baber/WOPTO huggingface dataset:
Patent JP-H02278821-A (JP)
Title: Patterning of polycrystalline silicon
Inventor: FURUKAWA TERUYUKI
IPC: H01L21/3065
Filed: 1989-04-20
Abstract: PURPOSE:To make a dimensional accuracy of a pattern good and to form a uniform taper at a peripheral edge by a method wherein an etching operation is executed by using a reaction gas whose O2-gas concentration is specified and another etching operation is then executed by using a reaction gas whose O2-gas concentration is much higher. CONSTITUTION:A polycrystalline silicon layer 3 is grown on a silicon substrate 1 to which an oxide film 2 has been applied. In addition, a resist layer 4 whose shape corresponds to a polycrystalline silicon pattern to be formed on it is formed. As a first-stage etching operation, a plasma etching operation is executed by using a gas mixed with CF4 gas whose O2-gas concentration is 10% or lower. At this stage, a size of the resist layer 4 is changed little. As a second- stage etching operation, another plasma etching operation is executed by using a gas mixed with CF4 gas whose O2-gas concentration is much higher. A taper face 31 is formed at a peripheral edge of the polycrystalline silicon pattern 3. Thereby, a dimensional accuracy of a polycrystalline silicon pattern is enhanced; a uniform taper can be formed at the peripheral edge of the polycrystalline silicon pattern.
Patent JP-S63263791-A (JP)
Title: Semiconductor laser
Inventor: KUBOTA MASAYUKI
IPC: H01S5/00
Filed: 1987-04-22
Abstract: PURPOSE:To optically monitor a plurality of laser lights irradiated from the rear end face of a semiconductor laser element and to monitor them by optically coupling photodetectors through optical elements to the light emitting points of the laser element having a plurality of light emitting elements. CONSTITUTION:In a semiconductor device having a semiconductor laser element 1 of an array structure including a plurality of light emitting elements 2, 3 electrically independent from each other and photodetectors 7a, 7b for monitoring the laser outputs of the light emitting elements 2, 3 in one chip, the photodetectors 7a, 7b are provided in number coincident to that of the elements 2, 3, and the elements 2, 3 are so optically and coupled to the photodetectors 7a, 7b by optical elements optically independently from each other. The optical elements are optically coupled to the rear end faces of the elements 2, 3, and composed of spherical lenses 17, 18 or rod lens or the like. Thus, the levels of the laser optical outputs of the elements 2, 3 can be monitored independently from each other.
Patent JP-S62256596-A (JP)
Title: High definition television signal system
Inventor: KASEZAWA TADASHI
IPC: H04N11/14
Filed: 1986-04-28
Abstract: PURPOSE:To improve the resolution by thinning every other frame of 525 signals of 60 fields/60 frames/sec to convert them to 525 successive scan signals of 30 frames/30 fields/sec and subjecting them to signal processing. CONSTITUTION:In the image pickup transmission side, 525 successive scan signals of 30 fields/30 frames/sec have a high band component YH of a luminance signal Y subjected to two-dimensional amplitude modulation and have the frequency shifted into 4.2MHz transmission band and are multiplexed and are converted to 525 interlace NTSC-TV signals of 60 fields/30 frames/sec and are transmitted. In the reception side, they are converted to 525 successive scan video signals of 30 fields/30 frames/sec, and signals YL, C', and YH' are separated in a three-dimensional frequency area in case of a still picture and are separated in a two-dimensional frequency area in case of animation to demodulate them to signals Y, I, and Q, and they are converted to RBG signal and are converted to 525 successive scan video signals of 60 fields/60 frames/ sec and are projected. Thus, vertical and horizontal resolutions are considerably improved.
Patent JP-S59225857-A (JP)
Title: Continuous casting method of different kinds of steel
Inventor: OOHIRA TOSHIAKI
IPC: B22D11/115
Filed: 1983-06-06
Abstract: PURPOSE:To decrease considerably the amt. of waste materials to be produced in a method for adding metallic powder by means of a carrier gas through a hollow stopper to the molten steel flowing down into a casting mold with an electromagnetic stirrer by specifying the prepn. of the molten steel, the amt. of the molten steel to be charged into the casting mold and the amt. of the metallic powder to be supplied. CONSTITUTION:A molten steel (a) having common components among different kinds of steels is prepd. and is charged into a tundish 1. A prescribed ordered lot amt. of the steel (a) is charged into a casting mold 5 and the steel kind (a) is obtd. in the stage of charging said steel through an immersion nozzle into the casting mold. Metallic (alloy) powder is blown together with a carrier gas at a prescribed amt. for a prescribed time through the hollow hole of a stopper 3 in order to obtain a steel kind (b), by which a billet of a prescribed ordered lot amt. of the steel kind (b) is obtd. If other different steel kind (c) is obtainable by increasing the amt. of the metal to be added to the steel kind (b), the corresponding amt. of the metallic powder to be added is increased and that amt. is added thereto for as much as the time when the other ordered lot amt. is obtd. A billet of the steel kind (c) is thus obtd. The molten steel added with the metallic powder is stirred with an electromagnetic stirrer 6 in the mold 5.
Patent JP-H03296855-A (JP)
Title: 'kana'/'kanji' converter
Inventor: ITO MATSUTAKA
IPC: G06F17/22
Filed: 1990-04-16
Abstract: PURPOSE:To improve the conversion efficiency of sentence formation by deleting the division of a clause inserted into a misconverted conversion candidate, reproducing a 'KANA' (Japanese syllabary) character string obtained before inserting the division and reconverting the reproduced 'KANA' character string as one conversion unit. CONSTITUTION:When a reconversion command is inputted from a keyboard 17, a reconversion processing part 13 deletes a division to be the conversion unit of a conversion candidate already converted by a 'KANA'/'KANJI' (Chinese character) conversion processing part 12 reproduces a 'KANA' character string obtained before inserting the division and reconverts the reproduced 'KANA' character string to be one conversion unit into a conversion candidate consisting of a 'KANJI' sentence or a 'KANJI' mixed sentence based upon 'KANA'/'KANJI' conversion data stored in a 'KANA'/'KANJI' conversion dictionary part 14. When the input of the 'KANJI' or 'KANJI' mixed sentence reconverted by a reconversion processing part 13 is determined, the sentence is transferred and stored to/in a sentence data memory 18 to be a sentence storing means from the output buffer 120.
Patent JP-H02277724-A (JP)
Title: Method for continuously annealing cold-rolled stainless steel strip
Inventor: ISHIBASHI GENICHI
IPC: C21D9/56
Filed: 1989-04-20
Abstract: PURPOSE:To reduce the development of defect ratio in connecting part of a strip by arranging a degreasing device and an oil coating device at inlet side of a continuous annealing furnace for cold-rolled stainless steel strip and changing oil coating thickness on the steel strip according to changing ratio of strip thicknesses at the time of changing the thickness of the steel strip. CONSTITUTION:At the time of annealing the stainless steel strip 5 in the continuous annealing furnace 1 after cold-rolling, the degreasing device 7 and the oil coating device 8 for executing pre-treatment are arranged at the inlet side of the annealing furnace 1. At first, stuck rolling oil and roll worn powder on the steel strip 5 are removed with the degreasing device 7 to make clean surface of the steel strip and immediately the oil is uniformly applied on the surface with the oil coating device 8. Then, at the time of changing the thickness of the steel strip 5, the oil coating thickness on the steel strip 5 is changed to zero or the prescribed thickness according to the changing ratio of the strip thickness so as to make heating temp. constant. By this method, the development of pattern caused by uneven luster on the connecting part of the strip is prevented and the yield is improved.
Patent JP-S59227128-A (JP)
Title: Oxidation method for semiconductor substrate
Inventor: HONMA HIDEO
IPC: H01L29/43
Filed: 1983-06-08
Abstract: PURPOSE:To enable the attainment of an oxide film being uniform and having excellent repeatability by a method wherein a process of forming a thin initial oxide film of uniform thickness on a semiconductor substrate is provided before a process of forming a substantial oxide film on the semiconductor substrate. CONSTITUTION:After an unnecessary oxide film formed on the surface of an Si wafer 1 is removed completely, said surface is washed by flowing water. Next, dry oxygen is let to flow from a gas inlet port 3A into a quartz diffusion tube 3 heated by a heating furnace 4, the wafer 1 is inserted into the tube and held for a prescribed time, and thereby a thin initial oxide film of uniform thickness is formed on the wafer 1. Then, as a process of forming a substantial oxide film, dry oxygen is let to flow from one end 3A into the tube 3 maintained at a higher temperature than in the process in which the initial oxide film is formed, and then the wafer 1 with the initial oxide film formed thereon is inserted into the tube and held therein for a prescribed time. According to this oxidation method, the non-uniformity of the thickness of the oxide film in an initial period of growth thereof is eliminated, and thus an oxide film having very excellent uniformity and repeatability can be formed.
Patent JP-H08292201-A (JP)
Title: Trigonometric function data transforming circuit and meter device
Inventor: NAKAMURA YOSHITO
IPC: G01R5/16
Filed: 1995-04-25
Abstract: PURPOSE: To suppress the generated amount of transformation error to the least with a simple circuit configuration when sin function data or cos function data is read out of a ROM in which sin function data is stored. CONSTITUTION: A ROM 30 is provided which is addressed by n bit binary data representing variable in a quadrant among variable range 0-2πradian of trigonometric function, stores the function data, wherein the correspondence relation between the address and sin function data and the correspondence relation between the address and cos function data are symmetrical with respect to an intermediate angle of variable as reference, and outputs a ROM 30 where the function data according to the specified address. And, this device comprises a circuit 20 controlling inversion/non-inversion of logical level of address input according to whether the function data of ROM 30 is read out as sin function data or as con function data, and a circuit 40 which separates the function data read out of the ROM 30 as the sin function data or as cos function data.
Patent JP-S58217356-A (JP)
Title: Method for fixing gauze screen to frame of screen printing plate
Inventor: ITOU KURANOSUKE
IPC: B41F15/36
Filed: 1982-06-11
Abstract: PURPOSE:To tighten and fix a gauze screen by a relatively shallow groove, by providing the groove with trapezaidal section on the gauze screen contacting surface of a frame, pushing the tightened ganze screen together with a locking bar, and compressing the gauze screen to the side wall of the groove and fixing the gauze. CONSTITUTION:A groove 4 with trapezoidal section is provided on a gauze screen contacting surface 3 of a frame 7. Tightened gauze screen 2 is pushed in the groove 4 by a guide tool 21 of a pushing device 19. At the same time, a locking bar 5 is guided and struck in by a striking part 20. As the backing bar, a ball, a locking bar 15, a bellows wire, a compregnated wood piece, or the like is used. The locking bar 5 is expanded or extended at the bottom of the groove, and the plain gauze is pushed to the side wall of the groove. Thus the fixing with locking bar is obtained.
Patent JP-2000294994-A (JP)
Title: Electronic component-recognizing device and method and electronic component mounting machine therewith
Inventor: NAKANO TOMOYUKI
IPC: H05K13/08
Filed: 1999-04-08
Abstract: PROBLEM TO BE SOLVED: To provide an electronic component recognizing device and method and an electronic component mounting machine accurately mounting electronic components to a mounting position on a substrate and for improving a recognition rate and productivity. SOLUTION: For improving the resolution of the image pickup information of electronic components 7 whose images have been picked up by an image pickup device 1101, a brightness-changing device 1812 is controlled by a recognition control part 1814, dimensions based on brightness or image pickup information of an electronic in an electrode 7b to the electronic components are set to a mounting accuracy improvement region, where the deviation between the retention posture of the electronic components and the mounting attitude can be set to an allowable range. As a result, the image pickup accuracy of the retention posture can be improved, as compared with before and the deviation is within the allowable range, thus improving mounting accuracy.
Patent JP-S62255219-A (JP)
Title: Weather strip for sashless door
Inventor: MISHIMA KUNIO
IPC: B60J1/17
Filed: 1986-04-30
Abstract: PURPOSE:To improve sealing quality by forming the outer lip part of a weather strip with solid rubber having higher hardness than other parts and making the drip mold part coupled to an automobile body monolithic with the outer lip part. CONSTITUTION:In the constitution wherein a weather strip 3 is retained and fixed within a channel 'C' formed between the roof side outer member 7 of an automobile body 4 and a roof drip shed member 8 via a retainer 10, the outer lip part 'L' projected in a lip shape toward the outside of the body 4 in way of the upper portion of the weather strip 3, is made different from other portions 'R' in respect of material hardness. Namely, foamed rubber having foaming density within a range of, for example, 0.45g/cm<2>-0.65g/cm<2> is used for the non-outer lip part 'R', while the outer lip part 'L' is made of solid rubber. Also, a drip mold part 11 coupled to the automobile body 4 is made monolithic with the outer lip part 'L'.
Patent JP-H05296719-A (JP)
Title: Edge sensor
Inventor: FUJIMOTO HIROHISA
IPC: G01C3/06
Filed: 1992-04-21
Abstract: PURPOSE:To undertake the detection of an edge with a less error and without setting a threshold value. CONSTITUTION:Illumination light, when irradiated with transmitted illumination T, is partly shaded by a sample 1 and then changed to parallel beams through an objective lens 2. Furthermore, the parallel beams are incident on a prism 4a via an imaging lens 3, and light reflected with the reflection surface of the prism 4a is introduced to the eye-balls 7 of an observer. On the other hand, light transmitted through the reflection surface of the prism 4a is made incident on another prism 4b and light transmitted through the reflection surface of the prism 4b is irradiated to a photodetector 6a via a pinhole 5a. Also, light reflected with the refection surface of the prism 4b is irradiated to another photodetector 6b via a pinhole 5b. Then, a difference between output signals from the photodetectors 6a and 6b is calculated, and a zero-cross point in the result of the calculation is detected as an edge position.
Patent JP-S582591-A (JP)
Inventor: MATSUMOTO TOORU
IPC: F16L9/02
Filed: 1981-06-30
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H07310766-A (JP)
Title: Two-way clutch unit
Inventor: NOJIRI HIROMI
IPC: F16D41/10
Filed: 1994-05-17
Abstract: PURPOSE:To realize a mechanism, by which the connection between a rotation driving power supply and an output shaft can be automatically disengaged by a mechanical structure when the rotation driving power supply is stopped. CONSTITUTION:A two-way clutch comprises an inner ring 1, an outer ring 2 as an output shaft, plural rollers 3 interposed between the outer peripheral surface of the inner ring 1 and the inner peripheral surface of the outer ring 2 as torque transmitting member, and a retainer 4 as an input shaft. The retainer 4 is connected to a motor 7 serving as a rotation driving source through a worm and wheel mechanism 6. A shaft member 8 has one end part friction- fixed to a casing 5 in the rotating direction by a braking member 9, whereby only when a larger rotating force (rotating torque) than the braking force produced by the friction of the braking member 9 is received, the shaft member can be rotated for the casing 5. A viscous fluid, for example, a high viscosity fluid 10 such as silicone oil or the like is enclosed in a gap between the inner ring 1 and the shaft member 8, and sealed in the gap by a seal 11.
Patent JP-H02280815-A (JP)
Title: Removal of ill effects from fluorine, bromine and iodine
Inventor: ITO HIROYUKI
IPC: C01B32/50
Filed: 1989-04-24
Abstract: PURPOSE:To effect reductive absorption of halogen alone by adjusting to a specific pH range a mixed aq. soln. of the hydroxide and sulfite of alkali metals when it is used for the cleaning of a mixed gas of halogen and carbon dioxide. CONSTITUTION:A liq. contg. the sulfite of alkali metals and/or alkaline earth metals such as lithium and sodium and the hydroxide of alkali metals and/or alkaline earth metals in the molar ratio of not more than 2 to the aforesaid sulfite, is used as a cleaning liq. A mixed gas of fluorine, bromine or iodine and carbon dioxide is washed with this cleaning liq., while its pH is being adjusted within the range of 1.9-6.3, whereby the fluorine, bromine or iodine can be removed from the mixed gas. By a simple and efficient removal in this way of the fluorine, bromine, etc., from the mixed gas over a wide pH range, a harmless halide results.
Patent JP-S591343-A (JP)
Inventor: HAYASHI YOSHIAKI
IPC: B65D1/02
Filed: 1982-06-14
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-H04329831-A (JP)
Title: Production of grain-oriented silicon steel sheet excellent in magnetic property and film characteristic
Inventor: YATSUGAYO KENICHI
IPC: C21D8/12
Filed: 1991-05-07
Abstract: PURPOSE:To remove the occurrence of fogging and to obtain a grain-oriented silicon steel sheet excellent in film characteristics by inhibiting reduction in a surface oxide layer in the course between the completion of decarburizing treatment and nitriding treatment and also in the course of subsequent nitriding treatment at the time of producing a grain-oriented silicon steel sheet. CONSTITUTION:At the time of producing a grain-oriented silicon steel sheet by subjecting a silicon steel slab to heating up to <=1200 deg.C and to hot rolling, subjecting the resulting plate, in an as-hot-rolled state or after hot rolled plate annealing, to cold rolling once or to cold rolling twice or more while performing process annealing between cold rolling stages, forming an inhibitor by means of decarburizing and nitriding treatments, and then exerting finish annealing, the degree of oxidation, PH2O/PH2, of an atmospheric gas in a furnace is, i.e., regulated to >=5X10<-4> in the course between the completion of decarburizing annealing and nitriding treatment and also in the course of subsequent nitriding treatment.
Patent JP-S583896-A (JP)
Title: Printer
Inventor: IIIZUMI KIYOSHI
IPC: B41J29/50
Filed: 1981-06-30
Abstract: PURPOSE:To protect a printing head from damage even after starting printing without setting newly margin set only by connecting a paper-feeding tractor and a margin set with a common rod and by making it possible to move them in the same direction as the printing head. CONSTITUTION:A metallic paper pressing fixture PDM that is manufactured as one body with a paper feeding tractor PFT and a margin set MGS are connected with a common rod RD, so that they will moved in the same direction as a letter printing head PH. When the tractor PFT and the metallic fixture PDM are adjusted in the direction of the shorter width of the paper PR so that they are again set at one end of the paper PR upon replacing the paper PR, the margin set MGS is also moved in the same direction, and the margin set MGS stops at a most suitable position by setting the tractor PFT. The head PH is moved in the narrow direction of the paper, and when it abuts the margin set MGS, the paper PH also comes to the end, and it is known that further printing can not be made.
Patent JP-S5435145-A (JP)
Title: Seal welding method of tube plate and tube
Inventor: NAGURA YASUMI
IPC: B23K37/00
Filed: 1977-08-25
Abstract: PURPOSE: To enable the production of bubbles near the welding start point to be lap-welded by using a tube expander which force expands only the part of the tube near its welding start point at the time of seal-welding the tube and tube plate of a heat exchanger, etc. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-S584926-A (JP)
Title: Spin coater
Inventor: YAMAMOTO HIROICHI
IPC: H01L21/027
Filed: 1981-06-30
Abstract: PURPOSE:To make coating liquid uniform the surface of a semiconductor wafer by a method wherein fins are installed in a part of spinning section which supports the wafer to flow the atmosphere around the wafer downward from the coating side when liquid is spincoated on the wafer. CONSTITUTION:A cup 2, which has a hole to pass through a spinning axis in the center of the bottom and a hole to drain extra coating liquid, is placed in a vessel 1. A wafer chuck 7 that is provided in the cup 2 to mount a semiconducter wafer 8 is spinned by a spinning shaft 4 having bearings 5, 6 and by a hollow shaft motor 3. In addition, the chuck 7 has many fins 10 on its side so that coating liquid 9, scattered in dropping coating liqud on the wafer 8 and extended by spinning, is conveyed toward the outlet with the air flow generated by the fins 10. With such a mechanism, coating liquid 9 will not return to the wafer 8 again, which avoids its abnormal spreading.
Patent JP-S58219300-A (JP)
Inventor: SATOU GENSUKE
IPC: C11B1/10
Filed: 1982-06-16
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-H10293913-A (JP)
Title: Head chip positioning device for magnetic head
Inventor: TADANO YOSHIKO
IPC: G11B5/53
Filed: 1997-04-18
Abstract: PROBLEM TO BE SOLVED: To enable a plurality of head chips to be installed with each individual distance between chips put close to each other on a base and also to enhance the chip positioning accuracy. SOLUTION: This head chip positioning device 10 is for positioning the head chips on the base B of the magnetic head. For this purpose, the device is provided with a holding member 11 for holding the head chip P and an operating part 12 for moving the holding member 11 and inserting the holding member 11 into a winding hole MH of the head chip P and then positioning the head chip P held by the holding member 11 into a bonding position on the base B.
Patent JP-2000292932-A (JP)
Title: Resist processing device
Inventor: YOSHIOKA HIROSHI
IPC: B05C11/10
Filed: 1999-04-09
Abstract: PROBLEM TO BE SOLVED: To provide a resist processing device which is capable of suppressing the formation of a ununiform resist coating film on a wafer by bouncing back of resist mist. SOLUTION: This resist processing device includes a spin chuck 25 which holds a wafer 27, a motor 19 which rotates this chuck 25, a nozzle 28 which discharge the resist onto the wafer 27 held on the chuck 25, a resist supplying means which supplies the resist to a nozzle 28, spin cups 11 and 12 which enclose the circumference of the chuck 25, a medicinal liquid nozzle 18 which discharges a medicinal liquid to the inside wall surface of a spin cup lower part 12 and a separating means which separates the medicinal liquid flushed to the inside wall surface of the spin cup lower part 12 by discharge the medicinal liquid from the medicinal liquid nozzle 18 and the resist splashed to the spin cups when the resist is discharged from the nozzle 28 by distilling and cooling.
Patent JP-S5248693-A (JP)
Title: Synthesis of noncyclic c-nucleosides
Inventor: MATSUI MASANAO
IPC: C07D493/04
Filed: 1976-08-26
Abstract: PURPOSE: Noncyclic C-nucleosides, for example, 2-(2',4':3',5')-di-O-benzylidene-D-altro-pentahydroxypentyl pyridine or its D allo-isomer. 
     COPYRIGHT: (C)1977,JPO&Japio