baber/WOPTO huggingface dataset:
Patent JP-H05183128-A (JP)
Title: Semiconductor memory
Inventor: ONISHI HIROAKI
IPC: H01L27/11
Filed: 1991-12-27
Abstract: PURPOSE:To reduce the area with a limited number of elements and to increase operating margin with low power consumption by connecting an IN/OUT terminal for memory signal to the contact point of a constant current source and a negative differential resistance element through a switching element, thereby providing sufficient voltage for reading and writing at the contact point. CONSTITUTION:A negative transistor Q8 to operate as a constant current source and a negative differential diode D of a differential resistance element are connected, in series, between source voltage VDD and earth electrode GND. An IN/OUT terminal is connected to the contact point P of the transistor Q8 and the diode D through a transfer gate Q7 of a switching element. The IN/OUT terminal corresponds to bit line in the memory cell array mechanism. Sufficient voltage for reading and writing is provided at the contact point P through the transfer gate Q7. As a result, on SRAM cell can be obtained which has small area due to a limited number of elements, and large operating margin with low power consumption.
Patent JP-H05180479-A (JP)
Title: Feeding method for ductless air
Inventor: NAGASAWA YOSHIAKI
IPC: F24F13/08
Filed: 1991-12-27
Abstract: PURPOSE:To efficiently conduct feeding over a long distance by disposing a plurality of Coanda spiral flow generators for generating a negative pressure suction force and an axial concentrical flow by introducing compressed air in a predetermined space in such a manner that its air discharge port is opposed to a suction port, and directly feeding the air by supplying the compressed air. CONSTITUTION:A plurality of Coanda spiral flow generators 11-14 each for generating a negative pressure suction force and an axial concentrical flow by introducing compressed air are disposed in a predetermined space in such a manner that air discharge ports 1 are respectively opposed to suction ports 2, compressed air is supplied from a blower 15, an air flow 16 is formed without duct to be fed. The flow 16 is formed as a spiral flow. Thus, fresh air can be supplied and fed by the generators 11-14. Disturbance degree of the flow 16 by Coanda spiral flow as an axial concentrical flow is smaller than that of a turbulent flow, it can be extended as compared with prior art by the compressed air pressure and feeding air amount of the same pressure.
Patent JP-H11186771-A (JP)
Title: Circuit module and information processing device
Inventor: TANAKA MIKIHIRO
IPC: H01L23/427
Filed: 1997-12-17
Abstract: PROBLEM TO BE SOLVED: To improve heat dissipation efficiency by mounting a processor in the state of a bare chip, in a cavity part of a printed board, bonding one surface of the bare chip to one surface of a heat pipe, and installing a heat dissipation part on the end portion of the heat pipe. SOLUTION: A cavity part is formed in a circuit module 2 and a circuit module substrate 101. A processor in a state of a bare chip 20 is mounted in the cavity part. The bare chip 20 is electrically connected with the circuit module substrate 101 through bonding wires 104. Further, main components such as a cache submodule 40, a system controller 30 and a connector 90 for interface are mounted on the circuit module substrate 101. One surface of the bare chip 20 mounted on the circuit module substrate 101 is bonded to one surface of a heat pipe 103, and a heat dissipation part is installed on the end portion of the heat pipe 103. Thereby heat dissipation efficiency can be improved.
Patent JP-H10189667-A (JP)
Title: Semiconductor device and marking method thereof
Inventor: MATSUYAMA EIJI
IPC: H01L21/66
Filed: 1996-12-26
Abstract: PROBLEM TO BE SOLVED: To enable defective pellets to be surely recognized without error in an automatic mounting process in the manufacture of a semiconductor device which forms a color filter-on-chip CCD. SOLUTION: A pellet recognition mark 2, an on-chip color filter 3, and an inked point 4 are arranged on a semiconductor pellet 1, a characteristic evaluation of semiconductor pellets formed on a wafer is done in a process where a semiconductor device which forms a color CCD is manufactured, and an ink mark is printed on the pellet recognition mark 2 arranged on the edge of the surface of a defective pellet which does not meet a criterion. In a wafer dicing process, individual semiconductor pellets are separated into unit pellets, it is judged whether the semiconductor pellets are defective or not, only non- defective semiconductor pellets are selected, and non-defective semiconductor pellets are selected from defectives in a process, and they are mounted automatically on a package.
Patent JP-2001168498-A (JP)
Title: Plasma-cleaning method for circuit substrate
Inventor: KARIYA TAKASHI
IPC: H05H1/46
Filed: 1999-12-08
Abstract: PROBLEM TO BE SOLVED: To provide a plasma-cleaning device for effectively eliminating resin residue that remains in an opening being formed in a circuit substrate, without thermally damaging B-stage epoxy resin and a PET film with relatively low heat-resistance temperature which are contained in the circuit substrate to be desmeared. SOLUTION: A circuit substrate with an opening to be desmeared is placed on the second electrode of a plasma-cleaning device, the electrode is cooled, at the same time, a high-frequency current is applied between the first and second electrodes for forming plasma atmosphere in a chamber, the temperature of the plasma atmosphere including the inside of the opening and the second electrode is maintained at a lower temperature than the softening temperature of a resin adhesive and protection resin film applied to the resin insulation material of the circuit substrate, thus eliminating resin residues inside the opening.
Patent JP-H09165930-A (JP)
Title: Execution method of screen foundation in domy picture facility
Inventor: FUTAMI HIROSHI
IPC: H04N5/74
Filed: 1995-12-18
Abstract: PROBLEM TO BE SOLVED: To simplify a process, in which a screen foundation for stretching a screen on the internal surface of a dome is fixed onto a ceiling joist. SOLUTION: When a screen foundation 14 is executed, an adapter 1, from which a hook-shaped engaging section 2 capable of being engaged with a ceiling joist 11 is projected, is prepared on the surface of an adapter body in a shape holding the screen foundation, the adapter is externally inserted and fixed to the screen foundation, and the screen foundation is retained and fastened to the ceiling joist through the engaging section of the adapter.
Patent JP-H07192977-A (JP)
Title: Al-electrolytic-capacitor anode foil material with high strength
Inventor: GOTO HIROMI
IPC: H01G9/055
Filed: 1993-12-27
Abstract: PURPOSE:To obtain the Al-electrolytic-capacitor anode foil material whose purity is at a specific value or higher, which is constituted of high-purity Al whose content of Na contained as unavoidable impurities is at a specific amount or lower and whose strength is high. CONSTITUTION:An Al-electrolytic-capacitor anode foil material is provided with a purity of 99.98% or higher, it is constituted of high-purity Al whose content of Na contained as unavoidable impurities is at 0.01ppm or lower, and it is provided with high strength. Since the anode foil material is provided with the high strength, it can be hard-etched so as to make its thickness thin and to expand its surface area, it reduces the weight and the size of an Al electrolytic capacitor, and it is useful to enhance performance.
Patent JP-H04323989-A (JP)
Title: Encoding device for high definition television
Inventor: JIEEMUZU DEBITSUTO JIYONSUTON
IPC: H04N7/50
Filed: 1991-12-06
Abstract: PURPOSE: To obtain a digital transmission signal having a deterioration character istic similar to that of an analog signal by dividing a transmitted signal into a plurality of divisions and applying a different degrees of coding, depending on the importance of each division. CONSTITUTION: A signal to be transmitted is divided into a plurality of divisions, such as divisions A, B, C. The strongest error correction code is given to the division A, a 2nd medium strong error correction code is given to the division B, and a weakest error correction code is given to the division C. A receiver that receives a signal with a high S/N receives the divisions A, B, C for allowing a viewer to view a reproduced image with high resolution. The receiver in a limit transmission range cannot receive only the division A but ensures a lowest effective resolution, because the division A includes basic information such as audio and synchronization information.
Patent JP-H0526410-A (JP)
Title: Combustion in isolated region
Inventor: KOBAYASHI HISASHI
IPC: C03B5/235
Filed: 1991-12-06
Abstract: PURPOSE: To reduce the generation of NOx by separating an oxidizer-mixing region from a combustion reaction region in a combustion region for maintaining. CONSTITUTION: An oxidizer 2 is injected into a combustion region 1 containing a furnace gas atmosphere at a temperature exceeding 538 deg.C for generating an oxidizer mixture with an oxygen concentration of 10% or less, and the oxidizer mixture is allowed to flow out of an oxidizer-mixing region 4 and an additional furnace gas is brought into the combustion region 1. Then, a fuel 3 is injected into the combustion region 1, a furnace gas is mixed with the inflow fuel in the fuel reaction region 3, combustion with less generation of NOx is executed, and a fuel reaction mixture is generated.  Then, the fuel reaction mixture is allowed to flow out of the fuel reaction region 5 and an additional furnace gas is supplied to the combustion region 1 and is mixed fully in the combustion region so that the composition of the atmosphere at a point in the combustion region outside the oxidizer-mixing region 4 and the fuel reaction region 5 becomes essentially the same, and the oxidizer-mixing region 4 is separated from the fuel reaction region 5 in the combustion region 1 for maintaining.
Patent JP-H0725723-A (JP)
Title: Stone powder of ume, production thereof, cosmetic material and abrasive material utilizing the stone powder
Inventor: HATANAKA KENJI
IPC: A61K8/00
Filed: 1991-12-04
Abstract: PURPOSE:To effectively utilize a stone in UME (plum) subjected to disposal treatment by using powder prepared by pulverizing an endocarp contained in the stone in the UME within a wide range of a scrubbing cosmetic, a face washing cream, a dentifrice, massage powder, an abrasive material, etc. CONSTITUTION:A stone in UME is washed and then dried. The dried stone in the UME is then pulverized with a pulverizer, etc., and separated into an endocarp and an embryo. The endocarp is further pulverized to 10mum to 1mm size to afford stone powder of the UME. The stone powder of the UME having 150mum to 1mm size is added at 1-10% weight ratio and especially used as a scrubbing cosmetic (the touch is improved by removing a keratinous part or a fouled part of the skin). The stone powder of the UME having 10-80mum size at 5-10% weight ratio is added and used as a face washing cream and the stone powder of the UME having 10-80mum size at 1-10% weight ratio is added in the case of a dentifrice. The stone powder of the UME having 10-80mum size at 5-10% weight ratio is added in the case of massage powder. Furthermore, the stone powder of the UME having 80mum to 1mm size is used in the case of an abrasive material.
Patent JP-H06230168-A (JP)
Title: Plugging device for fluid duct
Inventor: ADORIAN PIITAA UIBATSUGU
IPC: G21C19/02
Filed: 1993-12-28
Abstract: PURPOSE: To provide a recirculative suction pipeline plug which can block simply and quickly the recirculative suction line in a nuclear reactor plant of boiling water type. CONSTITUTION: A recirculative suction pipeline plug of mechanically operating type for use in a boiling water type nuclear reactor (BWR) plant is formed from a pole device 4 to sink a pair of seals in a pool for fuel replacement. A plug adapter 18 is coupled with one end of the pole device 4 and mounted on a scissors jack assembly 10. The scissors jack assembly 10 is composed of at least one jack propeller shaft 15, at least one pair of nuts, a scissors arm in coupling between the nuts and seals 2, and another scissors arm in coupling between the nuts and a load pad. The pole 4 and plug adapter 18 have a center shaft assembly which is coupled with the jack propeller shaft 15 and transmits the rotational motions from the top of the pole 4 to the jack propeller shaft 15. The plug is opened by rotating the center shaft assembly and the re-circulation pipeline can be closed tightly.
Patent JP-2000169500-A (JP)
Title: Peptide fragment of winter hardiness-related protein cwpm 23 of winter wheat
Inventor: IBA ATSUSHI
IPC: C07K7/08
Filed: 1998-12-09
Abstract: PROBLEM TO BE SOLVED: To identify a cell membrane protein capable of contributing a freezing resistance expression of a plane, an animal and a microorganism enhanced in freezing resistance in order to produce by a genetic engineering. SOLUTION: This protein is derived from a protein CWPM 23 relating to the freezing resistance of winter wheat, and a peptide fragment comprising sequences Ile-Gly-Val-Ala-Ala-Glu, or Ile-Leu-Leu-Lys-Leu, or Leu-Lys-Va1-Lys- Phe-Tyr-Val-Pro-Pro-Phe-Leu-Pro-Ile-Ile-Pro-Val-Val-Gly.
Patent JP-H11179590-A (JP)
Title: Flux-cored wire for gas shield arc welding
Inventor: KAMATA MASAO
IPC: B23K35/368
Filed: 1997-12-18
Abstract: PROBLEM TO BE SOLVED: To provide a flux-cored wire extremely reduced in the segregation of components and the non-uniformly of wall thickness at an outer shell part, and capable of obtaining the excellent welding performance by a highly efficient and continuous manufacturing method to achieve the seam welding of a seam of steel strips. SOLUTION: This flux-cored wire for gas shield arc welding has the composition consisting of, by weight, 0.30-1.20% C, 5-12% Si, 19-4% Mn, <=30% Ni, and the balance Fe, satisfies the inequalities of Si>=11.89-2.92C-0.077Mn-0.062Ni and Si<=8.3C+0.14(Mn+Ni), contains 1-10% iron-based Si-Mn-Ni alloy powder of <=212 μm in grain size in the flux, and the flux consisting of the raw powder of <=1.10 in specific magnetic permeability (μ) is charged in a steel shell.
Patent JP-H10210510-A (JP)
Title: Communication equipment support for high speed data service
Inventor: NYE ROBERT ALAN
IPC: H04M11/06
Filed: 1997-12-19
Abstract: PROBLEM TO BE SOLVED: To reduce a space and wiring of a terminator of a central station for the high speed data service by providing a channel support circuit that separates two-way communication of a subscriber loop into input and output communication of separate channels to a termination interface of the central station so as to eliminate the need for a duplex filter. SOLUTION: A channel support circuit 62 of an access interface unit 50 separates a communication signal of a subscriber channel 42 into a transmission signal and a reception signal so as to act like a simplex-duplex communication interface. The reception signal is divided by a signal diver 68, the divided signals are fed to a high speed data XDSL receiver 78 and a CODEC 80 through high and low pass filters 74, 76 respectively and converted into an asynchronous mode ATM signal and a PCM digital signal, which are sent to a central station. On the other hand, information from the central station are converted into an analog signal by a CODEC 82 and an XDSL transmitter 84, they are combined in a coupler 86 and sent to a subscriber line from a line port circuit 62 via a main distribution frame MDF 52.
Patent JP-H10194895-A (JP)
Title: Production of ilmenite type oxide thin film
Inventor: FUJII AKIYUKI
IPC: H01B3/12
Filed: 1996-12-27
Abstract: PROBLEM TO BE SOLVED: To efficiently produce an ilmenite type oxide thin film by supplying a gaseous raw material consisting of vapor of a compound contg. lithium and vapor of another compound contg. niobium or tantalum, a carrier gas and a gaseous reactant to the surface of a substrate and generating a plasma on the surface of the substrate. SOLUTION: In this production, an oxide thin film having an illuminate type crystal structure is formed on the surface of a substrate 3 that is held on a substrate holder 4 placed in a reaction chamber, by supplying a gaseous raw material consisting of vapor of a compound contg. lithium and vapor of another compound contg. niobium or tantalum, a carrier gas and a gaseous reactant to the substrate 3 through a discharge nozzle of a gaseous raw material supply means 8 and generating a plasma on the substrate 3 to decompose the gaseous raw material and to allow the gaseous reactant to react with the decomposed raw material. The inclined angle of the gaseous raw material discharge nozzle from the surface of the substrate 3 is preferably 5 to 60 deg..  Also, a method that comprises repeatedly performing formation and annealing of the oxide thin film while rotating the substrate 3, is preferred.
Patent JP-2000183348-A (JP)
Title: Mos gate power device
Inventor: FRISINA FERRUCCIO
IPC: H01L29/06
Filed: 1999-12-09
Abstract: PROBLEM TO BE SOLVED: To provide a MOS gate power device with low output resistance. SOLUTION: A MOS gate power device is provided with plural element function units. The element function units are provided with first conductivity- type main body regions 3 formed in second conductivity-type semiconductor material layers 2, 21, 22 and 23. Plural first conductivity-type impurity addition regions 20, 201 and 202 are formed in the semiconductor material layers 2, 21, 22 and 23, and the impurity addition regions 20, 201 and 202 are arranged below the respective main body regions 3 and are detached from the adjacent impurity addition regions by the semiconductor material layers 2, 21, 22 and 23.
Patent JP-2001162108-A (JP)
Title: Method for manufacturing iron-aluminum combined flocculant
Inventor: AKAO TAKAO
IPC: B01D21/01
Filed: 1999-12-09
Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing an iron-aluminum combined flocculant strong in flocculating action and high in concentration and preservation stability at a low cost. SOLUTION: An iron-aluminum combined body, which is contained in the iron-aluminum combined flocculant and has 3 or lower iron/aluminum ratio in terms of Fe2O3/Al2O3, is manufactured by the first step to precipitate iron- aluminum multiple hydroxide or aluminum hydroxide by reacting an aqueous solution of iron salt and/or aluminum salt with an aqueous solution of aluminate of an alkali metal at 20 deg.C or lower and the second step to dissolve the iron- aluminum multiple hydroxide by acidifying the reaction system by adding an acidic material and heating the system. The aqueous solution of iron salt and/or aluminum salt is used as the acidic material.
Patent JP-H07203204-A (JP)
Title: Method and device for generating dot
Inventor: FURUSAWA KATSUHIKO
IPC: G06T5/00
Filed: 1993-12-28
Abstract: PURPOSE:To attain high speed half-tone dot meshing by other means than a means increasing a clock frequency or a read speed of a screen pattern memory. CONSTITUTION:A 2X2 dot SPD matrix is extracted from a 8X8 dot SPD matrix in a dot area. In this extraction, 2x2 screen pattern daa Mij in a dot threshold level matrix are extracted as an initial value of the 2X2 SPD matrix. Furthermore, each extracted SPD matrix is formed by selecting columns at an interval of one periodically and cyclicly in the subscanning direction from the dot SPD matrix and extracting data elements of each of the selected columns at an interval of one periodically and cyclicly in the main scanning direction from the dot SPD matrix. Each of the 2X2 dot SPD matrix is stored respectively in a memory of a 2X2 dot generator and the 2X2 dot generator executes half- tone dot meshing in parallel processing.
Patent JP-H05166780-A (JP)
Title: Cleaning equipment
Inventor: INAGAKI YASUSHI
IPC: H01L21/304
Filed: 1991-12-11
Abstract: PURPOSE:To make it possible to clean in stable condition without reducing cleaning power and excessively consuming chemicals by replenishing hydrogen peroxide water when concentration of hydrogen peroxide of cleaning mixed liquid containing sulfuric acid and hydrogen peroxide lowers, and by changing mixed liquid when concentration of sulfuric acid reduces. CONSTITUTION:When a cleaning equipment starts operation, hydrogen peroxide water is poured into a liquid vessel 1 by opening a valve 3. In addition, sulfuric acid is dropped down by opening a valve 2. When the liquid surface gets to the specific value the valves 3 and 2 are closed. Then, it is conformed that the concentration of sulfuric acid is more than the specific value(a), and the concentration of hydrogen peroxide is more than specific value (b). When the concentration of hydrogen peroxide is lower than the reference value (e) according to the repeated cleaning and the time lapse, the prescribed amount of hydrogen peroxide water is replenished by opening the valve 3. When the concentration is reduced, mixed liquid is discharged by opening a valve 12. As a result, cleaning of a wafer can be carried out in stable condition without shortage of cleaning power and the necessity of frequent replenishment of hydrogen peroxide water or changing the mixed liquid.
Patent JP-H09182429-A (JP)
Title: Resonance type forward converter
Inventor: TAGUCHI TAKAYUKI
IPC: H02M3/335
Filed: 1995-12-25
Abstract: PROBLEM TO BE SOLVED: To realize the zero-voltage switching element without excessively enlarging the voltage/current in switching by connecting the series circuit of a diode having the carrier-life time equal to or higher than a switching period and a voltage clamping capacitor to a switching element in parallel. SOLUTION: A diode 13 has the carrier-life time equal to or more than the switching period of a switching element 3. A control circuit 12 imparts the control signal to the switching element 3 after the reverse conduction of the diode 13 is finished or the voltage of the switching element 3 becomes zero volt, further detects the DC output voltage, current or power between DC output terminals 10 and 10' and imparts the control signal for setting these values at the specified values to the switching element 3. The control signal imparts any of on-time control, off-time control, turn-on-time control or current- made control wherein main current value is present, or their combinational control.
Patent JP-2000175300-A (JP)
Title: Low frequency sound emphasis circuit
Inventor: ODA MIKIO
IPC: H04S1/00
Filed: 1998-12-10
Abstract: PROBLEM TO BE SOLVED: To attain brisk emphasis of a low frequency sound in reproducing sound and to attain a high efficiency of a power amplifier. SOLUTION: A low frequency sound rising detection control circuit 2 is provided with a series circuit consisting of an LPF 1 that extracts a low frequency sound from a received sound signal, an amplifier 3, a rectifier circuit 4 conduct level rectification, a 1st differentiation circuit 5 that detects a rising, and an integration circuit 6 that equipment a pulse width, with a 2nd differentiation circuit 7, at a post-stage of the amplifier 3, an inverter 8 inverting an output of the integration circuit 6 and an AND circuit 9 ANDing an output of the inverter 8 and an output of the differentiation circuit 7, which are placed in parallel with the series circuit, and with an SR flip-flop 10 that is set by the output of the integration circuit 6 and reset by the output of the AND circuit 9.  The low frequency sound component of the received sound signal is emphasized through a volume control amplifier 11 that adjusts a level of an output of the LPF 1 only when a pulse width obtained by the SR flip-flop circuit 10 is in existence and the emphasized component is added to the received sound signal to emphasize the low frequency sound.