baber/WOPTO huggingface dataset:
Patent JP-H029546-A (JP)
Title: Electrostatic chuck
Inventor: KURIYAMA NOBORU
IPC: B23Q3/15
Filed: 1988-06-29
Abstract: PURPOSE:To perform reliable adsorption and release of a semiconductor wafer by a method wherein a space to hold a gap between a high resistor and the semiconductor wafer is provided, and gas is introduced in the gap to perform heat conduction therebetween. CONSTITUTION:When a wafer 12 is adsorbed to a conductor pattern 15, a 300-2,000V voltage is applied between the wafer 12 and a conductor pattern 15 in a state to introduce gas through a gas introduction port 19 extending through approximately the central part of an electrode 11, and the wafer 12 and the conductor pattern 15 are separated away from each other after applied voltage is reduced to zero. This electrostatic chuck is formed such that the conductor pattern 15 is located on an insulating body 14 on the surface of the electrode 11 positioned facing the wafer 12, a high resistor 16 is situated on the insulating body 14 and the conductor pattern 15, and an insulating spacer 18 to hold a gap 17 between the high resistor body 16 and the wafer 12 is provided between the insulating body 14 and the wafer 12. As noted above, by providing the gap 17 between the semiconductor pattern 15 and the wafer 12, charge can be prevented from remaining on the surface of an insulating substance between the electrode 11 and the wafer 12 after adsorption.
Patent JP-H09113111-A (JP)
Title: Refrigerator
Inventor: YOKOYAMA HITOSHI
IPC: F25D17/08
Filed: 1996-06-21
Abstract: PROBLEM TO BE SOLVED: To achieve a better housing property and ease of handling, higher refrigerating efficiency and higher efficiency of a housing space with a lower center of gravity especially for a vegetable chamber by arranging a cold storage chamber, a vegetable chamber and a refrigerating chamber in the optimum working areas in the order of higher frequency of use. SOLUTION: A cold storage chamber 100 is arranged at an upper part of a refrigerator, a refrigerating chamber at a lower part thereof and a vegetable chamber 200 between the cold storage chamber and the refrigerating chamber. A swing door 10 is set in front of the cold chamber, slide-out doors 30 and 40 in front of the refrigerating chamber together with a housing case and a slide-out door 20 together with housing cases 202 and 204 in front of the vegetable chamber. The height of the upper end part of the slide-out door 20 of the vegetable chamber is set in a range of 850mm-1,000mm from a floor surface. A compressor 502 is arranged below the rear of the refrigerator, a heat exchanger 504 behind the refrigerating chamber and a fan 506 above the heat exchanger.  A partition wall 70 having a heat insulating material is provided only between the refrigerating chamber and the vegetable chamber.
Patent JP-S6221497-A (JP)
Title: Brazing method for aluminum or aluminum alloy
Inventor: TAKAHASHI SUSUMU
IPC: B23K35/36
Filed: 1985-07-23
Abstract: PURPOSE:To improve corrosion resistance and brazability by mixing a specific ratio of ZnF2 powder with powder of a mixture or eutectic salt composed of a specific ratio each of BaCl2, NaCl and KCl, sticking such powder mixture onto the joint surface of an Al material and brazing said material. CONSTITUTION:BaCl2, NACl and NKCl are mixed or made eutectic at 47-55:18-20:27-33 respectively by weight and thereafter the mixture is pulverized to the powder. The ZnF2 powder is mixed therewith at 0.5-20% by the weight of the mixture or eutectic salt. The soln. prepd. by suspending such mixture in a solvent is stuck onto the surface of the joining member consisting of Al or Al alloy and is dried, then the surface is heated to >=540 deg.C to melt the brazing filler metal of the joining member, by which the member is joined. ZnF2 or Zn is deposited on the surface of the joining member consisting of the Al or Al alloy and thereafter the Zn is diffused toward the inside, thereby improving the brazability. Since the ZnF2 has no deliquescent characteristic, the corrosion resistance of the brazed part is improved.
Patent JP-H0914019-A (JP)
Title: Control device or multiple cylinder engine
Inventor: TANAKA KENICHIRO
IPC: F02D41/34
Filed: 1995-06-28
Abstract: PURPOSE: To quickly start an engine after turning on an ignition coil by feeding fuel to all cylinders at the time of starting engine cranking, and (setting closing timing for an intake valve) before outputting a concurrent ignition instruction near the end of a compression stroke of the prescribed cylinder. CONSTITUTION: A setting means 143 establishes a target setting valve close timing for close timing for an intake valve comes to before an ignition instruction to ignition devices 9 and so forth. Then, actual valve close timing is inputted as information from a position sensor 11 associated with operation control of an actuator 8. When the actual valve close timing is shorter than the preset valve close timing, concurrent operation of fuel injection valves 7 and so forth for all cylinders are made to begin, according to an instruction from a fuel feed means 141. In addition, concurrent ignition operation of the devices 9 and so forth is made to start near the end of a compression stroke of the prescribed cylinder, according to an instruction from an ignition timing control means 142.
Patent JP-H0777847-A (JP)
Title: Image forming device
Inventor: ANZAI MASAYASU
IPC: G03G15/20
Filed: 1993-06-30
Abstract: PURPOSE:To make parts comprising a power transmitting part, etc., efficiently function and to miniaturize an image forming device by linking a second gear for transmitting power and a third gear used in an image forming process and provided on a roll-like member with the second gear. CONSTITUTION:The drive of each roll member constitutes a driving system having a rotational direction, in such a manner that a gear 19 provided in the power transmitting part of a photosensitive drum 1, a gear 23 provided in the power transmitting part of a heating roll 15 and a gear 20 provided in the power transmitting part of an electrifying roll 2 are engaged with one driving gear 18. Then, in a developing roll 61, a gear 21 provided in the power transmitting part of the developing roll 61 is engaged with the gear 19 provided in the power transmitting part of the photosensitive drum 1. Further, the gear ratios of each gear are set so that the peripheral speeds of each roll member are in the range of 0.5-2 times that of the photosensitive body 1.
Patent JP-H0511256-A (JP)
Title: Formation of spacer for liquid crystal panel
Inventor: SHINOZAKI FUMIAKI
IPC: G02F1/1339
Filed: 1991-07-03
Abstract: PURPOSE:To form spacers having excellent reproducibility of line images with a simple stage without concentrating loads and without having the possibility of attacking oriented films, etc. CONSTITUTION:This method for forming the spacers for a liquid crystal panel which are interposed between two sheets of substrates constituting the liquid crystal panel and support the two substrates includes (1) a stage for laminating a photosensitive sheet constituted by providing an org. high-polymer layer which substantially shuts off oxygen at least at the time of exposing on a flexible base and a photopolymerizable resin layer which can be developed with an aq. developer thereon to at least one of substrates, (2) a stage for peeling the flexible base at need and exposing patterns to at least a part corresponding to the parts of the laminated photopolymerizable resin layer which do not exist on picture element electrodes or the parts which exist on the black stripes constituting color filters and (3) a stage for removing the unexposed parts by development.
Patent JP-S6056961-A (JP)
Title: Production of imidazole
Inventor: NAKAYAMA SHIGENOBU
IPC: C07D233/58
Filed: 1983-09-06
Abstract: PURPOSE:To obtain the titled compound useful as intermediates for resin hardeners for epoxy and polyurethane resins, etc. and intermediates for various medicines, agricultural chemicals, etc. in high yield, by reacting a glyoxal with an aldehyde using an ammonium carbonate as an ammonia source. CONSTITUTION:A glyoxal of formula I (R<1> and R<2> are H or methyl), e.g. methylglyoxal, and an aldehyde of formula II (R<3> is lower alkyl or phenyl), e.g. formaldehyde, are simultaneously added and reacted with an ammonium carbonate, e.g. ammonium carbonate or ammonium hydrogencarbonate, to afford the aimed imidazole of formula III, e.g. 4-methylimidazole. EFFECT:The formation of by-products can be suppressed even under reaction conditions of high concentration, and the process is economical. USE:Intermediates for dyes, etc.
Patent JP-S5590369-A (JP)
Title: Method of measuring property of ink in ink jet recording
Inventor: HORIIE MASANORI
IPC: B41J2/12
Filed: 1978-12-28
Abstract: PURPOSE:To automatically and easily measure the property of an ink ejected from a nozzle, by dropping the ink under prescribed pressure and measuring the number of ink drops in a prescribed time. CONSTITUTION:Ink particles ejected from a nozzle 5 and not charged with electricity by a charging electrode 7 are collected into the first gutter 101. A prescribed quantity of ink is reserved between the bottom of the gutter 101 and an outlet port 23 of large diameter. The ink is let to freely drop from a pipe 24 of small diameter at the bottom of the gutter to the second gutter 102. The ink drops are caused to pass through between slit plates 251, 252 behind which a light emitter 26 and a light receiver 27 are placed. As a result, one electric pulse is generated for one ink drop. The electric signal is applied to the input CK of a counter 30 through a wave shaping circuit 28 and an AND gate 29. The number of ink drops in a prescribed time is memorized in a latch circuit 32, the output of which is supplied to an indicator 33 and a digital-analogue converter 34 so that the output is compared with voltages VS1, VS2 corresponding to set ranges of ink drops in comparators 351, 352.
Patent JP-H11341699-A (JP)
Title: Solar battery optimum operating point follow-up circuit in power supply equipment using the same
Inventor: KOBAYASHI KIMISADA
IPC: H01L31/04
Filed: 1998-05-28
Abstract: PROBLEM TO BE SOLVED: To provide a solar battery optimum operating point follow-up circuit which can supply the maximum output power from a solar battery at all times, regardless of the operating temperature of the solar battery or the intensity of light. SOLUTION: This circuit is constituted of a temperature compensating voltage detection circuit, which supplies current to a PN junction diode D1 which is located near a solar battery SB and has nearly the same temperature characteristic as that of the solar battery, and then detects the forward drop voltage VB of the PN junction diode as a temperature compensating voltage; an amplifier #A which amplifies the voltage detected by the temperature compensating voltage detection circuit at a specified amplification rate, and then outputs the temperature compensating voltage V1R for the solar battery; a differential amplifier #D which is inputted with the temperature compensating voltage V1R which is the output of the amplifier #A and the output voltage Vs of the solar battery SB;  and a comparator ξf which compares a control signal VR which is the output of the differential amplifier and a control signal Vo for stably controlling the output of a switching power supply 1, and then outputs a signal for driving a switch S for controlling the switching power supply 1.
Patent JP-H0212430-A (JP)
Title: Control system for inference process
Inventor: UEDA HIROO
IPC: G06F9/44
Filed: 1988-06-30
Abstract: PURPOSE:To realize a quick and suitable inference process by adding a means which controls the application order of rules. CONSTITUTION:The rule indicated by an instruction is moved to the first position of a knowledge base. That is, when a rule (i) which is in the i-th position of a rule table 5 before execution of the rule is executed, this rule (i) is moved to the first pointer of the rule table 5 and positions of the rule (i) and another rule (j) are exchanged. This added instruction is processed in an inference processing part 3 at the time of executing the rule, and actual contents of the rule table 5 are changed by a rule table manager 7. Thus, the arrangement of pointers in the rule table 5 is changed by the rule table manager 7 to vary the application order of rules, and a quick and suitable inference process is realized.
Patent JP-S6142748-A (JP)
Title: Optical pickup
Inventor: KANAZAWA YASUNORI
IPC: G11B7/09
Filed: 1984-08-03
Abstract: PURPOSE:To adjust the relative position relation between two light spots by converting luminous flux which is reflected by the reflecting surface of a half- mirror and a reflecting mirror as to light from a light source and forming the 2nd light spot on an optical disk, and moving at least either of the half-mirror and reflecting mirror. CONSTITUTION:A light beam 6 from a semiconductor laser 5 is incident on a fixed half-mirror 12 at an angle theta of incidence and part of the light beam 6 travels straight through the half-mirror 12 and passes through an objective lens to form the 1st light spot 13 on the surface of the optical disk 1. The remaining light beam 6 is reflected by the half-mirror 12 and reflected again by a reflecting mirror 14 to form the 2nd light spot on the surface of the optical disk 1. The reflecting mirror 14 is moved by (d) as shown by an arrow A and then the movement extent of the 2nd light spot is calculated from D=d/costheta; for example, when the angle theta of incidence is 45 degrees, the movement extent D of the 2nd light spot 15 is increased to double as large as the movement extent (d) of the reflecting mirror 14. For the purpose, the shift extent of the reflecting mirror 14 is controlled corresponding to a data track position to set the 2nd light spot 15 at a desired data track position.
Patent JP-S6319079-A (JP)
Title: Printing quality estimating method
Inventor: TANAKA YASUHIKO
IPC: G01N21/89
Filed: 1986-07-11
Abstract: PURPOSE:To estimate objectively printing quality in matching with the real sense of visual observation by displaying the extent of the unevenness of the outline of a printing image with a standard deviation. CONSTITUTION:The image of an original 1 is read through a microscope 2 by a television camera 3 and converted to an electric signal. The electric signal is stored through an A/D converter 4 to an image memory 5. A computer 6 obtains the standard deviation of the position of respective picture elements to form the outline of an image on the basis of the regression straight line of the outline obtained by a statistical method to respective areas of the image stored into the image memory 5. The standard deviation is displayed at a CRT 8 as the estimating quality of the printing quality and printed out by a printer 9.
Patent JP-S645286-A (JP)
Title: White balance device
Inventor: YOSHIDA HIDEAKI
IPC: H04N9/73
Filed: 1987-06-29
Abstract: PURPOSE:To prevent the malfunction of the titled device by providing plural color signal integrating means and a gain control means and supplying the false signal of a prescribed value to the integrating means in a time interval in which one signal level, at least, out of the plural color signals deviates from a value in a prescribed range. CONSTITUTION:The input terminal of an input switching circuit 14 is connected to a line 2 of an integrating input adjusting circuit 15 and analog switches 8, 9 and 10 are switched when the level of a G signal is in a range and when it deviates from the range. When the level of the G signal deviates from the range of the dynamic range of an image pick-up element, these switches are connected to an input contact terminal(b). Then, in place of transmitted R, G and B signals, false signals PR, PG and PB set by false signal setting means 11, 12 and 13 are inputted to integrating circuits 16, 17 and 18 and integrated respectively over a prescribed time interval with the integrating circuit and suitable control is executed.
Patent JP-H0452324-A (JP)
Title: Retaining wall construction and its retaining wall
Inventor: MIZUKAMI HIDETAKA
IPC: E02D17/04
Filed: 1990-06-21
Abstract: PURPOSE:To shorten the construction period and reduce the construction cost with the execution of works simplified by joining buried forms with drain pipes and separators fitted to percolated water suction panels and natural ground protection materials respectively, and then placing concrete. CONSTITUTION:Locking bolts 1 are provided at given intervals on the natural ground A. Then percolated water suction panels 3 and the natural ground protection materials 4 are fitted on the slope of the natural ground A to be clampedly fixed with the locking bolts 1. Drain pipes 9 are insertedly fitted to T-shaped pipes 10 provided on the percolated water suction panels 3. Many separators 11 are protrudedly provided outwardly from the natural ground protection materials 4. Buried forms 13 are joined to the other ends of these protruded separators 11. Moreover concrete 22 is placed between the percolated water suction panels 3 and the buried forms 13.
Patent JP-H085532-A (JP)
Title: Stress corrosion fatigue tester
Inventor: NAKADA SHOICHIRO
IPC: G01N3/32
Filed: 1994-06-21
Abstract: PURPOSE:To make possible a rapid test by providing a mounting part for rotating a rod-like test piece, a driving part, a corrosion liquid dripping part, a drop detecting part and a control part for calculating effective corrosion cracking data. CONSTITUTION:An end of a test piece 9 is mounted to a collet fastener of a mounting part 8, while a test piece receive 11 of a load adding part 10 with a desired weight 13 mounted is attached to the other end of the test piece 9. A valve 18c of a corrosive liquid dripping part 18 is adjusted to a desired drip amount with respect to the test piece 9, so that corrosive liquid 19 is dripped from a drop nozzle 18a and at the same time a variable motor 2 is driven to rotate the test piece 9. From a product of the number of rotations of the test piece 9 and destruction time of the test piece 9, the number of bends until the test piece 9 reaches stress corrosion cracking is correctly calculated. The destruction time of the test piece 9 is detected as time until a proximity switch 16 activates as the load adding part 10 drops due to breakage of the test piece 9 and presses a pin 15 of a drop detecting part 24.
Patent JP-H0913744-A (JP)
Title: Post
Inventor: PAURU RINGEN
IPC: E04H12/00
Filed: 1996-06-24
Abstract: PROBLEM TO BE SOLVED: To cover a post having at least two molded rods where the molded rods are laid out at a triangle or square corner which forms the transverse section of the post and each of the two molds is coupled with a single or a plurality of coupled sheets which form one side of a triangle or a square and embody a post which is formable with different width and or thickness of the coupled sheets and can be individually designed statically. SOLUTION: Two grooves from 4 to 9 are provided respectively in the inside range of each of molded rods 1, 2 and 3. The bent edges 14 and 15 of coupled grooves are inserted into the grooves from 4 to 9 and fixed at their insertion locations.
Patent JP-S6141893-A (JP)
Title: Heat exchanger with fin
Inventor: TSUDA YOSHIYUKI
IPC: F28F1/32
Filed: 1984-08-02
Abstract: PURPOSE:To increase the heat transfer rate on the gas side, by providing a plurality of raisings to a fin which is slanted in the flowing direction of air flow in the upstream side of a heat transfer pipe, and the raisings slanted to the reverse direction, in the downstream side, respectively. CONSTITUTION:The raisings 14a-14c provided in the upstream side of an air flow among heat transfer pipes 12 are slanted in the direction 13 of an air flow, so that an air flow 19 is produced by the air collided against the raising 14a. The dead water areas 16 and 17 around fins are made small by the effect of an air flow 18. An air flow 20 which crosses over the raisings 14 is deviated and is turned to the direction to adhere to flat fins 10 again, interfered by an air flow 21 which rolls up the air flow 20 into the flow on the side of the after flow of a raising 14c, produces flows 22 and 24 having swirling component parts, respectively. The flows 22 and 24 collide against a raising 15b in the downstream area of an air flow among heat transfer pipes 12, deviating, interfered by an air flow 23, producing air flows 25 and 26, having stronger swirling component parts. A boundary layer of temperature is disturbed by those flows 25 and 26, so that the thickness of a layer is decreased and the heat transfer rate on the gas side can be increased.
Patent JP-S649899-A (JP)
Title: Method for joining silicon crystal substance
Inventor: IKEDA KYOICHI
IPC: C30B33/06
Filed: 1987-06-30
Abstract: PURPOSE:To join silicon crystal substances with a high strength, by doping one joining surface of the two silicon single crystal substances with an impurity to form an alloy layer, mating the formed alloy layer with the joining surface of the other silicon single crystal substance and heating the joining surface. CONSTITUTION:The joining surface of one silicon single crystal substance 1 is predeposited in an atmosphere containing O2 and an impurity, such as BBr3, and BSG is then removed with HF to form an alloy layer 11 doped with the impurity in a high concentration on the joining surface of the single crystal substance 1. The alloy layer 11 of the single crystal substance 1 is subsequently joined to the joining surface of the other silicon single crystal substance 2 and heated to diffuse the impurity from the surface to the surface of the single crystal substance 2 and simultaneously diffuse the silicon from the single crystal substance 2 to the single crystal substance 1. Thereby joining is carried out.
Patent JP-H05333464-A (JP)
Title: Silver halide photographic sensitive material
Inventor: NOMIYA MAKOTO
IPC: G03C1/035
Filed: 1992-06-01
Abstract: PURPOSE:To obtain a silver halide photographic sensitive material high in sensitivity and superior in the storage stability of a latent image. CONSTITUTION:The silver halide photographic sensitive material contains silver halide emulsion composed of silver halide grains each having 1 or 2 development-initiating points and amounting to >=75% of the total silver halide grains. It is preferred that each grain has 2 development-initiating points apart from each other as far as possible, when each has the 2 points, and they are present on the vertices and ridgelines and their vicinities, and when twin crystals are formed, it is preferable they are present on the ridgelines of the exposed faces or near them. The grains having the 1 or 2 points in an amount of >=75% and, preferably, >=85%.
Patent JP-H0917170-A (JP)
Title: Information processing device and its insertion port blocking device
Inventor: WADA KATSUTOSHI
IPC: G11B17/04
Filed: 1995-06-29
Abstract: PURPOSE: To provide an information processing device in which the entire optical system including an optical disk can be made a closed structure with a simple configuration. CONSTITUTION: The information processing device has a device body 11, a door 12 and a sliding body 17 which freely travel between a first position for blocking a cartridge insertion port 11b of the device body 11 and a second position for releasing it, a base 18 for supporting the above traveling body 17 so that it can freely slide, and a spring material 21a for bringing the above sliding body 17 into press contact with the above base 18 and at the same time energizing it to return to the above first position.  The door 12 and the sliding body 17 move to the second position against the energizing force of the above spring material 21a when inserting the above cartridge 15 and releases the above cartridge insertion port 11b, returns to the fist position by the energizing force of the above spring material 21a and blocks the above cartridge insertion port 11b after inserting the cartridge.