baber/WOPTO huggingface dataset:
Patent JP-2000100867-A (JP)
Title: Circuit board mounted with semiconductor element and conductive viscoelastic material
Inventor: NAKADA YASUKAZU
IPC: H01L21/60
Filed: 1998-09-18
Abstract: PROBLEM TO BE SOLVED: To enable a semiconductor element to be hardly damaged or separated off due to vibrations or shocks by a method, wherein the electrodes of the semiconductor element and the electrodes of a circuit board are connected together through the intermediary of a conductive viscoelastic material that is prescribed in storage elastic modulus and loss elastic modulus. SOLUTION: Bumps 3 are provided to the electrodes 2 of a semiconductor element 1, and a solution of conductive viscoelastic material 4 whose storage elastic modulus G' and a loss elastic modulus G" are 1×102 to 1×107 Pa and 1×102 to 1×107 Pa at a temperature of 25 deg.C respectively is applied to the bumps 3 and then dried out. Then, a semiconductor element 1 is mounted on a circuit board 6 aligning its electrodes 2 with the electrodes 5 of the circuit board 6, and the semiconductor element 1 and the circuit board 6 are bonded together with pressure to serve as a circuit. When the above bonding operation is carried out, a filler 7 is filled into an empty space between the semiconductor element 1 and the circuit board 6 so as not to let air, moisture or the like penetrate into the above empty space.  With this setup, vibrations and shocks are relaxed to a semiconductor device, so that a semiconductor element is hardly damaged or peeled due to vibrations or shocks.
Patent JP-H06118244-A (JP)
Title: Illuminating plastic optical fiber
Inventor: SHIMADA KATSUHIKO
IPC: G02B6/00
Filed: 1992-10-02
Abstract: PURPOSE:To provide a plastic optical fiber having a small transmission loss, satisfactorily transmitting the light in a core material, capable of extending the practical fiber length, and effectively allowing a light leak from the side face of the optical fiber. CONSTITUTION:An illuminating plastic optical fiber is constituted of a transparent core material l and a sheath material and allows a light leak from the whole side face or the desired portion of the optical fiber, the core material 1 is a polymer mainly made of polymethyl methacrylate, a sheath covering the core 1 is divided in the outer periphery direction, one part 2a of the sheath is a composition made of a vinylidene fluoride copolymer of vinylidene fluoride of 50-90mol.% and tetrafluoroethylene of 10-50mol.% and at least one kind of the second polymer having the refraction factor higher than that of the vinylidene fluoride copolymer, and the other part 2b is the vinylidene fluoride copolymer.
Patent JP-H05310731-A (JP)
Title: New acylal of imidazole-5-carboxylic acid derivative, its preparation and method for utilizing same
Inventor: DEIITAA BINDAA
IPC: A61P9/12
Filed: 1992-10-02
Abstract: PURPOSE: To obtain new acylals of imidazole-5-carboxylic acid derivs. that are more satisfactorily absorbed than the conventional known acylals at the time of oral administration and have high antihypertensive activity.  
     CONSTITUTION: The acylals of imidazole-5-carboxylic acid derivs. are compds. of formula I (R 1  is 1-6C optionally unsatd. straight-chain alkyl; R 2  is H, Cl, Br, I or CF 3 ; and R 3  is 1-10C alkyl, 3-7C cycloalkyl or benzyl) and their pharmaceutically acceptable salts, e.g. sodium 1-ethoxycarbonylethyl-2-butyl-4- chloro-1-[{2'-(1H-tetrazol-5-yl)biphenyl-4-yl}methyl]-1H-imidazole-5-carboxylate. The compds. of the formula I are obtd. by reacting compds. of formula II with compds. of formula III (C is Cl, Br or I and [S] is a triphenylmethyl-protecting group) and heating the resultant compds. of formula IV together with a lower aliphatic alcohol. 
     COPYRIGHT: (C)1993,JPO
Patent JP-H0664448-A (JP)
Title: Take-up device for car body cover
Inventor: MESAKI HIROYUKI
IPC: B60J11/00
Filed: 1992-08-24
Abstract: PURPOSE:To enable works such as covering a car body with a car body cover and uncover the car body cover to be easily done in a short time without assistance by providing two rotary type roller bars at the front section of a roll. CONSTITUTION:In the main body, a body made of pipes is combined with a roll 1 for taking up a car body cover. The main body is temporarily mounted on the front or rear section of a car body, and the car body cover is taken up with the roll 1 manually rotated. When the car body is to be covered with the car body cover, the car body cover is pulled out of the roll. By this constitution, covering the car body with the car body cover and uncovering the car body cover can thereby be easily done without any assistance.
Patent JP-H0687907-A (JP)
Title: Production of hydrogel of polysaccharide-based natural polymer substance
Inventor: HATAKEYAMA RITSUKO
IPC: C08B37/00
Filed: 1992-09-08
Abstract: PURPOSE:To effectively obtain a hydrogel having a given strength without using a gelatinizing agent by retaining a water hydrogel of a specific polysaccharide-based natural polymer substance under a specific condition and heat-treating. CONSTITUTION:A polysaccharide-based natural polymer substance having a helix structure is dissolved in water to prepare 0.05-10.0wt.% hydrosol, which is retained at 10-50 deg.C for 0.5-2 hours and further heat-treated at 50-100 deg.C to form a desired elastic gel. Hyaluronic acid or xanthan gum is used as the polysaccharide-based natural polymer substance.
Patent JP-S63119892-A (JP)
Inventor: NAGANUMA KIYOSHI
IPC: E03B7/00
Filed: 1986-11-10
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-S61144171-A (JP)
Title: Accuracy improving device of analog digital convertion
Inventor: KITAMURA YOSHINORI
IPC: H04N5/14
Filed: 1984-12-17
Abstract: PURPOSE:To improve a false outline which occurs due to a non-linear characteristic of an A/D converting by applying a correcting signal to the signal before A/D converting, converting it to a digital signal and thereafter, subtracting a digital correcting signal equivalent to the correcting signal. CONSTITUTION:An adder circuit 11 adds an input signal V1 and a correcting signal S. A correcting signal S has an amplitude of minimum resolution or above of an A/D converter and changes in a constant period. The added signal is A/D-converted by the A/D converter 12. A subtracting circuit 13 subtracts a digital correcting signal SD equivalent to a correcting signal S by the digitized signal. The corrected digital signal VD is obtained.
Patent JP-H04143980-A (JP)
Title: Magnetic recording medium
Inventor: KITAGAMI OSAMU
IPC: G11B5/82
Filed: 1990-10-03
Abstract: PURPOSE:To improve durability by applying and impregnating a lubricant layer with a principal component of lubricant within a specific kinetic viscosity range to a magnetic disk surface and a liner surface, respectively. CONSTITUTION:The lubricant layer with the principal component of lubricant whose kinetic viscosity exceeds 20cm<2>/sec is applied to the magnetic disk surface in a magnetic recording medium in which a magnetic disk provided with a thin film magnetic layer is stored in the jacket on which an inner plane liner is attached, and the lubricant layer whose kinetic viscosity is less than 20cst is impregnated in the liner. Thereby, the lubricant from a liner side can be supplied even when part of the lubricant of the disk is removed by the sliding of a magnetic head, and a stable lubricating state can be realized for a long time, and the durability is remarkably improved.
Patent JP-H10109354-A (JP)
Title: Automatic running system of production line
Inventor: HOSOKAWA HITOSHI
IPC: B29C48/92
Filed: 1996-10-07
Abstract: PROBLEM TO BE SOLVED: To shorten the running time of a production line by a method wherein a first transition and/on a last transition running are simplified by reproducing the similar first transition and/or the last transition running as that executed by a skilled worker even by an un-skilled worker. SOLUTION: A start-up button is depressed at a step S401 so as to start an automatic first transition program in order to select an automatic first transition running system at a step S403. 'A. a chart setting system' is a system for controlling the running of a production line on the basis of a pre-stored running pattern or the desired automatic first transition data (chart set data) stored in a set storage part is loaded in a process controller at a step S407. On the other hand, 'B. a playback system' is a system for executing an automatic first transition running by reproducing a running pattern of a first transition running executed by a skilled worker and, in addition, in a record storage part, data of respective measuring instruments on the first transition running pattern by a skilled worker and the like are stored in advance or the system so as to load the desired first transition data (playback data) in the process controller at a step S411. Next, the process controller executes an automatic first transition program on the basis of the automatic first transition data loaded in the process controller at a step S413.
Patent JP-2001094356-A (JP)
Title: Nonlinear distortion compensation circuit
Inventor: IWAI HIROSHI
IPC: H03F1/32
Filed: 1999-09-20
Abstract: PROBLEM TO BE SOLVED: To precisely correct phase variation and gain variation of a power amplifier by simple circuit constitution. SOLUTION: This circuit is provided with the first FET 2 and the second FET 4 connected in parallel, the first bias control circuit 3 for executing gate bias control of the FET 2 so as to correct amplitude characteristic and phase characteristic of the power amplifier with respect to distortion at the time of high output, and the second bias control circuit 5 for executing the gate bias control of the FET 4 so as to make a gain constant at the time of low output.
Patent JP-H10109449-A (JP)
Title: Recording medium conveyance device
Inventor: SUGIZAKI YOSHITERU
IPC: B65H29/60
Filed: 1996-10-07
Abstract: PROBLEM TO BE SOLVED: To provide a recording medium conveyance device in which a recording medium is smoothly and surely conveyed through a curved conveyance path even of the recording media is not so flexible. SOLUTION: Driving rollers 25, 26 are brought into contact with a recording medium P curved and guided through a curved conveyance path 11 and provided in such the positions that repulsion force caused by being curved acts from the recording medium P. The recording medium P is set and energized by these driving rollers 25, 26. The recording medium conveyance device has a constitution in which a pinch roller of the driving roller 25 positioned in the intermediate part of the curved conveyance path 11 is omitted.
Patent JP-S62127997-A (JP)
Inventor: CHIN SHIGEMUTSU
IPC: G07F13/10
Filed: 1985-11-27
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-H11101578-A (JP)
Title: Induction furnace
Inventor: OKAYAMA SAKAE
IPC: F27D11/06
Filed: 1997-09-30
Abstract: PROBLEM TO BE SOLVED: To shorten an inclined water-cooled feeder for an induction furnace by eliminating exceeding of heat resistant temperature limit of an insulator such as an induction coil even by using it in a high temperature atmosphere. SOLUTION: A sealed cylindrical furnace frame 2 with a bottom is disposed in a sealed high temperature atmosphere chamber 1. The induction furnace 3 having a crucible 3a with a tap hole 3d, an induction coil 3b and a yoke 3c is installed in the frame 2. The furnace 3 and an upper end of the frame 2 are sealed by an annular refractory 4. Oblique shafts 5a, 5b of the frame 2 are rotatably passed through the chamber 1, and tiltably provided via a rack 7a and a pinion 7b. A water-cooled feeder 8 is introduced from a power board 5p at an atmospheric end of the shaft 5a into the coil 3b in the frame 2 to supply AC power 9. Simultaneously, refrigerant such as water or the like is introduced from the board 5p to be connected to a cooling tube 11b or the like brought into close contact with the frame 2.
Patent JP-S61152572-A (JP)
Inventor: YAMANE TETSUO
IPC: B65D81/20
Filed: 1984-12-19
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-H03154364-A (JP)
Title: Encapsulation and device therefor
Inventor: BURASUTEIMIRU FURANKU
IPC: H01L21/00
Filed: 1990-10-05
Abstract: PURPOSE: To shorten the processing time of and reduce the processing cost for encapsulation by installing an RF coil, so that an RF current induced at a protective cap is concentrated on the edge part and seal band area of a protective cap. CONSTITUTION: At the bottom part of an insulating plate 33, a ceramic upper pressure plate 35 and a chamber plate 37 are fitted, and an upper assembly is provided with an RF coil 39, which induces an RF current at the edge part of the protective cap 15 positioned on a seal band 17. When size differences among various substrates are large, the RF coil 39 is arranged so that the RF current is concentrated on the area of the seal band 17. Consequently, the processing time of and the processing cost for encapsulation can be reduced, without requiring large-sized expensive furnaces.
Patent JP-H05110568-A (JP)
Title: Lan controller
Inventor: NAKAYAMA TAKASHI
IPC: H04L69/14
Filed: 1991-10-16
Abstract: PURPOSE:To execute an efficient communication so that a communication to another station is not hindered from a communication with a specific station. CONSTITUTION:The controller is connected to an LAN circuit 1, provided with a receiving buffer 202, a register 101 holds the number of all receiving buffers in the controller, a register 102 calculates the number of receiving buffers which are being occupied at present and stores it, and a comparing circuit A 111 compares the two numbers in the registers 101, 102 with each other. A register group 105 holds the number of occupiable receiving buffers given in advance by every opposite party station of communication from a host software, a register group 106 counts and holds the number of receiving buffers occupied at present by every opposite party station unit, and a comparing circuit B 112 compares the two numbers in the register groups 105, 106 with each other. As a result, when reception is executed by exceeding the allocated number of buffers, receiving data is discarded.
Patent JP-H11107502-A (JP)
Title: Base-isolated floor device
Inventor: YAMAWAKI TAKESHI
IPC: E04F15/18
Filed: 1997-09-30
Abstract: PROBLEM TO BE SOLVED: To keep the natural frequency of floor load almost constant regardless of the extent of the floor load by changing the spring constant of a spring element in steps according to the fluctuation of the floor load, and to facilitate the extension of periods by keeping the height of a base-isolated floor device low. SOLUTION: The spring element 16 of a base isolating unit 10 elastically supporting a floor 12 comprises a large coil spring 16a, a medium coil spring 16b, and a small coil spring 16c arranged parallel to one another, the coils differing in height. The number of the coil springs 16a, 16b, 16c that work is changed according to the amount of contraction of the spring element which depends on floor load F, so that the spring constant of the base isolating unit 10 for the fluctuation of the floor load F is varied in steps.
Patent JP-H01108557-A (JP)
Title: Carrier for developing electrostatic charge image
Inventor: IWATOMO KEISUKE
IPC: G03G9/113
Filed: 1987-10-22
Abstract: PURPOSE:To improve durability by coating the surface of core particles with a coating material contg. a polymer which consists essentially of a specific imide group-contg. unsatd. monomer and hydroxyl group-contg. unsatd. monomer as well as an amino resin and/or alkyl etherified amino resin. CONSTITUTION:The surface of the core particle is coated with the coating material contg. the polymer which consists essentially of the specific imide group-contg. unsatd. monomer expressed by the formula I and hydroxyl group- contg. unsatd. monomer as well as the amino resin and/or alkyl etherified amino resin. In the formula I, R1 denotes hydrogen or methyl group; R2 denotes an alkylene group of 1-6C or bivalent org. group having alicycle or arom. ring; R3 denotes the formulas II, III, etc.; Y1-Y8 denote hydrogen, alkyl group of 1-3C. The excellent durability is thereby obtd.
Patent JP-H10112318-A (JP)
Title: Nonaqueous electrolyte secondary battery
Inventor: ITO MASANORI
IPC: H01M4/36
Filed: 1996-10-08
Abstract: PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary battery with high discharge capacity and high productivity. SOLUTION: In a nonaqueous electrolyte secondary battery using a carbon material capable of doping/undoping lithium in a negative electrode 2 and a composite oxide of lithium and a transition metal in a positive electrode 1, a mixture of a lithium manganese composite oxide (LiMn2 O3 ) and a lithium nickel composite oxide (LiNiO2 or the like) is used as a positive active material constituting the positive electrode 1.
Patent JP-H03129309-A (JP)
Title: Focus adjusting circuit
Inventor: MATSUMURA TAKASHI
IPC: H04N5/232
Filed: 1989-10-14
Abstract: PURPOSE:To improve SN ratio and to make accurate focus adjustment by outputting an electric signal based upon reflected light from a subject when a light source is ON or a reference voltage when it is OFF selectively through a switch in response to the control signal of a pulse generating circuit, and charging a capacitor respectively. CONSTITUTION:The pulse generating circuit 500 generates the control signal in synchronism with the blinking period of a near infrared-light source 200. The switches 300 and 400 are switched in response to the control signal to output the electric signal, obtained by converting reflected light beams X1 and X2 from the subject through silicon photodiodes 1 and 2 photoelectrically, when the light source is ON or the specific voltage from a reference voltage source Xref when it is OFF selectively. The capacitor C2 is charged electrically with a voltage based upon the reflected light X1 in a signal input period and with the reference voltage Vref having no noise in a no-signal period. Consequently, the SN ratio is improved and the accurate focus adjustment can be made.
Patent JP-H11109081-A (JP)
Title: Jet pump inspection device and method
Inventor: MURAKAMI KOJI
IPC: G21C15/25
Filed: 1997-09-30
Abstract: PROBLEM TO BE SOLVED: To easily and positively inspect the welded part of the elbow part of a jet pump remotely without requiring any special experience. SOLUTION: A jet pump inspection device 5 that performs a non-destructive inspection to a welded part 10 between a riser tube elbow part 8 of a jet pump and a thermal sleeve 9 being provided at a reactor pressure vessel 1 of a boiling water reactor and its heat-influenced part has a handling device 17 that is positioned at the upper portion of a jet pump being suspended from the upper portion of the reactor pressure vessel or a structure body being arranged at its upper part, a scanner 19 that is suspended via the space between the reactor wall of the reactor pressure vessel and the riser brace 11 from the handling device 17, and an inspection head 20 for inspecting a welded part or the like being mounted to the scanner 19.
Patent JP-S63120758-A (JP)
Title: Thermoplastic resin composition
Inventor: NOMURA MANABU
IPC: C08K9/04
Filed: 1986-11-10
Abstract: PURPOSE:To greatly increase impact strength without lowering rigidity and mechanical properties, by blending a thermoplastic resin with talc whose surface has been treated with a metal coupling agent during crushing. CONSTITUTION:50-97wt% thermoplastic resin is blended with 50-3wt% talc whose surface has been treated with a metal coupling agent during crushing. As the coupling agent, titanium or aluminum coupling agent is preferred. The surface of talc is treated by using 0.05-2pts.wt. metal coupling agent per 100pts. wt. talc. The treated talc has an average particle size of 0.3-3mu.
Patent JP-S63121753-A (JP)
Title: Detection of antibody
Inventor: SATO KUNIHIKO
IPC: G01N33/569
Filed: 1986-11-10
Abstract: PURPOSE:To easily and quickly detect an antibody without requiring special apparatus and to improve a detection rate by using immobilized herpesvirus infected cells at the time of detecting the antibody by an enzyme antibody method. CONSTITUTION:A plate immobilized with the herpesvirus infected cells to a solid phase by a prescribed method is prepd. at the time of detecting the antibodies by the enzyme antibody method. Detectable serum is added to said plate to effect an antigen-antibody reaction and thereafter, an enzyme-labeled antibody or enzyme-labeled protein A is added to the antibody conjugated specifically an antigen by which the plate is dyed black. Such plate is observed as antibody positive. The antibody is, therefore, easily and quickly detected without requiring special places, apparatus, etc., and the high antibody detection rate is obtd.
Patent JP-H03128976-A (JP)
Title: Primer composition undergoing less discoloration
Inventor: YAMATANI MASAAKI
IPC: C09D183/04
Filed: 1989-10-13
Abstract: PURPOSE:To obtain a primer composition undergoing less discoloration and improved both in curing rate and in adhesion between metal, etc., and a paint, etc., by diluting, as required, a reaction product of a specified silane compound and an organic diisocyanate compound which does not contain a phenyl group with a solvent. CONSTITUTION:A silane compound (a) of the formula (wherein R<1> is a 1-4C monovalent hydrocarbon group; R<2> is a 1-4C divalent hydrocarbon group; (n) is 0 to 2) (e.g. gamma-mercaptopropyltrimethoxysilane) is reacted with an organic diisocyanate compound (b) which does not contain a phenyl group (e.g. hexamethylene diisocyanate) in an amount sufficient to provide a molar ratio of the mercapto group of component (a) to the NCO group of component (b) of 1:(1.2 to 3.0) in a solvent at 50-150 deg.C for 2 to 4hr in the presence of a catalyst to give a reaction product. The reaction product is diluted with a solvent as required.
Patent JP-S61147923-A (JP)
Title: Method and equipment for coiling strip
Inventor: TSUKAHARA HIDE
IPC: B65H19/28
Filed: 1984-12-19
Abstract: PURPOSE:To prevent the generation of noises due to the collision of mandrel with roll and the damages of device by varying the pressing command value of a wrapper roll according to the thickness of the strip wound on mandrel. CONSTITUTION:The number (n) of coils of a strip S is found by arithmetic unit 13 after the tip position of the strip being detected. This coils number s and the set number N of coils are compared. In case of n+1<N a selective means 16 is switched so that the weak pressing force transmitted from a pressing setter 14 is set to a pressing force setter 18 by operating a changeover device 17. In case of n+1>=N the wrapper roll 2 is pressed by the pressing force corresponding to the late thickness of the strip S. In case of n+1<N the pressure liquid to feed to the liquid pressure cylinder 7 by the selecting means 20 of the jumping quantity is controlled to jump the wrapper roll 2.
Patent JP-H02113752-A (JP)
Title: Signal receiver
Inventor: SAKURAGI SATOSHI
IPC: H04M11/00
Filed: 1988-10-24
Abstract: PURPOSE:To miniaturize a data communication system by utilizing a reception signal power of an interface and supplying power to the signal receiver when the length of a cable is short. CONSTITUTION:Data communication is implemented between a data terminal equipment 100 being the driver side of, e.g., an RS232C interface and a receiver 10 being the receiver side and the driver an the receiver are connected by RS232C reception signal lines 102, 104, 106,.... Since the voltage level of the signal sent via the communication interface is supplied as the power of the receiver side of the communication interface, in the case of a system in which a cable with a short length is used between the two devices 10 and 10, the power supply circuit is enough to be provided to either of them. Thus, the system can be miniaturized.