baber/WOPTO huggingface dataset:
Patent JP-H05144703-A (JP)
Title: Reduction projection aligner
Inventor: SHIGIHARA KAZUHITO
IPC: H01L21/30
Filed: 1991-11-20
Abstract: PURPOSE:To improve throughput, to alleviate load on a reticle stage mechanism system, to simplify the constitution and to align a reticle accurately by correcting positional error and rotational amount of reticle through a wafer stage when the reticle is aligned through a reduction projection aligner. CONSTITUTION:A reticle 1 is subjected to positional detection through a reticle alignment optical system 5 in order to calculate positional shifts in X, Y directions from the optical axis 4 of a demagnification leans 2 and a positional shift in rotational direction from a wafer 3. These shifts are corrected on the wafer 3 by means of a wafer stage 6 at the time of rotational correction of the wafer 3 and step and repeating time. According to the invention, a highly accurate, low cost, high throughput reduction projection aligner suitable for high integration can be obtained.
Patent JP-H10139618-A (JP)
Title: Alginate impression material
Inventor: ODA MICHIKO
IPC: A61K6/90
Filed: 1996-11-15
Abstract: PROBLEM TO BE SOLVED: To obtain an alginate impression material by compounding an alginate, gelling agent, gelling regulator and specific diatomaceous earth so as to improve the kneadability of the material and facilitate its kneading ad also afford fluidity when it is put to pressure contact and be small in fluidity variance due to its own weight. SOLUTION: This impression material comprises an alginate, gelling agent, gelling regulator, and both disc-shaped and bar-shaped particles of diatomaceous earth. For the disc-shaped diatomaceous earth Particles, the ratio: major axis/ minor axis is pref. (1:1.5) while for the bar-shaped diatomaceous earth particles, the above ratio is pref. 3-20. Furthermore, it is preferable that the weight ratio for the two types of diatomaceous earth is (1:9) to (9:1). This impression material affords impressions of excellent surface profile.
Patent JP-2000133949-A (JP)
Title: Circuit board
Inventor: INADA TEIICHI
IPC: H05K1/03
Filed: 1998-10-27
Abstract: PROBLEM TO BE SOLVED: To provide a circuit board that is excellent in connection reliability. SOLUTION: A circuit board comprises a mounting board and an electronic part mounted and fixed on it with adhesive agent, where connecting lands formed on the surface of the mounting board corresponding to the connecting electrodes of the electronic part are electrically connected to the electrodes of the electronic part. The mounting board is equipped with an inner insulating layer and an outer insulating layer that supports the connecting lands, and provided that the electronic part is fixed to the mounting board at a temperature of 170 deg.C, and the thermal deformation temperature (ASTM D648) of the outer insulating layer is lower than 80 deg.C.
Patent JP-2001127293-A (JP)
Title: Unipolar transistor
Inventor: KINOSHITA SHIGENORI
IPC: H01L21/336
Filed: 1999-10-27
Abstract: PROBLEM TO BE SOLVED: To improve the characteristic of a self arc-extinguishing element used in the semiconductor power conversion circuit of an inverter and to improve conversion efficiently. SOLUTION: Threshold voltage is increased much more by a method for improving the frequency characteristic of parasitic diode of MOSFET as a unipolar transistor. Threshold voltage is increased much more than the on- voltage of MOSFET and the current of MOSFET in a gate-on state is bi- directionally operated.
Patent JP-2000128945-A (JP)
Title: Aromatic polycarbodiimide and its sheet
Inventor: MATSUMURA AKIKO
IPC: C08G73/00
Filed: 1998-10-27
Abstract: PROBLEM TO BE SOLVED: To obtain an polycarbodiimide having a high solubility in organic solvents, good in processability and having excellent heat and moisture resistances by polymerizing a specific diisocyanate monomer. SOLUTION: (A) A diisocyanate monomer represented by formula I is used as a monomer and polymerized in the presence of (B) a phosphorus-based catalyst (e.g. 1-phenyl-2-phospholene-1-oxide) preferably at 40-150 deg.C to thereby afford an aromatic polycarbodiimide having a constitutional unit represented by formula II [(n) is 2-300]. In the above polymerization, the concentration of the component A is preferably 5-70 wt.%. A molded product prepared by molding the polycarbodiimide into a filmy form can be used as a heat-resistant bonding sheet and is useful for especially a fixing treatment for electrical and electronic parts such as semiconductor chips or lead frames requiring the fixing treatment of high reliability and further low hygroscopicity.
Patent JP-H09147554-A (JP)
Title: Dynamic storage device and its driving method
Inventor: SAKAKIBARA KENICHI
IPC: G11C11/406
Filed: 1995-11-24
Abstract: PROBLEM TO BE SOLVED: To simplify a control signal for selecting a refresh interval, improve the yield of a device with a self-refreshing function, and to eliminate the risk for losing storage data. SOLUTION: Refresh timing signal generation parts 3a and 3b for generating first and second refresh timing signals RTF1 and RTF2 with mutually different periods are provided. A refresh timing selection circuit 9 and a selector 4 are provided for selecting either of first and second refresh timing signals RFT1 and RFT2 according to the time difference of the level change timings of external column address control signal RAS* and row address control signal. Self- refreshing operation is performed by an internal address signal IAD where an address value is updated in synchronization with the selected refresh timing signal. Products are classified according to the data retention time of the memory cell and an external control signal is prescribed for driving.
Patent JP-H03165580-A (JP)
Title: Electric field injection type light emitting element
Inventor: KURIHARA NORIKO
IPC: H01L21/205
Filed: 1989-11-25
Abstract: PURPOSE:To obtain an electric field injection type light emitting element which is long in service life and high in luminance and able to cover all visible ray region by a method wherein a light emitting layer provided with a diamond thin film whose surface is flat and which is synthesized through a vapor phase method is provided. CONSTITUTION:An electric field injection type light emitting element is formed making a diamond thin film provided with a flat face serve as the component layer of a light emitting layer. In the light emitting element concerned, a transparent electrode 2 of SnO2, ITO, or the like is provided onto a transparent substrate 1 of quartz, light transmitting alumina ceramic, or the like. An electrode 4 formed of one or more kinds of metal is provided onto a diamond layer 3, and a direct or an alternating voltage power supply 5 is connected to the transparent electrode 2. A flat diamond thin film can be obtained in such a manner that Si3N4 is deposited first as thick as 0.6-1mum on a diamond thin film whose surface is still rugged, then the surface of the diamond thin film is etched by the use of an Ar<+> ion beam or an O2 plasma beam to be flat. When the surface of the thin film is polished by iron, cobalt, or the like, it is rubbed with an iron plate heated to 500 deg.C or so to be flat.
Patent JP-H02150826-A (JP)
Title: Head device for side printing
Inventor: SHIMODA TOMOYUKI
IPC: G03B17/24
Filed: 1988-12-02
Abstract: PURPOSE:To form a linear sharp image of an edge part by composing a light guide of one optical fiber for one light source, providing a mask which has rectangular holes on the light projection surfaces of light guides, and exposing a color photosensitive material to light passed through the rectangular holes. CONSTITUTION:Each light guide consists of a light source 14 and an optical fiber 16 to guide light from the light source 14 to the light projection surface 17, light projection surfaces 17 are arranged in two arrays at right angles to the conveying direction M of the photosensitive material, and the mask 12 which has the rectangular holes 20 in the contours of the cores of the respective light projection surfaces 17 is provided. Then light beams projected in two arrays from the light projection surfaces 17 through the mask 12 are put together in one array on the surface of the photosensitive material F to print an image. One dot of an image to which the photosensitive material surface is exposed is rectangular as well as the rectangular holes formed in the mask means and the edge part of one column formed by combining them is linear. Consequently, a mark having linear edge parts is formed on a film.
Patent JP-H01150041-A (JP)
Title: Extending and contracting connection material and its manufacture
Inventor: IKOMA NOBUYASU
IPC: F16G13/00
Filed: 1987-12-04
Abstract: PURPOSE:To eliminate the generation of noise and rust by forming a space in an extending and contracting direction in a connecting part of a link prevented from coming into contact with each other and providing rubber between side plates in such a manner as to coat the inside of this space and the periphery of the link. CONSTITUTION:One part of a link 2 is respectively secured to the inside of a side plate 1, and its outside secures a connecting link 3. The link 2 is connected by the two or more links 2. The respective link 2 is prevented from coming into mutual contact with a connecting part and the side plate 1, forming a space S1 in an extending direction and spaces S2 and S3 in a compressing direction. Buffer 4 adhesively mounts both the side plates 1 while coats the link 2, further even a space between the links 2 is filled with the rubber 4 by adhesion. Thus applying the shock absorbing action to act while providing an extending and contracting quality, further the generation of noise and also rust is eliminated.
Patent JP-H08159613-A (JP)
Title: Refrigerant heating unit
Inventor: HIRASAWA FUSAO
IPC: F25B40/06
Filed: 1994-12-09
Abstract: PURPOSE: To provide a refrigerant heating unit which is capable of reducing the thickness of a heat exchanger unit. CONSTITUTION: A refrigerant heating unit which heats refrigerant is provided with a burner case unit 2 which houses a burner which burns fuel inside, and a heat exchanger unit 3 which is installed in the burner case unit 2 and provides a refrigerant pipeline installed on the outside surface of fins 12 mounted integrally on the inner surface and heat exchanges combustion gas from the burner and the refrigerant flowing in a refrigerant pipeline 11 and an exhaust gas case unit 4 which is installed to the heat exchanger unit and collects the combustion gas which has passed through the heat exchanger unit and discharges the collected exhaust gas. The burner case unit, the heat exchanger unit 3 and the exhaust gas unit 4 are molded in one piece.
Patent JP-H05146093-A (JP)
Title: Power supply
Inventor: ISHII AKIHIKO
IPC: H04Q9/00
Filed: 1991-11-21
Abstract: PURPOSE:To make it possible to supply power without imposing restrictions on mission operation by switching the charging current based on a command signal received from a ground station upon occurrence of single failure in an arbitrary battery. CONSTITUTION:Upon occurrence of single failure in an arbitrary battery, a ground station transmits a command signal to a maximum charging current switching section 14 where a reference voltage signal, to be fed through an electromagnetic relay 15 to a linear amplifier 16, is switched from a first reference voltage signal VREF 1 to a second reference voltage signal VREF 2. Consequently, contact state of the electromagnetic relay 15 is switched and thereby the charging current value of battery is switched in charge/discharge controllers 12, 13. According to the invention, power can be fed normally to a load without imposing restrictions on mission transmission.
Patent JP-H03168338-A (JP)
Title: Compression ratio controller of engine
Inventor: ISAKA YOSHIHARU
IPC: F02D15/04
Filed: 1989-11-24
Abstract: PURPOSE:To obtain a desired compression ratio even in a middle speed rotational region by forming a volume variable means of a combustion chamber out of a guide hole of circular cross section that opens to the combustion chamber, and of a sliding rod of circular cross section that is inserted therein in the shaft direction, so as to adjust the degree of projection of one end side of the sliding rod, in a continuous mode. CONSTITUTION:When rotational shafts 26 are rotated in reverse direction with each other, a cam part 27 is rotated while the inner circumferential surface of a cam engagement hole 24 is slid at the same time, and a sliding rod 17 is pushed up by a slider 23 while a sliding hole 22 is slid thereby at the same time. When an engine 1 is in a high speed rotational region, the sliding rod 17 is slid by an operating means 20 through a servo motor as well as an electronic controller, and by receding the lower end side 17a thereof from a combustion chamber 7, the volume of the combustion chamber 7 is enlarged. When the engine 1 is in a low speed rotational region, its lower end side 17a is protruded to a large degree in the combustion chamber 7, whereby the volume of the combustion chamber 7 is reduced. When the engine 1 is in a middle speed rotational region, the lower end side 17a, is protruded to a certain degree. The volume of the combustion chamber 7 can be thus adjusted a continuously, and a compression ratio in each rotational region can be set adequately thereby.
Patent JP-S63160249-A (JP)
Title: Semiconductor device
Inventor: MIYAMOTO KEIJI
IPC: H01L21/60
Filed: 1986-12-24
Abstract: PURPOSE:To flatten the surface of a bump electrode and to contrive improvement in connecting strength with a lead by a method wherein, in a tape-carrier type device, a bump electrode is formed on the upper part of the external terminal (bonding pad) located in the aperture of the passivation film of a chip. CONSTITUTION:A base metal film 2A and an intermediate conductive film 2B are formed on the surface of the external terminal 1A of a chip 1 and also on the surface of a passivation film 1B. Then, gold is grown on the surface of the film 2B using a plating mask in such a manner that the part smaller in size than the aperture part 1C of the film 1B will be exposed on the flat surface of the film 2B, and a bump electrode 2C is formed. Is the electrode 2C is formed on the flat surface of the external terminal 1A, the surface of the electrode can be made flat, and a recessed part is not generated in the center part of the electrode. Accordingly, the connecting strength with the inner lead can be improved.
Patent JP-H09124042-A (JP)
Title: Folding inner partition for container
Inventor: TAKAURA NOBUHIRO
IPC: B65D25/04
Filed: 1995-10-31
Abstract: PROBLEM TO BE SOLVED: To simplify a folding set so as to improve operational efficiency and make a setting of a deep bottom type article housing pocket possible, in a folding inner partition for a container which is mounted in the container, houses parts of automobile in the article housing pocket, and can be folded and set compactly after an article is taken out. SOLUTION: In one direction of a bottom plate 2 to be placed on a container bottom 13, partition plates 3 are arranged in parallel. The spaces among the partition plates 3 are made to be article housing pockets 5. The partition plates 3 can be erected and flattened with respect to the bottom plate 2 and auxiliary partition plates 7 which finely partition the article housing pockets 5 can be erected and flattened with respect to the partition plates 3. Further, a folding line 6 in parallel with the partition plates 3 is provided on the bottom plate 2. By pinching a partition plate 3A in the central position so as to hang it, the bottom plate 2 is put into a two-folded superposed state. On the bottom plate 2, the group of the partition plates 3 is attached and superposed so as to make a folding setting possible.
Patent JP-2001124332-A (JP)
Title: Hybrid catalytic combustor and gas fan heater
Inventor: SADAMORI HIROMI
IPC: F23N5/02
Filed: 1999-10-28
Abstract: PROBLEM TO BE SOLVED: To obtain a hybrid catalytic combustor 50 comprising a combustion catalytic section 11 for combusting a part of fuel gas through contact oxidation and a gas phase combusting section 12 in which generation of NOx, unburnt hydrocarbon and CO is suppressed by making a transition smoothly to steady combustion, durability is enhanced by preventing temperature rise of a catalyst and combustion is stabilized even under a state where the quantity of fuel is varied depending on the combustion load. SOLUTION: At the time of starting combustion, an initial power is imparted to a combustion gas proportional control valve 2 and an air fan 1 such that a mixture gas having an air ratio sufficient for firing gas phase is obtained while operating an igniter 23 and the mixture gas is fired at a gas phase combusting section 12. Subsequently, the target output value of a temperature sensor 21 is provided in two stages and power of the air fan 1 is increased according to a functional relation between the output value from a temperature sensor and the power of the air fan different at each stage until steady combustion is reached.
Patent JP-H08143840-A (JP)
Title: Glass adhesive sheet
Inventor: SAKURAMOTO TAKAFUMI
IPC: C09J7/02
Filed: 1994-11-16
Abstract: PURPOSE: To obtain the subject sheet excellent in handleability, capable of strongly adhering adherends to each other in a uniform distance through a calcination treatment, and capable of easily controlling the distance by holding a specific organic binder layer on an inorganic fiber cloth. CONSTITUTION: This sheet comprises (C) an inorganic fiber cloth resisting to the calcination temperature of a component A and holding (B) an ordinary temperature pressure-sensitive organic binder layer containing (A) glass powder. It is preferable to have the component B layer on the surface or both the surfaces of the component C. The component A includes lead borosilicate glass powder, and the component B includes an acrylic adhesive. The component A is used in an amount of 10-900 pts.wt. per 100 pts.wt. of the component B.
Patent JP-H11140678-A (JP)
Title: Device of pickling steel strip
Inventor: HAMADA KOICHI
IPC: C23G3/02
Filed: 1997-11-10
Abstract: PROBLEM TO BE SOLVED: To provide a pickling device capable of shortening pickling time with a simple piece of equipment. SOLUTION: A pickling device is provided with upstream side electrodes 5a, 5b to run the current in the longitudinal direction of a steel strip traveling in the pickling solution in a pickling tank 2, downstream side electrodes 6a, 6b provided with the prescribed intervals from the upstream side electrodes, an electric magnet 7 to generate the magnetic field in the width direction of the steel strip between these electrodes, means 14, 15 to measure the width and the thickness of the steel strip provided on the pickling tank inlet side, an operator to calculate the natural frequency of the steel strip between the electrodes, and a frequency controller of the alternating current.
Patent JP-H03167203-A (JP)
Title: Production of acid group-containing polyolefin wax
Inventor: KASHIWAMURA FUMIAKI
IPC: C08L91/06
Filed: 1989-11-27
Abstract: PURPOSE:To obtain an acid group-containing polyolefin wax which is water- dispersible, has high hardness and high crystallinity and is useful as a textile finishing agent, a floor polish, a water-based coating material or the like by bringing a mixture of a polyolefin wax with an acid group-containing polyolefin wax in a molten state into contact with oxygen. CONSTITUTION:A mixture comprising 40-90 pts.wt., desirably 60-70 pts.wt. polyolefin wax (A) (e.g. a polyethylene of an intrinsic viscosity [eta] of usually 0.25-1.0dl/g, desirably 0.4-0.8dl/g as measured in decalin at 135 deg.C and 10-60 pts.wt., desirably 30-40 pts.wt. per 100 pts.wt. in total of components A and B, acid group-containing polyolefin wax (B) (e.g. an oxidized polyethylene wax of an intrinsic viscosity [eta] of usually 0.05-0.4dl/g, desirably 0.1-0.3dl/g as measured in decalin at 135 deg.C is melted at 140-180 deg.C and brought into contact with an oxygen-containing gas to obtain an acid group-containing polyolefin wax of an acid value of 3-20mg/KOH and a penetration <=0.1mm.
Patent JP-H11146456-A (JP)
Title: Portable radio equipment
Inventor: TANITAKA MAMORU
IPC: H04Q7/38
Filed: 1997-11-10
Abstract: PROBLEM TO BE SOLVED: To provide a portable radio equipment capable of automatically selecting a wire modem during charging, utilizing a wire communication channel of less communication charge and performing communication without paying attention to a battery capacity. SOLUTION: This equipment is provided with a charger connection detection part 4 for detecting whether or not a charger 2 is connected, and when the charger 2 is connected, a wire modem 6 is turned ON and a wireless modem 5 is turned OFF by a modem changeover switch 7. When the charger 2 is not connected, the wireless modem 5 is turned ON and the wire modem 6 is turned OFF by the modem changeover switch 7.
Patent JP-H07142914-A (JP)
Title: Manufacture of coaxial laminated dielectric filter
Inventor: MIZUNO KENJI
IPC: H01P7/04
Filed: 1993-11-12
Abstract: PURPOSE:To manufacture the dielectric filter which is suitable for miniaturizing and enabling high function and cost reduction since a circuit pattern and the like can be incorporated into the coaxial laminated dielectric filter. CONSTITUTION:This filter is manufactured by forming an internal electrode patterns 12 which is equal to a coaxial resonator section in size and via connection parts 14 where conductive materials are embedded in through holes positioned in the internal electrode patterns, to laminate the multiple green sheets 10, to press and integrate and then fire them and to mutually conduct respective internal electrodes in the via connection parts 14. It is preferable to provide recessed parts which are slightly larger than the internal electrode patterns 12 on the surfaces of the green sheets 10 so as to form the internal electrode patterns 12 in the recessed parts.
Patent JP-S62229543-A (JP)
Title: Information recorder/reproducer
Inventor: RICHIYAADO ERU UIRUKINSON
IPC: G11B7/08
Filed: 1986-12-23
Abstract: A video recorder-playback machine is provided for recording and/or playing back video information from an information disc. The machine includes a "write" laser and a "read" laser respectively for generating record and playback optical beams which are focused upon the disc by an optical record-playback head. An optics carriage movably positions the head with respect to the disc in moving optical alignment with the "write" laser and carries the "read" laser in fixed optical alignment with the head. The machine includes apparatus for monitoring the record optical beam during operation in a record mode, and for substantially simultaneous operation in a playback mode to monitor the playback optical beam during the recording process.
Patent JP-H02153644-A (JP)
Title: Error detection system in serial data communication system
Inventor: HAGIWARA MASAO
IPC: H04L25/49
Filed: 1988-12-05
Abstract: PURPOSE:To detect an erroneous code which has occurred in the middle of communication and in the middle of data processing by converting a part of serial data to be communicated into a biphase code and detecting errors based on an exclusive OR obtained by means of a logical circuit. CONSTITUTION:A biphase encoding circuit 42 biphase-encodes respective input data bits at every bit, and a CRC(circulating redundancy) generation circuit 37 inputs a data frame signal from a first multiplexer 35 and adds a CRC check code to a second multiplexer 36. A shift register circuit 43 sequentially inputs and accumulates the data frame signals from the first multiplexer 35 from a start code ST, discharges data frame DATA, and sequentially adds data to an exclusive OR circuit by two bits. The circuit 44 adds a signal showing the exclusive OR to an error code generation circuit 45, detects the errors which have occurred in the middle of data processing and generates the error code ER. Thus, the errors which have occurred in the middle of data communication and data processing can easily be detected.