baber/WOPTO huggingface dataset:
Patent JP-2002026288-A (JP)
Title: Mocvd metal oxide for one transistor memory
Inventor: SHIEN TEN SUU
IPC: H01L29/788
Filed: 2001-06-01
Abstract: PROBLEM TO BE SOLVED: To provide a uniform species on a silicon wafer having device separating and metal electrodes when performing MOCVD on a ferroelectric material for manufacturing a one transistor memory device. SOLUTION: A method for manufacturing one transistor memory includes a step of preparing a single-crystal silicon substrate, a step of forming a device region on the substrate, and a step of growing a gate oxide layer on the surface of the substrate. The method also includes a step of causing a lower electrode structure to deposit on the gate oxide layer, a step of implanting ions for forming source and drain regions and activating the implanted ions, and a step of spin-coating a structure having a first ferroelectric layer of about 5-100 nm in thickness. In addition, the method also includes a step of causing a second ferroelectric layer to deposit to a thickness of about 50-300 nm, a step of providing a c-axis oriented ferroelectric material by annealing the structure, and a step of removing the excessive amount of the ferroelectric material by etching the structure.  Moreover, the method also includes a step of causing a protective layer to deposit, a step of causing a silicon oxide layer to deposit, and a step of metallizing the structure.
Patent JP-2002253233-A (JP)
Title: Biochemical sensor and biochemical survey instrument using the same
Inventor: HINURUHAUSU MICHAEL
IPC: G01N33/50
Filed: 2001-06-04
Abstract: PROBLEM TO BE SOLVED: To provide a biochemical sensor having probes homogeneously trapped in every section. SOLUTION: The probes to be used for detecting an objective substance of test are trapped on fine particles 3 in advance, and the fine particles 3 are fixed in every section 2 formed in a lattice state on a substrate 1 by using a surface-chemical patterning method. The fine particles having probes trapped are fixed in a close-packed state in a mono layer in every section. The amount of fine particles fixed on the substrate can be determined by using light scattering of the fine particles or by labeling the fine particles with a fluorescent substance in advance, and the number of probes trapped in each section of every chemical sensor can be determined.
Patent JP-2002364675-A (JP)
Title: Electromagnetic clutch mechanism and coupling using the mechanism
Inventor: EDA TADASHI
IPC: F16D27/115
Filed: 2001-06-06
Abstract: PROBLEM TO BE SOLVED: To prevent an electromagnet from being increased in size, and accordingly consequently to prevent a device from being increased in size and weight, by reducing the loss of magnetic flux and an exciting current. SOLUTION: This electromagnetic clutch mechanism comprises: a pair of torque transmission members 3 and 5; a clutch 7 disposed between the transmission members; a clutch 15 engaged and disengaged by the electromagnet 19; and a cam mechanism 9 operated to engage the clutch 7 when the clutch 15 engaged. A permeability regulating means 21 for regulating the permeability of a magnetic path is disposed between a magnetic wall part 27 forming a part of the magnetic path and the member 3, and the core 91 of the electromagnet 19.
Patent JP-2002104892-A (JP)
Title: Ceramic composite material
Inventor: NAKAGAWA SHIGETO
IPC: C04B35/565
Filed: 2001-06-07
Abstract: PROBLEM TO BE SOLVED: To provide a high temperature structural member able to resist against oxidation and corrosion under high temperature and to use for long hours easily without lowering a strength property of a sintering SiC fiber bonded body of a perform. SOLUTION: The structure of ceramic composite material is characterized in that a sintered SiC fiber bonded body is covered with a layer containing rare earth oxide as a main ingredient, a first layer consists of at least one kind of rare earth oxide showed by the general formula: RE2Si2O7 or RE2SiO5 (RE in the formula shows a rare earth metallic element selected from among the group of Y, Yb, Er, Ho, Dy), and a second layer consists of eutectic crystal generated with combination of >=2 metallic oxides and containing at least one kind of rare earth element showed by the general formula: RE3Al5O12 or REAlO3 (RE in the formula shows a rare earth metallic element selected from among the group of Y, Yb, Er, Ho, Dy, Gd, Sm, Nd, Lu).
Patent JP-2002367165-A (JP)
Title: Magnetic transfer method for high-density magnetic recording medium
Inventor: NISHIKAWA SHOICHI
IPC: G11B5/58
Filed: 2001-06-08
Abstract: PROBLEM TO BE SOLVED: To magnetically transfer magnetic patterns to a high-density magnetic recording medium utilizing the antiferromagnetic bond of two magnetic layers with high accuracy. SOLUTION: A recording and reproducing layer 6 of the magnetic recording medium 1 previously subjected to initial magnetization and an information carrying surface coated with the magnetic layer 12 to the rugged patterns of a substrate 11 of a master carrier 10 are brought into tight contact with each other and a transfer magnetic field Hdu is impressed in the longitudinal direction of the tracks of the magnetic recording medium in a direction opposite to the initial magnetization direction of the second magnetic layer 5.  At this time, the thickness of the magnetic layer 12 of the master carrier 20, material (magnetic permeability), the patterns of the magnetic layer 12, the separating distance between the master carrier 10 and the magnetic recording medium 1, etc., are controlled, by which the magnetic flux by the transfer manufacturing Hdu is prevented from affecting the magnetization of the first magnetic layer 3.
Patent JP-2002367893-A (JP)
Title: Aligner
Inventor: YANAGISAWA MICHIO
IPC: H01L21/027
Filed: 2001-06-08
Abstract: PROBLEM TO BE SOLVED: To provide an accurate aligner capable of cancelling a stage drive reaction force without bringing about a high-frequency vibration unnecessary for a structure at the time of finishing a stage drive or switching a driving direction. SOLUTION: The aligner for exposing a wafer 104 with a pattern of a reticle 102 comprises a reticle stage 101, a wafer stage 103, and mounts 106, 107 and 108 for supporting the structure 105 for mounting both the stages 101 and 103. The mounts 106, 107 and 108 have an air actuator and a linear motor, and a structure vibration detecting means mounted at the structure 105 and a control circuit for controlling the actuator and the linear motor from a position detecting means of the structure 105, together with a control circuit of the mount 106 by processing the drive signal of the stage 101 and/or the stage 103 by a signal processing means such as a dead zone circuit or the like.
Patent JP-2002033540-A (JP)
Title: Laser system
Inventor: GOVORKOV SERGEI V
IPC: H01S3/225
Filed: 2001-06-11
Abstract: PROBLEM TO BE SOLVED: To provide a beam delivery system which efficiently delivers laser beam of 200 nm or less. SOLUTION: A system is provided which delivers the laser beam of wavelength 200 nm or less from such laser as F2 laser or ArF laser to another housing, which eventually reaches a work piece, through a sealed enclosure which is air-tightly connected to the laser. The enclosure is exhausted, and then is filled with inert gas so that air, water, hydrocarbon or oxygen within the enclosure is fully discharged. Then, or instead of that, an inert gas flow is set and maintained in the enclosure while the laser is operated. The inert gas is preferred to be of high purity, for example, 99.5% or above, with 99.999% or above especially preferred. Nitrogen or rare gas is preferred.  The enclosure is preferred to be sealed off using a transparent window against radiation of 200 nm or below so that no contaminant generated within the enclosure comes into the housing to contaminate the surface in the housing. The enclosure is preferred to be made of steel and/or copper, with the window preferred to be made of CaF2.
Patent JP-2002363390-A (JP)
Title: Plasticizer for polyester resin
Inventor: DOBASHI MASAAKI
IPC: C08L67/00
Filed: 2001-06-13
Abstract: PROBLEM TO BE SOLVED: To provide a plasticizer for an amorphous polyester resin which can impart flexibility without adversely affecting the transparency of the amorphous polyester resin, and an amorphous polyester resin composition which excels in flexibility and transparency. SOLUTION: The plasticizer for an amorphous polyester resin is composed of an N-alkylated product (whose alkyl group has 1-22 carbon atoms) of an aromatic sulfonamide, and the amorphous polyester resin composition comprises this plasticizer and an amorphous polyester resin.
Patent JP-2002371314-A (JP)
Title: METHOD FOR MANUFACTURING SLAB OF Ni-CONTAINING STEEL
Inventor: SUZUKI MIKIO
IPC: B22D11/00
Filed: 2001-06-13
Abstract: PROBLEM TO BE SOLVED: To manufacture a slab having such superior surface properties as to be able to prevent cracking of the surface of the slab, and omit the surface- repairing operation of the slab, when manufacturing a continuously cast slab of Ni-containing steel. SOLUTION: The method for manufacturing the continuously cast slab of Ni-containing steel which includes 0.5-50 mass% Ni, comprises adjusting S concentration to 0.001 mass% or less and N concentration to 0.003 mass% or less, and adding Ca and Ti so that the total Ca concentration can be in the range of 1.25×S concentration to 2.5×S concentration, and that Ti concentration is in the range of 3.4×N concentration to 6.3×N concentration, in a smelting process of molten steel, and correcting the slab while controlling the surface temperature of the slab within 850-950 deg.C in the continuous casting process. At this time, P of 0.03 mass% or less, or B of 0.0005-0.002 mass% is preferably added.
Patent JP-2002369757-A (JP)
Title: Bathtub
Inventor: KOYAMA HIROSHI
IPC: A47K3/02
Filed: 2001-06-13
Abstract: PROBLEM TO BE SOLVED: To provide a structure that allows installation of a bathtub with a depth without interfering in a level difference in a bathroom. SOLUTION: In a bathtub 5 in which a bathtub installation surface 3 a step lower is formed through a level difference 2 from a washing place 1 and installed on the bathtub installation surface 3, a lower drooping piece 7c is droopingly formed in a state of being shifted to the installation surface 3 side in the form of a step in the lower portion of an apron 7 erected on the washing place 1 side of the bathtub 5 so that it may not interfere with the step portion 2.
Patent JP-2002370253-A (JP)
Title: Injection molding machine for more than one layers and method for manufacturing injection-molded product comprising more than one layers
Inventor: NAGAOKA TAKESHI
IPC: B29L9/00
Filed: 2001-06-14
Abstract: PROBLEM TO BE SOLVED: To provide an injection molding machine for more than one layers capable of certainly coating a core layer resin with a skin layer resin and capable of partially forming only the necessary place of an injection-molded product into a structure of more than one layers. SOLUTION: The injection molding machine for more than one layers for molding the injection-molded product, wherein the core layer resin is coated with the skin layer resin, is constituted so as to respectively inject the core layer resin and the skin layer resin in the cavity part 11 formed in molds 8 and 9 under pressure from an injection unit 12 for a core layer and an injection unit 13 for a skin layer.  This injection molding machine has a flow channel on-off means 22 for opening and closing the resin flow channel from the injection unit 12 for the core layer to the injection unit 13 for the skin layer, a teaching means 33 capable of setting the injection start timing of the core resin layer more than one times during the injection period of the skin layer and a control means 34 for changing over the on-off state of the on-off means 22 on the basis of the indication of the teaching means 33.
Patent JP-2002077091-A (JP)
Title: Multiplex transmitter, multiplex transmission method and storage means for recording multiplex transmission control software
Inventor: TOMIZAWA MASAHITO
IPC: H04J3/00
Filed: 2001-06-15
Abstract: PROBLEM TO BE SOLVED: To provide a multiplex transmitter suitable for transmission of signals at an ultrahigh speed and a multiplex transmission method, to provide a recording medium for recording a multiplex transmission control software program and to realize a channel identification function being a requirement for ultrahigh speed transmission at a low cost. SOLUTION: The transmitter is provided with a control pulse generating circuit 30 that generates a transmitter side synchronizing signal, a transmitter side synchronization circuit 10 that controls timing when a low-speed frame signal is outputted so as to deviate phases by each channel, and a multiplexer circuit 20 that applies time division multiplex processing to the signal for each channel to generate a high-speed frame signal.  A receiver is provided with a demultiplexer circuit 50 that demultiplexes the high-speed frame signal to generate low speed frame signals of each channel, a low speed frame synchronization circuit 60 that processes the demultiplexed low-speed frame signals to generate a receiver side synchronizing signal synchronously with the low speed frame by each channel, a switch 70 that connects the demultiplexed low speed frame signal outputs of each channel to each predetermined terminal of the channels, and a switch control circuit 90 that controls the switch on the basis of the receiver side synchronizing signal.
Patent JP-2003002989-A (JP)
Title: Prepreg
Inventor: OKAMOTO TAKASHI
IPC: C08J5/24
Filed: 2001-06-19
Abstract: PROBLEM TO BE SOLVED: To provide a thin prepreg less in thickness unevenness and cracks despite using a plenty of thick carbon filaments. SOLUTION: This prepreg is obtained by unidirectionally arranging a plurality of carbon fiber bundles each with 20,000-100,000 filaments and then impregnating the bundles with a matrix resin; wherein a sizing agent comprising an epoxy resin at least containing polyoxyalkylene group or a mixture of an epoxy resin and a polyoxyalkylene group-containing compound is picked up on the carbon fiber bundles, the epoxy contents of the sizing agent is 0.2-5.0×10<-3> equivalent/g, and the polyoxyalkylene group content of the sizing agent is 40-95 wt.%.
Patent JP-2003000234-A (JP)
Title: Enzyme particle
Inventor: IKUGA YUTAKA
IPC: C11D3/386
Filed: 2001-06-20
Abstract: PROBLEM TO BE SOLVED: To provide an enzyme particle having reduced lowering of enzyme activity with passage of time and suppressed generation of powder dust. SOLUTION: This enzyme particle is produced by bonding an enzyme with a binder and propylene glycol. It contains propylene glycol in an amount of 0.05-5 pts.wt. in the enzyme particle, and it is formed by granulating through dry granulation.
Patent JP-2003001781-A (JP)
Title: Decorative plate
Inventor: OGAWA KEIJI
IPC: B32B33/00
Filed: 2001-06-20
Abstract: PROBLEM TO BE SOLVED: To provide a decorative plate which is excellent in the outward appearance of a printed pattern and tone reproducibility and can be prepared easily at a low cost. SOLUTION: The decorative plate is constituted of a decorative sheet 7 and base materials 5. The decorative sheet 7 is constituted of transparent paper 3 and a printed layer 2 formed on the side of the transparent paper 3 opposite to the side whereon the base materials 5 are disposed. The printed layer 2 is formed by ink jet printing and a hiding material 4 is interposed between the decorative sheet 6 and the base materials 5. It is preferable that the printed layer 2 constituted of collective groups of ink dots 20 is formed on the transparent paper 3.
Patent JP-2003007639-A (JP)
Title: Method of forming low-resistance contact junction
Inventor: YASUDA HIROO
IPC: H01L21/768
Filed: 2001-06-21
Abstract: PROBLEM TO BE SOLVED: To provide a method of forming a low-resistance contact junction, where irregularities following making a conductive region minnte that serves as a contact junction can be formed on the surface of the conductive region, and cost benefit accompanying the formation of irregularities on the surface of a conductive region is superior. SOLUTION: A solution 5, containing fine granular shields 4, etc., of silica or polystyrene as small in grain diameter as a few hundreds of nanometers or so is dropped down on a conductive region 2 exposed on the outer surface of a semiconductor substrate 1, a large number of fine granular shields 4, etc., are scattered by evaporating the solution 5, grooves 2a, etc., are cut in the conductive region 2, where the fine granular shields 4, etc., are not present through reactive ion etching technique, the fine granular shields 4, etc., are recovered from the conductive region 2 after etching is finished, and a wiring conductive material is deposited on the conductive region 2, which is increased in surface area by providing a large number of irregularities.
Patent JP-2003001222-A (JP)
Title: Melting treatment method and method for manufacturing slag
Inventor: KATAYAMA MANABU
IPC: B09B3/00
Filed: 2001-06-26
Abstract: PROBLEM TO BE SOLVED: To provide a melting treatment method capable of reliably lowering melting temperature and viscosity. SOLUTION: When the incineration ash of sludge is subjected to melting treatment, calcium and silicon components are added to the treatment system prior to the melting treatment in such a way that the amounts of the calcium and silicon components (expressed in terms of CaO and SiO2 ) in the incineration ash are adjusted to the range of the region A of figure 1.
Patent JP-2003002177-A (JP)
Title: Braking device and method for gaining maximum coefficient of friction between wheel and road using it
Inventor: OKASHI TETSUJI
IPC: B60T8/172
Filed: 2001-06-27
Abstract: PROBLEM TO BE SOLVED: To provide a braking device provided with a braking energy accumulator shortening a brake stopping distance by fastening a brake starting and recovering a braking energy by using a stepless speed change gear, and capable of gaining a maximum coefficient of friction between a wheel and a road. SOLUTION: The braking device applying a braking force on the wheel is provided with the stepless speed change gear 12 and the braking energy accumulator 11, and a brake torque detector 1 for detecting a brake torque applied to the tire is arranged between an axle supporting the wheel and the braking device.
Patent JP-2003016380-A (JP)
Title: Bar code reader
Inventor: OTSUBO YUSUKE
IPC: G06K7/00
Filed: 2001-06-29
Abstract: PROBLEM TO BE SOLVED: To provide a bar code reader which can reduce noise caused by diffused reflected light in a case with simple constitution. SOLUTION: In a lower case 1a, a laser diode 3, a converging mirror 4, a galvanomirror 5, and a photodiode 6 are arranged. Irradiation windows 2a are provided in the front 11a of the lower case 1a and in the front of an upper case, respectively. As the galvanomirror 5 swings, the irradiation window 2a is scanned with laser light from one end part to the other end part. Black reflecting plates 7 are fitted on both the sides of the irradiation windows 2a in the lower case 2a and upper case while overlapping with parts wider than the irradiation windows 2a in the scanning range of the laser light. Black sponge is stuck inside the top surface of the upper case.
Patent JP-2003011221-A (JP)
Title: Method and apparatus for heating and fusion-bonding heat-shrinkable cover material
Inventor: MORISHITA YOSHIYUKI
IPC: F16L58/10
Filed: 2001-07-02
Abstract: PROBLEM TO BE SOLVED: To provide an apparatus having simple constitution capable of thermally shrinking a heat-shrinkable cover material to well thermally fusion-bond the same to the outer surface of a pipe without involving air bubbles. SOLUTION: An induction heating coil 12 having a two-part structure and an infrared heater 13 are held to a frame 11 consisting of a ring material 16 having a two-part structure, a guide rod 17, a connection rod 18 or the like and moved by a moving means 14. A fusion-bonding/heating device 1 of this constitution is attached to a pipe 2 to be covered, and the heating coil 12 and the infrared heater 13 are moved along the heat-shrinkable cover material attached to the pipe 2 to heat the cover material from both surfaces thereof to thermally shrink the same and the cover material can be well fusion-bonded to the outer surface of the pipe.
Patent JP-2003020121-A (JP)
Title: Commodity management method, data processing device and method therefor, and computer program
Inventor: MATSUURA TOSHITERU
IPC: G06Q50/10
Filed: 2001-07-06
Abstract: PROBLEM TO BE SOLVED: To minimize the loss of opportunity of sales at a store for the general customers. SOLUTION: The sales store manages stock quantity of the day, scheduled quantity for carrying in a warehouse per scheduled date for carrying in the warehouse, and schedules quantity for carrying out of the warehouse per scheduled date for carrying out of the warehouse per commodity to be sold using data by a data processor 20 to appropriate the scheduled quantity for carrying out of the warehouse from the scheduled quantity for carrying in the warehouse of the scheduled date for carrying in the warehouse immediately before the scheduled date for carrying out of the warehouse.  Consequently, since it is unnecessary to appropriate the scheduled quantity for carrying out of the warehouse from the stock quantity of the day, it is possible to prevent the loss of sales opportunity of the day for the general customers because of the schedule for carrying out of the warehouse in spite of the fact that there are actually commodities to be sold in stock.
Patent JP-2003022441-A (JP)
Title: Method and program for area extraction, computer- readable recording medium with recorded program for area extraction, and device for area extraction.
Inventor: NAKANO YUSUKE
IPC: G06T7/00
Filed: 2001-07-06
Abstract: PROBLEM TO BE SOLVED: To make a processing speed fast and to prevent erroneous detection. SOLUTION: An area extracting method includes a step (S1) for inputting an image, a step (S2) for setting a window area which is at least part of the inputted image, a step for computing image information in the window area, a step (S4) for judging by the computed image information whether the window area is an object to be processed, and a step (S8) for detecting an area which represents a face in the window judged as the object to be processed at the judgment step.
Patent JP-2003026766-A (JP)
Title: Epoxy-based reactive diluent and liquid epoxy resin composition containing the same
Inventor: YOSHIMURA RIEKO
IPC: C08G59/24
Filed: 2001-07-13
Abstract: PROBLEM TO BE SOLVED: To provide a liquid epoxy resin composition which contains an epoxy- based reactive diluent and is useful as a sealing material for semiconductor package, a sealing material for a photoelectric conversion element, a conductive adhesive, a die-bonding paste, an anisotropic conductive paste, and a joint filler for viaholes, through holes, etc. SOLUTION: This epoxy resin composition contains (A) an epoxy resin, (B) a reactive diluent, (C) a curing agent, and optionally (D) a filler. Ingredient B is a nuclear hydrogenation product of bisphenol A diglycidyl ether, has a content (obtained by GPC) of a compound represented by formula (1) of 5 wt.% or lower, a degree of nuclear hydrogenation of 80% or higher, a chlorine content of 0.2 wt.% or lower, an epoxy equivalent of 210 or lower, and a viscosity of 1,000 mPa s or lower.