baber/WOPTO huggingface dataset:
Patent JP-H01187986-A (JP)
Title: Manufacture of semiconductor laser
Inventor: OMURA ETSUJI
IPC: H01S5/00
Filed: 1988-01-22
Abstract: PURPOSE:To realize a TJS laser using an MQW layer as an active layer by a method wherein a first diffusion region reaching at least a quantum well structure is formed through selective diffusion, a film is formed onto at least the first diffusion region in the surface of a semiconductor wafer, the temperature of the semiconductor wafer is elevated and a second diffusion region is formed. CONSTITUTION:A second conductivity type first diffusion region 5 reaching at least quantum well structure 3 is shaped to one part of, a semiconductor wafer, in which the quantum well structure 3 is held by first conductivity type two clad layers 2, 4, through selective diffusion. A film 9 is formed onto at least said second conductivity type first diffusion region 5 in the surface of said semiconductor wafer, and the temperature of said semiconductor wafer is elevated and a second conductivity type second diffusion region 7 is shaped. The n-AlGaAs clad layer 2, an MWQ layer 3 and the n-AlGaAs clad layer 4 are grown successively onto a semi-insulating GaAs substrate 1, and the p<+>- diffusion region 5 is formed. The dielectric film 9 composed of SiO2, Si3N4 or the like is shaped, and the whole is thermally treated for thirty min at approximately 800 deg.C and the p-diffusion region 7 is formed.
Patent JP-H06222009-A (JP)
Title: Defect inspection system
Inventor: HAGIWARA TSUNEYUKI
IPC: G01N21/88
Filed: 1993-01-28
Abstract: PURPOSE:To allow common inspection of the surface conditions of a substrate formed with various circuit patterns without requiring any dedicated spatial filter fabricated by exposing a dry plate. CONSTITUTION:Luminous flux 5 is split into four parts through an aperture plate 28 and impinges on a semiconductor wafer 1. Light reflected therefrom is introduced through a Fourier transform lens 10 onto a Fourier transform plane 17 where the luminous flux is deflected in the direction of an inverse Fourier transform lenses 23A and 23B through reflectors 34A and 35A. Optical detector arrays 26A and 26B are disposed on the image planes of the lenses 23A and 23B.
Patent JP-H09213770-A (JP)
Title: Semiconductor wafer processor and alignment method in semiconductor wafer processor
Inventor: FURUYA MASAAKI
IPC: H01L21/68
Filed: 1996-01-29
Abstract: PROBLEM TO BE SOLVED: To contrive to save a space taking into consideration an arrangement space of an alignment mechanism and a cooling mechanism and to obtain a device capable of simplifying maintenance works by a method wherein the alignment mechanism is arranged in an downward portion of a conveying passage for conveying a semiconductor wafer and the cooling mechanism is arranged in an upward portion of the conveying passage, etc. SOLUTION: This embodiment comprises a conveying passage 4 for conveying semiconductor wafers W, and alignment means 6 to 14 which are arranged in a downward portion of the conveying portion 4 to support the conveyed wafers W and correct an angle slippage and a position slippage of the wafers W. This embodiment further comprises cooling means 25 which is arranged in an upward portion of the conveying passage 4 and arranged in a counter position of the alignment means 6 to 14 to cool the wafers W. For example, the alignment means 6 to 14 detect an edge position of the wafer W by rotation of a rotor 6, rotate and displace the wafers W together with a lift mechanism 9 from detection signals detecting a position slippage amount and a slippage angle of the wafer W, and align the center of the rotor 6 to the center of the wafer W.
Patent JP-S59140399-A (JP)
Title: Tin-free steel sheet with superior adhesive strength to paint
Inventor: OGATA HAJIME
IPC: C25D11/38
Filed: 1983-01-28
Abstract: PURPOSE:To obtain a tin-free steel sheet with superior adhesive strength to paint by specifying the number of Cr-OH bonds in a Cr oxide film on a tin-free steel sheet. CONSTITUTION:A metallic Cr film and a Cr oxide film are formed on a tin-free steel sheet, and the Cr oxide film is analyzed by Fourier-transform infrared spectroscopy to obtain the transmittance (%) I<580>Cr and I<660>Cr at 580cm<-1> and 660cm<-1>. The former transmittance is due to ol bonds, and the latter transmittance is due to oxo bonds. When a ratio represented by the formula is defined as the degree of olation, the degree of olation of the Cr oxide film is adjusted to >=0.50. A tin-free steel sheet with superior adhesive strength to paint is obtd. by making the number of ol bonds larger and the number of oxo bonds smaller.
Patent JP-S54122201-A (JP)
Title: Derivative of sf-1739 substance, its preparation, and anticarcinogen containing the same as active component
Inventor: INOUE SHIGEHARU
IPC: A61K35/74
Filed: 1978-02-08
Abstract: NEW MATERIAL:Derivative of SF-1739 substance (SF-1739 HP substance). It has the following properties. Mass spectrum shows peaks at m/e=412 and 430; elemental analysis: C 62.19%, H 6.95%, N 8.50%, O 22.36% (remainder); easily soluble in water and methanol; soluble in acetone and ethyl acetate; slightly soluble in hexane; silica gel TLC: Rf=0.45 (CHCl 3 /CH 3 OH=9/1) or 0.23 (n-C 4 H 9 OH/ CH 3 OH/0.1N HCl=4/2/1); dark purple substance; etc.  
     USE: Antibacterial preparation especially effective to Gram-position bacteria and anticarcinogen. More stable than SF-1739 substance which is a raw material.  
     PROCESS: SF-1739 HP Substance is obtained by treating SF-1739 substance with a mineral acid or 5-10N highly concentrated acid for 1 day - 1 week under cooling or at room temperature, and purifying by TLC, etc. When the conc. of the acid is above 5N, the treatment is carried out for 1 day to several days at or above room temperature. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-S59138197-A (JP)
Title: Control circuit of time division multiplex network
Inventor: MORIYAMA KENJI
IPC: H04Q11/04
Filed: 1983-01-28
Abstract: PURPOSE:To attain extension of an input/output system by using a channel control memory and a control logical circuit section and providing a limit to connection between an input system and an output system to eliminate the need for a high speed memory. CONSTITUTION:A transmitted voice data of a terminal device of a system A is written in an input system transmitted voice signal data memory U2 by data lines D00-D07 and address lines A00-A02, and a memory write signal WE0 and transmitted voice data of a system B is written in a memory U4 similarly. The written data is read from addresses I0a-Iac of data selectors U1, U3, written in output system receiving voice data memories U8, U10 after multiplexing, then read by data lines D20-D27 and D30-D37. Thus, even if the systems connected mutually are increased, since the connecting path is limited, the exchange connecting processing is completed in two periods.
Patent JP-H10192771-A (JP)
Title: Resin coating device
Inventor: KURIHARA TOSHIRO
IPC: B05C9/14
Filed: 1997-01-10
Abstract: PROBLEM TO BE SOLVED: To make it possible to obtain smoothly coated surfaces free from problems in practicable use without heating afterward, by selectively subjecting only the assigned front ends of materials to be coated to powder coating by utilizing induction heat and to make the construction over the entire part of the device inclusive of a conveyor device simple as far as possible by effectively utilizing the shape characteristics of the materials to be coated. SOLUTION: This resin coating device 100 has a high-frequency current source, an induction coil 102 which is formed to a slender channel shape closed at both ends and is connected to this current source, a powder tank 103 which is formed to a slender opened tank shape and holds the fluidized bed of thermoplastic resin powder and the conveyor device 107 which successively transports the materials 1 to be coated to the induction coil 102 and the powder tank 103 along a circumferential circuit and hammer mechanisms 106 which drop the unfused powder. In such a case, the conveyor device 107 transports the materials 1 to be coated at a specified speed while holding the materials to be coated in the posture of protruding their coating sections downward on the outside of the conveyor.  The hammer mechanisms 106 impart impact to the materials 1 to be coated right after the coating sections are pulled up from the powder tank 103.
Patent JP-S62225210-A (JP)
Inventor: JIERARUDO EE KURARITSUKU
IPC: B01D61/46
Filed: 1987-01-24
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-H05206193-A (JP)
Title: Semiconductor device
Inventor: MATSUMOTO YOSHIHIRO
IPC: H01L21/60
Filed: 1992-01-28
Abstract: PURPOSE:To make thin a package without malfunction of deformation or contact of bonding wires with a semiconductor element by mounting an insulating thin board which is bored at the same position as a bonding pad of a semiconductor element on the semiconductor element, and by bonding the thin board through a hole. CONSTITUTION:A Teflon insulating thin board 1 has a hole at the same position as a bonding pad of a semiconductor element 2. After mounting the insulating thin board 1 on the semiconductor element 2, the semiconductor element 2 and a lead frame 3 are bonded through Au line wire 4, and then are molded with mold resin 5. The Au line wires 4 do not contact with the semiconductor element 2, even if it is deformed at the time of molding. In addition, wire bonding at the shortest distance can be ensured, because the insulating thin board 1 is used between wires, thereby a package can be made thin.
Patent JP-H04247609-A (JP)
Title: Transformer for meter
Inventor: KAWABUCHI YOSHIKI
IPC: H01F38/24
Filed: 1991-02-04
Abstract: PURPOSE:To raise residual voltage to be induced to one of secondary windings when the other secondary windings of a transformer for meters provided with a plurality of secondary windings is short-circuited. CONSTITUTION:An adjustment impedance 8 is connected in series to at least one of secondary windings 1 of secondary windings 2, 3 which are provided in a plural number. Voltage generated on at least a part of the adjustment impedance is applied via an auxiliary transformer 9 to the other secondary winding 3.
Patent JP-S60159147-A (JP)
Title: Aluminum alloy
Inventor: CHIBA KAZUO
IPC: C22C21/06
Filed: 1984-01-30
Abstract: PURPOSE:To form a fine striped pattern similar to straight grain of wood by etching an Al alloy plate contg. a specified amount of V, Cr or B and specified amounts of Mg and Mn as essential components or further contg. Cu and by carrying out chemical polishing or electropolishing as required. CONSTITUTION:An Al alloy contg. 0.5-2.5% V, 0.5-2.5% Cr or 0.5-2.0% B, 0.5-1.5% Mg and 0.5-1.0% Mn as essential components or further contg. 0.02- 0.3% Cu is cast into an ingot. This ingot is homogenized, hot rolled, and cold rolled. The resulting Al alloy plate is etched by 0.25-0.70g/dm<2> extent of dissolution by treatment with an aqueous NaOH soln. having 20% concn. at 45 deg.C for 5min to form a fine striped pattern similar to straight grain of wood on the surface of the plate. The striped pattern may be made bright by processing such as chemical polishing or electropolishing so as to obtain an Al alloy plate having an improved decorative effect and superior strength.
Patent JP-H07224784-A (JP)
Title: Drain pump
Inventor: HAYASHI KOICHI
IPC: F04D13/00
Filed: 1994-02-07
Abstract: PURPOSE:To prevent the blocking by the foreign matter during drainage by forming a through-hole for drainage leading to the outside of an impeller casing at the sliding section with an impeller of an impeller casing, in case that a through-hole is made at the suction casing on inlet side of the impeller and an air pipe leading to the outside is connected to this. CONSTITUTION:A mixed flow pump including an impeller 2 is arranged in a pump casing 3 installed inside the suction tank at a pumping station and an air through hole 5 is bored, at the position lower than the lowermost operation water level LWL at stationary operation of the mixed flow pump, in the suction casing 4 of the mixed flow pump, and an air pipe 6 leading to outside is connected to this through hole 5. Moreover, to the pump casing 3 is connected a discharge pipe, which leads to a discharge reservoir. In this case, one or plural through-holes 19 for drainage leading to outside of this impeller casing 16 are formed at the sliding section with the impeller 2 of the impeller casing 16. A small quantity of water can be drained at all times during pump operation through this through-hole 19 for drainage.
Patent JP-H04247777-A (JP)
Title: Sensitivity increasing circuit for video camera
Inventor: WATANABE MAKOTO
IPC: H04N5/243
Filed: 1991-02-04
Abstract: PURPOSE:To attain image pickup at a low illuminance and correction of rear light by converting the mode of a gain control amplifier in response to the illuminance. CONSTITUTION:A video signal whose low frequency noise is eliminated by a CDS circuit 4 is inputted to a diaphragm control circuit 5, which controls the diaphragm and inputted to a GCA 6 and the gain is controlled by an AGC circuit 7 to obtain a prescribed signal level. Then a signal processing circuit 8 and an encoder circuit 9 apply prescribed signal processing to obtain a composite video signal. With a BLC switch 10 closed, a control signal is fed to the diaphragm control circuit 5 and the AGC circuit 7 to widen the aperture of the diaphragm 2 and to increase the gain of the GCA 6. Furthermore, in the case of a low illuminance, an A/D converter 12 discriminates the low illuminance and a low illuminance signal is outputted and a characteristics of the GCA 6 is converted into the mode increase change characteristics based on an output from a D/A converter 15 via an AND gate 13. Thus, the image pickup at a low illuminance and at rear light is attained.
Patent JP-H09211428-A (JP)
Title: Display device
Inventor: PEETAA BURANTO
IPC: G02F1/133
Filed: 1997-01-28
Abstract: PROBLEM TO BE SOLVED: To obtain a clear contrast in color between those in a controlled control area and an uncontrolled control area and also to make the color in the controlled area constant irrespective of temperature by improving a display device. SOLUTION: As for a display device having TN liquid crystal cell 1 which can translucently illuminate via a light source 18, a nematic liquid crystal material 20 of a liquid crystal cell 1 contains dyestuff. A control area of the TN liquid crystal cell 1 can be loaded with a control voltage across a controlled level 14 of an electro-optical characteristic curve and an uncontrolled level 15, and a brightness code can be displayed on a dark display screen. The liquid crystal cell 1 can be loaded with a control voltage across a controlled level 14 and the uncontrolled level 15 in a downward oscillation area 17 having a minimum transmissivity.
Patent JP-S57128017-A (JP)
Title: Manufacture of high voltage electronic part
Inventor: IMAMURA EIJI
IPC: H01F38/42
Filed: 1981-01-30
Abstract: PURPOSE:To fill liquid insulating material without remaining air bubbles or the like in a gap in a case of a high voltage electronic paper conveyed into an evacuation chamber in a short time by increasing the degree of vacuum of the chamber higher than that of a filling chamber when the insulating material is filled in the prescribed degree of vacuum from the filling chamber in the gap in the case. CONSTITUTION:A preliminary heating furnace 1, an evacuated chamber 7, a filling chamber 8 and a curing furnace 14 are provided. A high voltage electronic part such as a flyback transformer is evacuated in an evacuated chamber which is maintained at the high degree of vacuum. Liquid insulating material defoamed in advance is filled in the prescribed degree of vacuum in the chamber 8 connected via a valve 9 to the evacuated chamber. In this case, the degree of vacuum of the chamber 7 is set higher than that of the chamber 8. In this manner, the material can be preferably filled without remaining air bubbles, and the filling time can be shortened.
Patent JP-H11253376-A (JP)
Title: Remote controller for vacuum cleaner
Inventor: KIM KWANG-SOO
IPC: H04B1/20
Filed: 1999-01-21
Abstract: PROBLEM TO BE SOLVED: To facilitate the manufacture of a hose and to reduce the weight of the hose by remote-controlling a motor provided at a main body through a radio signal according to the operation of a key input part on the side of a handle to unneceeitate a communication cable provided within the hose. SOLUTION: The handle connected with the suction hose of a vacuum cleaner is provided with the on/off button of the vacuum cleaner and plural selecting buttons for instructing suction force stepwise and provided with a key input part 400 outputting a corresponding key signal by the button operation of these buttons and an RF signal call-originating part 500. On the other hand an RF signal receiving part 600 is provided the outer side part of a main body incorporating the motor 810 generating suction force. The part 500 is provided with an RF signal generation part 510, etc., outputting a signal wave equivallent to a key signal when the key signal is inputted from a key input part 400, and the generated signal wave is received by the part 600 to control the driving of the motor 810.
Patent JP-S57126596-A (JP)
Title: Water feeding / removing pump
Inventor: YAMADA YUKIMI
IPC: D06F39/08
Filed: 1981-01-30
Abstract: PURPOSE:To enable pumping up of remaining water of bath, as an example, and feeding it to other use all smoothly and rapidly, by constructing a device which incorporates a reserve tank, provided with hose connections and an air vent equipped with a stopcock, and a pump with its pump casing open to the reserve tank. CONSTITUTION:This setup consists of a reserve tank 2; which has a hose connection 3, and an air vent 4 equipped with a stopcock 11; and a pump 18, installed within the reserve tank 2 and its pump casing, with a built-in runner 20, made open to the reserave tank 2. A hose 33 is connected to the hose connection 3 with other end positioned in the remaining water 35 in the bathtub 34. With a hose 28 introduced into the washing chamber of a washing machine 30, priming water supplied into the reserve tank 2 and the stopcock 11 closed, the switch is made on. Then, the pump runner 20 is rotated, the remaining water 35 in the bathtub 34 pumped up through the hose 33, and fed into the washing machine 30 through the hose 28, smoothly and rapidly.
Patent JP-S59141086-A (JP)
Title: Method and apparatus for measuring uranium enrichment
Inventor: TANAKA SHIYOUICHI
IPC: G01T1/167
Filed: 1983-02-01
Abstract: PURPOSE:To enable the measurement of low uranium concentration while eliminating reference sample by measuring the intensity of gamma rays released from an uranium-containing solution to be measured and the intensity of transmitting gamma ray from an external gamma ray source to calculate a correction factor. CONSTITUTION:The intensity of gamma rays peculiar to <235>U released from an uranium-containing solution 2 to be measured is measured with a gamma ray spectrometry 3. On the other hand, gamma rays generated from an external gamma ray source 4 irradiates the solution 2 and the intensity of transmitting gamma ray with a specific energy is measured with a gamma ray spectrometry 3 to calculate the uranium concentration of the solution 2 from the measured value. A correction factor is calculated for diminishment and a geometric effect with respect to gamma ray peculiar to <235>U due to the solution 2 and gamma ray transmission material other than the solution from the uranium concentration obtained. Then, the <235>U concentration is calculated using the measured intensity of gamma ray peculiar to <235>U and the correction factor to determine the <235>U enrichment level from the uranium concentration obtained and <235>U concentration.
Patent JP-H01190920-A (JP)
Title: Twin turbo type internal combustion engine
Inventor: OHASHI RYOICHI
IPC: F02B37/013
Filed: 1988-01-25
Abstract: PURPOSE:To permit the supercharge operation having high efficiency by forming a partitioning wall on the downstream side of a communication pipe for the first exhaust passage connected with a twin scroll turbine. CONSTITUTION:A plurality of cylinders are divided into two groups, and turbosuperchargers 15 and 17 are installed into each cylinder group. The first and second exhaust passages 13 and 14 connected with the turbosuperchargers 15 and 17 are allowed to communicate through a communication pipe 30. A partitioning wall 34 is formed on the downstream side from the communication pipe 30 in the first exhaust passage 13. The interference of exhaust is prevented by the partitioning wall 34 when the selector valves 31 and 32 are opened. Therefore, the supercharge having high efficiency is permitted.
Patent JP-H05207451-A (JP)
Title: Video conference system
Inventor: WAKAYA SHIGEKI
IPC: H04N7/15
Filed: 1992-01-29
Abstract: PURPOSE:To provide the video conference system in which no contact error as to a display content is caused, resulting that the conference is proceeded efficiently. CONSTITUTION:A 1st video conference equipment A and a 2nd video conference equipment B are provided with display control means 17 or 7 controlling a display means 18 or 8 of the 2nd video conference equipment B of the 1st video conference equipment A based on the control information sent from the 1st video conference equipment A or the 2nd video conference equipment b, and this invention is featured such that when the display means 8 or 18 of the 1st or 2nd video conference equipment is controlled by the 2nd or 1st video conference equipment, the display means 18 or 8 of the 2nd or 1st video conference equipment is not controlled by the 1st or 2nd video conference equipment.
Patent JP-H05203685-A (JP)
Title: Input signal detection circuit
Inventor: TANIYAMA TAKAAKI
IPC: G01R23/02
Filed: 1992-01-29
Abstract: PURPOSE:To simplify circuit constitution by eliminating the necessity of strictly removing noise components at the front stage of a frequency measuring circuit. CONSTITUTION:A counter circuit 9 measures the frequency of an input signal IN using a reference signal BP and agreement signals which are output from an AND gate 10 when the result of this measurement agrees with a predetermined frequency are counted by a register circuit 12. When the register circuit 12 counts three successive outputs of the agreement signals a judgement signal G is output from the AND gate 13.
Patent JP-S54108186-A (JP)
Title: Nuclear fuel rod
Inventor: KOBAYASHI YOSHIMITSU
IPC: G21C3/16
Filed: 1978-02-13
Abstract: PURPOSE: To prevent the lowering of a gas plenum part volume and to enable the gas seal easy, by means of forming a gas introducing hole at the end plug of a cladding tube, and of welding after the gas being sent into the cladding tube in an engaged state of one part of the end plug with the cladding tube.  
     CONSTITUTION: A gas introducing hole 2 of L letter mark shape is bored in the inserting part to a cladding tube 4 of an end plug 1. The introducing hole 2 penetrates the inner part of the end plug 1, thereby a plenum part 5 and the outside are connected. Setting is effected in a half inserted state in the cladding tube by means of arranging the end plug 1 on a jig 11. The introducing hole 2 and the inner part of the sealing device are separated by a ring 13, and air is exhausted from an outlet 12 and a tube part 9. Then, an atomospheric gas for welding is filled within the device and a prescribed gas is filled in the plenum part from the outlet 12 and the tube part 9. Thereafter, the cladding tube 4 and the end plug 1 are welded by a welding torch in the device after being further pushed in, and being temporally sealed the introducing hole 2. By such means, it is possible to enable the gas seal with ease. 
     COPYRIGHT: (C)1979,JPO&Japio