baber/WOPTO huggingface dataset:
Patent JP-H05164059-A (JP)
Title: Trochoid type oil pump
Inventor: SUYAMA TETSUYA
IPC: F04C2/10
Filed: 1991-12-13
Abstract: PURPOSE:To reduce a cavitation phenomenon when it is rotating at high speed. CONSTITUTION:A trochoid type oil pump is constituted in such a way that communication of an inter-teeth chamber 9, a suction port 6 and a delivery port 7 is cut off between a position where a capacity of the inter-teeth chamber 9 becomes maximum and a position where an angle is deflected in the rotational direction of an inner rotor 5, and edge parts 6a and 7a of suction and delivery ports 6 and 7 situated on the eccentric direction side of an outer rotor 4 are formed in an inward dented outer peripheral shape.
Patent JP-H11150106-A (JP)
Title: Method for etching silicon wafer
Inventor: TORIHASHI SHIYUUJI
IPC: H01L21/308
Filed: 1997-11-14
Abstract: PROBLEM TO BE SOLVED: To control sizes of etch pits formed on the surface of a silicon wafer to small sizes, and in addition, to prevent the occurrence of a blur on the surface of the wafer, by the used of a chemical prepared by adding a small amount of alkali salt nitrite to a caustic alkali aqueous solution as an etchant. SOLUTION: After a silicon wafer has been sliced, lapped, and polished, the wafer is loaded into a carrier, and the carrier is dipped in an etching tank filled with an alkali aqueous solution containing 15-30 wt.% sodium hydroxide and 0.1-5.0 wt.% sodium nitrite. Then the surface of the wafer is etched to a depth of about 10-30 μm at a temperature between 60 deg.C and 90 deg.C, while the wafer is made to rotate together with the carrier. After etching, the wafer is washed with pure water in a washing tank, dried, and sent to the next process.
Patent JP-2001150182-A (JP)
Title: Gold-tin alloy brazing filler metal having excellent wettability
Inventor: OBINATA MASAYOSHI
IPC: B23K35/30
Filed: 1999-11-22
Abstract: PROBLEM TO BE SOLVED: To provide a gold-tin alloy brazing filler metal which has excellent wettability and allows brazing with always high reliability. SOLUTION: This brazing filler metal consists of a composition containing 10 to 30 wt.% Sn and consisting of the balance inevitable impurities and its surface roughness Ra stipulated in JIS B-0601 is in a range from 0.01 to 5 μm.
Patent JP-H05162231-A (JP)
Title: Metal foil with adhesive
Inventor: TAKADA TOSHIHARU
IPC: H05K3/38
Filed: 1991-12-16
Abstract: PURPOSE:To provide metal foil with an adhesive capable of obtaining a laminated board and a printed-wiring board with good insulation reliability between patterns. CONSTITUTION:By disposing an adhesive layer containing an inorganic ion exchanger on the one surface of metal foil, a laminated board and a printed wiring board can be obtained, which have good insulation reliability between patterns.
Patent JP-H03192918-A (JP)
Title: Pulse generator
Inventor: NOJIMA KENICHI
IPC: H02M9/04
Filed: 1989-12-22
Abstract: PURPOSE:To supply a high voltage rectangular wave pulse fast in rising with wide pulse width efficiently to a high impedance load by forming a bloom line of a multiple spiral winding arranged in a conductor cylinder, and employing a wide conductor as the conductor forming the multiple spiral winding. CONSTITUTION:A center conductor 10 and an intermediate conductor 11 forming a bloom line are formed in spiral and arranged in a conductor cylinder 12 to form a multiple spiral line 13. The width (w) of the center conductor 10 and the intermediate conductor 11 formed in spiral is formed sufficiently wider than the interval (g) of spiral turns, then a static capacitance C1 between the conductor cylinder 12 and the center conductor 10 becomes smaller and the thickness (d) between the center conductor 10 and the intermediate conductor 11 is formed sufficiently thin, then the static capacitance C2 at a high frequency band between the spiral turns is decreased. Thus, a rectangular wave pulse with a high voltage, fast rising and wide pulse width is supplied efficiently to a high impedance load.
Patent JP-H06171472-A (JP)
Title: Coupling structure of car air-conditioning duct
Inventor: ABE SHINYA
IPC: B60S1/54
Filed: 1992-12-11
Abstract: PURPOSE:To provide a coupling structure in a car air-conditioning duct, capable of reducing the number of part items and of improving the working property of assemblage. CONSTITUTION:In a coupling structure 1 made up of attaching a blow molding defroster nozzle 1 to the rear side of an instrument panel, and connecting a lower end of this nozzle 1 to the rear end of a center ventilator duct 2 whose front end is supported by the instrument panel, thereby making them so as to be kept up, a hooked projection 3 is solidly formed in the defroster nozzle 1, and this hooked projection 3 is connected to the rear end 4 of the center ventilator duct 2.
Patent JP-H09171425-A (JP)
Title: Input device
Inventor: MAKINO HIROSHI
IPC: G06F3/02
Filed: 1995-12-20
Abstract: PROBLEM TO BE SOLVED: To make an input device possible to be placed standing and to prevent unwanted keying even when documents and books, etc., are arranged side by side regardlessly of the size of the input device by separating the parts of the upper part cover and the lower part cover of the input device inputting data, etc., to an information processor in an input part and allowing the cover parts to stand itself. SOLUTION: The parts of the upper part cover 3 and the lower part cover 4 of the input device 1a inputting data, etc., to information processor in the input part 2a are separated and are allowed to stand itself. Therefore, the input device 1a can be stood and the trouble due to the size of the input device 1a is eliminated. The parts of the upper part cover 3 and the lower part cover 4 are separated so that the input part 2a may be under the upper surface of the upper part cover 3. Therefore, a useless keying can be prevented even when documents and books, etc., are arranged to stand side by side. Further, the use possible area on a desk can be widely kept.
Patent JP-H09171215-A (JP)
Title: Light source device
Inventor: TSUKADA MASASHI
IPC: G02B6/00
Filed: 1995-12-20
Abstract: PROBLEM TO BE SOLVED: To effectively utilize light in the case of transmitting light from a light source by an optical fiber and emitting it after separating it to R, G and B SOLUTION: The light source 2 is put on either focus of an elliptical reflector 1 and the light is condensed on the other focus of the ellipse, then the end face 4 of the bundle 3 of three optical fibers 5R, 5G and 5B is arranged to be opposed to the light source at a condensing point. A dichroic mirror film is provided on the respective end faces 6R, 6G and 6B of the optical fibers 5R, 5G and 5B, and the necessary color light out of the transmitted light is transmitted and the unnecessary wavelength component thereof is reflected.  The light transmitted through the dichroic mirror film is emitted through convex lenses 7R, 7G and 7B and the light reflected on the dichroic mirror film is reversly transmitted as shown by a dotted line arrow, reflected by the reflector, and transmitted by the optical fiber again so as to utilize the component advancing to the optical fiber different from the optical fiber by which the light is returned. It is conceivable to condense the light from the light source on the end face 4 of the optical fiber by using a parabolic surface reflector and a convex lens.
Patent JP-H02178877-A (JP)
Title: Interactive control system
Inventor: NISHIMURA TAKESHI
IPC: G06F17/30
Filed: 1988-12-29
Abstract: PURPOSE:To make the system compact by generating and showing questions which limit the direction of interactive control to a user, and putting answers from the user in the controlled range. CONSTITUTION:This system consists of a keyboard 51, a CRT 52, a thesaurus 53, a keyword limitation table 54, a dictionary 55, an interactive control program part 56, a working memory 57, and a question sentence template storage part 58. Here, when the information that the user wants to obtain through interaction and the direction wherein the interaction is advanced are clear, the restriction for the interactive control is limited characteristically to the direction, in other words, to the limitation of a key word. Consequently, the compact interactive control system is obtained.
Patent JP-H07189509-A (JP)
Title: Builtup type simplified house box
Inventor: MATSUOKA TAKASHI
IPC: E04H1/12
Filed: 1993-12-27
Abstract: PURPOSE:To improve wind pressure resistance, habitability and assemblage by forming a housebox of a roof plate and a floor plate made of lightweight concrete with holes of the specified size opened at the center parts, and plural wall plates, and interposing the wall plates between the roof plate and the floor plate and connecting them fixedly by connecting means. CONSTITUTION:In the state of being mounted to a rotary shaft 44, a roof plate 1 and a floor plate 2 are rotated little by little to determine directionality. A jack 48 is driven to press the floor plate 2 toward the roof plate 1 side, and after positioning and putting both plates 1, 2 out of rotation, a wall plate 3 is placed in the bridged state in a specified position between the roof plate 1 and the floor plate 2 and connected by appropriate bolts and nuts 5 after the alignment of bolt holes. After fitting the wall plate 3 to one side face, the jack 48 is loosened, and the roof plate 1 and the floor plate 2 are rotated in the specified direction so that the other side face is placed on the upper side to fit wall plates 3 in regular succession. This action is repeated to fit the four-face wall plates 3. Upon completing the assembly of a house box, a hydraulic cylinder 45 is driven to put a frame body 42 in the upright state as shown by an imaginary line.
Patent JP-H08160622-A (JP)
Title: Chemical amplification positive type resist material
Inventor: OIKAWA KATSUYUKI
IPC: G03F7/039
Filed: 1994-12-09
Abstract: PURPOSE: To provide a resist material having high sensitivity and high resolution by containing specific polyhydroxystyrene as a dissolution accelerator. CONSTITUTION: A polyhydroxystyrene compound partially protected with the hydroxyl group and expressed by the formula is combined as a dissolution accelerator. In the formula, R indicates the acid-unstable group such as the tert-butyl group, tert-butoxy carbonyl group, methoxymethyl group, isopropoxymethyl group, tetrahydropyranyl group, tetrahydrofuranyl group, or trialkyl silyl group, p/(p+q) is 0.1 or below, and the weight average molucular weight is less than 10000. The polyhydroxystyrene partially protected with the hydroxyl group and expressed by the formula preferably has p/(p+q) of 0.02-0.08 and the weight average molucular weight of 3000-8000, its combined quantity is 5-50 pts.wt., preferably 10-30 pts.wt., against the base polymer (alkali- soluble resin) of the resist material of 100 pts.wt., and one or two or more kinds can be mixed for use.
Patent JP-H07192507-A (JP)
Title: Headlamp's optical axis controlling apparatus
Inventor: KOMACHI HIROSHI
IPC: F21V14/04
Filed: 1993-12-27
Abstract: PURPOSE:To provide a headlamp's optical axis controlling apparatus by which the distribution cost is suppressed, the quality of a headlamp is guaranteed and in which an assembly error of an aiming mechanism hardly occurs, the aiming mechanism is built in efficiently, and the initial setting can be reset without taking out the aiming mechanism at the time when a gear part of an operational bolt is broken. CONSTITUTION:A headlamp's optical axis controlling apparatus has a case 40 of an aiming mechanism 30 attachable to the rear end face of the apparatus main body 20, an operational bolt 31 which is so attached to the case 40 as to be operated manually from outside of the case 40 and has an operational gear part 33 at the tip end part, and a gear part 35 to be geared with the operational gear part 33 of the operational bolt 31 in the outer circumference of the shaft center part. The apparatus is also provided with the aiming mechanism which has, in one end, a joining part 36 to join a primary operation terminal 23 of an aiming shaft 22 in the way the terminal can slide in the axial direction and is prevented from rotating in the circumferential direction and, in the other end, a position adjusting element 34 having a secondary operation terminal 39 with the same structure as that of the primary operation terminal 23 of the aiming shaft 22, wherein the operation terminals 23, 39 are exposed and installed in the rear end faces of apparatus main body 20 and the case 40, respectively.
Patent JP-H11156077-A (JP)
Title: Bobbin thread cutter for sewing machine
Inventor: TAMURA MASASHI
IPC: D05B65/00
Filed: 1997-12-02
Abstract: PROBLEM TO BE SOLVED: To easily cut a bobbin thread fed out from a bobbin case to a prescribed length by providing a blade part on a side opposed to the bobbin thread ring catching body of a lid in a sewing machine having an aperture part formed in the main body, which is arranged with a bobbin thread ring catching body, opened and closed by a lid pivotally supported to the maim body. SOLUTION: A half-rotation type shuttle body 15 formed stitches in cooperation with a large shuttle 13, a shuttle body presser 14 and a needle is mounted inside of a free arm 12 constituting a part of the main body 11 of the sewing machine 11 and the aperture part 17 formed in front of the arm 12 is opened and closed by the lid 18. Then, a bobbin 26 on which the bobbin thread 25 is wound is mounted to the shuttle body 15 in the state of being freely attachable and detachable. In this case, the blade part 29 is fixed to the inner surface side of the lid 18, namely a side opposed to the shuttle body 15, by heat welding.  Then, a feeding out amount from the bobbin 26 of this bobbin thread 25, namely a length between the tip part of the thread 25 and the bobbin 26, is adjusted by properly changing the position of the lid 18 and then the thread 25 is cut off by using the blade part 29 formed at the lid 18.
Patent JP-2000164387-A (JP)
Title: Discharge lamp lighting device
Inventor: JINBO KATSUYOSHI
IPC: H02M7/538
Filed: 1998-11-24
Abstract: PROBLEM TO BE SOLVED: To prevent a high-frequency inverter output from being practically stopped or prevent the are failure in a discharge lamp due to the drop of the high-frequency inverter output, if not stops, by property keeping the high-frequency inverter output after the discharge lamp is shifted to dimmer lighting from full lighting. SOLUTION: The DC voltage rectified from AC power Vin by a rectifier 1 is fed to the junction of first and second switching elements Q1, Q2 via an inductance 2 and a diode 3, a filter capacitor 4 is connected in parallel to the end side of the first switching element Q1, and a discharge lamp 8 is connected from the junction of the first and second switching elements Q1, Q2 via a resonance circuit. A control circuit 9 turning the first and second switching elements Q1, Q2 on and off in turn is provided.  The control circuit 9 turns the first and second switching elements Q1, Q2 on and off in turn with the pulse output of a variable duty ratio in a constant cycle, controls the duty ratio of the second switching element Q2 smaller in inverse proportion to the voltage or current value detected from the filter capacitor 4, and controls the output frequency of the first and second switching elements Q1, Q2 higher at the time of the dimmer lighting of the discharge lamp 8 than at the time of the full lighting of the discharge lamp 8.
Patent JP-H11157994-A (JP)
Title: Production of silicon single crystal
Inventor: KIKUCHI MASAO
IPC: C30B29/06
Filed: 1997-12-02
Abstract: PROBLEM TO BE SOLVED: To provide the production of silicon single crystal that can produce single silicon crystal of good quality with no dislocation by surely preventing the thin neck of the silicon rod from being broken, when the silicon single crystal of a large diameter and a large weight is pulled up. SOLUTION: In the production of silicon single crystal by the Czochralski process, the neck part (2) between the seed crystal (1) and the silicon single crystal (3) is heated in the temperature range from 550 deg.C to the 800 deg.C with the heater (17), when the silicon single crystal is pulled up.
Patent JP-H01176072-A (JP)
Title: Ion plating device
Inventor: KANO HIROSHI
IPC: C23C14/32
Filed: 1987-12-29
Abstract: PURPOSE:To enable ion plating even at a low degree of vacuum by carrying out evaporation from an evaporating source by arc discharge. CONSTITUTION:Low pressure gas is introduced into the vacuum chamber 5 of an ion plating device 2, an electric field is applied to generate plasma and particles evaporated from an evaporating source 6 are ionized by passing through the plasma region. The ionized particles are accelerated and collided against a substrate 9 having the opposite polarity to form a film. In the ion plating device, an arc nozzle 1 is set. The nozzle 1 is an arc nozzle for forming a thin film used to synthesize diamond, etc., and consists of a tubular outer electrode 20 of graphite, a cylindrical inner electrode 21 of graphite at the center of the electrode 20 and a tip nozzle 22. Voltage is impressed between the electrodes 20, 21, an inert gas is fed to generate arc plasma by arc discharge and the plasma is jetted from the tip nozzle 22 toward the evaporating source 6 to evaporate particles.
Patent JP-H01175257-A (JP)
Title: Manufacture of mis semiconductor device
Inventor: SAITO TSUTOMU
IPC: H01L21/302
Filed: 1987-12-29
Abstract: PURPOSE:To prevent a tungsten gate electrode from being side-etched and to prevent an irregularity and a deterioration of the performance of an element by a method wherein, after a gate insulating film and a tungsten layer have been formed on a semiconductor substrate and this assembly has been thermally nitrified in ammonia gas, a patterning operation is executed by reactive ion etching using a fluorine-based gas. CONSTITUTION:A gate oxide film 5 by thermal oxidation is formed in a device formation region 4 on a p<-> type Si substrate 1; then, a W layer 106 is formed by a sputtering method. Then, this assembly is heat-treated in ammonia gas; a tungsten nitride layer 7 is formed. Then, an SiO2 mask film 108 is formed; a resist pattern 9 corresponding to a gate electrode is formed on it; an SiO2 mask pattern 8 corresponding to the gate electrode is formed by making use of the resist pattern as a mask by an RIE operation using a gas of CHF3+CF4; in addition, the W layer 106 is patterned by making use of the mask pattern as a mask by the RIE operation using a gas ot SF6. By this setup, the side- etching amount e1 on the side of a W gate electrode 6 can be reduced to about 500-1000Angstrom  or less.
Patent JP-H04196958-A (JP)
Title: Adapter device for radio facsimile communication
Inventor: MIKAMI SHIGERU
IPC: H04N1/32
Filed: 1990-11-28
Abstract: PURPOSE:To initially set a facsimile without fail by providing a ringing tone generation part, line interface part and initial set signal generation part. CONSTITUTION:When starting the operation of the facsimile on the transmission side, a ringing tone signal is generated by a ringing tone generation part 15 and transmitted to the facsimile so as to show the operation under calling a called party side. Then, the facsimile is connected to a line according to a line connection signal from a line interface part 12 and initially set by using an initial set signal transmitted from an initial set signal generation part 17.
Patent JP-H10281397-A (JP)
Title: Method and device for adjusting speed of pressure change and increasing receiving amount in prespecified range in precharged fluid storage system
Inventor: CELORIER JR GEORGE M
IPC: F17C13/00
Filed: 1997-10-27
Abstract: PROBLEM TO BE SOLVED: To provide an expansion tank reformed for use of a hot water heating system, pressure water system, etc. SOLUTION: A fluid storage system includes a means 107 for separating the inside of a fluid storage vessel 100 into a first/second part 103, 106. Here, by introducing volatile expansion fluid in the first part 103 of the vessel, it is previously charged, operating fluid is introduced in the second part 106 of the vessel, a position of the means for separating is moved, the volatile expansion fluid is at least partially compressed, ideal gas expansion fluid is used, to be compared with a back pressure given to the means for separating, a back pressure of the volatile expansion fluid given to the means for separating is decreased. In this way, additional operating fluid can be introduced in the vessel.
Patent JP-H09171431-A (JP)
Title: Input device for computer
Inventor: OISHI YUJI
IPC: G06F3/0354
Filed: 1995-12-20
Abstract: PROBLEM TO BE SOLVED: To provide an input device for computer improved in convenience and durability. SOLUTION: Concerning a game controller 1 for inputting displacement data to a game machine (a device for computer game) connected to a television for domestic use so as to express the moving amount and moving direction of game character displayed on a television screen by this game machine, this game controller 1 is provided with a pressure sensitive pad PAD formed in a plane so as to detect the pressed position on the upper surface and when the pressure onto the pressure sensitive pad PAD is detected, the pressed positions on the pressure sensitive pad PAD are successively detected to calculate the displacement data expressing the moving amount and moving direction of that pressed position per unit time. Then, these calculated displacement data are radio-transmitted by infrared rays from an infrared transmission part 5 provided on the side surface of main body 3.  With such a game controller 1, the game character can be moved from any arbitrary position away from the game machine and further, since any mechanism section is not provided, the game controller is lightened and improves the durability as well.
Patent JP-H02214995-A (JP)
Title: Method for organizing data in nonvolatile memory of franking machine
Inventor: NANETSUTO BURAUN
IPC: G11C29/00
Filed: 1989-12-21
Abstract: PURPOSE: To minimize the quantity of good memories which cannot be used by substitution at the time of removing a damaged part or memories from the work by providing each data store with one or plural buffers and making each buffer contain one or plural related data items. CONSTITUTION: Plural data stores each of which has at least one buffer containing related data items are assigned to non-volatile memories 104 and 106, and data stores including bit map buffers which have data related to states of segments of non-volatile memories 104 and 106 are provided in nonvolatile memories 104 and 106. Further, an entry table of addresses is provided in a ROM 100, and a process is provided where a buffer address is determined in accordance with data stored in the ROM table and non-volatile memory bit maps. Thus, damage to the normal organization mechanism of memories and the normal access mechanism is reduced as much as possible, and corrupted memory data can be substituted.
Patent JP-2000158716-A (JP)
Title: Color converter and color converting method
Inventor: MOROHARA TAKEHIRO
IPC: H04N1/60
Filed: 1998-11-24
Abstract: PROBLEM TO BE SOLVED: To facilitate management of print data when color is converted even for a person short of the knowledge of chromatics by providing a means for converting a print data such that the color of one printer is reproduced by other printer using a print characteristics description data stored in a memory means. SOLUTION: A color converter for reproducing the color of other printer when a print data is outputted from a printer comprises a memory means 1 for storing a plurality of print data, and means 2 for determining the format of a stored print data and the color of a printer being reproduced by other printer. A print data format converting means 3 converts the format of a print data into a convertible one and a color converting means 5 converts the print data such that the color of one printer is reproduced by other printer using a print characteristics description data stored in a memory means 4. Subsequently, the print data is transferred to the printer.