baber/WOPTO huggingface dataset:
Patent JP-2001322854-A (JP)
Title: Cement dispersant
Inventor: SHIBA DAISUKE
IPC: C04B24/32
Filed: 2000-05-12
Abstract: PROBLEM TO BE SOLVED: To provide a cement dispersant by the use of which dispersion properties, dispersion retentivity and initial strength of concrete can highly be exhibited under a wide variety of concrete production conditions. SOLUTION: This cement dispersant contains a copolymer mixture I and another copolymer mixture II, wherein: the copolymer mixture I is obtained by copolymerizing a specific monomer A such as ethylenically unsaturated carboxylic acid derivative having a polyoxyalkylene group, and another specific monomer such as (meth)acrylic acid, and in the copolymerization, the A/B molar ratio is at least once changed in the process of this reaction; and the copolymer mixture II is obtained from such monomers A and B, similarly to the copolymer mixture I, however, has an average weight ratio of the monomer B to the total weight of the constituent monomers of the copolymers in the copolymer mixture II, different from that of the copolymer mixture I.
Patent JP-2001326193-A (JP)
Title: Dicing device and dicing method
Inventor: SAWADA NAOKI
IPC: H01L21/301
Filed: 2000-05-15
Abstract: PROBLEM TO BE SOLVED: To prevent chips from being damaged, when a wafer is cut into chips. SOLUTION: A dicing device is formed in a constitution such that the device is provided with a table 6 for placing a semiconductor wafer 4 on its surface and a discoidal blade 8 and the wafer 4 on the table 6 is cut and split into individual IC chips 18 by the blade 8. In this constitution, a roller 12 is provided in the vicinity of the blade 8 for pressing the wafer 4 cut by the blade 8 on the table 6 from the upper surface of the wafer 4. The roller 12 is energized in the direction of the wafer 4 and with the roller 12 almost intersecting the surface of the blade almost orthogonally the roller 12 is provided rotatably, centered around a virtual axis being extendedly provided almost in parallel with the surface of the water.  Since the chips 18 formed by cutting the wafer by the blade 8 are fixed by this roller 12, the vibrations of the chips 18 are suppressed and the chips 18 can be prevented from being damaged.
Patent JP-2001323413-A (JP)
Title: Three-wheel surface chipping machine
Inventor: YAMANE KAZUYUKI
IPC: E01C23/12
Filed: 2000-05-15
Abstract: PROBLEM TO BE SOLVED: To provide a three-wheeled surface chipping machine capable of uniformly chipping off deeply without missing, and easily controlling the depth of chipping, and suitable for chipping off pavement such as asphalt with little missing. SOLUTION: This three-wheeled surface chipping machine is provided with a whole wheel drive type three-wheeled drum-like rotary blade which can be easily removably mounted on the tip part of a back hoe instead of a standard shovel.
Patent JP-2001326183-A (JP)
Title: Method and apparatus for processing substrate
Inventor: MORIYAMA KOUICHIROU
IPC: C23C14/00
Filed: 2000-05-16
Abstract: PROBLEM TO BE SOLVED: To provide a method and an apparatus for processing a substrate, in which defects and contamination are prevented, while enhancing the yield and characteristics by removing dust adhering to the surface of a substrate and the cost can be reduced by increasing the number of times of utilizing a ply-sheet. SOLUTION: The method for processing a substrate comprises a step for inserting a ply-sheet 101, having at least one charged surface between substrate 100 or removing the ply-sheet 101 therefrom, where at least one surface of the ply-sheet 101 has a surface roughness Ra of 1 μm-1 mm and surface resistivity of 1×109 Ω/cm2.
Patent JP-2001321313-A (JP)
Title: Dishwasher
Inventor: HIROSE HISANORI
IPC: A47L15/46
Filed: 2000-05-16
Abstract: PROBLEM TO BE SOLVED: To solve a problem which an opening/closing door of a dishwasher often collides with a faucet or a cupboard of a sink when installed sidewise of a sink table. SOLUTION: The dishwasher 1 comprises an upper door 16 turnably supported on an upper portion 51 thereof and a lower door 17 turnably supported on a lower portion 52 thereof which are provided in a front opening 30 of a washing chamber 3 which is short in the longitudinal direction and long in the lateral direction. A reed switch which is a non-contact type proximity switch and a magnetic-sensible type proximity switch is used to detect the opening/closing state of the upper door 16. A magnetic stainless steel external body 55 surrounds the reed switch, and has an attraction preventive unit 58 preventing the magnet from being attracted to prevent the incorrect detection of the proximity switch. A spout of washing water when the upper door 16 is opened can be reliably prevented.  A peripheral edge of a back side of the upper door 16 can be designed flat capable of giving the sense of easiness to a user and easy to handle when opening/closing the upper door.
Patent JP-2001324842-A (JP)
Title: Image forming device
Inventor: TAMURA YOSHIAKI
IPC: H04N1/29
Filed: 2000-05-17
Abstract: PROBLEM TO BE SOLVED: To provide an image forming device, capable of controlling the amount of exposure of an exposing unit 3 to be most appropriate and in which a good image can be obtained and efficient consumption of toner can be carried out even when originals of a low printed ratio in originals with a density that is below a specified value is printed over a long period of time. SOLUTION: This device is provided with a measuring means 8 to measure the density of the original by counting image data as the number of dots and a control means 9 to carry out control to vary the amount of exposure of the exposure unit 3 when the density of the original measured by the measuring means 8 becomes equal to or below the specified value.
Patent JP-2001072720-A (JP)
Title: Polyvinyl alcohol-type copolymer with double bond in its side chain and preparation thereof
Inventor: FUJITA AKESHI
IPC: C08F218/00
Filed: 2000-05-19
Abstract: PROBLEM TO BE SOLVED: To obtain a copolymer having a protected ethylenically unsatd. double bond in its side chain by comprising a plurality of specific structural units and having a specific number average degree of polymerization. SOLUTION: This polyvinyl ester-type copolymer comprises 99.999-30 mol% of a structural unit represented by formula I and 0.001-70 mol% of a structural unit represented by formula II, and has a number average degree of polymerization of 10-30,000. This copolymer is saponified by adding a basic catalyst, and then is reacted by further adding an acidic material or a basic material in order to remove the protection and to generate a double bond. Accordingly, a polyvinyl alcohol-type polymer is obtd. which comprises 99.999-30 mol% of a structural unit represented by formula III and 0.001-70 mol% of a structural unit represented by formula IV and has a number average degree of polymerization of 10-30,000.  In the formulas, R1 is 1-5C alkyl; R2-R4, Ra and Rc are each hydrogen or 1-5C alkyl; V is R5-CON(Ra) or the like; W is a direct combination, R7-CON(Rc) or the like; P is a protected double bond or the like; S is a polymerizable double bond or the like; R5 is a direct bond, aryl or the like; and R7 is a divalent aliph. group or the like.
Patent JP-2001329543-A (JP)
Title: Simple form and execution method for slope frame
Inventor: ISHIZUKA YOSHINORI
IPC: E02D17/20
Filed: 2000-05-19
Abstract: PROBLEM TO BE SOLVED: To provide a simple form constituted of a small number of materials and a construction method for a slope frame capable of being installed easily and ensuring a predetermined slope frame cross section. SOLUTION: This simple form consists of a U-shaped steel member and a corrugated wire, U-shaped steel members are arranged at an interval so that U shapes are overlapped when projected, and the U-shaped steel members are mutually connected by the corrugated wire. In the work execution method for slope frame, the simple forms are installed at an interval so that the longitudinal direction becomes a first direction and a middle side of the U-shaped steel member becomes a face-of-slope side, and a second bar member facing a second direction is supported by crossing corrugated wires of a first simple form.  A first bar member is installed at substantially center of the first simple form so as to support it by the second bar member, the installation of the second bar member and the first bar member is repeated by the predetermined number, the simple form is installed at the position of the second bar member, and mortar or concrete is sprayed on the simple form.
Patent JP-2001330910-A (JP)
Title: Image recording device
Inventor: HARADA AKINORI
IPC: B41J2/44
Filed: 2000-05-22
Abstract: PROBLEM TO BE SOLVED: To provide a small-sized, inexpensive image recording device capable of obtaining an image of high quality at a high speed even in the case of using a color photosensitive material with a spectral sensitivity in a visible area. SOLUTION: Since an exposure head 12 for the image recording device is provided with an LED array 16 as a red light source, an organic EL array 18 as a green light source and an organic EL array 20 as a blue light source, the satisfactory exposed light quantity is secured for every color, and by exposing the color photosensitive material 10 by the exposure head 12, the image of high quality can be obtained at a high speed.
Patent JP-2001332422-A (JP)
Title: No-grain-boundary magnetoresistance-effect material and method of manufacturing the same
Inventor: MORITOMO HIROSHI
IPC: H01L43/12
Filed: 2000-05-23
Abstract: PROBLEM TO BE SOLVED: To provide a no-grain-boundary magnetoresistance-effect material and a method of manufacturing the same, capable of forming an element and a thin film, without increasing the electrical resistance. SOLUTION: A non-grain-boundary magnetoresistance-effect material, using a molten bulk crystal having no grain boundary can be obtained through a step of mixing a raw-material oxide substance and a metal powder with a certain mixing ratio and molding them into a rod shape, a step of heating the rod-shaped molded body in Ar atmosphere for sintering, and a step of growing a crystal from the sintered body with a floating-zone melting method.
Patent JP-2001331090-A (JP)
Title: Online automatic question setting and automatic marking system
Inventor: FUJITA MASAO
IPC: G06Q10/00
Filed: 2000-05-23
Abstract: PROBLEM TO BE SOLVED: To provide an online automatic question setting and automatic marking system capable of permitting interruption during answering and also capable of reducing a communication cost or the like. SOLUTION: When an answer terminal 1 is connected to a question setting server 2, the question setting server 2 retrieves set question history of an answerer and extracts a proper question group to download it to the answer terminal 1. After the downloading of the question group, the terminal 1 cuts the line for a while. The terminal 1 obtains answer starting times for every question and makes a learner answer to questions and obtains the completing time of answers. When the learner interrupts the answering, the terminal 1 ends an add-in program for answer 11. Thereafter, when the add-in program 11 is restarted, answering is resumed from a question being at the interrupted position of the question group. When questions are completely answered, the terminal 1 is connected to the line to upload an answer group to the server 2.  The server 2 performs the automatic marking and the automatic analyzing of the answer group to download the marked result to the terminal 1.
Patent JP-2001039921-A (JP)
Title: Production of high purity aromatic polycarboxylic acid
Inventor: SHIGEMATSU TAKASUKE
IPC: C07C63/38
Filed: 2000-05-25
Abstract: PROBLEM TO BE SOLVED: To provide a method for industrially readily producing a high purity aromatic polycarboxylic acid having a good hue from a crude aromatic polycarboxylic acid at an inexpensive production cost by a simple construction. SOLUTION: An aliphatic amine and/or an alicyclic amine is mixed with a crude aromatic polycarboxylic acid and a solvent under such a condition that the crystal of an amine salt is precipitated, to provide the amine salt of the aromatic polycarboxylic acid. The obtained crystal of the amine salt of the polycarboxylic acid is dissolved in water, and the amine salt is decomposed to precipitate the aromatic polycarboxylic acid. The aromatic polycarboxylic acid is preferably a naphthalenedicarboxylic acid or a diphenyldicarboxylic acid.
Patent JP-2001339573-A (JP)
Title: Image read sensor and electronic device
Inventor: MIKURA KENSHI
IPC: H04N1/04
Filed: 2000-05-25
Abstract: PROBLEM TO BE SOLVED: To provide an image read sensor that can prevent occurrence of a damage of a sensor chip or an out of focus due to a change in an ambient temperature in advance and to provide an electronic device. SOLUTION: The image read sensor 10 of this invention is provided with a sensor board 11 that is fixed to and placed at a prescribed position of a base frame of an image read unit and with a reinforcement member 12 that is pressed into contact with a rear side 11 b of the sensor board 11 and placed on the base frame freely movably in a form that permits expansion/contraction along the arrangement direction of the sensor chip 13.  Furthermore, a facsimile terminal (electronic device) of this invention mounts the image read sensor 10 that is provided with the sensor board 11 that is fixed to and placed at a prescribed position of the base frame of the image read unit and with the reinforcement member 12 that is pressed into contact with the rear side 11b of the sensor board 11 and placed on the base frame freely movably in a form that permits expansion/contraction along the arrangement direction of the sensor chip.
Patent JP-2001338364-A (JP)
Title: Remote type instrument for measuring gas concentration
Inventor: NAGAHORI KENTARO
IPC: G01N27/00
Filed: 2000-05-25
Abstract: PROBLEM TO BE SOLVED: To save the labor for the calibration work of a measuring head arranged away from an indicator. SOLUTION: When a span adjustment switch commands span adjustment and standard gas is injected in a stage where a zero point adjustment mode switch is switched on and zero point correction is finished, a gas sensor 2 outputs a detection signal that is subjected to level change by the speed of response of the sensor 2 and the detection signal is stored in the storing means 34 of the indicator 30 in accordance with a sampling period. Then, the span adjustment can be performed in the measuring head 1 by reading the highest value of the means 34 and operating an increment switch and a decrement switch, and a response characteristic can also be examined without needing gas reinjection due to the change with time of the signal stored in the means 34.
Patent JP-2001339401-A (JP)
Title: Delay fluctuation eliminating control method and multiplexer utilizing the same
Inventor: ONO KIMIHIDE
IPC: H04L47/43
Filed: 2000-05-26
Abstract: PROBLEM TO BE SOLVED: To provide a delay fluctuation eliminating control method and a multiplexer utilizing the same, with which a buffer quantity for eliminating a delay fluctuation for each call origination can be automatically and immediately set and a sound quality can be prevented from being lowered. SOLUTION: This device has first delay fluctuation value adding means 35 and 49 for adding a maximum delay fluctuation value, which is to generate when transmitting a received cell, in the prescribed area of the cell, a second delay fluctuation value adding means 34 for adding a maximum delay f fluctuation value, which is to generate when reproducing original data from the received cell, in the prescribed area of the cell, a storage means 41 for storing the data part of the cell to reproduce the original data and read control means 42 and 48 for controlling the read of the data part of the cell stored in the storage means 41 according to the maximum delay fluctuation value stored in the prescribed area of the cell to reproduce the original data.
Patent JP-2001340239-A (JP)
Title: Rice washer
Inventor: ENDO KISAKU
IPC: B02B1/06
Filed: 2000-05-31
Abstract: PROBLEM TO BE SOLVED: To provide a rice washer with a simple construction capable of efficiently wash rice. SOLUTION: This rice washer comprises a rotary shaft 2 at the center of a cylindrical body 1 in the vertical attitude for accommodating wet rice grains in a drained condition and rice washing members 3, etc., extending in the radial direction so that the rice washing members 3, etc., are turned in the rice grains. The rice washing members 3, etc., are formed of blade-like flat members, and an upper flat surface 21 in contact with the wet rice grains is formed on an upper surface thereof. The gently rising angle α of inclination is given to the upper flat surface so as to be capable of passing between the wet rice grains while turning the rice grains by the friction applied between the rice grains in contact therewith.
Patent JP-2001341331-A (JP)
Title: Negative pressure generating device for ink-jet printer
Inventor: KOYAMA SATORU
IPC: B41J2/18
Filed: 2000-06-01
Abstract: PROBLEM TO BE SOLVED: To solve the problem of inability of using a small motor due to a relatively large rotation torque necessary for driving a negative pressure pump in a roller type negative pressure generating device for sucking an ink from the printing head in order to prevent choking or the like in a printing head of an ink-jet printer. SOLUTION: A curved surface part 31b of an inner wall 31a in a pump outer frame 31 of a negative pressure pump is formed with the gap with respect to the circumferential surface of a pressuring roller increased toward the connecting part with respect to a flat surface part d so that the load generated at the time of pressuring a silicone tube 52 provided in this part with the pressuring roller is alleviated.
Patent JP-2001053287-A (JP)
Title: Semiconductor device and manufacture thereof
Inventor: YAMAZAKI SHUNPEI
IPC: G02F1/136
Filed: 2000-06-02
Abstract: PROBLEM TO BE SOLVED: To reduce a parasitic capacitance between multilayer interconnections to improve a semiconductor device in display characteristics. SOLUTION: A part or all of a gate electrode overlapping with the channel forming regions 213 and 214 of pixel TFTs is superposed on second wirings (source wire or drain wire) 154 and 157 to improve a semiconductor device in numerical aperture. A first interlayer insulating film 149 and a second interlayer insulating film 150c are provided between the gate electrode and the second wirings 154 and 157, to lessen the semiconductor device in parasitic capacitance.
Patent JP-2001148472-A (JP)
Title: Semiconductor device and manufacturing method therefor
Inventor: MATSUKI TAKEO
IPC: H01L21/285
Filed: 2000-06-02
Abstract: PROBLEM TO BE SOLVED: To solve a problem such that it is difficult to provide in a short process a low-resistance contact plug which is free from a diffusion layer leakage to a memory cell part of shallow junction, or a low-resistance contact plug to a peripheral circuit of comparatively deep junction other than a memory cell part in a multi-functional semiconductor device, which includes fine memory cells. SOLUTION: An interval between gate electrodes 181 in a memory cell part 180 and another interval between gate electrodes 182 in a peripheral circuit part 190 are set so as to have a certain relation with the width of the sidewall insulating films 183 and 184 of a gate electrode, and furthermore a contact 167 is selectively bored in a memory cell part 180 first taking advantage of a stopper film 185, the base of the contact 167 is filled with a silicon layer 170, by which an optimal electrode structure can be formed on an N-type diffusion layer 164 in the memory cell part 180 and an N-type diffusion layer 165 in the peripheral circuit part 190, respectively.
Patent JP-2001351873-A (JP)
Title: Heat treatment furnace
Inventor: YOSHIKAWA ATSUSHI
IPC: H01L21/205
Filed: 2000-06-06
Abstract: PROBLEM TO BE SOLVED: To provide a heat treatment furnace which reduces the number of times of washing a quartz core tube to improve productivity and prevents contamination on a semiconductor wafer during heat treatment. SOLUTION: The thermal treatment furnace comprises a furnace body 3 which is heated by a heating means 2 and receives process gas G from the outside, a quartz core tube 5 which is stored in the furnace body 3 and has a thermal treatment instrument 4 therein for filling a heated substance, and a cover 8 which is detachably mounted on a part of an inner surface 6 of the quartz core tube 5 and is made of quartz glass, silicon, or hyperpure silicon carbide.
Patent JP-2001348535-A (JP)
Title: Metal surface coating composition and metal surface coating agent
Inventor: SAEKI KOICHIRO
IPC: C09D5/00
Filed: 2000-06-07
Abstract: PROBLEM TO BE SOLVED: To provide a metal surface coating composition capable of giving a coating film excellent in fundamental characteristics, such as adhesiveness and corrosion resistance, applicable to various purposes, and further capable of sufficiently decreasing a thickness of the coating film. SOLUTION: This metal surface coating composition contains (I) a cationic resin and/or an ampholytic resin, (II) a phosphoric acid compound, and (III) a multifunctional crosslinking agent, wherein the phosphoric acid compound (II) and the multifunctional crosslinking agent (III) are contained in amounts of 0.5-50 pts.wt. and 0.5-30 pts.wt. per 100 pts.wt. of a nonvolatile content of the cationic resin and/or the ampholytic resin (I), respectively.
Patent JP-2001347528-A (JP)
Title: Mold for molding resin
Inventor: KIMURA MIKIHIKO
IPC: B29C33/38
Filed: 2000-06-08
Abstract: PROBLEM TO BE SOLVED: To improve a quality of a resin molding by making a temperature of a mold body uniform. SOLUTION: Sintered metal layers 34A to 34F are constituted in thickness so as to be small at a supply side of a heating medium (water inlets 36A to 36F side) and large at a discharge side (drain ports 37A to 37F side), and when a site between the layers 34A to 34F of the body 31 and a cavity 50 is a cavity mold (bottoms 39A to 39F of channels), the bottoms 39A to 39F of the channels are constituted to be in thickness large at water input ports 36A to 36F side and small at drain ports 37A to 37F side.
Patent JP-2001349780-A (JP)
Title: Inductive coupling plasma spectrum analyzer
Inventor: NAKANO NOBUO
IPC: G01J3/06
Filed: 2000-06-09
Abstract: PROBLEM TO BE SOLVED: To achieve less wear in a rotating mechanism for a diffraction grating of a spectrograph for an inductive coupling plasma spectrum analyzer by sliding a contact mounted at the end of a sine bar in smooth contact with a knife edge. SOLUTION: In the rotating mechanism for the diffraction grating 1 of the spectrograph for the inductive coupling plasma spectrum analyzer, the contact surface of the contact 4 with the sine bar 3 is in the form of contact at a point on a curved face.