baber/WOPTO huggingface dataset:
Patent JP-H116163-A (JP)
Title: Construction method for underground structure
Inventor: TSUTSUMI HIROYASU
IPC: E02D29/00
Filed: 1997-06-17
Abstract: PROBLEM TO BE SOLVED: To construct a deep underground structure, reduce an influence on the neighboring ground, simplify an earth retaining wall and improve the quality of a building frame without using such methods as pumping or freezing of underground water and chemical grouting the permeable ground where the level of underground water is high. SOLUTION: Earth retaining walls 10 larger than external walls of an underground structure are built, the ground inside the walls is excavated to a shallow portion while pumping water, and a lower building frame 16 to be installed in a deep portion is built at the excavated shallow portion. After that, the lower building frame 16 is floated by flooding the excavated shallow portion with water, the deep portion is underwater-excavated from the top of the lower building frame 16 while towing the floating lower building frame 16, air shafts 24 reaching the surface of water are mounted on the top of the lower building frame 16, and the lower building frame 16 is sunk quietly in the excavated underwater deep portion while pouring water inside, water cutoff treatment is made for clearances between the lower building frame 16 and the earth retaining walls 10,  the shallow portion on the upper portion of the lower building frame 16 is drained, and the upper building frame is built on the shallow portion.
Patent JP-S6139985-A (JP)
Title: Speed control circuit of magnetic head
Inventor: TAKI YOICHIRO
IPC: H02P25/06
Filed: 1984-07-31
Abstract: PURPOSE:To shorten the access time by adding a speed signal and a speed reference signal in proportion to the speed of a magnetic head so as to generate a speed error signal and then adding the speed error signal and a feed forward signal to drive a voice coil motor. CONSTITUTION:An output of a binary output circuit 10 in accordance with the number of tracks between a present position and a marker track of a magnetic head 21 is added to a read only memory 11 and a speed reference signal generating circuit 15. The circuit 15 receives a logical signal which shifts in the positive direction and a logical signal 2 which shifts in the reverse direction, outputs it to an addition amplifier 16 and the amplifier 16 further receives an output of a speed signal generating circuit 20 and inputs it to an addition amplifier 17. the amplifier 17 further receives a singal 4 outputted from an analog switch 14, adds it and drives a voice coil motor 19 through a power amplifier 18. A polarity change-over circuit 13 receives signals 1 and 2, supplys a polarity of an output signal of a D/A converter 12 to a change-over switch 14 and the switch 14 receives a logical signal 3 of decelerating motion and outputs the signal 4. Thus, the access time can be shortened.
Patent JP-H0324935-A (JP)
Title: Preparation of film
Inventor: YAMAMOTO HIROYUKI
IPC: B29L9/00
Filed: 1989-06-22
Abstract: PURPOSE:To uniformly and certainly impart gas barrier properties, heat sealability, surface lubricity and printability by treating the surface of a base material film and subsequently coating said film with a coating agent to stretch the same. CONSTITUTION:A coating process for coating a base material film with a coating agent and a stretching process for stretching the coated film are provided. The thermoplastic resin constituting the base material film is a stretchable resin having film forming capacity and, for example, polyethylene, an ethylene/ethyl acrylate copolymer and an ionomer are used. As surface treatment, treatment forming an active group such as a carbonyl group or a carboxyl group to the base material film or forming recessed and protruding parts to the surface thereof, for example, corona discharge treatment, high frequency treatment or solvent treatment can be designated. The coating agent used in the coating process is selected corresponding to a purpose for modifying a film, for example, gas barrier properties, heat sealability, surface lubricity and printability. In the stretching process, uniaxial or biaxial stretching is performed simultaneously or in a time series manner corresponding to the kind of a thermoplastic resin and the desired characteristics of a film or uniaxial stretching and biaxial stretching may be combined.
Patent JP-H0211723-A (JP)
Title: Manufacture of micro shaft
Inventor: SHIBA TAKESHI
IPC: F16C3/02
Filed: 1988-06-28
Abstract: PURPOSE:To manufacture the title shaft having excellent accuracy, toughness and wear resistance by subjecting a nonmagnetic steel contg. specific wt.% of C, Si, P, S, Cr, Ni and N to cold wire drawing at specific working degree, heating it at specific temp. for specific time, cutting the steel and thereafter subjecting the same to finish working. CONSTITUTION:The wire rod of a nonmagnetic steel contg., by weight, 0.05 to 0.25% C, 0.20 to 1.0% Si, 10 to 25% Mn, <=0.04% P, <=0.015% S, 10 to 20% Cr, 1.5 to 4% Ni and 0.01 to 0.5% N is subjected to heat treatment and is thereafter worked by cold wire drawing at 65 to 75% working degree to form a wire stock 1. The wire stock 1 is then straightened by a straightening apparatus 4 and is heated at 400 to 550 deg.C in proportion to the wire diameter in such a manner that 80 to 300sec is regulated for 1mmphi wire diameter by a heating furnace 6. After that, the wire is cut by a cutting machine 8 and is subjected to finish working. By this method, the micro shaft having excellent accuracy, toughness and wear resistance can be manufactured.
Patent JP-S6315510-A (JP)
Title: Crystal resonator
Inventor: SEKI KENICHI
IPC: H03H9/19
Filed: 1986-07-08
Abstract: PURPOSE:To improve the productivity and electric performance such as the crystal impedance (CI) and the spurious characteristic by obtaining the excellent electric characteristic when a frequency difference between the main vibration and the sub vibration of a thickness-shear vibrator is a prescribed value. CONSTITUTION:The face works is applied to the crystal vibrator where a side ratio l/w of a length (l) of the crystal chip excited with the thickness group vibration in x/z' axial direction to a width (w) is selected within 3.52-5.40 so as to make the difference DELTAfm in the frequency between the main vibration and the sub vibration of the said crystal chip to be DELTAfm=2435 X e-0.355F+ or -10%, where (e) is a base of natural logarithm being nearly 2.72 and F is a frequency of the main vibration in the unit of MHz. The equation is an experimental equation introduced from a figure showing the relation between the frequency f0 of the main vibration and the frequency difference DELTAfm minimizing the value CI. In specifying the bevel working quantity for the frequency difference satisfying the experimental equation, the minimum CI value is obtained. Further, when the said experimental equation is satisfied, the other electric characteristics such as the capacitance ratio C1/C0 and the temperature characteristic are improved.
Patent JP-H0316006-A (JP)
Title: Magnetic head
Inventor: SAKATA KATSUMI
IPC: G11B5/23
Filed: 1989-06-26
Abstract: PURPOSE:To prevent the deterioration of magnetic characteristics and the generation of a pseudo gap and to provide the magnetic having excellent reliability in terms of joining strength by combining and integrating thin films of a magnetic metal and oxide substrates by the thermal diffusion of metallic layers consisting of Au. CONSTITUTION:A joining material 12 is constituted of the 1st metallic layer 12a consisting of Cr or Ti and the 2nd metallic layer 12b consisting of Au. An electromagnetic core I and an auxiliary member 10 are joined as the 2nd metallic layers 12b are butted against each other and are thermally diffused. The joining materials 12, 13, 14 are all formed similarly at the joint surfaces A, B, C of the magnetic head. The gap part and the boundary faces of the oxide substrates and the thin films of the magnetic metal are joined by the low-temp. thermal diffusion of the Au to each other, by which the generation of the pseudo gap and the impairment of the magnetic characteristics intrinsic to the magnetic cores are obviated. The excellent reproduced output characteristics are obtd. in this way.
Patent JP-H0917733-A (JP)
Title: Forming method for porous silicon thin film
Inventor: TANIGUCHI HIROSHI
IPC: C23C16/50
Filed: 1995-06-27
Abstract: PURPOSE: To make it possible to form a high-quality porous silicon thin film on a substrate by a CVD method by applying a bias of a specified voltage by using a mixed gas of both oxygen gas and silane-based plasma gas by a specified pressure and microwave power under resonance by an electron cyclotron. CONSTITUTION: A silicon substrate is placed on a substrate holder of a CVD equipment, a bias of 0 to 200V is applied to the silicon substrate, and the substrate is held to a predetermined temperature. Moreover, microwave is introduced by a square wave wave guide, and a predetermined magnetic field is applied to a magnetic coil 3. Next, SiH4 gas and O2 gas are introduced to a reaction chamber of a plasma generating chamber 2, a total pressure is kept to 10<-1> to 103 Pa, plasma is generated with 0.1 to 5kW power, and a porous silicon thin film is formed on the silicon substrate. When the silicon substrate forming the porous silicon thin films is irradiated with laser, clear lighting of the laser radiating portion can be confirmed.
Patent JP-H066651-A (JP)
Title: Camcorder
Inventor: MISHIMA TOSHIO
IPC: G11B33/02
Filed: 1992-06-19
Abstract: PURPOSE:To facilitate the operation by decreasing number of operation switches and operation keys even when functions are increased and number of operations is increased. CONSTITUTION:A video tape recorder mode silk 3 and a camera mode silk 5 are provided at one side face of a turning ring shaped operation key 1 in the broadwise direction, a power supply switch mark 7 is provided at a position opposite to the silk seals 3, 5, and a reproduction mark 9 representing the reproduction position, an edit mark 11 representing the position of changeover to the edit function, a line input output mark 13 representing the changeover position to line input/output or the like are provided to one side face of the operation key 1 at the position of the silk 3 in the broadwise direction. On the other hand, a port rate mode mark 15, a sport mode mark 17 and a shutter mode mark 19 or the like for changeover of each of the port rate mode, the sport mode and the shutter mode and an automatic operation mode mark 21 are provided at a position of the silk 5 on one side face of the operation key 1 in the broadwise direction.
Patent JP-H09316668-A (JP)
Title: Etching working method and etching working device
Inventor: NAGAI AKIRA
IPC: C23F1/00
Filed: 1996-05-31
Abstract: PROBLEM TO BE SOLVED: To improve the adhesion of a resist without deteriorating the productivity and increasing the cumulative exposure in resist baking, in etching working in which a lead frame for a semiconductor or the like is worked, by providing a heating stage after the resist baking stage. SOLUTION: A pattern is baked on a dry film pasted on a metallic bar stock 1, and this bar stock 1 is cramped by heating rolls 3 and is heated. In this way, the dry film is stabilized, and the adhsivenness degree between the dry film and the metallic bar stock 1 can be increased. Next, the bar stock 1 is developed by a developing device 4 and is subjected to etching by an etching device 5 to obtain a lead frame for a semiconductor. Furthermore, a far infrared heater or the like may be used instead of the heating rolls 3.
Patent JP-H0326702-A (JP)
Title: Scale inhibitor for vinylic monomer and method for preventing scale using the same
Inventor: TACHIBANA HIROMITSU
IPC: C08F14/06
Filed: 1989-06-23
Abstract: PURPOSE:To obtain a scale inhibitor, composed of a reaction product of an aminonaphthalene with a hydroxynaphthalene and effective in preventing polymer scales from sticking to inner wall surfaces, etc., of a polymerization reaction vessel in polymerizing a vinylic monomer. CONSTITUTION:The objective scale inhibitor composed of a reaction product obtained by dissolving an aminonaphthalene (preferably polyaminonaphthalene) and a hydroxynaphthalene (preferably polyhydroxynaphthalene), preferably at (1/1)-(3/1) molar ratio in a synthetic solvent, adding a catalyst thereto and then reacting both. The interior of a polymerization reaction vessel is coated with the aforementioned inhibitor in carrying out polymerization of a vinylic monomer to prevent scales of polymers from sticking thereto.
Patent JP-S6137010-A (JP)
Inventor: OKA YUICHI
IPC: A01B63/111
Filed: 1984-07-30
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-S5866619-A (JP)
Title: Twin-cut device for metal strip
Inventor: KATOU HIROKI
IPC: B23D31/00
Filed: 1981-10-09
Abstract: PURPOSE:To aim at shortening cycle time, by causing a coil finishing end and a coil starting end to be formed simultaneously on the strip by means of each cutting motion of a couple of cutters, while cutting off both the front and the rear of a coil connecting part at the same time. CONSTITUTION:With a twin-cut device 2, both the front and the rear of a connecting part of a metal strip 4 are simultaneously cut off whereby the connecting part 98 is removed, and the angular form of a coil starting end 102 for the next coiling is formed up. As a result, this method dispenses with trouble for recutting with the metal strip in the desired length drawn out again after cutting once.
Patent JP-S6221141-A (JP)
Title: Photopolymerizable composition
Inventor: IWASAKI MASAYUKI
IPC: G03F7/004
Filed: 1985-07-22
Abstract: PURPOSE:To enable a photoresist to easily peel off with a dil. alkaline aqueous solution which is usually used by incorporating an org. allyl compd. having at least one of an allyl group in a molecule and a specific b.p. to the titled composition which can be developed with an alkaline condition. CONSTITUTION:The titled composition comprises the compd. having at least two ethylenically unsatd. group in the molecule, a photopolymerizable initiator, a binder polymer contg. a carboxylic acid group and the org. allyl compd. having at least one of the allyl groups in the molecule and >=100 deg.C b.p. at 760mmHg as an essential components. A thermal polymerization inhibitor, a plasticizer, coloring matter, a discoloring agent and an another auxiliary agent may be optionally used together with the prescribed components. The titled composition is most preferable to be used to the photoresist layer of the film photoresist. The titled composition capable of developing with a weak alkaline aqueous solution and having a good alkaline resisting property and capable of forming a photocured film which is a soft and no brittle, is obtd., thereby enabling of working the substrate with a high accuracy.
Patent JP-H0670641-A (JP)
Title: Robot for grafting tree
Inventor: OTSUKI HARUKI
IPC: A01G1/06
Filed: 1992-06-19
Abstract: PURPOSE:To provide the compact tree-grafting robot good in operability. CONSTITUTION:A tree-grafting section 2 is disposed on the front surface of a clip feeder 1, and a stock-scion-grafting device 25 is disposed in the center of the tree-grafting section 2. A stock-feeding section 3 and a scion-feeding section 4 are disposed on both the sides of the tree-grafting section 2. Thus, the feeding direction of the clips and the feeding direction of the seedlings are not interfered with each other, and the stock seedling feeder and the scion seeding feeder are not interfered with each other, thereby permitting the wholly reasonable disposition of the operation devices. The stock-scion-joining section 2 equipped with a clipping device 124 is disposed on the front surface of a clip feeder 1, and the clip feeder 1 is disposed above its support frame 131. A space is disposed below the grafting section 2, and the vibration of the clip feeder 1 is received on the support frame 131. The space below the grafting section 2 can be utilized as the working area of an operator, the disposition place of a foot switch 132 for emergent stoppage, etc.
Patent JP-H0513194-A (JP)
Title: Method for measuring negative ion in plasma
Inventor: AMAMIYA HIROSHI
IPC: H05H1/00
Filed: 1991-07-02
Abstract: PURPOSE:To provide a method for measuring a negative ion in a plasma, where density of the negative ion in the plasma is locally measured with accuracy. CONSTITUTION:A probe P1 is disposed in a desired measuring portion in a plasma. A laser 5 is irradiated in the vicinity of the probe P1 of the plasma. An electron, which is photodesorbed from a negative ion in the plasma by radiation of the laser 5, is collected by the probe P1 so that a photodesorbed electron current is measured. Consequently, density of the negative ion is locally measured.
Patent JP-2000082333-A (JP)
Title: Composite dielectric substance, solid organic phantom using it, and manufacture of solid organic phantom
Inventor: NAGAKUBO HIROSHI
IPC: C08K3/00
Filed: 1999-06-08
Abstract: PROBLEM TO BE SOLVED: To provide a composite dielectric substance which allows manufacturing a solid organic phantom with high mass-producibility, in a short time and at a low cost and whose electric characteristics are stable uniformly. SOLUTION: A composite dielectric substance consists of 40-90 vol.% termosetting resin and 10-60 vol.% electroconductive powder (100 vol.% in total). This contains 40-90 vol.% thermosetting resin, no more than 50 vol.% dielectric ceramic powder (not incl. 0 vol.%), and 10-60 vol.% conductive powder (100 vol.% in total). The resultant solid organic phantom 1 serves measuring the influence of electromagnetic waves generated from a wireless portable communication apparatus.
Patent JP-S5953117-A (JP)
Title: Automatic cutting method of band saw and device therefor
Inventor: HARA TOSHIO
IPC: B23D53/04
Filed: 1982-09-16
Abstract: PURPOSE:To prevent teeth of a saw from clogging by narrowing cut-off width, by making cutting-off so as to make sectional shape of a cut groove into circular arc. CONSTITUTION:A pair of leading wheels 1 and 2 and a band saw 3 are incorporated into an oscillating body 4. The whole of the oscillating body 4 is descended and cutting-off is performed while both sides oscillations and movements in a tilting state are being repeated in such a way that under a running state of the band saw 3, the oscillating body 4 is oscillated and moved in a tilting state by increasing an angle gradually from a horizontal posture of the initial stage to the left in order of (a) (b) (c), to begin with, then after returning the body 4 to the horizontal posture again by moving reversely in a tilting state, the body 4 is oscillated and moved in a tilting state by increasing the angle further gradually to the right in order of (a) (e) (f) and the body 4 is returned to the initial horizontal posture again by reversing the movement in a tilting state. A cutting edge 3a, therefore, comes to touch only a part of a work A to be cut off and there occurrs no clogging of teeth of the saw.
Patent JP-H11348228-A (JP)
Title: Printing device
Inventor: SERIZAWA SHOGO
IPC: B41F1/16
Filed: 1998-06-10
Abstract: PROBLEM TO BE SOLVED: To provide a printing device capable of realizing high accuracy as to the position of an image line to be printed. SOLUTION: A printing plate 1 is pressed against a work 9 by rolling a roller 6 and thereby printing is performed on the work 9. After ending the printing on the work 9, a movable table 30 is shifted to the left line limit and positioning marks 56a, 56b which are provided beforehand near the peripheral edge part of the work 9 are observed using cameras 51a, 51b. At the same time, specified spots 57a, 57b in a printed image line are observed using cameras 52a, 52b. An output from each of the cameras 51a, 51b, 52a, 52b is sent to an image processing device 61 to seek an error in a printing position quantitatively. Instructions are sent to an XYθ table drive device 63 from a control device 62 based on the error data and the position of the XYθ table 20 is corrected through three actuators 21, 22, 23 so that the error is eliminated.
Patent JP-H11348740-A (JP)
Title: Parking brake device
Inventor: IKEGAMI HIROSHI
IPC: B60T7/02
Filed: 1998-06-10
Abstract: PROBLEM TO BE SOLVED: To provide a parking brake device that can be operated easily by a driver with weakness in muscular strength and can obtain a proper braking force all the time regardless of a difference among individuals and among vehicles. SOLUTION: In a barking device where a brake wire 2 is pulled by rotating a wire winding wheel 1 and a parking brake is held or released by engaging a directional gear 12 formed on the wire winding wheel 1 with a ratchet mechanism, it is provided with a power boosting part 4 having an operation part 3 manually operated, interlocking with this operation part 3 and rotated by pushing the gear 12 of the wire winding wheel 1 boosted power by a lever, a first ratchet part provided at this power boosting part 4, a second ratchet part 6 engaged with the gear of the wire winding wheel 1, and a ratchet releasing part 7 interlockingly releasing lock of these first and second ratchet parts 5 and 6.
Patent JP-H0325971-A (JP)
Title: Memory cell for dynamic type memory
Inventor: HIRAYAMA KAZUTOSHI
IPC: H01L27/108
Filed: 1989-06-22
Abstract: PURPOSE:To reduce a plane area of a memory cell extremely and to realize a large storage capacity and a stable operation by a method wherein a capacity forming thin film is formed along the side wall of an information storage electrode of cylindrical or polygonal-prism shape which is arranged on a semiconductor substrate and an information storage electrode is formed while interposing the thin film. CONSTITUTION:A isolation region is formed on a P-type semiconductor substrate 100. After forming a oxide film for transistor, a polysilicon 101 which will become WL is formed on a field active region. N<+>-type impurities are doped to form an N<+>-type diffusion layer 105. An oxide film for layer-isolation is laminated to form a contact hole for BL, after which a BL 104 is formed. Next, a thick oxide film is further laminated and a contact hole 106 for forming a storage node is formed. A storage node 103 consisting of polysilicon, etc., is formed by CVD. Then, only the oxide film is removed. A thin dielectric film for forming a capacitor is formed and a cell plate 102 consisting of polysilicon, etc., is formed. Also, a protective film 108 is formed.
Patent JP-S6318729-A (JP)
Title: Emergent alarm reception equipment
Inventor: OKUBO TSUNEO
IPC: H04B1/16
Filed: 1986-07-10
Abstract: PURPOSE:To confirm the operation of a sound generator by a test broadcast for emergency alarm broadcast automatically by using a test signal to operate the sound generator. CONSTITUTION:When the test broadcast for emergency alarm broadcast is received and a test signal S is detected by a detection circuit 3, a B output of the detection circuit 3 operates a control timer circuit 4 of the sound generator 5 and a timer circuit 8 for test broadcast reception display device 9. Then the output of the timer circuit 4 operates the sound generator 5 and the output of the timer circuit 4 to inactivate the sound generator after a prescribed time (e.g., 2min) to bring said generator to the standby state. Further, the output of the timer circuit 8 activates the test broadcast reception display device 9 to inactivate the display device 9 after a prescribed time (e.g., 10 hours). thus, the operation of the sound generator is confirmed automatically by the test broadcast.