle coinciding with the angle of the magnetic field curves of magnetron. CONSTITUTION:The sputtering jig 1 of a magnetron sputtering device has plural pieces of the apertures 2 arranged in the linear shape and is provided with holding parts 3 for the substrates 31 in both side parts of the respective apertures 2. Of plural pieces of the apertures 2 of such jig 1, two pieces in both side parts are bent at the prescribed angle to the inner side and the rest are formed to a flat V shape. The bending angle is made to coincide with the curve of the magnetic field 22 by a magnet 24. The substrates 31 are mounted respectively in the apertures 2 of such constitution, are held by the holding parts 3 and are installed above a target 25. The substrates are then subjected to sputtering. The generation of the low density parts of magnetic lines of force between the substrates 31 and the magnetic field 22 is prevented in this way and the sputtered films having the uniform thickness are formed on the substrates 31.
Patent JP-S63153290-A (JP)
Title: Surface-activating surface alloy electrode and its production
Inventor: HASHIMOTO KOJI
IPC: C23C26/02
Filed: 1986-09-22
Abstract: PURPOSE:To obtain an electrode having high corrosion resistance and high activity without using an expensive element by radiating a high-density energy beam on a corrosion-resistant metal of >=1 kind among Ti, Zr, Nb, and Ta to melt the metal, quenching the metal, and then applying surface activating treatment to the metal. CONSTITUTION:The corrosion-resistant metal of >=1 kind among Ti, Zr, Na, Ta or the clad material of the corrosion-resistant metal and another corrosion-resistant metal or the corrosion metal further coated with one kind among Ru, Rh, Pd, Ir, and Pt and >=1 kind among Ni and Co is coated. A high-density energy beam is radiated on the metal at <=5,000 joule/cm<2> irradiation energy density and at <=5-10<-3>sec melting time to melt the metal, and then the metal is quenched to solidify the surface, at this time, controlled the thickness of the molten metal layer to <=150mum. The metal is dipped in an etching soln. preferentially dissolving Ni, Co, Ti, Zr, Nb, and Ta to concentrate the Pt-family metal responsible for electrode activity on the surface as well as to increase the effective surface area. By this method, the surface-activating surface alloy having high corrosion resistance and high catalytic activity can be formed on a crystalline metal.
Patent JP-H0963581-A (JP)
Title: Surface treatment method for hydrogen storage alloy powder and alkaline secondary battery obtained by applying this method
Inventor: NISHIMURA TAKESHI
IPC: H01M10/05
Filed: 1995-08-30
Abstract: PROBLEM TO BE SOLVED: To provide a surface treatment method capable of enhancing corrosion resistance to high concentration alkaline electrolyte for hydrogen storage alloy powder which is a negative electrode material of a nickel - hydrogen secondary battery, and provide an alkaline secondary battery with excellent high rate discharge characteristics at low temperature and long cycle life by applying this method. SOLUTION: A surface treatment method is that hydrogen storage alloy powder containing a rear earth element or a hydrogen storage alloy electrode supporting this hydrogen storage alloy powder as the main component is brought into contact with alkaline aqueous solution to increase the specific surface area of the hydrogen storage alloy powder, then brought into contact with acidic aqueous solution having a pH of 3-6 and containing fluorine ions to perform fluoridation treatment on the surface of the hydrogen storage alloy powder whose specific surface area is increased. An alkaline secondary battery using the hydrogen storage alloy electrode manufactured by applying this method as a negative electrode is obtained.
Patent JP-2001052716-A (JP)
Title: Manufacture of brass wire for negative electrode collector by removing welded part
Inventor: YAMAGUCHI TATSUGO
IPC: H01M4/66
Filed: 1999-08-05
Abstract: PROBLEM TO BE SOLVED: To provide a brass wire for the negative electrode collector of an alkaline primary battery capable of providing a high quality product brass wire which does not contain an impurity and a nonuniform part caused by welding while maintaining wire drawing efficiency of a material brass wire. SOLUTION: The rear end of a product brass wire 14 formed by completing wire drawing on the outside of the entrance 18a of a wire drawing machine 18 and the tip of a material brass wire 4 which has not been drawn yet are welded by interposing a linking brass wire 16 having a discolored surface between them, after that, the linking brass wire 16 is sent to the outside of the entrance 18b of the wire drawing machine 18 while drawing it, the linking brass wire 16 is removed together with the welded part, and the material brass wire 4 is then continuously drawn, in order to enhance drawing efficiency and materialize a high quality product brass wire 14. No burr adheres to the wire drawing machine by deburring the welded part, and no impurity adheres to the following material brass wire.  In addition, if the linking brass wire discolored with the age is used, no discolored part is lost in a wire drawing process, and therefore, the linking brass wire is reliably detected and removed.
Patent JP-H1063647-A (JP)
Title: Arithmetic unit for matrix
Inventor: TAKAHASHI SATOSHI
IPC: G06F17/16
Filed: 1996-08-23
Abstract: PROBLEM TO BE SOLVED: To continuously execute the operation of the whole matrix without additionally reading out the data of the matrix from an external storage device by executing arithmetic processing at a high speed to simultaneously apply all data necessary for matrix operation to a computing element and previously storing the data of all terms of the matrix in plural storage means. SOLUTION: The data of all terms of a matrix to be computed are dividedly stored in plural matrix data divided storing memories 6 to 9, necessary data are simultaneously read out from the memories 6 to 9 by a reading part 23 in accordance with the decoding result of a decoder 2 and sent to a product sum computing element 19 through a selector part 14 and the computing element 19 executes product sum operation and outputs the operation result 20, which is written in the memories 6 to 9 through a writing part 21.
Patent JP-S6282987-A (JP)
Inventor: NAKAGAWA KATSUYA
IPC: A63F13/73
Filed: 1985-10-04
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。