baber/WOPTO huggingface dataset:
Patent JP-S63117902-A (JP)
Title: Method and device for removing fluorine and chlorine in spent sulfuric acid
Inventor: KIHARA HITOSHI
IPC: C02F1/04
Filed: 1986-11-06
Abstract: PURPOSE:To recover and reutilize sulfuric acid by increasing the sulfuric acid concn. in spent sulfuric acid to higher than a specified value to remove fluorine and chlorine. CONSTITUTION:The spent sulfuric acid contg. >=100g/l sulfuric acid such as nonferrous metal refining spent acid and sulfuric acid producing plant spent acid is heated to 60-100 deg.C by a heater 11, supplied to the upper part of a treating tower 1 packed with a packing material 3 in a cylinder 2, and sprinkled through a spray 5. Meanwhile, 98% concd. sulfuric acid is sprinkled through a spray 4 to increase the concn. of the spent sulfuric acid to >=400g/l, air is simultaneously introduced from the tower bottom through an air feeder 20 and an air inlet 8 to efficiently carry out scrubbing, hence the fluorine and chlorine contained in the spent sulfuric acid are removed, and the exhaust gas is sent to an exhaust gas scrubber through a demister 6 and an exhaust port 7. The spent sulfuric acid freed of fluorine and chlorine is discharged from a sulfuric acid outlet 9 into a recovery tank 30, and sulfuric acid is recovered.
Patent JP-H07118303-A (JP)
Title: Dissociated bacterial cellulose
Inventor: HORI SADANORI
IPC: C08B15/08
Filed: 1993-10-22
Abstract: PURPOSE:To improve the freeness in the papermaking step without detriment of the paper-strengthening effects of a bacterial cellulose by treating it with an external mechanical force so as to produce a dissociation product having a specified average fiber length and/or a specified degree of sedimentation compression. CONSTITUTION:A dissociated bacterial cellulose has an average fiber length at least equal to or higher than that of a bacterial cellulose before dissociation and a degree of sedimentation compression of 0.12-0.20. Although the dissociation product having either the fiber length or the degree of sedimentation compression in the above-mentioned range can fulfil the purpose, the one satisfying both requirements is more pref. The product pref. has 1.0-1.7 times, 1.1-1.8 times and 1.2-1.6 times of the number-average fiber length, length-weighted-average fiber length and wt.-weighted-average fiber length of the cellulose before dissociation respectively. The dissociation is pref. done with an ultrahigh-speed homogenizer.
Patent JP-2000094174-A (JP)
Title: Magnetic disk surface machining device
Inventor: WADA NORIYA
IPC: B23K26/066
Filed: 1998-09-18
Abstract: PROBLEM TO BE SOLVED: To extend the service life of a bump by providing a part of a length in a specified direction on a top of the bump to be formed on a surface of a magnetic disk so as to realize an approximately line-contact condition when a magnetic head is brought into contact with the bump. SOLUTION: A laser beam irradiating means is provided, the laser beam from a laser beam source is dimmed by an AOM, expanded in diameter and paralleled by a beam expander so as to realize a specified beam diameter, and a disk is irradiated with the laser pulses from an objective lens unit to form a bump 2. A diaphragm 30 having an opening 32 is provided on a diaphragm plate 31 in a forward stage of the objective lens unit, and the opening 32 in the diaphragm 30 is of elliptical shape having a major axis 32a and a minor axis 32b. The bump 2 is longitudinal in the direction of the minor axis 32b, and when a magnetic head is abutted thereon, the magnetic head is substantially brought into line-contact therewith in this direction.
Patent JP-H01108452-A (JP)
Title: Tension adjustor of driving belt
Inventor: KASHIWASE HAJIME
IPC: F16H7/12
Filed: 1987-10-19
Abstract: PURPOSE:To facilitate the belt tension adjusting operation and maintain the tension constant by mounting an idler on an idler bracket via a bearing and also mounting a pinion on a screwed shaft via both a case and a torque limiter. CONSTITUTION:An idler bracket 22 is turnably mounted on a screwed shaft 23. An idler 2 is mounted on said idler bracket 22 via a bearing 21. The idler 2 is mounted on the screwed shaft 23 via both a case 5 and a torque limiter 51. A pinion 52 is engaged with a rack gear 6 integrally formed with a rail 3 so that the idler bracket 22 can be slided on the rail 3. Thus the belt tension adjusting operation can be facilitated and the adjusted belt tension maintained constant.
Patent JP-S61144095-A (JP)
Inventor: SATO RYOHEI
IPC: H01L21/321
Filed: 1984-12-18
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-H02112232-A (JP)
Title: Method of operating plasma apparatus and plasma apparatus
Inventor: ARAKI HIRONORI
IPC: C23C16/511
Filed: 1988-10-20
Abstract: PURPOSE:To improve an etched shape, an etching speed and a film forming speed by a method wherein a pressure in a plasma generating chamber is maintained equal to or lower than a pressure in a sample chamber during the operation of a plasma apparatus. CONSTITUTION:An exhaust outlet 3a linked with an exhauster is opened in the bottom wall of a sample chamber 3 which faces a plasma drawing-out window 1d. Further, inside the sample chamber 3, a sample table 7 facing the plasma drawing-out window 1d is provided directly below the window 1d. The opening area of the plasma drawing-out window 1d is so selected as to be not larger than 50% of the cross-sectional area of a plasma generating chamber 1. A sample S is placed on the sample table 7 in the sample chamber 3 and, after vacuum degrees of the plasma generating chamber 1 and the sample chamber 3 are set at required values, raw gas, is introduced into the sample chamber 3 through a gas supply system 3g to maintain the pressure of the plasma generating chamber 1 equal to or lower than the pressure of the sample chamber 3. In this state, the gas in the plasma generating chamber 1 is ionized and a plasma is generated.
Patent JP-S62125676-A (JP)
Title: Semiconductor device and manufacture thereof
Inventor: MIZUTANI YOSHIHISA
IPC: H01L29/78
Filed: 1985-11-26
Abstract: PURPOSE:To prevent information from erroneously writing and to improve reading speed of information by interposing an insulating film between a floating gate and a control gate, and providing a gate electrode through a thin insulating film at least on a part on the floating gate. CONSTITUTION:First and second regions to become source 113 or drain regions 112 provided on a surface region of a semiconductor substrate 101, a floating gate 107 and a control gate 104 provided through an insulating film 114 on a channel region between the first and second regions are provided. The gate 107 is disposed by displacing it on a channel region at the gate 104 side disposed near the first region, an insulating film is interposed between the gates 107 and 104, and a gate electrode 109 is provided through a thin insulating film at least on part of the gate 107. Thus, even if a channel length is shortened as highly integrated, it can prevent information from erroneously writing and improve reading speed of information.
Patent JP-H0798118-A (JP)
Title: Safety controller for combustion appliance
Inventor: OBAYASHI NAOKI
IPC: F23N5/26
Filed: 1993-09-29
Abstract: PURPOSE:To secure the safety of a user by making a combustion resumable when the operation switch is turned on again with a cancel signal as the additional condition. CONSTITUTION:The degree of danger TR is operated based on a signal from a CO sensor 20. When the degree of danger TR becomes not less than 0.9 and gradually ascends, an alarm is emitted, and the feeding of a gas is stopped, the counting of a timer is started, and a plug B is set. Then, when a clear switch 32 (cancel signal) is turned on, or a specified period of time, e.g. 4 hours, has passed, the plug B is cleared, a normal combustion preparation is started. That is, unless a worker turns on the clear switch 32, or 4 hours have passed, even when an operation switch 42 is turned off for a time and turned on again, the combustion stopped condition is not released. Also, when the operation switch 42 is turned on again, an alarm means is operated.
Patent JP-H01107314-A (JP)
Title: Magnetic head slider
Inventor: YAMADA TADAHARU
IPC: G11B5/60
Filed: 1987-10-20
Abstract: PURPOSE:To make a magnetic head slider small in size by providing two floating surface rails to a floating slider part, forming a groove separating the two floating surface rails with the aid of the back end of them, and joining the two floating rails with the aid of a magnetic core member. CONSTITUTION:The floating slider part 10 having the two floating surface rails 11 and 12, the magnetic core member 20 disposed in parallel with these two rails 11 and 12 and a coil 30 winded by the magnetic core member 20 are provided. Then, at the back end part of the rails 11 and 12, the groove 13 separating the rails 11 and 12 is formed and the rails 11 and 12 are joined to be connected over the groove 13 by the member 20. Therefore, as the coil 30 can be formed sideways, a size W always having more room than a size H can be used as the forming part of the coil 30. Thus, the whole magnetic head slider can be made small in size.
Patent JP-H02112801-A (JP)
Title: Universal rolling method and rolling machine for flanged shape steel
Inventor: KANO YUTAKA
IPC: B21B13/10
Filed: 1988-10-21
Abstract: PURPOSE:To decrease the deviation of a center and to improve productivity by rolling down the entire surface of the outside surface of a flange by perpendicular rolls of one rolling mill and simultaneously rolling down the top and bottom ends of the flange by the horizontal rolls of one rolling mill. CONSTITUTION:The 1st universal rolling mill is a conventional universal roughening mill and a step part is provided to the horizontal roll side part, i.e., small-diameter roll part 40 of the 2nd universal rolling mill. Reverse rolling is executed by these two universal rolling mills. The step part 40 is pressed to a part or the whole of the end edge of the flange and the flange is rolled down. The outside surface of the flange is rolled down over the entire surface by the perpendicular rolls 32 simultaneously therewith. A shearing deformation is generated in the neck part of the web and the flange in this way and the deviation of the center is eliminated.
Patent JP-2001094394-A (JP)
Title: Surface acoustic wave reflector
Inventor: TSUTSUMI JUN
IPC: H03H9/145
Filed: 1999-09-20
Abstract: PROBLEM TO BE SOLVED: To provide constitution capable of suppressing the first side lobe among the frequency characteristics of a reflector concerning a surface acoustic wave reflector. SOLUTION: A reflector consists of a piezoelectric substrate and plural perturbing members arrayed by the first period on a piezoelectric substrate, and free surface areas free from the perturbing members are formed plurally in the array of the perturbing members.
Patent JP-H03126361-A (JP)
Title: Picture reader
Inventor: KANESAKA YOSHINORI
IPC: H04N1/04
Filed: 1989-10-12
Abstract: PURPOSE:To read a picture with high quality at a high speed by revising a storage time of a photodetector or a lighting time in the storage time so that the light receiving quantity of the photodetector at the end of read of a block and the start of read of a succeeding block are made identical. CONSTITUTION:A light source with a temperature characteristic is used to divide a series of original into plural blocks and in the case of reading for plural number of times, the storage time of a photodetector or the light time in the storage time is revised so that the light receiving quantity of the photodetector at the end of read of a block and the start of read of a succeeding block are made identical. Thus, since a change in the luminous quantity of the light source at the read end point of the series of original and at the start point of read is corrected without preliminary lighting, a picture with high quality without joints is read at a high speed.
Patent JP-S61142443-A (JP)
Title: Method and apparatus for detecting nitrous acid ion
Inventor: NAGANUMA HITOSHI
IPC: G01N21/78
Filed: 1984-12-17
Abstract: PURPOSE:To enable the detection and determination of NO<->2 in a liquid to be inspected accurately in a short time, by bringing a liquid being inspected in contact with a powder or particulate carrier layer supporting naphtyl ethylenediamine and sulfanylamide to to measure the possible coloring and the degree of coloring of the carrier layer. CONSTITUTION:A solution in which 5g of sulfanylamide and 5g of naphtyl ethylenediamine chlorate are dissolved into 100ml of water is mixed with 50g of a carrier such as active alumina and after the mixture is filtered, it is dried by evaporating water to support both reagents on the surface of carrier particles. The carrier 2 is placed into a glass tube 1 having a cotton 3 packed into the lower open end thereof to obtain an NO<->2 detector having the cotton 3 packed onto the carrier. The lower end of the tube 1 is immersed into a sample liquid to measured possible coloring (red) due to the NO<->2 ion in the water sucked up by a capillary phenomenon and the length of the colored layer 4. Thus, the concentration of an object in the sample in found from the relationship between the concentration and the length of the colored layer previously obtained with respect to the known concentration sample thereby enabling the measuring of NO<->2 handily as well as accurately.
Patent JP-H03126944-A (JP)
Title: Leader conveying mechanism for developing device
Inventor: TSUKADA TADAHARU
IPC: G03D3/12
Filed: 1989-10-12
Abstract: PURPOSE:To accurately convey a leader and to reduce cost by guiding a leader which is released from being in an engaged state by an engagement releasing means from a lower part to an upper part by an arcuate guiding means and inverting the leader. CONSTITUTION:The leader which is conveyed from the upper part of a processing tank to the lower part of it is released from being in the engaged state by the engagement releasing means 90, and the leader is separated from a timing belt 86. The leader separated from the timing belt 86 is guided by arcuate guiding means 132A, 136A and 138A having a prescribed gap between the outer circumference of the timing belt 86 which is bent to be laid on the lower pulley and themselves, and then, the leader is inverted and conveyed to the upper part of the processing tank. Thus, the leader can be accurately and surely conveyed in the inverted state, and the need of an inversion roller can be eliminated, so that the processing tank can be miniaturized and the cost of production can be reduced.
Patent JP-2001095208-A (JP)
Title: Conductive sliding member
Inventor: SATO KAZUAKI
IPC: H02K13/00
Filed: 1999-09-20
Abstract: PROBLEM TO BE SOLVED: To provide a conductive sliding member which is improved in sliding characteristic in a structure, in which the pore sections of a porous body composed of a carbon material are filled up with a conductive phase. SOLUTION: This conductive phase, packed in the pore sections of a conductive sliding member formed in a porous body by using a carbon material, is composed of a reinforced Al-based composite material in which ceramic particles of <=5 μm in diameter are scattered in an Al or Al-alloy mother phase at a ratio of <=10 vol.% with respect to the conductive phase.
Patent JP-H05103895-A (JP)
Title: Abnormal vibration detector for washing machine
Inventor: IKEMIZU TOKIHIKO
IPC: D06F34/16
Filed: 1991-10-15
Abstract: PURPOSE:To detect also abnormal vertical vibration without fail when it occurs in a dehydrating tank. CONSTITUTION:Abnormal vibration of a dehydrating tank which is driven by a dehydrating motor 16 is detected by a first abnormal vibration detecting means and a second abnormal vibration detecting means. When one of these means detects out abnormal vibration, occurrence of abnormal vibration is determined. The first abnormal vibration detecting means is designed to detect abnormal vibration from movement of the dehydrating tank, while the second one is designed to detect based on rotation velocity detected by a rotation velocity detecting means 36.
Patent JP-H10111964-A (JP)
Title: Medium processor and its conveyance control method
Inventor: MIYAZAWA AKIYASU
IPC: B65H3/52
Filed: 1996-10-07
Abstract: PROBLEM TO BE SOLVED: To prevent the operability of an automatic machine from being spoiled by rotating a friction roller, which is pressed against a conveyor roller, reversely to the conveyance direction of a medium during its conveyance, and separating a conveyor-roller side medium and a friction-roller side medium from each other. SOLUTION: A suction motor 7 and a conveyance motor 8 are driven at the same time to clamp the medium with a conveyor roller 3A and carry it to a conveyor roller 3B. When the front end of the medium 2 is nipped by the nip part of the conveyor roller 3B, a friction separation roller 3b is rotated reversely to the conveyance direction and the one separated medium 2 is sent to a conveyor roller 3C. Further, when an optical read part 4 detects the front end of the separated medium 2, the suction motor 7 is stopped from being driven. Then the conveyance motor 8 is still driven thereafter and only the separated medium 2 is carried to the optical part 4 and a print head 5 and then guided to a collection box 6.
Patent JP-H03129698-A (JP)
Title: Method for driving matrix display device
Inventor: KOSAKA MASAHIRO
IPC: H05B44/00
Filed: 1989-10-16
Abstract: PURPOSE:To drive a matrix display device by means of a power supply of single polarity so as to reduce the withstand strength of a driving IC by alternately vibrating the electric potential of an electroluminescent panel near its threshold voltage, and adding a modulating voltage from a longitudinal and cross line driving IC to the display panel, and driving the panel by means of the differential voltage of them. CONSTITUTION:The reference electric potential of longitudinal and cross line driving IC 2, 3 is controlled in a floating state by respective switch elements 51 and 51, and 53 and 54. The IC 2, 3 are provided with respective logic power sources LVR and LVC and respective reference voltages GDR and GDC, and the IC3 is further provided with a switch 52 for grounding the GDC and an output power source VC and a high- voltage power source VH. are provided with a switch 51 and the IC2 also has switches 54, 53. The IC control signal CRT is added to the IC 2, 3 via photo couplers 4C, 4R and a signal M is added to each switch and an electroluminescent panel 1 is AC driven and one part of the signal CRT is controlled. When the reference voltage is set to near the threshold voltage of the electroluminescent panel the whole panel is AC driven near the threshold value and the modulating voltage is added to the reference voltage only in lighted picture elements. The withstand strength of the IC is possible only with the modulating voltage.
Patent JP-H11107880-A (JP)
Title: Fuel injection valve
Inventor: ARAI TAKAYUKI
IPC: F02M47/00
Filed: 1997-09-30
Abstract: PROBLEM TO BE SOLVED: To provide a fuel control valve to adjust the preload of an actuator to a proper value without lengthening size in a displacement direction even during high fuel pressure operation. SOLUTION: A fuel injection valve comprises an expansion controllable actuator 11; a plunger 15 to effect longitudinal movement according to expansion and contraction of the actuator 11; a differential pressure chamber 8 boosted through advance of the plunger 15 and reduced in pressure through backward movement of the plunger 15; a fuel pressure chamber 4 in which fuel is fed and which is communicated with a nozzle hole 5; and a needle valve 6 having a rear end to partition the differential pressure chamber and the fuel pressure chamber 4 from each other and advancing according to the increase of the pressure of the differential pressure chamber 8 and bringing the nozzle hole 5 into a closed state and moved backward according to lowering of a pressure and bringing the nozzle hole 5 into an opening state 5.  Further, the fuel injection valve comprises a back pressure chamber 20 formed on the back pressure side of the plunger 15 and exerting a pressure in a direction in which the plunger 15 is advanced; and a communication passage 21 communicated with the back pressure chamber 20 and the fuel pressure chamber 4.
Patent JP-H02113542-A (JP)
Title: Lead frame accommodating magazine
Inventor: OHARA HIDEAKI
IPC: H01L23/50
Filed: 1988-10-21
Abstract: PURPOSE:To enable the dealing of both magazines with the same conveying cart by providing a lead frame accommodation magazine with the same magazine-throwing-into mechanism as a wafer accommodation magazine. CONSTITUTION:The depth, the width and the height of a lead frame accommodation magazine are represented by A, B and C, respectively. The depth, the width and the height of a wafer accommodation magazine 2 are represented by D, E and F, respectively. In order to make one throwing-into mechanism of a conveying cart throw both of the lead frame accommodation magazine 1 and the wafer accommodation magazine 2 into a semiconductor manufacturing apparatus, the dimension of the lead frame accommodation magazine is so determined that the relations A=D and B=E are satisfied. Based on the inner diameter G of the lead frame accommodation magazine, the width H of one row is so determined that a plurality of lead frames are arranged in pallel as possible. Thereby, two kinds of magazine, i.e., the wafer accommodation magazine and the lead frame accommodation magazine, can be thrown into the semiconductor manufacturing apparatus by the conveying cart having only one kind of throwing-into mechanism.
Patent JP-H11100185-A (JP)
Title: Guide rail oil supply device
Inventor: SHIGETOMI NAGAMICHI
IPC: B66B7/12
Filed: 1997-09-30
Abstract: PROBLEM TO BE SOLVED: To provide a guide rail oil supply device which improves the service life of an oil holding sheet member. SOLUTION: A plurality of oil holding sheet members 1 are laminated and arranged in a main body case 10, and the oil holding sheet member 1 has a combination part in which a first sheet member 1a having reinforced fiber members 5a to 5c in contact with a guide face 23a of a guide rail 23 and a second sheet member 1b in which an enlarged cutout part 4 for inserting guide rail is formed so that it does not come in contact with the guide face 23a are alternately arranged.
Patent JP-H07122853-A (JP)
Title: Manufacture of circuit board
Inventor: OKAMOTO TOMOKI
IPC: H05K3/46
Filed: 1993-10-25
Abstract: PURPOSE:To provide a simple method wherein, when an insulating pattern is formed in such a way that a part of a first wiring pattern is exposed, the first wiring pattern is not affected harmfully and the surface of the formed insulating pattern is roughened sufficiently. CONSTITUTION:A coating layer composed of a photosensitive insulating resin is formed on a wiring pattern 6 which has been formed on an insulating board 1, the surface of the coating layer is chemically etched and treated, the surface is roughened, the surface is exposed and developed, and at least a part of the wiring pattern 6 is exposed. When an insulating pattern is formed on the first wiring pattern 6 which has been formed on the insulating board and other layers are laminated additionally on the insulating pattern, a chemical roughening treatment to the surface of the insulating pattern is executed before the insulating pattern is formed by developing the coating layer composed of the photosensitive insulating resin. Thereby, it is possible to prevent the first wiring pattern 6 from being affected harmfully due to its etching, and it is possible to form an extremely good roughened face.