baber/WOPTO huggingface dataset:
Patent JP-2002353537-A (JP)
Title: Magnetoresistive effect element and magnetic random access memory device
Inventor: HOSOMI MASAKATSU
IPC: H01L21/8246
Filed: 2001-05-30
Abstract: PROBLEM TO BE SOLVED: To improve the rate of change of resistance by raising an element resistance by raising resistance of an antiferromagnetic layer, while considering the fact of the electrons which conserve spin to pass through the antiferromagnetic layer, related to a magnetoresistive effect element of CPP arrangement. SOLUTION: The magnetoresistive effect element comprises a spin-valve film (for example, a simple single spin valve film 1) in which a free layer 14, a non-magnetic layer 13, a fixed layer 12, and an antiferromagnetic layer 11 are sequentially laminated, or a spin-valve film where the antiferromagnetic layer, the fixed layer, the non-magnetic layer, the free layer, the non-magnetic layer, the fixed layer, and the antiferromagnetic layer are sequentially laminated with a sensing current flowing vertically to a film surface. The antiferromagnetic layer 11 comprises α type sesqui iron oxide, manganese oxide (II), nickel oxide (II), or ferric sulfide (II).
Patent JP-2002353592-A (JP)
Title: Method for producing double-sided flexible circuit board
Inventor: MATSUDA FUMIHIKO
IPC: H05K1/02
Filed: 2001-05-30
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a double-sided flexible circuit board, in which insulation base material can be machined and a conduction hole for making a through-hole conducting part can be formed preferably through resin etching or plasma etching method. SOLUTION: A conduction hole 8 required for conducting conductor layers 4 and 5 on the opposite sides of an insulation base material 1 and a non- penetration groove 9 for enhancing bendability are formed simultaneously by plasma etching or wet etching the insulation base material 1. A through-hole conducing part 12 is formed for the conduction hole 8 and then a required circuit wiring pattern 13 is formed.
Patent JP-2002354332-A (JP)
Title: Slight movement driving device and lens-moving device
Inventor: HASEGAWA YUJI
IPC: H02K7/06
Filed: 2001-05-30
Abstract: PROBLEM TO BE SOLVED: To enable fine and high speed moving by simultaneously solving the problem of restricting the movement pitch and the problem of restriction of moving speed by using a simple and compact structure. SOLUTION: This slight movement driving device is provided with a first moving means DY1 and a second moving means DY2; the first moving means DY1 is provided with a drive shaft 14 which has a lead screw 14a, is rotated integrally with a motor shaft 13 and can be moved in the shaft direction; a nut member 15 which is screwed with the lead screw 14a and moved on the drive shaft by the rotation of the drive shaft 14; and an energizing means 35 for energizing the drive shaft 14 to the shaft direction. The second moving means DY2 is arranged on the opposite side of the energizing means 35 and moves the drive shaft 14 in the shaft direction. The slight movement drive device is also provided with a guide shaft 16, which is arranged parallel with the drive shaft 14 and guides the nut member 15.
Patent JP-2002352266-A (JP)
Title: Image processing method and program for image processing
Inventor: SUZUKI ATSUSHI
IPC: G06T19/00
Filed: 2001-05-30
Abstract: PROBLEM TO BE SOLVED: To provide an image processing method capable of enhancing the reality of an image in which a shadow is generated. SOLUTION: A viewpoint is set in a prescribed light source arranged in a virtual three-dimensional space 1, an image of a shadow of a model viewed from the viewpoint is plotted on an off-screen area 15b of a video memory 15 and its shadow texture 4 is generated. The shadow texture 4 is plotted on an on-screen area 15a of the video memory 15 by associating it with a model 2. A gradation change according to distance from the light source 3 is applied to the image of the shadow texture 4 to be plotted on the on-screen area 15a. The gradation change is set, for example, in the case of plotting on the off- screen area 15b.
Patent JP-2002359256-A (JP)
Title: Field effect compound semiconductor device
Inventor: YOSHIKAWA SHUNEI
IPC: H01L21/338
Filed: 2001-05-31
Abstract: PROBLEM TO BE SOLVED: To enhance on-breakdown voltage of a GaN compound semiconductor device, and to improve the I-V characteristics. SOLUTION: A field effect compound semiconductor device comprises a GaN protective layer 4, made of an Aly Ga1-y N (0<=y<=1) and y<x) which is of the same conductivity type as that of a running carrier and provided on an upper part of a carrier supply layer 3 made of an Alx Ga1-x N (0<x<=1), and a gate electrode 6 and source/drain electrode 7 formed on the layer 4, in such a manner that electrodes are covered with an SiN film 5.
Patent JP-2002357697-A (JP)
Title: Mirror support structure for spectrometer
Inventor: ANDO HIROSHI
IPC: G02B7/00
Filed: 2001-05-31
Abstract: PROBLEM TO BE SOLVED: To provide a mirror support structure for a spectrometer allowing a two-directional angular adjustment by rotating spectrometer mirrors around mutually crossing axes. SOLUTION: This structure comprises a first angular adjusting means 20 for rotating the mirrors 16 and 17 about a first axis 24 not orthogonal to the surface directions of the mirrors 16 and 17; and a second angular adjusting means 30 for rotating the mirrors 16 and 17 about second axes 18a and 19a parallel to the line not orthogonal to the face directions of the mirrors 16 and 17 but crossing the first axis 24. The first angular adjusting means 20 comprises a first leg member 11 and second leg member 12 arranged with a space and a support member 31 erected between the first leg member 11 and the second leg member 12 to support the mirrors 16 and 17.  The mirrors 16 and 17 are supported so that the face directions of the mirrors 16 and 17 are not orthogonal to the erecting direction of the support member 13, and the support member 13 is rotatable about a line parallel to the erecting direction.
Patent JP-2002366848-A (JP)
Title: System, method, and program for service fee charging
Inventor: MORI NOBUAKI
IPC: G06Q30/04
Filed: 2001-06-06
Abstract: PROBLEM TO BE SOLVED: To provide a system, a method, and a program for service fee charging which pay a service use charge according to an ordered quantity. SOLUTION: An ordering-enterprise A device 1 sends order data to an order- receiving-company A device 3 to an ED-related service site 51 on an ASP server 5. The EC-related service site 51 receives the order data from the ordering- enterprise A device 1 and makes it possible to refer to them from the ordering- enterprise A device 1 and order-receiving-enterprise A device 3. The order- receiving-enterprise A device 3 refers to the order data from the ordering- enterprise A device 1 through the EC-related service site 51. The EC-related service site 51 bills a use charge corresponding to the ordered quantity to the order-receiving-enterprise A device 3, which pays the use charge to the EC- related service site 51.
Patent JP-2002360380-A (JP)
Title: Upholstered chair furniture having multiple members
Inventor: BAER KURT
IPC: A47C17/04
Filed: 2001-06-06
Abstract: PROBLEM TO BE SOLVED: To provide upholstered chair furniture convertible from a sitting form to a lying form. SOLUTION: A seat part cushion body 3 is positioned on an upper plate 16, and the upper plate is supported on a lower plate 17 of a bottom frame. A slot 25 is formed on a lower frame, and the upper plate is guided and supported so as to horizontally and turnably move in the slot. In a control arm 34, its one end part is turnably attached in a position aligned with a slot of the lower plate, and an opposing end part of the control arm is turnably attached in a position in a side of a slot of the upper plate. When the upper plate turns with the seat part cushion body, a corner part 14 of the seat part cushion body moves along a straight line 15 coincident with a side edge portion 9 of a seat part cushion body 2.
Patent JP-2002367933-A (JP)
Title: Method for separating semiconductor wafer
Inventor: TAKAHASHI TOSHIAKI
IPC: B24B41/06
Filed: 2001-06-11
Abstract: PROBLEM TO BE SOLVED: To enhance the yield by protecting a semiconductor chip against chipping, damaging or scattering in so-called predicing where cutting grooves not reaching the rear surface are made in the surface of a semiconductor wafer and then the cutting grooves are exposed by grinding the rear surface thus separating individual semiconductor chips. SOLUTION: A semiconductor wafer W provided, in the surface thereof, with cutting grooves is held while directing the rear surface upward on a chuck table 15a having a conical chuck face 40 and spinnable about the vertex 41 thereof. The chuck table 15a is rotated in the direction C and a grinding wheel 25 is rotated in the direction A from the vertex 41 toward the outer circumferential part 42. A grindstone piece 26a is touched to the rear surface of the semiconductor wafer W in the radius region 40a thus relaxing impact when the grindstone piece 26a touches the semiconductor wafer W.
Patent JP-2002368716-A (JP)
Title: Ofdm high efficiency power amplifier
Inventor: IKUIWA KAZUHISA
IPC: H03F3/68
Filed: 2001-06-12
Abstract: PROBLEM TO BE SOLVED: To provide an OFDM high efficiency power amplifier that can enhance the efficiency of power amplification of a signal such as an OFDM signal where a peak signal sometimes appears with a small-size and reduced weight that can reduce the power consumption. SOLUTION: The OFDM high efficiency power amplifier is provided with a basic part amplifier means 112 that can linearly amplify power of an OFDM signal received at a prescribed signal level or below, a peak part amplifier means 313 that amplifies power of the peal level of the OFDM signal in excess of the prescribed level at a higher efficiency than that of the basic part amplifier means 112 when receiving the peak level of the OFDM signal in excess of the prescribed signal level, a composite means 114 that composites an output signal from the basic part amplifier means 112 with an output signal from the peak part amplifier means 313, and pre-distortion means 211, 312 that convert the signal level in order to compensate the nonlinearity in the amplifier characteristic of one or both of the basic part amplifier means 112 and the peak part amplifier means 313.
Patent JP-2002367855-A (JP)
Title: Method for manufacturing metallization film capacitor
Inventor: MARUOKA KEIZO
IPC: H01G4/18
Filed: 2001-06-12
Abstract: PROBLEM TO BE SOLVED: To provide the manufacturing method of a metallization film capacitor for miniaturizing a capacitor by a low-cost and simple method. SOLUTION: The metallization film capacitor is formed by a pair of metal sprayed electrodes 7a and 7b being arranged opposingly, and by laminating a deposition metal 2 connected to one electrode 7a and a deposition metal 2 connected to the other electrode 7b in multiple via a dielectric film 1. In this case, in the manufacture, a laminate 5 of the deposition metal 2 and the dielectric film 1 is heated, and at the same time the laminate 5 is pressed in a lamination direction to reduce the thickness.
Patent JP-2003002796-A (JP)
Title: Group iii nitride semiconductor substrate for elo
Inventor: SHIBATA TOMOHIKO
IPC: H01L21/205
Filed: 2001-06-13
Abstract: PROBLEM TO BE SOLVED: To provide a group III nitride semiconductor substrate for ELO form a group III nitride film suppressive in surface roughness without depending on the film thickness. SOLUTION: The group III nitride primary layer 23 containing at least Al is directly formed on the substrate 21 consisting of sapphire single crystal or the like without interposing a low temperature buffer layer. Next a pattern layer 24 consisting of SiO2 or the like is formed on an underlying layer 23.
Patent JP-2002374690-A (JP)
Title: Motor
Inventor: OCHI MASAAKI
IPC: H02P6/06
Filed: 2001-06-13
Abstract: PROBLEM TO BE SOLVED: To provide a motor that has small electric power consumption and is high in reliability. SOLUTION: In a PWM-driven motor of a drive current peak detecting type, a switching control means includes a means which controls the turn on/off of a power transistor includes a trigger means, which generates timing to turn on either one or both of first and second power amplifying means at each specified time, a comparison means which generates the timing to turn off either one or both of the power amplifying means, by comparing the output signal of a current detecting means with a command signal, and a forcible turn-on means which decides the timing to forcibly turn on either one or both of the power amplifying means for a fixed period of time in response to the output signal of the trigger means. The forcible turn-on means switches the forcible turn-on time, in response to the output signal of a time switching means.
Patent JP-2002363937-A (JP)
Title: Collection bag for cleaning road bed surface
Inventor: GOTO SHIZUO
IPC: E01H1/04
Filed: 2001-06-13
Abstract: PROBLEM TO BE SOLVED: To provide a bag body suitable or a cleaning device for a road bed surface for throwing subject to be collected on the road bed surface toward a collecting space to be collected by rotation of a collecting brush. SOLUTION: In the bag body used for the device for throwing the subject to be collected on the road bed surface G toward the collecting space 121 to be collected by rotation of the collecting brush 30, the bag body is installed to a lock guide frame 126 provided on a sweeping part 124. Plural engagement holes B2 to be engaged with protrusions 126c provided on the lock guide frame 126 are provided on the opening part side of it. A main body 1 and a collection bag B can thus be easily attached to/detached from each other.
Patent JP-2002369793-A (JP)
Title: Sprinkling tube for endoscope
Inventor: SUZUKI KEITA
IPC: A61B1/00
Filed: 2001-06-14
Abstract: PROBLEM TO BE SOLVED: To provide a sprinkling tube for an endoscope capable of certainly sprinkling a liquid of coloring matter or the like while preventing the dripping thereof. SOLUTION: In the sprinkling tube for the endoscope for sprinkling a liquid at a predetermined sprinkling angle from the jet orifice 5 opened to the leading end surface of a distal end structure 4 to eject the liquid sent from a liquid supply pipe 2, at least the surface roughness in the periphery of the opening of the jet orifice 5 in the leading end surface of the distal end structure 4 is made relatively larger than that of the inner wall surface of the jet orifice 5.
Patent JP-2003008679-A (JP)
Title: Data communication method
Inventor: NAKANO TAKENARI
IPC: H04L29/06
Filed: 2001-06-19
Abstract: PROBLEM TO BE SOLVED: To provide a data communication method capable of properly conducting data communication by connecting electronic units each other with the same network, even if communication protocols set at each electronic unit are not unified into one. SOLUTION: In this data communication method, when multiple car-mounted electronic units connected to a network send data, the units set a protocol identification bit, which identifies the communication protocol used in generation of an error inspection data D of data TD, at the head section of the data DT and transmit the data TD to the transmission destination. When the units receive data, the units conduct error inspection for the data DT, according to the protocol specified by a protocol identification bit set at the head section of the data DT, among communication protocols set at their own for error detection.
Patent JP-2003003841-A (JP)
Title: Muffler for marine engine
Inventor: ISHIDA OSAMU
IPC: F01N1/08
Filed: 2001-06-21
Abstract: PROBLEM TO BE SOLVED: To solve such problems that in a conventional muffler, the space for the muffler or mounting thereof is required inside a hull, an unusable space occurs due to the installation of the muffler, a brace is needed to support the muffler and further, since the muffler is integrally fixed to the inside of the hull, maintenance such as cleaning of the muffler inside is unavailable. SOLUTION: The muffler is composed of a hull outer plate 19 and a sound- muffling case 20 arranged on a stem outside. The sound-muffling case 20 is formed in a U shape in a plan view and is detachably fixed to the hull outer plate 19 by a fixing means such as a bolt so as to cover an opening 21. An exhaust pipe hole 22 is bored on the rear face of the sound-muffling case 20 to discharge an exhaust gas therefrom.
Patent JP-2003005036-A (JP)
Title: Objective lens for optical pickup
Inventor: HASHIMURA JUNJI
IPC: G11B7/1372
Filed: 2001-06-21
Abstract: PROBLEM TO BE SOLVED: To provide a high-performance and small objective lens for an optical pickup while securing a working distance with large numerical apertures. SOLUTION: The objective lens for the optical pickup that carries out reading/writing of information by condensing luminous flux from a light source on an information recording medium comprises two lenses consisting of a first lens having a first convex surface on the light source side and a second convex surface on the light source side, and a second lens having a third convex surface and a fourth flat surface on the light source side, in this order from the light source side. The first surface has an aspherical surface.
Patent JP-2003008154-A (JP)
Title: Printed wiring board, coaxial cable, and electronic device
Inventor: KIKUCHI HIDEO
IPC: H05K1/02
Filed: 2001-06-21
Abstract: PROBLEM TO BE SOLVED: To suppress common-mode resonance currents with stability to reduce EMI without materially increasing the manufacturing cost. SOLUTION: In a printed wiring board 20, a frame-shaped additional conductor 17 is electrically connected to a T-shaped pattern constituting a ground pattern 14 so that recessed portions 16 are closed. Thus, the width of the peripheral portion of the T-shaped pattern is increased so that the recessed portions 16 are encircled with the frame-shaped additional conductors 17.
Patent JP-2002057719-A (JP)
Title: Method and system for packet re-assembling in communication switch
Inventor: CARR DAVID W
IPC: H04L12/56
Filed: 2001-06-22
Abstract: PROBLEM TO BE SOLVED: To provide a method and system for re-assembling packets by using a limited number of re-assembling contexts. SOLUTION: Upon the receipt of a 1st cell of a packet, a limited number of re-assembling contexts are shared to a source selected by the packet. Then a buffer stores the 1st cell and the re-assembling contexts are updated to reflect the storage of the 1st cell to the buffer. When succeeding cells of the packet are received, they are stored in the buffer and the re-assembling contexts are updated to reflect the storage of the succeeding cells. When a message termination cell of the packet denoting the end of the packet is received, the packet re-assembling of the buffer is finished and a re-assembled packet is generated. Then the re-assembled packet is put in a queue for the transmission to a destination and the assignment of the re-assembling contexts is released so as to be used for the re-assembling of succeedingly received packets.
Patent JP-2003003977-A (JP)
Title: Fluid compressor and refrigerator
Inventor: HIRAYAMA TAKUYA
IPC: F04C18/344
Filed: 2001-06-25
Abstract: PROBLEM TO BE SOLVED: To provide a refrigerating cycle, in this invention, obtaining improvement of compressing efficiency by reduction of compression ratio in each compressing mechanism part which is a merit of multi-step compression, a fluid compressor generating high performance, low noise, low vibration, and compactness, and improvement of thermo-dynamic efficiency due to giving of intermediate cooling to a compression stroke by providing this fluid compressor. SOLUTION: A hollow cylindrical cylinder 5 arranged in a closed case 1, a roller 20 eccentrically received inside the cylinder, and a first/second helical type compression mechanism part 30A, 30B having spiral blades 23a, 23b formed with a plurality of compression chambers 25a, 25b between the roller and the cylinder, are provided, the first helical type compression mechanism part serves as low stage compression sucking refrigerant gas from outside compressed, the second helical type compression mechanism part serves as high stage compression sucking refrigerant gas low stage compressed in the first helical type compression mechanism part to be compressed.
Patent JP-2003005298-A (JP)
Title: Banding detector for photographic processing device
Inventor: SAEGUSA HIROKI
IPC: G03B27/32
Filed: 2001-06-26
Abstract: PROBLEM TO BE SOLVED: To provide a banding detector for a photographic processing device, which clears up the cause of banding in a short time. SOLUTION: The photographic processing device is provided with an exposing engine 7, which scans exposure light on a paper carried along a carrying route to form a two-dimensional picture by exposure, and is constituted so as to obtain a photographic print by the exposure engine 7, and the banding detector for the photographic processing device can detect the cause of banding brought about in the picture of the photographic print and is provided with a flat head scanner 23 which reads the picture of a check print generated by the exposure engine 7, an area detection means 28a which detects a designated area of the picture, and a control part 26 which makes a monitor 25 perform prescribed display in order to be able to specify parts driven during exposure of the picture in the designated area.
Patent JP-2003006261-A (JP)
Title: Layout data generation method and layout data generation device
Inventor: WADA SUSUMU
IPC: H01L21/82
Filed: 2001-06-27
Abstract: PROBLEM TO BE SOLVED: To reduce a circuit space by cutting down excessive wiring width for a power source trunk line on an area by area basis to secure an arranged wiring space. SOLUTION: The wiring width for the power source line is optimized by a wiring width calculation part 111, depending on a distance from the power source relative to arranged wiring data 107 which is arranged for the wiring by an automated arranged wiring processing device 106, a reduced space is calculated by an optimization of the wiring width by a space calculation part 112 and the arranged wiring data 107 is outputted by performing the arranged wiring processing once again based on the reduced space, the wiring width for the power source trunk line with the updated arranged wiring data 107 is confirmed if it satisfies an allowable resistance value by a wiring resistance value calculation part 113, the wiring width for the power source line which is short of the wiring width is adjusted by a power source trunk line adjustment part 114 and a layout data 110 is outputted.
Patent JP-2002094884-A (JP)
Title: Picture processor and method for processing the same
Inventor: HARADA YOSHIHITO
IPC: H04N5/367
Filed: 2001-06-27
Abstract: PROBLEM TO BE SOLVED: To provide a picture processor and a picture processing method capable of generating an excellent picture even at the time of photographing a picture with the shutter of seconds or in a high temperature in response to user needs for the use of a high speed shutter in spite of the low luminance by changing ISO sensitivity. SOLUTION: This picture processor for processing a picture imaged by an image pickup element such as a CCD sensor is provided with a dark correcting circuit 21 for performing dark correction to a picture, a defect correcting circuit 22 for correcting a defective pixel in the picture by using the other pixels, and a defective address instructing circuit 24 for controlling the sharing of the dark correction by the dark correcting circuit 21 and the defect correction by the defect correcting circuit 22 based on information related to image pickup (for example, ISO sensitivity, temperature, and storage time).