baber/WOPTO huggingface dataset:
Patent JP-H07201752-A (JP)
Title: Thin film forming device and formation of thin film
Inventor: MIYAMOTO MASASUKE
IPC: H01L21/31
Filed: 1993-12-27
Abstract: PURPOSE:To miniaturize the whole device and to improve the quality of a?: product by a method wherein the device is provided with an internal volume variable means to change the internal volume of a reaction container. CONSTITUTION:A thin film forming device constituted into such a structure that an applied coating film substrate A is housed in a reaction container 10 and at the same time, raw gas is fed to the container 10 and a thin film is formed on the substrate A in the container 10, is provided with an internal volume variable means to change the internal volume of the container 10. For example, the variable means is constituted of an internal volume modifying block 18, which is vertically movable in the container 10 and is provided with a housing recessed part 19 covering the substrate A housed in the container 10 as the block 18 remains down, and a vertically moving means 22 to move vertically the block 18. As the block 18 remains down, the bottom part on the outside of the recessed part 19 makes contact with sealing materials 20 provided under a reaction container main body 11 and the part of a mount stage 17 is covered with the block 18 as it remains sealed including the substrate A mount on the stage 17, whereby it is made possible to lessen a thin film formation space.
Patent JP-H09179151-A (JP)
Title: Direction switching type optical amplifier and bus type single fiber optical communication system using the same
Inventor: TAKASHIMA SHINICHI
IPC: H04B10/079
Filed: 1995-12-22
Abstract: PROBLEM TO BE SOLVED: To amplify up and down signal beams through one optical amplifier part and to improve reliability of bus type single fiber optical communication system. SOLUTION: Concerning this amplifier, between an incident terminal 7 and an emitting terminal 8 inserted to an optical communication line 6 of optical amplifier part 5 composed of an erbium dope fiber 1, optical isolator 2, exciting light source 3 and optical multilexer/demultiplexer 4, an optical switch 9 is provided for switching the direction of inserting the incident and emitting terminals of optical amplifier part 5 to the optical communication line 6 back and forth. Then, a control circuit 10 controls the changeover of optical switch 9 by sensing the transmitting direction of signal beam transmitted to the optical communication line 6. Besides, this system is formed by performing the loopback connection of optical communication line 6, to which slave stations more than two are connected, to a center station.  In this case, an equal direction switching type optical amplifier 14 is installed so that the numbers of photocouplers for connecting slave stations can be made equal before and after the direction switching type optical amplifier 14.
Patent JP-H07189552-A (JP)
Title: Automatic door with burglarproof function
Inventor: NODA HIDEKI
IPC: E05F15/14
Filed: 1993-12-27
Abstract: PURPOSE:To prevent forgetting to switch on a burglarproof circuit by automatically carrying current to the burglarproof circuit so as to be in working condition when the power switch of a door opening/closing control circuit is made off. CONSTITUTION:A door opening/closing control circuit 50 and a burglarproof circuit 25 are connected to a power source 22 through a changeover switch 17 which carries current to the burglarproof circuit 25 at cutting off the current- carrying to the door opening/closing control circuit 50. When a store is opened, the contact is on A position, current is fed to a door opening/closing control means 54 so as to be able to control opening/closing of door, and at the same time current feed to the burglarproof circuit 20 of a warning device unnecessary during the opening is cut off so as to be not in operating condition. When the store is closed and the doors are fastened, the contact is changed to B position so as to cut off current feed to the control means 54. Hereby, the door is made in non-operating condition while being in the closed condition, and current is fed to the burglarproof circuit 20 of the warning device necessary for burglarproofing, so as to be in operating condition.
Patent JP-H06173598-A (JP)
Title: Backfilling material injection method
Inventor: SHIMODA KAZUO
IPC: C04B28/02
Filed: 1992-12-10
Abstract: PURPOSE:To make possible the long distance pressure-feed of suspension to that side of a grout hole and to add a certain amount of water glass thereto to ensure flowability, and holding time, etc., of plasticization by adding retarder to hardening revealer and fine-grained aggregate to prolong usable hours remarkably. CONSTITUTION:Suspension 2 mixed with water has hardening revealer, fine-grained aggregate and retarder for the main ingredients in a plant 1. Pressure-feed of the suspension 2 is made by an injection pump 3, force-fit of water glass 7 is made from a water glass storage tank 6 through a feed pipe 4, and grout 9 obtained by stirring and mixing them through a line mixer 5 is distributed to a plurality of injection passages 11 and is injected. During the pressurefeed of the suspension 2, added and mixed water glass is JIS No.3 (containing 28-30wt.% of SiO2), approx. 1.2-5.6vol.% in conversion, according to the constitution, [A] holding time of flowability and plasticization is over 30 minutes, [B] solidification strength after four hours is higher than approx. 0.1kgf/cm<2>, and such grout as satisying both conditions mentioned above is produced. Flowability, holding time of plasticization and initial strength are ensured, and the long distance pressure-feed of the suspension is made and is backfilled to a shield.
Patent JP-H05163339-A (JP)
Title: Polycarbonate copolymer, its production and electrophotogsphic photorecptor containing same
Inventor: NAGAO TOMOHIRO
IPC: C08G64/30
Filed: 1991-12-17
Abstract: PURPOSE:To obtain the title copolymer which can give a coating fluid of an electrophotographic photoreceptor which does not gel and can keep excellent plate wear, etc., for a long time by reacting two specified bisphenols with a compound forming a carbonic ester. CONSTITUTION:A copolycarbonate comprising repeating units of formulas III and IV and having a content of repeating units of formulas III of 0.01-0.9 by a molar ratio and a reduced viscosity etasp/c of 0.3dl/g or above in a 0.5g/dl concentration in a methylene chloride solvent is obtained by reacting a bisphenol of formula I (wherein R<1>, R<2> and R<3> are each halogen, 1-6C alkyl or 6-12C aryl; n is 1 or 2; and a, b and c are each 0-4) and a bisphenol of formula II [wherein X is -CR<6>R<7>- (wherein R<6> and R<7> are each H, trifluoromethyl, 1-6C alkyl or 6-12C aryl), 5-11C 1,1-cycloalkylene, a single bond, a bivalent group such as O, S, SO or SO2, or the like; R<4> and R<5> are each halogen, 1-6C alkyl, 6-12C aryl or the like; and d and e are each 0-4] with a compound forming a carbonic ester.
Patent JP-H07206511-A (JP)
Title: Magnesia clinker, monolithic refractory and ladle for steel making
Inventor: IMAI ISAO
IPC: B22D41/02
Filed: 1993-12-29
Abstract: PURPOSE:To obtain a magnesia clinker without damaging its original characteristics capable of remarkably improving the melt damage resistance and slag infiltration resistance to slag having high basicity as well as low basicity. CONSTITUTION:This magnesia clinker having a texture consisting of a periclase grain boundary phase filled with a zirconia phase and a spinel phase is obtained by using a chemical composition composed of 92-9wt.% of Mg0, 2-8wt.% of Al2O3+ZrO2 at an Al2O3:ZrO2 weight ratio of (0.5-4.0):1 (the Al2O3 content is <=4.5wt.%) and 0-5wt.% of other components.
Patent JP-H07201544-A (JP)
Title: Resin-bonded magnet
Inventor: KUWAZAWA TAKAFUMI
IPC: B22F1/02
Filed: 1993-12-29
Abstract: PURPOSE:To obtain a resin-bonded magnet which is enhanced in magnet density and magnetic characteristics as required and high in dimensional accuracy and uniformity by a method wherein magnetic particles are coated with a surface layer, mixed with resin, and molded into a magnet. CONSTITUTION:Nd-Fe-B magnetic particles A are coated with a surface film B through a Ni-W electroplating method. This magnetic powder is mixed well with a prescribed amount of thermosetting resin, compression-molded by a prescribed pressure, and then magnetized. When Ni-W deposited on the magnetic powder is increased in content, a magnet increases in magnet density, and when a surface film is increased in content to 30% by volume, a neodymium-iron resin-bonded magnet possessed of the same magnet density and the same magnetic flux density as an Sm-Go magnet has can be obtained.
Patent JP-H05163729-A (JP)
Title: Open shield process and concrete case used for the same
Inventor: UEMURA KOICHI
IPC: E21D9/06
Filed: 1991-12-16
Abstract: PURPOSE:To obtain a concrete case which can be prevented from the cracking and chops at corners even when receiving pushing forces by a shifting jack, and by which cutting-off between large sectional concrete cases can be easily and completely done to construct a reliable underground structure. CONSTITUTION:In a concrete case 4, reinforcing bars are increased at the near position of the opening face. And the front and rear end faces, the outer peripheral corners, and these nearby places are covered with steel plates 18 having L-shaped section. The loads of a shifting jack is received by the steel plates 18. The front end face and the rear end face of the concrete cases 4 connected to each other is sealed water-tightly by welding 20 the outer peripheral ends of the steel plates 18 jointed to each other.
Patent JP-H09184225-A (JP)
Title: Fireproof partitioning device
Inventor: MITANI MASAJI
IPC: E04B2/74
Filed: 1995-12-28
Abstract: PROBLEM TO BE SOLVED: To enhance the easiness in execution of works by facilitating the mounting of a fireproof board. SOLUTION: Through a calcium silicate board 20 as an inorganic refractory material, a fire resisting panel 21 is mounted on a column 4 made of metal which is installed upright between a top rail 2 and a ground rail 3, and thus a fireproof partitioning device concerned 1 is configured. On this case, another calcium silicate plate 15 as a crosswise frame is installed on the column 4 in the part over the panel 21, and a decoration board 16 is installed on the outer side face of the board 15. A receptacle metal piece 17 consisting of two hook-shaped parts (the first and the second detention part) 17a, 17b which are installed continuously, see Fig. 13, is attached to the upper part of the board 15, and its top is locked in the hook part 17a.  The bottom of a gypsum board (the first fireproof board) 18 is placed on the back surface of the hook part 17a, and the bottom of another gypsum board (the second fireproof board) 19 is locked in the hook part 17b, and the two gypsum boards 18, 19 are screwed fast to the column 4.
Patent JP-H11263830-A (JP)
Title: New copolymer comprising trimethylene carbonate and optically inert lactide
Inventor: BUCHHOLZ BERTHOLD
IPC: A61L31/06
Filed: 1998-11-27
Abstract: PROBLEM TO BE SOLVED: To obtain a copolymer having mechanical properties capable of widely exchanging with a varying compositional ratio by selecting a copolymer comprising trimethylene carbonate units and meso-lactide units in a specified ratio and having a glass transition temperature in a specified range. SOLUTION: There is provided a biodegradable copolymer comprising 4-90 wt.% trimethylene carbonate units, 10-96 wt.% meso-lactide units, and, optionally, a small amount of other monomer units, having a glass transition temperature in the range of -20 to +55 deg.C as measured by differential thermal analysis at a rate of temperature elevation of 5 K/min, and having an intrinsic viscosity of 0.5-3 dl/g as measured in a 0.1% chloroform solution at 25 deg.C. When the ratio of trimethylene carbonate to lactide is such that the lactide content is 90 wt.% or above, the obtained copolymer is a material having high rigidity and high ductility.  When the lactide content is 30-70 wt.%, the obtained copolymer is a material having markedly high ductility, and when the content is 30 wt.% or below, the obtained copolymer is a material resembling a polytrimethylene carbonate in mechanical properties. Because of their elastic properties, the copolymers are used as coating materials for surgical suturing materials, absorbable films for wound covering, etc.
Patent JP-H11170158-A (JP)
Title: Method of polishing opposite surfaces of semiconductor wafer and device therefor
Inventor: IWANO EIICHIRO
IPC: B24B37/00
Filed: 1997-12-09
Abstract: PROBLEM TO BE SOLVED: To provide a method of and a device for polishing opposite surfaces of a semiconductor wafer, which can prevent the occurrence of craw-track during lapping. SOLUTION: Since craw-track occurs at the initial stage of lapping, in order to restrain the occurrence thereof at this initial stage, an upper level block is lowered at a slight speed before the starting of a normal process (in which a wafer is actually polished), that is, from a position above a position where the upper level block is made into contact with a wafer, by 2 to 5 cm, and upper and lower level blocks including internal gears and a sun gear are rotated at a low speed at this stage, and substantially at the same time or before the upper level block makes contact with the wafer, lapping slurry is dripped on and sprayed over the wafer. Thereafter, the upper level block is lowered while being rotated, and accordingly, the upper level block makes contact with the wafer so that a normal process can be carried out, similar to a conventional method.
Patent JP-H10178772-A (JP)
Title: Cooling structure of for eddycurrent speed reducer
Inventor: ASANO MASAKI
IPC: B60T5/00
Filed: 1996-12-19
Abstract: PROBLEM TO BE SOLVED: To allow air flowing under the floor of a vehicle to blow against a braking drum, while the vehicle is running in order to increase the cooling performance of the braking drum. SOLUTION: This device has a braking drum 18 which is made of a magnetic substance and is jointed to an output shaft 7 at the back of a speed change gear 4 of the vehicle and a magnet supporting cylinder which is fixed to a non-rotating section of the speed change gear 4 and which faces the inner surface of the braking drum 18. A baffle plate which leads the air flowing under the speed change gear 4 to a space between the braking drum 18 and the magnet supporting cylinder is located at the bottom of the speed change gear 4. The baffle plate has a U-shaped cross-sectional shape and is provided at its front end with an air intake 31. Is rear end is bent upward, with a passage area gradually narrowed towards the rear part.  At the rear end of the baffle plate, a partition plate 33 is installed to allow part of the air to blow against a cooling fin 18a of the braking drum 18 and the rest of it to flow into a space between the braking drum 18 and a magnet guide cylinder 5.
Patent JP-H07200018-A (JP)
Title: Controller for robot
Inventor: SHIMOGOE AKIRA
IPC: G05B19/404
Filed: 1993-12-27
Abstract: PURPOSE:To improve positioning accuracy by performing backlash correction relating to the positioning of a target position from the relation of gravity torques and the rotation directions of respective axes. CONSTITUTION:In a step 300, the world coordinates of a present position and the target position are transformed to joint coordinates and an axis variable (i) for specifying a robot axis is initialized to '1'. Then, in the step 304, the gravity torques Tci and Toi around an (i) axis of the respective present and target positions are computed. Then, the absolute value of the gravity torque Toi of the target position is compared with a prescribed threshold value Th, whether or not the values of the gravity torque Tci of the present position and the gravity torque Toi of the target position are below '0' is judged in the step 308 when it is equal to or more than the threshold value Th and a backlash correction amount DELTAtheta1 per interpolation cycle is obtained in the step 310 when it is equal to or more than '0'. Then, the arithmetic operation of the gravity torque is repeatedly performed until the axis variable (i) becomes the maximum value of '6' and a program is ended when it becomes the maximum value.
Patent JP-H10183283-A (JP)
Title: Aluminum alloy card material excellent in pitting corrosion resistance
Inventor: KURODA SHU
IPC: F28F19/06
Filed: 1996-12-25
Abstract: PROBLEM TO BE SOLVED: To provide a clad material in which the anode efficiency of a cladding material is increased and resultantly the corrosion resistance of a core material is effectively improved, by cladding one side or both sides of an Al alloy core material with a cladding material having a composition consisting of specific amount of Sn and Fe and the balance Al. SOLUTION: For example, an Al alloy, having a composition consisting of, by weight, 0.3-1.8% Mn, 0.05-1.0% Si, 0.02-0.8% Cu, and the balance Al, is used as a core material. One side or both sides of this core material is clad with a cladding material having a composition consisting of 0.03-0.15% Sn, 0.1-1.0% Fe, and the balance Al. Sn is finely precipitated and dispersed to high density in a matrix by the coexistence with Fe and becomes source of microscopic pitting corrosion to cause high density pitting corrosion due to corrosion and prevent local corrosion. It is desirable that precipitated Sn grains re dispersed in >=10<6> /cm<2> average density. Moreover, 0.1-2.0% Mg can further be incorporated as a component for the cladding material.
Patent JP-H11186539-A (JP)
Title: Semiconductor device
Inventor: YAMAGUCHI KOJI
IPC: H01L29/205
Filed: 1997-12-25
Abstract: PROBLEM TO BE SOLVED: To provide a heterojunction type hot-electron transistor which is capable of operating at a high speed with high amplification factor. SOLUTION: This semiconductor device comprises a collector layer C, a base layer B having a band gap narrower than the collector layer, and an emitter layer E having a band gap wider than that of the base layer with these layers heterojunctioned in this order. The semiconductor constituting the base layer B has a lattice constant different from that of at least one of the collector layer C or the emitter layer E. The base layer with its thickness not exceeding a mean free path of a carrier 21 causes a misfit transition by a lattice mismatch at the boundary between the base layer and at least one of the collector layer or the emitter layer. The Fermi level 22 is pinned in the condition band or the valence band by the misfit transition.
Patent JP-2001172766-A (JP)
Title: Coated sliding member
Inventor: ODA KAZUHIKO
IPC: F16C33/24
Filed: 1999-12-16
Abstract: PROBLEM TO BE SOLVED: To solve the problem that the surface of a diamond film deposited by vapor phase synthesis is extremely rough and becomes increasingly hostile to mating materials as well as in friction coefficient, although diamond is minimal in friction coefficient if it is smooth, and to attain sliding characteristics of decreased friction coefficient and decreased attacks on mating materials when a diamond coated surface is rough. SOLUTION: The member is a sliding member coated with film, in which an upper-layer film composed of a carbon film, a metal film, or a compound film of 20 to 2,000 Knoop hardness is laminated on a lower-layer film which is composed of a diamond film or a film containing >=30 vol.% diamond microcrystals and has >8,000 Vickers hardness or Knoop hardness.
Patent JP-H11180681-A (JP)
Title: Telescopic boom
Inventor: MIYAZAWA HIROSHI
IPC: B66F11/04
Filed: 1997-12-25
Abstract: PROBLEM TO BE SOLVED: To facilitate piping work by arranging the pipes by the same route by respective set boom body groups. SOLUTION: In this five-stage telescopic boom is so constituted that mutually adjacent first to third boom bodies 1 to 3 and the third to fifth boom bodies 3 to 5 are made into one set, the intermediate boom bodies 2, 4 is contracted by contracting force of expansion cylinders 6, 7, the tip boom bodies 3, 5 may be contracted by a rope-type contracting mechanism, and pipes 10 are arranged from the base end side to the tip end side. In this case, movable parts 10a of the pipe in respective set boom body groups is laid by the same route as a contracting rope 8 of the rope-type contracting mechanism, fixing parts 10b are provided outside the base end boom bodies 1, 3, and the pipes are arranged by the same route by respective set boom body groups.
Patent JP-H05155851-A (JP)
Title: Purification of 2-pyrrolidone
Inventor: NISHIYAMA MASAO
IPC: C07D207/26
Filed: 1991-12-03
Abstract: PURPOSE:To provide purified 2-pyrrolidone for obtaining a high-viscosity 2- pyrrolidone polymer in high yield. CONSTITUTION:The objective purification can be accomplished by adding sulfuric acid or hydrochloric acid to 2-pyrrolidone followed by vacuum distillation.
Patent JP-H11190212-A (JP)
Title: Engine exhaust muffler
Inventor: SASAKI SATORU
IPC: F01N1/02
Filed: 1997-12-25
Abstract: PROBLEM TO BE SOLVED: To simplify the structure of an engine exhaust muffler capable of reducing crack sound. SOLUTION: The engine exhaust muffler is provided with an upstream inserting pipe part 7 to be inserted into a main muffler 8, at the upstream end part of a center tube 6 connecting a center muffler 4 to the main muffler 8. The insertion length L1 of an upstream inserting pipe part 5 in the center muffler 4, and the length L2 of the center tube 6, containing the insertion length L1 of the upstream inserting pipe part 5, are set to almost meet the following relationship: L1=C1×L2/(2×n×C2) based on an average sound speed C1 of exhaust gas in the center muffler 4, an average sound speed C2 of exhaust gas in the center tube 6, and the integral number (n) (n = two or more).
Patent JP-2000179653-A (JP)
Title: Plate cam mechanism
Inventor: WATANABE MASATAKA
IPC: F16H53/02
Filed: 1998-12-16
Abstract: PROBLEM TO BE SOLVED: To provide stable-acting plate cam mechanism by eliminating fluctuating resistance to cam rotating force caused by the change of spring restraining force when a cam is displaced. SOLUTION: This plate cam mechanism is provided with a plate cam 1 in which cam distance (between symmetric faces of the cam) passing the center of a camshaft to be a basic structural component is equal in all directions; a rocking lever (or a linear moving lever) driven by the plate cam 1; a roller 5 fitted to the rocking lever (or linear moving lever) and brought into contact with the cam face; a roller 15 arranged in an exactly opposite position to the roller 5 with the camshaft as the center; a restraining arm passing the center of the camshaft to support the roller 5 and roller 15; and components related to the structural component.
Patent JP-2001170287-A (JP)
Title: Game machine
Inventor: YANAGISAWA RYOTA
IPC: A63F7/02
Filed: 1999-12-16
Abstract: PROBLEM TO BE SOLVED: To improve amusement in a game machine such as a Pachinko machine provided with a pattern display device capable of varying and displaying a plurality of patterns in a plurality of pattern strings. SOLUTION: An operation port 3 and a big prize-winning port 4 are provided on the game panel 2 of a Pachinko machine 1, and a display device 13 provided with a display part 13a is incorporated in the center part of the panel 2. The part 13a displays the plurality of pattern strings and each pattern string consists of the plurality of kinds of patterns. On starting varying and displaying the patterns, a controller 24 displays a character which triggers the variation and display of the patterns to start the patterns and to change the starting order of the individual pattern strings in connection with the operation of the character.