baber/WOPTO huggingface dataset:
Patent JP-S62250674-A (JP)
Title: Manufactire of semiconductor device
Inventor: ISHIUCHI HIROAKI
IPC: H01L29/80
Filed: 1986-04-23
Abstract: PURPOSE:To obtain a semiconductor device having a small gate length and a small gate resistance by a method wherein an insulating film is spread on a semiconductor substrate, photoresists of two layers are connected further thereon, an opening is made in the insulating film by dry etching, the photoresist fo the upper layer is removed by an 02 asher, and a gete metal is connected on the whole surface. CONSTITUTION:A silicon exide film 2 is formed on a GaAs substrate 1 by a CVD method. Next, a modified layer 4 is formed on the surface of a photoresist, and a positive-type photoresist 5 is formed thereon by a spin-coating method. Thereafter a region 6 wherein a gate is to be formed is exposed, the photoresist 5 of the upper layer is developed, and the modified layer 4 of the surface is removed by oxygen plasma. Moreover, after a photoresist 3 of the lower layer is developed, an opening is perforated in the silicon oxide film 2 by etching so as to expose the GaAs surface 1, the upper-layer resist 5 is removed by oxygen plasma, and then aluminum 7 is connected as a gate metal on the whole surface by a vacuum evaporation method. GaAs FET having a gate formed has sufficiently small gate length and obtains an excellent RF characteristic.
Patent JP-2000292907-A (JP)
Title: Exposure device for charged particle beam, and reticle
Inventor: KAWAMURA YUKISATO
IPC: G03F1/20
Filed: 1999-04-02
Abstract: PROBLEM TO BE SOLVED: To provide a charged particle beam exposure device and a reticle in which circuit marks near alignment marks are not deformed. SOLUTION: This reticle has a pattern region to be exposed to charged particle beams in a region including scribe lines of wafers. The pattern region has a circuit subfield where circuit patterns 16 are formed and an alignment subfield 17 where alignment patterns are to be formed, and the alignment subfield is formed in the position adjacent to the circuit subfield.
Patent JP-H02275224-A (JP)
Title: Hot water space heater
Inventor: SHIRE TAKASHI
IPC: F24D3/10
Filed: 1989-04-14
Abstract: PURPOSE:To prevent the freezing during the winter season by measuring the time interval from the closure of the water filler valve to the opening of the same valve and prohibiting this water filler valve from being opened regardless of the water level data if the time interval is within a predetermined range so that the expansion tank may not be replenished frequently with water to such an extent that the anti- freeze liquid concentration becomes too low. CONSTITUTION:The water dispensing time limit means 11 to which the water level data outputted from the water level signal input means 9 are inputted measures the time interval from the moment when the water level in the expansion tank 1 becomes high enough to turn on the high water level sensor 6 to the moment when the water level drops to turn off the intermediate water level sensor 7, whereupon the operation control means 10 causes the water filler valve 5 to be opened. If such a time interval is within a predetermined range, i.e. a time interval, for instance, for the water level to drop from the high water level to the intermediate water level due to the natural evaporation, the water filler valve closing signal is outputted to the operation control means 10. The operation control means 10 which received the water filler valve closure signal causes the water filler valve 5 to be held in the closed position regardless of the water level data in spite of the fact that the intermediate water level sensor 7 is turned off.
Patent JP-H11297869-A (JP)
Title: Power semiconductor device
Inventor: HASEGAWA TAKETOSHI
IPC: H01L23/04
Filed: 1998-04-08
Abstract: PROBLEM TO BE SOLVED: To provide a power semiconductor device which is high in long-term reliability and restrained from deteriorating in withstand voltage performance particularly after it is subjected to a heat cycle test by a method wherein an insulating substrate is enhanced in withstand voltage characteristics. SOLUTION: A coating film 4 is made to contain inorganic particles so as to be lessened in thermal expansion coefficient, whereby the coating film 4 is lessened from varying in volume in a heat cycle. At the same time the relative dielectric constant of the coating films4 is set close to that of an insulating board 1, or silicon carbide which shows non-linear resistance is used as the inorganic particles so as to relax an electric field around an electrode. By this setup, a power semiconductor device excellent in withstand voltage characteristics can be provided.
Patent JP-H06310236-A (JP)
Title: Multi-lamp bulb socket
Inventor: MINO NOBORU
IPC: F21V19/00
Filed: 1993-04-22
Abstract: PURPOSE:To make illuminance or color rendering property easily changeable according to the purpose of use by providing a reflecting plate on a multi-lamp bulb socket. CONSTITUTION:A plurality of sockets 3 are provided on a reflecting plate 2 formed by mirror-finishing the upper surface of an upper base 1a, and a plurality of socket 3 are also provided on a reflecting plate 5 formed by mirror- finishing the surface of a lower base 1b having a base 4 mounted thereon. The bases 1a, 1b are integrally connected and fixed together in the state where these sockets 3 are electrically connected to the base 4 in parallel or in series. Bulbs different in illuminance, color rendering property or directionality are prepared, and used in combination, whereby various illuminations can be easily provided. Further, the illumination can be clearly changed to the front and the rear by the reflecting plates to increase the stage effect of the illumination.
Patent JP-S5219955-A (JP)
Title: Gate turn-off thyristor protector
Inventor: SHIMAMURA TAKEO
IPC: H03K17/73
Filed: 1975-08-08
Abstract: PURPOSE: To check the voltage across gate and cathode to detect GTO's operation, thus achieving its protection when using GTO in current control unit. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H08274228-A (JP)
Title: Semiconductor mounting board, power semiconductor device and electronic circuit device
Inventor: AKIYAMA YUJI
IPC: H01L23/12
Filed: 1995-03-29
Abstract: PURPOSE: To reduce the maximum value of mechanical stress applied to an electric insulating board or a power semiconductor element, by dispersing mechanical stress due to a metal layer and a solder layer which are formed on the electric insulating board. CONSTITUTION: This semiconductor mounting board consists of an electric insulating board 11 and a metal layer which are different in coefficient of thermal expansion. The metal layer is divided into a plurality of sections. One side electrode of a power semiconductor element is soldered to the divided metal layer 2, by solder layers 2A, 2B which are divided into a plurality of sections. Hence, this semiconductor mounting board, power semiconductor element and electronic circuit device are constituted.
Patent JP-H06304438-A (JP)
Title: Ozone deodorizing device
Inventor: NAKATANI YASUHIRO
IPC: C01B13/10
Filed: 1993-04-22
Abstract: PURPOSE:To provide an ozone deodorizing device which has a high deodorizing efficiency and a long life ozone decomposition filter by dispersing an ozone generated concentrically in an ozone generation chamber uniformly in a flow path using an ozone guide tube. CONSTITUTION:This ozone deodorizing device OZ consists of an independently partitioned ozone generation chamber 5, an ozone guide tube 6, an ozone decomposition filter 4 and an air blower 2. Ozone generated concentrically at one spot is conducted to the ozone guide tube 6 and then is uniformly dispersed into a flow path 21, passing through ozone outflow holes 6a scattered evenly on the cross section of the flow path 21. In addition, the ozone generation chamber 5 is partitioned by an outer frame 51 including an electromagnetic wave shielding member, so that a radiation of electromagnetic wave is prevented from leaking to an outer area.
Patent JP-S58215227-A (JP)
Title: Bending method of aluminum foil
Inventor: MINAMIHAMA ETSUROU
IPC: B21D19/04
Filed: 1982-06-07
Abstract: PURPOSE:To bend aluminium foil keeping the width of bending constant without breaking the foil by irradiating laser beams to one side of the aluminum foil to form grooves, and bending the aluminium foil along these grooves. CONSTITUTION:When a taking up spindle 4 is rotated, aluminium foil is let out from a material spindle 1. After passing a guide roller 5, grooves 9a, 9b are formed continuously at edge bending positions on both sides by laser beams irradiated continuously from laser beam nozzles 7a, 7b. When the foil passes bending guides 8a, 8b, the edges on both sides are bent 180 deg. along the grooves 9a, 9b. Further, as tension is applied to the aluminium foil when it passes a guide roller 6, the state of bending becomes surer, and thus bending work is completed.
Patent JP-H11290796-A (JP)
Title: Rod washer and rod washing sorter
Inventor: SAKANE TETSUO
IPC: B08B3/04
Filed: 1998-04-08
Abstract: PROBLEM TO BE SOLVED: To enable automatically washing used rods housed in a washing basket clean. SOLUTION: By oscillating a washing basket right and left, rods R in the washing basket 23 are dispersed evenly near the surface of the water, and in this state, warm water is jetted from a shower nozzle 63. In this way, the warm water jetted from the shower nozzle 63 is directly sprayed on the rods R dispersed near the surface of the water by the oscillation of the washing basket 23 to wash out perm liquid or the like stuck on the used rods R.
Patent JP-H07302031-A (JP)
Title: Developing device, process cartridge and image forming device
Inventor: YOKOMORI KANJI
IPC: G03G15/00
Filed: 1994-05-10
Abstract: PURPOSE:To easily separate a toner container and a developing frame body and to reuse them as a housing by attachably/detachably fitting the toner con tainer to the developing frame body with a fitting means. CONSTITUTION:The restraining projection lid of the toner container 11 is fitted into the restraining hole part 12d of the developing frame body 12 to be engaged with it, when a mutual flange part is joined, a positioning boss 11c is fitted into a through hole 12c to be positioned. A screw 18 is screwed on a tapped hole provided on the positioning boss 11c in this state, to fit the toner container 11 to the frae body 12. After the housing of a developing means 9 is constituted by the fitting in this manner, the toner is filled from a toner filling hole provided on the side surface of the toner container 11 and the filling hole is blocked with a cap. Further, a developing member such as a developing roller 9b is attached to the frame body 12 and a cleaning frame body 13 to which a photoreceptor drum 7, an electrifying roller 8, further, a cleaning blade 10a, etc., are attached us fitted to the frame body 12 to assemble a process cartridge.
Patent JP-H04326524-A (JP)
Title: Semiconductor device
Inventor: KUROSAWA SUSUMU
IPC: H01L21/265
Filed: 1991-04-26
Abstract: PURPOSE:To obtain an LDD structure MOSFET which is excellent in hot carrier resistance and has small parasitic capacitance. CONSTITUTION:A first gate electrode 6a is formed on a channel region via a first gate oxide film 2a. A second gate electrode 7 is formed on a low concentration N-type layer (LDD layer) 9 via a second gate oxide film 3. The thickness of the second gate oxide film 3 is set to be larger than that of the first gate oxide film 2a.
Patent JP-H11295386-A (JP)
Title: Semiconductor integrated circuit device and its test method
Inventor: HIOKI SHUJI
IPC: G01R31/28
Filed: 1998-04-08
Abstract: PROBLEM TO BE SOLVED: To reduce power consumption, by providing the function of reducing the resistance of a power source at the time of test, reducing the resistance of the power source, and performing test at higher speed than specified. SOLUTION: An overall semiconductor integrated circuit 1 is provided with a plus power source 2, a resistor 3 on a power source line for reducing power consumption, a low-resistance analog switch 4 for reducing the resistance of the power source, the block 5 of overall internal circuits, pad groups 7 and 8 for inputting and outputting a signal 6 for test for operating the analog switch 4, and a minus power source 9. In the case of testing this circuit, a signal 6 for test is brought in a 1 state to reduce the resistance of the power source. Then, a test pattern for test is impressed at a faster frequency than at the time of normal use from the inputting pad group 7 to observe output from the outputting pad group 8.  As the circuit is constituted so that a signal 6 for test may not in the 1 state at the time of normal use, the power source has resistance at the time of normal use, and low power consumption is achieved.
Patent JP-H11244413-A (JP)
Title: Health acceleration instrument
Inventor: WATANABE TAKASHI
IPC: A63B21/055
Filed: 1998-03-05
Abstract: PROBLEM TO BE SOLVED: To provide a health acceleration instrument capable of being widely used by adults and children, correcting the distortion of a body, improving quickness and reflective nerves and keeping an ideal health state even from the aspects of internal organs and mentality by uniformly strengthening the muscles of the entire body. SOLUTION: This instrument is constituted of a case body 10 formed by an upper lid 11 and a lower lid 12, a drum incorporated inside the case body 10 for which a spring is mounted inside and a rope 22 is wound around, a handle part 30 installed at one end of the rope 22, a first roller part and a second roller part for sliding the rope 22 and an adjustment mechanism installed to a center shaft for changing the winding force of the spring.
Patent JP-H04326324-A (JP)
Title: Liquid crystal display material and liquid crystal display element using it
Inventor: NISHIOKA YOICHI
IPC: G02F1/136
Filed: 1991-04-26
Abstract: PURPOSE:To offer a liquid crystal display material which requires no polarizer, and to offer a liquid crystal display device using it without requiring a back light. CONSTITUTION:A liquid crystal 4a dispersed in a mesh structure of styrene- butadiene copolymer 4b is radomly present along the mesh interfaces when no voltage is applied. In this state, light which enters the material is scattered and the liquid crystal becomes opaque state. When voltage is applied, the major axis of liquid crystal 4a is oriented along the electric field, and the liquid crystal transmits light to become transparent. By using this material to constitute a liquid crystal display device, no polarizer is required, which gives light and clear picture images without a back light.
Patent JP-H05293687-A (JP)
Title: Flux cored wire for gas shield arc welding
Inventor: MAKI SHIGEMI
IPC: B23K35/02
Filed: 1992-04-16
Abstract: PURPOSE:To provide the gas shield arc welding flux cored wire that the using characteristic of the wire feeding property, etc., is excellent, and together the weld metal of high quality without projecting the un-molten flux, with the excellent arc stability and hardly generating the welding defect of blow hole, etc., is obtained. CONSTITUTION:In a seamless flux cored wire composed by inserting an inner tube composed of a complicated cross-section area flux cored wire to an outer tube formed to the tube state of a steel strip, and drawing after welding the seam of the outer tube, the particle size composition of the flux filled in the inner tube is made so that the particle of the particle diameter >=149mum is <=10%, and the ratio (t1/t2) of the thickness t1 of the outer tube part and the thickness t2 of the inner tube part is made to 4<=t1/t2<=12.
Patent JP-H03295876-A (JP)
Title: Method for working surface of pottery
Inventor: KAWACHI TOSHINORI
IPC: C04B41/91
Filed: 1990-04-12
Abstract: PURPOSE:To accommodate old pottery to the present age and to render the soft warmth of earth as well as to emphasize the oldness or to render natural appearance to new pottery by removing the glazed surface of the pottery, coating the pottery with a water repellent and firing the coated surface. CONSTITUTION:The glazed surface of glazed pottery is freed of the glaze with a sandblast or under water pressure and the pottery is washed with clean water and dried with hot air at 100-120 deg.C for about 2hr in a drying chamber. A water repellent is uniformly sprayed on the surface of the hot pottery and fired at about 1,000 deg.C with a gas burner to form a water repellent coating film. The water repellent may be a soln. prepd. by diluting 10% liq. fluorine-acrylate copolymer with 90% water or a soln. prepd. by diluting 2% liq. hydrogen polysiloxane with 98% water.
Patent JP-S60240274-A (JP)
Title: Busy state detecting system of addressed station
Inventor: MATSUNAGA SHIGEO
IPC: H04N1/32
Filed: 1984-05-15
Abstract: PURPOSE:To reduce the automatic call time especially to a near station by providing a means detecting immediately the busy state of an opposite station independently of the distance between a transmission and a reception station. CONSTITUTION:A control section 21 detecting a pulse signal P from a detection circuit 15 generates a control signal K so as to change over a switch section 12 to the position of contact S, a start signal L is generated so as to start a timer 22. When a set time H is elapsed, the timer 22 transmits an output signal M to a transmission section 9. Thus, a signal generating section 11 transmits again (recalling of addressed station) of a dial signal D corresponding to a number data C in a register 10. Thus, when the addressed station is busy, the 1st call mode is cut off immediately and the mode is transferred to the recalling mode by allowing a sender station to detect the busy signal informing the busy state in this way.
Patent JP-H03295397-A (JP)
Title: Multiplex transmission method for automobile
Inventor: KOBAYASHI NOBUYUKI
IPC: B60R16/02
Filed: 1990-04-12
Abstract: PURPOSE:To simplify the configuration of a multiplex transmission system and to reduce cost by transmitting a transmission signal without the need of high speed between multiplex transmission terminals for respective doors through a part of low speed bus lines, relay terminals and a high speed bus line. CONSTITUTION:Protocol conversion functions between low speed transmission and high speed transmission are provided for terminals nearest to respective doors 2 among terminals provided in a vehicle and they are set to be the relay terminals 5, and they are respectively connected to the terminals for door 6 provided for respective doors 2, which correspond to respective relay terminals 5, by the low speed bus lines 7. Namely, the transmission signal is transmitted without the need of high speed between the multiplex transmission terminals 6 for respective doors 2 through a part of the low speed bus lines 7, the relay terminals 5 and the high speed bus line 4. Thus, the terminals whose speed is low, communication capacity is simple and configuration is inexpensive can be used as the multiplex transmission terminals 6 for respective doors 2.
Patent JP-H11295152-A (JP)
Title: Wave surface sensor
Inventor: SUZUKI JIRO
IPC: G02F1/13
Filed: 1998-04-09
Abstract: PROBLEM TO BE SOLVED: To widen a dynamic range to measure inclination of a large wave surface in a wave front sensor, and to measure inclination of a small wave surface with high precision. SOLUTION: In constitution for measuring a phase distribution of a disturbed wave surface using a microlens array 4 and a two-dimensional detector 5, this sensor is provided with a variable magnification lens 3 for varying an equivalent magnification or an equivalent focal length, and a magnification control device 101 for controlling a magnification of the lens 3 based on a detected result by the detector 5.
Patent JP-H10288169-A (JP)
Title: Plate interposing method in scroll compressor
Inventor: NAKAZAWA KENJI
IPC: F04C29/00
Filed: 1997-04-15
Abstract: PROBLEM TO BE SOLVED: To reduce the number of assembling process, change only a plate and prevent abnormal sound and abrasion by pressing pins of a specified number which are projected to the rear surface of a front housing or the front surface of a movable side plate in short width parts of slots of a specified number which are passed through the plate and extend in the orthogonally crossing direction with each other. SOLUTION: Two slots 30a, 30b which are located by holding a shaft center by the slots 30a, 30b each other are passed through a ring-shaped plate 30. The slot 30a extends in the shaft center direction and the slot 30b extends in the direction which is orthogonally crossed with the long hole 30a. Two pins 1a, 1b which are solid and have complete round in cross section are pressed in the rear surface of a front housing 1 by being axially projected to a location where the shaft center is held by the pins 1a, 1b each other. By pressing the pins 1a, 1b of the front housing 1 in the short width parts of the slots 30a, 30b of the plate 30, the plate 30 is fixed to the front housing 1. Pitch tolerance between the pins 1a, 1b is absorbed by the slot 30a and inclination tolerance of the pins 1a, 1b is absorbed by the slot 30b.
Patent JP-S5621075-A (JP)
Title: Testing method for continuity of wire
Inventor: AZEGAMI KAZUO
IPC: G01R31/02
Filed: 1979-07-30
Abstract: PURPOSE: To detect wire ends surely and easily by contacting one of the two lead wires connected with a continuity tester to one wire end and finding out the other wire end with a finger of a human body contacting the continuity tester.  
     CONSTITUTION: When input terminals IN1 and IN2 are connected by a measured cable and a human body, a voltage +V is applied to the plus input of an operational amplifier M1 via the measured cable, the human body R1 and a resistor R2, an oscillator OSC is operated and a speaker SP produces a sound. When the input terminals IN1 and IN2 are opened, a balance resistor R3 makes the plus input terminal of the operational amplifier M1 OV and the speaker SP does not sound. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-S60239680-A (JP)
Title: Digital signal apparatus
Inventor: UOZUMI TOMOHIKO
IPC: G01R31/28
Filed: 1984-05-15
Abstract: PURPOSE:To accelerate the altering speed of the set value of the signal level of a digital circuit, by preliminarily storing the set value of the signal level of each digital circuit in a table along with a table number. CONSTITUTION:The set values of digital levels of a digital driver 3 and a digital comparator 6 in each inspection item are preliminarily stored in a table 8 along with table numbers #1-#n. In performing a test, table numbers #1- #n corresponding to inspection items are successively written in a level indication register 9 from a control apparatus 10. Hereupon, the table 8 is accessed according to the table numbers #1-#n written in the level indication register 9 and set values for setting predetermined digital signal levels are simultaneously applied to the digital driver 3 and the digital comparator 6. By this constitution, the degital signal levels of the digital driver 3 and the digital comparator 6 can be altered at a high speed and, therefore, the acceleration of a test speed is enabled.