baber/WOPTO huggingface dataset:
Patent JP-2000323454-A (JP)
Title: Method of anisotropically etching substrate
Inventor: PANDUMSOPORN TAMARAK
IPC: H01L21/3065
Filed: 2000-03-01
Abstract: PROBLEM TO BE SOLVED: To enable etching with a high aspect ratio and a high selectivity by stimulating a mixed gas composed of an etching gas and a passivation gas with a low-power electromagnetic radiation, applying a high bias voltage, stimulating the mixed gas with a high-power electromagnetic radiation, and applying a low bias voltage to a substrate. SOLUTION: A mixed gas composed of an etching gas and a passivation gas is fed in a chamber 10, a comparatively low r-f power is applied from a power source 30 to form a plasma, and a bias voltage is given from an oscillator 18 on a substrate to form a comparatively high electric field. After 10 to 100 sec for example, the power source 30 is switched to a comparatively high power to provide a high energy stimulated state of a plasma, the bias potential generated by the oscillator 18 on the substrate lowers to a comparatively low level, a protective polymer layer 46 of a specified thickness is formed on the walls of trenches after 0.5 to 3 sec for example, and the polymer layer in the trench bottoms is stripped by the impact of anisotropic ions accelerated by the high bias potential during etching.
Patent JP-2000319223-A (JP)
Title: Production of (meth)acrylic acid and/or (meth)acrylic ester
Inventor: NAKAHARA HITOSHI
IPC: C07C57/055
Filed: 2000-03-01
Abstract: PROBLEM TO BE SOLVED: To obtain the subject compound useful for a long-term operation by removing solid materials such as polymer, precipitate, etc., attached to equipment and piping in a short time. SOLUTION: In stopping the production of the objective compound, in order to remove solid materials such as polymer, precipitate, etc., formed on the surface of flow channel of apparatus (distillation column, absorption column or stripping tower) during the production of the compound, the apparatus is prewashed with a basic solution (e.g. alkali metal hydroxide), cleaned with a solvent (e.g. water, <=10 ms/m electric conductivity) until drain becomes pH 9 (50 deg.C) and the total content of alkali metal and alkaline earth metal in the drain is reduced to <=50 mg/l to produce the objective compound. Consequently decomposition of (meth)acrylic ester can be effectively prevented in a purification process.
Patent JP-2001244795-A (JP)
Title: Tuner system, channel selection method amd recording medium
Inventor: KIMURA SATOSHI
IPC: H04N5/445
Filed: 2000-03-01
Abstract: PROBLEM TO BE SOLVED: To attain proper channel selection with a simple operation by easily using a preset call function. SOLUTION: When an operation section 13 enters an instruction of performing a preset call, a preset call processing section 14 discriminates whether the tuning frequency information is preset to a preset memory section 15 and starts an automatic preset processing section 17, and when it discriminates that the information is not preset, it automatically stores the tuning frequency information to the preset memory section 15, so as to make the preset call function available.
Patent JP-2001244315-A (JP)
Title: Apparatus for manufacturing semiconductor and semiconductor device
Inventor: KUNIIE MICHIO
IPC: H01L21/205
Filed: 2000-03-02
Abstract: PROBLEM TO BE SOLVED: To provide an apparatus for manufacturing semiconductor which prevents a semiconductor device from contaminating with organic matters and foreign matters. SOLUTION: An apparatus comprises respectively independent exhaust systems 11 which exhaust air supplied through a filter 6 for eliminating foreign matters and a filter 7 for eliminating organic matters at a ceiling part, on a wafer load/unload part 2, a transportation part 3, and a wafer treating part 4. Exhaust controllers 12 are installed in each exhaust system 11.
Patent JP-2001241779-A (JP)
Title: Refrigerant flow rate controller for air conditioner
Inventor: TERASAKI AKIRA
IPC: F25B1/00
Filed: 2000-03-02
Abstract: PROBLEM TO BE SOLVED: To stabilize a refrigerating cycle by preventing or reducing an overheat of an intermediate part of an indoor heat exchanger when cooled and to control to an optimum refrigerant flow rate under the stabilized control of a valve travel of an expansion valve. SOLUTION: A refrigerant flow rate controller 11 controls a valve lift of an electronic expansion valve 4 so that a superheat degree becomes a predetermined target value. In this case, the superheat degree is obtained by a difference between a lower temperature by comparing a temperature of an intermediate part of an evaporator detected by an evaporator intermediate part temperature sensor 10 at the time of cooling in the refrigerating cycle with an evaporator inlet temperature detected by an evaporator inlet temperature sensor 9 and a compressor suction temperature detected by a compressor suction temperature sensor 7.
Patent JP-2001249010-A (JP)
Title: Method and device for measuring surface shape and thickness of plate shape work
Inventor: TANI YASUHIRO
IPC: G01B11/06
Filed: 2000-03-03
Abstract: PROBLEM TO BE SOLVED: To provide a method and device for measuring the surface shape and thickness of plate shape work which can measure the surface shape and thickness of a work in a state put on a machining table and improve the measuring accuracy. SOLUTION: A convex lens 14 is arranged in the light reflection side of a half mirror 12 and a convex lens 17 is arranged on the back side of half mirror 12. A light reception means 18 is arranged at the focus position of the convex lens 17. When the focal point of the convex lens 14 for parallel light beam reflected by the half mirror 12 coincides the front surface or the back surface of the work 1, the output of the reception means 18 becomes a peak value due to the light reflected on the front surface or the back surface of the work 1. By monitoring the output of the reception means 18, the convex lens 14 is moved in the thickness direction of the work 1 and the position of the convex lens 14 at the time when the output of the reception means 18 shows the peak is obtained with a position sensor 16.  The obtained movement corresponds to the roughness of the front and back surfaces and so the thickness can be obtained from the difference between the coordinates of the front and back surfaces.
Patent JP-2001249029-A (JP)
Title: Rotation detection sensor
Inventor: OGISO KATSUYA
IPC: G01D5/245
Filed: 2000-03-06
Abstract: PROBLEM TO BE SOLVED: To provide a rotation detection sensor which enables accurate detection of angles regardless of any smaller rotation member. SOLUTION: There are arranged a rotary plate 12 which is supported rotatably on a rotating shaft 14 with a plurality of slits 15 formed radially, a second bias magnet 16 and a magnetic resistance element 17 arranged respectively on both sides sandwiching the slits 15 of the rotary plate 12 and a first bias magnet 18 arranged beside the magnetic resistance element 17. The magnetic poles closer to the rotary plate 12 of the second and first bias magnets 16 and 18 are S and N poles respectively. As the slits 15 are positioned between the second bias magnet 16 and the magnetic resistance element 17, the direction of the magnetic flux Z of the first bias magnet 18 changes and the changes are detected by the magnetic resistance element 17.
Patent JP-2001248586-A (JP)
Title: Centrifugal pump
Inventor: OKUBO TAKESHI
IPC: F04D15/00
Filed: 2000-03-07
Abstract: PROBLEM TO BE SOLVED: To provide a centrifugal pump reducing the size and a cost by eliminating oil lubrication in a bearing as much as possible. SOLUTION: This centrifugal pump is provided with a easing 31 having a suction port 32 and a discharge port 33, an impeller 36 fixed around the outer circumference of a rotationally driven spindle 30 so as to forcibly feed fluid introduced from the suction port 32 to the discharge port 33, and a balance disc 6 fixed to the spindle 30 so as to turn in the fluid. On both sides of the balance disc 6, fluid chambers 10, 13 communicated with the discharge port side so as to press the balance disc 6 and ring-shaped thrust bearings 11, 14 facing the balance disc 6 in an axial clearance connecting the fluid chambers 10, 13 to the suction port side are arranged, and the axial thrust of the whole of the spindle is balanced by the axial thrust working on the balance disc 6.
Patent JP-2001250305-A (JP)
Title: Optical disk device
Inventor: TANAKA KATSUYA
IPC: G11B17/03
Filed: 2000-03-08
Abstract: PROBLEM TO BE SOLVED: To prevent an optical disk from being damaged due to being caught by a clamper at the time of loading operation even when an optical disk is not properly mounted on a tray main body of an optical disk device having a loading mechanism. SOLUTION: A projected part 22 having a slope part 22a for pushing up the clamper 18 which is hung down by gravity is provided behind a disk mounting part 5 of the tray main body 4 which can be freely put in and out in the optical disk device 1.
Patent JP-2001256807-A (JP)
Title: Vehicle lamp
Inventor: TAKIGAWA KANA
IPC: F21Y101/00
Filed: 2000-03-09
Abstract: PROBLEM TO BE SOLVED: To sufficiently increase light quantity and improve appearance of the inside of a lamp chamber in a lighting condition by providing a paraboloidal surface shaped secondary effective reflection surface on a flat bulb mounting seat surface at a peripheral part of a bulb insertion mounting hole. SOLUTION: This lamp for a vehicle is provided with a lamp 10 having an effective reflection surface 100 formed on the inside peripheral surface as one body, a front surface lens 30 forming a lamp chamber S with the lamp 10, and a bulb 20 inserted and attached with a bayonet engagement in a bulb insertion mounting hole 16 provided on the lamp body 10. The praboloidal surface shaped secondary effective reflection surface 200 is provided on a bulb mounting seat surface 15b of a periphery of the bulb insertion mounting hole 16. Because light reflected on the secondary effective reflection surface (parabola surface) 200 contributes forming of light intensity distribution of the lamp, a quantity of light is increased. Moreover, because the secondary effective reflection surface (parabola surface) 200 reflects light in the same manner as the effective reflection surface 100 on the inside periphery surface of the lamp 10, a bulb mounting part 15 in the lamp chamber S does not look a dark shadow.
Patent JP-2001252378-A (JP)
Title: Driver club head
Inventor: KAJITA RYOTA
IPC: A63B102/32
Filed: 2000-03-10
Abstract: PROBLEM TO BE SOLVED: To provide a wood club head for driver which enables a golfer to easily hit a ball at a sweet spot, allows the easy rise of the hit ball and imparts an easily hittable feeling to the golfer. SOLUTION: The slenderness ratio of a clubface expressed by the value obtained by dividing the maximum face width of the large-sized driver club head of a metallic shell structure having a maximum face length of >=95 mm by the maximum face length is set within the range of 0/45 to 0.55. Further, it is preferable to set the loft angle of the face at an angle of >=11 deg. and the maximum face width in a range of >=50 mm.
Patent JP-2001253954-A (JP)
Title: Tape
Inventor: SUEZAWA MANABU
IPC: C08J5/18
Filed: 2000-03-13
Abstract: PROBLEM TO BE SOLVED: To provide a tape which can improve the efficiency of work due to its proper self back surface adhesive force without causing the natural development of the rolled product of the tape, can beautifully bind an article to be bound due to a proper slipping property after being developed, and does not cause the pollution of environments. SOLUTION: This tape comprising a polyolefin-based resin, characterized by having the following physical properties. (1) The tensile elastic modulus of the tape in the MD direction is 15 to 150 MPa. (2) The tape has a stress of 5 to 30 MPa when extended in the MD direction, and does not have a yield point. (3) The tape has a residual stress of 2 to 16 MPa at one minute after extended in the MD direction. (4) The tape has a self back surface adhesive force of 1 N/50 mm to <30 N/50 mm in a state of a rolled product, and a coefficient of dynamic friction of <=1.0 after developed.
Patent JP-2001260278-A (JP)
Title: Laminate and showcase using the laminate
Inventor: SASAKI YASUYUKI
IPC: A47F3/00
Filed: 2000-03-14
Abstract: PROBLEM TO BE SOLVED: To provide a laminate and a showcase which are excellent in impact resistance and chemical resistance. SOLUTION: The laminate is equipped with a polycarbonate plate and a glass plate provided on at least one side of a front and a rear of the polycarbonate plate. Further, the showcase is equipped with the laminate on at least one side. Impact resistance is developed by the polycarbonate plate and chemical resistance performance is developed by protecting the polycarbonate plate by the glass plate from at least one face on its front and rear.
Patent JP-2001259072-A (JP)
Title: Treatment method for hazardous waste
Inventor: NISHIKAWA HIDEKAZU
IPC: A62D3/33
Filed: 2000-03-15
Abstract: PROBLEM TO BE SOLVED: To provide a treatment method for hazardous wastes which is capable of easily and sufficiently removing both of organic chlorine compounds, such as dioxins, and heavy metals included in materials to be treated. SOLUTION: This treatment method for hazardous wastes is a method to remove organic chlorine compounds and/or their heavy metals from materials to be treated which contain the organic chlorine compounds and/or the heavy metals. The method described above has a first absorbent adding stage SP2 for adding powder active carbon to a pickling solution of flying ash as the materials to be treated, a second anion adding state SP3 for adding sodium sulfide to the pickling solution and a first solid-liquid separation stage SP4 for separating the solid from the pickling solution having added powder active carbon and the sodium sulfide.
Patent JP-2001268752-A (JP)
Title: Clamp and car body fixing structure of the clamp
Inventor: HATTORI KATSUNORI
IPC: F16B5/12
Filed: 2000-03-16
Abstract: PROBLEM TO BE SOLVED: To provide a clamp which can lessen the wiring space of a wire harness to the car body, and a car body fixing structure of the clamp. SOLUTION: Both of a first clamp C1 which has fixed a first wire harness WH and a second clamp C2 which has fixed a second wire harness WH2 are fixed to the car body 1, in condition that the second clamp C2 which has a locking vane 91 to be locked to the flat locking face of a quadrangular frame 5 at the tip of the shank is laid on the first clamp C1 which has a quadrangular frame 5. Locking claws 6 and 7 are projected outside at the brim of a hole 4 bored in a position offset from the main body of a mount.
Patent JP-2001264760-A (JP)
Title: Liquid crystal display device
Inventor: GUSHIKEN HIROSHI
IPC: G02F1/1335
Filed: 2000-03-17
Abstract: PROBLEM TO BE SOLVED: To suppress unevenness due to a phase difference plate generated in a high temperature region, in a super twisted nemetic liquid crystal display device of negative mode display, wherein color compensation is performed by a temperature compensation type phase difference plate. SOLUTION: Phase difference plates 13 and 14 having an aspect ratio of 1:1.5 to 1:2.5 are disposed between a liquid crystal cell and polarizing plates 11 and 12, respectively.
Patent JP-2001264153-A (JP)
Title: Combined metering apparatus
Inventor: TANAKA OSAMU
IPC: G01G19/387
Filed: 2000-03-17
Abstract: PROBLEM TO BE SOLVED: To solve a problem that, in a combined metering apparatus, fine powders or sprays of an object to be metered are easy to stick and deposit because the opening and shutting mechanism of the opening and shutting lid of a hopper is installed in a state that the mechanism is exposed to the outside. SOLUTION: The combined metering apparatus comprises a plurality hoppers to which the object to be metered is fed. The metering apparatus comprises an enclosure in which a driving source used to open, shut and drive opening and shutting lids used to open and shut discharge openings of the hoppers is arranged at the inside. The metering apparatus is provided with couplings which are installed at the hoppers so as to be feely rotatable and which are attached to the opening and shutting lids of the hoppers. The metering apparatus is provided with a hollow hopper support arm in which an opening-and-shutting driving mechanism used to transmit a driving motion from the driving source is sealed.  The metering apparatus is provided with an opening-and-shutting driving body which is installed in a state that it is exposed to the outer face of the hopper mounting part at the tip of the hopper support arm, which is driven by the sealed openingand-shutting driving mechanism, which is coupled to the couplings by mounting the hoppers and which opens, shuts and drives the opening and shutting lids of the hoppers.
Patent JP-2001259379-A (JP)
Title: Hollow fiber membrane module
Inventor: TOMINAGA ICHIRO
IPC: B01D63/02
Filed: 2000-03-15
Abstract: PROBLEM TO BE SOLVED: To provide a hollow fiber membrane module widening the material selection range of a case member to facilitate the recycling of the case member and excellent in convenience. SOLUTION: Seal fixing parts 4a, 4b are provided to the case member 2 in the vicinity of the outflow ports 23, 24 thereof through spacers 6a, 6b and a plurality of hollow fiber membrans 3 are mounted in the case member 2 so that only the hollow parts of them are opened to the opening ends 21, 22 of the case member 2 and seal members 71, 72, 73, 74 are provided between the outer wall surfaces of the spacers 6a, 6b and the case member 2 to prevent such a phenomenon that an unfiltered liquid penetrates into the case member from the outer wall surfaces of the spacers 6a, 6b or a filterate leaks to the outside.
Patent JP-2001274251-A (JP)
Title: Method and device for cutting fuse, fuse circuit device and circuit manufacturing method
Inventor: HIROTA TOMOKI
IPC: B23K26/082
Filed: 2000-03-23
Abstract: PROBLEM TO BE SOLVED: To prevent shorting caused by scattered fragments, even if adjacent fuse electrodes are cut when the plural fuse electrodes continued in the X direction and arranged in the Y direction are cut with a laser beam radiated in the Z direction. SOLUTION: When adjacent fuse electrodes 130 are cut it the Y direction, the positions of cutting are made different in the X direction, the adjacent fuse electrodes 130 are cut at remote positions, and shorting is prevented.
Patent JP-2001269959-A (JP)
Title: Manufacturing method of rubber molding and mold assembly used for the same
Inventor: KOGA TOSHIAKI
IPC: B29C43/52
Filed: 2000-03-24
Abstract: PROBLEM TO BE SOLVED: To enable a high pressure processing, reduce electric resistance as a whole, and manufacture a stable rubber molding. SOLUTION: In the method for manufacturing the rubber molded items, unvulcanized rubber R is put in an outer mold 1 having a cylindrical inner surface 2 and a bottom surface 3, and an inner mold 11 forming a gap between the outer mold 1 and itself is inserted into the outer mold 1. The unvulcanized rubber R is compressed between the outer mold 1 and the inner mold 2 while heating it and rubber is poured into the gap between the outer mold 1 and the inner mold 11, and demolded after vulcanization.
Patent JP-2001269629-A (JP)
Title: Cullet classifying device and classifying method for the same
Inventor: SAWAMURA MASAYUKI
IPC: G01N21/958
Filed: 2000-03-28
Abstract: PROBLEM TO BE SOLVED: To simultaneously execute the classification and color identification of dissimilar glass efficiently, easily and accurately by utilizing the transmittance of visible rays in specific wavelength regions. SOLUTION: A heat resistance glass is discriminated from a cullet including the heat resistant glass of pale brown or purple and soda glass of multiple colors. The colorless transparent and pale blue soda glass and the glass exclusive thereof are classified by light having a wavelength below 430 nm. The heat resistant glass of the pale brown or purple and the glass of the colors exclusive thereof are classified by light having a wavelength of 630 to 700 nm.
Patent JP-2001269786-A (JP)
Title: Laser beam welding equipment
Inventor: SUNAMORI YASUMICHI
IPC: B23K26/21
Filed: 2000-03-28
Abstract: PROBLEM TO BE SOLVED: To provide a laser beam welding equipment with which enables a butt welding under the condition that the difference in level between end parts of steel belts to be welded is kept small. SOLUTION: The supporting length Y along the longitudinal direction L of the steel belts at each of the end parts 3 and 4 of the steel belts supported by the butted faces 7b of a back bar 7 is set at 10 to 40% of the protruding distance X of the end parts 3 and 4 of the steel belts protruded from clamping devices 5 and 6.
Patent JP-2001276485-A (JP)
Title: Washing machine
Inventor: HAGIWARA HISASHI
IPC: H02P21/18
Filed: 2000-03-29
Abstract: PROBLEM TO BE SOLVED: To surely feed wash water into the washing tub of a washing machine having a self-priming water suction pump by means of priming, by avoiding fluctuation of the rotating speed of a pump motor caused by fluctuation of an AC power supply and variations in the characteristic of the pump motor, and thus holding water-feeding performance constant regardless of the frequency of the AC power supply and fluctuation of the voltage of the AC power supply. SOLUTION: The rotating speed of the pump motor 43 driving the self- priming water suction pump is detected by a rotating speed detecting means and is controlled by a control means 30 according to signals outputted from the rotating speed detecting means.
Patent JP-2001271747-A (JP)
Title: Piston
Inventor: ISHIDA YOSHIYUKI
IPC: F04B27/08
Filed: 2000-03-29
Abstract: PROBLEM TO BE SOLVED: To provide a lightweight piston which can be manufactured at low cost. SOLUTION: In the piston 7 provided with a cylindrical part 50 which is slid in a cylinder bore, a first supporting part 51 which is formed on a bottom surface 50a of the cylindrical part 50 and for supporting one shoe, a second supporting part 52 which is opposed to the first supporting part 51 in a piston axial direction and for supporting the other shoe, and a bridge part 53 for connecting both supporting parts 51, 52 to each other, a lightening hole 66 extending along the piston axial direction from the bottom surface 50a toward a top surface 50b is formed on the cylindrical part 50.
Patent JP-2001285596-A (JP)
Title: Facsimile machine
Inventor: ISAKI TAKESHI
IPC: H04N1/21
Filed: 2000-03-29
Abstract: PROBLEM TO BE SOLVED: To provide a facsimile machine provided with an automatic document feeder(ADF) and a flat bed(FB), that faxes intermingled images read by using the ADF and the FB. SOLUTION: First, ADF read control processing is executed (S10-S30), where while originals set to the ADF are fed one by one, image data are read and the image data are stored in an image data storage area in a RAM in the unit of pages. Then FB read control processing is executed (S40, S50), where image data are read from an original set to the FB and the image data are stored in an image data storage area in the RAM 25 in the unit of pages. Then a edit picture is displayed on an LCD (S80), and an edit key is operated to execute the edit, so that the data are arranged in the order of transmission for actual faxing and then the facsimile transmission is started (S90, S100).
Patent JP-2001236011-A (JP)
Title: Concept of new language learning
Inventor: OKAWA YUTAKA
IPC: G10L15/00
Filed: 2000-02-24
Abstract: PROBLEM TO BE SOLVED: To enable learner to master their own new language ability while enjoying. SOLUTION: A doll and pet having voice recognition and speech synthesis and self-learning functions by utilizing a computer are used as media and language is taught to these media, by which their own learning ability of the learners is grown through their growth.