baber/WOPTO huggingface dataset:
Patent JP-H06162405-A (JP)
Title: Magnetic field generator
Inventor: MATSUMOTO MASAAKI
IPC: G11B5/02
Filed: 1992-11-18
Abstract: PURPOSE:To improve the efficiency in heat radiation by providing a through hole on a yoke. CONSTITUTION:The through hole 5 is provided on the yoke 4 forming the magnetic circuit of the magnetic field generator of a bias magnetic field applying device and made from a high magnetic permeability material so as not to be reluctance to the flow of magnetic flux in a shape along nearly to the magnetic flux in the yoke 4. The decrease in the cross-sectional area of the yoke due to the hole 5 is compensated by increasing the thickness of the yoke 4, and the increase in the magnetic reluctance of the yoke 4 is prevented, and dangerousness resulting in magnetic saturation is prevented. Then, the heat radiation area of the yoke 4 is increased, and heat is transmitted from an exciting coil to air in the bottom part of the hole 5, and further, the heat is radiated by a convection current, and the magnetic field generator with a high heat radiation effect is obtained.
Patent JP-H05140306-A (JP)
Title: Production of partially imidated polyamic acid composition
Inventor: YAMAMOTO MITSUHIRO
IPC: C08G73/10
Filed: 1991-11-25
Abstract: PURPOSE:To obtain a polyamic acid capable of carrying out pattern processing using a positive type resist in broad conditions, high in stability of viscosity and good in physical properties after curing by reacting each of com ponents under stirring while heating in a definite temperature range so as to give a specific imidation ratio. CONSTITUTION:1-30mol% 1,4-bis(3-aminopropyl)tetramethyldisiloxane is blended with 70-99mol% 4,4'-oxydianiline, 0-105mol% pyromellitic acid dianhydride and 0-105 mol% 3,3',4,4'-benzophenonetetracarboxylic acid dianhydride so that total amount of the tetramethyldisiloxane and oxydianiline may become 90-105 mol% and total amount of two kinds of anhydrides X 90105mol% and the ratio of sum the latter to sum of the former may become 1.00-1.03. These components are stirred while heating and amidation-addition polymerization and cyclodehydration-imidation reaction are simultaneously carried out to provide a polymerization adduct being 10-30% in imidation ratio.
Patent JP-S63166266-A (JP)
Title: Semiconductor device and manufacture thereof
Inventor: HAMAZAKI TOSHIHIKO
IPC: H01L29/732
Filed: 1986-12-27
Abstract: PURPOSE:To improve the high-frequency characteristics by forming single crystal base extraction electrodes on a silicon oxide film using a solid-phase epitaxial method, and simultaneously using the selective oxidation of a solid-phase epitaxial silicon film and the side walls of polycrystalline silicon. CONSTITUTION:A film 12 is formed on the surface of a substrate 11, and a window 13 reaching the substrate 11 is opened. Then, after depositing silicon 14 in the window section 13, a polycrystalline silicon film is deposited on the whole surface and changed to an amorphous silicon film by Si implantation. Subsequently it is changed to a film 14' to increase the film thickness of the film 14'. And the film 14' is removed till the film 12. Then, after forming a film 15 on the surface of the film 14' by thermal oxidation, a film 18 and a resist 19 are formed on the whole surface. Next, leaving the film 18 only on the window region 13, boron is introduced to form a base extraction region 17. And the thickness of the film 15 is increased except for the window region 13, and simultaneously boron is diffused to form a region 16, removing the film 18. Further, a polycrystalline film is deposited to form a side wall region 110. Then, removing only the film 15, a layer 111 is formed, and a region 112 is formed. Moreover, electrodes 113, 114 are formed on a film 15'. With this, the parasitic capacitance and parasitic resistance of a transistor can be made small.
Patent JP-H08165448-A (JP)
Title: Ink composition for ink jet recording
Inventor: EDAMURA KAZUYA
IPC: C09D11/38
Filed: 1994-12-13
Abstract: PURPOSE: To obtain an ink composition for ink jet recording showing excellent volatility and excellent particle settling-resistant stability, containing a particle dispersion type electrorheological fluid prepared by dispersing dielectric particles into a specific dispersion medium having low viscosity, high volatility and high specific gravity. CONSTITUTION: This composition contains particle dispersion type electrorheological fluid prepared by dispersing (B) dielectric particles into (A) a fluorocarbon-based electrical insulating medium (preferably one having 1-2 specific gravity at 25 deg.C, 80-200 deg.C boiling point and 0.5-3cSt kinematic viscosity). To be concrete, for example, a perfluorocarbon or a fluorocarbon is used as the component A. Inorganic or organic composite particles comprising a core material composed of an organic polymer compound such as poly(meth)acrylic ester and a surface layer composed of an inorganic substance having electrorheological effect such as a hydroxide of a polyvalent metal are preferable as the component B. The content of the component B in the composition is preferably 10-40wt.%.
Patent JP-H01150883-A (JP)
Title: Time lapse indicating body
Inventor: MATSUDAIRA OSAHISA
IPC: G04F1/00
Filed: 1987-12-07
Abstract: PURPOSE:To eliminate the indistinctness of a diffusion tip by concn. gradient at the time of diffusion of a dye material by incorporating a material which can induce an oxidation-reduction reaction with the dye material into a high-viscosity liquid, etc., and further using a color agent which can be decolored by the oxidation-reduction reaction. CONSTITUTION:The high-viscosity liquid or gelatinous expanded matter 3 contg. a oxidizing agent or a reducing agent is packed into a body 1. The dye material 4 which colors or discolors the expanded matter 3 and is decolored by the oxidizing agent or reducing agent in the expanded matter 3 in a low concn. region is packed into a cap body 2. A cutting line 6 for exposing the expanded matter 3 is provided on the body 1 and a hermetic cap 5 for hermetically sealing the dye material 4 packed in the cap body 2 is attached to said cap body. A user cuts the cylindrical body consisting of these two; the body1 and the cap body 2, at the cutting line 6, removes the cap 5 of the cap body 2 and combines the same with the body 1 to start the indication at the time of starting the period indication. The end of the period is known from the coloration of the body 1 in appearance as the material 4 of the cap body 2 diffuses into the expanded matter 3 of the body 1. The indication of the time when the body 1 completely ends the coloration is possible as well.
Patent JP-S63167234-A (JP)
Title: Measuring instrument for optical system for exposure
Inventor: UMEDA HIROMI
IPC: G01M11/00
Filed: 1986-12-29
Abstract: PURPOSE:To measure the performance of the optical system of an exposure device according to the photosensitive level of a photosensitive agent applied to an exposed surface to be measured by forming a pinhole in the top part of a measuring instrument main body and providing a photodetection screen to the bottom part. CONSTITUTION:The photodetection screen 24 is set at the same level with the actual exposed surface to be measured and the pinhole is positioned at the border of light projected from a light source, so that light projected on the photodetection screen 24 through the pinhole 22 is detected by a photodetecting element group 25. While a waveform outputted by this linear photodetecting element group 25 is projected on an oscillograph, the photodetection screen 24 is moved to the position where the waveform appears most large. Then, how much the light spreads from the peak position of the light intensity, i.e. (m) is measured at the photosensitive level A of the photosensitive agent to detect a collimation half angle alpha. Further, how much the peak position of the light intensity deviates horizontally from the pinhole position, i.e. (n) is measured to measure a declination angle beta.
Patent JP-H02155223-A (JP)
Title: X-ray exposure system
Inventor: AOKI SHINICHIRO
IPC: H01L21/027
Filed: 1988-12-07
Abstract: PURPOSE:To prevent an effect to vibrations, thermal expansion, etc., by a method wherein a laser beam source is housed into a vessel, and separated from the outside, the inside of the vessel is cooled, laser beams are introduced to an X-ray mask and a wafer and a aligning optical system capable of obtaining the reflected beams as a aligning signal is supported onto the same supporter. CONSTITUTION:Laser beams 12 from a laser tube 8 are reflected by total reflection mirrors 10, 11, and diffracted by the diffraction grating of a reference grating 16 and introduced to a Fourier transform lens 17. The Fourier transform lens 17 separates + or - primary diffracted beams in diffracted beams and obliquely projects the diffracted beams to the diffraction gratings 18 and 19 of an X-ray mask 1 and a wafer 4, the diffracted beams are projected to first and second photo-detectors 20 and 21, a position is measured from the intensity of detection detected by these photo-detectors 20, 21, and the X-ray mask 1 or the wafer 4 is moved and aligned accurately, and exposed to X-rays 7 emitted from an X-ray source 6. The laser tube 8 is housed into a vessel 9 and separated from the outside, and the inside of the vessel 9 is supplied with air by pipings 23a, 23b and the inside can be cooled.
Patent JP-H04180639-A (JP)
Title: Lead frame
Inventor: TAKAHASHI SUSUMU
IPC: H01L23/50
Filed: 1990-11-15
Abstract: PURPOSE:To increase the degree of freedom of optional bonding pads by forming optional bonding stitch lands in the positions corresponding to the optional bonding pads of a lead frame. CONSTITUTION:A lead frame provided with optional bonding stitch lands 3b connected to a VSS stitch land 2 through an island 6 in the positions corresponding to optional bonding pads 4b formed on a chip 5 mounted on the island 6 is formed. Then the lands 3b are bonded to the pads 4b with bonding wires by using the lead frame. Since the lands 3b connected to the land 2 are formed at the positions corresponding to the pads 4b of the lead frame, a semiconductor device which is high in degree of freedom can be obtained irrespective of the arrangement of the pads 4 on the chip 5.
Patent JP-H05222075-A (JP)
Title: Preparation of phosphine compound
Inventor: KORIIN II MITSUKURUSUUEITO
IPC: C07F9/50
Filed: 1992-10-26
Abstract: Allylphosphines and vinylphosphines are prepared by reaction of a phosphine with an allylhalide or a vinylhalide, respectively. Preferably the phosphine is a secondary phosphine, so that there is formed an allyldialkylphosphine or a dialkylvinylphosphine. The allyldialkylphosphine can be reacted further with dialkylphosphine under free radical conditions to yield a 1,3-bis-(dialkylphosphino)propane The dialkylvinylphosphine can be reacted further with dialkylphosphine under free radical conditions to yield a 1,2-bis-(dialkylphosphino)ethane. These compounds are useful as bidentate ligands.
Patent JP-H06154265-A (JP)
Title: Photo-coagulation apparatus
Inventor: KOIKE CHIKASHI
IPC: A61B18/20
Filed: 1992-11-19
Abstract: PURPOSE:To provide an optical coagulation apparatus which can perform color display of the position of a spot image of a therapeutic laser beam by overlapping it on the eyeground image and perform efficiently therapy. CONSTITUTION:Into a constitution of a scanning type laser ophthalmoscope wherein the eyeground 14a of the eye 14 to be examined is irradiated by a laser beam of the laser source 1 for observation and this is two-dimensionally and deflectedly scanned and the reflective light from the eyeground is received and photo-electrically converted to obtain an eyeground image, a laser beam for therapy of a therapeutic laser source 21 with a wave length being different from the laser beam for observation through a dichromic mirror 26 and a scan mirror 24 is introducible to make the wide field of view of a scanning type laser ophthalmoscope usable. As a clear image of the eyeground enlarged on a monitor 18 does not disappear even when therapy by optical coagulation is performed and a spot image of the therapeutic laser beam is color-displayed, the position of coagulation is clear and therapy can be efficiently performed.
Patent JP-S6313124-A (JP)
Title: Magnetic recording medium and its production
Inventor: TAKASUGI YASUSHI
IPC: G11B5/845
Filed: 1986-12-27
Abstract: PURPOSE:To obtain a magnetic recording medium which is small in output fluctuation and is particularly excellent in an electromagnetic conversion characteristic by specifying the ratio between the max. value and min. value of the residual magnetic flux density in the peripheral direction of the recording medium to a prescribed value. CONSTITUTION:The magnetic recording medium is manufactured by coating a magnetic coating compd. on a long-sized nonmagnetic substrate 2 which running the same at a specified speed, and blanking the substrate to a prescribed disk shape after drying the coating to core. The value obtd. by dividing the min. value of the residual magnetic flux density in the peripheral direction of tracks by the max. value is specified to 0.95, more particularly 0.98-1.0. The value obtd. by dividing the average squareness ratio in the perpheral direction by the average squareness ratio in the diametral direction is preferably 0.97-1.03, more particularly preferably 0.98-1.02. Looped magnets 5' disposed with plural pieces of unit magnets 51' so as to be alternately varied in poles are provided to either above or below the substrate 2. The loop-shaped plane is positioned parallel with the plane of the substrate 2 and the straight line part of the loop is positioned perpendicular to the progressing direction of the substrate. The unit magnets 51' are continuously moved in one direction on the loop.
Patent JP-H02156260-A (JP)
Title: Multicolor image recorder
Inventor: KODERA TETSUO
IPC: G03G15/01
Filed: 1988-12-09
Abstract: PURPOSE:To prevent picture quality deterioration due to color slurring by rotating and driving a transfer material carrier via a driving mechanism, which has plural rotary variations during one rotation of the transfer material carrier, and arranging each image forming part in a position corresponding to the same phase of the rotary variation cycle of the transfer material carrier. CONSTITUTION:The transfer material carrier 1 is rotated and driven via the driving mechanism 21 having plural rotary variations during one rotation of the transfer material carrier 1; and each of the image forming parts 4-7 is arranged in the position corresponding to the same phase of the rotary variation cycle of the transfer material carrier 1. Therefore, even if the transfer material carrier 1 has a rotary variation in its rotation, the time that the transfer material carrier 1 rotates from the image forming parts 4-7 to the subsequent image forming parts 4-7 is always constant; and a picture to be transferred onto a transfer material 2, carried on the transfer material carrier 1, does not have misregistration. Thus, a high quality picture free of color slurring can be obtained.
Patent JP-H08140407-A (JP)
Title: Footpath-cutting apparatus on automotive-type working machine
Inventor: YAMAMOTO CHUICHI
IPC: A01B35/00
Filed: 1994-11-18
Abstract: PURPOSE: To provide a footpath-cutting apparatus capable of holding a machine body at a specified height, preventing the descending of a cutting blade and preventing the uneven cutting of a footpath, and enabling the performance of the footpath-cutting work and the removing work for untilled part at the edge of the footpath at the same time while the automotive-type working machine runs during a footpath-cutting work. CONSTITUTION: A cutting blade 2 whose tip 2A enters a footpath B and cuts off the side face of the footpath is fixed on a main body A of an automotive- type working machine. An ark-shaped curved part 2C protruding upward at the machine body-side is formed at a lower part of the cutting blade 2. A guiding member C having a plane touching the upper face of a footpath B formed with a specified height at the cutting side is attached on the main body A of the automotive-type working machine.
Patent JP-H11141170-A (JP)
Title: Safety fence
Inventor: SASAKI TAKASHI
IPC: E04H6/42
Filed: 1997-11-12
Abstract: PROBLEM TO BE SOLVED: To smooth rise and fall and prevent occurrence of noise by rotatably connecting a rise and fall lever (post) and a protection bar (handrail) of a safety fence capable of rising and falling a post in the axial direction of the handrail through the buffer material of a disc spring or the like. SOLUTION: A bracket 11a is mounted on a rise and fall lever (post) 11, a bracket 13a is provided on a protection bar (equivalent to handrail) 13, a disc spring 15 is provided therebetween and rotatably connected by a pin 14. Resilient force of air pressure, a compression spring or the like is utilized to connect a rise device adapted so as to rise the post 11 on the rise and fall lever (post) of one hand. In the case where a safety fence is fallen, the post is pushed and fallen against the urging force of a spring in the axial direction of the handrail 13 (the orthogonal direction of a sheet face) by a pushing device provided on a floor or the like. Thereby even if an assembling error or the like exists, looseness of a connection part is eliminated to prevent occurrence of noise.
Patent JP-2001128047-A (JP)
Title: Image pickup device
Inventor: SUGIMOTO MASAHIKO
IPC: H04N5/225
Filed: 1999-10-29
Abstract: PROBLEM TO BE SOLVED: To provide an image pickup device which has two batteries and can independently control the supply of power from the two batteries. SOLUTION: In an image pickup device processing an image, an image pickup part 12 picks up the image and a driving part 24 drives the image pickup part 12. A processing part 30 records the image picked up by the image pickup part 12 in a memory 50 and/or reproduces it from the memory 50. A first battery 70 supplies power to the driving part 24 and a second battery 72 supplies power to the processing part 30. A control part 60 independently controls the supply of power to the driving part 24 from the first battery 70 and the supply of power to the processing part 30 from the second battery 72.
Patent JP-H10149000-A (JP)
Title: Electrostatic recording head and its production
Inventor: SATO TATSUNARI
IPC: G03G15/05
Filed: 1996-11-21
Abstract: PROBLEM TO BE SOLVED: To provide electrostatic recording heads capable of exactly maintaining a discharge element and electric field generating element at a prescribed opposite distance by enhancing the alignment accuracy of the control electrodes on both surfaces of the insulator of the electric field generating element as well as the holes of line electrodes and the pass holes of the insulator. SOLUTION: This recording head consists of electrostatic recording divided heads 11 divided to plural blocks in the longitudinal direction along the inclination of the control electrodes 3, the discharge electrode 1 for impressing voltage on the discharge element 2 and a reference plate 13 which has the joint parts 16 with the line electrodes 5 and control electrodes 3 of the electric field generating element 6 and aligns and fixes the plural electrostatic recording divided heads 11. Since the heads consist of the divided structures, the alignment accuracy of the holes of the electrodes 3, 5 to the pass holes 7 of the insulator 4 is enhanced and the opposite distance between the discharge element 2 and the electric field generating element 6 is exactly maintained by which the electrostatic recording heads 11 having the high accuracy are embodied.  The yield at the time of production is enhanced and even if part of the heads go out of order, the need for exchanging the entire part of the heads is eliminated and the cost is reduced.
Patent JP-H02157418-A (JP)
Title: Cooling water quantity adjusting device for ship propulsive machine
Inventor: SUMIKAWA YUKIO
IPC: F01P7/16
Filed: 1988-12-08
Abstract: PURPOSE:To prevent a ship propulsive machine from overcooling or overheating by arranging a resilient sealing member at the contacting part of a valve body with a connection hole, and thereby providing possibility of closing it even in the condition dust etc. is attached. CONSTITUTION:A connection hole 34 is formed from a resilient sealing member 50 affixed by baking to a valve seat 33. When the engine temp. has sunk to shrink thermo-sensitive wax 37, a piston 38 moves down through the actions of a compression spring 46, and a valve body 44 contacts the resilient sealing member 50. Even though there is sand, dust, etc. in the contacting part, they can be buried with deformation of the sealing member 50, so that the connection hole 34 is choked. Thus, a thermostat valve can be shut certainly, which prevents overcooling or overheating.
Patent JP-H01151272-A (JP)
Title: Manufacture of semiconductor pressure sensor
Inventor: KAMIJIYOU TAKETOMO
IPC: G01L9/04
Filed: 1987-12-08
Abstract: PURPOSE:To reduce scattering in thickness and shape of diaphragm by forming a specified recess at the diaphragm where a gauge resistance is located through rough processing by making the bottom of the recess wider than the diaphragm, and by carrying out patterning of the diaphragm at an opening of a mask which covers the diaphragm including the bottom. CONSTITUTION:A semiconductor substrate 1 is processed from a surface opposing to that where a gauge resistance 4 is located and a recess 5 of which bottom is wider than a desired diaphragm 7 not less than 50mum above a stopper layer 2. Then coating is made by a mask 6 which has opening 61 only above the diaphragm 7 and etching is applied by the stop etching method from the mask opening 61 to the surface of the stopper layer 2. Since stop etching is thereby made only to the direction of depth of the limited region of the diaphragm 7, scattering in shape and thickness of the formation region of the gauge resistance 4 can be reduced.
Patent JP-H08168262-A (JP)
Title: Power source circuit
Inventor: MIHARA MASAAKI
IPC: H05B44/00
Filed: 1994-12-14
Abstract: PURPOSE: To highly efficiently emit electroluminescence without producing noise by constituting a resonance circuit of an autotransformer and capacitive load. CONSTITUTION: Since an autotransformer 15 and electroluminescent panel 17 constitute a parallel resonance circuit, the waveform of the AC voltage applied across the panel 17 becomes a sine wave and, accordingly, the panel 17 does not produce much noise and the luminous efficacy of the panel 17 becomes higher. Since a duty ratio changing circuit 13 which automatically changes the duty ratio of a drive signal against a push-pull drive circuit 14 in accordance with the resonance frequency that is decided by the inductance of the transformer 15 and a capacitive load is connected between a phase inverter 12 and the drive circuit 14, appropriate energy can be supplied to a load even when the capacity of the load changes.
Patent JP-2001131615-A (JP)
Title: Utilizing method of steelmaking slag
Inventor: HOSOHARA SEIJI
IPC: C21C5/28
Filed: 1999-11-01
Abstract: PROBLEM TO BE SOLVED: To provide a utilizing method of recovering a blast furnace slag having low fluorine content and making it harmless material by using a steelmaking slag having high fluorine content as the auxiliary raw material in an iron-making process in the blast furnace. SOLUTION: The steelmaking slag having >=0.10 mass % fluorine content is separated and recovered and successively, this steelmaking slag is used as the auxiliary raw material for charging into the blast furnace.