baber/WOPTO huggingface dataset:
Patent JP-H1126430-A (JP)
Title: Wet etching device for manufacturing semiconductor device and method for circulating etchant in it
Inventor: LEE SEUNG-KUN
IPC: H01L21/00
Filed: 1998-03-20
Abstract: PROBLEM TO BE SOLVED: To prevent the re-contamination of a wafer in a wet etching device in an etching process, by inclining the bottom of the inner tank of the device at a fixed angle so that the bottom may descend toward a circulating pipe connected to the tank. SOLUTION: A wet etching device is provided with an inner tank 11 in which a water to be etched is stored and an outer tank 12 connected to the top side of the inner tank 11. The device is also provided with a circulating pipe 13 which is connected to the inner tank 11 and the outer tank 12, so that the pipe 13 may supply an etchant to the top section of the inner tank 11, by circulating the etchant to the outer tank 12 from the bottom section of the inner tank 11 and a pump 14 which is connected to the pipe 13 and circulates the etchant. In particular, the bottom of the inner tank 11 is inclined at an angle so that the bottom may descend toward the pipe 12. Therefore, the wet etching device functions to prevent the contamination of the wafer with particles contained in the etchant in an etching process by cleaning the etchant.
Patent JP-H01246760-A (JP)
Title: Metal vapor discharge lamp
Inventor: HAGYUDA AKIKO
IPC: H01J61/52
Filed: 1988-03-28
Abstract: PURPOSE:To prevent a glow starter of a metal vapor discharge lamp from deteriorated due to heat so as to lengthen a lifetime of the glow starter by forming warming film or heat reflecting film on the wall of the glow starter enclosed in the discharge lamp. CONSTITUTION:Formed on all the outer surface of a bulb 21 of a glow starter 20 is warming film 26 whose main components are more than one of zirconium oxide, aluminum oxide and mullite. Furthermore, formed on the outer surface of the film 26 is a heat reflecting film 27 whose main components are aluminum and/or mercury. While a luminous bulb 6 is turned on, the glow starter 20 is heated by being applied with radiation heat and convective heat in an outer tube 1 due to heat from the luminous bulb 6. The film 27 reflects almost all of heat rays which are to enter the bulb 21. The heat which is not reflected there is shut off by the film 26. Therefore, the bulb 21 is not heated so that thermal deformation is prevented and lifetime of the bulb 21 is lengthened.
Patent JP-H01244766-A (JP)
Title: Method and device for heating piercing needle and device for extracorporeal circulation
Inventor: SHIMOMURA YASUSHI
IPC: A61M1/36
Filed: 1988-03-26
Abstract: PURPOSE:To facilitate piercing of a needle into a blood vessel and to shorten the time for a treatment by heating the piercing part or the terminal peripheral part thereof at the time of blood taking or blood returning. CONSTITUTION:The arm of a person for blood taking is put into a cylindrical insertion part 27 of a piercing part heater 26 having internally a heating means 28 in order to heat the piercing part of the arm of the blood donor or the peripheral part thereof. The blood taking is executed after the peripheral part of the piercing needle is heated. A roller pump 18 is then run to introduce the plasma separated from a plasma exchange module 10 in to a plasma taking bag 12. The arm of the blood donor is kept inserted into the cylindrical insertion part 27 of the piercing needle heater 26 even during the blood returning operation. The pump 17 runs backward first to intro duce the blood from the blood circuit in the upper part of a blood storage tank 11 down to the plasma exchange module 10, a roller pump 17 and the lower part of the blood storage tank 11 into the blood storage tank 11a at the point of the time when the taking of a required volume of the plasma ends. Clamps 21, 22 are then opened and the pump 16 is run backward to return the blood in the blood circuit to the for blood donor.
Patent JP-H02251351-A (JP)
Title: Centrifugal casting method
Inventor: AMAKO SHINJI
IPC: B22D13/10
Filed: 1989-03-23
Abstract: PURPOSE:To improve the hot insulation at inner face of molten metal layer by supporting a cylindrical body at tip part of a trough to an end plate as rotatable through bearings, sealing a passage of the trough at a suitable position and executing a centrifugal casting under condition of closing molten metal pouring hole in the mold. CONSTITUTION:Rotary supporting rollers 4 horizontally support a cylindrical mold 1 as rotatable. The molten metal pouring hole 21 is set at center part of the end plate 2, and the heat resistant rolling bearing 6 is arranged in the cylindrical body 22 projecting to this end plate. The insert tip part of the trough 3 for pouring the molten metal forms cylindrical body 31 and the ring-like heat insulating material 33 is fixed to the outer circumference thereof. The trough 3 is inserted into the molten metal pouring hole 21 and the heat insulating material 33 is abutted on the bearing 6. The molten metal is poured from the trough 3 while rotating the mold 1. After completing the pouring, the passage 32 is closed with a sealing plate 34 at the end of the trough 3. Flow of the air at inside and outside of the mold 1 is prevented and heat of the inner face of the molten metal is held and progressing of solidification from the inner face of the molten metal layer during operation can be prevented.
Patent JP-H11272869-A (JP)
Title: Method and device for editing raster data
Inventor: SAKAI SHUSUKE
IPC: G06T3/40
Filed: 1998-03-20
Abstract: PROBLEM TO BE SOLVED: To provide a raster data editing method which can vary the line width of raster data to a desired value when the raster data are edited. SOLUTION: When a specific area is selected on the screen of a CRT display device 12, a vectorizing process means 21 converts raster data corresponding to the selected area into vector data and also recognizes one or more figure element included in the selected area. A line width acquiring means 22 acquires the line widths of raster figures corresponding to the recognized figure elements. When the raster figures corresponding to the one or more figure elements and editing contents are specified, a line width editing process means 23 processes vector data of the figure elements corresponding to the specified caster figures at need according to the editing contents, converts the processed vector data into raster data having the line widths obtained by the line width acquiring means 22, and displays them on the screen.
Patent JP-H03270275-A (JP)
Title: Semiconductor storage device
Inventor: MIYASHITA TAKUMI
IPC: H01L29/788
Filed: 1990-03-20
Abstract: PURPOSE:To make a semiconductor storage device shorter in data updating time and highly integrated by constituting the device in such a way that the source electrode (or drain electrode) of the second MOS transistor is connected to the source electrode (or drain electrode) of the third MOS transistor. CONSTITUTION:This semiconductor storage device is constituted in such a way that the source electrode 51c (or drain electrode) of the first MOS transistor 51 is connected to the control gate electrode 53a of the third MOS transistor 53 and the source electrode 52 (or drain electrode) of the second MOS transistor 52 is connected to the source electrode 53b (or drain electrode) of the third transistor 53. Accordingly, when a high voltage HV4 is applied across a selected word line 54 and wiring/readout voltage E is applied across a pair of selected bit lines 55 and 56, writing and erasure can be performed simultaneously and one memory cell 50 can be constituted of the three transistors 51-53. Therefore, the data updating time can be shortened and this storage device can be integrated highly, since the cell area can be reduced.
Patent JP-H10267388-A (JP)
Title: Fluid heater
Inventor: GOTO MAKOTO
IPC: A47K3/00
Filed: 1997-03-25
Abstract: PROBLEM TO BE SOLVED: To obtain an excellent heat exchange efficiency while assuring a large flow rate by dividing an inlet passage and an outlet passage into a plurality of plate-like bodies and laminating in such a manner as they come into a face contact alternately to constitute a heat exchanging portion in a fluid heater where a fluid which passes through the inlet passage and a heated fluid which passes through the outlet passage are heat exchanged with each other. SOLUTION: When applied to a circulation hot bathing apparatus, a heat exchanging portion of a fluid heater comprises partitions 27, 29, 31, 33, 35 which partition an inlet passage 21 and an outlet passage 22 in a stacking direction while arranging them next to each other and frame-like spacers 26, 28, 30, 32, 34, 36. In each pair of neighboring partition and spacer, communication apertures a, b for defining the inlet passage 21 and the outlet passage 22 alternately are formed such that they face with each other. Namely, the inlet passage 21 is formed such that it advances in an arrow direction A1 from an inlet opening 21a formed in a bottom plate 25 and passes through communication apertures a formed in the partition 27, the spacer 28 and the partition 29 respectively.  Thereafter, the fluid passage 21 advances in arrow directions A2 and A3, while the outlet passage 22 is formed such that it advances in arrow directions B1-B3 from a starting end portion 22a formed on a top plate 37.
Patent JP-H03271971-A (JP)
Title: Machine translation device
Inventor: MIYAHIRA TOMOHIRO
IPC: G06F17/28
Filed: 1990-03-20
Abstract: PURPOSE:To improve translation accuracy by putting equivalent selection information which is specified by both pre-editing and postediting in an original sentence. CONSTITUTION:An input language dictionary 7 and an output language dictionary 12 are composed of local dictionaries 9 and 14, dictionaries 10 and 15 for analysis and generation, and dictionary control parts 8 and 13 which control them. In this case, a sentence to be translated which is obtained by original sentence input 21 is pre-edited 22 first. Then a translation process 23 and postediting 24 are carried out, but the operation can be performed repeatedly and while information on the postediting 24 is stored, the input language, output language, and local dictionaries are completed. Consequently, the quantity of a translation is improved gradually.
Patent JP-S51147959-A (JP)
Title: Method for forming electrode in a semiconductor device
Inventor: KUSANO YUUJI
IPC: H01L21/312
Filed: 1975-06-13
Abstract: PURPOSE: To form an electrode with ease and excellent accuracy by the combination use of electrolytic etching and chemical etching for the formation of multilayered electrode wiring layer having a highly accurate pattern in a semiconductor device. 
     COPYRIGHT: (C)1976,JPO&Japio
Patent JP-S5743815-A (JP)
Title: Assembly product sealed in clearance with foaming hot melt and seal application thereof
Inventor: MIYAHARA YOSHIHIKO
IPC: B29C65/70
Filed: 1980-05-30
Abstract: PURPOSE:To obtain a close-sealed assembly product under a normal pressure by projecting to apply a foaming hot melt to a clearance at a joint for assembling molded parts at more than one points from outside or inside according to the size of the clearance. CONSTITUTION:In a double casing for filling heat insulating material of an electric refrigerator, for example, a foaming hot melt is applied to clearances (a) and (b) from outside. As the foaming hot melt is less in the running property than ordinary hot melt, it is cooled and solidified as adhering to even a relatively large clearance like a whipped cream to effect a close sealing. For a clearance C which is too narrow to hinder the application from outside through an gun nozzle 15, a hole H1 is made on an outer casing 1 on a projection line countering the clearance C and the gun nozzle 15 is inserted through the hole H1 to project 15a and apply it by remote operation 15b. After the sealing of the clearance, an unfoamed urethane raw liquid is injected and with a lid put, the casing is heated thoroughly to be filled with the foamed urethane without clearance.
Patent JP-H11274174-A (JP)
Title: Manufacture of field effect transistor
Inventor: ASAI SHUJI
IPC: H01L29/417
Filed: 1998-03-20
Abstract: PROBLEM TO BE SOLVED: To prevent disconnection, by installing a first recess in a conductive semiconductor layer, depositing an insulating film, forming a gate opening part, suppressing side etching in a lateral direction, and installing a second recess, forming a gate electrode in it and forming an ohmic source and a drain electrode on both sides. SOLUTION: An insulating film 6 is coated on an epitaxial growing layer and a gate opening part 7 is formed. An upper contact layer 5 is selectively crystal-etched and a first recess 19 is installed. An SiO2 film is deposited, a side wall is formed by dry etching and a new thin gate opening part is formed. An etching stop layer 4 is removed, a lower contact layer 3 is exposed, a crystal layer is cut to be thin. Selective crystal etching is executed and a channel layer 2 is exposed. Then, a second recess 20 is installed so that over etching in the lateral direction is reduced. Then, the gate metal 10 of low resistance is deposited and gate metal 9 is buried into the side of the lower contact layer 3.
Patent JP-S57187590-A (JP)
Title: Heat exchange method
Inventor: ECHIGO RIYOUZOU
IPC: F27B9/10
Filed: 1981-05-13
Abstract: PURPOSE:To improve the heat exchange efficiency without lowering the thermal function of a high temperature chamber, by passing a high temperature chamber outflow gas through an gas-permeable solid that parts the high temperature chamber and a heat exchange chamber. CONSTITUTION:Air for combustion is fed to air inlet 35, and the air passed through a recuperator 31 is fed from a preheated air outlet 36 via suitable pipings to burners 23, 24 to carry out combustion. The combusted gas from the  burners is allowed to pass from a heating chamber 26 through the gas-permeable  solid 28 into the heat exchange chamber 27. In this case, the gas-permeable  solid 28 is heated to high temperature by the convection and conduction of the  burned bas that passes through it, and radiates a large amount of the radiation heat to the heating chamber 26. Then the gap whose temperature has decreased  due to the passage through the gas-permeable solid 28 heats in the heat exchange chamber 27 the air for combustion passing in the recuperator 31, so that  the temperature of the gas further drops, and the gas is discharged from an  exhaust gas outlet 25.
Patent JP-S56169344-A (JP)
Title: Manufacture of ic
Inventor: KOSHIKAWA MAKOTO
IPC: H01L21/66
Filed: 1980-05-30
Abstract: PURPOSE:To obtain a thin IC device high yield by dicing an IC wafer, then bonding it to a substrate, covering resin on the overall surface, opening it on a bump and electrically measuring it. CONSTITUTION:A wafer 3 is secured onto a substrate 1 with max 2, and is cut in a predetermined size. An Au bump 41 is formed on an aluminum pad for connecting an IC chip 4, and the overall surface is covered with resin 5. Holes are selectively opened on the bump 41, are electrically measured by styluses 6, and a marking ink 7 is coated on a malfunctioned chip. Thereafter, the mark 7 is idenfitied, and only preferred chips are automatically bonded. Since the chips are sealed with resin immediately after spliced with this configuration, the decrease in the yield can be remarkably improved and the measurements after bonding can be omitted. In addition, the resin 5 can be simply coated by a rotary coating process or the like, and a thin IC device can be obtained.
Patent JP-S63240411-A (JP)
Title: Suspension device for automobile
Inventor: YAMAMOTO TADANOBU
IPC: F16H48/38
Filed: 1987-03-26
Abstract: PURPOSE:To suppress the tendency of power under-steer, by supporting a differential gear to a suspension supporting member on the rear side of a rear wheel driving shaft, supporting the suspension supporting member through front and rear elastic members to a vehicle body, and setting a given mounting distance and a modulus of elasticity of the front elastic member to be greater than those of the rear elastic member. CONSTITUTION:A differential gear 2 for transmitting power to a driving shaft 4 of a rear wheel 3 is supported to a cross member 6 on the rear side of the driving shaft 4. Shafts 11 and 12 are mounted to the cross member 6, and two lateral links 13 and 14 are pivotably connected at their inner ends to each of the shafts 11 and 12. The outer ends of the lateral links 13 and 14 are pivotably connected to a wheel supporting member 5. The cross member 6 is mounted at its opposite end portions through front and rear damper mechanisms 15 and 16 to a vehicle body. Let k1 and k2 denote the moduli of elasticity of elastic members mounted in the front and rear damper mechanisms 15 and 16, respectively, and let A and B denote the distances from a straight line l to mount positions of the front and rear damper mechanisms 15 and 16, respectively. Then, Expression I is satisfied.
Patent JP-H07261771-A (JP)
Title: Active noise control device
Inventor: FUJII KENSAKU
IPC: G10K11/178
Filed: 1994-03-17
Abstract: PURPOSE:To reduce a circuit scale by using a general purpose filter and a general purpose coefficient updating circuit for updating coefficients of a feedback control filter and an estimation scatter filter and updating a coefficient of a noise control filter with a general purpose coefficient updating circuit. CONSTITUTION:This device is provided with a noise control filter 1 which synthesizes a pseudo noise by simulating a propagation system of a noise, and a feedback control filter 2 which synthesizes a pseudo sneak path component by simulating a feedback system of a pseudo noise, and cancels a noise outputted from a noise propagation system, while cancels a sneak path component returned to an input side of the noise control filter 1 through the feed back system. Then, a control circuit 8 updates a coefficient of the feedback control filter 2 using a general purpose filter 3 and a general purpose coefficient updating circuit 4 by switching successively a means 6 which switches input/output signals of the general purpose filter 3 and a means 7 which switches input/output signals of the general purpose coefficient updating circuit 4. Also, the general purpose filter 3 is used as an estimation scatter filter depending on an estimated result of an error scatter system, and a coefficient of the noise control filter is updated by the general purpose coefficient updating circuit 4.
Patent JP-H04313295-A (JP)
Title: Soldering method in surface mounting
Inventor: ASAMI EIZABURO
IPC: B23K31/02
Filed: 1991-04-05
Abstract: PURPOSE:To eliminate void due to flux gas of cream solder in a soldering boundary so as to surface-mount an electronic component on a board by using the solder. CONSTITUTION:A board 30 coated with cream solder and placed with an electronic component 31 thereon is charged and sealed in a furnace 10, heated by a ceramic heater 16, a vacuum pump 23 is operated to reduce the pressure in the furnace while the heated solder is at least melted or after the solder is melted at the latest. Thus, gas containing solvent gas of the flux generated from the melted solder is evaporated and diffused. After the board 30 is soldered by the above method, inert gas is introduced from an inert gas cylinder 27 to cool the board 30, thereby preventing oxidation of the soldered part.
Patent JP-H09262065-A (JP)
Title: Mixed sweetening
Inventor: SASAKI JIRO
IPC: A23L27/30
Filed: 1996-03-28
Abstract: PROBLEM TO BE SOLVED: To obtain a mixed sweetening having excellent sweetness close to sucrose by compounding trehalose with an α-glycosidated extract of stevia. SOLUTION: This mixed sweetening is produced by compounding trehalose with an α-glycosidated extract of stevia at a compounding ratio of 100:0.07-0.80 by weight. In the α-glycosidated extract of stevia, an average addition number of α-glucosyl group based on β-glycosidated steviol is 1.0-2.4.
Patent JP-S57188014-A (JP)
Title: Optical switch
Inventor: SHIRASAKI MASATAKA
IPC: G02F1/09
Filed: 1981-05-15
Abstract: PURPOSE:To obtain an optical switch having a high speed and high reliability with use of a crystal requiring no phase matching film, etc., by changing the input and output directions of a single mode beam waist by means of a Faraday rotor which is driven by a low magnetic field. CONSTITUTION:The beam radiated from a single mode optical fiber 25 is made incident to a thin plate 21 of YIG forming a low magnetic field-driven Faraday rotor via a didimensional lens 24 and a unidimensional lens 23 like a cylindrical lens, etc. A beam waist 22 passed through the plate 21 is turned into an output beam which is delivered in different directions in accordance with the direction of a low magnetic field that drives the plate 1. Then switching is carried out for the incident beam path to an output system optical fiber 25 that passes through lenses 23 and 24, etc. similar to the incident system. Thus an electrooptic crystal having high working voltage and low reliability, a phase matching film to be used to the crystal surface where the mode change, etc. is caused, etc. are eliminated. As a result, a single mode optical switch having a high speed and high reliability can be obtained.
Patent JP-H05244587-A (JP)
Title: Camera controller for television conference
Inventor: YANAGISAWA KIYOAKI
IPC: H04N7/15
Filed: 1992-02-26
Abstract: PURPOSE:To attain camera control with high accuracy by discriminating estimate of plural utterance parties in a composite way so as to control the changeover of television cameras, the turning and zooming of the television cameras. CONSTITUTION:A picture processing circuit 12 stores video data picked up by a stationary full scene camera 1a and applies picture processing to the data and generates information representing a position of a television conference participant and information representing a position of a talker. Then a discrimination circuit 13 generates information for changeover control between the stationary full scene camera 1a and a zoom camera 1b for a camera video changeover device 10, information to control the turning of the zoom camera 21b for a motor control circuit 8 in the horizontal and vertical direction and information to control zooming of the zoom camera 1b based on the information detected for the direction of the talker from a voice comparator circuit 7. That is, the television camera is tracked in the direction of the talker in composite way by a voice and a picture.
Patent JP-H10263668-A (JP)
Title: Finish rolling lubricant of hot rolling steel plate and finish rolling method
Inventor: IMAE TOSHIO
IPC: B21B1/22
Filed: 1997-03-26
Abstract: PROBLEM TO BE SOLVED: To effectively execute finish rolling of a hot steel strip, to make a hot steel plate in a thin thickness and to reduce the consumption unit of energy by composing a lubricating agent of a graphite powder, a water dispersion resin and a dispersing agent. SOLUTION: An uniform liquid film is formed by spreading a lubricating agent with a spray through a nozzle at the position sufficiently separated from the position where biting a steel 1 again by rotating the surface of a cooled roll 2. In this time, the surface temperature of the roll maybe in the range of 140 deg.C (100 to 150 deg.C). The lubricating agent is formed by adding a graphite powder (lubricating action), a water dispersion resin (sticking action) and their dispersion agent in water. The graphite powder as the lubricating agent is preferably 1 to 30 weight % and the water dispersion resin is preferably 1 to 20 weight %. The position of spraying the lubricating agent is made by 10 to 170 deg. of the center angle of the roll at the position of the upper stream side of the rotation direction from the position of biting the steel.  Therefore, the reduction ratio 40% of the rolling load being unable to attain with a conventional technique against the non-lubricating can be easily realized.
Patent JP-S51151321-A (JP)
Title: Method for preservation of human immune globulin from decay
Inventor: ISHIKAWA HIDEYUKI
IPC: A61K38/17
Filed: 1975-06-17
Abstract: PURPOSE: Method for preservation of human immune globulin from decay, exhibiting bacteriostatic and stabilizing effects. 
     COPYRIGHT: (C)1976,JPO&Japio