baber/WOPTO huggingface dataset:
Patent JP-H0563075-A (JP)
Title: Manufacture of porous semiconductor layer
Inventor: YOSHIDA TAKASHI
IPC: H01L21/76
Filed: 1991-09-02
Abstract: PURPOSE:To obtain an uniformly porous semiconductor layer without contamina tion at a low cost, by forming a p-n junction part on a semiconductor substrate and soaking the substrate in a hydrofluoric acid and anodizing the substrate by radiating light to the substrate and forming a porous semiconductor layer. CONSTITUTION:A p-n junction part 12 is formed on a semiconductor substrate 11 and then the substrate 11 is soaked in a hydrofluoric acid 13. Next, the substrate 11 is anodized by radiating light to the substrate 11 from a light source 15, and a porous semiconductor layer 16 is formed. When light is radiated to the substrate 11, by an electric field caused by the p-n junction, electrons created on a depletion layer flow into an n-type part, while holes created on the layer flow into a p-type part. Since the n-type part, and the p-type part, are made short-circuited by the hydrofluoric acid 13, current flows from the p-type part to the n-type part in the hydrofluoric acid 13. Thus, the porous semiconductor layer 16 is formed can the p-type part in which current flows out, and is not formed on the n-type part in which current, flows in. As a result, the porous layer can be formed only on the p-type part by an electroless process.
Patent JP-H0887884-A (JP)
Title: Semiconductor memory
Inventor: KOJIMA MAKOTO
IPC: G11C11/41
Filed: 1994-09-16
Abstract: PURPOSE: To obtain a semiconductor memory in which the standby current is suppressed at the time of short circuit of bit line and word line using a transistor for regulating the word reset capacity while reducing current consumption and battery backup current at the time of operation. CONSTITUTION: A word reset transistor 3 comprises first and second transistors T9, T10 and a power supply voltage Vcc other than a boosting power supply (e.g. a voltage of about 1V which is higher by 0.2-0.5V than the threshold voltage of transistor) is applied as a base voltage VGLEAK to the second transistor T10 thus enhancing the word reset capacity of the word line reset transistor 3. This constitution realizes low current consumption as compared with a case where a low efficient boosting power supply is employed as a driving power supply.
Patent JP-S6463825-A (JP)
Title: Temperature monitoring apparatus
Inventor: INOUE NAGAKAZU
IPC: G01K7/00
Filed: 1987-09-03
Abstract: PURPOSE:To monitor the temperatures at the different positions at one place in a concentrated mode, by imparting specifying address codes to a plurality of end temperature measuring end parts, which are provided at the positions where the temperature are to be monitored, and sending out the signals related to the obtained temperatures to signal transmitting paths through the interface of a communications device. CONSTITUTION:A composite cable 2 is provided with two pieces of different metal wires 2D, a compensation wire 21D, an address wire 2A and the like. The cable 2 is extended. Address codes are transmitted to the address wire 2A from the base end part of the cable 2. The temperatures of the arranged positions of temperature measuring terminal parts 3 that are specified with the address codes and the surface temperatures of a power cable PC in the vicinities of said arranged positions are measured at the side of the base end part of the composite cable 2 in a concentrated mode. Therefore, it is not necessary to extend compensating conductors from the positions, whose temperatures are to be measured.
Patent JP-2000055320-A (JP)
Title: Reinforcing bar connecting gas burner
Inventor: SATO SHIGERU
IPC: F23D14/58
Filed: 1998-08-05
Abstract: PROBLEM TO BE SOLVED: To effectively heat a butting part of a reinforcing bar by forming a reinforcing bar enclosure of a support tube communicating with a combustion gas supply tube in a shape of a circular arcuate, circular shape or the like for surrounding the butting part of the bar to be connected, and forming a plurality of tips of air outlets provided at an inner periphery of the enclosure of the tube in an elliptical shape. SOLUTION: The reinforcing bar connecting gas burner 1 comprises a connecting port 2 of a combustion gas supply tube, a support tube 3, tips 4 and a heat reflecting plate 5. The tube 3 is a hollow tube having a base 3a formed by folding in a U shape, and circular arcuate reinforcing bar enclosures 3b, 3c oppositely surrounding from both sides to butting parts of the bars to be connected and continuously provided at an end of the base 3a. The tips 4 are connected at a predetermined interval to the enclosure 3b. The three tips 4 are respectively mounted toward the bar. Each of the tips 4 has a communicating hole 4a and an air outlet 4b which is formed in an elliptical shape radially at the enclosure 3b.
Patent JP-H0888403-A (JP)
Title: Optical semiconductor device
Inventor: NISHIBE TORU
IPC: H01L21/31
Filed: 1994-09-16
Abstract: PURPOSE: To provide an optical semiconductor device which has an inexpensive structure containing a large amount of Al with secular changes of light emitting intensity restrained. CONSTITUTION: A light emitting diode made of GaAlAs has a p-clad layer 14 made of Ga0.3 Al0.7 As, an active layer 16 made of Ga0.65 Al0.35 As, and an n-clad layer 18 made of Ga0.3 Al0.7 As. Light transmitting surface portions of the clad layers 14 and 18 with a high Al content are modified to AlF3 . The modification is achieved by treating the light emitting diode with activated species in a plasma.
Patent JP-S59113892-A (JP)
Title: Purification of crystalline substance
Inventor: AKIYAMA HIROSHI
IPC: B01D9/02
Filed: 1982-12-20
Abstract: PURPOSE:To obtain a purified crystallizable substance in high purity and recovery, by crystallizing and purifying the crystallizable substance with a purifying column composed of an outer cylinder and a perforated inner cylinder inserted into the outer cylinder interposing a gap therebetween. CONSTITUTION:A crystallizable substance such as solanesol is crystallized and purified by using a purification column composed of the outer cylinder 2 and the perforated inner cylinder 7 which is inserted in the outer cylinder with a gap of about 2-15mm.. The distance between the perforations of the effective inner cylinder is 0.14-0.8mm.. Crystals having high purity can be prepared in high recovery preventing the falling off of the layer of the crystals from the inner wall 2c of the purification column 2.
Patent JP-H0967890-A (JP)
Title: Placing method for gradient concrete slab
Inventor: NAKAMURA RYUICHI
IPC: E02D29/045
Filed: 1995-08-30
Abstract: PROBLEM TO BE SOLVED: To prevent a gradient concrete slab from hanging down and increase the working efficiency and the safety, by attaching a hexagonal metal net on reinforcements on the lower form and placing concrete by use of round separators erected at right angles as a ruler. SOLUTION: A number of upslope lower forms 1 are arranged from the upper end 20 of the continuous underground wall of a cylindrical underground storage tank to the center, at the peripheral part. And reinforcements 2 are longitudinally and laterally arranged on the placed concrete face 1a. Round separators 5 are erected at right angles to form a checked pattern on the placed concrete face 1a and a hexagonal metallic net 3 is laid on the reinforcements 2 to cover the placed concrete face. The concrete face is peripherally divided into many areas and concrete mixed with a high performance-AE water reducing agent is simultaneously placed on the whole area to bury the hexagonal metallic net, while retaining a wet condition by spraying water.  And then, the concrete is compacted with vibrators, the concrete height H is adjusted by use of precast concrete 5b of the round separator 5 as a standard. And then, the surface 4a is finished with a trowel to form a roof 100.
Patent JP-S6464302-A (JP)
Title: Manufacture of electronic component
Inventor: MASUYAMA KAZUNORI
IPC: H05K3/18
Filed: 1987-09-04
Abstract: PURPOSE:To prevent the occurrence of the defect and the exfoliation of a resist, and to eliminate the deterioration of the characteristic of an electronic component by treating the surface of a substrate including a circuit function section with silane coupling agent or silicon primer and coating it with plating resist. CONSTITUTION:Base electrodes 5, 5, 6 for forming terminal electrodes are formed by printing, baking silver paste at the end of a substrate 1. The substrate 1 is dipped in a silane coupling agent. i,e., dipropyltrimethoxysilane diluted to 0.01-2% with ethanol as the diluent in the previous step of barrel-plating the electrodes 5, 5, 6, and dried. Then the substrate 1 is coated with plating resist except the electrodes 5, 5, 6, and a resistor 2 and a collector electrode 3 are masked. Thus, the substrate 1 masked by the plating resist is contained in a barrel plating vessel, nickel-plated 2mum thick, then tin-plated 3-4mum thick, totally barrel-plated for 90min, and the two plating layers are formed on the electrodes 5, 5, 6 as terminal electrodes.
Patent JP-H04348298-A (JP)
Title: Changing mechanism of direction of water channel in peripheral part of running water hole of thimble tube
Inventor: ODA KAZUO
IPC: G21C3/326
Filed: 1991-05-25
Abstract: PURPOSE:To change the direction of a water channel in the peripheral part of a running water hole of a thimble tube of a fuel assembly. CONSTITUTION:A changing mechanism 1 of the direction of a water channel, of which the upper part has an opening A and a cylindrical shape and covers the outer peripheral lateral side of a running water hole 3 and of which the lower part has a cylindrical lateral side tapered from the vicinity of the lower part of the running water hole 3 so that a thimble tube 2 is made to have a blocked-up structure for cooling water so as to prevent the cooling water from flowing into the thimble tube 2, is provided in the peripheral part of the running water hole 3 in the lower part of the thimble tube 2.
Patent JP-S6465415-A (JP)
Title: Multiple rotation type absolute value encoder
Inventor: NAGASE TAKASHI
IPC: G01D5/249
Filed: 1987-09-05
Abstract: PURPOSE:To accurately detect multiple rotation with simple constitution by using a detection signal from <=(N-1) tracks on the side of the most significant digit bit of the detection signal of the absolute value encoder. CONSTITUTION:An LED 81 projects light on slits of high-order two bits on the most significant digit bit side of a Gray code and an LED 82 projects light on slits of low-order two bits. Further, waveform shaping circuits 61-64 shape signals detected with the Gray code into rectangular waves, which are outputted as absolute value signals of <=1 rotation through a balanced type line driver circuit 71. Signals of the high-order two bits of the Gray code, on the other hand, are inputted to a rotating direction discriminating circuit 9 from the circuits 61 and 62 and inputted to a counter circuit 5. The circuit 5 obtain a 4-bit binary code output with a rotating direction detection signal B detected by a circuit 9 and a signal A obtained by detecting the quantity of rotation for generating one pulse by one turn, and multiple rotation up to 16 rotations is detected by outputted from a balanced type line driver circuit 72.
Patent JP-H04105715-A (JP)
Title: Device for forming auger blade
Inventor: MOCHIZUKI FUKUTARO
IPC: E02F5/02
Filed: 1990-08-24
Abstract: PURPOSE:To form a uniform spiral shape by providing a 1st mounting plate supported to a 1st supporting axis, a 2nd mounting plate supported to a 2nd supporting axis and a fixing means mounted on one side of these 1st and 2nd mounting plates and clamping the neighborhood of a slit on an annular original plate. CONSTITUTION:A movable body 6 is moved by an operating means and the 2nd mounted plate 27 supported on the movable body is faced to the 1st mounting plate 25 supported on a base 4 and approached to it. The slit part 2a of the annular original plate 2c is clamped respectively to the fixing means 29,30 mounted on the 1st and 2nd mounting plates. The operating means is operated to move the movable body and when the 2nd mounting plate is separated a prescribed amount from the 1st mounting plate, the annular original plate is expanded from the slit part to the axial direction to form a spiral shape, therefore, an eccentricity L is generated between the 1st supporting axis 16 projected on the base and 2nd supporting axis 21 projected on the movable body and a spiral auger blade generates a twisting force to the inside. Since the 1st and 2nd mounting plates turn smoothly with the twisting force of the auger blade, the precise auger blade can be formed.
Patent JP-H0968587-A (JP)
Title: Reactor container
Inventor: NARUSE YOSHIHIRO
IPC: G21C13/00
Filed: 1995-08-31
Abstract: PROBLEM TO BE SOLVED: To provide a reactor container in which the material quantity is reduced by the simplification and reduction in number of flange and gazette, in a reinforced concrete head sleeve for reactor container, and the manufacturing property and efficiency in working in site are also improved. SOLUTION: This container is made of reinforced concrete, and a head sleeve 5 to be connected to a reinforced concrete top slab 11 is formed of upper and lower flange plates 14, 15 provided on the upper and lower ends, and a plurality of gazette plates 16, 17 fixed to the upper and lower flange plates 14, 15 and the periphery of the head sleeve 5. The dimension and number of the gazettes have the relation of (thickness of gazette plate: mm unit)×(flange welding part dimension of gazette: mm unit)×(number of gazettes) >>= a regulated value.
Patent JP-2001020844-A (JP)
Title: Tidal wave power generating method
Inventor: TAKAOKA MICHIO
IPC: F03B13/22
Filed: 1999-07-01
Abstract: PROBLEM TO BE SOLVED: To generate a large electric power by collecting many waves and increasing a reciprocating air flow rate in an air chamber. SOLUTION: A high pedestal 6 is built on a shore or an off-shore, a water tank 1 is installed thereon, and an opening wall 2 pointing to an open sea is provided with a divergent side wall and an inclination bottom 4 to produce the concentrated effect and the shallow effect of a tidal wave. The divergent inclination bottom 4 is structured such that, for example, the long pieces of comb-tooth-form bottom plates positioned facing each other are engaged in an inserting state with each other and mounted alternately on two side walls, the inclination angle of the bottom is also changed according to the width thereof and the height of the pedestal and the height of an artificial small tidal wave is freely controlled.  This constitution widely collects waves and more increases a wave height, as the more the wave approaches the water tank 1, pumps up water from the opening wall 2, moved according to a storage water level, to the water tank 1, and rotates a water turbine 7 by continuously running a large quantity of waves after dynamic energy of waves is converted to energy in a static position to generate a large electric power.
Patent JP-S59113250-A (JP)
Title: Secondary-air controlling apparatus for engine
Inventor: FUJIMURA AKIRA
IPC: F02M23/10
Filed: 1982-12-21
Abstract: PURPOSE:To feed intake air to an intake pipe at the rate most suited for the operational conditions of an engine, by providing two secondary-air control means and operating one of the two control means operated in response to one operational conditions of the engine independently of the other control means which is operated in response to other operational conditions of the engine. CONSTITUTION:An air supply passage 1 has an air control valve 5 for opening and closing the passage 1, and a vacuum chamber 6 is communicated with an intake pipe 3 via a first vacuum passage 8 and a secondary vacuum passage 9. The first vacuum passage 8 has a valve 11 which is operated in response to the temperature of engine cooling water while the second vacuum passage 9 has a vacuum control valve means 12. Further, a shot-air valve means 10 is provided at the connecting section of the first and the second vacuum passages 8, 9. Here, arrangement is such that the air control valve 5 is operated at the time of deceleration, gear change or slight deceleration of the engine for opening the passage 1.
Patent JP-H0968230-A (JP)
Title: Manufacture of ceramic bearing
Inventor: TSUGAWA TAKUJI
IPC: F16C33/24
Filed: 1995-08-31
Abstract: PROBLEM TO BE SOLVED: To enable even a user to easily manufacture a ceramic bearing with its inner surface smooth and highly precise by dispensing with the finishing process such as grinding for reduction in manufacturing cost. SOLUTION: The polyurethane resin ceramic bearing 5A of normal temperature hardening type is poured and hardened between an inner circumferential surface of a metallic shell 1 and an outer circumferential surface to which the releasing agent 3 of a core 2 is applied in the condition in which the metallic shell 1 is positioned and held in a concentric manner with the core 2 in which the releasing agent 3 is applied to the outer circumferential surface so as to obtain the outer diameter equal to the finished inner diameter of the rubber bearing to be manufactured. A cylindrical ceramics body to be fitted and fixed to the inner circumferential side of the metallic shell 1.
Patent JP-S63157803-A (JP)
Title: Method for producing plate shaped product from granular material
Inventor: JIYON BERISU
IPC: B22F7/04
Filed: 1987-09-08
Abstract: A process for producing flat products from gas atomised particulate material comprises the steps of forming a relatively smooth castable slurry comprising a suspension of such particulate material in a solution of a film-forming binder material, depositing a coating of the slurry onto a substrate or support surface and drying the coating to form a flexible flat product. The dried flat product may be bonded onto the substrate or support surface by the drying process or, alternatively, may be removed therefrom and roll-bonded to a suitable substrate for subsequent compaction and sintering.
Patent JP-H04105657-A (JP)
Title: Purifying method
Inventor: NAGAURA YOSHIAKI
IPC: A61L2/02
Filed: 1990-08-23
Abstract: PURPOSE:To achieve even higher growth rate than normal condition in fish, plants and the like with high effect for treatment of various diseases by running current into a water bath liquid, blood or soil. CONSTITUTION:An electrode 4 is injected into a blood vessel 1 of a human body and a very small amount of current in noway affacting the human body and the current exists in the blood and other parts of the human body. As a result, microorganism such as bacteria and virus or eumycetes as cause of dermatophytosis or tubercule bacillus can be killed. The sterilization for leprosy syphlis and the like is possible. Other bacteria can be exterminated. The electrode is provided in a water tank 6 to run current and ammonia discharged from fish is turned to ammonium ions thereby making the condition in the water tank relatively less poisonous. Thus, fish can live in the tank regardless of rise in density of ammonium ions in the aqueous solution.
Patent JP-H04105040-A (JP)
Title: Measuring device for attaching force of granular substance
Inventor: YAMAMOTO YASUNORI
IPC: G01N19/04
Filed: 1990-08-24
Abstract: PURPOSE:To measure the attaching force of each particle simple and accurately by attaching particle as specimen to a test surface, applying a tensile force, and sensing the tensile force at the moment the specimen particle is going to separate from the test surface. CONSTITUTION:Group of particles as specimen are approached to a holding jig 6, and a vacuum device 23 is operated to allow the jig 6 to attract one specimen particle 24 and hold. A load device 3 is driven by a jig vertical driving circuit 10 to sink the jig 6 slowly, and particle 24 contacting an attachment specimen 26 having a surface to undergo attachment test is sensed from change in the sinking speed of the jig 6, and attachment is made to the test surface of the specimen 26 with a prepressure applied. If the jig 6 is pulled up, the jig6 remains without displacement change while the particle 24 is attached to the specimen 26, but will displace upward largely if the tensile load enlarges by and by to cause particle 24 separating from the attachment surface. The displacement change at this time is sened by a displacement sensing device 9, and the load at the displacement change point is determined, and thereby the attaching force of the specimen particle can be measured.
Patent JP-H0541966-A (JP)
Title: Method for drying laver leaf
Inventor: KONO KOZO
IPC: A23L17/60
Filed: 1991-08-09
Abstract: PURPOSE:To obtain a laver having flavor so as to improve palatable feeling in dried laver and so as not to be impaired of the flavor. CONSTITUTION:Leaf of laver picked off is washed with a salt water having a salt concentration in the range of 0.5% to 4.0% or sea water and then dried.
Patent JP-H01199432-A (JP)
Title: Method and apparatus for washing , rinsing and drying silicon wafer
Inventor: RITSUKII BII SUTETSUKU
IPC: H01L21/00
Filed: 1988-09-08
Abstract: PURPOSE: To provide a rational integrated system for efficiently washing, rinsing, and drying thin wafers at the same time, by allowing wafers to be washed and dried while passing a sound wave energy area in a hot nonionic water bath and then allowing them to be dried while gradually lifted out of the hot nonionic water. CONSTITUTION: A cassette 25 housing wafers 24 is submerged in a bath 10, and, in order that an upward thin layer flow is caused in the entire bath 10, a hot and pure nonionic water is injected through a diffuser 11 at a bottom part to be overflown out of the periphery part of the path 10, and a converter 15 makes the water in the bath 10 cause a sound wave energy beam. Then, the wafers 24 are raised gradually outside the cassette 25 by a lift element 30, and gradually moved through the sound wave energy beam under the water, further, the wafers 24 are gradually lifted through the surface of the hot nonionic water in the bath 10. Then, with rising of a keeping plate 20, the cassette 25 is gradually lifted, so that, the wafers 24 are housed again at a position above the hot nonionic water surface.
Patent JP-H0968778-A (JP)
Title: Spool and winding structure for photographic film
Inventor: TERAUCHI MINORU
IPC: G03C1/765
Filed: 1995-08-31
Abstract: PROBLEM TO BE SOLVED: To easily wind a film on a spool inside a darkroom, to reduce loss of the area of the film capable of being photographed, and to increase the length of the film wound to the spool so as to increase the number of photographing without making the film end protrude from the spool, which causes pressure fogging to occur, even if the external diameter of the spool is reduced or the film base is thinned. SOLUTION: The spool 13 for the photographic film having the photographic film 11 wound on a winding shaft 13a is provided, so that a pair of locking projections 14 and 15 are exposed on the external periphery of the shaft 13a, and also a protruding part 23 having a smooth surface by which the wound film 11 does not abut on the projections 14 and 15 is formed on the external periphery on this side of the projections 14 and 15 toward a film winding direction.