baber/WOPTO huggingface dataset:
Patent JP-H07252631-A (JP)
Title: Austenitic stainless steel for forming passive film and formation of passive film
Inventor: OMI TADAHIRO
IPC: C23C8/18
Filed: 1994-03-16
Abstract: PURPOSE:To provide an austenitic stainless steel for forming passive films; and a method for forming the passive films capable of surely forming the oxidation passive films essentially consisting of chromium oxide which does not contain an iron-component. CONSTITUTION:The steel which is >=4/100 in the intensity ratio (I2/I1) of the intensity value (I1) of the max. peak detected in a range from 42 to <44 deg. of a diffraction angle 2theta of diffraction X-rays at the extreme surface and the intensity value (I2) of the max. peak detected in a range from 44 to <46 deg. is subjected to baking in an inert gas, by which moisture is removed from the surfaces of the stainless steel. This stainless steel is then subjected to a heat treatment at 300 to 600 deg.C in a gaseous mixture atmosphere composed of the inert gas and 500ppb to 2% gaseous H2O, by which the oxidation passive films essentially consisting of the chromium oxide which does not substantially contain the iron component are formed at least at >=1.5nm from the extreme surface.
Patent JP-H09241684-A (JP)
Title: Cleaning composition and cleaning method
Inventor: TOMITANI MANABU
IPC: B08B3/04
Filed: 1996-03-04
Abstract: PROBLEM TO BE SOLVED: To obtain a cleaning composition composed of guanidine carbonate, a water-soluble solvent and water at specific ratios and capable of cleanly removing particulate stain, grease of hand, etc., attached to a cleaning object such as a working metal part without leaving the residue. SOLUTION: This cleaning composition is composed of (A) 0. 01-10vol.% of guanidine carbonate, (B) 40-60vol.% of a water-soluble solvent (preferably alcohols, ketones, etc.) and (C) the remaining part of water. The cleaning with the cleaning composition is preferably carried out at <60 deg.C to prevent the hydrolysis of the component A. Preferably, the cleaned material is rinsed with hot water of >=80 deg.C and dried at >=80 deg.C to prevent the formation of residue caused by the hydrolysis of the component A.
Patent JP-S62203394-A (JP)
Title: Bonding for semiconductor laser
Inventor: YAMAMOTO AKIHIRO
IPC: H01L21/52
Filed: 1986-03-04
Abstract: PURPOSE:To enhance efficiency of the bonding system of a semiconductor laser by a method wherein an intermediate chip and a laser chip are laminated to be positioned on a post, the post is made to come in contact with an electrode, and by turning the post on electricity, the post is heated to bond the post and the respective chips at the same time. CONSTITUTION:Gold is plated on the surface of a post 2 consisting of copper, the post is protruded from a stem 1, and the equipping surface 5 of an intermediate chip 3 is formed on one side of the stem 1. The chip 3 thereof is formed of a silicon small plate, silver is plated on the surface thereof, and a laser chip 4 is supplied correctly on the prescribed position on the chip 3. Positioning of the chip 3 and the laser chip 4 in regard to the post 2 thereof is performed according to a chip press 7, a positioning plate 8 and a pushing moving lever 9 provided at the rear edge. After the chip 3 and the laser chip 4 are pressed to be fixed, the post 2 is turned on electricity to be heated. Eutectic bonding of plated gold and silver on the surfaces of the post 2, the chip 3 and the laser chip 4 is attained according to turning on electricity and heating thereof, bonding is performed at the same time, and efficiency of the system is enhanced.
Patent JP-H03248130-A (JP)
Title: Semiconductor optical amplifying element, semiconductor optical element and method for using these elements
Inventor: NITTA ATSUSHI
IPC: H01S3/105
Filed: 1990-02-27
Abstract: PURPOSE:To obtain an always high gain state by forming regions which are electrically changed in the refractive index of a semiconductor near the end of a semiconductor laser and changing the refractive index of these regions. CONSTITUTION:The constitution to electrically control the refractive index of the waveguide layer parts, i.e. window waveguide layers 7a, 7b in contact with antireflection films 10a, 10b in such a manner that the reflectivity of the antireflection films 10a, 10b is smaller with respect to the wavelength of input light or the peak wavelength at the gain spectra of an active layer 4 is adopted. The equiv. refractive index of the window waveguide layers 7a, 7b is, therefore, changed by a plasma effect. The higher current injection state, i.e. high gain state is obtd. in this way.
Patent JP-H08223110-A (JP)
Title: Radio packet collision detecting system
Inventor: KUNO YUTAKA
IPC: H04L12/725
Filed: 1995-02-13
Abstract: PURPOSE: To control the recovery in accordance with the cause of error in the case of the occurrence of data error in the middle of radio packet communication. CONSTITUTION: When the cause of error is interference, the radio channel is switched to avoid the interference. when it is the collision of packets, data retransmission control in the collision resolution mode is performed; and when a desired wave reception level is lower than a prescribed value K', it is judged that the distance between the radio base station and the radio terminal is too far, ana the transfer processing to an adjacent cell is performed.
Patent JP-H01221073-A (JP)
Title: Image information recording and reproducing system
Inventor: NOMURA SATORU
IPC: H04N5/91
Filed: 1988-02-29
Abstract: PURPOSE:To selectively display recorded image information in a partial area of an image by inserting a graphic code and an instruction code as a sub-code in a coding information signal to record the information in a recording medium and mixing a signal corresponding to the graphic code in a part determined by the instruction code at the time of reproducing. CONSTITUTION:When a window set instruction is decoded, data representing a zero % mixing ratio of video format signals instructed by a sub-code is written in an address of a window attribute memory device 67 corresponding to a font outside the widow. But, in an address corresponding to a font inside the window, data representing a designated mixing ratio is written. A mixing ratio for the part of an image B by video format signals instructed by a sub- code outputted from an analog video signal conversion circuit 65 which corresponds to respective fonts in a window D is set 100%. As a result, an image C can be formed by synthesizing parts of an image A outside the window D and those of the image B in the window D together.
Patent JP-H10234280-A (JP)
Title: Fastening device for fishhook, and support for the same
Inventor: MARUTA TOSHIHIKO
IPC: A01K97/00
Filed: 1997-02-28
Abstract: PROBLEM TO BE SOLVED: To provide a fastening device for fishhook that is devised so as to easily hold a fishhook set to a support on a chuck member without deviating its set position. SOLUTION: The fastening device for fishhook is composed of a hand part 1 having a cylindrical section, operating cylinder body 2 inserted into the cylindrical section at one side part of this hand part 1 so as to slide for prescribed width while energizing sliding in one direction, chuck member 9 having plural pawl parts 9a inserted and locked on one side of this operating cylinder body 2 so as to slide while energizing sliding in one direction, fastening cylinder body 7 helically screwed into one terminal part of hand part 1 while internally inserting one part of this chuck member 9, lock means 11 for locking or unlocking the operating cylinder body 2 with or from the hand part 1, and leader guide pipe 6 confronting its top end with the top end of chuck member 9 through the inside of operating cylinder body 2 and chuck member 9 while opening the inserting port of hand part 1.
Patent JP-S62203461-A (JP)
Title: Picture read system
Inventor: SATO YUICHI
IPC: G06K9/20
Filed: 1986-03-04
Abstract: PURPOSE:To automatically detect a defect such as dust or flaw by preceding the read of a picture by dividing an original picture into plural picture element regions, comparing a reference signal with a picture signal at every picture element region obtained through a prescribed filter prior to get the picture signal so as to detect defect information included in the picture element region. CONSTITUTION:The original picture is divided into plural picture element regions and the picture signal at every picture element region obtained through a prescribed filter prior to get the picture signal is compared with a reference signal to detect the defect information included in the said picture element region. For example, a sequence control circuit 10 selects at first the 1st filter 3-1 for defect detection and gives an instruction to restore the position of a stage 6 to the subscanning start position to a subscanning control circuit 14. When the stage 6 restores the home position as soon as the selection of the 1st filter is finished, the mode enters the defect detection mode of an original 4. In the defect detection mode, the defect such as dust or flaw existing on the original 4 is detected by a defect detection circuit 16 based on a signal Vos being the result of scanning of the original 4 by an infrared ray.
Patent JP-H11251645-A (JP)
Title: Semiconductor light emitting device
Inventor: MAEDA TOSHIHIDE
IPC: H01L33/32
Filed: 1998-02-27
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor light emitting device of flip-chip type which is improved in productivity and yield, by a method wherein a mounting process where the semiconductor light emitting device is mounted on a board or a lead frame is simplified. SOLUTION: A semiconductor light emitting element 1 of flip-chip type is mounted on the mount 6a of a lead frame 6, the light emitting element 1 is electrically connected to the lead frame 6 through micro bumps 5 and 4 which are each formed in one piece with the P-side and N-side electrode, 33 and 2, of the semiconductor light emitting element 1, the surface of the light emitting element 1 opposite to its mounting surface is made to serve as a primary light extracting surface, and an anisoconductive resin layer 10 is laminated on the mount, 6a. The parts of an N-side and a P-side micro bump, 5 and 4, press-fitted into the anisoconductive resin layer 10 are turned electrically conductive to electrically connect the semiconductor light emitting element 1 to a base.
Patent JP-S63214459-A (JP)
Title: Thermal printer
Inventor: KINOSHITA NAOHISA
IPC: B41J2/36
Filed: 1987-03-02
Abstract: PURPOSE:To prevent the reduction in dot color development due to an end part heat generator, by a method wherein heat diffusion reducing heat generators are provided in adjacent relation to at least one end parts of a plurality of printing heat generators arranged in a longitudinal direction and the heat generating temp. thereof are controlled so as to be made lower than the temp. necessary for printing. CONSTITUTION:A large number of heat generators 12, 12a are arranged to a head main body 11 so as to be adjacent to each other in the longitudinal direction and heat diffusion reducing heat generators 13 are arranged to the upper and lower parts of the printing head generators 12a at both upper and lower end parts. The heat generators 12, 12a, 13 are formed of heat generating resistor elements having the same shape, size and resistance value, and the heat diffusion reducing heat generators 13 prevent the diffusion of heat from the printing heat generators 12a at the end parts adjacent thereto and controlled by the drive circuit 14 of a thermal head 10 so that the temp. thereof becomes lower than the temp. necessary for printing. By this constitution, the reduction in dot color development due to the printing heat generator at the end parts can be prevented.
Patent JP-2000245131-A (JP)
Title: Moving-coil linear motor
Inventor: TAKAHASHI SATOSHI
IPC: H02K41/03
Filed: 1999-02-25
Abstract: PROBLEM TO BE SOLVED: To provide a moving-coil linear motor capable of having a simple air-cooling structure and attaining high efficiency. SOLUTION: This moving-coil linear motor is provided with a plurality of permanent magnets 2, so that poles are alternately disposed differently from each other in the longitudinal direction of yokes 7 which face the permanent magnets, and the heteropoles face each other via a magnetic space 3, a mover 5 which has a polyphase coil and is movably disposed in the magnetic space 3 in the arrangement direction of the permanent magnet 2, and a drive circuit for supplying the drive current to the polephase coil.  The permanent magnet 2 is disposed in the longitudinal direction of the yoke 7 with prescribed intervals Lg open, air piping 70 is installed on each prescribed interval Lg of the permanent magnet 2 so as to be folded meanderingly, and a vent hole is formed in part of the air piping to cope with the coil or permanent magnet 2, so that air is supplied to the air piping 70 to blow air against the magnetic space 3 from the vent hole, thus enabling cooling of the coil and reduce the temperature rise in the permanent magnet.
Patent JP-H02293698-A (JP)
Title: Basket for transporting used nuclear fuel and cask for housing the same
Inventor: ARAN HAABII UERUZU
IPC: G21F5/14
Filed: 1990-03-01
Abstract: PURPOSE: To reduce the weight while preventing temperature rise by providing a plurality of perforated discs arranged in a plurality of parallel rows at a predetermined interval, and means for aligning each hole of the plurality of discs in the arranging direction of the disc. CONSTITUTION: In the transportation basket 21, discs 22 are arranged at a predetermined interval through spacer means 24 while facing the cross-sections of each hole each other at the opposite end parts through a sleeve 27 being held by a plurality of discs 22. More specifically, the load being applied from a nuclear fuel assembly to the sleeve 27 upon insertion of the nuclear fuel assembly is distributed to a plurality of discs. Consequently, the sleeve is not subjected to a heavy load and the weight thereof can be reduced. Furthermore, the disc 22 can be made of an iron material and the weight thereof can be reduced. Since a cask 11 for containing the basket 21 can receive heat from the base of the nuclear fuel assembly and release the heat to the outside, temperature rise thereof can be prevented.
Patent JP-S59174220-A (JP)
Title: Return flanging die
Inventor: OGAWA MASAHIKO
IPC: B21D11/20
Filed: 1983-03-22
Abstract: PURPOSE:To simplify the action of a bending punch, to set the number of punches to the necessary ones, and to speed up a die by providing specifically a punch holder and a cam drive to a die holder, in a die used for return flanging one side from the middle part of a tongue piece. CONSTITUTION:A die 31, for obtaining a contact 2 for connector for instance, has shoes; heel blocks 33, 34 fixed to the upper surface of a die holder 32 and a bending die 35 capable of reciprocating on said surface toward the block 33. Further, a cam drive 38 and a punch holder 41 both of which are vertically movable by the repulsive forces of coiled compression-springs 36, 39 and are attached to the holder 32, and a punch 42 having a projection 43 and a pusher block 44 are respectively attached to the lower surface of the holder 41. When a pusher 45 pushes the holder 41 downward by actuating a press, the lower surface of the punch 42 presses the middle part of an L-shaped contact 2'' against the upper surface of the block 33. Next, the die 35, moved leftward by the drive 38 which is pushed downward by the block 44, press-bends a part ranging from the middle part to the front end of the contact 2'' approximately along the projection 43, to finish the press-bent contact 2.
Patent JP-H09239822-A (JP)
Title: Production of resin laminated product
Inventor: MIURA KATSUYUKI
IPC: B29C51/10
Filed: 1996-03-05
Abstract: PROBLEM TO BE SOLVED: To prevent the occurrence of a cavity by smoothly discharging the air between a molding resin and a skin material to the outside. SOLUTION: In a method for producing a resin laminated product by arranging a skin material 1 having a specified shape on the mold surface of a mold to form the molded object integrally bonded to the skin material 1, the pipe 3 allowing the inside of the mold to communicate with the outside is arranged to the skin material 1 and the molded object is formed while the air between a molding resin 5 and the skin material 1 is discharged out of the mold through the pipe 3 by the pressure or evacuation at a time of molding.
Patent JP-H02227470-A (JP)
Title: Epoxy resin powder coating composition
Inventor: NAGASE RIHEI
IPC: C08G59/18
Filed: 1989-02-28
Abstract: PURPOSE:To provide the title powder coating composition excellent in both low-temperature curability and storage stability. comprising a solid epoxy resin and a specific curing agent. CONSTITUTION:The objective composition comprising (A) a solid epoxy resin and (B) a curing agent consisting of an addition reaction product prepared by reaction between (1) a polyfunctional epoxy resin, (2) an imidazole compound carrying secondary amino group in its imidazole ring and (3) a polyhydric pheno lic compound.
Patent JP-S60191691-A (JP)
Title: Low-hydrogen, low-nitrogen and low-oxygen flux for welding
Inventor: NAGANO KIYOUICHI
IPC: B23K35/362
Filed: 1984-03-13
Abstract: PURPOSE:To provide a flux which permits welding with good beads without defects and has titled characteristics by forming the flux in such a way that the four components having prescribed ratios occupy the specific ratio of the entire amt. excluding the CO2 component and have the specific basicity including CaF2 and specifying further the basicity of the dissolved matter under prescribed cooling conditions at a specific limit. CONSTITUTION:A flux is so formed that the total of 10-60% CaO, <=30% MgO, 20-70% Al2O3 and 15-40% SiO2 occupies <=35% of the flux excluding the CO2 component and that a solvent CaF is incorporated therein at 25-65% to have >=0.1 basicity expressed by the formula I . Such flux is further dissolved and is made into dissolved matter and non-dissolved matter by air cooling, quick cooling or water cooling so that the basicity of the dissolved matter expressed by the formula I is made >=3 or <=3 or <=2.7. The flux contains low oxygen, nitrogen and hydrogen and improves weld beads thus assuring defectless welding.
Patent JP-S60192369-A (JP)
Title: Thin film transistor
Inventor: YAMASHITA ICHIROU
IPC: G02F1/1368
Filed: 1984-03-13
Abstract: PURPOSE:To transmit a signal voltage accurately to a liquid crystal cell while decreasing parasitic capacity CGS by a method wherein a drain contact is formed to partially encircle a source contact at a distance equivalent to the channel length. CONSTITUTION:A drain contact is provided on a common gate electrode 3 and a common drain electrode 7 so as to enlarge the picture image space improving the opening ratio of displaying device. Through these procedures, any signal voltage may be transmitted more accurately to a liquid cell because the space of source contact may be reduced without deteriorating the conductance between source and drain in case a transistor is made conductive to decrease the parasitic capacity between gate and source.
Patent JP-2000249903-A (JP)
Title: Automatic focusing device and camera
Inventor: ARITA HIROSHI
IPC: G03B13/36
Filed: 1999-02-25
Abstract: PROBLEM TO BE SOLVED: To shorten time required till a lens is focused after focus is detected even when a mode in which a focus detecting point is automatically selected is selected. SOLUTION: This device is provided with the 1st mode in which the focus detecting point can be optionally selected from the plural focus detecting points existing within an observing surface as the focus detecting point for automatic focusing, the 2nd mode in which the focus detecting point is automatically selected by this device and focusing range change means (#104 and #109) changing ranges Def1 and Def2 where an objective lens is regarded as it is focused on the selected focus detecting point in the 1st mode and in the 2nd mode.
Patent JP-H03249857-A (JP)
Title: Electronic private exchange
Inventor: AKIYAMA KOICHI
IPC: H04M3/48
Filed: 1990-02-27
Abstract: PURPOSE:To cancel a trouble for frequently making a telephone call when an incoming call is denied by dialling a special number, storing extension storage position information on both extension telephone sets on an originating-side and a called side when a call cannot be executed and recalling both telephone sets to be stored when the denial of the incoming call is released. CONSTITUTION:A channel switch 5, a central controller 6 and a storage device 7 are contained and the extension telephone sets 1 and 3 are respectively connected to the channel switch 5 through subscriber circuits 2 and 4. A memory area storing extension storage position information on the calling extension telephone set and the extension telephone set (called extension) which is in the middle of denying the incoming call by the control of the central controller 6 when the extension telephone set which calls the extension telephone set in the middle of denying the incoming call sets camp-on is provided for the storage device 7. Thus, the trouble for frequently making the telephone call in the middle of denying the incoming call and for calling another nearby extension can be cancelled and communication is securely attained with the opposite party immediately after the release of the denial of the incoming call.
Patent JP-H07227642-A (JP)
Title: Production of lost foam pattern for full-mold casting
Inventor: KOSUGI TAKEO
IPC: B22C7/02
Filed: 1994-02-22
Abstract: PURPOSE:To provide a lost foam pattern for full-mold casting by which cast products having smooth surfaces free from chipping are obtainable and which does not require metal molds, etc., does not require skilled craftsmen and is low in total cost in a short period. CONSTITUTION:A stock soln. for a urethane resin is continuously or intermittently discharged from a nozzle 2 of a foaming machine 1 controlled in the relative positing with a table 7 in accordance with three-dimensional data and is foamed and cured to form a foam having a prescribed shape. Cutting away of the surface of the foam by a tool, such as router, controlled in the relative position with the table in accordance with the three-dimensional data after formation of the foam having the prescribed shape is possible as well. Then, the need for costly metal molds is entirely eliminated and the easy production of the lost foam pattern is made possible even by an unskilled person. Since the need for a place for storing the materials is eliminated and, therefore, the total cost is reduced.
Patent JP-S52131303-A (JP)
Title: Pneumatic radial tire having belts of coiled filament reinforcement layer
Inventor: SUZUKI YASUO
IPC: B60C9/18
Filed: 1976-04-28
Abstract: PURPOSE:To provide a pneumatic radial tire filled with steel cords which buries coiled filaments having special rupture strength and elongation in rubber as reinforcement elements to eliminate belt or carcass cord web so as to improve its endurability.