baber/WOPTO huggingface dataset:
Patent JP-H08323410-A (JP)
Title: Method for controlling sheet thickness in rolling mill
Inventor: SHIMODA NAOKI
IPC: B21B37/00
Filed: 1995-05-30
Abstract: PURPOSE: To enhance the accuracy of the calculation of the screw-down location and roll speed at each stand while giving a time margin for an operator to confirm and correct a draft schedule. CONSTITUTION: Based on planned values from a computer 1 for production control, the draft schedule and the screw-down location and roll speed at each stand 7 are calculated as a setting calculation in a 1st stage with a process computer 3 and they are displayed on a CRT 4. Thereafter, based on the actual value of the thickness of a material to be rolled detected with a thickness sensor 9, the calculation of the screw-down location and roll speed at each stand 7 is again executed as the setting calculation in the 2nd stage with the process computer 3 and calculated values are transmitted to a DDC controller 5. In this way, the operation of each stand 7 is controlled.
Patent JP-S61289626-A (JP)
Title: Manufacture of semiconductor device
Inventor: KANEKO HIROMITSU
IPC: H01L21/324
Filed: 1985-06-18
Abstract: PURPOSE:To prevent the stress due to the thermal expansions of the compound semiconductor substrate having a gate metal layer and the protective film from generating at the time of a heat treatment by a method wherein a substrate is pinched by using the compound semiconductor members and the protective film is made to tightly adhere with the substrate. CONSTITUTION:Silicon ion-implanted layers 5 are formed in parts of a gallium arsenide substrate 4 using a gate metal film 6 as a mask and gallium arsenide dummy substrates 7 are laid two sheets in number on the bottom of a quartz glass port 3. The gallium arsenide substrate 4 possessing the ion-implanted layers 5 therein is placed thereon, and moreover, another dummy substrates 7 are placed two sheets from the upper direction thereof and the gallium arsenide substrate 4 is pinched in from the upper and lower directions using both the dummy substrates and is brought into a sealed state. Moreover, the quartz port 3 is inserted in a quartz tube 2 in an electric furnace 1 and a heat treatment is performed in an atmosphere of nytrogen. By this way, the stress to generate between the gallium arsenide substrate and the protective film can be prevented.
Patent JP-H09316883-A (JP)
Title: Slope face forming frame, and banking construction method using the same forming frame
Inventor: AKAI TOMOYUKI
IPC: E02D29/02
Filed: 1996-05-27
Abstract: PROBLEM TO BE SOLVED: To provide a slope face forming frame for easily forming a face of a slope of a steep gradient on which vegetation is possible. SOLUTION: A slope face forming frame 10 comprises a front surface base plate 12 to be installed on the front surface side of a face of a slope, and a soil and sand charging spaces of an angular cylindrical form formed on the back surface side of the front surface base plate 12. The front surface base plate 12 is formed of a flat plate member, and the soil and sand chargins spaces are formed in plural to be vertically and laterally adjacent to each other on the back surface side of the front surface base plate 12. The space 14 is parted by plural vertical plate members 16, and plural lateral plate members 18 engaged with these at a proper interval to cross them. The front surface base plate 12 and the vertical plate members 16 are preliminarily assembled to be a unit, which is transported to a site in the condition where it is separated from the lateral plate members 18.  For the front surface base plate 12, and the vertical and lateral plate members 16, 18, bent parts of the vertical plate members 16 are applied to the back surface side of the front surface base plate 12, and the bent parts are locked to the front surface base plate 12 by rivets or the like. The vertical plate members 16 are then assembled by engaging slits in them with slits in the lateral plate members 18.
Patent JP-H036070-A (JP)
Title: Optoelectronic device
Inventor: HAINTSU UESUTAAMAIYAA
IPC: H01L31/18
Filed: 1990-05-21
Abstract: PURPOSE: To prevent optical crosstalk due to rays reflected from the back of a substrate, by forming a resolution region of a group III component and group V component, in a layer part existing on the back of a substrate composed of III-V semiconductor material. CONSTITUTION: The back 2 of a substrate 1 composed of III-V semiconductor material, i.e., the main surface of the substrate 1 which is not deposited has a layer part of the surface wherein group III component and group V component of III-V semiconductor material are resolved to the degree that specific reduction of reflection inducing crosstalk on the back is enabled. This resolution region can be induced by lacing one component out of both complementary components, in the layer part where the III-V semiconductor material exists on the surface of the substrate 1, or can be intensified. On the back 2 of the substrate 1 which has been treated in the above manner, an electrode 3 which does not increase reflectivity at all or increases it little is installed. Thereby optical crosstalk due to rays reflected from the back of the substrate can be prevented.
Patent JP-H05322366-A (JP)
Title: Heat absorber for thermoelectric converter
Inventor: ITAKURA MASATO
IPC: F25B21/02
Filed: 1992-05-25
Abstract: PURPOSE:To improve a heat absorbing efficiency by providing a thermoelectric converter having a heat absorbing surface and a heat dissipating surface, a refrigerant tank formed at least on an upper wall with a heat absorbing surface, and bringing refrigerant in the tank into direct contact with the entire heat absorbing surface. CONSTITUTION:When a current flows to a thermoelectric converter 11, a heat dissipating surface 16 is heated, while a heat absorbing surface 17 is cooled. As a result, refrigerant in contact with the surface 17 of the refrigerant in a refrigerant tank 20 is particularly cooled to increase its specific weight to move to a plurality of tubes 23 in a lower part of the tank 20. The refrigerant cools the air flowing through corrugated fins 25 arranged among the tubes 23. Then, the refrigerant absorbs heat to rise its temperature, and again moves upward in the tank 20 by natural convection. In this case, an entire heat absorbing unit 19 is cooled at the surface 17 to be contracted, but the pressure of the refrigerant is not abnormally raised or not lowered by an operation of an air vent tube 26.
Patent JP-S5921480-A (JP)
Title: Production of frame material for staircase
Inventor: EBIHARA KAZUO
IPC: E04F11/02
Filed: 1982-07-28
Abstract: PURPOSE:To obtain easily a straight frame body for a staircase having no welding strain, by curving recoverably channel materials to an arc shape by the actuation of a cylinder and welding angle materials to the rear of the webs. CONSTITUTION:Channel materials 1 are placed between detaining materials 7 and 7 projected in both end parts in a surface plate 6 in the longitudinal direction thereof, and both end parts of the materials 1 are brought into contact with the materials 7. A cylinder 9 fixed to pressing plates 8 at the forward ends is actuated. The rods 10 of the cylinder 9 are extended in a transverse direction and to the lateral sides of the surface plate to curve and bulge the central parts of the materials 1. Angle materials 3 are welded to the rear of the webs of the materials 1 in the curved state. The rods 10 are then contracted to release the curving of the channel materials. The work is thus simplified, and the straight frame material for a staircase having no welding deformation, strain and camber is obtd.
Patent JP-H0224608-A (JP)
Title: Optical fiber connector
Inventor: MAIKURU ARAN MEISU
IPC: G02B6/36
Filed: 1989-05-25
Abstract: PURPOSE: To eliminate the need for auxiliary tools and to enhance usability by forming connections of coaxial linear relations between many pairs of optical fibers. CONSTITUTION: A block 10 holds an array of optical fiber connectors 12. The block 10 has cavities 14 and mounts 16 having an elliptic section existing in these cavities 14. V-shaped grooves 18 of a longitudinal direction are exactly positioned at one ends of its major axis. The free ends of a pair of the optical fibers 20, 21 are respectively placed in the respective V-shaped grooves 18 in the coaxial linear relations pressed to each other. Deformable housings 22 exist around the respective mounts 16. These housings are formed to a cylindrical shape and hold the optical fibers 20, 21 in the grooves 18 in the longitudinal direction when the housings are not substantially deformed. The respective connectors 12 have a pair of slender slivers 24, 25 and the respective slides are slidable within the slender grooves 28 formed in the block 10.
Patent JP-H06324082-A (JP)
Title: Digital storage oscilloscope
Inventor: JITSUNO KUNIHISA
IPC: G01R13/20
Filed: 1993-05-10
Abstract: PURPOSE:To make it possible to display the intended part of an input signal without decreasing measuring accuracy by storing the input signal in response to the setting of a rectangular window frame, and displaying the signal on a display device. CONSTITUTION:An operator sets an input waveform part to be measured in detail furthermore as a rectangular window frame W with an input device such as a mouse. At this time, the upper left corner and the lower right corner or the lower left corner and the upper right corner of the frame W are specified. A control means sets the starting part of the input signal IN to be stored in a memory in correspondence with the left side of the frame W and sets the interval between the data of the input signal IN to be stored in the memory in response to the interval between the left side and the right side of the frame W. Furthermore, the control means sets the vertical gain in response to the interval between the upper side and the lower side of the frame W. The input signal IN is newly stored into the memory in response to the new setting with the control means and displayed on the memory. Thus, the input waveform in the frame W is displayed on an the entire screen S in high resolution.
Patent JP-S5656679-A (JP)
Title: Semiconductor memory element
Inventor: MORITO HIROSHI
IPC: H01L29/788
Filed: 1979-10-15
Abstract: PURPOSE:To raise the performance of the memory element by composing a memory part of the layers of SiO2, Si3N4, multicrystal Si and SiO2 and a gate electrode provided on an Si substrate in the memory element having a memory part and an auxiliary memory part in respect to the memory of SNOS and MNOS types. CONSTITUTION:On the surface region of the Si sibstrate 11, a source region 12 and a drain region 12' are formed diffusively and on the whole surface inclusive of these regions are laminated fitly the SiO2 layer 13 and the Si3N4 layer 14. On the occasion, the thickness of the layers 13 and 14 is thinned at the central part TR5 between the regions 12 and 12' and the part is employed as the memory part, while the parts TR4 and TR6 of the layers 13 and 14 surrounding the thinned part are thickened so as to be employed as the auxiliary memory part. Next, in the central concavity of the memory part, the multicrystal Si layer 17 is provided, the surface of the memory part and the auxiliary memory part is covered with the thick SiO2 layer 18, while the central region thereof alone is thinned and there the Al gate electrode 15 is attached. After that, an opening is made in the layer 13 and a source electrode 16 and a drain electrode 16' contacting respectively with the regions 12 and 12' are formed therein.
Patent JP-H1084322-A (JP)
Title: Optical network unit and center for optical communication network
Inventor: PFEIFFER THOMAS
IPC: H04B10/556
Filed: 1997-05-22
Abstract: PROBLEM TO BE SOLVED: To reduce the number of optical transmitters used by the optical network unit of the optical communication network that receives a composite signal consisting of a periodic reference pulse and a data packet sent for a period between the reference pulses. SOLUTION: This optical network unit ONU is provided with a processing unit UNI1 that evaluates a received data packet to generate a data stream, an electrooptic unit S1 that modulates the received reference pulse with the generated data stream, and a CDMA encoder C1 that employs and a synchronizing CDMA technology to encode the modulated reference pulse and to send the coded reference pulse. The center OLT of the optical communication network NET to send a composite signal is provided with devices μP, MOD, LAS to generate the composite signal, and a plurality of CDMA decoders D1-n to decode the received and coded signal.
Patent JP-H01305889-A (JP)
Title: Molecular beam cell
Inventor: OKADA HIROSHI
IPC: C30B23/08
Filed: 1988-06-01
Abstract: PURPOSE:To avert the crack of a crucible and to uniformize the strength thereof by placing a receiving tray contg. a raw material for evaporation on a rod at the center of the bottom of the crucible and heating the raw material melt by a heater disposed around the crucible. CONSTITUTION:The molecular beam cell of a device for growing an epitaxial layer by a molecular beam is obtd. by mounting the rod 2 having about 5mm diameter and about 20mm height to the center of the bottom of the crucible 3, placing the receiving tray 7 of the raw material 1 for evaporation and disposing the heater 4 for heating the raw material melt around the crucible 3. After the raw material for evaporation such as Al is charged at about 2g into the receiving tray 7 of this cell, a thermocouple 5 is heated to about 1000 deg.C to melt the raw material 1 so that the melt thereof flows over the wall of the tray 7 and flows down on the surface of the rod 2. The flowed down raw material melt is heated by the heater 4 so that the melt is completely evaporated before the melt arrives at the crucible 3.
Patent JP-H09296733-A (JP)
Title: Exhaust system for vehicle engine
Inventor: MIZUNO KATSUMI
IPC: F02B37/02
Filed: 1996-04-30
Abstract: PROBLEM TO BE SOLVED: To provide an exhaust system capable of satisfying a desired engine performance, reducing an overhang level in an exhaust gas turbocharger, reducing an associated engine in its size, and having advantages in mounting an exhaust gas turbocharger on a vehicle. SOLUTION: Branch pipes 36 to 42 of an exhaust manifold 34 which are attached on a cylinder head 10 of a multiple cylinder engine 6 are provided at their one ends with a head-mounting flange 54, and are formed halfway in parallel to the flange face of the head-mounting flange 54. The branch exhaust passages, one ends of which are respectively to be connected to exhaust ports 16 to 22 of cylinders #1 to #4 of the engine the exhaust timings of which do not overlap, are at the other ends made confluent with each other to be connected to united exhaust passages at that end side. The branch pipes 36 to 42 are joined to unite the united exhaust passages at the other end side, and are then respectively joined to the first to fourth exhaust ports 24 to 30 in the cylinder head 10 at their middle portions with respect to the parallel direction of the exhaust ports.  A connection-mounting flange 64 is provided for uniting the united exhaust passages.
Patent JP-2000316487-A (JP)
Title: Semi-moist pet food
Inventor: ISHIYAMA HISASHI
IPC: A23K1/175
Filed: 1999-05-13
Abstract: PROBLEM TO BE SOLVED: To obtain a pet food freely changeable in shape or form through appropriately tearing or rounding itself and afforded with flexibility so as to enable a medicament or nutrient preparation to be included therein. SOLUTION: This semi-moist pet food 1 is obtained by the following procedure: all of at least meat stock, stock for puff-processing, binder and thickening agent are admixed together with water at 10-20 wt.% based on the above materials at room temperature under agitation followed by heating to 90 deg. and then continuing the agitation for about 30 min; the resultant material is molded and then left to stand to room temperature. A medicament 3 is put on the center of the pet food 1 thus molded (a), the pet food 1 is then extended in such a manner as to handle clay while pressing the medicament 3 into the pet food 1 (b), the medicament 3 is gradually embedded in the pet food 1 (c), and finally, the medicament 3 is entirely included into the pet food 1 (d).
Patent JP-H0224647-A (JP)
Title: Manufacture of photographic support material and photographic material
Inventor: HAINTSU OTSUTOO MERUTSU
IPC: G03C1/775
Filed: 1989-05-29
Abstract: PURPOSE: To reduce the mottle in a photographic layer by applying a deposited layer on a paper substrate coated with a plastic, drying the layer and applying a high-frequency corona discharge treatment. CONSTITUTION: A paper substrate coated with a plastic by melt extrusion is oxidized as pretreatment, a deposited layer consisting mainly of gelatin is applied, the deposited layer is dried, and a high-frequency corona discharge is generated on the deposited layer surface. The interval between an electrode and a grounded roller is controlled to 2-3mm, and the high-frequency corona treatment is carried out at a working high voltage of 10-25kV and with the frequency of 10-35kHz. The plastic coating film of the base paper consists mainly of PE, and a baryta paper, etc., are used as the coating paper. The mottle value is controlled to <3 in the photographic material having a photographic layer contg. >=1 kind of silver salt on the deposited layer of the paper substrate coated with a plastic.
Patent JP-S5257769-A (JP)
Title: Analog switch
Inventor: YAMAKIDO KAZUO
IPC: H03K17/687
Filed: 1975-11-07
Abstract: PURPOSE:The diode and FET are connected as subscribed between source and gate of FET which gives signal current to load. Thus, a high-speed switching action becomes possible.
Patent JP-S5833876-A (JP)
Title: Semiconductor device
Inventor: NAKAGAWA KAORU
IPC: H01L29/861
Filed: 1981-08-25
Abstract: PURPOSE:To reduce the overlay capacity of a bump electrode by forming an impurity region of the second conductive type formed to be disposed outside the end of a Schottky coupling at the inside end. CONSTITUTION:A P type region 33 is formed in an N type epitaxial layer 32 over the outside of the end of a bump electrode 36 from the outside of the end (a) of a Schottky junction 38. Accordingly, in this case, the capacity CPN of a P-N junction 39 between the region 33 and the layer 32 and an overlay capacity C0 becomes in series connection state, and the overlay capacity of a pellet 3 becomes smaller than the conventional overlay capacity. The manufacturing method includes the steps of growing an epitaxial layer 32 on a substrate 31, and frming a P type region 33 of, for example, ring shape over the outside of the end of a region to be formed with a bump electrode 36 from the outside from the end of the region to be formed with the junction 38 in the layer 32. Then, an nsulting film 34 is formed on the surface, a Schottky junction hole is formed at the film 34 by a photoengraving process, Schottky metal is bonded to the hole, and is etched in the prescribed shape.
Patent JP-S62289100-A (JP)
Title: Dynamic type speaker
Inventor: KAJIYA MASAHIRO
IPC: H04R9/06
Filed: 1986-06-09
Abstract: PURPOSE:To provide large collision dimensions between the middle of a diaphragm and a yoke and to expand the maximum level of reproduced sound pressure in a low frequency by maintaining a thin shape by tilting at least the upper part of the peripheral leading part of the yoke comprising a magnetic circuit to the side of a magnetic gap. CONSTITUTION:The magnetic circuit 14 is configured by incorporating the laminated body of a magnet 16 and a poll piece 17 in the yoke 15. It is cylindrical, and the upper part of its peripheral leading part considerably tilts. The magnetic gap 18 is formed with the end part of a tilting part 15a and the poll piece 17. The upper part of a voice coil 24 to insert the coil part 24a into the magnetic gap 17 is jointed to the center of the diaphragm 22 arranged so that it can be conical and its upper part can protrude. The middle of the diaphragm 22 and the tilting part 15a of the yoke 15 are almost parallel, whereby the collision dimensions D between the diaphragm 22 and the yoke 15 can be made larger. The maximum level of the reproduced sound pressure in a low frequency can be considerably expanded.
Patent JP-H10327016-A (JP)
Title: Radio wave reflection mirror
Inventor: ANDO YUKIO
IPC: H01Q19/12
Filed: 1997-05-23
Abstract: PROBLEM TO BE SOLVED: To make the radio wave reflection mirror lightweight. SOLUTION: A 3-dimensional hollow structure 11 is made of a 3dimensional textile of glass fibers that is impregnated with an unsaturated polyester resin. Vertical timber-like fibers (core layer) 11b, the glass fibers have skin layers 11a with a high density at both sides in a way that both layers are supported by the resin-pregnated glass-fibers acting like very small timbers. A carbon cloth 12 is adhered onto the skin layer 11a of the 3-dimensional hollow structure 11, and the surface of the cloth 12 is a reflecting face 1a for a radio wave. Since the density of the core layer is low, the reflecting mirror is made light in weight.
Patent JP-H11330617-A (JP)
Title: Optical semiconductor element mounting structure
Inventor: KAWAI MOTOYOSHI
IPC: H01S5/023
Filed: 1998-05-15
Abstract: PROBLEM TO BE SOLVED: To provide the mounting structure of an optical semiconductor element in which the stress and strain in the optical semiconductor element can be reduced greatly when soldering and environmental temperature is changed. SOLUTION: The Au electrodes 2, provided on the lower surface of an optical semiconductor element 1, are connected to the Au electrodes 5 on an Si substrate 3 through AuSn solder 6. The Au electrodes 5 are provided on the upper surface of the two tapered protruding parts 7 corresponding to the Au electrodes 2 of the optical semiconductor element 1. The two tapered protruding parts 7 are formed by providing three parallel V-grooves 4 on the Si substrate 3.
Patent JP-H06348521-A (JP)
Title: Decentralized type controller
Inventor: SANO HIDEO
IPC: G06F11/22
Filed: 1993-06-03
Abstract: PURPOSE:To enable one of controllers of dual constitution to find the factor of the stopping of control when the other controller becomes abnormal and the control is stopped. CONSTITUTION:The controllers FC1 and FC2 of the dual constitution are so constituted that memory areas ME and CPU register areas wherein self- diagnostic results of its own controller and factor information are stored are arranged in the physical memory spaces of the mutually opposite controllers, and also equipped with self-diagnosis means 1 which diagnose of its own software and store their diagnostic results and factor information in their memory areas ME, CPU abnormality detecting means 2 which diagnose their processors and store the diagnostic results and factor information in its own CPU registers, and abnormality processing means 3 which read out abnormality detection results and factor information stored in the memory areas ME and CPU register areas RE for the opposite-side controllers arranged in their memory spaces and send them to the side of a monitor device OPS through a communication line.
Patent JP-H10327544-A (JP)
Title: Power transmission circuit
Inventor: MIZUNO YOSHIYUKI
IPC: G06K7/00
Filed: 1997-05-23
Abstract: PROBLEM TO BE SOLVED: To provide a power transmission circuit which can transmit power by utilizing efficiently buffer ICs, so as to reduce the peak current of their power supply, and by using a small number of buffer ICs. SOLUTION: The output terminal of an oscillation circuit 4 is connected with a terminal 10b of a resonance circuit 10, via buffers 6e-6h of a buffer IC 6 and buffers 7e-7h of a buffer IC 7. The output terminal of an inverter gate 5a for outputting the reverse-phase signal of the oscillation signal fed from the oscillation circuit 4 is connected with a terminal 10a of the resonance circuit 10, via buffers 6a-6d of the buffer IC 6 and buffers 7a-7d of the buffer IC 7. Then, a power is transmitted by magnetic signals to the control circuit of an IC card coupled magnetically to the resonance circuit 10 via the transmission and reception circuit of the IC card.