baber/WOPTO huggingface dataset:
Patent JP-H02110922-A (JP)
Title: Electrode formation of silicon carbide semiconductor element
Inventor: OTA KIYOSHI
IPC: H01L21/28
Filed: 1988-10-19
Abstract: PURPOSE:To form an electrode in n-type SiC capable of firm wire-bonding process by a method wherein an Au/Ni electrode film is laminated on an n-type silicon carbide to be heat-treated at high temperature and then an Au/Cr electrode film is laminated on the Au/Ni electrode to be heat-treated at low temperature. CONSTITUTION:In order to form an ohmic electrode on an n-type silicon carbide 1, an Au/Ni electrode 4 is laminated on the n-type silicon carbide 1 to be heat- treated at high temperature. Next, an Au/Cr electrode film 6 is laminated on the said heat treated Au/Ni electrode film 4 to be heat-treated at low temperature. For example, 5000Angstrom  thick Ni and 5000Angstrom  thick Au are deposited on the n-type SiC substrate 1 by vacuum evaporation to form the Au/Ni electrode film 4, which is then heat-treated at 1000 deg.C for around 5 minutes. Next, after surface-processing in HF, an Au/Si electrode film 5 is formed on p-type SiC layer 3 to be heat-treated at 950 deg.C. Finally, 500Angstrom  thick Cr and 5000Angstrom  thick Au are deposited on the Au/Ni electrode film 4 by vacuum evaporation to form the Au/Cr electrode film 6, which is then heat-treated at 500 deg.C for around 20 minutes.
Patent JP-2000100997-A (JP)
Title: Resin-sealed semiconductor device and resin sealing method thereof
Inventor: KAGEYAMA SHIGEMI
IPC: H01L23/31
Filed: 1998-09-17
Abstract: PROBLEM TO BE SOLVED: To protect a semiconductor chip and bonding wires against damage caused by concentration of stress induced by a linear expansion coefficient difference between the semiconductor chip, the bonding wire, and a resin layer that covers them in a resin-sealed semiconductor device where a package base of cavity structure with a two-stepped recess is used. SOLUTION: A first resin layer 14 which is comparatively low in linear expansion coefficient and surrounds a semiconductor chip 12 and a second resin layer 14 which is comparatively high in linear expansion coefficient and covers bonding wires 13 are laminated inside a stepped recess 11 for resin sealing.
Patent JP-S62124892-A (JP)
Inventor: KIMURA HIROFUMI
IPC: B25J15/10
Filed: 1985-11-22
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-H11103306-A (JP)
Title: Link pulse supply system to ethernet switching control lsi and ethernet switching hub
Inventor: NOZAKI ISAO
IPC: H04L12/40
Filed: 1997-09-29
Abstract: PROBLEM TO BE SOLVED: To ensure the stable operation of the hub by using at least 2 ports of the Ethernet switching control LSI through the insertion of a pseudo link pulse even when a link pulse signal is received only from one channel so as to prevent abnormity of the Ethernet switching control LSI. SOLUTION: In the case that a link pulse signal 1a is received from only an Ethernet(registered trademark) channel LNa, a link pulse detection section 2A detects it to enter a link pulse detection signal 3a to a link pulse transmission section 6A, then the link pulse transmission section 6A outputs a link pulse signal 1a from the channel LNa as a link pulse 7a. When the link pulse detection section 2A gives the link pulse detection signal 3a to a pseudo link pulse generating section 4A, the pseudo link pulse generating section 4A generates a pseudo link pulse signal 5b and gives it to a link pulse transmission section 6B and the link pulse transmission section 6B outputs a link pulse signal 1c from an Ethernet channel LNb as a link pulse 7b.
Patent JP-H08125465-A (JP)
Title: Adjustment method for power amplifier
Inventor: OSAWA OSAMU
IPC: H03F3/60
Filed: 1994-10-27
Abstract: PURPOSE: To reduce dispersion in an output power and an overall efficiency in a power amplifier in a portable telephone set. CONSTITUTION: A variable resistor 44 is provided to an external bias circuit 40 to provide a bias voltage to a gate of a FET 30 in a power amplifier in each portable telephone set. A resistance R44 of a variable resistor 44 is changed to adjust an idle current of the FET 30 in a power amplifier circuit in each telephone set so as to be uniformized. The output power and the overall efficiency in the power amplifier in each telephone set are uniformized through the adjustment and dispersion is reduced. Then problems of radiation power of the portable telephone set and reduction in a talking time or the like are solved.
Patent JP-H05117583-A (JP)
Title: Protective coating composition and use thereof
Inventor: KURAAKU EI HIGINBOOSAMU
IPC: C09D127/12
Filed: 1991-10-11
Abstract: PURPOSE: To provide a protective coating compsn. obtained by adding aliphatic polyisocyanate to a specific fundamental compsn. in a specific ratio, excellent in weatherability, moisture resistance and close adhesiveness and used by a spraying method.  
     CONSTITUTION: The objective compsn. is obtained by compounding a fundamental compsn. containing a mixture consisting of 25-50 wt.% of a fluorocarbon terpolymer (pref., hexafluoropropylene/tetrafluoroethylene/polyvinylidene fluoride) (i) and 50-75% of a hydroxy functional (meth)acrylic acid resin (pref., 1-4C alkyl-containing hydroxyalkyl (meth)acrylate) (ii) (A) and aliphatic polyisocyanate (B) in a wt. ratio of (8:1) to (5:1). 
     COPYRIGHT: (C)1993,JPO
Patent JP-H11102101-A (JP)
Title: Electrifier for image forming device
Inventor: KATADA KAZUNORI
IPC: G03G15/02
Filed: 1997-09-29
Abstract: PROBLEM TO BE SOLVED: To prevent the increase of assembly man-hours caused by the increase of the number of parts due to the incorporation of both of a discharge wire and a discharge needle with respect to an electrifier. SOLUTION: The holding member 20A corresponding to a device main body of the electrifier 20 is made of an electrical insulating material, both ends of the discharge wire 21 are directly restrained to make the wire 21 be in an extended state, between the end parts of the holding member 20A. On the other hand, the discharge needle 22 is directly attached to the outside surface of an integrally formed sidewall, to be supported. Further, it is constituted so that the respective power feeding parts I and II of the discharge wire 21 and the discharge needle 22 are installed in the end parts on the same side of the holding member 20A and the side facing a photoreceptor drum of the holding member 20a is covered with a partition integrated to the holding member.
Patent JP-H03170147-A (JP)
Title: Device for deactivating tooth and treating pulp canal thereof and method of sealing treated tooth
Inventor: FAVONIO OSVALDO
IPC: A61C5/02
Filed: 1990-10-03
Abstract: PURPOSE: To easily remove a dental pulp, a nerve, and a disease part from a treatment region despite of short sitting by setting the dental pulp cavity and the root canal of tooth to vacuum and continuously flowing treating liquid therethrough by air pressure so as to lead it into a container under vacuum. CONSTITUTION: A plug 21 seals a dental pulp cavity 19. A vacuum pump P makes a sealed container 10 into a vacuum state under the control of a pressure regulator Rp. A duct 22 selectively connects between the container 10 and the dental pulp cavity 19 via an electric valve 18. Air pressure containers 11 to 13 are filled with liquid for treating the dental pulp cavity 19 and the root canal of tooth 45 respectively. The duct 23 selectively connects between the respective containers 11 to 13 and the dental pulp cavity 19 via electric valves 14 to 16 and also selectively connects between the dental pulp cavity 19 and the air pressure via an electric valve 24.  At first, the dental pulp cavity 19 and the root canal of tooth 45 are set to vacuum, secondly, the treating liquid in the air pressure containers 11 to 13 is made to continuously flow through the dental pulp cavity 19 and the related root 45 by air pressure, and then it is led to the container 10 after controlled to vacuum.
Patent JP-H10112191-A (JP)
Title: Semiconductor device
Inventor: TAKEUCHI MIKI
IPC: H01L27/105
Filed: 1996-10-04
Abstract: PROBLEM TO BE SOLVED: To maintain the high speed property of flip-flop circuits at the time of a normal operation by separating ferroelectric capacitors for retaining nonvolatility with a switching circuit. SOLUTION: A cache memory array S-MA is constituted of a word line WSO or the like, a bit line pair BLi/BLi or the like and a cache memory cell matrix arranged at intersections of word lines and bit line parts. An amplifier part SA-B detects and amplifies information of cache memory cells to output them to output lines Doi. A ferroelectric substance memory array F-MA is constituted of a work line WFO or the like, a bit line pair BLi/BLi or the like and a ferroelectric substance cell matrix arranged at intersections of word lines and bit line pairs and is arranged at a side opposite to the amplifier part SA-B with respect to the cache memory array S-MA via a switching circuit SWF.  When the switching circuit SWF is turned on, the high speed property as a cache memory is not hindered by electrically separating the ferroelectric substance memory array F-MA from the cache memory array S-MA.
Patent JP-S62114887-A (JP)
Title: Tool holder
Inventor: ANTON NOIMAIAA
IPC: B25D17/08
Filed: 1986-11-07
Abstract: A tool chuck for securing a tool bit in a drilling and cutting device includes a guide tube into which the tool bit is inserted and an adjusting sleeve displaceable relative to the guide tube. The guide tube has spaced first and second apertures with the first apertures holding locking members and the second apertures holding entrainment strips. The adjusting sleeve has alternating first and second pockets in its inside surface for receiving the locking members and the entrainment strips. With a tool bit having slots for both the locking members and the entrainment strip, both the locking members and entrainment strips can be displaced radially inwardly by the adjusting sleeve. If the tool bit has only slots for the locking members, the locking action can be effected with the entrainment strips maintained radially outwardly from the tool bit.
Patent JP-S61141186-A (JP)
Title: Hybrid ic
Inventor: HAYASHI MITSUO
IPC: H01L27/15
Filed: 1984-12-13
Abstract: PURPOSE:To contrive the miniaturization of a hybrid IC and the reduction of the connecting manhour in the manufacturing process thereof by a method wherein a packaging is performed on the lead frame body structure, whereto the wiring substrate of the analog circuit is fixed, and the lead frame body structure, whereon the wiring substrate of the digital circuit is fixed, in close contact to each other in such a way that the respective optical coupling elements are optically coupled together. CONSTITUTION:A light-emitting diode 28, which is fixed to a land part 23 and is actuated by an analog signal from an insulating substrate sheet 22, and a photo transistor 29, which is fixed on a land part 27 and receives an optical signal from the light- emitting diode 28 and makes a binary signal input in an insulating substrate sheet 26, are provided in opposition and close contact to each other, both are optically coupled together by rings 30, which make both couple together and shield light from the other parts, and both lead frame body structures 20 and 24 are insulated with an outer-shell resin 31 and are borne. By this constitution, the miniaturization and weight-saving of the hybrid IC can be attained, and at the same time, the erroneous operation of A/D or D/A conversion, which is caused by intruding light from the outside, can be avoided.
Patent JP-H09107293-A (JP)
Title: Method and device for controlling code volume
Inventor: MURAYAMA YOICHI
IPC: H04N19/46
Filed: 1995-10-12
Abstract: PROBLEM TO BE SOLVED: To maintain the quality of reproduced image at all times by suppressing the fluctcution in the generated code volume. SOLUTION: A code volume calculator calualator 201 calculates the target code volume of a processing unit to be next encoded in accordance with the residual capacity of a buffer memory 106 and the actual generated code volume of each processing unit. A QP predictor 202 calculated and index value QP, by which the target code volume of the processing unit calculated by the code volume calculator 201 will be able to be obtained, in accordance with generated code volume characteristics of plural preliminarily prepared quantization tables. A table generator 203 generates a quantization table corresponding to the index value QP sent from the QP predictor 202. This generated quantization table is sent to a quantizar through a memory 24 and the QP predictor 202.  The quantizer uses the quantization table sent from the QP predictor 202 of code volume control part 107 to encode the next processing unit.
Patent JP-S63116859-A (JP)
Title: Dot driving method for printing head
Inventor: SHIGA MASAAKI
IPC: B41J2/30
Filed: 1986-11-06
Abstract: PURPOSE:To achieve the miniaturization and wt. reduction of a printer and to enhance printing quality, by a method wherein printing is performed in a region where the dots to be printed of a preceding dot line continue while dots are thinned every other dot and printing is performed in the same region of a succeeding line while dots are further thinned every other dot. CONSTITUTION:Data for printing are sent to a printing dot data grasping means 5 from a data processor 1 by a printing control apparatus 2 to grasp the continuous state of printing dots. This continuous state data is sent to a printing dot thinning means 6 and dots are thinned every other dot. The printing dot data thinned are sent to the corresponding printing heads 31-3n while the printing heads 31-3n corresponding to one dot line print predetermined dots on paper. Next, the continuous state data of dots to be printed relating to a dot line coming thereafter are sent to the printing dot thinning means in the same way as mentioned above and dots are thinned every other dot in a part where dots to be printed continue and the printing heads 31-3n perform printing.
Patent JP-H05110408-A (JP)
Title: Power switching device
Inventor: OMURA ICHIRO
IPC: H03K17/732
Filed: 1991-10-14
Abstract: PURPOSE:To prevent destruction of a conduction modulation type self turn-off element by controlling a gate current so that a gate current waveform is not crossing an anode current waveform while an anode current or the like is detected when the element is turned off. CONSTITUTION:A gate bias controller 3 devises that a gate current waveform at turn-off is not in crossing with a tail current waveform based on data obtained from an anode current detector 4, a gate current detector 5, a gate voltage detector 6 and an anode voltage detector 7 or the like. That is, the gate current controller 3 uses the result of detection of the detectors 4, 5 to compare a gate current with an anode current Io being a multiple of a prescribed ratio (k) and controls a gate bias power supply 2 so that the gate current is not less than kIo or below. Thus, the crossing of the gate current waveform with the tail current waveform is prevented and destruction of a GTO thyristor 1 is prevented.
Patent JP-H01109039-A (JP)
Title: Chuck unit for automatic screw tightener
Inventor: KAWABATA YOSHINORI
IPC: B23P19/06
Filed: 1987-10-19
Abstract: PURPOSE:To enable reliable tightening even of such screw as having remarkably short foot section when compared with head section without causing rotation at a nose opening by fitting a guide pawl having a, scooped section which has same diameter and inclination as the nose with respect to a screw being fed to a catcher. CONSTITUTION:When a screw 90 is fed from a screw feeder to a chuck unit 40, the screw 90 passes through a nose 42 and a scooped section 47 and fed to the tip of a guide pawl 46. At the same time, the guide pawl 46 is opened through compressed air and the screw 90 is held by catcher recesses 431b, 432b. Then a suction pipe 60 moves downward to suck the screw 90 held by a catcher 43 into a pipe 60 and fit the screw 90 to the tip of a driver bit 50. Since the bit 50 and the pipe 60 move downward simultaneously under this state, the guide pawl 46 is enlarged by the tip of the pipe 60 followed by enlargement of the catcher 43, thus projecting the pipe 60 containing the bit 50 and the screw 90 from the catcher 43. Then only the bit 50 is moved downward, and the screw 90 is tightened into a screw hole because the bit 50 is rotating.
Patent JP-S61142235-A (JP)
Title: Oil-pressure circuit for construction machine such as oil-pressure shovel
Inventor: KAWAMOTO MASAHARU
IPC: E02F9/22
Filed: 1984-12-17
Abstract: PURPOSE:To permit the combined use of an oil-pressure circuit for running and actuator operation by a method in which an actuator is operated during the running operation to switch a switch valve, and pressure oil from one of two sets of oil-pressure pumps is used exclusively for running and the other pressure oil is used for the operation of actuator. CONSTITUTION:An oil-pressure circuit consists of oil-pressure pumps 1 and 2, a pilot oil-pressure pump 10, a prime mover 3 to drive these pumps, and the first and second direction-switch valve groups 4 and 5. A switch valve 5e is provided in the upstream of a direction-switch valve 5b for right-side running motor, by which the supply of pressure oil by the pumps 1 and 2 is switched. When the other switch valve is switched as soon as the switch valves 4b and 5b are switched, the pressure of the pipeline 12 is raised, the valve 5e is switched to the position-B, and pressure oil of the pump 1 is supplied exclusively to the valves 4b and 5b for left and right-side running motors. The pressure oil of the pump 2 is supplied exclusively to switch valves 4c-4e for other actuators.
Patent JP-H04144354-A (JP)
Title: Presence/absence notice system in automatic reply terminal equipment
Inventor: SENBON KOSEI
IPC: H04N1/32
Filed: 1990-10-02
Abstract: PURPOSE:To attain efficient phone calling by devising the system such that a caller recognizes whether a called party is absent or present in house before the reply by the called party. CONSTITUTION:When a call comes from a caller terminal equipment 11, an automatic reply terminal equipment 13 built in an automatic answering telephone set replies a call automatically when ringing reaches a prescribed number of times or a prescribed time elapses from the arrival of the call. Number of times of detecting a ringer signal or its time from the arrival of a call till automatic reply in the presence mode differs from that in the automatic answering mode. Number of times of detecting a ring tone is set to be (n) in the presence mode and to be (m) in the automatic answering mode, and the relation of n<m is established. Moreover, the automatic reply based on the elapsed time after the arrival of a call is set to be s(second) in the presence mode and to be t(second) in the automatic answering mode, and the relation of s<t is established. Thus, a caller terminal discriminates it that a called terminal is absent before the called party replies.
Patent JP-H07117943-A (JP)
Title: Elevator control device
Inventor: TANABE NORIMICHI
IPC: B66B3/00
Filed: 1993-10-22
Abstract: PURPOSE:To automatically return the elevator operation control data after a system is shut down by storing the elevator operation control data in the operation control data memory sections provided in at least two or more controllers respectively. CONSTITUTION:The elevator operation control data are inputted and stored into the operation control data memory sections 1-3, 1-4 provided in at least two or more controllers 1-1, 1-2 via an input/output terminal 1-6. When one of the controllers, e.g. controller 1-1, becomes abnormal then the controller 1-1 is recovered from the abnormal state, the memory content of the memory section 1-3 of the controller 1-1 is replaced with the memory content of the operation control data memory section 1-4 of the other normal controller 1-2 by a memory data reproducing section CPU. When the failed controller is recovered from the abnormal state, the elevator operation control data immediately before an abnormality occurs can be automatically reproduced in the memory section of the controller recovered from the abnormal state.
Patent JP-H01111993-A (JP)
Title: Continuous hole boring machine
Inventor: MIKAMI YOSHIICHI
IPC: E21B19/08
Filed: 1987-10-20
Abstract: PURPOSE: To allow a plurality of juxtaposed rotary impact type rock drills to have their respective rods independently installed and removed by supporting the rock drills in such a manner that they can advance and recede independently on a carriage, and using a clamp and a rod rotating device. CONSTITUTION: Rock drills 1 juxtaposed on a carriage 3 capable of advancing and receding along a guide shell 2 are supported in such a way as to be capable of independently advancing and receding over the carriage 3. After drilling is achieved by an amount equal to one rod 8, a clamp 11 is made to grip a coupling 7 and the rock drills 1 are reversed backward to separate shank rods 6 individually from the coupling 7, with the carriage 3 receded from the rear end of the guide shell 2. Next, a connecting rod 8 is supplied and rotated by a rod rotating device 12 to drive its front end into the coupling 7, with the rock drills 1 rotated in the forward direction and advanced, and with the shank rods 6 connected thereto so as to advance the carriage 3 again.
Patent JP-H1185105-A (JP)
Title: Full color led display device
Inventor: KASHIWABARA YUTAKA
IPC: G09G3/32
Filed: 1997-09-10
Abstract: PROBLEM TO BE SOLVED: To provide a LED display device of full color in which higher picture quality is realized. SOLUTION: In the LED display device compressing inputted gradation data of three primary colors and emitting LED lamps of three primary colors based on gradation data after compression, the number of pixels for each color is set considering the difference of visibility for each color of three primary colors, all LED lamps are independently driven, while the gradation data is compression-processed by a space filter having different expanse corresponding to the difference of the number of pixels.
Patent JP-H06117999-A (JP)
Title: Chemiluminescence
Inventor: MIYAI JINKICHI
IPC: G01N21/76
Filed: 1992-10-02
Abstract: PURPOSE:To obtain a stable measuring accuracy, to improve a measuring accuracy and safety, to reduce its cost and to improve operability in a chemiluminescence analyzer for measuring concentration of nitrogen oxide by means of chemiluminescence. CONSTITUTION:An ozone generator 1 is connected to a source of luminescence 2. A sample line 3 for feeding sample gas is connected to the source 2, and a suction pump 4 for sucking sample gas to the source 2 is connected. A photodetector 5 is provided in the source 2. The generator 1 has a cathode chamber 11 and an anode chamber 12. An electrolytic unit 13 having a porous lead dioxide anode and a platinum cathode on both side surfaces of a solid polymer electrolyte film is provided between the chambers 11 and 12. Water is electrolyzed by the unit 13 to generate ozone.
Patent JP-S62124097-A (JP)
Title: Positioner for welding
Inventor: SHIRAI SHIGEHARU
IPC: B23K37/04
Filed: 1985-11-25
Abstract: PURPOSE:To perform all the welding with a fitting once by making the inner and outer welding of a work an easy flat welding by fixing the work to the fitting plate which is rotatable in annular shape with through hole and by making the fitting plate positionable vertically, adjustable in its inclination and reverse rotatable. CONSTITUTION:A work W is fitted by a fitting bolt 20 to the annular fitting plate F which is engaged with the holder 14 having a through hole C. The external face welding is performed by rotating the fitting plate F with a working mechanism G with the vertical positioning and inclination adjustment of the work W, by actuating a work arm B and working mechanism D by the operation of the linkage of cylinders 4, 11. The inner face welding is made possible through the through hole C by turning about 90 deg. the fitting plate F by working strongly the work mechanism D. The work efficiency is improved because of the inner and outer face welding of the work W becoming all easy flat welding with a once fitting.