baber/WOPTO huggingface dataset:
Patent JP-2001237286-A (JP)
Title: DEVICE AND METHOD FOR Si WAFER CHECK
Inventor: KOJIMA HISATSUGU
IPC: H01L21/66
Filed: 2000-02-21
Abstract: PROBLEM TO BE SOLVED: To provide an Si wafer checking device and the Si wafer checking method which can surely check cracks on the Si wafer. SOLUTION: A first airtight pad 4 which is provided in an upper chamber 2 and a second airtight pad 5 which is provided in a lower chamber 3 are firmly fixed in the front and rear surfaces of an Si wafer 13, and a first valve 9 which is provided on a gas introducing tube 8 and a second valve 12 which is provided in a gas exhausting tube 11 are released. Helium gas flows out from a vessel 7 and is supplied to a space between the upper chamber 2 and the Si wafer 13. When a vacuum pump which is contained in a helium gas detector 10 is driven, air in the space between the lower chamber 3 and the Si wafer 13 is exhausted. In case a crack is formed on the Si wafer 13, helium gas is detected by the helium gas detector 10 via the gas exhausting tube 11.
Patent JP-2001237251-A (JP)
Title: Method of manufacturing semiconductor device
Inventor: KITAKOGA TORU
IPC: H01L23/12
Filed: 2000-02-21
Abstract: PROBLEM TO BE SOLVED: To improve the production efficiency of an optical semiconductor device such as laser, diode, etc., using a can-case type package with a heat sink block. SOLUTION: The manufacturing method comprises at least a first step PI for preparing a die pad frame having a plurality of connected sub-mount carriers each mounting a heat sink member having a first semiconductor element formed thereon, a second step P2 of mounting the heat sink members on first main surfaces of the submount carriers to manufacture mounting-finished carriers, a third step P3 of mounting second semiconductor elements on the heat sink members mounted on the mounting-finished carriers to manufacture element mounting-finished carriers, a fourth step P4 of cutting the die pad frame to individualize the element mounting-finished carriers, and a fifth step P5 of mounting the individualized carriers on a heat sink block provided on the stem of a can-case type package.
Patent JP-2001237489-A (JP)
Title: Laser diode drive circuit
Inventor: TSUJI NOBUAKI
IPC: H01S5/042
Filed: 2000-02-22
Abstract: PROBLEM TO BE SOLVED: To provide a laser diode drive circuit which supplies fast pulse current to a laser diode. SOLUTION: There are provided a current source 10, which supplies a current to a laser diode 13, an NMOS transistor 11 which is provided between the current source 10 and the laser diode 13 as a first switch means, and driven by a first voltage pulse signal SW1, and an NMOS transistor 12 which is provided between a pseudo-load 14 and a connection point N1 between the current source 10 and the NMOS transistor 11 as a second switch means, and driven by a second voltage pulse signal SW1', whose phase is opposite to that of the first voltage pulse signal SW1.
Patent JP-2001235424-A (JP)
Title: Surface inspection device
Inventor: KAWAMURA TSUTOMU
IPC: G01B11/30
Filed: 2000-02-23
Abstract: PROBLEM TO BE SOLVED: To certainly detect a pattern-like scab flaw having no marked unevenness like the crack, dent or tear-off of a surface to be inspected. SOLUTION: Polarized light is allowed to be incident on the surface of a steel panel 4 at a constant incidence angle, and the intensities of polarized lights different in angle of the reflected rights thereof are detected by light detection camera units 25a-25d. A signal processing part 30 detects a combination pattern of the width and length of the flaw in a flaw candidate region, the density peak value of the flaw part with respect to polarized lights different in angle and the polarity of a density integrated value based on a normal part as characteristic quantity to judge the kind of a flaw.
Patent JP-2001234170-A (JP)
Title: Coke oven and preparation process of coke
Inventor: KIMURA YOSHIHISA
IPC: C10B21/20
Filed: 2000-02-24
Abstract: PROBLEM TO BE SOLVED: To provide a coke oven which allows uniform heating in the direction of the oven height and reduces the generation of NOx, and a preparation process of cokes. SOLUTION: This coke oven is equipped with a combustion chamber bottom structure wherein both a fuel passage 1 and an air passage 2 connecting a heat-accumulating chamber to the combustion chamber are enlarged in the direction of the oven width toward the combustion chamber. Preparation of cokes using this coke oven enables uniform heating and shortened distillation time.
Patent JP-2001241141-A (JP)
Title: Steel plate dowel with waveform slip stop part and concrete filling steel pipe
Inventor: YAMAMOTO TATSUYA
IPC: E04C3/293
Filed: 2000-02-25
Abstract: PROBLEM TO BE SOLVED: To provide a steel plate dowel capable of eliminating waste of a material cost and reducing a cutting working cost, and provide a concrete filling steel pipe superior in compression strength filling by incorporating the steel plate dowel. SOLUTION: A plurality of the steel plate dowels 8 extending on the inner face of a steel pipe 5 along a substantially entire length are welded and joined, and the steel plate dowel 8 has a connection plate part formed continuously on the steel pipe side part of a part of the width direction over the entire length, and the waveform slip stop part of a waveform formed on the part other than the connection plate part over the entire length.
Patent JP-2001240490-A (JP)
Title: Semiconductor silicon wafer manufacturing method
Inventor: UMENO SHIGERU
IPC: C30B29/06
Filed: 2000-02-25
Abstract: PROBLEM TO BE SOLVED: To provide a silicon wafer with fewer defects caused by COP on the surface. SOLUTION: The wafer, in which the ratio of the diameter (d) of a defect existing zone to the diameter of the wafer is 0.8 or less, is heat treated at high temperature, which results in the disappearance of the defects. Preferably, nitrogen is added when pulling-up, quenching is done when pulling-up, heat treatment is done in hydrogen or argon, and then, heat treatment is done in oxygen, which accelerates the disappearance of the defects.
Patent JP-2001240133-A (JP)
Title: Commodity package
Inventor: KISO MASAHIRO
IPC: B65D77/26
Filed: 2000-02-28
Abstract: PROBLEM TO BE SOLVED: To provide a commodity package with which an expense required for packaging can be lowered by reducing packing materials, classification at collecting is easy, stocking space for the packing materials can be small, generating little toxic gas in burning. SOLUTION: The commodity package is provided with a main body with a commodity storage section and a case for storing the container main body, and the case for a commodity so stored in the commodity storage section of the container main body as to be visually recognized is formed of a transparent or translucent synthetic resin sheet, and the container main body is formed by assembling a combustible sheet material to be collected separately from the case.
Patent JP-2000253087-A (JP)
Title: Phase lock loop device used in digital communication system
Inventor: CASO GREGORY S
IPC: H04L27/233
Filed: 2000-02-28
Abstract: PROBLEM TO BE SOLVED: To suppress deviation in phase tracking and the error rate in the restored data as much as possible by evaluating a pair of vectors of one set of phase stabilization observable in accordance with the decoded data in each code word, generating a decision an estimated directivity phase error, filtering the estimated decision directivity phase error and calculating the updation value of an estimated phase in each code word. SOLUTION: A comparator 315 subtracts the incoming phase of an input modulation signal from the phase in the middle of currently estimating and uses it to generate phase difference. A polar/rectangular converter device 317 converts a pair of variables of polar coordinates into a pair of vectors of one set of phase stabilization observable in a rectangular form. a maximum likelihood block decoder 318 is connected to the device 317 to decode a set of vector pairs of the phase stabilization observable in the rectangular form at a decode rate to generate decode data. A vector error evaluating part 319 generates an estimated decision directivity phase error. This is filtered to update the estimated phase.
Patent JP-2001245443-A (JP)
Title: Uninterruptible power supply device
Inventor: TAKIZAWA NAOMI
IPC: H02J9/06
Filed: 2000-02-29
Abstract: PROBLEM TO BE SOLVED: To provide an uninterruptible power supply device capable of safely removing an inverter for its maintenance and inspection, or upon a trouble. SOLUTION: Each voltage emerged at each AC and DC terminal of a forward power convertor 3, a reverse power converter 5 and a forward/reverse power convertor 7 is monitored with a monitor 17. The monitor 17 displays a voltage of each AC and DC terminal, and a removal for each converter guidance on a display means 23.
Patent JP-2001239274-A (JP)
Title: Method of treating colored waste water
Inventor: HIRATSUKA MITSUNORI
IPC: B01D11/04
Filed: 2000-03-01
Abstract: PROBLEM TO BE SOLVED: To provide a method of treating colored waste water containing phenylhydrazines. SOLUTION: The method of treating colored waste water containing phenylhydrazines comprises subjecting the colored waste water containing phenylhydrazines to oxidation treatment and then extracting the treated water with an organic solvent containing at least one of tertiary amines.
Patent JP-2001246739-A (JP)
Title: Ink-jet recording apparatus
Inventor: FUKAZAWA SHIGENORI
IPC: B41J2/01
Filed: 2000-03-06
Abstract: PROBLEM TO BE SOLVED: To provide an ink-jet recording apparatus which is free from trouble even when ink cartridges are replaced erroneously. SOLUTION: A carriage control means for controlling the moving speed of the carriage 1 when it is moved to a home position at which a capping means is arranged, after the ink cartridges 7, 8 are set on the carriage 1 located in an ink cartridge replacement window so that the second moving speed (B) of the cartridge 1 after the passage of the window is higher than the first moving speed (A) of the cartridge 1 before the passage of the window is provided. Preferably, the relation among the first moving speed (A), the second moving speed B, the third moving speed (C), the fourth moving speed (D), and the fifth moving speed (E) is controlled to be (C=D)<=A<B<=E.
Patent JP-2001251028-A (JP)
Title: Power source wiring method for electronic equipment and power source wiring device
Inventor: HIRANO MASAYUKI
IPC: H05K3/20
Filed: 2000-03-06
Abstract: PROBLEM TO BE SOLVED: To provide a power source wiring method and a power source wiring device capable of stably supplying a large current and which has high reliability, without enlarging a printed board. SOLUTION: In a power source wiring structure for electronic equipment in which a printed board 1 with a large current capacity is supplied with power source via a power source pattern 2, the power source pattern 2 is formed by a positive side conductive plate 3 and a negative side conductive plate 4 both being formed with a conductive material and soldered on the printed board 1 and an insulator 5 being sandwiched between the conductive plates 3 and 4. Thus, the printed board 1 with a large current capacity can be supplied with power source without increasing its size.
Patent JP-2001250372-A (JP)
Title: Memory and memory control method
Inventor: KAWASHIMA HIROSHI
IPC: G11C7/00
Filed: 2000-03-07
Abstract: PROBLEM TO BE SOLVED: To provide a memory capable of executing a data inserting processing and a data deleting processing at high speed. SOLUTION: A data inserting processing or data deleting processing and the data entry changing processing of stored data are executed in parallel by making the data shift among adjacent entries to be executed by outputting data shift signals to entries in a storage means based on an instruction signal instructing the data inserting processing or the data deleting processing. The data shift signal includes a signal indicating the data input-output directions of among mutual adjacent entries to realize the deleting of plural data storage entries to be generated by being accompanied by the data inserting processing and the deleting of address sequenced data blank entries to be generated by being accompanied by the data deleting processing.
Patent JP-2001248821-A (JP)
Title: Equipment for waste gas treatment in semiconductor production
Inventor: MINE SATOHIKO
IPC: F23G7/06
Filed: 2000-03-08
Abstract: PROBLEM TO BE SOLVED: To provide an equipment for waste gas treatment in a semiconductor production in which waste gas silane(SiH4) in a semiconductor production process is subjected to a combustion treatment in advance, and the gas is sent to a waste gas treating equipment for decomposition of fluorocarbon(PFC) of an original treatment target, and silica is prevented from adhering on a silane decomposition apparatus and a fluorocarbon decomposition apparatus. SOLUTION: In an equipment for detoxification treatment of waste gas in a semiconductor production for treating waste gas containing at least fluorocarbon(PFC) and silane(SiH4), a silane-treating equipment is disposed in a preceding stage to another waste gas treatment equipment for treating fluorocarbon. The silane-treating equipment comprises a silane-containing waste gas inlet 2, an ignition burner 1, and a combustion air inlet 3. The waste gas inlet 2 is inserted in the inside of the silane treating equipment, and the outlet from the waste gas inlet 2 is positioned downstream of the ignition burner 1, the outlet of the combustion air inlet 3 is positioned downstream of the outlet of the waste gas inlet 2, and the combustion air is mixed with the waste gas in the downstream side of the outlet from the waste gas inlet 2.
Patent JP-2001253127-A (JP)
Title: Recording paper guiding mechanism
Inventor: KUBOTA KOJI
IPC: B41J2/01
Filed: 2000-03-08
Abstract: PROBLEM TO BE SOLVED: To provide a recording paper guiding mechanism for a serial printer, capable of printing with a high accuracy, and preventing lifting of a recording paper or wrinkle generation. SOLUTION: This recording paper guiding mechanism 100 for a serial printer comprises a frame 121, an ink carriage 109 mounted on the frame 121 movably along the width direction of a recording paper 200 while spraying an ink on the recording paper 200, and a projection 116 mounted on the ink carriage 109 movably from one end rim of the recording paper 200 to the other end rim together with the ink carriage 109 for pressing the recording paper 200.
Patent JP-2001256856-A (JP)
Title: Membrane keyboard
Inventor: TOTSUKA ZENZO
IPC: H01H13/70
Filed: 2000-03-09
Abstract: PROBLEM TO BE SOLVED: To provide a membrane keyboard composed of one membrane sheet wherein electrodes on the membrane sheet are not distorted. SOLUTION: The membrane sheet 25 is arranged on a reinforcing board 26 for composing an upper sheet 27 and a lower sheet 28, wherein the upper sheet 27 and the lower sheet 28 are connected by a connecting part 29. A relief hole 34 are formed on the reinforcing board 26 in a position opposite to the connecting part 29 of the membrane sheet 25. By forming the relief hole 34, a deflected part of the connecting part 29 is entered in the relief hole 34, thereby deflected parts are formed on both upper and lower sides at the connecting part 29.
Patent JP-2001256565-A (JP)
Title: Settlement terminal machine for non-contact ic card
Inventor: KAWASAKI HARUO
IPC: G06Q50/00
Filed: 2000-03-09
Abstract: PROBLEM TO BE SOLVED: To provide a settlement terminal machine small in size, high in operating speed and capable of securing security in the case of performing subtraction processing by using the value charged in a non-contact IC card for a price settling means for merchandise purchase in a kiosk or the like. SOLUTION: This terminal machine is provided with an antenna 2 projecting from a housing for reading/writing data by putting the non-contact IC card thereover, a bar code scanner 16 for recognizing a merchandise code, at least two amount indicators 3 and 4, a keyboard 5 for inputting numerals, a printer 6 for a receipt, a modem 7 for communication with a center, a memory card 12 for storing a price data table corresponding to the merchandise code read from a bar code and a control part 13 for controlling them.
Patent JP-2001254635-A (JP)
Title: Gas turbine starter
Inventor: IGUCHI KAZUHARU
IPC: F02C7/268
Filed: 2000-03-09
Abstract: PROBLEM TO BE SOLVED: To provide a gas turbine starter devised to start by using an alternating electric power source in a simple mechanism in comparison with an inverter without changing a direct current motor mounted on a gas turbine at all. SOLUTION: It is furnished with an AC/DC power device 12 to convert an alternating electric power source to a proper direct current electric power source as a starting characteristic of a gas turbine, and a direct current electric cuurent from this AC/DC power device 12 is supplied to a direct current motor 16 for starting belonging to a gas turbine 14.
Patent JP-2001250213-A (JP)
Title: Magnetic head and magnetic disk device
Inventor: KANEKO JIRO
IPC: G11B5/60
Filed: 2000-03-07
Abstract: PROBLEM TO BE SOLVED: To solve problem a magnetic head can not be used due to that connection is high, an FPC is burnt and an adhesive is peeld off, and electrostatic breakdown occurs with the static electricity in the magnetic head in the conventional bump structure. SOLUTION: The magnetic head is structured so that a conductor is exposed on the opposite side of a bump of a connection terminal, and the exposed conductor part is short-circuited by a short circuit member. Consequently, the heating temperature at the time of the solder connection can be lowered, to improve its connection workability and connection reliability, and also the electrostatic breakdown of the magnetic head can be prevented to contribute the improvement in reliability and cost reduction of the device.
Patent JP-2001257815-A (JP)
Title: Image communication device
Inventor: YOSHIDA TAKEHIRO
IPC: H04N1/00
Filed: 2000-03-14
Abstract: PROBLEM TO BE SOLVED: To provide an image communication device, which is reducible in total cost by enabling common use for both USA and Europe machines and facilitating production management, management of service components, etc., as an image communication device having a PDL function. SOLUTION: The image communication device to which a unit having the PDL function can be connected has a system controller for the image communication device, a control signal transmitting and receiving means which sends and receives control signals to and from the unit having the PDL function, and a machine name specifying command notification means which notifies the above unit of a command specifying the machine name of the image communication device from the system controller; and the PDL function determines the machine name according to the command which is received from a facsimile controller and specifies the machine name and informs a network or personal computer of it.
Patent JP-2001262496-A (JP)
Title: Method for producing paper board having excellent suitability of rule crack resistance
Inventor: KAI KAZUO
IPC: D21H17/07
Filed: 2000-03-14
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a paper board having excellent suitability of rule crack resistance, excellent paper strength and flexographic ink drying properties, widely usable with other chemicals. SOLUTION: This method for producing a paper board having excellent suitability of rule crack resistance comprises providing a pulp slurry with an amphoteric surfactant containing at least one or more 8-24C straight-chain and/or branched-chain hydrocarbon groups in the molecule.
Patent JP-2001256639-A (JP)
Title: Magnetic recording medium
Inventor: MASAKI KOICHI
IPC: G11B5/84
Filed: 2000-03-14
Abstract: PROBLEM TO BE SOLVED: To provide a magnetic tape, having a large capacity and a high transfer rate in which servo tracking is made possible and the track density is improved, without causing decrease in the extent of the data area and to provide a magnetic recording medium which shows superior traveling stability in the system using a multitrack head and which is free of deformations and fly-outs of the tape when the medium is wound on a reel to store the data. SOLUTION: In the magnetic recording medium, having a magnetic layer on one surface of a support body and having a back layer containing carbon black and a binder on the other surface, the back layer contains oxide fine particles having photochromic properties, and has grooves on its surface.
Patent JP-2001263432-A (JP)
Title: Manufacturing method of belt for power transmission
Inventor: KITAHAMA YASUSHI
IPC: F16G5/20
Filed: 2000-03-15
Abstract: PROBLEM TO BE SOLVED: To provide a manufacturing method of a belt for power transmission with excellent heat resistance, improved belt traveling service life, and optimum for the high-load transmission. SOLUTION: This manufacturing method of the belt for power transmission comprises a step of patterning a rubber member forming a compressed rubber layer and manufacturing a cog pad having a cog ridge portion 9 and a cog valley portion 8 in an alternate manner, a step of manufacturing a cog pad 21A having a reinforcing cloth with the reinforcing cloth 4 adhered to the surface of the cog ridge portion 9 and the cog valley portion 8 of the cog pad 21 so that the reinforcing cloth is not extended, a step of winding the cog pad 21A having the reinforcing cloth with both end cog ridge portions 9 cut around a grooved mold to allow the cut surface of both end cog ridge portions the abut thereon, and a step of successively winding a material forming a core wire and an expandable rubber layer to manufacture a formed body, vulcanizing the rubber layer,  and cutting the obtained vulcanized sleeve in a V-shape to manufacture the belt for power transmission.
Patent JP-2000275062-A (JP)
Title: Absolute position transducer having non-binary code truck type scale and absolute position determining method
Inventor: NILS INGVAR ANDAAMO
IPC: G01B7/00
Filed: 2000-03-15
Abstract: PROBLEM TO BE SOLVED: To obtain an absolute position transducer corresponding to kinds of extensive uses including a use requested a very long measuring range and a low electric power use. SOLUTION: An absolute position transducer 100 comprises a reading head 102 and a scale member 104, where the head 102 and scale member 104 are movable each other along a measurement axis 106. The transducer 100 also includes a dense-wavelength transducer 210 and a code truck transducer 230. The code truck transducer 230 creates an analog rough-wavelength by computing a phase difference between a phase angle of the dense-wavelength transducer 210 and a dense-wavelength output of the code transducer 230. Also, it creates a non-binary code.
Patent JP-2000299428-A (JP)
Title: Precision aligning method for chip for mounting on board
Inventor: POGGE H BERNHARD
IPC: H01L21/68
Filed: 2000-03-17
Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing a module that has a chip mounted on a carrier board, with the use of a guide board which can be penetrated by ablation radiation. SOLUTION: A removable layer 37 is provided on a surface of a guide board 35. A first alignment guide 36 is formed on the removable layer, and a second alignment guide 21 is formed on the front side surface of a chip 30. By bringing the second alignment guide 21 into contact with the first alignment guide, the chip is aligned with the guide board. Then the chip 30 is mounted on the guide board 35. A carrier board 52 is mounted on a rear side surface of the chip. Then, using radiation which penetrates the guide board (generally laser radiation), an interface between the removable layer 37 and the guide board 35 is melted and removed, so that the guide board 35 is cut off. Then a thin film provided with metallic interconnection is provided on the front side surface of the chip.