baber/WOPTO huggingface dataset:
Patent JP-2002206086-A (JP)
Title: Polishing liquid for metal and polishing method
Inventor: KURATA YASUSHI
IPC: H01L21/304
Filed: 2001-10-15
Abstract: PROBLEM TO BE SOLVED: To provide a polishing liquid which is used for metals, can reduce the quantity of erosion in a metal wiring portion having a high wiring density in comparison with that by conventional technology, and can form a metal film-buried pattern having high reliability, and to provided a polishing method using the same. SOLUTION: This polishing liquid which contains a metal oxide, a metal oxide-dissolving agent, a protecting film-forming agent, a water-soluble polymer and water, and in which the dented quantity (erosion quantity) of an insulated film portion from a peripheral insulated film layer is <=80 nm, when a metal film formed for bury in a wiring portion is removed on the insulated film on the periphery of a pattern in the pattern in which 4.5 μm wide metal-buried wirings and 0.5 μm-wide insulating films are alternately formed or the pattern in which 1 to 10 μm metal-buried wirings and 0.1 to 1 μm insulated films are alternately formed and which has a wiring pattern density of >=70%, is used.
Patent JP-2003118618-A (JP)
Title: Steering device for vehicle
Inventor: NISHIZAKI KATSUTOSHI
IPC: B62D5/04
Filed: 2001-10-16
Abstract: PROBLEM TO BE SOLVED: To provide a practical steering device for a vehicle without giving a sense of incongruity to a driver by suppressing difference in a vehicle behavior between right steering and left steering and improving running stability of the vehicle. SOLUTION: The movement of a steering actuator 2 is transmitted to a wheel 4 so as to change a steering angle. The actuator 2 is controllable by a control system so as to change the ratio between the control variable of an operation member 1 and the steering amount of the wheel 4. The gain of the actuator 2 in the control system can be set on a different value separately at the time of right steering and left steering.
Patent JP-2003121922-A (JP)
Title: Projector
Inventor: HIBI TAKETOSHI
IPC: F21Y101/00
Filed: 2001-10-18
Abstract: PROBLEM TO BE SOLVED: To provide a projector which improves the use efficiency of illuminating light. SOLUTION: The projector has a light valve 1 like a DMD, a lamp 21, a columnar optical element 23, a projection lens 4 for projecting on-state light L2 , a first reflection member 27 provided on a first end face 25 of the columnar optical element 23, a second reflection member 28 provided on a second end face 26, and a light recovery optical system 3. The first reflection member 27 has a light transmission area 27a and a light reflection area 27b turned to the first end face 25. The second reflection member 28 transmits a part of light going to the second end face 26 and changes the going direction of another part of the light to make it go to the first reflection member 27. The light recovery optical system 3 changes the going direction of off-state light L3 to make it go to the light valve 1.  The first reflection member 27 reflects light reflected by the second reflection member 28 and reflects a part of light made incident on the second end face 26 of the columnar optical element 23 through the light valve 1 by the light recovery optical system 3, and these reflected light are used as a part of illuminating light L1 .
Patent JP-2003121622-A (JP)
Title: Optical device, and illuminator and exposure device having the optical device
Inventor: SHINODA KENICHIRO
IPC: G02B5/00
Filed: 2001-10-18
Abstract: PROBLEM TO BE SOLVED: To provide an optical device, and an illuminator and an exposure device having the optical device capable of improving illumination efficiency with a simple constitution by reducing the number of optical devices constituting a beam transmission optical system by adding the function of a beam shaping element to a deflecting element. SOLUTION: This optical device for deflecting incident luminous flux has a curved surface to change the opening angle of emitted luminous flux relative to that of the incident luminous flux.
Patent JP-2003127868-A (JP)
Title: Traveling device
Inventor: NAKAMU EIJI
IPC: B62B5/04
Filed: 2001-10-18
Abstract: PROBLEM TO BE SOLVED: To provide a traveling device of a simple structure provided with a step eliminating mechanism and lightening a load imposed to an operator in a step ascending and descending operation. SOLUTION: In a traveling device provided with wheels 2 movably supporting a body 1, a support member 3 rotationally drivably attached to a position not disturbing the rotation of the wheels 2, and an arm 4 attached to a part shifting from a rotational center of the support member 3 and driven by the support member 3 used as a foothold and moving a tip 42 in a direction separating from the rotational center, a guid member 8 provided with a grounding end 81 and a shoe 82 is provided in a condition that the grounding end 81 gets into contact with a floor surface to raise the shoe 82 from the floor surface, the shoe 82 is pressed against the floor surface to induce toggle action and apply brake before the traveling device drops from a stepped floor when the ground end 81 drops from the stepped floor.
Patent JP-2003125613-A (JP)
Title: Sowing machine
Inventor: SHIROMIZU ATSUSHI
IPC: A01C5/06
Filed: 2001-10-22
Abstract: PROBLEM TO BE SOLVED: To provide a sowing machine capable of performing proper farm work. SOLUTION: The sowing machine 1 is provided with a plurality of sleighs 8 gliding on the surface A of the field and a pair of right and left fixed sleighs 7. The sleigh 8 has a furrow-opening member 51 to form a sowing furrow on the track of the sleigh 8 on the field surface A. The furrow-opening member 51 is provided with a seed guiding member 55 to guide a seed W to the sowing furrow. The sleigh 8 has a knife 46 to cut the field surface A in front of the furrow-opening member 51.
Patent JP-2003134833-A (JP)
Title: Power converter
Inventor: MATSUKUMA TOSHIJI
IPC: H02M7/12
Filed: 2001-10-22
Abstract: PROBLEM TO BE SOLVED: To provide a power converter in which the number of zero-phase detectors and control systems for suppressing zero-phase circulation current can be decreased. SOLUTION: The power converter comprises a plurality of sets of power converting circuit each comprising converter circuits 4A and 4B for rectifying an AC power supply 2 into DC power being supplied to smoothing circuits 14A and 14B, and inverter circuits 6A and 6B for inverting the output from the smoothing circuits into AC power being supplied to a load 8, wherein the power converting circuits are connected in parallel. Each set of smoothing circuits 14A and 14B is configured independently and the control circuit 11A, 11B, 10A, 10B of at least one of the converter circuit and the inverter circuit constituting the plurality of sets of power converting circuit is provided with a control means for suppressing zero-phase current.
Patent JP-2003131562-A (JP)
Title: Map information providing device
Inventor: ENDO HISASHI
IPC: G06F17/30
Filed: 2001-10-23
Abstract: PROBLEM TO BE SOLVED: To provide a map information providing device which enables a plurality of users to browse the same detailed map information and individually modify it into optimum map information, user by user. SOLUTION: The map information providing device has a map information database, a storage device, a map display function, and an additional information registering function, and the map information database stores map information and map property information. The additional information registering function reads in an external file including mark information whose position is specified on a map of the map information and records the mark information in the storage device and the map display function generates a map image according to the map information, map property information, and mark information and displays the map information together with an icon at the point corresponding to position information possessed by the mark information.
Patent JP-2003133023-A (JP)
Title: Ic socket
Inventor: SUZUKI KENZO
IPC: H01R13/24
Filed: 2001-10-24
Abstract: PROBLEM TO BE SOLVED: To provide an IC socket reducing the inductance and pure resistance of a coil contact. SOLUTION: This IC socket electrically mechanically connects a bump arranged in a matrix shape on the bottom surface of an IC and a pin terminal 14 through a coil contact 21, the coil contact 21 has a tapered small diameter coil 211 formed by winding the tip of an upper half part in a tapered shape and a large diameter coil 212 formed in a lower half part, the pin terminal 14 has a tapered part 143 obtained by forming in a tapered shape the tip of an upper half part having the whole length shorter than that of the coil contact, and the coil contact 21 and the tapered part 143 are interposed between the bump and the pin terminal 14 in a state that the tapered part 143 is inserted into the inside of the coil contact 21.
Patent JP-2003133230-A (JP)
Title: Semiconductor treatment device of flexible substrate
Inventor: HIRAI ETSURO
IPC: H01L21/00
Filed: 2001-10-29
Abstract: PROBLEM TO BE SOLVED: To continuously perform a series of treatment from production of an amorphous silicon thin film on a flexible substrate to multi-layer laminating by reforming the thin film through crystallization. SOLUTION: The semiconductor treatment device comprises a supply device 31 for supplying a flexible substrate 32, a collection device 34 for collecting the flexible substrate 32, a first heating device 36 arranged between the supply device 31 and the collection device 34 and heating the substrate 32, a PVD device 37 for performing film deposition by physical deposition on the substrate 32, a CVD device 38 for performing film deposition by chemical deposition on the substrate 32, a second heating device 39 for heating a substance deposited on the substrate 32 and an etching device 40 for etching the substance deposited on the substrate 32. Furthermore, the CVD device 38, the second heating device 39 and the etching device 40 are repeatedly arranged, and each device is arranged in a housing held in prescribed atmosphere.
Patent JP-2003138471-A (JP)
Title: Method for bleaching fabric
Inventor: OOUCHI AKIHIKO
IPC: D06L4/50
Filed: 2001-10-30
Abstract: PROBLEM TO BE SOLVED: To provide an energy-saving bleaching method carried out at room temperature without requiring a long time at a high temperature, with little environmental loading, having excellent operation safety, and enabling the generation of carbon dioxide to reduce. SOLUTION: An ammonium compound is added in the method for bleaching the fabric by the irradiation with ultraviolet and visible light.
Patent JP-2003135742-A (JP)
Title: Pachinko game machine
Inventor: YAMAGUCHI HIROSHI
IPC: A63F7/02
Filed: 2001-11-01
Abstract: PROBLEM TO BE SOLVED: To provide a pachinko game machine in which speculativeness of a game can be improved by expecting the continuity of a big win similarly to a first type pachinko game machine even for a second type pachinko game machine. SOLUTION: The pachinko game machine has both freely opening/closing wings to be opened when a game ball wins a prize in a prescribed start hole (602) and both the wings are respectively equipped with auxiliary wings to enter/leave an extending direction from the tip ends of the wings. In the end of the big win, a lot is drawn on a timing for the auxiliary wings of both the wings to enter/leave the extending direction (606 and 607) and when a successful lot is drawn, the extension of the auxiliary wings of both wings are held (608 and 609) until the next big win. When a big win is established in the state of extending both the wings (604), both wings temporarily leave the extending direction (605) and a series of big win operation are performed (606).  At least any one of the length of extension of both wings and the angle of opening can be changed on a plurality of stages corresponding to conditions as well.
Patent JP-2003138207-A (JP)
Title: Flame-retardant coating material for mesh sheet and flame-retardant coating film of mesh sheet
Inventor: KAMIYA KUNIAKI
IPC: C09D175/04
Filed: 2001-11-02
Abstract: PROBLEM TO BE SOLVED: To provide a flame-retardant coating material which gives flame- proofness, smoothness, gloss, and resistance to washing by coating it on a mesh sheet whose flame-proofness has been reduced by washing, and a flame-resistant coating film therewith. SOLUTION: The flame-retardant coating material for mesh sheets comprises 100 pts.wt. resin solid content of a nonhalogen based coating material of a polyurethane based resin having a resin solid content of 15-60 wt.% and 20-100 pts.wt. nonhalogen based organic phosphoric acid ester having a freezing point of >=-20 deg.C. The flame-retardant coating film is formed by coating this coating material on a mesh sheet.
Patent JP-2003141780-A (JP)
Title: Annealing device and manufacturing method of optical disk
Inventor: TANAKA FUJI
IPC: G11B7/24047
Filed: 2001-11-02
Abstract: PROBLEM TO BE SOLVED: To provide an annealing device and a manufacturing method of an optical disk capable of preventing the deterioration of mechanical performance of an optical disk substrate even though the annealing treatment is applied on the optical disk substrate at a high temperature. SOLUTION: When an innermost peripheral radius formed at the innermost side of an irregular pattern 111 in the optical disk substrate 11 is expressed as Rp and a radius of a laser beam on the surface of the incident side of laser beam in the optical disk substrate 11 is expressed as Rb, a diameter r of a spacer 12 placing the optical disk substrate 11 thereon is made to be a value smaller than (Rp-Rb) but also as large as possible close to (Rp-Rb). The optical disk substrate 11 is supportable by a placing surface larger than a placing table 122 of the spacer 12, and also the contact between the transmitting part of the laser beam L on the surface of the incident side of the laser beam and the placing table 122 of the spacer 12 is prevented in the optical disk substrate 11.
Patent JP-2002195991-A (JP)
Title: Method and system for gas chromatography
Inventor: AMIRAV AVIV
IPC: G01N30/68
Filed: 2001-11-05
Abstract: PROBLEM TO BE SOLVED: To provide a gas chromatography method for analyzing volatile material in a gas chromatograph system. SOLUTION: Fill a sample of a compound to be analyzed in a sample filler; use a carrier gas to carry the sample compound into an analytic isolation column; supply the carrier gas into the analytic isolation column during the isolation time of the sample compound; control temperature of the column to isolate the sample compound; carry the vaporized sample compound extracted from the column into a flame ionization detector; supply a gas required for operation of the flame ionization detector; analyze data output from the flame ionization detector for analysis of the sample compound; and produce the gas required for operation of the gas chromatograph system via water electrolyzation.  In a variant example of this method, the gas required for operation of the gas chromatograph system is produced by water electrolyzation without isolating between oxygen and hydrogen simultaneously-generated.
Patent JP-2003139052-A (JP)
Title: Piston for compressor and method of manufacturing the same
Inventor: KATO TAKAYUKI
IPC: B22D17/00
Filed: 2001-11-05
Abstract: PROBLEM TO BE SOLVED: To provide a piston for a compressor satisfying both of lightening and reciprocating with stable attitude with a high order, and also to provide a method of manufacturing the same. SOLUTION: This piston 23 comprises a head part 41 slidably fitted to a cylinder bore, and a neck part 42 holding a shoe. A pressure receiving wall 43 of a side force F is extended toward the neck part 42 at a lower side of the head part 41. The pressure receiving wall 43 is unevenly mounted at a rotating direction R side of a swash plate 18. A first guide wall 44 is extended toward the head part 42 at a lower side of the head part 41. The first guide wall 44 is unevenly mounted at a side opposite to the rotating direction R of the swash plate 18 to be symmetrical to the pressure receiving wall 43. A thinned recessed part 45 is formed on an outer face slid on an inner face of the cylinder bore, of the first guide wall 44.  Two continuous piston materials are molded by die casting, and a movable core mounted on a fixed die for molding the thinned recessed part 45 is displaced prior to the separation of a movable die in manufacturing the piston 23.
Patent JP-2003148372-A (JP)
Title: Fuel pump
Inventor: KOBAYASHI ATSUSHIGE
IPC: F04D5/00
Filed: 2001-11-06
Abstract: PROBLEM TO BE SOLVED: To provide a fuel pump capable of reducing stay of a swirl current and reduction of speed to improve pump efficiency. SOLUTION: A blade groove 33 in an impeller is formed to satisfy following conditions on the forward side in a rotation direction of a blade plate 32: The largest width of the blade groove 33 in a rotation axis direction of the impeller is larger than width b at a tip 32c; a curved line C at an end part of the blade groove 33 on the side of a partition wall 31 is formed to have an angle θsmaller than 90 deg. formed by a supposed straight line L extended outward at the tip 32c and a rotation axis of the impeller. The width b of the blade groove 33 at the tip 32c is larger than 1/2 width 5 of the impeller; and the center of the curved line C is positioned inside the blade groove 33.  With these conditions, fuel flowing from the blade groove forms a circular swirl current from close to an end part 30b on the opposite side to the end part 30a where the fuel flows in to flow out to a pump passage. Stay is not formed, therefore, and flow quantity and flow speed of fuel are increased, thereby pump efficiency is improved.
Patent JP-2003151269-A (JP)
Title: Semiconductor memory device and its control method
Inventor: TOUHO MITSUHIRO
IPC: G11C11/406
Filed: 2001-11-07
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor memory device in which current consumption can be reduced by providing a plurality of operation modes and performing switching control of internal signals for every operation mode with the absolute minimum control, and to provide its control method. SOLUTION: This device is provided with a refresh address ADD (Ref) from a refresh address counter 14 at the time of refresh mode, an address switch circuit 13 propagating one side of external addresses ADD (R/W) at the time of data input/output mode to an internal address ADD (Int), a mode discriminating circuit 11 discriminating a refresh operation request signal REQ (Ref) and a data input/output request signal REQ (R/W) and outputting a mode discriminating signal, and a switch holding circuit 12 outputting a switch switching signal SW in accordance with a mode discriminating signal M, and connection of the address switching circuit 13 is switched only at the time of change of a mode.
Patent JP-2003151703-A (JP)
Title: Feed duct system
Inventor: TOKI MASATO
IPC: H01R25/14
Filed: 2001-11-08
Abstract: PROBLEM TO BE SOLVED: To achieve a thin thickness of a duct body, an enlargement of an opening and a reduction of a projection of an insertion part of a plug while satisfying an adaptability of IEC standard that a test needle is not contacted with a conductor from the opening. SOLUTION: A plurality of conductors 5 are arranged at the midway part in a width direction in the duct body 4 such that they are directed to the outside in a width direction of the duct body 4 respectively and any of a plurality of conductors 5 are directed to a direction opposite to the other conductors. A plurality of cap blades 6 provided on the plug 7 are projected to the inner side in the width direction of the duct body 4 and any of a plurality of cap blades 6 are directed to a direction opposite to the other cap blades 6.
Patent JP-2003150220-A (JP)
Title: Simulation device
Inventor: WATANABE ATSUSHI
IPC: G05B19/4069
Filed: 2001-11-12
Abstract: PROBLEM TO BE SOLVED: To provide a simulation device making the most of the various data of a work machine and peripheral objects prepared in a CAD or the like. SOLUTION: The graphic information and disposal information of works is read from a CAD device or the like to a simulation device. Three-dimensional models 35-37 are laid out on a display screen 38 of the simulation device by using disposal diagrams 31-33 of a robot, work, and table and the shape data. The dot sequence, segments, or faces are specified, and a work dot sequence (for example, the sequence of welding dots) is prepared so that an operation program can be generated. The robot simulation is executed according to the data of the operation program. The operation locus is displayed in an animation format on the display screen 38.
Patent JP-2003149160-A (JP)
Title: Appearance inspection method and appearance inspection system
Inventor: NAGAO MASAHIKO
IPC: G06T1/00
Filed: 2001-11-13
Abstract: PROBLEM TO BE SOLVED: To provide an appearance inspection method and system capable of correct and reliable detection of defective regions without mistaking a defect- free region, presenting light-and-shade unevenness because of uneven lighting, for a defective region. SOLUTION: The system at least comprises an image pickup means 1, gray level image data memorizing means 3, binarizing means 4, labeling means 5, 1st measuring means 6, defective candidate extracting means 7, 2nd measuring means 8, and an evaluating means 10. Gray level images of a specimen 2 are picked up by the image pickup means 1, converted into binary images, labeled, and then a characteristics amount is calculated for each label.  A defective candidate label is extracted out of the characteristics-calculated labels, the maximum gray level value and the minimum gray level value are calculated within the defective candidate region for each defective candidate label, the difference between the calculated results and the binarized threshold value is worked out, and the defective candidate region is decided to be defective when the difference equals or exceeds a reference value predetermined for evaluation.
Patent JP-2003148540-A (JP)
Title: Air spring
Inventor: WATAKARI SATOSHI
IPC: F16F9/04
Filed: 2001-11-15
Abstract: PROBLEM TO BE SOLVED: To provide an air spring with damping without attaching an auxiliary tank and an oil damper. SOLUTION: The air spring 1 is provided with a vibration removing mount 6 in its bellows 2. The vibration removing mount 6 is formed by assembling a viscoelastic body 3 with a coil spring 12 in parallel to each other. The viscoelastic body 3 is allocated with a mechanism of damping both of horizontal and vertical vibration and amplitude to be applied to the bellows 2, while the coil spring 12 is allocated with mechanisms of compensating a restoring force of the compression-deformed bellows 2 and at the same time retaining the shape of the air spring into a prescribed form.
Patent JP-2003149028-A (JP)
Title: Gauge examination device using nameplate
Inventor: IWANE SHIRO
IPC: G01D9/00
Filed: 2001-11-15
Abstract: PROBLEM TO BE SOLVED: To exactly and easily conduct gauge reading work of a gas meter. SOLUTION: A nameplate is fixed on a gas meter, on which a bar code is formed. The bar code indicates a discrimination code of the gas meter. The bar code on the nameplate is formed on a thin oxide film formed on the surface of a stainless steel plate by immerging in solution mixed with chromic acid and sulfuric acid, and selectively etching it. The content read with the bar code is indicated with a display and the information indicating the date of plug opening and the production company of the gas meter and the like are indicated on the display. The used quantity of gas is input with an inputting means and stored in a memory. The stored content in the memory is forwarded to a data base memory by connecting to a host computer after bringing the gauge-reading device back to a place of work.