baber/WOPTO huggingface dataset:
Patent JP-2000028595-A (JP)
Title: Manufacture of piezoelectric structure and combined piezoelectric vibrator
Inventor: WAKABAYASHI KATSUHIRO
IPC: H01L41/332
Filed: 1998-07-10
Abstract: PROBLEM TO BE SOLVED: To manufacture a piezoelectric structure which is finely processed by selectively etching a piezoelectric body block, using a plasma for etching. SOLUTION: A nickel film 13 patterned is formed on a Cr/Au electrode 9 by removing a resist layer 11 with a solvent. The nickel film 13 has a pattern, in which a window is opened corresponding to a portion to be etched and removed of the piezoelectric body block 8 and forms a mask to etch the piezoelectric body block 8. According to the pattern of the mask, the piezoelectric body block 8 is subjected to an etching. A piezoelectric structure is manufactured, for example, by forming a pillar piezoelectric body from the piezoelectric body block 8 or forming an aperture or a groove on the piezoelectric body block 8 through the etching. The etching is carried out by a dry etching using a plasma for a reactive gas. Namely, radicals of the reactive gas is produced, and the etching is carried out by the radicals.
Patent JP-H0489622-A (JP)
Title: Production of perpendicular magnetic recording medium
Inventor: SHINODA MASAYOSHI
IPC: G11B5/845
Filed: 1990-07-26
Abstract: PURPOSE:To decrease the spacing losses, etc., as the magnetic recording medium and to improve performance by using a surface smoothing treatment to smooth the surface of an undried coating layer by bringing a smoother into contact with the surface of this layer in combination with a perpendicular orientation treatment. CONSTITUTION:A PET film 11 formed with the undried coating layer 12 is pinched between a PET film 20, which is brought into contact with the coating layer thereof, and a guide roller 19 and the surface smoothing treatment of the undried coating layer is executed in a surface smoothing treatment device 18. The undried coating layer slides on the PET film 20 at this time, by which the surface of the coating layer is leveled off. A part of the rubbed away coating material is housed into a coating material housing container 23a. The permanent magnet 21 is an N pole when the surface is leveled off and, therefore, the orientation of the magnetic particles particularly on the surface of the undried coating layer oriented by the 1st perpendicular orienting treatment device is maintained and the unoriented particles are subjected again to the perpendicular orientatation field and is oriented. The magnetic characteristics in the perpendicular direction are improved in this way.
Patent JP-H0919868-A (JP)
Title: Electrodeposition wheel and its manufacture
Inventor: FUKAGAWA HARUYUKI
IPC: B24D3/00
Filed: 1995-07-07
Abstract: PROBLEM TO BE SOLVED: To prevent dullness of abrasive grains at the time of grinding process by attaching super-abrasive grains to the grinding surface dispersedly in the form of islands, attaching grains congestedly in each island, and arranging so that the total area of the islands is a certain fraction of the whole area of the grinding surface. SOLUTION: Super-abrasive grains 2 are attached to the grinding surface 1 of an electrodeposition wheel dispersedly in the form of islands 3, wherein 2-10 grains are congestedly attached to each island 3. Exceeding ten pieces brings about likelihood of dullnes in grinding. Such arrangement should be introduced that the total area of the islands is 0.02-0.5 times as large as the whole area of the grinding surface 1, preferably 0.04-0.3 times as large. Exceeding 0.5 times brings about likelihood of dullness in grinding.
Patent JP-S6089040-A (JP)
Title: Matrix electron source
Inventor: WATANABE MASANORI
IPC: H01J31/12
Filed: 1983-10-21
Abstract: PURPOSE:To form a matrix electron source which can emit electrons uniformly by arranging the electron beam control electrode in vicinity of the plural rod- shaped heat cathode and further by providing the device with a grid electrode and an electrode beam takeoff electrode. CONSTITUTION:A plurality of electron beam control electrodes 2 and a plurality of rod-shaped heat cathode 3 which make a right angle to the electron beam control electrodes 2, are arranged in vicinity of each other. Furthermore, a grid electrode 6 having electron beam passing holes 7 which are coaxial with the holes 5 of an electron beam takeoff electrode 4 is arranged between the electron beam control electrode 2 and the electron beam takeoff electrode 4 having the electron beam passing hole 5. Thus formed is a matrix electron source of a plate type display unit. Since the voltage approximately equal to that applied to the cathode 3 is applied to the grid electrode 6 from the power source V4, an electron beam is only emitted from the surface of the cathode 3 which corresponds to the central part of the electron beam passing holes 5, 7. Consequently, a uniform electron beam with good convergence can be obtained without loading the cathode 3 unnecessarily.
Patent JP-S6440341-A (JP)
Title: Cap device of liquid jet recording head
Inventor: KOBAYASHI TORU
IPC: B41J2/185
Filed: 1987-08-07
Abstract: PURPOSE:To enable easy replacement of an adsorption body and increase moisture retaining effect by separating the adsorption body in a cap member into the first adsorption body which is caused to get into contact with a recording head and the second adsorption body which conducts recording liquid absorbed into the first adsorption body, and assembling the adsorption bodies having changed hygroscopicities. CONSTITUTION:Recording liquid in a recording head 1 is circulated by a recording liquid pump 5 and the recording liquid with increased viscosity is discharged with bubbles from an orifice 2. Surplus recording liquid sticking to the neighborhood of the orifice is blown off to the side of the first absorption body 20 by ejection of air from an air jet nozzle 10, and is discharged into a discharged liquid container through the first adsorption body 20 and further the second adsorption body 21. The first adsorption body which easily deteriorates is freely detachable and partly replaceable in simple manner. Further, surplus recording liquid can efficiently be discharged from near the orifice by using the first adsorption body which can discharge liquid efficiently and the second adsorption body having high hygroscopic property.
Patent JP-H0856407-A (JP)
Title: Drum for coring machine
Inventor: TOKORO MASAHIKO
IPC: A63B102/32
Filed: 1994-08-22
Abstract: PURPOSE: To provide a drum for the coring machine in which a plurality of tines are projected from the outer periphery of the coring drum helically and the coring drum is driven to stick the tines in the crop fields to bore holes, thus the application pressure is reduced, the machine vibration is inhibited and the operation efficiency can be improved. CONSTITUTION: On the outer periphery of the coring drum 15, a plurality of tines are projected, not in a row, helically in plural radial directions. In one coring drum 15, the tines are arranged in such a manner that plural tines 20 may not stand on one tangent in the rectangular direction to the rotation direction. Thus, when the coring drum 15 is driven, the tine 20R on the right side among the tines 20 at first sticks in the lawn G, then the tine 20M on the middle, and the tine 20L on the left side stick in the lawn in turn.
Patent JP-H08249703-A (JP)
Title: Optical modulator
Inventor: RIYUU CHIYOUKUN
IPC: G11B7/128
Filed: 1995-08-01
Abstract: PROBLEM TO BE SOLVED: To obtain a quick response optical modulating device for high-density recording of an optical pickup for recording and reproduction. SOLUTION: This device includes a light source (1), an optical modulator (4), and two lenses (2 and 3) between them, and the distance between those lenses (2 and 3) is shorter than the sum of their focal lengths. The device which is optimized under those conditions can adjust the size of a light spot in the center of the optical modulator (4) by shifting only the positions of the lenses without varying the overall length from the light source (1) to the optical modulator (4). Therefore, the response time in optical modulation for high-density recording is shortened according to desired specifications to enable optimization for obtaining high light efficiency.
Patent JP-H0732922-A (JP)
Title: Seat tilting device for vehicle
Inventor: HOSHIHARA NAOAKI
IPC: B60N2/10
Filed: 1993-07-15
Abstract: PURPOSE:To tilt a seat smoothly by absorbing the position slippages of the operating locuses of the circular movement of a seat cushion panel and the movements of operating links in vertical planes. CONSTITUTION:Both ends of a pair of parallel operating links 5 and 5 at the left side and the right side driven in vertical planes are combined to a seat cushion panel 10 through bell cranks 7, 7, 11, and 11, intermediate links 8, 8, 12, and 12, horizontal links 9, 9, 13, and 13, and bearings, and the position slippages of the operating locuses of the seat cushion panel 10, and the bell cranks 7, 7, 11, and 11, are absorbed by the bearings.
Patent JP-S6256568-A (JP)
Title: Thin film forming device
Inventor: ASAKAWA MASUO
IPC: C23C14/22
Filed: 1985-09-04
Abstract: PURPOSE:To prevent the deterioration in the quality of a thin film by collecting fine particles which are not deposited on a substrate when a thin film is formed on the substrate and which are converted into dust and suspended in a vacuum vessel by an electrostatic dust collector. CONSTITUTION:A sputtering gas 10 is converted into plasma 11 in a vacuum vessel 1 by an ordinary method, a target 4 is sputtered and a neutral atom and a molecule 12 are emitted and deposited on a substrate 9 to form a thin film. An electrostatic dust collector 14 for collecting fine particles 13 which are not deposited at that time and suspended is provided in the vicinity of an outlet 3. The electrostatic dust collector 14 is provided with plural electrodes each having different polarity. When a switch 16 is turned on and the collector 14 is operated by an electric power source device 15, a prescribed electric field is produced between the electrodes of the collector 14 each having prescribed polarity. Consequently, the fine particles 13 are charged to form charged particles 13a which are attracted by the collector 14 to form collected particles 13b and a thin film having a uniform quality is formed on the substrate 9.
Patent JP-S6439756-A (JP)
Title: Semiconductor device and manufacture thereof
Inventor: YOSHIDA YUKIMASA
IPC: H01L27/10
Filed: 1987-08-06
Abstract: PURPOSE:To easily clean a recessed portion, diffuse impurities to the sidewall of the recessed portion and form an insulating film on the bottom of the recessed portion, by forming a projected portion without forming a trench in a surface of a semiconductor substrate to form a recessed portion at the portion sandwiched by the projected portion. CONSTITUTION:A pair of projected portions 12 and 12 is left so as to be opposed to each other by etching a surface S of a substrate 11. A recessed portion 13 is naturally formed between the projected portions 12 and 12. Then, a p<-> layer 14 is formed. Then, an SiO2 film 15 is deposited on the whole surface of the semiconductor substrate and a photoresist 16 positioned at the recessed portion 13 is left, and then wet etching is performed. The SiO2 film 15 is left only on the recessed portion 13 to serve an element isolating region. Then, when an SiO2 film 17 comprising AS of high concentration is deposited on the whole surface of the semiconductor substrate 11 and annealed, a p<-> layer 14 is changed to a diffusion layer 18 by diffusion of AS and becomes an electric charge storing region.
Patent JP-S6439556-A (JP)
Title: Liquid dispenser for analysis
Inventor: OOYABU MATASHIGE
IPC: G01N35/10
Filed: 1987-08-06
Abstract: PURPOSE:To detect the contact of a liquid dispensing nozzle with an obstruction and to prevent the failure of the liquid dispensing nozzle by providing strain gage to a part of the wall of the liquid dispensing nozzle. CONSTITUTION:The light dispensing nozzle 1 such as specimen dispensing nozzle or reagent dispensing nozzle consists of a stainless steel tube having about 2-3mm outside diameter and is connected to a pump by a pipe 2. The nozzle 1 and a liquid level detecting electrode bar 4 are coated by an electrical insulation covering body 6 so as to be electrically insulated from each other and are mounted to a dispensing nozzle driving arm 7. The micro-strain gage 8 formed by adhering copper-nickel alloy resistance foil having several micron thickness to a resin base is adhered by an adhesive agent to the surface of this covering body 6. The strain gage 8 is connected to a bridge circuit for measurement by conductors 10, 10'. The signal from the bridge circuit for measurement is sent to a central processor when the nozzle 1 comes into contact with the obstruction such as container wall. The driving of the stepping motor of a driving device is then stopped, by which the failure of the nozzle 1 is prevented.
Patent JP-2000032746-A (JP)
Title: Rush current inhibition method of smr converter
Inventor: KURASHIMA KAZUYOSHI
IPC: H02M3/28
Filed: 1998-07-13
Abstract: PROBLEM TO BE SOLVED: To prevent an overcurrent protection circuit from being operated again due to a rush current to a snubber capacitor when overcurrent protection operation is canceled, by turning on a specific switching element and forming the charging path of the snubber capacitor after the overcurrent protection circuit is operated and all high-frequency switching elements are turned off. SOLUTION: An overcurrent protection circuit 25 compares an input current being detected by DCCTs 26-28 with a protection level, and outputs a protection operation command 29 for turning off all high-frequency switching elements IGBT1-12 when an overcurrent is detected. On the other hand, a comparison circuit 34 compares the AC input phase voltage of each phase with 0 V and generates a section signal 30. In this case, a logic circuit 31 outputs a drive pulse 32 for turning on only the IGBT in a phase with the largest phase voltage, breaks the load current of an SMR converter, and at the same time secures a charge circuit to a specific snubber capacitor out of snubber capacitors 19-21, and prevents a rush current from occurring when a protection operation is canceled.
Patent JP-S5898882-A (JP)
Title: Storage device
Inventor: SENGOKU SHINJI
IPC: G11B20/18
Filed: 1981-12-08
Abstract: PURPOSE:To deflect a position reading head little by little, and to check all of a face facing said head, by comparing the position signal of a storage medium such as a magnetic disc, with a signal obtained by integrating the noise due to defects of the medium of the position signal with a long time constant which smoothes satisfactorily said noise. CONSTITUTION:The reproduced output of a servo head 4 of a magnetic disc of a computer is sampled through an amplifier 8 and peak holding circuits 9 and 10, and position outputs +P and -P are obtained by integrators 11 and 12, an adder 13, and an inverter 14. The output +P is inputted to an integrator 19, and a noise is smoothed sufficiently with a time constant sufficiently longer than the time of the noise N, and the output is inputted to comparators 22 and 23, and OR between outputs of them is operated in an OR gate 24, and a noise signal N' indicating the presence of defects is generated. Thus, defects on a face facing the position reading head are inspected completely.
Patent JP-H0840279-A (JP)
Title: Trunk guard connecting mechanism for baby carriage
Inventor: YONEDA YOSHIFUMI
IPC: B62B9/24
Filed: 1994-07-29
Abstract: PURPOSE:To provide a trunk guard connecting mechanism for a baby carriage which has a trunk guard simply attachable and detachable. CONSTITUTION:In a trunk guard connecting mechanism which can removably attach a trunk guard to left and right hand rails 11 provided to a baby car carriage in front of a seat, coupling units 13 are attached to opposite ends of a trunk guard, each composed of a unit body 30 formed at its front end with an engaging recess 31a adapted to engaged therein with a shank part 15b of a flanged pin 15 attached to the front end of the hand rail, and a locking member 40 which can be moved between a locking position where it is projected into the engaging recess 31a so as to lock the shank part 15b of the flanged pin 15, and a retracted position where it is retracted from the recess 31a.
Patent JP-S6088093-A (JP)
Title: Fuel pellet containing petroleum coke blended therewith
Inventor: NAGAYAMA YOSHIYUKI
IPC: C10L5/04
Filed: 1983-10-20
Abstract: PURPOSE:To provide a fuel pellet which has an increased calorific value, makes it possible to put fine coal particles conventionally discarded to practical use and effectively utilizes combustible components in sludge discharged from paper factories by mixing finely divided combustible materials with petroleum coke and pelletizing the mixture. CONSTITUTION:Finely divided combustible materials (e.g. low calorific coal powder and dried sludge discharged from paper factories) are mixed with petroleum coke having a calorific value of 8,500 calories. The mixture with or without a binder is molded into a pellet having a calorific value of 5,000-7,000 calories, thus obtaining the titled fuel pellet contg. petroleum coke blended therewith. Petroleum coke has disadvantages in that its catch fire point is greatly higher than that of coal, its sulfur content is at least 3 times that of coal and it is in the form of a fine particle. On the other hand, petroleum coke has advantages in that its calorific value is as high as 8,500 calories or above and its ash content is as low as 0.2-0.4%. By mixing petroleum coke with the combustible materials and pelletizing the mixture, the combustible materials conventionally discarded can be effectively utilized as the raw materials for fuel.
Patent JP-S6356314-A (JP)
Title: Side guide for horizontal hot rolling mill
Inventor: NITO TAKASHI
IPC: B21B39/14
Filed: 1986-08-25
Abstract: PURPOSE:To prevent the camber and meandering of a plate stock by providing over the inner part of a housing a restraining side guide before and behind a horizontal rolling mill. CONSTITUTION:Restraining side guides 10, 11 are provided before and behind a horizontal mill roll 1. These side guides 10, 11 are provided over the inner part of the housing 3 of the horizontal roll 1. The distance D from the center of the horizontal mill roll reaching to the inner face of the housing 3 is spreaded by the part of the installing width of the side guides 10, 11. Since, therefore, the zone between the housing of the horizontal mill roll 1 of the hot rolling mill and roll bit is occupied by the side guides 10, 11, the side face of the material to be rolled is restrained by the side guides 10, 11 and the generation of camber and meandering can be prevented.
Patent JP-S6175519-A (JP)
Title: Photo mask
Inventor: MAGOTA KAZUHARU
IPC: H01L21/027
Filed: 1984-09-20
Abstract: PURPOSE:To visually judge connection or separation of a pair of mark patterns with certainty and with a short period by drawing two mark patterns in connec tion or separation over the stripes on the photo mask itself. CONSTITUTION:A photo mask 1 is used for obtaining a picture drawn in unit of chip 2 arranged rows and columns. The main patterns are drawn and arranged in the main pattern region 21 at the center in unit of each chip 2. Simultaneously, 3 groups, each group is composed of the mark pattern pairs M, M, are arranged over the stripes 3, 3 at the one side 22 of the periphery. Thereby, connection or separation of a series of mark patterns can be visually confirmed with certainty and within a short period of time and moreover the seaming error between stripes can be judged easily.
Patent JP-H0840534-A (JP)
Title: Residual powder/grain cleaning device in flow conveyor
Inventor: KANEKO TSUNEO
IPC: B65G21/00
Filed: 1994-07-29
Abstract: PURPOSE:To attain efficient conveying work by blowing off powder/grain, accumulated on a flight chain, accurately with compressed air vigorously jetted toward the flight chain from a blow-sweeping device to blow-sweep the residual powder/grain in a conveying process, and collecting tire blown-off powder/grain into a discharge hopper. CONSTITUTION:Powder/grain put in an oblong machine case 1 from a feed hopper 8 is conveyed toward a discharge hopper 9 by the unidirectional rotary movement of a flight chain 7. A blow-sweeping device 12 for blow-sweeping residual powder/grain, accumulated on the flight chain 7, by jetted compressed air is disposed inside the oblong machine case 1.
Patent JP-H0943665-A (JP)
Title: Camera
Inventor: TERUNUMA HIROSHI
IPC: G03B17/00
Filed: 1995-08-02
Abstract: PROBLEM TO BE SOLVED: To restrain failure caused in a camera by an impact without making cost high. SOLUTION: This camera is provided with an impact sensor 4 detecting the impact acting on a camera main body, and a control circuit 40 controlling to perform protective operation (for instance, error display by an LCD display part 32) in the case the magnitude of the impact detected by the sensor 4 is equal to or above a specified value.
Patent JP-H0246343-A (JP)
Title: Epicyclic friction transmission
Inventor: KUBO HARUAKI
IPC: B23Q5/04
Filed: 1988-08-08
Abstract: PURPOSE:To prevent effectively the slip in the axial direction at the time of rolling and contact without enlarging an entire device by having the periphery of an epicyclic roller crown formed and constructing an outer wheel deformable along the crown. CONSTITUTION:The rotational input provided at a holder main body 20 is transmitted to a solar roller 10 at the speed increasing ratio corresponding to the diameter of each roller on the basis of the rolling against the outer wheel 14 of an epicyclic roller 12 so that a tool is rotated at high speed. Then the peripheral surface of the epicyclic roller 12 is crown formed, and the contact part of the outer wheel 14 is deformed along this crown. As a result, the outer wheel 14 presents the behavior similar to the belt being wound on the crown formed pulley, that is, the outer wheel 14 is shifted toward the center part with the large diameter of the epicyclic roller 12 even in attempting to slip in the axial direction out of the epicyclic roller 12 so that the slip can be effectively prevented.
Patent JP-S5899138-A (JP)
Title: Glass for fluorescent lamp
Inventor: KAWAGUCHI TOSHIYASU
IPC: C03C3/093
Filed: 1981-12-10
Abstract: PURPOSE:To obtain glass for a fluorescent lamp with high bendability by incorporating specified percentages of SiO2, Al2O3, Li2O, Ka2O, Cao, MgO, etc. without adding PbO. CONSTITUTION:Glass for a fluorescent lamp contg., by weight, 60-75% SiO2, 1-4% Al2O3, 0-2% Li2O, 13-20% Na2O+K2O, 4-13% CaO+MgO, 0.5-3% BaO, 0.1-2% ZnO, 0-6% B2O3 and 0-1% Sb2O3 and/or As2O3 is prepared. This glass composition has about 640-710 deg.C softening point and high bendability, and it is suitable for use as glass for a circular fluorescent lamp.
Patent JP-H0615151-A (JP)
Title: Washing method of membrane for membrane condenser
Inventor: ISHIGAKI EIICHI
IPC: B01D25/12
Filed: 1992-06-30
Abstract: PURPOSE:To provide the washing method for efficiently washing the membrane surface of a condenser using the membranes. CONSTITUTION:This condenser is alternately paralleled with filter plates 3 and filter frames 4 and is constituted to obtain the condensed original liquid from the filter frames 4 by passing the original liquid into the filter frames 4 and separating the liquid-component in the original liquid. The flow of the original liquid to be passed in the filter frames 4 is switched backward. The extraneous materials settled in the dead spaces for the flow of the original liquid are flushed away and removed by passing the original liquid from the backward direction. In addition, the extraneous materials sticking to the membrane surfaces are also peeled off and removed by passing the original liquid from the backward direction.