baber/WOPTO huggingface dataset:
Patent JP-H09181028-A (JP)
Title: Washing solution of semiconductor chip
Inventor: MINAMI SAIGU
IPC: H01L21/308
Filed: 1996-12-19
Abstract: PROBLEM TO BE SOLVED: To obtain washing solution with which contaminants such as particles and polymers can be removed efficiently while the damage to a metal film is minimized by a method wherein tetramethyl ammonium hydroxide solution, acetic acid and deionized water are contained. SOLUTION: Tetramethyl ammonium hydroxide solution, acetic acid and deionized water are contained in the washing solution of a semiconductor chip. In this solution, it is recommended to contain 1-50% of acetic acid and deionized water respectively in terms of volume ratios to tetramethyl ammonium hydroxide solution. The recommended concentration of tetramethyl ammonium hydroxide solution is 1-30wt.% and, more preferably, approximately 2.38wt.%. As for the concentration of acetic acid, the recommended concentration is not less than 99.9%. This washing solution is suitable for the washing process of general semiconductor chips and, particularly, suitable for the washing process after a metal wiring layer is formed. With this washing solution, contaminants can be removed efficiently while a metal film is hardly damaged.
Patent JP-H10178827-A (JP)
Title: Seedling transplanter
Inventor: NAMOTO MANABU
IPC: A01C11/02
Filed: 1996-12-18
Abstract: PROBLEM TO BE SOLVED: To accurately supply seedlings taken out from a seedling box to a seedling planting device. SOLUTION: This seedling transplanter is provided with a seedling holder 32a for receiving the seedlings for one lateral column taken out from the respective pots of the seedling box for which many pots for housing the seedlings stump by stump are arrayed crisscrossed and moving the seedlings to a lower part while holding them, a seedling take-out tool 33a for taking out the seedlings for one lateral column from the seedling holder 32a when the seedling holder 32a is moved to a prescribed seedling take-out position Q and a seedling feed belt 34a for receiving the seedlings for one lateral column taken out from the seedling holder 32a by the seedling take-out tool 33a on a lower side, mounting the seedlings and carrying them to the seedling taking position of the seedling planting device 35 in the arrayed direction of the seedlings.  In this case, when the seedling holder 32a is present near the seedling take-out position Q, the operation speed of the seedling feed belt 34a is lowered.
Patent JP-H11179930-A (JP)
Title: Ink-jet recording apparatus
Inventor: ONO MITSUHIRO
IPC: B41J2/175
Filed: 1997-12-24
Abstract: PROBLEM TO BE SOLVED: To prevent mist generated when ink is discharged from scattering in an apparatus and enhance printing reliability by setting a mist recovery part for recover the generated mist at the downstream side of a recording head in a printing direction. SOLUTION: A recording head 1 (1<k> , 1<c> , 1<m> , 1<y> ) for jetting ink of black, cyan, magenta, yellow and a mist recovery part 2 are loaded on a common carriage, and the carriage is reciprocated in a main scan direction thereby achieving printing. The mist recovery part 2 has a central part sinking like a recess and is formed higher than a face of the recording head 1 where a nozzle 11 (11<k> , 11<c> , 11<m> , 11<y> ) is provided. A projecting end part of the mist recovery part 2 is formed lower than the face of the recording head 1 where the nozzle 11 is provided. The mist recovery part 2 effectively recovers mist generated when the ink is discharged. The recovered mist is wiped by a wiper blade set at a cap unit.
Patent JP-H05169324-A (JP)
Title: High strength hypoid gear
Inventor: AIHARA HIDEO
IPC: B23P15/14
Filed: 1991-12-20
Abstract: PURPOSE:To provide a hypoid gear whose fatigue strength is excellent even under high torque. CONSTITUTION:Endrem 10 processing is executed at the large end of the tooth part of either one or both of a driving pinion and a ring gear in a pair of hypoid gears, and after the tooth part is carburizedly quenched, it is shot peened and moreover chemically polished. The movement of a tooth bearing at the time of inputting torque is controlled by the endrem 10 of the large end part 12 to make a local tooth bearing at a heel approach a tooth bearing at a proper position. In addition, since the defective surface layer of the abnormally carburized layer or the like of the tooth part is removed by chemical polishing after the carburized quenching and shot peening of the tooth part, the tooth bearing between the driving pinion and the ring gear turns into a face bearing at a portion being excellent in fatigue strength to sharply improve the fatigue strength of the gears.
Patent JP-H05175760-A (JP)
Title: Amplifier
Inventor: YAMAGUCHI YUTAKA
IPC: H03G3/10
Filed: 1991-12-20
Abstract: PURPOSE:To finely adjust the gain of the amplifier. CONSTITUTION:The gain of the amplifier is expressed nearly as (R16+R17)/R16, where R16, R17 are respectively the resistance of resistors 16, 17. Then a base of a transistor(TR) 13 is connected to a variable power supply 6 and an emitter current of the TR 13 controls a TR 11 to change a current flowing to the resistor 17. Thus, when the voltage of the variable power supply 6 is changed, the gain of the amplifier is revised.
Patent JP-H05171326-A (JP)
Title: Aluminum alloy fin material for low temperature brazing and its production
Inventor: DOKOU TAKENOBU
IPC: C22F1/043
Filed: 1991-12-24
Abstract: PURPOSE:To improve strength and thermal conductivity without deteriorating the brazeability of a fin material for automobile heat exchanger such as radia tor, heater, and condenser, to be subjected to brazing at a low temp. CONSTITUTION:At the time of producing an Al alloy fin material by subjecting an ingot of an aluminum alloy having a composition consisting of, by weight, 0.03-0.8% Si, 0.05-1.0% Fe, 0.3-0.6% Mn, and the balance Al with inevitable impurities to homogenizing treatment, hot rolling, cold rolling, and annealing stages, the Al alloy fin material where the specific resistivity values before and after brazing are regulated to <=37nOMEGAm, respectively, can be obtained by performing heating, in the case where a stage of heating up to a temp. exceeding 500 deg.C is contained, for >=4hr in the aggregate at the time when a temp. of <=500 deg.C is reached in the final stage exceeding 500 deg.C and also at 380-500 deg.C in the subsequent stage and also by performing heating, in the case where a stage of heating up to a temp. exceeding 500 deg.C is not contained, for >=4hr in the aggregate at 380-500 deg.C in the stages after homogenizing treatment.
Patent JP-H05172254-A (JP)
Title: Material for slide seal member
Inventor: SAKATA TATSUE
IPC: F16J15/20
Filed: 1991-12-25
Abstract: PURPOSE:To provide a material having high abrasion resistance, sealing performance, and favorable affinity with the mating material, wherein the material is to form a slide sealing member such as seal ring whose mating member consists of comparatively soft aluminum or aluminum alloy. CONSTITUTION:Material concerned includes a matrix of denatured ethylene tetrafluoride resin and a main filler consisting of carbon fiber. Favorable example of the denatured ethylene tetrafluoride resin is a copolymer of ethylene tetrafluoride denatured with 0.001-1wt.% monomer which is expressed by the general equation CF2=CFOX and is capable of being copolimerized. A preferable carbon fiber content of the main filler is 7.5-17.5wt.%.
Patent JP-2001175315-A (JP)
Title: Numerical controller having coordinate transform part allowed to be applied to plural kinds of machine tools
Inventor: SEKIYAMA TOMOYUKI
IPC: G05B19/4093
Filed: 1999-12-15
Abstract: PROBLEM TO BE SOLVED: To simply apply a numerical controller having a coordinate transform processing part to plural kinds of machine tools. SOLUTION: As to the numerical controller provided with the coordinate transform part for transforming a command for a tool attached to a machine tool into a command to the shaft of the machine tool, the numerical controller has the coordinate transform part provided with a common coordinate transform part 11 having forward kinematical part 13 and a reverse kinematical part 12 for differentiating differences of machine tools only by differences of constants by setting up an internal coordinate system setting up coordinate axes so that the posture angle of a tool coincides with the rotational angles of respective axes and allowed to be applied to plural kinds of machine tools.
Patent JP-2001176527-A (JP)
Title: Fuel cell system and fuel cell cogeneration system
Inventor: OKAMOTO YASUNARI
IPC: C01B3/38
Filed: 1999-12-16
Abstract: PROBLEM TO BE SOLVED: To provide a fuel cell system capable of recovering a large amount of exhaust heat. SOLUTION: This fuel cell system comprises a reform system for reforming a base fuel of a hydrocarbon system to produce a reformed gas including H2, a fuel cell 1 generating power by using H2 included in the reformed gas produced by the reforming system as the fuel, and a heat medium circuit 50 for recovering the exhaust heat produced in the reforming system.
Patent JP-H06194568-A (JP)
Title: Camera with ttl finder
Inventor: MATSUMOTO YUKIHIRO
IPC: G03B13/12
Filed: 1992-12-25
Abstract: PURPOSE:To improve focus detecting accuracy and to shorten a time for a focus detecting calculation when a picture variable magnifying means is used. CONSTITUTION:A detecting means 7 detecting the fact that the picture variable magnifying means is used or not and a calculating means 2 limiting the area of a sensor means 1 used for the focus detecting calculating and executing the focus detecting calculation by using a picture signal obtained in the area, when the fact that the picture variable magnifying means if used is detected by the detecting means 7 are provided and when the picture variable magnifying means is used, a subject magnified by the image variable magnifying means is located (made incident). The focus detecting calculation is executed based on only the picture signal obtained in the area (picture element) on a focus detecting sensor means 1.
Patent JP-H11183623-A (JP)
Title: Radar apparatus and radar measuring method
Inventor: NITTA YUSHIRO
IPC: G01S17/10
Filed: 1997-12-25
Abstract: PROBLEM TO BE SOLVED: To provide a radar apparatus which realizes a high-speed processing operation, whose measuring reliability is high and whose production cost is low, and to provide a radar measuring method. SOLUTION: A radar apparatus is featured in such a way that irradiation laser light Li is shone at obstacles 102a to 102c, that beams of reflected laser light Lr reflected by the obstacles 102a to 102c are received so as to generate distance data D, that only specific data is extracted among a plurality of continued data D among from the distance data D and that the extracted specific data is cluster-processed.
Patent JP-2000181127-A (JP)
Title: Toner recycling type developing method
Inventor: SANO TAKAYUKI
IPC: G03G15/08
Filed: 1998-12-16
Abstract: PROBLEM TO BE SOLVED: To prevent worsening of base fog caused by embedding of silica fine particles in a toner and to extend the life of a toner in a developing method reusing the toner which is not transferred. SOLUTION: In the toner recycling developing method, after an electrostatic latent image formed on the surface of a photoreceptor is developed with a replenished toner consisting of toner particles and an external additive deposited on the surface of the toner particles to visualize the image as a toner image and the toner image is transferred to a recording sheet, the replenished toner remaining on the photoreceptor is recovered, and the recovered toner is reused to visualize an image. Features of this method are (a) the toner particles contain 3 to 10 wt.% magnetic powder, (b) silica fine particles are deposited by >=0.4 wt.% on the surfaces of the toner particles, and (c) the ratio (X/Y) of the bulk density (X) of the recovered toner to the bulk density (Y) of the replenished toner is >=0.75.
Patent JP-H06195635-A (JP)
Title: Production of thin film magnetic head
Inventor: IIJIMA ATSUSHI
IPC: G11B5/31
Filed: 1992-12-25
Abstract: PURPOSE:To extremely enhance yield and to reduce the number of processes. CONSTITUTION:Lower magnetic layers 15 for plural thin film magnetic heads are laminated on a wafer 10, an upper magnetic layer 30 is laminated on the lower magnetic layers 15 with at least a gap layer 23 in-between and the wafer 10 is cut to obtain thin film magnetic heads. At this time, protrusions 14 are formed at prescribed positions on the wafer 10 before the lower magnetic layers 15 are laminated and then the lower magnetic layers 15 are laminated so that edges of the lower magnetic layers 15 each confronting a magnetic medium are superposed on the protrusions 14.
Patent JP-2000146434-A (JP)
Title: Pressure reduction spin-drying device
Inventor: MAEDA KAZUAKI
IPC: F26B5/04
Filed: 1998-12-16
Abstract: PROBLEM TO BE SOLVED: To prevent re-adhesion to the work of a separation liquid and to improve dehydration efficiency by providing a means for rotating a means for retaining a work in a chamber whose pressure can be reduced by a main exhaust line around a specific rotary axis and a means for forcing liquid staying at the bottom of the chamber to be unloaded. SOLUTION: A lid 38 is opened and a work catch tool 20 is raised, a plurality of works (wafers) W whose treatment such as washing is completed are received and lowered and then are retained by a work retention part 18, and the lid 38 is closed. A drive motor 26 is driven and a rotary shaft 12 is rotated, a washing liquid is injected from a shower nozzle toward the works W, and the contamination of silicon and the like being melted onto the surface of the works W is washed away before staring a drying process for elimination after washing.  When the speed of the rotary shaft 12 reaches a specific speed or a specific amount of time passes, liquid adhering to the surface of the works W being retained at the work retention part 18 due to the stop of the injection of liquid from the shower nozzle is scattered due to the centrifugal force and stays at the bottom of the chamber 10 so that the liquid is guided from drainage piping 68 to a drain pot 70.
Patent JP-2001171204-A (JP)
Title: Leg for printer
Inventor: FUJIOKA SATOSHI
IPC: B41J29/06
Filed: 1999-12-17
Abstract: PROBLEM TO BE SOLVED: To mount a printer in correct orientation on a supporting leg utilizing legs when the printer is used while being mounted on a table. SOLUTION: A supporting leg 5 comprises right and left mounting tables 57, 58 fixed to the upper end parts of front legs 53, 55 and rear legs 54, 56. The front legs of a printer are located at positions causing no interference regardless of the mounting orientation of the printer on both mounting tables and the rear legs are located at positions being contained in recesses 57a, 58a when the printer is mounted in correct orientation on both mounting tables. When the printer is mounted in correct orientation with respect to the supporting leg, the mounting tables and the base frame of the printer can be tightened with screws through screw holes 57b, 58b and the printer is integrated with the supporting leg. When the printer is mounted reversely, the mounting tables interfere with the printer and the screw can not be tightened.
Patent JP-H05177000-A (JP)
Title: Catheter guide device
Inventor: TAKAYAMA NAOHIKO
IPC: A61M25/00
Filed: 1991-12-30
Abstract: PURPOSE:To simply and surely execute guidance at the time of inserting a catheter into the human body, etc., by receiving a transmitting signal from a transmitting means attached in a position related to the catheter by a receiving means, and detecting a position of the catheter, based on this receiving signal. CONSTITUTION:To the tip of a catheter 3 inserted into a testee (living body) 1, a transmitting body 31 is attached. On the other hand, in a catheter guide device, each sensor 51 for detecting a transmitting signal from the transmitting body 31, respectively, is provided. In such a state, detecting signal of each sensor 51 are inputted to a transmitting body position detecting circuit 53 through each preamplifier 52, respectively, by which a position of the transmitting body 31, that is, the catheter 3 is detected. Also, a position detecting signal passes through an adding circuit 55 and is outputted to an image display part 44, by which a detecting position is displayed. Moreover, image data from a tomographic image input part 54 of the testee 1 also passes through the adding circuit 55 and is inputted to the image display part 44, by which positions of a tomographic image and the catheter 3 are overlapped and displayed.
Patent JP-H11188916-A (JP)
Title: Image forming apparatus
Inventor: TSUSAKA SHUSAKU
IPC: G03G15/00
Filed: 1997-12-26
Abstract: PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of forming a good image and achieving high speed image forming. SOLUTION: This image forming apparatus comprises two motors of a main motor 38 and a sub-motor 39. A toner supplying means is driven by the main motor 38 in the high output power required for the high speed image forming and a photosensitive drum is driven by the sub motor 39 in high accuracy required for forming of a good image. As a result, the toner supplying means and photosensitive drum can be adequately driven corresponding to each required condition, thereby forming the good image and achieving the high speed image forming.
Patent JP-2000183453-A (JP)
Title: External resonator type light source
Inventor: MAEDA MINORU
IPC: H01S5/14
Filed: 1998-12-17
Abstract: PROBLEM TO BE SOLVED: To vary wavelength with stable laser oscillation by narrowing a spectrum line width, without extending the length of a resonator, and furthermore increasing the tolerance for the angular fluctuation of optical parts which generated, when varying the wavelength. SOLUTION: An external resonator type light source is provided with an optical amplifying element 1, where a non-reflecting film 1a is provided on one end face and a diffraction grating 2 with wavelength selectivity, arranged on an emission light axis at the side of the non-reflecting film 1a of the optical amplifying element 1, and is also provided with a reflector 3A that is arranged on the light axis of 0-th order diffraction beam that enters the diffraction grating 2 from the optical amplification element 1 and is reflected from the diffraction grating 2 and reflects the 0-th order diffraction beam, a reflector 3B that is arranged on the light axis of a first-order reflected beam that enters the diffraction grating 2 from the reflector 3A and is diffracted by the diffraction grating 2,  a parallel traveling mechanism 14 for translating the reflector 3A in the direction of its light axis, and a rotary mechanism 11 for rotating the reflector 3B.
Patent JP-H06203633-A (JP)
Title: Dielectric ceramic and ceramic capacitor
Inventor: CHAZONO KOICHI
IPC: C04B35/49
Filed: 1992-12-29
Abstract: PURPOSE:To provide a dielectric ceramic, the dielectric constant and the withstand voltage of which are increased by substituting a part of Ba of BaTiO3 with Ca and Er and substituting a part of Ti with Zr, and adding a predetermined amount of manganese oxide thereto. CONSTITUTION:Barium carbonate, calcium carbonate, erbium oxide, titanium oxide and zirconium oxide are prepared at the ratio by which a basic component expressed by formula: (0.01<=beta<=0.12; 0.003<=gamma<=0.03; 0.996<=alpha+beta+gamma=k<=1.03; 0.1<=x<=0.24) is obtained. Next, these materials are mixed by wet-mixing, dried and then calcined in the atmosphere to manufacture the basic component. Next, MaO of 0.05 to 0.5 parts by weight is added to the obtained basic component of 100 parts by weight, mixed by wet-mixing and dried to obtain a ceramic material powder. Next, an organic binder is added to the ceramic material powder, molded and then the molded body is baked in the atmosphere to obtain a dielectric ceramic base body.
Patent JP-H11190694-A (JP)
Title: Atr mapping method
Inventor: SUZUKI KOJI
IPC: G01N21/552
Filed: 1997-12-26
Abstract: PROBLEM TO BE SOLVED: To make mapping analysis with ATR prisms in close contact with a sample without vertically moving the sample (a sample stage) every measuring point. SOLUTION: A plurality of small ATR prisms 11 are arranged in X-Y directions in contact with the surface of a sample 13, and the sample 13 (a sample stage 14) is moved in the X-Y directions in relation to a Cassegrain-type objective lens 10 (incident, infrared rays) so as to measure infrared rays reflected from a plurality of points on the sample 13. Each one of a plurality of ATR prisms 11 is of such shape that the upper part is hemispherical and the lower part has slight curvature, and surrounded by a prism frame 15 formed of a resin or the like. A plurallity of such ATR prisms 11 are held by a prism holder 12 and arranged in close contact with the surface of the sample 13.
Patent JP-H11200205-A (JP)
Title: Linear motor unit for driving knitting needle in weft knitting machine
Inventor: TOYOOKA YOSHIRO
IPC: D04B15/78
Filed: 1997-12-26
Abstract: PROBLEM TO BE SOLVED: To shorten the overall longitudinal length and uniformize the flexural rigidity of a jack. SOLUTION: Mobile members 20 are combined in a manner freely movable in longitudinal direction with stators 12 arranged in two upper and lower rows on both faces of a base plate 11. Since the base plate 11 is provided only with the stators 12 and the mobile members 20 at the upper and the lower parts on each face, the longitudinal length can be minimized and the length of jacks 24 can be uniformized.
Patent JP-H06203315-A (JP)
Title: Production of magnetic head
Inventor: IHARA KEITA
IPC: G11B5/60
Filed: 1992-12-29
Abstract: PURPOSE:To provide the process for production of the magnetic head with excellent mass productivity by easily forming protective layers of head chips of a composite head. CONSTITUTION:The nonmagnetic protective layers 7 are formed on both flanks b by one time of sputtering vapor deposition from the front surfaces 5 of the head chips 1 which are formed with a magnetic gap 2 and constitute a magnetic path at the time of forming the protective layers 7 for preventing the reaction of adhesive glass and magnetic metallic films 3 on both head chip flanks 6 of these head chips 1. The head chips 1 are thereafter adhered and fixed into a nonmagnetic slider 8 by low melting glass 9.
Patent JP-H11172036-A (JP)
Title: Porous film, battery separator comprising porous film, and its production
Inventor: TADA YASUHIRO
IPC: H01M2/16
Filed: 1997-12-10
Abstract: PROBLEM TO BE SOLVED: To provide a porous film comprising a silane-crosslinked polyethylene and having low resistance to permeation of electrolyte ions, high mechanical strength and excellent heat resistance, a battery separator comprising the porous film, and a process for the production thereof. SOLUTION: The porous film comprises a silane-crosslinked polyethylene, with a gel fraction of 30% or higher to below 90%, and a ratio of the infrared absorbance (A) at 1,126 cm<-1> to the infrared absorbance (B) at 1,909 cm<-1> , (A)/(B), of at most 1. In producing a silane-crosslinked porous film from a resin mixture, serving as the raw material, comprising a silane-modified polyethylene and an organic low-molecular material compatible therewith by a process including an extrusion step, a stretching step, a crosslinking step and an extraction step, the temperature of the resin mixture when extruded is in the range from a temperature at which the silane-modified polyethylene and the organic low- molecular material exhibit compatibility with each other to 180 deg.C, and the stretching step precedes the crosslinking step.