baber/WOPTO huggingface dataset:
Patent JP-H11213862-A (JP)
Title: Negative electrode base and manufacture thereof
Inventor: UDA EIICHIRO
IPC: H01J1/28
Filed: 1998-01-26
Abstract: PROBLEM TO BE SOLVED: To provide a negative electrode base having sufficient ion impact resistance, satisfactory electron-emitting characteristic and furthermore satisfactory low-temperature operating characteristic even under high-voltage and high- frequency conditions. SOLUTION: A porous tungsten base is formed through sintering, and the electron emitting material is fused for impregnation in a vacant hole of the porous tungsten base. A scandium oxide thin film and a tungsten thin film are formed in this order on the porous negative electrode base by spattering. An impregnated negative electrode structure 1 provided with the porous negative electrode base 4 is assembled in a cathode-ray tube, and subjected to an activation process at 1,200-1,300 deg.C for 1 to 2 hours. The porous negative electrode base 4 has tungsten, scandium and oxygen in the electron-emitting surface side thereof as well as a scandium thin film. The scandium thin film has a positive density gradient of the scandium atom density in the depth direction from the surface of the electron-emitting surface side.
Patent JP-H09205398-A (JP)
Title: Band elimination optical filter and optical multiplexer/ demultiplexer
Inventor: HORIUCHI YUKIO
IPC: H04B10/29
Filed: 1996-01-29
Abstract: PROBLEM TO BE SOLVED: To eliminate an optical signal with a prescribed wavelength region by reflecting a light at a prescribed wavelength region to an isolator with a selective reflecting means and transmitting other lights without reflection. SOLUTION: The filter is provided with a selective reflection fiber 10 that reflects selectively a specific wavelength by forming a part whose refractive index is changed periodically, that is, a fiber grating in the lengthwise direction of its core and an optical isolator 12 that propagates an optical signal with a low loss in one direction and has a low for the propagation in the opposite direction, and the selective reflection fiber 10 is molten and connected to an output of the optical isolator 12. Then the optical signal 20 received by the optical isolator 12 receives no effect by the optical isolator 12 but is given to the selective reflection fiber 10 as it is. In this case, the selective reflection fiber 10 reflects only the optical signal with a wavelength of λ3. Then the optical signal 24 with the wavelength λ3 reflected by the selective reflection fiber 10 is made incident to the optical isolator 12 in an opposite direction and attenuated largely.
Patent JP-H11209473-A (JP)
Title: Water-base resin, production thereof, and water-base curable resin composition containing same
Inventor: KUDO SHINICHI
IPC: C09D183/04
Filed: 1998-01-26
Abstract: PROBLEM TO BE SOLVED: To provide a water-base resin which is excellent in curability and storage stability and forms a cured coating film excellent in gloss retention and durability such as stain resistance in outdoor exposure and resistance to acid rain, a process for producing the same, and a water-base curable resin compsn. contg. the same. SOLUTION: A mixture and/or a condensate formed from (A) a polysiloxane having Si-bonded hydrolyzable groups and/or Si-bonded hydroxyl groups and cycloalkyl groups bonded to at least 10 mol.% of the total Si atoms and (B-1) a polymer having acidic or basic groups is partially or completely neutralized with a basic or acidic compd. and then is dispersed or dissolved in a water-base medium, thus giving the objective water-base resin.
Patent JP-H10191994-A (JP)
Title: Production of (meth)acrylamide by microorganism
Inventor: NODA KIMIHIKO
IPC: C12R1/645
Filed: 1997-01-07
Abstract: PROBLEM TO BE SOLVED: To inexpensively obtain the subject compound that is useful as a starting substance for high molecular weight coagulant or additive for paper by allowing ammonium (meth)acrylate to contact with a microorganism that can convert it to (meth)acrylamide. SOLUTION: (A) An ammonium (meth)acrylate is allowed to contact with a microorganism that can convert the ammonium salt to an acrylamide, for example, a strain of Brettanomyces, Hansenula, Kluyveromyces, Pachysolen, Rhodotorula, Saccharomyces and Torulopsis in an aqueous medium at 0-40 deg.C to inexpensively produce the objective (meth)acrylamide of high purity useful as a high molecular weight coagulant, secondary and third crude oil-recovering agent, and a chemical for paper.
Patent JP-S60162818-A (JP)
Inventor: TOMITA HIDEYUKI
IPC: D02G1/02
Filed: 1984-01-30
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H07221390-A (JP)
Title: Optical semiconductor integrated circuit and its manufacture
Inventor: SUZUKI MAKOTO
IPC: H01S5/00
Filed: 1994-02-07
Abstract: PURPOSE:To suppress the strain variation of a lattice constant against a substrate while a growing speed variation is maintained at a desired value between different kinds of optical semiconductor waveguides and to reduce the film thickness variation in the plane orientation of the barrier layer of a quantum well parallel with the surface of the substrate when the different kinds of optical waveguides are collectively formed by selective growth. CONSTITUTION:The width of the gap between insulating masks 2 formed on a semiconductor substrate 1 is adjusted to 10-30mum and the length of an InGaAsP buffer layer 3 in the (111)B face is adjusted to about or above 1/8 of the length of the layer 3 in the (100) face. In addition, the growing condition of the InGaASP barrier layer 7 of a quantum well layer 4 is controlled so that the growing speed of the layer 7 can become almost the same on the (111)B and (100) faces.
Patent JP-H09209863-A (JP)
Title: Fuel supply device of engine
Inventor: SEKIMOTO YASUHIRO
IPC: F04B43/02
Filed: 1996-01-30
Abstract: PROBLEM TO BE SOLVED: To appropriate an existing diaphragm pump capable of transmitting a large pulsating pressure change generated in an air intake route to a diaphragm pump by relaxing it and designed in consideration of a small pulastile change generated in a crankcase as it is without remodulling it. SOLUTION: A derived end part 3 of a pulsating pressure introduction passage 2 is connected to an air intake route 5 to a combustion chamber and a contracted part 6 is formed in the pulsating pressure introduction passage 2 in a fuel supply device of an engine devised to drive a diaphragm pump 1 in accordance with pulsating pressure generated on a pulsating pressure generating point 4 by using the diaphragm pump 1 as a fuel supply pump, deriving the pulsating pressure introduction passage 2 from this diaphragm pump 1 and connecting the derived end part 3 of this pulsating pressure introduction passage 2 to the pulsating pressure generating point 4.
Patent JP-H02230631-A (JP)
Title: Method of forming light emitting screen structure on board of color cathode-ray tube in electonic photography manner
Inventor: PIITAA MAIKERU RITSUTO
IPC: G03G5/00
Filed: 1990-01-22
Abstract: PURPOSE: To increase adhesive force between a surface material and a photo- conductive layer and prevent a loss of a screen structure in a process of manufacture, by exposing a selected region of the photo-conductive layer, and giving an influence to a static charge on the photo-conductive layer. CONSTITUTION: A rectangular face plate panel 12 is formed by a substrate 18 and a side wall 20, in an internal surface of the substrate 18, a three-color fluorescent material screen 22 is formed to be supported. A thin conductive layer 24 of aluminum is provided on the screen 22, radiation light from a fluorescent material element is reflected through the substrate 18, also a uniform potential is given relating to the screen 22. A screen structure is constituted by the screen 22 and the conductive layer 24. A shadow mask 25 is inserted in the panel 12, a selected region on the photo-conductive layer 24, corresponding to a position where a coating of an emitting fluorescent material of green or blue or red color must be applied, is exposed by visible light, to be given a static charge.
Patent JP-H01189968-A (JP)
Title: Quantum interference type transistor
Inventor: ISHIDA KENJI
IPC: H01L21/338
Filed: 1988-01-26
Abstract: PURPOSE:To make it possible to form a quantum interference type transistor easily by a method wherein two-stage delta-functional doping layer, which becomes a current path, are provided on a compound semiconductor substrate, the interval of those doping layers is made in the de Broglie length of thereabouts, and a high density electrode is provided on the both sides of the doping layers. CONSTITUTION:Two stages of functional Si-doping layers 12-1 and 12-2 are provided in the vicinity of the surface of a semiconductive GaAs substrate 11. A undoped GaAs layer is provided on the upper part of the above-mentioned layers, and besides, a gate electrode 17 is provided there, high density source and drain regions 13 and 14 are formed on the both sides of the electrode 17, and ohmic electrodes 15 and 16 are provided on the upper layer of these regions. By providing two stages of the delta function type doping layers 12-1 and 12-2, a quantum interference type transistor can be formed easily. Since the doping layers an be homogeneously jointed or heterojointed to the compound semiconductor substrate to be used, the doping layers have a high degree of freedom. As a result, a ultra-high speed quantum interference type transistor can be formed easily.
Patent JP-S63181344-A (JP)
Title: Wafer transfer equipment
Inventor: SUZUKI KATSUMI
IPC: B65G49/07
Filed: 1987-01-22
Abstract: PURPOSE:To reduce wafer transfer time, by pressing a wafer against a piezoelectric actuator, and flipping it with the actuator. CONSTITUTION:The lowest stage wafer 11' of a wafer cassette 12 arranged in a preliminary exhaust chamber 13 is pressed against the tip of a piezoelectric actuator 16 by a press pin 15. After the press pin 16 is made to take shelter in a groove 17 arranged on a wafer transfer path, the wafer 11 is flipped on the wafer transfer path 14. The wafer 11' is guided by a guide plate 18, slided on the surface of the wafer transfer path 14, transferred from the preliminary exhaust chamber 13 to a reaction chamber 19, and collides with a stop plate 20 to be halted. When a processing is finished in the reaction chamber 19, the wafer 11' is pressed against a piezoelectric actuator 23 by a press pin 22, flipped on a wafer transfer path 24, and accommodated in a wafer cassette 26 for unloading. The transfer time of wafer can be reduced, thereby.
Patent JP-S56111347-A (JP)
Title: Method and device for multiplex transmission
Inventor: KUBOTA SHIGEO
IPC: H04J3/14
Filed: 1980-02-08
Abstract: PURPOSE: To improve transmission efficiency by transmitting news information, etc., from a master station to subordinate stations in time-division mode and by multiplexing return signals from the subordinate stations to the master station in frequency-division mode.  
     CONSTITUTION: When news information is allotted from master station 10, it is multiplexed by time-division multiplexer 103 together with telegram information to subordinate stations 20a∼20n and sent to down trunk route 301. Each subordinate station draws the bit allotted to itself by time-division multiplex receiver 201 and obtains its required news information by terminal device 203. Then, answer signal [ACK] or [NACK] from the subordinate station to the master station is transmitted by frequency-division multiplex transmitter 202 to master station 10 via up trunk route 302 at the frequency allotted to the subordinate station. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-H11206478-A (JP)
Title: Elevating and lowering housing device
Inventor: KITACHI NORIYUKI
IPC: A47B51/00
Filed: 1998-01-27
Abstract: PROBLEM TO BE SOLVED: To lower the pull-down position of a housing body while securing a clearance for not sticking a finger between a front link and a rear link in the state of pulling down the housing body to a most lowered position. SOLUTION: The housing body 2 housed inside an outer box 1 whose front surface is opened is freely pulled down from the inside of the outer box 1 to the front lower part of the outer box 1 by being turned through a linking mechanism 3. The linking mechanism 3 is constituted of parallel links composed of the front link 4 and the rear link 5 whose one end part is pivotally supported freely rotatably by the side face part side of the outer box 1 and other end part is pivotally supported freely rotatably by the side face part of the housing body 2. Then, setting is performed so as to turn the inner corner of an angular corner part at a part bent in a chevron shape to the side of the rear link 5 in the state of bending the front link 4 in the chevron shape and pulling down the housing body 2 from the inside of the outer box 1 to the front lower part of the outer box 1.
Patent JP-S55107377-A (JP)
Title: Image sensor for color facsimile
Inventor: MATSUKI MAKOTO
IPC: H04N1/04
Filed: 1979-02-10
Abstract: PURPOSE: To constitute the color facsimile unit easily, by obtaining the photoelectric conversion output corresponding to, e.g., the light amount of red, green and blue from the three photo detectors of the photo detector group and obtaining the output in shielded state from the remaining photo detectors.  
     CONSTITUTION: The photo detectors 31...34 constitute one set of photo detector group, and three types of spectral sensitivity are used for the elements 31, 32, 33. When each FET is conductive by giving a voltage to the gate of FETSQ 1 ...Q 4  with the scanning circuits 35, 36, the elements 31...34 are connected to the video signal output lines 37...40. Accordingly, from the elements 31...33 the photoelectric conversion output corresponding to the light amount of, e,g., red, green and blue is obtained, and output is obtained in the shielded state from the element 34. Thus, the color video signal output for color fascimile is obtained with one solid state image sensor to constitute the color fascimile unit simply. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H08196532-A (JP)
Title: X-ray computer tomograph
Inventor: OZAKI MASAHIRO
IPC: A61B6/03
Filed: 1995-01-31
Abstract: PURPOSE: To shorten latency until image display is started after restarting the exposure of an X-ray and the collection of data by starting the reconfiguration of an image based on projection data of prescribed angle before interruption and the one after restart when the collection of the projection data is restarted after it is interrupted. CONSTITUTION: An X-ray tube 2 and a one-dimensional array type X-ray detector 3 collect the projection data repeatedly as rotating successively around an examinee, and a rotary driving control part 6 drives and controls the rotation of the X-ray tube 2 and the one-dimensional array type X-ray detector 3. The projection data outputted from a data collection unit 4 is sent to a control/data bus 7, and a reconfiguration processing part 8 generates a tomographic image with a division system. The reconfiguration processing part 8 starts the reconfiguration of the image based on the projection data of prescribed angle before interruption and the projection data after restart when the exposure of the X-ray is interrupted while CT radiographing is continued and the collection of the projection data is restarted after it is interrupted accordingly.
Patent JP-H08210312-A (JP)
Title: Slider cover for cylinder unit and mounting thereof
Inventor: UMEMURA NOBUYUKI
IPC: F15B15/28
Filed: 1995-01-31
Abstract: PURPOSE: To provide a slider cover for cylinder unit which can prevent a contact between a slider and the slider cover completely without increasing the number of parts item to be used or cost. CONSTITUTION: The cylinder tube 2 of a cylinder unit U1 is provided with a slider 4, and a frame 1 stores the cylinder tube 2. A pair of side plates 7, 8 are mounted at both the ends of the cylinder tube 2, and a long plateshaped slider cover 15 is provided between both the side plates 7, 8. At this time, suitable tension is applied in the longitudinal direction of the slider cover 15 by screwing in a bolt 24. It is thus possible to make it difficult to generate deflection in a laid slider cover 15.
Patent JP-S5399847-A (JP)
Title: Elastic surface wave device
Inventor: HAZAMA TAKESHI
IPC: H03H9/64
Filed: 1977-02-14
Abstract: PURPOSE:To improve the frequency accuracy of frequency f0 by adding the oddorder high frequency group at fundamental frequency f0/(2n+1) against frequency f0 corresponding to the center frequency containing elastic surface wave mainly and by obtaining the prescribed relation between the electrode width and frequency f0.
Patent JP-H10210134-A (JP)
Title: Portable telephone and its transmitting level controlling method
Inventor: INOUE JIRO
IPC: H04B1/3822
Filed: 1997-01-28
Abstract: PROBLEM TO BE SOLVED: To transfer an agreeable voice and to perform conversation on a more natural voice level on which a speaking way has intonation in a portable telephone which decides the level of an inputted voice signal and automatically adjusts the amplitude ratio of a transmitting amplifier. SOLUTION: When a transmitting level measurement request signal is received, a mean level calculating part 63 of a voice processing part 6 calculates a mean input level in a prescribedly fixed time in an inputted voice. A comparing part 84 of a controlling part 8 compares the mean input level that is received with a reference input level that is preliminarily stored. As a result of the comparison, an amplitude ratio deciding part 85 calculates an amplitude ratio that is applied to a transmitting amplifier 5 and controls an electronic variable resistor 52 of the amplifier 5 based on the calculated amplitude ratio.
Patent JP-S63181468-A (JP)
Title: Mis field-effect transistor
Inventor: KATO ICHIRO
IPC: H01L29/78
Filed: 1987-01-23
Abstract: PURPOSE:To prevent the change in the characteristics such as the reduction in a current drive force by a hot carrier phenomenon, the fluctuation in a threshold voltage, etc., and to obtain a highperformance and fine MISFET by a structure wherein a part of a gate insulating layer is constituted by an insulating layer composed of a different material. CONSTITUTION:On a p-Si substrate 1 where field SiO2 layers 2 have been formed, an SiN layer 3 150 Angstrom  thick as a first insulating layer and then an SiO2 layer 4' 4000 Angstrom  thick are grown in succession by a vapor growth method; these layers are patterned in such a way that the remaining length is shorter than the length of a gate. Then, an SiO2 layer 3' 150 Angstrom  thick as a second insulating layer is formed on the substrate by thermal oxidation; a poly Si layer is grown on the whole surface of the substrate by a CVD method; a poly Si sidewall 5 is formed by an anisotropic etching method which is predominant in the vertical direction. Accordingly, a part near a drain is composed of SiO2 instead of SiN; the injection amount of hot carrier is reduced; it is possible to obtain a MISFET whose characteristics hardly fluctuate and whose current drive force is big.
Patent JP-H07261516-A (JP)
Title: Electrophotography-process control method for adjusting photosensitive body voltage by photosensitive body segment
Inventor: JIYON EMU MATSUJI JIYUNIA
IPC: G03G15/00
Filed: 1995-01-31
Abstract: PURPOSE: To provide an electrophotographic treatment control method for dealing with the nonuniformity of a photosensitive object part inside equipment by regulating a photosensitive object voltage based on a photosensitive object segment. CONSTITUTION: Concerning an image processor having a corona unit 14 having a charging grid for charging a photosensitive object 12 to a voltage level, developer 20 for coating the photosensitive object 12 with a toner, sensor 22 for outputting a signal concerning the flow of electricity between the photosensitive object 12 and the developer 10 and corona controller 28 for controlling the corona unit 14 for charging the photosensitive object 12 corresponding to this signal, the method composed of steps for outputting the signal from the sensor 22 corresponding to the development of series of test patches at the photosensitive object 12, relating the signal from the sensor 22 with the prescribed test patches,  relating the respective test patches with the prescribed segments of the photosensitive object 12 and adjusting the charging grid to a prescribed voltage corresponding to signals from the test patches on the photosensitive object concerning the respective segments of the photosensitive object 12 is provided for adjusting the photosensitive object voltage level concerning the different photosensitive object segments.
Patent JP-S58132948-A (JP)
Title: Manufacture of semiconductor device
Inventor: SHIYOUNO KATSUFUSA
IPC: H01L21/762
Filed: 1982-02-01
Abstract: PURPOSE:To realize complete isolation between elements by a method wherein resistivity is heightened of a B phosphide layer grown epitaxially on an Si substrate. CONSTITUTION:A B phosphide layer 12 is epitaxially grown on an Si substrate 11, which is followed by the formation of an Si nitride film to cover the layer 12. Next, the entirety is subjected to a heat treatment that is effected in inert gas at temperatures not lower than 1,000 deg.C lasting not shorter than 2hr. In this process, excessive P ions in the B phosphide are driven into the Si substrate 11 for the formation of an N type diffused layer 13 on the Si substrate 11. In the B phosphide layer 12, the initial resistivity 10<-2>OMEGA/cm is now 10<6>OMEGA/cm or higher. Further, an Si layer is epitaxially grown and then removed except where active element regions are located.
Patent JP-H10275495-A (JP)
Title: Semiconductor device and method for controlling the same
Inventor: YAMAUCHI HIROYUKI
IPC: G11C29/04
Filed: 1998-01-27
Abstract: PROBLEM TO BE SOLVED: To reduce power consumption by cutting a leak current which is generated at an array part including plural circuit blocks and any one of plural circuit blocks at least. SOLUTION: A control part 16 reads leak current cut information, which is stored in a leak current cut information storage part 14, containing identification information for identifying a memory block 18a to be electrically insulated from a power source 90. Then, the control part 16 generates program information based on the identification information and outputs it to a leak current cutting part 12. The program information is written in a programmable logic element inside the leak current cutting part 12. The ON/OFF of switching element is controlled by the programmable element, and the leak current generated at the memory block 18a connected to the switching element is cut.
Patent JP-H09132408-A (JP)
Title: Method for collecting radioactive cesium using coal ash
Inventor: ZEN KANSHIYOKU
IPC: B01J20/20
Filed: 1996-01-30
Abstract: PROBLEM TO BE SOLVED: To provide a collecting method of a cesium generated at a calcining.solidifying stage of a radioactive waste by using a coal ash being a waste generated at a coal fired power plant.  
     SOLUTION: In the method of collecting a vapor phase cesium by using a collecting material, the collecting material in which the coal ash generated at a coal-fired power generating stage using an anthracite or a free-burning coal and the purified coal ash are formed to a perforated plate like catching material having 10-30 pieces of per unit length (cm), a honeycomb structure collecting material having 15-40 pieces of cells per 1cm 2  or a perforated spherical form and cylindrical form, etc., so as to suite the practical collection of the cesium is used to bring it into reaction with the vapor phase cesium at 700-1300°C to solidify a radioactive cesium in the form of cesium aluminosilicate excellent in heat stability. 
     COPYRIGHT: (C)1997,JPO