baber/WOPTO huggingface dataset:
Patent JP-S6350936-A (JP)
Title: Optical disk
Inventor: NAKATANI YOSHIO
IPC: G11B7/24047
Filed: 1986-08-19
Abstract: PURPOSE:To obtain an optical disk with a few of noise, and superior C/N characteristic, by providing a recording layer on a base in which the single pass value in double refraction is <=20nm, and whose polarity is always kept at a minus value. CONSTITUTION:In a recording area, the recording layer is provided on the substrate in which the single pass value in the double refraction is <=20nm, and whose polarity is always kept at the minus value. To obtain such substrate by applying injection molding on an acrylic resin, and a polycarbonate resin, a die temperature adjusting temperature, and a heating tube temperature are increased. And by a pressure keeping processing is scarcely applied, and inserting in speed area so as not to generate molding strain in an inner and outer direction, a lagging phase axis direction becomes larger than a leading phase axis direction, and it is possible to obtain the base in which the polarity in the double refraction is always kept at the minus value. By setting the polari ty in the double refraction in the recording area always at the minus value, it is possible to obtain the optical disk in which the double refraction after the lapse of a long time, that is the noise is reduced, and the superior C/N characteristic is attached.
Patent JP-H1036479-A (JP)
Title: Binder for thick-film paste
Inventor: SUEHIRO MASATOSHI
IPC: C08L67/02
Filed: 1996-07-23
Abstract: PROBLEM TO BE SOLVED: To obtain a binder for thick-film pastes which remains no carbon even when baked in the atmosphere, a low-temperature range or an inert gas atmosphere by using a specified high-molecular compound having a specified average molecular weight or higher. SOLUTION: A dihydroxy compound having an average molecular weight of 1,000 or above and obtained by the addition polymerization of an alkylene oxide is reacted with a dicarboxylic acid, its anhydride or its lower alkyl ester or reacted with an isocyanate-terminated compound to obtain an ester-bond- containing or a urethane-bond-containing polymer compound having an average molecular weight of 20,000 or above. It is desirable that the polymer compound has 50wt.% or above alkylene oxide. The polymer compound is used as a binder for thick-film pastes.
Patent JP-S6349589-A (JP)
Title: Power steering device for working vehicle
Inventor: FUKUDA MINORU
IPC: B62D7/14
Filed: 1986-08-18
Abstract: PURPOSE:To enhance the operability of a work vehicle, in which the front and rear wheels are made possible to be steered, by making it possible to be automatically changed over to either a 2-wheel steering type or a 4-wheel steering type. CONSTITUTION:To the front wheels 3F and rear wheels 3R capable of being independently steered respectively in a working vehicle suitable for mowing work, angle detecting means R1, R2 which detect respective steering angles are provided, and an angle indicating means R0 which indicates a target (steering) angle is provided to a steering wheel H. And the output signals from them are input into a control means 9, and when the target angle is within the range of a set angle on the neutral side, the operation of hydraulic cylinders 5F, 5R for steering the front and rear wheels is controlled so that the front and rear wheels 3F, 3R on one side are changed in accordance with the target angle. And, when the target angle is outside of the range of the set angle, the front and rear wheels are turned in the reverse direction, and further are steering-controlled respectively in accordance with the target angle.
Patent JP-2001023882-A (JP)
Title: Pedestal with vibration sensor and aligner using the same
Inventor: WAKUI SHINJI
IPC: H01L21/00
Filed: 1999-07-07
Abstract: PROBLEM TO BE SOLVED: To feed forward effective earth motion by burying or incorporating a vibration sensor in a pedestal which is provided as the foundation of a device. SOLUTION: A vibration sensor is buried or incorporated in a pedestal 2 so that the sensor may measure the vibration of the whole pedestal 2. The vibration sensor buried or incorporated in the pedestal 2 is constituted of a three-component vibrometer 7 which detects vibrations of the pedestal 2 in the vertical and two horizontal directions. The output of the vibrometer 7 with respect to the vertical vibrations is introduced to an earth motion feed forward compensator 31, and the output of the compensator 31 is added to the preceding stage of a voltage-current converter 27. Through such earth motion feed forward, the influence of the vibration of the pedestal 2 on an aligner is offset.  In addition, the vibration sensor buried in the pedestal 2 is utilized as a sensor for urgently stopping the operation of the aligner when the building in which the aligner is set up is visited by an earthquake.
Patent JP-H0945092-A (JP)
Title: Equipment for erasing information of semiconductor memory
Inventor: TSUJITA KENJI
IPC: G11C16/02
Filed: 1995-07-28
Abstract: PROBLEM TO BE SOLVED: To obtain equipment for erasing the information of a semiconductor memory which can erase the information of the semiconductor memory in a short time and efficiently and can improve productivity. SOLUTION: This equipment has an ultraviolet lamp 1 casting an ultraviolet ray on a wafer 5, an upper electrode 4 and a lower electrode 6 equipped with grid-shaped parts 8 for impressing an electric field respectively, and induction coils 2a and 2b disposed outside the ultraviolet lamp 1 and the electrodes 4 and 6 and heating the wafer 5 or a package 10. As for the wafer 5, the information of a memory is erased by the irradiation of the ultraviolet lamp 1, the impression of the electric field by the electrodes 4 and 6 and the heating by the induction coils 2a and 2b. As for the package 10, the information is erased by the electrodes 4 and 6 and the induction coils 2a and 2b.
Patent JP-H099807-A (JP)
Title: Water culture for ornamental plant, equipment therefor, large-volume culturing system for ornamental plant, method therefor, plant-supporting structure used in water culture of ornamental plant and vessel for water culture of ornamental plant
Inventor: KOBAYASHI HIDETOSHI
IPC: A01G9/02
Filed: 1995-06-27
Abstract: PURPOSE: To enjoy a water-cultured ornamental plant in a vase for a long period of time by inserting a water-cultured ornamental plant in a vase and developing its root in the vase. CONSTITUTION: In the water culture of an ornamental plant, the stem of the water-cultured ornamental plant is laid sideways to the cultivation vessel 3 or the cultivation unit 9. The water-culture panel having an opening for supporting the cultured plant whose stem is laid sideways is directly or indirectly brought into contact with the culture solution 10 to enable a large volume production of water cultured ornamental plants in the culture vessel or in the culture unit 9.
Patent JP-H0242094-A (JP)
Title: Novel platinum-containing compound and remedy for malignant tumor
Inventor: HASEGAWA SAKIE
IPC: C07C211/65
Filed: 1988-08-02
Abstract: NEW MATERIAL:Compounds of formula I (R is 1-17C alkyl). EXAMPLE:2-Acetylcyclopentane-1,3-diode-hydroxo(trans-l-1,2-diaminocycl ohexane) platinum(II)1hydrate. USE:A remedy for malignant tumor. PREPARATION:Dinitrato(1,2-diaminocyclohexane)platinum(II) or sulfato(1,2- diaminocyclohexane)platinum(II) represented by formula II [R1 is (ONO2)2 or OSO3] is reacted with a compound (e.g., 2-acetylcyclopentane-1,3-dione) expressed by formula III in the presence of an alkali hydroxide.
Patent JP-H0725613-A (JP)
Title: Production of cuprous chloride
Inventor: KANAYAMA NOBUO
IPC: C01G3/05
Filed: 1993-07-08
Abstract: PURPOSE:To efficiently and inexpensively produce highly pure cuprous chloride by adding a reducing agent to a cupric chloridecontaining solution high in the concentrations of copper and hydrochloric acid, filtering off impurities from the obtained chloro complex solution, and subsequently cooling the filtrate. CONSTITUTION:For example, a cupric chloride etching waste solution is concentrated into a solution having a copper concentration of 11wt.% and above and a hydrochloric acid concentration of >=9wt.%. The cupric chloride-containing solution is mixed with a reducing agent such as iron or copper to reduce the cupric chloride into cuprous chloride. The cuprous chloride forms a chloro complex and is dissolved to provide a chloro complex solution. Impurities are filtered off from the chloro complex solution. The chloro complex solution is cooled at e.g. approximately 20 deg.C to deposit the cuprous chloride from the solution by the utilization of the difference between the solubilities due to the difference of temperatures, followed by filtering out the cuprous chloride, thus recovering the crystals of the highly pure cuprous chloride.
Patent JP-S5894934-A (JP)
Title: Wire-cutting spark erosion equipment
Inventor: KURAHASHI YASUNORI
IPC: B23H7/02
Filed: 1981-12-02
Abstract: PURPOSE:In a processing liquid controller for a wire-cutting spark erosion equipment, to prevent a UV spindle slider from dipping in processing liquid, by providing the slider with a detector to find out the level of the processing liquid to stop driving a liquid supply pump. CONSTITUTION:A float switch 58 mounted near a UV spindle slider 50 detects that the level of processing liquid approaches the slider before the liquid level rises to such extent that the liquid goes over the position setting liquid surface of a liquid level control plate 36 and overflows through an overflow hole 38. When the float switch 58 has acted, a sequence circuit is put in operation by the detection output of the switch to stop driving a processing liquid pump 20.
Patent JP-H04297038-A (JP)
Title: Manufacture of vertical mis field effect transistor
Inventor: MATSUMOTO SATOSHI
IPC: H01L21/336
Filed: 1990-07-23
Abstract: PURPOSE:To obtain a function as an n-channel type vertical MIS field effect transistor stably by locating a source electrode layer and a drain electrode layer with a third semiconductor laminated body, which is formed by laminating a drain region, high specific resistance drain region, channel region and source region in order, put between. CONSTITUTION:A conductive layer 26 which serves for a source electrode layer and another conductive layer 27 which serves for a drain electrode layer are located up and down with a semiconductor laminated body 32'' put between. The semiconductor laminated body 32'' is formed by laminating a semiconductor substrate 1 which serves for a drain region, a semiconductor layer 2 which serves for a high specific resistance drain region, a semiconductor layer 4' which serves for a channel region, and a semiconductor layer 31'' which serves for a source region in order. Since the semiconductor layer 31'' which serves for a source region, the semiconductor substrate 1 which serves for a drain region and a semiconductor layer 2 which serves for a high specific resistance drain region are n-type and the semiconductor layer 4' which serves for a channel region is p-type, the fabricated device is n-channel type.
Patent JP-H0945529-A (JP)
Title: Electromagnet driving device
Inventor: MURATA YUKIHIRO
IPC: H01F7/18
Filed: 1995-07-31
Abstract: PROBLEM TO BE SOLVED: To obtain an electromagnet driving device in which an electromagnet is not released even when an input power supply is set instantaneously to an open state by a method wherein a second diode is connected across the input power supply and a circuit ground. SOLUTION: A second diode D2 is connected across an input power supply Ps and a circuit ground GND. Then, a voltage detection circuit A outputs an electromagnet driving signal Va when an input supply voltage Vin exceeds a first threshold value, and it stops the electromagnet driving signal Va when the input supply voltage Vin is less than a second threshold value which is set at the first threshold value or lower. In addition, when an input from the input power supply Ps is set to an open state by a switch SW, the electromagnet driving signal Va is set so as to be stopped after a prescribed time has elapsed from a point of time when the open state is set.
Patent JP-H0246949-A (JP)
Title: Strip continuous casting machine
Inventor: YAMAUCHI TAKASHI
IPC: B22D11/06
Filed: 1988-08-05
Abstract: PURPOSE:To stabilize operation of continuous casting by constituting surface layer of circumferential face of a roll contacting with the side dam with a hard material and forming the surface as the rough surface having grindability. CONSTITUTION:To one pair of cooling rolls 1a, 1b rotating mutually to reverse directions, the side dams 3a, 3b as vertically shiftable are arranged. In the whole thickness of each side dam, a part W1 at the inner part is made to set on the circumferential face of the roll and a part W2 at the outer part is formed by extending so as to slidingly contact with the side face of the rolls 1a, 1b. Then, in the roll circumferential face R, the part slidingly contacting with the bottom part faces 6, 6' of the side dam are formed with the hard metal layer and the surface layer is formed with the rough surface having grindability. As the sliding face of the cooling roll 1a, 1b is formed with the hard material composing the rough surface having grindability, the leakage of the molten metal is surely prevented and the operation of the continuous casting is stabilized.
Patent JP-S6254561-A (JP)
Title: Production of composite ingot in continuous casting stage
Inventor: OGAHIRA KAZUO
IPC: B22D19/16
Filed: 1985-09-03
Abstract: PURPOSE:To obtain a large-sized composite ingot having stable quality by executing descaling and secondary cooling or local holding and heating to maintain the temp. at both ends of the hot ingot at the temp. equal to or higher than the temp. in the central part, then dropping and laminating a different molten metal thereon. CONSTITUTION:The continuous hot ingot 4 formed by a tundish 2 and a casting mold 3 from a ladle 1 is descaled by a steel wire brush 6 in a chamber 19 in an inert gaseous atmosphere. The ingot 4 is subjected to secondary cooling under controlled secondary cooling conditions or to local holding or heating by using edge heaters 10 in such a manner that the temp. at both ends on top of the ingot 4 is made equal to or higher than the temp. in the central part. The molten metal 11 having the compsn. different from the compsn. of the ingot 4 is thereafter dropped from a dispersion nozzle 14 onto the ingot 4 by which the 2nd layer metal 16 is laminated on the ingot 4. Both metals are surely joined by hold-down rolls 17. The large-sized composite ingot having the stable quality is thus produced.
Patent JP-H06166675-A (JP)
Title: Method for purifying pyridine compound
Inventor: SURINIBUASAN SURIDAARU
IPC: C07D213/16
Filed: 1993-08-05
Abstract: PURPOSE: To obtain pyridine compounds in high purity at low cost by adding water to a compound obtained by hydrocarboxymethylation of an olefin, and by distilling first with methanol and then with water.  
     CONSTITUTION: The above mentioned compounds are provided by hydrocarboxymethylating 6-14C olefins, adding the obtained mixture to water and separating first materials having intermediate boiling point with methanol and separating finally pyridine compounds with distillation. 
     COPYRIGHT: (C)1994,JPO
Patent JP-S6173424-A (JP)
Title: Conversion system of binary data
Inventor: ETO YOSHIZUMI
IPC: H04N5/926
Filed: 1984-09-19
Abstract: PURPOSE:To obtain weight sequence codes hard to be expanded of a code error generated at a recording/reproducing time after reverse conversion by dividing a data word into plural bit groups, converting respective bit groups into new bit groups and synthesizing these new bit groups to obtain a new word. CONSTITUTION:An analog picture signal applied to a terminal 1 is converted into an 8-bit digital code by an A/D converter 2 and an error correcting code is added to the digital code by an error correcting encoder 3. A table 4 consists of a ROM for the input of 8 bits and the output of 8 bits and converts an 8-bit original code into upper and lower 4-bit codes independently on the basis of said corresponding relation. Respective 4-bits obtained after the conversion are regarded as new upper and lower 4-bit code and inverted at their polarity in each period having high correlation to the original code such as one picture element and one scanning line. A VTR 6 records/reproduces the codes.
Patent JP-S6174061-A (JP)
Title: Document processing device
Inventor: TAKAKURA HIROSHI
IPC: G06F17/21
Filed: 1984-09-19
Abstract: PURPOSE:To make easy handling of common data and to make easy correcting and editing of the data by including potential data in the document to which layout display is executed. CONSTITUTION:A display control part 2 inputs document data to VRAM2 in accordance with display layout information and displays to a CRT display part 1. A microprocessor 4 replaces the data related to special control data in the document data to symbol data corresponding to this, converts display position information from a pointing device 7 to an address of the document data corresponding to this and reproduces the data related to special control data to symbol data designated by the address.
Patent JP-S5985455-A (JP)
Title: Piston of stirling engine
Inventor: FUJIWARA MICHIO
IPC: F02G1/043
Filed: 1982-11-04
Abstract: PURPOSE:To hold a seal ring at a low temperature, by a method wherein the under surface of the seal land of a reciprocating scavenging piston 2 is formed in a recess, and the head part of a power piston or a rod seal housing is formed in a protrusion. CONSTITUTION:The end surface part, positioned facing a compression chamber, of a piston seal land 3', is formed in a recess, and a protrusion, mating with the recess, is formed on a power piston 4'. The piston seal land 3' is increased in an area which makes contact with a compression chamber filled with working fluid of about 100 deg.C, and the part, in the vicinity of a part whereto a piston seal 3a is attached, of the piston land can be held at 200 deg.C or below at which a self- lubricating material can be used. When working fluid in the compression chamber is moved to an expansion chamber by the scavenging piston 2, the piston land 3' is forcibly cooled through the flow of working gas. Further, the head part of the scavenging piston 2 can be shortened, a reciprocating inertia mass is reduced, and vibration produced resulting from reciprocating movement is decreased.
Patent JP-H0359236-A (JP)
Title: Chemicals injection device for flush toilet
Inventor: TAKEMURA EIJI
IPC: E03D9/02
Filed: 1989-07-27
Abstract: PURPOSE:To maintain the fixed quantity chemicals feeding effect by connecting a flush water pipe to a tank with a fixed quantity chemicals feed section via a float valve, feeding water into the tank to dissolve chemicals at the time of flushing, and discharging the water to a stool. CONSTITUTION:A tank-shaped injection device main body 10 is arranged near a stool, a valve seat 12 and a valve body 13 with a float 11 are provided on a bottom section, and the injection device main body 10 is communicated to a flush water pipe via a connecting pipe 14. A chemicals container 1 filled with chemicals A is provided and fixed in the main body 10. When the flush water is flushed, part of it flows into the main body 10, it pushes up the float 11 at the preset water level to close the valve body 13, and the chemicals A is dissolved and diffused. The valve body 13 is lowered by the pressure reduction at the final stage of flushing, and the chemical-dissolved water is discharged into the stool. A fixed quantity of the chemicals is invariably fed whenever the flush water is flushed, and the aging reduction of the effect can be prevented.
Patent JP-H0481844-A (JP)
Title: Silver halide photographic sensitive material
Inventor: YAMAZAKI CHIKAMASA
IPC: G03C7/36
Filed: 1990-07-25
Abstract: PURPOSE:To improve the spectral characteristics of a yellow dyestuff and to obtain excellent color reproducibility by incorporating the yellow coupler expressed by a specific structure and 2-(2'-hydroxyphenyl)benztriazole compd. into the above material. CONSTITUTION:This photosensitive material contains the yellow coupler expressed by the formula and the 2-(2'-hydroxyphenyl)benztriazole compd. In the formula, RA denotes an alkyl group, cycloalkyl group; RB denotes an alkyl group, cycloalkyl group, acyl group or aryl group; RC denotes a group which can be substd. with a benzene ring; RD denotes an alkyl group; J denotes -N(RE) CO- or -CON(RE)- (RE denotes a hydrogen atom, alkyl group, aryl group or heterocyclic group); X1 denotes a group which can be eliminated at the time of coupling; (n) denotes 0 or 1. The excellent preservable property of yellow dye images and the high color developing densities as well as the sufficient max. density are obtd. in this way.
Patent JP-S6352050-A (JP)
Title: Gas sensor
Inventor: ONO YOSHIO
IPC: G01N27/16
Filed: 1986-08-22
Abstract: PURPOSE:To increase detection output for CO and to improve reliability by sintering CuO or catalyst essentially consisting of CuO to the surface of the coil in an active part and maintaining the coil surface at 150-250 deg.C. CONSTITUTION:A voltmeter 4 for measuring sensor output is provided between the middle of a connection by which the active part 1 and compensation part 2 are connected in series and a resistor 3. The sensor is so constituted that 6V DC flows between the terminals. 20 micron wires consisting of; for example Pt, etc., are used for both the active part 1 and the compensation part 2. Said parts are manufactured in the form of about 50-60OMEGA coils to maintain the surface temp. of the coil at 150-250 deg.C when 6V bridge voltage is impressed to the element with 0.5phi wire winding diameter. Al2O3 is stuck and sintered onto the upper part of the coils. A Cu(NO3)2 soln. is stuck to the upper part of the Al2O3 formed on the coil of the active part 1 and is thermally decomposed by energizing or heating, by which the catalyst part is formed in the form of CuO, etc. A colloidal soln. of silicon is stuck onto the Al2O3 and is fixed by heating.
Patent JP-S6174927-A (JP)
Title: Vibration absorbing device
Inventor: KAWAI TAKEO
IPC: F16F1/387
Filed: 1984-09-17
Abstract: PURPOSE:To enable the control of several types of vibrations having different directions and frequencies by using a single shock absorbing device in which a cavity is formed in a rubber elastic material in 180 deg. rotational symmetry about the center shaft of its core material. CONSTITUTION:There is a rubber elastic material 4 vulcanized and stuck between a cylindrical core material 1 and its concentric heavy cylinder 2 of large wall thickness. Cavities 5 are formed in the said rubber elastic material 4 in 180 deg. rotational symmetry about a center shaft running through the center of the cylindrical core material 1, in order to control several types of vibrations having different directions and frequencies.