baber/WOPTO huggingface dataset:
Patent JP-S63199218-A (JP)
Title: Epoxy resin composition sealing semiconductor
Inventor: YOKOTA MASAHISA
IPC: C08G59/24
Filed: 1987-02-13
Abstract: PURPOSE:To obtain thee titled composition having excellent water-vapor resistance, improved moldability and appearance of molded article, by blending a specific epoxy resin with a curing agent, an inorganic filler and a rubber-like resin. CONSTITUTION:(A) An epoxy resin shown by the formula (n is 0-2) is uniformly blended with (B) a curing agent for an epoxy resin (e.g. phenolic novolak resin, etc.), (C) an inorganic filler (e.g. silica powder, antimony oxide, etc.) and (D) a rubber-like resin (e.g. natural rubber, synthetic rubber, etc.) to give the aimed composition. The blending ratio of the components is preferably 1-100pts.wt. curing agent B and 5-30pts.wt. rubber component D based on 100pts.wt. resin A And 60-85wt.% filler C based on sum of the composition. The composition may be optionally mixed with a curing promoter, a flame-retardant, an internal mold release agent, a coupling agent, pigment, etc.
Patent JP-S58147999-A (JP)
Inventor: TANABE YOSHIO
IPC: H05H1/22
Filed: 1982-02-26
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-S58147234-A (JP)
Title: Mosfet switch circuit
Inventor: MASUDA EIJI
IPC: H03K17/14
Filed: 1982-02-26
Abstract: PURPOSE:To absorb variance in the process for manufacturing the on-resistance of MOSFETs, by providing a means for generating a bias voltage corresponding to the threshold voltage of the MOSFET in an MOS switch. CONSTITUTION:The input and output terminals of a C-MOS inverter 13 are connected through an N-channel MOSFET14 as the MOS switch and to the back gate electrode of the MOSFET14, a bias voltage from the bias generating circuit 24 consisting of a P-channel MOSFET21 and the N-channel MOSFET22 is supplied. This bias voltage is equal to the circuit threshold voltage of the C-MOS inverter.
Patent JP-S55123170-A (JP)
Title: Manufacture of charge-coupled device
Inventor: SUZUKI NOBUO
IPC: H01L21/8234
Filed: 1979-03-16
Abstract: PURPOSE:To obtain good transfer characteristic by a method wherein the end of each transfer electrode and the end of each island semiconductor layer which is to become a potential barrier are self-matched and thereby a well of an ideal potential is formed below each transfer electrode. CONSTITUTION:On a semiconductor substrate 11 of one conduction type are laminated layers of an opposite conduction type semiconductor layer 14, an SiO2 layer 12, an Si3N4 layer 13, and subsequently, a polycrystalline Si layer 15, which is to become transfer electrodes on one side and which contains a high concentration impurity, and an SiO2 layer 16. Next, by etching, the layer 16 is retained as masks 16a-16b. Between these are formed masks 19a, 18a-19c and 18c consisting of an SiO2 layer and a photoresist layer. Subsequently, by ion injection using these as masks, island semiconductor layers of one conduction type, 20a-20f, are formed in the layer 14. Then, masks are renewed, and by etching the Si layer 15, the 1st transfer electrodes 15a-15c are formed, each end of which expanding over to layers 20a-20f. Next, these electrodes are covered with SiO2 layers 23a-23c. Between these are formed the 2nd transfer electrodes 24a-24d, both ends of each overlying the 1st electrodes.
Patent JP-S54122975-A (JP)
Title: Gas phase growth method for semiconductor epitaxial layer
Inventor: KOMENO JIYUNJI
IPC: H01L21/205
Filed: 1978-03-16
Abstract: PURPOSE: To form uniform epitaxial film, by extending the placing plane of the substrate holder by the length of substrate, to the upper stream of gas flow, in epitxial layer formation by transversal type furnace.  
     CONSTITUTION: The substrate is not installed at the tip of the reaction gas upper stream of the substrate holder. the part more than the length of substrate along the gas flow is exposed. Thus, the boundary layer of laminar flow on the substrate is about a constant thickness. Accordingly, the distribution of the thickness of the epitaxial film obtained is very uniformed as about ±1%. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-S62190036-A (JP)
Inventor: YUKI TADAHIRO
IPC: A01K61/02
Filed: 1986-02-13
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-H06301219-A (JP)
Title: Thin-film formation method of pigment compound and photoconductive image formation member
Inventor: BIN AARU SHIYUEE
IPC: G03G5/00
Filed: 1994-02-28
Abstract: PURPOSE: To obtain a photoconductive image forming member having improved xerographic characteristics by adopting a stable and easy method for uniformly dispersing a pigment. CONSTITUTION: A light excitation layer 3 contg. a molecularly dispersed pigment and a very small amt. of residual Lewis acid, an electric charge transferring layer 5 and a protective layer are successively laminated on a substrate 1. The light excitation layer 3 is formed using a solvent system contg. a solubilized pigment-Lewis acid complex obtd. by mixing a photoconductive pigment such as titanium phthalocyanine and Lewis acid such as aluminum chloride with an aprotic solvent such as nitromethane.
Patent JP-H08216845-A (JP)
Title: Parking device for vehicle
Inventor: KIMURA KIYOSHI
IPC: B60T1/06
Filed: 1995-02-20
Abstract: PURPOSE: To prevent reverse transmission of springing force of a lost motion spring to energize a parking pole toward a parking gear to a motor on a parking device with the motor as a driving source. CONSTITUTION: Driving force of a motor 15 is transmitted to a parking pole 3 through a pinion 22, a first gear 21, a second gear 25, a third gear 26, a link 29, a control lever 6, a control shaft 7 and a parking lever 9. A lost motion spring 10 to energize the parking pole 3 toward a parking gear 1 is provided between the control shaft 7 and the parking lever 9. A unidirectional clutch is provided between the third gear 26 and a housing, allows transmission of the driving force of the motor 15 to the parking pole 3 and prevents reverse transmission of springing force of the lost motion spring 10 to the motor 15.
Patent JP-S62187955-A (JP)
Title: Controller for bus using right
Inventor: KIMURA MASAO
IPC: G06F13/362
Filed: 1986-02-14
Abstract: PURPOSE:To apply compositely balanced bus using rights to respective processors by changing the priority of bus using rights to respective processors at every application of a bus using right to one processor. CONSTITUTION:If a bus busy signal BUSBSY is logic '0' when bus use request signals BUSREQ1-4 are simultaneously outputted, one of said bus using requests BUSREQ1-4 is outputted from a bus arbiter 21 as a corresponding bus the permitting signal BUSGNT1, 2, 3, or 4 in accordance with the values of output signals CNTRA, CNTRB from a binary counter 24 in a priority change instructing circuit 22. Said bus use permitting signal is inputted to the counter 24 through an OR circuit 23 to change the contents of the counter 24. A processor receiving the bus use permitting signal turns its corresponding bus use request signal to logic '0' and turns the bus busy signal BUSBSY to logic '1' to start bus use.
Patent JP-H01206072-A (JP)
Title: Led printer
Inventor: KOSHIO TAKASHI
IPC: B41J2/44
Filed: 1988-02-12
Abstract: PURPOSE:To control each electric current flowing to an LED for performing a gradation control, by providing an electric current control circuit individually controlling an electric current to the LED. CONSTITUTION:A printer consists of a printing control part 3 controlling the ON/OFF of an LED 1, a drive circuit 2 turning ON/OFF of an electric current to the LED 1 under the control by the printing control part 3, an electric current control circuit 4 controlling the amount of an electric current to the LED 1, and a drive power source 5. The electric current control circuit 4 is so constructed as to change the amount of a drive current to the LED 1 by being controlled by the printing control part 3. In this manner, the light emitting energy of the LED 1 can be variably controlled. Therefore, a light exposure to a photosensitive drum can be made variable, whereby a printing gradation can be controlled.
Patent JP-H04269562-A (JP)
Title: Thermal head type printer
Inventor: ITANI MORIKAZU
IPC: B41J2/36
Filed: 1991-02-26
Abstract: PURPOSE:To provide a thermal head type printer which drives each heating element of a thermal head only for a strobe pulse period based on a white and black image data to be expressed by a plurality of dots in one line. CONSTITUTION:A gate circuit 2 which selects a strobe pulse to be used according to an image data to be given an adjacent heating element is provided. When a white and black image data to be inputted to the adjacent heating element is a white image, the heating element is driven only for a period of a first strobe pulse. When the white and black image data to be inputted to the adjacent heating element is a black image, the heating element is driven only for a period of a second strobe pulse of which a strobe pulse is shorter than that of the first strobe pulse. When an adjacent image is the black image and one's own image is black according to the white and black image data for the adjacent heating element, recording is performed lightly and a visual image in one line is improved.
Patent JP-S63202637-A (JP)
Inventor: ROOREN DEIIN ARUBIN
IPC: C08K5/372
Filed: 1988-02-12
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-S55122269-A (JP)
Title: Player unit
Inventor: GOTOU MAKOTO
IPC: G11B19/28
Filed: 1979-03-15
Abstract: PURPOSE:To improve a speed detection precision to make rotation control of a player simple and accurate, by detecting optically a speed change part provided in the turntable to perform servo control of the turntable driving motor. CONSTITUTION:Uneven speed change parts 4... are provided on the side face of turntable 3 and are detected by opposite detectors 7 and 5 and opposite detectors 8 and 6 such as luminous elements and photoelectric conversion elements, and a pulse is generated from waveform shaping circuits 11 and 12 at every period corresponding to the rotation speed of table 3. The driving motor of table 3 is so subjected to servo control that the sample hold voltage in sample hold circuit 14 dependent upon output pulses of circuit 12 of the saw tooth waveform generated through circuit 11 and saw tooth wave generation circuit 13 may be a prescribed fixed value, and table 3 is rotated in a fixed speed. In this case, Rotation speed detection becomes high-precision because of the use of the large-diameter turntable side part, and the fixed-speed rotation control of the player is performed simple and accurately.
Patent JP-H02211381-A (JP)
Title: Ignition timing controller for internal combustion engine
Inventor: KOIKE YUZURU
IPC: F02P5/153
Filed: 1989-02-09
Abstract: PURPOSE:To obtain the optimum driving characteristic without incurring the reduction of the engine output due to the unnecessary delayed angle by constituting a correction control range selecting means so that the switching of the correction control range is not carried out when the detected engine temperature is below a prescribed value. CONSTITUTION:An ignition timing controller is constituted of a correction control range selecting device 4 which receives the output of an octane number judging means 3 and selects the correction control range corresponding to the knock of the ignition timing according to the cotane number, ignition timing control means 5 which receives the outputs of an operation state detecting means 1 and a knock detecting means 2 and determines the ignition timing according to the operation state and an igniting means 6 which receives the output of the means 5 and ignites the mixed gas in an engine combustion chamber. An engine water temperature detecting means 7 for detecting the cooling water temperature of the engine is installed, and when the engine water temperature detected by the engine water temperature detecting means 7 is below a prescribed value, switching of the correction control range by the correction control range selecting means 4 is suppressed.
Patent JP-S63198375-A (JP)
Title: Mes-type fet device
Inventor: ONODERA KAZUMASA
IPC: H01L29/08
Filed: 1987-02-13
Abstract: PURPOSE:To enhance the controllability of the breakdown strength by a method wherein impurities which function as the same conductivity type as that of an active layer are ion-implanted into a surface layer in an intermediate region between the edge of a gate metal and the edge of a drain region so that an intermediate-concentration region can be formed. CONSTITUTION:Impurities which function as the same conductivity type as that of an active layer 5 are ion-implanted into a surface layer in an intermediate region between the edge of a gate metal 1 and the edge of a drain region 4; an intermediate- concentration region 2, whose concentration is lower than those of a source region 3 and a drain region 4 but is higher than that of the active layer 5, is formed. This intermediate-concentration active region 2 is a region composed of a self-aligned structure 21, with respect to the gate electrode 1, and an offset structure 22. The selection of these intermediate-concentration region edges 21, 22 is decided by a target value of the breakdown strength between the source and the drain. By this setup, the breakdown strength between the source and the drain depends on only the distance between the gate edge and the drain edge, and is not influenced by a surface protective film and a charged state; the breakdown strength can be controlled surely; it is possible to obtain a device which is stable against the variation in the charged state of the surface protective film.
Patent JP-S62190644-A (JP)
Title: Ion processing device
Inventor: SASAMURA YOSHITAKA
IPC: H01L21/3065
Filed: 1986-02-15
Abstract: PURPOSE:To suppress sputtering from a shutter so as to also restrict any pollution on a substrate etc. by installing a means for applying a positive potential to the shutter. CONSTITUTION:A DC power supply 42 is inserted between a shutter 24 and the above-mentioned measuring unit 36, as a means for applying a positive potential to the shutter 24. When the shutter 24 is closed, an ion beam 22 having the energy necessary for processing a substrate 30 fly toward the shutter 24 inside a processing chamber 34. Then, if some positive potential, for instance, a high voltage is applied to the shutter 24, an electric field is generated from the shutter 24 toward an ion extracting electrode system 12, and energy included in the ion beam 22 is reduced due to the function of the electric field. Accordingly, the sputter rate from the shutter 24 is remarkably attenuated so that any pollution on the substrate 30 etc. can be remarkably restricted.
Patent JP-S58147613-A (JP)
Title: Mass measuring gyroscopic device
Inventor: YAMASHITA SHIGEYUKI
IPC: G01G23/01
Filed: 1982-02-26
Abstract: PURPOSE:To measure the mass accurately, by providing a means, which offsets the moment due to a centrifugal force acting on a linking mechanism in association with the linking mechanism, thereby eliminating the effect of the centrifugal force acting on various parts which are subjected to precession. CONSTITUTION:A weight 30 for adjusting is attached to a rod 13. The mass of the weight 30, distance to an axial line 8'- 8'' from the weight 30, and the distance to the rod from the weight 30 are adjusted respectively, so that the moment caused by the centrifugal force acting on a supporting point 9 is offset. In  this method, the apparent force acting on a rod 11 is eliminated, and the angular speed of the precession is exactly proportional to the gravity acting on a body to be measured.
Patent JP-H03236067-A (JP)
Title: Transfer material conveyance device
Inventor: YAMAZAKI MICHIHITO
IPC: B65H5/36
Filed: 1990-02-14
Abstract: PURPOSE:To obtain an excellent conveyance guide by specifying the relation between the positions of specific points of the press-contacting part between a fixing roller and a pressure roller and a transfer material guide member, and the diameter of the pressure roller. CONSTITUTION:The point of the tip part of the transfer material guide member 6 which faces the press-contacting part is denoted as (p), the center point of the press-contacting part as O, the tangent of the fixing roller 7 which passes the point O as l, a perpendicular to the tangent l as (n), and the diameter of the pressure roller 8 as (r). At this time, the point (p) is provided on the side of the roller 8 across the tangent and the farthest point on the transfer conveyance surface of the member 6 in the direction of the perpendicular (n) from point O is denoted as (q). When the position relation between a nip part (o) and points (p) and (q) as shown by an inequality I, an excellent guide 6 is obtained even for the perpendicular conveyance of paper. In the inequality I, d1 is the distance between the points (q) and O in the direction of the perpen dicular (n) and d2 is the distance of the point (q) in the direction of the tangent l.
Patent JP-S63200312-A (JP)
Title: Magnetic head
Inventor: OTA HIROYUKI
IPC: G11B5/187
Filed: 1987-02-16
Abstract: PURPOSE:To inexpensively manufacture a magnetic head in which chipping is prevented from occurring and with superior abrasion resistance and high accuracy, by forming both side planes of a gap as planes in which the width of the sliding surface of a tape are set as track width, and forming nonmagnetic hardened thin films on the planes. CONSTITUTION:The sliding surface of the tape of a block 13 in which ferrite are joined is ground, and a groove 12 is ground leave the same width as the track width, and a hardened nonmagnetic thin film 4 is vapor-deposited on the upper surface. Next, only a cylindrical plane is ground, and the thin film 14 is left in the groove 12, and after slicing a groove part, a magnetic core 7 can be obtained. The size between parts 8 is the track width at the time of forming the groove 12, and both planes are covered with a hardened film 9. Therefore, it is possible to prevent the chipping from occurring and to manufacture the head with superior abrasion resistance and high accuracy inexpensively.
Patent JP-H04256520-A (JP)
Title: Electric discharge machining
Inventor: WAKABAYASHI KIMIHIRO
IPC: B23H1/00
Filed: 1991-01-31
Abstract: PURPOSE:To reduce wear of an electric discharge electrode to machine a work finely and accurately by setting the polarity of an electroconductive discharge electrode 1 to positive and the work to be machined comprising an electric resistant material to negative. CONSTITUTION:An insulating liquid 3 is provided between an electroconductive discharge machining electrode 1 and a work to be machined 2, and a voltage is applied between them to make electric discharge machining on the work to be machined 2. In this case, the discharge machining electrode 1 is set to positive and the electric resistant work to be machined 2 is set to negative. Thus the electric resistant work to be machined 2 can be machined finely and accurately.
Patent JP-H03234985-A (JP)
Title: Electromagnetic valve
Inventor: TAKASUGI HIDEO
IPC: F16K31/06
Filed: 1990-02-13
Abstract: PURPOSE:To carry out self-maintaining of converting condition and a rapid converting operation by providing permanent magnets and a control circuit to convert the current direction of a solenoid coil at both end sides of a movable iron core in the displacement direction, in an electromagnetic valve of a single solenoid structure. CONSTITUTION:A positive voltage is applied to a terminal A1, and a negative voltage is applied to a terminal A2 to let flow a current in the direction of the arrow to a single solenoid 4. As a result, a movable iron core 5 is excited to make the valve main body 2 side as the S pole, and the other end side as the N pole. Since the movable iron core 5 side of the first and the second permanent magnets 6 and 7 are magnetized as the N poles, the movable iron core 5 is displaced to the valve main body 2 side by the double magnetic force of the absorption force at the first permanent magnet 6 side and the reaction force of the second permanent magnet 7, and adsorbed to the first permanent magnet 6. And, even through the voltage to the terminals A1 and A2 is cut off, the movable iron core 5 is held in the condition adsorbed to the first permanent magnet 6. Then, when the positive voltage is applied to a terminal B1 and the negative voltage is applied to a terminal B2, the movable iron core 5 is excited to make the valve main body 2 side as the N pole, and the other end side as the S pole, and adsorbed to the second permanent magnet 7.
Patent JP-S57147612-A (JP)
Title: Zoom lens
Inventor: SASAYA TOSHIHIRO
IPC: G02B15/167
Filed: 1981-03-07
Abstract: PURPOSE:To prevent the ghost between an image pickup face and a lens, by constituting a zoom lens with a variable magnification system and a relay lens system and prescribing interrelations among focal lengths, magnifications, and radiuses of curvature of single lenses and combined lenses constituting the relay lens system. CONSTITUTION:Magnifications to which single lenses and combined lenses constituting a relay lens system contribute are denoted as beta1, beta2..., betam'..., betak-1, and betak in order from the object side, and the focal length of the m-th single lens or combined lens, the radius of curvature of the refractive face nearest to the object of the m-th single lens or combined lens, the refractive index of this refractive face in the image side, the radius of curvature of the refractive face nearest to the image, and the refractive index of this refractive face in the object side are denoted as fm, rmi, nmi, rm2, and nm2 respectively, and a lens which satisfies two conditions of expressions simultaneously is obtained. For example,  in case of a zoom lens of focal length 12.5-100mm., F number 1.8, and 8 magnifications, a half prism P which guides the light for a finder and a stop are provided between second positive lens components L42 and third positive lens components L43 of the fourth group G4.
Patent JP-S59157577-A (JP)
Title: Measuring device for electric displacement hysteresis characteristics of dielectric
Inventor: KAKEGAWA KAZUYUKI
IPC: G01R27/26
Filed: 1983-02-28
Abstract: PURPOSE:To display a high-precision electric displacement hysteresis loop by removing the influence of the resistance component and ferroelectric component of a dielectric to be measured by a compensation circuit. CONSTITUTION:The connection point between the dielectric 30 to be measured and the compensation circuit is connected to the uninverted input terminal of an amplifier 25, and the voltage division point of a variable resistance voltage dividing circuit, i.e. the connection point between variable resistances 26 and 27 is connected to the inverted input terminal of the amplifier 25. Further, a display device 8 which displays the detection output signal of a detecting circuit and an AC power source signal on orthogonal display axes alternately is provided. When a voltage higher than a coercive electric field is applied to the dielectric 30 to be measured, the electric displacement and hysteresis loop of only the ferroelectric component 11 of the dielectric 30 to be measured appear on the display screen of an oscilloscope 18. Thus, the high-precision electric displacement hysteresis loop is displayed.