baber/WOPTO huggingface dataset:
Patent JP-2000159570-A (JP)
Title: Production of compact cordierite sintered product
Inventor: KONDOU YOSHIHITO
IPC: C04B35/195
Filed: 1998-11-19
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a compact cordierite sintered product, capable of producing the compact cordierite ceramic by a conventional molding and sintering method using natural raw materials without adopting a special method. SOLUTION: This method for producing a compact cordierite sintered product comprises using natural talc, natural kaolin, and alumina or aluminum hydroxide as raw materials, grinding and mixing the raw materials in an average particle size of a sub-micron value or smaller, if possible, <=0.6 μm, molding the obtained raw material particles by a conventional method and then sintering the molded product by a conventional method. In order to obtain the compact cordierite sintered ceramic, the mixed raw materials are ground and mixed in an average particle size of a sub-micron value or smaller, if possible, <=0.6 μm.
Patent JP-H08162482-A (JP)
Title: Semiconductor device
Inventor: FUNADA MASAO
IPC: H01L21/52
Filed: 1994-12-06
Abstract: PURPOSE: To obtain a semiconductor device which is easy both in manufacture and in repair by a method wherein a bare chip is mounted on a thin plate member soldered on a die bonding pad on a printed-wiring board. CONSTITUTION: A thin plate 6 is soldered on a die bonding pad 18 on a printed board 1. A bare chip 4 is bonded on this thin plate 6 using an Au-Si or Au-Sn alloy or a bonding agent 8, such as high heat conductivity epoxy region bonding agent. As this thin plate 6, a flat plate-shaped thin plate consisting of Cu alloy, such as Cu-Cr-Zr (CCZ) alloy and Cu-Sn-Ni (TAMAC-15) alloy, or a flat thin plate consisting of Fe alloy, such as Fe-Ni (42 alloy) alloy and Fe-Ni-Co-Mn-Si (Kovar) alloy, is used. As these thin plates 6 are made of alloy material, the plates 6 and can be made thin in the ranges of 0.1 to 0.15mm, the distance between the bare chip 4 on the thin plate 6 and the board 1 is never increased and the wire bonding of the bare chip 4 to the board 1 is facilitated.
Patent JP-H11162142-A (JP)
Title: Information recording/reproducing system and information recording/reproducing device
Inventor: KUREBAYASHI MASAAKI
IPC: G11B25/04
Filed: 1997-12-01
Abstract: PROBLEM TO BE SOLVED: To utilize an information recording/reproducing device which uses a recording disc such as an optical disc which has an excellent cost-performance for one byte with an easy attachment performance same as that of a memory card even in an electronic apparatus which has a memory card interface only. SOLUTION: A memory card 3 on which a semiconductor memory is mounted and an optical disc recording/reproducing device 4 itself are compatible with each other. The optical disc recording/reproducing device 4 which has an interface compatible with the memory card is attached to a memory card attachment part which is conventionally provided in an electronic apparatus such as a PC(personal computer), etc., to make an identical information record carrier seemingly exist from the electronic apparatus such as the PC.
Patent JP-H02174892-A (JP)
Title: Manufacture of edged tool
Inventor: KANESHIKA TSUTOMU
IPC: B26B9/00
Filed: 1988-12-27
Abstract: PURPOSE:To contrive to save a material cost, by a method wherein, the top face of the basic material of an edged part after hardening which is made thinner than the basic material of a blade main part after hardening, is joined almost on the center line of the bottom face of the basic material of the blade main part, and then both the side faces of the basic materials are ground toward the direction of the center line of the bottom face of the edged part from the vicinity of its joined part. CONSTITUTION:In case of both side face-edged tool, the top face of the basic material 2 of an edged part after hardening which is made thinner in thickness than the basic material 1 of a blade main part after hardening, is joined almost on the center line 3 of the bottom face of the above-mentioned material 1. After that, the above edged tool is formed by grinding both the side faces of the basic materials 1, 2 toward the direction of a center line 5 of the bottom face of the above-mentioned material 2 from the vicinity of its joined part. Next, in case of one side face-edged tool, the top face of the basic material 22 of the edge part after hardening which is made thinner in thickness than the basic material 21 of the blade main part after hardening, is joined on the bottom face 23 of the one-sided side face of the above-mentioned material 21. After that, the above edged tool is formed by grinding its inside face toward a bottom edge 25 of the outside of the above-mentioned material 22 from the vicinity of its joined part 24.
Patent JP-H05164603-A (JP)
Title: Knock sensor
Inventor: TAKAHASHI JUHEI
IPC: G01M15/00
Filed: 1991-12-13
Abstract: PURPOSE:To obtain an excellent knock sensor which can hold the stable characteristics without cracking even if vibrating acceleration is imparted for a long time. CONSTITUTION:The central part of a vibrator comprising a diaphragm 7 and a piezoelectric element 8 is fixed. An electric signal is taken out based on the strain of the vibrator, which is proportional to the vibration of an engine. Thus, knocking is detected with this knock sensor. In this knock sensor, a gap formed between a case 1 and a substrate 3 is filled with liquid 19. The deformation of the vibrator comprising the diaphragm 7 and the piezoelectric element 8 is braked with the viscous resistance of the liquid. The amplitude of the vibrator can be reduced under the state wherein the response to the vibration is secured. The stable, positive knock detection can be performed even if the large acceleration is applied for long time.
Patent JP-H05168191-A (JP)
Title: Bearing device
Inventor: HASHIZUME MICHINORI
IPC: H02K5/167
Filed: 1991-12-13
Abstract: PURPOSE:To provide a bearing device by which stable rotation can be obtained without occurrence of vibration in a rotary part used for a tape recorder, etc. CONSTITUTION:The tapered face 5a of an upper bearing retainer 5 abuts on the top peripheral angle 1b of a bearing body 1, and the tapered face 3a of a lower bearing retainer 3 abuts on the bottom peripheral corner 1a of the bearing body 1, and both bearing retainers 3 and 5 are screwed with each other, whereby they becomes capable of axial 2 displacement. It the upper bearing retainer 5 is rotated and lowered by the action of a spring, in the vicinity of opening around the bearing body, the space to the shaft 2 is reduced gradually, and it can be adjusted with ultrasmall space, so the occurrence of the inclination or the vibration of the shaft 2, unevenness in rotation, and others can be prevented.
Patent JP-S63174122-A (JP)
Inventor: FURANKU CHIYAARUZU KORUNITSUKU
IPC: G06F3/048
Filed: 1987-12-28
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H05166383-A (JP)
Title: Semiconductor memory device
Inventor: KITAGAWA NOBUTAKA
IPC: G11C11/419
Filed: 1991-12-13
Abstract: PURPOSE:To shorten operation time, to reduce power consumption and to prevent malfunction by controlling electric discharge of bit lines, separating bit lines from a sense amplifier and controlling timing for the start of sense operation. CONSTITUTION:When the transfer gate N0 of a memory cell 2 is brought into conductive state, and after the elapse of a prescribed time T1, the sense gate P4 of the sense amplifier 3 is made non-conductive, the storage information read out to the bit line BL is fetched in the sense amplifier 3 to such extent as a sense operation is possible, the discharge of the bit line BL is stopped, and the bit line BL and the sense amplifier 3 are separated. Then, after the elapse of a prescribed time T2, the gate N0 is made non-conductive, the memory cell 2 is separated from the bit line BL, also after the elapse of a prescribed time T3, a sense starting means N3 is made a conductive state and the sense operation is commenced. By making the discharge of the bit line as a required minimum by this timing control, the operation time of the sense amplifier at read time is shortened, and the low power consumption and the prevention of malfunction are attained.
Patent JP-H01173977-A (JP)
Title: Noise canceling circuit
Inventor: OGAWA MASUMI
IPC: H04N5/213
Filed: 1987-12-26
Abstract: PURPOSE:To eliminate a noise, either a white noise and a black noise, at one side mixed in a video signal by generating the peak rectified voltage of either the white noise and the black noise mixed in the video signal at the other side near the image peak of either a white or a black at one side and making the rectified voltage into a threshold level. CONSTITUTION:The title device is equipped with a peak rectification circuit 5 or 7 to output the peak rectified voltage of one side out of the white side and the black side of the video signal under a state in which the peak rectified voltage is level-shifted up to a level near the peak of the other side out of the white side and the black side, and a comparing circuit 4 or 6 to level- compare the peak rectified voltage and the video signal and eliminate the noise at the other side which exceeds the peak rectified voltage. Thus, since the noise of the black (white) side, namely, the opposite side, is eliminated based on the peak rectified voltage of the white (black) side, the threshold level for discriminating the noise is never changed in the same direction as that of the level change of the noise, and the noise is discriminated and eliminated surely.
Patent JP-H01170424-A (JP)
Title: Indicator of jar type rice boiler
Inventor: YAMANE YOSHIYUKI
IPC: A47J27/00
Filed: 1987-12-25
Abstract: PURPOSE:To enable a warming time for cooked meals to be recognized at a glance by indicating the warming function with a light-emitting diode during warming of the cooked meals while indicating a time elapsing after the beginning of warming. CONSTITUTION:A light-emitting diode (LED) for indicating a warming function is lit in worming of cooked meals, while a time elasping after the beginning of warming is indicated on an indicating section 14. By such indication can tell an user at a glance how much time has been elapsed at present for the warming.
Patent JP-H10165612-A (JP)
Title: Game machine system
Inventor: NISHIMORI MONTAROU
IPC: A63F7/02
Filed: 1996-12-11
Abstract: PROBLEM TO BE SOLVED: To let a player efficiently grasp prizes changeable with the number of game media of the player so as to improve concentration of players by sending the number of the game media to a prize controller, when the counted game media number is changed by a prescribed quantity and controlling an image data to be displayed on a display, when receiving the image data. SOLUTION: When a card read and write part 11b receives a membership card, a control part 11g commands a pachinko machine 14 to start operation and when it receives data expressing the shooting number or the obtaining ball number from the pachinko machine 14, the control part outputs the data to a ball number control part 11f. When the number of balls held by the player which is controlled by the holding ball control part 11f is changed by a prescribed quantity, external appearance images of prizes corresponding to the holding ball number are requested to a prize control device 10 so that the picture data received therefrom is outputted on a display control part 11c.  Use of the card mount device 11 and the pachinko machine 14 having the above constitution can supervise the holding number of the player at all times and display the picture images of the prizes corresponding to the holding ball number on the display part 11d.
Patent JP-H08159246-A (JP)
Title: Differental carrier vibration control structure for automobile
Inventor: ONIZUKA MUNENORI
IPC: F16H57/038
Filed: 1994-12-09
Abstract: PURPOSE: To suppress wind-up owing to reaction force at a moment when shaft torque is transmitted and to reduce tooth striking noise owing to an impact to a level lower than an audio limit. CONSTITUTION: The thickness of a differential carrier 21 extending further to the front side than an acceleration shaft rotation center 22 is increased and weight required for damping of wind-up vibration is increased. Since inertia around the rotation center of an acceleration shaft is increased by increase in the weight, rapid wind-up is suppressed and the generation of tooth striking noise due to an impact is reduced.
Patent JP-H02176975-A (JP)
Title: Automatic wiring method for printed board
Inventor: TOYODA TAKESHI
IPC: G06F17/50
Filed: 1988-12-28
Abstract: PURPOSE:To enable efficient wiring by detecting an empty cell amount four cell groups which constitute a search-directional square area including a wired cell, correcting wiring passed through the empty cell into a wired state, and rewriting the cell which is already wired into an empty cell. CONSTITUTION:Wiring information showing a connection relation with an adjacent cell, wiring inhibition information, and emptiness information are written in each cell and when a state wherein a search can not be made because the wired cell C1 is present in the search direction is detected, the cell groups C1 - C4 which constitute the square area in the search direction including the wired cell C1 are extracted. The empty cell C4 is detected among those cell groups, the wiring passed through the empty cell C4 is corrected into a wired state, and the wired cell C1 is rewritten into an empty cell. Consequently, even if there is wiring which causes the trouble of a search, a search point is advanced avoiding the wiring, so high-density printed board wiring can be generated.
Patent JP-H04199376-A (JP)
Title: Finger print image input device
Inventor: NIIZAKI TAKU
IPC: G06T1/00
Filed: 1990-11-29
Abstract: PURPOSE:To always obtain the finger print picture of good quality without being influenced by the state of a finger by measuring the luminance, etc., of the finger print picture, and controlling the quantity of light of lighting to the finger so that a measured value lies within a prescribed range. CONSTITUTION:At the time of the collation of the finger print picture, a lighting control part 9 measures one or plurality of the luminance, the S/N, the contrast, and the white and black ratio after binarization of the obtained finger print picture, and controls the quantity of light of the lighting so that the measured value lies within the prescribed range. Namely, when the multi-level picture data of a finger print image is inputted from an A/D converter 6, a binarization circuit 7 binarizes the protruding part of the finger print into a white picture element and the recessed part of it into a black picture element. Then, the lighting control part 9 measures the number of the white picture elements in one picture, and compares it with a preset threshold, and in the case that the number of the white picture elements is smaller than the threshold, it controls power supply 12 so as to increase a current flowing to a lighting light source 5. Thus, the quantity of light of the lighting is controlled so as to meet the state of the finger, and the finger print image of good quality can be obtained.
Patent JP-2000223466-A (JP)
Title: Method and system for drying wafer
Inventor: MOTO YUTAKA
IPC: F26B13/24
Filed: 1999-11-22
Abstract: PROBLEM TO BE SOLVED: To provide a method and a system for drying a wafer in which drying efficiency can be enhanced while shortening the drying time. SOLUTION: Nitrogen gas is ejected into a space above the liquid level of pure water in a drying chamber where a wafer is immersed and, at the same time, liquid-phase isopropyl alcohol is ejected at a temperature higher than that of the wafer in the vicinity of an opening for ejecting nitrogen gas thus spraying mist-like IPA(isopropyl alcohol) into the space. When the wafer is exposed from the liquid level of pure water in the drying chamber, pure water adhering to the opposite sides of the wafer is substituted by mist-like IPA and evaporated thus drying the wafer.
Patent JP-H01173642-A (JP)
Title: Manufacture of semiconductor device
Inventor: YAMAUCHI TSUNENORI
IPC: H01L29/73
Filed: 1987-12-26
Abstract: PURPOSE:To reduce a base parasitic resistance value and to make a pattern microscopic by a method wherein a base extraction poly-Si layer and an epitaxial base layer are connected by using a poly-Si stepped part and an emit ter part and the base extraction poly-Si layer are formed in a self-aligned man ner. CONSTITUTION:A field insulating film 4, a base extraction poly-Si layer 5 and an insulating film 6 are formed on an epitaxial layer 3 in this order; three layers in a region where an emitter and a base are to be formed are removed; a recessed part whose bottom is the epitaxial layer 3 is formed. Then, a poly-Si stepped part 7 is formed on a side face of the recessed part; it is connected to the base extraction poly-Si layer 5; an epitaxial base layer 8 whose type is opposite to that of the epitaxial layer 3 is formed on the bottom; an insulating stepped part 9 is formed on the side face. In addition, poly-Si 10 for emitter use is applied to the epitaxial base layer 8; an impurity is implanted into the epitaxial base layer 8 from the poly-Si 10; an emitter diffusion layer 11 is formed. Accordingly, the emitter part and the base extraction poly-Si layer 5 are formed in a self-aligned manner. By this setup, a base parasitic resistance value can be reduced and a pattern can be made microscopic.
Patent JP-H10163269-A (JP)
Title: Resin composite for semiconductor working
Inventor: KOSHIBE SHIGERU
IPC: H01B1/20
Filed: 1996-11-26
Abstract: PROBLEM TO BE SOLVED: To relieve stress at the time of semiconductor working, by constituting a resin composite, which is used when a semiconductor element is directly mounted on a circuit board, of flexible material having stress relaxing property, and imparting conductivity to the surface of the resin composite. SOLUTION: A resin composite 4 is arranged between a board electrode 5 of a circuit board 2 and a semiconductor chip electrode 3. The resin composite 4 is formed by sputtering gold on the surface of silicon rubber and arranging a conductive layer 6. The resin composite 4 is formed larger than a bump which is usually used, and a semiconductor chip 1 is connected with the board electrode 5 and fixed to the board 2. Since the resin composite 4 has flexibility by itself, thermal stress at the time of semiconductor device mounting can be sufficiently relieved. As to the bonding of the resin composite 4 and the electrode 3, the electrode 3 composed of aluminum may be directly bonded to gold on the surface of the resin compound 4 by ultrasonic heating, and adhesive agent may be also used.
Patent JP-H08156668-A (JP)
Title: Vehicular seat
Inventor: NAKANO NOBUYUKI
IPC: B60R21/20
Filed: 1994-12-09
Abstract: PURPOSE: To secure a space for an air bag to be expandable at the time of the side collision of a vehicle so as to suppress impact load received by a seated person from the air bag body, to effectively absorb inertial force applied to the seated person and to prevent the secondary collision of the seated person against the body side wall side and the tertiary collision against interior articles in a cabin. CONSTITUTION: A reinforcing member 31 is rigidly fixed to the upper part of a seat back 23, and protruding rods 33 protruding outward from both side parts of the seat back 23 are formed at both ends of the reinforcing member 31. An inner bracket is rigidly fixed to the reinforcing member 31. An outer bracket 41 parallel with the inner bracket is rigidly fixed to the tip of the protruding rod 33. The outer bracket 41 and the inner bracket are connected by a lateral rod 43 to form a space part 45, and an air bag device 51 for a side collision is enclosed in the space part 45.
Patent JP-H01172039-A (JP)
Title: Headrest control device
Inventor: SUGIYAMA HIROSHI
IPC: B60N2/90
Filed: 1987-12-26
Abstract: PURPOSE:To facilitate storing and position adjustment, etc., of a headrest by a method wherein, when a passenger sits on a rear seat, while the headrest of the rear seat stored, the action is detected and accordingly the headrest is elevated. CONSTITUTION:To the upper side of the back of the seatback 1 of a rear seat is attached a forward-backward rotatable motor M which vertically moves headrest 1a between a upper limit and a lower limit. Also attached to the side of a seat cushion 4 are an actuating switch for actuating the motor M to vertically move the headrest 1a and an actuating switch SWASS to vertically move the headrest of an assistant driver's seat. In addition, to the bottom of a seat cushion 4, a body pressure sensor S is attached for detecting the sitting of a passenger. And, the motor M is controlled such that the headrest 1a is elevated when a passenger sits on the rear seat and that the headrest 1a is lowered when the actuating switch for a driver is operated and no passenger is detected.
Patent JP-H01172229-A (JP)
Title: Multiple iron oxide particle powder and its production
Inventor: KATAMOTO TSUTOMU
IPC: C01G49/06
Filed: 1987-12-26
Abstract: PURPOSE:To obtain the title powder useful as adsorbent, deodorant, etc., having excellent filtrability and permeability to air, etc., and being an aggregate of powder having large voids, by adsorbing acicular hydrated iron oxide fine particles on specified hematite particle. CONSTITUTION:A suspension contg. laminar delta-FeOOH and having >=2pH value is hydrothermally treated at 150-320 deg.C in an autoclave to obtain the O- or C-shaped hematite particles having 0.1-1.0mu mean value of max. diameter and 100-800Angstrom  X-ray particle diameter in D104 face. Then, the suspension contg. the hematite is mixed with a suspension contg. the acicular hydrated iron oxide having 0.01-0.1mu major axis and 0.005-0.05mu minor axis to produce the multiple iron oxide particles adsorbing the acicular hydrated iron oxide fine particles on the surface of the hematite above-mentioned, and the particles are separated, dried and treated by heating (e.g. 350 deg.C) in the air to obtain the title powder.
Patent JP-H09169988-A (JP)
Title: Lubricating oil composition for speed reducing mechanism
Inventor: OGANO SATORU
IPC: C10M155/02
Filed: 1995-12-20
Abstract: PROBLEM TO BE SOLVED: To provide the subject composition containing fine silicone resin particles dispersed in a base oil and usable in a speed reducing mechanism of a smoke-shielding fireproof roller shutter, etc. SOLUTION: This composition is produced by dispersing (A) fine particles of a silicone resin in (B) a base oil (preferably an alkylene glycol, a polyoxyalkylene glycol or an alkylene glycol derivative or a polyoxyalkylene glycol derivative produced by blocking one or both terminals of the glycol with alkyl group). The component A has an average particle diameter of 0.1-20μm, preferably 0.3-12.0μm, especially 0.5-3.0μm and a particle diameter distribution exhibiting a normal distribution within ±70%, especially ±50% of the average particle diameter. The volume ratio of the component A dispersed in the component B is 0.4-0.7, preferably 0.5-0.6.