baber/WOPTO huggingface dataset:
Patent JP-S63278268-A (JP)
Title: Dynamic random-access memory cell
Inventor: ANDO TOMOSHI
IPC: H01L27/108
Filed: 1987-03-10
Abstract: PURPOSE:To enhance the storage capacity of a trench capacitor by a method wherein a cell plate inside a trench is extracted and connected to a surface electrode and an intermediate potential is impressed. CONSTITUTION:An insulating layer 3 is formed on a side wall inside a trench 2 in a semiconductor substrate 1; a storage capacitor is formed inside the trench 2 by using a cell plate 4, a dielectric layer 5 and a storage node 6. After the trench 2 has been formed, a p<+> region 1PP is formed in order to prevent a depletion layer from being spread. A source region and a drain region 1A, 1B constitute a FET where word lines 12 as gates become transfer gates. The region 1B is connected electrically to the storage node 6. The cell plate 4 is insulated from the storage node 6, is extracted by piercing the storage node 6, and is connected electrically to an intermediate potential electrode 4A formed on the surface of the substrate. Through this constitution, it is possible to avoid a floating phenomenon of the transfer gates, to increase the capacitance of a capacitor and to enhance a noise-resisting characteristic and the reliability of a cell.
Patent JP-H07245952-A (JP)
Title: Power supply device for traveling-wave tube
Inventor: HASHIMOTO KAZUAKI
IPC: H02M1/12
Filed: 1994-03-01
Abstract: PURPOSE:To limit the ripple in an output circuit without the need of an increase in capacitance. CONSTITUTION:The secondary winding 4 of a transformer 3 driven by a high-frequency inverter 1 is connected to a bridge rectifier circuit 17 by the transformer 3, and used as a cathode for a traveling-wave tube 43 and a collector power terminal. The secondary winding 4 of the transformer 3 is also bonded with a multistage voltage double rectifier circuit 45, one end of the output terminals of the rectifier circuit 45 is joined with the cathode, and the other end is connected to a helix while being bonded with a ground 41. The leading-out lines 5, 7 of the secondary winding 4 of the transformer 3 are covered with a shield 9, and the shield 9 is joined with a cathode output terminal 29. The shield 9 is connected to the cathode output terminal 29 as a reference potential point, thus reducing the value of a high-frequency ripple.
Patent JP-H08225186-A (JP)
Title: Paper feeder and image forming device
Inventor: NISHIHATA ATSUSHI
IPC: G03G15/00
Filed: 1995-02-20
Abstract: PURPOSE: To reduce collision noise or abnormal sound generated when paper collides against a reversing curved face in a reversing guide member by means of simple constitution. CONSTITUTION: A paper feeder is provided with a mounting table 5 on which paper 2 is placed, a paper feeding roller 3 feeding the paper 1 placed on the mounting table 5 in the preset direction, and a reversing guide member 8 provided with a substantially recessed reversing curved face 81 reversing the feeding direction of the paper 1. An auxiliary guide member 15 rotating so as to project/ retract to/from the vicinity of the reversing curved face 81 in the reversing guide member 8 is arranged.  The auxiliary guide member 15 is rotated so as to project from a retraction position toward the reversing curved face 81 by means of conveying force of the paper 1 conveyed by means of the paper feeding roller 3, and the rear end of the paper 1 is pressed so as to be guided in the direction, in which the end part of the paper 1 is separated from the reversing curved face 81, by means of its own elastic force when the paper 1 passes through the reversing curved face 81.
Patent JP-H02236392-A (JP)
Title: Renewal method for laid pipe tunnel
Inventor: TAKENOUCHI YASUAKI
IPC: F16L1/024
Filed: 1989-03-09
Abstract: PURPOSE:To prevent in advance the causing of a ground collapse due to the ingress of underground water and sediments into an internal space and a drilling machine by applying pressure to a space between a plug for closing the internal space and the front area of the drilling machine. CONSTITUTION:A sludge disposal device 3 and a pump 12 are provided on the ground. One end of a sludge discharge hose 10 is connected to the pump 12 via a hose reel 14 and the other end of the hose 10 in an existing pipe tunnel 1 is positioned in front of a drilling machine 11. Also, a sludge transfer pump 21 is installed on the ground for the supply of sludge to a shaft 6 via a sludge pipe 22, until a sludge level becomes equal to or above an underground water level (or normally 2 meters plus underground water level), thereby applying fluid pressure to the inside of the pipe tunnel 1 and the neighborhood thereof for stabilizing a foundation (ground).
Patent JP-H02234465-A (JP)
Title: Semiconductor memory and manufacture thereof
Inventor: ISHIJIMA TOSHIYUKI
IPC: H01L27/10
Filed: 1989-03-07
Abstract: PURPOSE:To obtain memory cells suitable for high integration by a method wherein the first and second charge storing electrodes of first and second memory cells adjoining each other and having no common contact holes are formed over the first and second memory cell regions with a first capacitive insulating film, a facing electrode and a second capacitive insulating film between. CONSTITUTION:The capacitance part of a first memory cell 31 is composed of a first storing electrode 10 connected to a first diffused layer 5, a facing electrode 13 and a first capacitive insulating film 12 between them. The capacitance part of a second memory cell 32 is composed of a second storing electrode 18 connected to a second diffused layer 6, the facing electrode 13 and a second capacitive insulating film 14 between them. The first and second gate electrodes 4 and 4' of the switching transistors of the first and second memory cells 31 and 32 are connected to work lines and control charge transfer between third diffused layers 7 and 7' connected to a bit line 23 and the first and second storing electrodes 10 and 18. With this constitution, fine semiconductor memory cells suitable for high integration can be obtained.
Patent JP-H01229220-A (JP)
Title: Guide tube for endoscope
Inventor: SAKAMOTO NOBUYUKI
IPC: A61B1/00
Filed: 1988-03-09
Abstract: PURPOSE:To change the position and direction of the insertion part of the endoscope without using any auxiliary tool by fixing the guide tube to the endoscope by an axially expansible means and jetting high-pressure liquid from a nozzle provided to the guide tube. CONSTITUTION:When the internal wall part of a tank 31 is inspected, the insertion part 21 of the endoscope 2 is inserted into the guide tube 1 and guided in the tank 31 through piping 32. At this time, the nozzle 16 of the guide tube 1 is made to face down and landed on the bottom surface in the tank 31. The high-pressure air is sent to the nozzle 16 through an air feed tube 19 and jetted to hold the insertion part 21 at an optional floating position with its thrust. Further, the tip of the extension part 4 is extended from (a) to (b) to move the tip of the guide tube 1 from A to B. Then when desired height is obtained, the connection part 35 of small-diameter pipes 33 and 34 linked with the tank 31 or an internal wall part is inspected.
Patent JP-H01228731-A (JP)
Title: Manufacture of fie
Inventor: SAKAMOTO KOHEI
IPC: B23P15/24
Filed: 1988-03-09
Abstract: PURPOSE:To make it possible to manufacture a highly durable die with a high degree of accuracy in a short time on a multiproduce and small-number production base by hot-hobing an ultraplastic blank under a ultraplastic condition with the use of a hob-master. CONSTITUTION:A pattern having the same shape as a final product to be pro duced, is formed, and is molded with silicone rubber so as to obtain a master molding die which is used in a casting method for producing a hob-master. That is, a sol-master material 3' which is obtained by mixing colloidal silica into a dental ceramic filling material is charged in the master molding die 2, and after curing, it is fired at 1,000 deg.C in a furnace so as to obtain a hob- master 3 having a forming surface 3a of the same shape as that of the pattern. This hob-master 2 and an aluminum bronze blank 4' are set on a hobing machine 5, and are then heated to 800 deg.C while the hob-master is pressed against the die blank 4' so as to produce a die 4 having a cavity 4a before it is heat- treated.
Patent JP-S58172045-A (JP)
Title: Clock signal extracting device
Inventor: TAKEGUCHI YORIYASU
IPC: G11B20/14
Filed: 1982-04-02
Abstract: PURPOSE:To obtain an invariably optimum reproduced clock signal from a modulating signal, by varying a frequency division ration according to data stored in a read-only memory and extracting a clock signal component from a modulated signal. CONSTITUTION:An EME signal A read out of a PCM audio disk is supplied to a counter circuit 4, which counts a high-level and a low-level section; and a maximum detecting circuit 5 compares the count result with the last counted value to find the period of a maximum inversion section, which is held in a maximum holding circuit 6. The counted value of the maximum inversion section is regarded as an address value of the read-only memory 1 to output a proper frequency division ratio and a frequency divider 8 performs frequency division to supply the result to a PLL circuit 9. Therefore, the reproduced clock signal outputted from a PLL circuit 9 has a period obtained by dividing a period F by the frequency division ratio of the frequency divider 8 without fail, so the frequency division ratio is set properly to obtain the reproduced clock signal C proportional to the EMF signal A.
Patent JP-H02280912-A (JP)
Title: Extrusion die for metallic material
Inventor: OKI YOSHINARI
IPC: B21C25/02
Filed: 1989-03-08
Abstract: PURPOSE:To reduce the breakage rate to occurrence of cracks on the side of a chamber of a male die, etc., by forming the whole billet pressure surface for a male die in the projecting shape like a polyhedric die composed of a hemispherical surface or a surface polygon. CONSTITUTION:The metallic billet 12 is pushed to the billet pressure surface 2c for the male die 2 and flows under plastic deformation, e.g. in four (sometimes two or three) ports 9. When the billet passes through the inside of the chamber 6 and then is extruded forward from an extrusion hole 5, a hollow extruded material having a section shape corresponding to the shape of the extrusion hole 5 is obtained. The whole billet pressure surface 2c of the male die 2 is formed so that the pressure surface makes a projecting shape projecting to the metallic billet 12. The metallic billet 12 gives a centripetal pressure to the pressure surface 2c, compression stress is added to the side of the chamber 6 of a bridge part 2b, consequently cracks can be suppressed from being generated and developed.
Patent JP-H05213494-A (JP)
Title: Winder pushing roll
Inventor: WADA FUMIO
IPC: B65H19/22
Filed: 1992-02-07
Abstract: PURPOSE:To provide a winder pushing roll capable of sufficiently dealing with unevenness formed in the surface of a film product in winding the film product onto a core. CONSTITUTION:In a winder pushing roll wherein a roll of film product is wound as the surface of a pushing roll 22 is pressed against the roll of film product by pressing the shaft 27 of the pushing roll 22, the surface of the roll ring 26 of the pushing roll 22 is coated with an inner layer body 31 and the surface of the inner layer body 31 is coated with a surface layer body 32, the hardness of the inner layer body 31 being smaller than that of the surface layer body 32.
Patent JP-H03257867-A (JP)
Title: Solid-state image sensing device
Inventor: KANEDA OSAMU
IPC: H01L27/146
Filed: 1990-03-07
Abstract: PURPOSE:To effectively prevent concentration of field to an edge section of a wiring layer by forming a photoelectric transfer layer thinner on an inner section excepting both edge sections of the wiring layer than on both edge sections of the wiring layer. CONSTITUTION:A photoelectric transfer film 8 is formed thinner on an inner section excepting an edge section 12 of a wiring metal 7 on an insulating layer 6 and the wiring metal 7 than on other sections. An end 11 of a recessed section which is a stepped section of a boundary section between the photoelectric transfer film 8 formed on an inner section of the wiring metal 7 and the photoelectric transfer film 8 formed on other sections is thereby formed smooth. As for manufacture method, after the photoelectric transfer film 8 of a uniform film thickness is formed on the insulating layer 6 and the wiring metal 7, the photoelectric transfer film 8 formed on an inner section of the wiring metal 7 is etched by a specified thickness to form a recessed section 10. An edge 11 of the recessed section is formed to a smooth shape in this way; thereby, field generation in a section of the wiring metal 7 relevant to a lower part of the recessed section 10 is stronger than in other sections and field applied to an entire of the wiring metal 7 is made uniform.
Patent JP-H0626162-A (JP)
Title: Extrusion-molded stair tread and manufacture thereof
Inventor: YOKOMORI KIYOFUMI
IPC: E04F11/02
Filed: 1992-02-06
Abstract: PURPOSE:To prevent the exposure of an outside surface of a stair tread mounted to an open string and, what is more, to simplify a manufacturing process in terms of stair treads which from a staircase mounted t the open string. CONSTITUTION:A tread plate 1 and a riser plate 2 which rises from one side of the tread plate 1 are extrusion molded in one piece, thereby forming a stair tread main body 3. Reinforcing pipes 5 are buried at proper locations on the stair tread main bodies 3 over the whole length in the longitudinal direction while hollow sections 4 are formed. The inner wall of the reinforcing pipes on both ends are threaded, thereby forming an extrusion-molded stair treads 7.
Patent JP-S63223012-A (JP)
Title: Optical disk substrate
Inventor: NAGURA SHIGEHIRO
IPC: G11B7/2533
Filed: 1987-03-13
Abstract: PURPOSE:To obtain the titled substrate, consisting essentially of a specific polytriorganovinylsilane, having excellent light transmittance and heat resistance, low moisture absorption property without changing shape and deteriorating quality even in preserving under various environments for a long period and used for a high-density and large-capacity recording method. CONSTITUTION:The aimed substrate consisting essentially of a polytriorgano vinylsilane expressed by formula I (R1-R3 are 1-6C monofunctional hy drocarbon; n>=1,000). The polymer expressed by formula I is produced by anionic polymerization of a triorganovinylsilane expressed by formula II as a raw material monomer in the presence of n-butyllithium as a catalyst at 50-70 deg.C in an inert gas atmosphere for 20-50hr.
Patent JP-H03259593-A (JP)
Title: Flexible printed wiring board and chip component attachment method
Inventor: SOMEYA KEISUKE
IPC: H05K1/00
Filed: 1990-03-09
Abstract: PURPOSE:To enhance the reliability of a chip-component attachment operation by a method wherein a thermoset resin is formed on a position corresponding to a chip-component mounting position on a face opposite to a mounting face on which a chip component is mounted on a flexible printed wiring board. CONSTITUTION:A flexible printed wiring board 1 is provided with a face A on which chip components 2 are mounted; copper-foil parts of wiring patterns on the mounting face A are plated with a solder; electrode lands are formed. A creamy solder is printed on the electrode lands; the chip components 2 are attached temporarily on to them by the adhesive power of the creamy solder. Positions corresponding to mounting positions of the chip components 2 on a face B opposite to the mounting face A of the wiring board 1 are coated with, e.g. an epoxy-based thermoset resin 3. The wiring board 1 to which the chip components 2 and the thermoset resin 3 have been attached temporarily are made to reflow in a state that it is supported by a supporting tool 4 provided with supporting protrusions 5 used to leave a space so that the thermoset resin 3 is not bonded; the chip components 2 are attached to the electrode lands and the thermoset resin 3 is dried simultaneously.
Patent JP-H09241694-A (JP)
Title: Anionic surfactant, high-bulk density granular anionic surfactant, high-bulk density granular detergent composition and their production
Inventor: FUKUTOME SHINICHI
IPC: C09K23/08
Filed: 1996-03-13
Abstract: PROBLEM TO BE SOLVED: To obtain an anionic surfactant excellent in detergency, biodegradability and solubility at low temperatures, and applicable to detergents for clothing, by mixing an α-sulfofatty acid alkyl ester, a fatty acid (salt) and a specified amount of an alkali neutralizing agent together to effect neutralization. SOLUTION: This anionic surfactant is obtained by mixing together (A) an α-sulfofatty acid alkyl eater such as a compound of the formula (R1 is a 8-22C alkyl; R2 is a 1-3C alkyl), (B) a fatty acid (salt) such as a compound of the formula RCOOM [R is a 9-17C alkyl or alkenyl; M is H, a monovalent- equivalent alkali (alkaline earth) metal or (substituted) ammonium] and (C) such an amount of an alkali neutralizing agent (e.g. powdery one) as to be at least equivalent for neutralizing both the components A and B to effect neutralization and contain the fatty acid salt >=0.2 in the weight ratio of the unsaturated fatty acid group to saturated fatty acid group in the weight ratio at 0.1-1 based on the salt of the component A.
Patent JP-H11258109-A (JP)
Title: Method and device for measuring light distribution characteristics of light-transmission member, and of building interior material
Inventor: OOYAMA YOSHINAGA
IPC: G01J1/00
Filed: 1998-03-09
Abstract: PROBLEM TO BE SOLVED: To measure transmission light quantity of a light-transmission member of multi-layer composite material, to measure transmission light quantity when incident angle of light is other than 90 deg.C, and to measure transmissivity of light of various wavelength. SOLUTION: Multiple photo-detecting parts 12 are distributed on a concave spherical surface 14 to form a light-quantity measuring device 1, and a supporting device 2 for supporting a light-transmission member 21 is provided at a position including a center O of the concave spherical surface 14, with at least the supporting device 2 allowed to be tilted relative to light-transmission angle at the light-transmission member 21.  At the photo-detecting part 12, the transmission light quantity of the light-transmission member 21 is measured, the light distribution characteristics of the transmission member 21 is measured, and the measurement of light distribution characteristics is performed at a plurality of angles wherein the light-transmission member 21 is tilted relative to light-transmission direction, so that the light distribution characteristics of the light-transmission member 21 at each transmission angle is measured. As for reflection light, light distribution characteristics is measured as shown with chain line in the figure.
Patent JP-S58177227-A (JP)
Title: Cutting control method of crop shear
Inventor: TAKECHI TOSHISADA
IPC: B23D36/00
Filed: 1982-04-07
Abstract: PURPOSE:To improve cutting accuracy of a crop shear used for a hot rolling line, by using a corrective roll diameter to chase the rear end part of a rolled material and compensating wear and expansion of its measuring roll. CONSTITUTION:A roll diameter of outlet side measuring rolls 4 is corrected, on the basis of the corrected roll diameter, control of cutting can be executed. That is, at cutting of the point end part of a rolled material, an inlet side measuring roll 3 is forcibly held to the rolled material by a lifting device 7, under this condition, a moving position of the point end of the rolled material is chased by using a pulse generator 3A and the detecting result of a rolled material detector 5 through a cutting controller 6 to detect a point of cutting time of the point end of the rolled material by a crop shear 2, on the basis of this detected signal, the shear 2 is driven and controlled. By this method, cutting accuracy of the crop shear can be improved.
Patent JP-S60200571-A (JP)
Title: Manufacture of phototrigger thyristor
Inventor: NAKAGAWA TSUTOMU
IPC: H01L29/74
Filed: 1984-03-24
Abstract: PURPOSE:To obtain a phototrigger thyristor which has balanced dv/dt withstand amount without decrease in the di/dt withstand amount and phototrigger sensitivity by forming a recess for receiving a light on the main surface of the second emitter layer side of a semiconductor substrate, and forming the second conductive type layer at least on the inner surface of the recess. CONSTITUTION:A pE layer 4, an nB layer 5, a pB layer 6 and nE layer 7 are sequentially formed adjacently from one main surface 2 toward other main surface 3 of a semiconductor substrate 1, the layer 7 is selectively etched to form a recess 8, an n type impurity is shallowly diffused therein to form an n type diffused layer 14. Then, an anode electrode 9 which is electrically contacted with the layer 4 is formed on the layer 4 exposed on the main surface 2, a cathode electrode 10 electrically contacted with the layer 7, and the layer 6 exposed with the main surface 3 are formed, thereby completing a phototrigger thyristor. Thus, even if irregular etching occurs at the forming time of the recess 8 to cause the layer 7 to have a defect 13, it can be coated with the layer 14. Thus, an initial turning ON current is uniformly distributed, the di/dt withstand amount and the phototrigger sensitivity are prevented from decreasing, thereby largely improving the characteristic.
Patent JP-S54148990-A (JP)
Title: Boric acid pouring device
Inventor: ITOU TAKAO
IPC: G21C7/22
Filed: 1978-05-16
Abstract: PURPOSE: To enable to be effected for another by an installed recycling pump without a boric acid pouring pump with a low frequency of use, by means of connecting a boric acid pouring device to the exhaust side and the absorbing side of the recycling pump of the recycling piping.  
     CONSTITUTION: At normal operation, separating valves 14, 18 and a throttle valve 17 are in a closed state, and the exhaust force of a recycling pump 12 does not been exerted on the boric acid pouring device, and are separated from a recycling piping 13. In a case when the control rod can not be inserted into a reactor, the exhaust pressure of the recycling pump 12 is exerted on a header 15 of boric acid storage 15 by means of opening the separating valves 14, 18, and the throttle valve is slowly opened, thereby boric acid is pushed out to the recycling pump 13 little by little. The boric acid water is poured into the reactor along with the reactor water. After it becomes to a stopped state with safety when the reactor reaches at a subcriticality, the separating valves 14, 18 are closed and the boric acid pouring device is again separated from the recycling piping 13. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-H07266452-A (JP)
Title: Production of ultra-flat pneumatic radial tire
Inventor: MORIYAMA SADAO
IPC: B29D30/30
Filed: 1994-03-28
Abstract: PURPOSE:To produce a radial tire with H/S of 55% or less excellent in the productivity while preventing the occurrence of cracking in a side part by assembling side rubbers in a state expanded in diameter to be formed into a-toroidal shape. CONSTITUTION:A pair of side rubbers 2 are extruded to both end parts of tread rubber 1 by a dual tuber to be molded to produce an integrally formed tread/side rubber composite 6 wherein the side rubbers 2 becomes the outsides of the tread rubber 1 at both side bonded parts thereof. At least bead cores 3 and a radial carcass 4 are assembled on a cylindrical former F and this molded assembly is expanded in its diameter to be formed into a toroidal shape and the tread/side rubber composite 6 is bonded to the outside thereof to produce a green tire 7 which is, in turn, vulcanized to produce the radial tire.