baber/WOPTO huggingface dataset:
Patent JP-H03185611-A (JP)
Title: Production of thin-film magnetic head
Inventor: MAKINO NORIFUMI
IPC: G11B5/31
Filed: 1989-12-14
Abstract: PURPOSE:To allow recording at a higher density by forming a protective layer atop a lower magnetic layer and forming a connecting magnetic layer which connects the lower magnetic layer and an upper magnetic layer. CONSTITUTION:The protective layer 11 which covers the region to form a magnetic gap 8 on the front surface of the lower magnetic layer 2 formed on a substrate 1 is formed and the connecting magnetic layer 10 which connects the lower magnetic layer 2 and the upper magnetic layer 5 on the back side of the magnetic head is formed. A coil 4 and an insulating layer 12 are thereafter formed and the front surface of the insulating layer 12 is flattened to expose the connecting magnetic layer 10, by which the magnetic gap 8 is formed. The upper magnetic layer 5 is then formed. Good electromagnetic conversion characteristics are obtd. without degrading the surface roughness of the gap forming surface and the magnetic resistance over the entire part of the magnetic layer is decreased. The efficiency of the head is thus improved and the dealing with the recording to the higher density is executed.
Patent JP-H10156757-A (JP)
Title: Hammer drill
Inventor: OOKAWA MASUTOSHI
IPC: B25D17/06
Filed: 1996-12-03
Abstract: PROBLEM TO BE SOLVED: To prevent generation of sparks from the striking part of a hammer drill. SOLUTION: In a hammer drill, in which a hammer receiver 2 fitted over a drill rod 3 is provided at the end of an operating cylinder 1 and a hammer 5 driven by a striking mechanism is provided in the operating cylinder, members 6a, 6b, 6c made of a material that does not generate sparks from impacts are installed, respectively, at the colliding parts of the hammer and the hammer receiver and at the end of a drill rod mounting hole 4 in the hammer receiver.
Patent JP-2000150824-A (JP)
Title: Semiconductor storage device and its manufacture
Inventor: SAKAO MASATO
IPC: H01L21/8242
Filed: 1998-11-12
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor storage device and manufacturing method thereof which can effectively increase the capacity utilizing inside side faces when cylindrical electrodes are used by evenly arranging lower capacitive electrode contacts in a memory cell area and enlarging the overlapping margin of lower electrodes and lower electrode contacts, and then, forming the lower electrodes in regular polygons or circular shapes. SOLUTION: In a semiconductor storage device, element areas 102 are zoned on a semiconductor substrate and MOS transistors are formed in the areas 102 by extending word lines 104 in one direction on the areas 102. Then layer capacitive electrodes 109 are connected to the source areas of the transistors through lower capacitive electrode contacts 108 and bit lines 110 which are extended in the direction perpendicular to the word lines 104 are connected to the drain areas of the transistors through bit-line contacts 107. The element areas are formed in rectangular shapes along the bit lines and the element areas respectively connected to their adjacent bit lines 110 are arranged at 1/4-pitches in the length direction of the bit lines 110.
Patent JP-H02166901-A (JP)
Title: Antenna system
Inventor: CHIBA ISAMU
IPC: H01Q3/30
Filed: 1988-12-21
Abstract: PURPOSE:To set the scanning range of the beam in detail to improve the setting accuracy of the direction of an arrival wave and to detect the scanning direction of a beam with excellent accuracy by providing an element selection circuit and a selection element phase control circuit. CONSTITUTION:The element selection circuit 1 selects the required number of element antennas C1, C2,...CLa, D1, D2,..., and DLb among plural element antennas A1-AN, B1-BN corresponding to the scanning angle of the beam. The selection element phase control circuit 2 controls the set phase of shifters PC1, PC2,...PCLa, Pd1, Pd2,...PdLb connected to selected antennas based on the number of element antennas in a group and the electric field strength of the element antenna. Thereby, it is possible to vary the phase of the selected antenna separately from a preset quantity corresponding to the ordinary beam scan of selected element antenna, therefore, the scanning range of the beam is set in detail, the setting accuracy of the scanning direction of the beam can be improved, and the direction of the arrival wave can be detected with high accuracy.
Patent JP-H02169316-A (JP)
Title: Suspension system for vehicle
Inventor: TAKEHARA SHIN
IPC: B60G17/015
Filed: 1988-12-21
Abstract: PURPOSE:To make each steering characteristic of both vehicles settable to almost the same by setting steering assist force of one side vehicle set down to an active suspension type to be larger than the other type, in the vehicle whose suspension(SUS) discriminates between the active suspension and a passive one in type. CONSTITUTION:A vehicle being typified as the same fundamentally is discriminated into two types that one with an active suspension where such control as checking a roll by controlling the feed or exhaust of a hydraulic fluid for a cylinder unit installed between spring weight and unsprung weight, and the other, namely, a passive suspension where the feed or exhaust of the hydraulic fluid is not performed from the outside. According to this discrimination, a power steering P is installed in each vehicle, but in this case, the vehicle set down to the active suspension type is set so as to make assist force of this power steering P to be larger than the other vehicle set down to the passive suspension type. In brief, opening of a throttle as a reaction pressure adjusting means in a control valve 76 is controlled by a control unit US.
Patent JP-H11220154-A (JP)
Title: Photoelectromotive force element and photoelectromotive element module
Inventor: KARIYA TOSHIMITSU
IPC: H01L31/04
Filed: 1998-10-28
Abstract: PROBLEM TO BE SOLVED: To provide a photoelectromotive force element, wherein photoconductive characteristics such as photoelectric transfer efficiency, release voltage, short photoelectric current, low illuminance release voltage, and leakage current is improved sharply. SOLUTION: Related to a photoelectromotive element wherein a backside reflection layer 102, a transparent conductive layer 103, a semiconductor layer 105, which being of non-single crystal silicon group material containing hydrogen, comprises at least one semiconductor junction, and an upper part transparent electrode 106 of metal oxide are laminated sequentially on a base body 101, with a collection electrode 107 provided on the upper part transparent electrode 106, the transparent conductive layer 103 is made of zinc oxide, and the region wherein a plurality of arcs of radius of curvature 300 Å to 6 μm in crosssectional form of a light-incident side surface 104 and elevation angle at the center of curvature which is 30 or higher to 155 degrees or lower are connected plurally contains by 80% or more relative to the entire crosssectional region.
Patent JP-2000165050-A (JP)
Title: Multilayered laminated substrate having high density interconnections and its manufacture
Inventor: HANTO HAN JIAN
IPC: H01R12/04
Filed: 1999-11-12
Abstract: PROBLEM TO BE SOLVED: To manufacture a multilayered substrate having a high signal density at low costs with a smaller number of steps and without reducing the productivity, by forming an electrical connection between a pad of a first circuit layer and a pad of a second circuit layer using a conductive substance. SOLUTION: A first surface of a bonding sheet is laminated to a second surface of a first circuit layer 10 by thermocompression bonding, and holes are formed which end at a pad on the first surface of the layer 10 while passing through a release layer, the bonding sheet and the layer 10. Then, a hole in the release layer adhered to the bonding sheet is filled with a conductive substance that is in contact with the pad of the layer 10. The release layer is removed form the bonding sheet. The bonding sheet is then laminated to a first surface of a second circuit layer by thermal compression to thereby allow the hole to face the pad of the second circuit layer. The conductive substance forms an electrical connection between the pad of the layer 10 and the pad of the second circuit layer.
Patent JP-2000226489-A (JP)
Title: Composition for molding
Inventor: YASHIRO YASUO
IPC: C08L25/00
Filed: 1999-11-12
Abstract: PROBLEM TO BE SOLVED: To provide a compsn. for flexible molding emitting no hydrogen chloride during incineration causing dioxin and acid rain, and excellent in mold release. SOLUTION: This compsn. for molding comprises 5-95 pts.wt. syndiotactic 1,2-polybutadiene (A), 5-95 pts.wt. block copolymer of an arom. vinyl compd. and a conjugated diene compd. (B) (wherein total of component (A) and component (B) is 100 pts.wt.), and 0.01-3 pts.wt. at least either one (C) of a metal soap (c-1) or a fatty acid amide (c-2), and its hardness (Shore D)is in the range of 10-50 degree.
Patent JP-H05155642-A (JP)
Title: Production of expanded beam region forming single-mode fiber
Inventor: NAGAOKA SHINJI
IPC: G02B6/10
Filed: 1991-12-06
Abstract: PURPOSE:To produce the subject fiber on which a beam size expanded region is previously formed at regular intervals over its entire length by heating the part of the fiber sufficiently shorter than the interval to a high temp. CONSTITUTION:An optical fiber preform is drawn to form a high-strength single- mode optical fiber (2-3) with a thin-film carbon formed around the clad over its entire length. The specified length of the fiber sufficiently smaller than a specified interval L is heated at a thousand several hundred degrees ( deg.C) for a specified time, and an expanded beam region forming single-mode fiber on which a beam size expanded region (2-4) having the beam size larger than that of the single-mode of its own is partially and periodically formed is produced.
Patent JP-H06174941-A (JP)
Title: Surplus length treatment mechanism for juncture of optical cable with connector
Inventor: ISHIDA HIDETOSHI
IPC: G02B6/38
Filed: 1992-12-02
Abstract: PURPOSE:To smoothly treat the surplus length parts of optical cables and the coated optical fibers at their terminals at the time of an operation to connect the optical cables. CONSTITUTION:The terminal parts of the respective optical cables 1 are introduced variably in insertion length from introducing holes 19 formed at both end plates 21 of a coupling box 20 which is the supporting means of two pieces of the optical cables 1 facing each other into this coupling box. These introducing holes 19 are provided to stagger in axis at both ends of the coupling box 20. The surplus length parts 2a of the optical fiber units 2 led out of the terminal parts of the respective optical cables 1 arranged to stagger in axis are bent in the intermediate space part S of the right and left optical cables 1 and are thereby adjusted. The coupling part of the optical connector 8 exists in this space S as well. The surplus length adjustment of the optical cables 1 is executed by varying the insertion length into the coupling box 20.
Patent JP-H02172071-A (JP)
Title: Phase locked loop circuit
Inventor: SAIKI EISAKU
IPC: H03L7/08
Filed: 1988-12-23
Abstract: PURPOSE:To obtain a readout signal with accurate pulse width without any adjustment by using a delay circuit able to set a dealy with high accuracy, and retarding a VCO signal for a prescribed time with respect to an external input signal. CONSTITUTION:Readout information RD51 is fed to an RD signal generating circuit 1a of a phase comparator 1, an INC (flow-out current of charge pump 2) signal generator 1b and a CK terminal of each DFF of a DEC (drawout current) signal generator 1c, and the leadout signal 57, the INC signal 53 and the DEC signal are raised at the front ridge of the RD51. The delay readout information 58, the DFF 113 and the signal resulting from the signal 58 through delay and polarity inversion are inputted to a 3-input NAND 116, the readout signal is fallen at the front ridge of the signal 58 to obtain the signal 57 with a pulse width of the phase difference between the signals 51 and 58. The circuit 1b falls the INC signal 53 at the front ridge of the delay output 61 and the pulse width is prolonged by that of the signal 57 by a delay tau3. The circuit 1c falls the DEC signal 54 at the trailing edge of the delay output 62 to prolong the pulse width by a delay tau4. Since the relation of tau3=tau4 exists, the pulse width of the signals 57, 53 is set with no adjustment and the width is constant independently of power supply and temperature.
Patent JP-2000144812-A (JP)
Title: Control system for construction machine
Inventor: OTOMO FUMIO
IPC: E02F9/20
Filed: 1998-11-13
Abstract: PROBLEM TO BE SOLVED: To control a plurality of construction machines by detecting the position and the level of the construction machine by a GPS and one of a plurality of laser beams of a rotary laser device. SOLUTION: A rotary laser device 1 emits a plurality of laser beams separately in the upper and lower directions, and forms a laser beam reference face composed of a horizontal reference face and a plurality of conical reference faces. Next, a bulldozer 2 is provided with a level sensor 7 discriminating the modulation condition of the respective beams 4, a receiving part 53 receiving the signals from a GPS antenna 9 and a GPS base antenna 8, a signal processing part 54 amplifying the received result and inputting it to a control device 50, the control device 50 computing the position of the bulldozer 2 based on the position information from the processing part 54 and controlling the execution condition, a display part 5 displaying the computed result and the execution condition, an operation part 56, and a blade drive part 71 elevatably driving a blade 5.  Hereby, a plurality of construction machines can be controlled by one rotary laser device, and a complicated ground leveling work can be easily executed.
Patent JP-H10165407-A (JP)
Title: Focus tracking device for therapeutic instrument
Inventor: BAUER EDGAR
IPC: A61B17/22
Filed: 1997-11-25
Abstract: PROBLEM TO BE SOLVED: To enable to combine an ultrasonic diagnostic instrument and an ultrasonic therapeutic instrument, by tracking the track of a target mark up to the present focus position and adjusting the plane scanned by an ultrasonic wave transmitter/receiver so as to pass the focus of the ultrasonic wave generator. SOLUTION: A position signal transmitter 11 is equipped on an ultrasonic therapeutic instrument 12 and the position of a transmitter/receiver outputted by the position signal transmitter 11 is supplied as a position signal to a control unit 13. A video signal 17 is inputted from an ultrasonic diagnostic instrument 14 into the control unit 13 and the video signal 17 is aligned with the position of a target mark to compensate the focus position of the ultrasonic transmitter 11 or the instrument 12 to display it as a target cross 19 on a screen 20 of a monitor 15. At that time, the control unit 13 is equipped distant from the instrument 12 and used properly combined with a marketed ultrasonic diagnostic instrument.
Patent JP-H01165205-A (JP)
Title: Dielectric resonator
Inventor: HATANAKA HIROSHI
IPC: H01P1/208
Filed: 1987-12-21
Abstract: PURPOSE:To perform the simultaneous resonance of two waves and to realize miniaturization by providing a mode correction device and a resonance frequency fine adjusting device. CONSTITUTION:The mode correction device is formed by, for example, an adjusting screw to vary insertion length to an external conductor, and in case of forming a common coupling device 4 by a probe or a coupling bar, it is provided so that an angle difference of 0 deg. or 0+ or -n90 deg. can be attached on the axial direction of the mode correction device 7 for the axial direction of the coupling device, and in case of forming the common coupling device 4 by a loop, it is formed so that the same angle difference as the above stated can be attached on the axial direction of the mode correction device 7 for the plane of the loop. Also, the resonance frequency fine adjusting device 8 of V mode provided on the external conductor so as to be set in the same direction as that of a coupling device 5 of V mode, and the resonance frequency fine adjusting device 9 of H mode provided on the external conductor so as to be set in the same direction as that of a coupling device 6 of H mode are provided. In other words, in figure to show a magnetic field mode, continuous line shows an electric field and broken line shows a magnetic field. In such a way, the resonance to the two waves can be performed and the miniaturization is realized.
Patent JP-H01166547-A (JP)
Title: Ceramic substrate
Inventor: NEZU TOSHITADA
IPC: H01L23/50
Filed: 1987-12-23
Abstract: PURPOSE:To improve the strength of a printing screen and to reduce the warpage of a substrate at the time of sintering by limiting the printing shape and area of an insulating layer for retaining the end of an electrode conductor only to the part of the end of the electrode. CONSTITUTION:When an abutting pin 1 is brazed by a brazing material 4 to an electrode 3 on a ceramic substrate 2, an insulating layer 5 is so formed as to bridge over between the electrode 3 and the substrate 2 with a certain width of the periphery of the electrode 3. Thus, the stress concentration of a brazing material 4 does not occur at the exposed part of the boundary between the electrode 3 and the substrate 2. Further, since the layer 5 is independent as a pattern from the layer 5 of the adjacent electrode 3, the strength of a printing screen is improved, and the warpage of the substrate 2 at the time of sintering is reduced.
Patent JP-H04192789-A (JP)
Title: Method and device for video signal level/waveform measurement
Inventor: YAMAYA KIYOSHI
IPC: G01R13/30
Filed: 1990-11-26
Abstract: PURPOSE:To specify a desirable location for measurement by outputting a vertical synchronization signal V.S of an unknown video signal V.D by each field when the V.D is non-interlace and by each frame when the V.D is interlace and counting a horizontal synchronization signal HS. CONSTITUTION:A vertical synchronization signal V.SS outputted from a vertical synchronization signal generation part 3 is inputted to a horizontal synchronization signal generating part 4 as a reference pulse and the horizontal synchronization signal H.S is counted. By this, the horizontal synchronization signal H.SS determining the position in the vertical direction of the desirable location for measurement on a video screen displayed on a display device 1 is outputted and becomes a synchronization signal for an oscilloscope 2. The signal H.SS is inputted to a marker generation part 5 as a reference signal and after a lapse of an abitrary and desirable delay time of the H.SS, a marker M.K is outputted. The M.K is displayed on screens 1 and 2 while superposing the video signal V.D. Thus, the arbitrary and desirable location for measurement of the V.D can be specified and the level and waveform of the V.D at the arbitrary and desirable location can be observed and measured.
Patent JP-H09159259-A (JP)
Title: Thermally variable air volume adjusting apparatus
Inventor: ONO AKIRA
IPC: F24F13/10
Filed: 1995-12-13
Abstract: PROBLEM TO BE SOLVED: To obtain a simplified structure inexpensive variable air volume adjusting apparatus capable of driving an air volume adjusting damper without use of an expensive driving source such as electric power and compressed air. SOLUTION: This apparatus is provided with damper blades 9, 10, 23 which are each capable of adjusting the area of the air passage, a piston 7 coupled with the damper blades through a coupling rod, a cylinder 6 for accomodating the piston 7, and a temperature sensitive cylinder 14 coupled with the cylinder 6 through a capillary tube 15 and encapsulating a medium 13 which senses temperature of an object space 1 and expands and contracts in response to the temperature of the object space 1. The temperature of the object space 1 is sensed to actuate the damper blades 9, 10, 23 for adjusting an air volume.
Patent JP-H02169097-A (JP)
Title: Method for promoting flocculation of sludge
Inventor: KOBAYASHI KAZU
IPC: C02F3/12
Filed: 1988-12-21
Abstract: PURPOSE:To promote the flocculation of activated sludge by bringing the supernatant liq. obtained by biologically treating a nitrogen-contg. soln. and irradiated with light into contact with activated sludge, or irradiating the activated sludge used in the biological treatment of a nitrogen-contg. soln. with light. CONSTITUTION:A nitrogen-contg. soln. is biologically treated with activated sludge, and the activated sludge contg. the formed nitrite or nitrate is separated from the soln. (sedimentation, separation by filtration, centrifugal separation, membrane separation, etc.). The obtained supernatant liq. is irradiated with light, and then brought into contact with the activated sludge. Alternatively, the nitrogen-contg. soln. is treated with activated sludge, and the obtained sludge contg. the formed nitrite or nitrate is irradiated with light. By this method, activated sludge is flocculated and concentrated.
Patent JP-H09162447-A (JP)
Title: Production of thermoelectric generating device
Inventor: WATANABE SHIGERU
IPC: H01L35/32
Filed: 1995-12-13
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a very small highly integrated thermoelectric generating device by producing a fine thermoelectric material so as to mount the thermoelectric generating device therewith to a compact, portable electronic device such as a wrist watch. SOLUTION: A stripe pattern is formed on a substrate 10 made of Ti, etc., by using a thick-film photosensitive rein 20, and a thermoelectric structural body wherein first and second thermoelectric bodies 30 and 31 are formed is formed within its opening by plating, then the thermoelectric structural body interposed with an insulator is multiply overlapped each other while the substrate is removed, and the thermoelectric bodies adjoining to each other are connected with each other in serial so as to form a thermoelectric generating device.
Patent JP-H01166878-A (JP)
Title: Device for pouring filling material into ladle sliding nozzle
Inventor: KAMEI NOBUYUKI
IPC: B22D41/46
Filed: 1987-12-22
Abstract: PURPOSE:To pour a filling material into the sliding nozzle of a ladle quickly, safely and surely by force-feeding a filling material in the specified amt. with blasting a compressed air through the tube inserted from the lower part of a sliding nozzle. CONSTITUTION:The tip of a tube 41 is inserted from the lower part into the sliding nozzle 12 in an open state. A filling material A of specified amt. is forcibly fed by blasting a compressed air to a hopper 51 from a compressor 61 and opening a damper 51a on the other hand. The force-fed filling material lifts a cover member 71 and is filled in the peripheral side near the bottom face of a shade piece with colliding therewith. The filling material is thus poured quickly, safely and surely into the sliding nozzle of a ladle.
Patent JP-H01165968-A (JP)
Title: Wafer probing apparatus
Inventor: NAKAJIMA YASUHARU
IPC: G01R1/067
Filed: 1987-12-22
Abstract: PURPOSE:To suppress an effect due to oscillation on the occasion of evaluation measurement of FET and thereby to obtain a device capable of conducting highly precise measurement, by providing a wave-absorbing material at least in a part of a signal takeout conductor needle taking out a signal from a high- frequency semiconductor element. CONSTITUTION:A wave-absorbing material 4 of ferrite is so fitted as to cover a place as near to a probe needle 3 tending to cause oscillation in an insulative blade 1 and a signal wire 2, as possible. A signal take out conductor needle 5 is soldered on a probe card 9 according to the disposition of pads 8 on a wafer 6, and it is set on a wafer probing apparatus, together with the wafer 6 set on a prober stage 7, so as to execute measurement. An electromagnetic wave caused by the oscillation on the occasion of evaluation measurement of FET is absorbed by this wave-absorbing material 4, and thus the precision in the measurement can be enhanced.