baber/WOPTO huggingface dataset:
Patent JP-2001284353-A (JP)
Title: Method of manufacturing semiconductor device
Inventor: HIROHAMA KAZUHIRO
IPC: H01L21/768
Filed: 2000-03-30
Abstract: PROBLEM TO BE SOLVED: To solve the problem that recesses are formed to deteriorate the step coverage of a wiring layer formed thereafter, resulting in the wire breaking of wirings, etc., and reduction in wiring reliability. SOLUTION: The semiconductor device forming method comprises a step of forming a layer insulation film 2 and connection holes 3 on a semiconductor substrate 1, forming an adhesion layer 4 on the insulation film 2 by sputtering, depositing a W film 5 on the entire surface using CVD method, dry etching back to fill only the connection holes 3 with conductive plugs composed of a W film 6 and an adhesion layer 7, depositing a silicon oxide film 9 on the upsides of the insulation film 2 and the W film 6 by CVD including recesses 8, etching back the entire surface of the silicon oxide film 9 by RIE to fill a silicon oxide film 10 in the recesses 8 and planarizing, forming a wiring layer on the entire surface by sputtering, and dry etching to form a wiring 15.
Patent JP-2001281744-A (JP)
Title: Camera
Inventor: ITO TORU
IPC: G03B17/02
Filed: 2000-03-30
Abstract: PROBLEM TO BE SOLVED: To improve the degree of freedom in the design of outside appearance without making the thickness of a camera large. SOLUTION: The front cover 16 of the camera is constituted of two parts, that is, a front cover base part 31 and a cover plate 32. Thus, the degree of freedom in the design of the outside appearance of the camera such as color separation or shape or the like is improved. The base part 31 is constituted of a frame part 41 formed to surround the side surface of a camera main body part, a grip part 42 and a supporting part 46 supporting a part of the inner surface of the plate 32. The front of the base part 31 is made an aperture part 47 except a supporting surface 46a and the grip part 42. The plate 32 is attached to cover the aperture part 47. Since a part where the plate 32 and the base part 31 are superposed is small, the thickness of the front cover 16 does not get large.
Patent JP-2001281178-A (JP)
Title: Defect detecting method, manufacturing method of semiconductor device, and defect detector
Inventor: FUJII TAKAYOSHI
IPC: H01J37/22
Filed: 2000-03-30
Abstract: PROBLEM TO BE SOLVED: To provide a defect detecting method capable of accurately detecting a minute defect on a substrate by using a simple device. SOLUTION: Pattern data corresponding to a portion having a pattern formed thereon and background data corresponding to a background are detected from image data in an imaging area of an SEM(scanning electron microscope) 20. By performing calculation, based on the pattern data and the background data, an appropriate threshold can be set. The SEM image data is binarized by using the threshold to perform defect detection.
Patent JP-2001283154-A (JP)
Title: Device and method for separating connective character and computer readable recording medium stored with program for allowing computer to execute the same method
Inventor: ONISHI MASATOSHI
IPC: G06K9/34
Filed: 2000-03-30
Abstract: PROBLEM TO BE SOLVED: To directly and accurately separate connective characters without setting any character separation range. SOLUTION: This device is provided with a peripheral distribution calculating part 11 for calculating peripheral distribution by counting the pixels of characters at each scanning position of connective characters, a circumscribed width calculating part 12 for calculating circumscribed width by calculating the intervals of the pixels of the characters at the both ends at each scanning position of the connective characters, a local linear density calculating part 13 for calculating local linear density on the basis of the intervals of the character linear edges adjacent to the XY directions of each pixel as each scanning position of the connective characters, a feature value calculating part 14 for calculating a feature value by adding the peripheral distribution, circumscribed width, and local linear density at each scanning position,  and a separation controlling part 10 for deciding the scanning position with the minimum valve among the feature values calculated by the feature value calculating part 14 as the separating position.
Patent JP-2001283489-A (JP)
Title: Magnetic recording and reproducing device
Inventor: HONJO KENICHI
IPC: G11B15/467
Filed: 2000-03-31
Abstract: PROBLEM TO BE SOLVED: To solve the problems with the conventional system, such as the generation of noise in the images right after starting by the deterioration of the pull-in position accuracy by the start of a capstan motor and the problems, such as large damage on tapes and the entailment of the deterioration of the tapes. SOLUTION: A tape position detecting circuit 11 detects a present tape position by the FG signal detected by an FG detector 4 and the CTL signal detected by a CTL head 12. A start-speed shift signal control circuit 70 outputs the start timing signal of a capstan motor 2 in accordance with the detected tape position and a speed reference generating circuit 50 outputs a speed reference signal by increasing the speed gradually from start timing to a target speed in accordance with the start timing signal. A speed error detecting circuit 90 detects a speed error from a speed reference signal and the FG signal and a capstan control circuit 6 controls the operation of the capstan motor 2 according to the speed error.
Patent JP-2001283595-A (JP)
Title: Non-volatile semiconductor memory and erasing method for data of non-volatile semiconductor memory
Inventor: OBA ATSUSHI
IPC: G11C16/34
Filed: 2000-03-31
Abstract: PROBLEM TO BE SOLVED: To provide a flash memory in which an erasion time is shortened. SOLUTION: Processing of steps S2, S3 are performed such that an erasing pulse is applied before the erasing pulse is applied per block unit, further, batch write-in before erasion is performed. Thereby, as distribution width of threshold voltage is made narrow and the number of memory transistors to which over- erase-verify must be performed is decreased, total erasion time can be reduced.
Patent JP-2001280075-A (JP)
Title: Thrust reducing device for propulsion pipe
Inventor: MIYAHARA TSUYOSHI
IPC: E21D9/06
Filed: 2000-03-31
Abstract: PROBLEM TO BE SOLVED: To expand the void around a propulsion pipe during the jacking work so as to prevent an increase of propulsion resistance caused by the shrinkage of the void and to reduce thrust. SOLUTION: This propulsion pipe is a composite pipe formed with a concrete propulsion pipe body 1 and a steel protective pipe 2 applied on its outer periphery. A plurality of slits 5 and 5' are provided at the prescribed interval in the peripheral direction on the protective pipe 2, rubber lugs 7 and 7' inserted into the slits 5 and 5' are protruded from the inner diameter face side of the protective pipe 2, and their base parts 9 and 9' are fixed between the protective pipe 2 and the propulsion pipe body 1. Lubricant injection holes 13 and 13' are provided behind the lugs 7 and 7', and the void is expanded by the lugs 7 and 7'.
Patent JP-2000357201-A (JP)
Title: Method and device for data management and recording medium with data management program recorded
Inventor: SHODA YUKIE
IPC: G06Q50/00
Filed: 2000-04-03
Abstract: PROBLEM TO BE SOLVED: To obtain a data management device which protects digital literary works which are delivered through a network without the addition of control information like right information. SOLUTION: A data form discrimination part 103 takes out distributed contents from the outside or reads out non-ciphered contents from a recording medium by user's choice. In the case of a 'CD', a data registration part 104 enciphers contents to write them in a data storage part 106 and reads out right information from a data form-classified right management table 102 to write the data ID, encryption information, right information, and the file name in a data management table 105 and writes encryption information and right information in the data storage part 106.
Patent JP-2001281904-A (JP)
Title: Electrophotographic transfer sheet
Inventor: TOKIYOSHI TOMOFUMI
IPC: G03G7/00
Filed: 2000-04-03
Abstract: PROBLEM TO BE SOLVED: To provide an electrophotographic transfer sheet having no blister and high gloss in both of the white paper part and the image part in which a sharp image can be formed. SOLUTION: In the electrophotographic transfer sheet having a sheet type substrate, a surface transparent resin layer and a back side pigment coating layer, the air permeability measured on the top face side (according to J.TAPPI No.5) is controlled to >=140,000 see while the air permeability on the back face side is controlled to 120,000 to 20,000 sec, and the inner coupling force (according to J.TAPPI 54-93) is controlled to >=0.05 kJ/m2.
Patent JP-2001292152-A (JP)
Title: Network system
Inventor: KAJIMA MASAYUKI
IPC: H04L12/44
Filed: 2000-04-05
Abstract: PROBLEM TO BE SOLVED: To improve data transfer efficiency of a network system. SOLUTION: When respective terminals 12 desire to transmit and receive data with each other, nodes 14 connected with the respective terminals transmit token packets TK, having communication connection information on communication connection between the terminals to each other, only when obtaining a token right TK. Next, after confirming that communication connection is enabled by the communication connection information of this packet TP, the respective node 14 make the respective terminals 12 start the transmission and reception of data DA.
Patent JP-2001222638-A (JP)
Title: Procedure for recording and providing mutual evaluation information on transactor in business through information communication network
Inventor: FUJITA YASUSHI
IPC: G06Q50/00
Filed: 2000-03-03
Abstract: PROBLEM TO BE SOLVED: To provide a function of helping a transactor to make a judgment regarding the confidence of a customer before a new transaction is started by using information recorded through an information communication network. SOLUTION: A function is provided which records evaluations regarding the past transaction contents of transactors as to the attitudes and transaction results of the transactors by using the information communication network and a database, and enables a new transactor to refer to the records at need.
Patent JP-2001296350-A (JP)
Title: Detection/estimation method of sound ranging sensor and apparatus therefor
Inventor: OKUDA TAKAHIRO
IPC: G01S7/526
Filed: 2000-04-13
Abstract: PROBLEM TO BE SOLVED: To provide a detection/estimation method of a sound ranging sensor which efficiently and highly accurately measures a propagation loss of a plurality of points and a sound velocity and an apparatus therefor. SOLUTION: This detecting/estimating apparatus 1 is comprised of an input part 31 to which a depth where the detection/estimation is carried out is inputted, a position-monitoring part 32 for monitoring a position and a depth of a plurality of sensor buoys 21-2n each having a wave transmission part 2b and a wave reception part 2c incorporated in one sensor buoy, a wave transmission control part 33 for controlling transmitting sound waves by each sensor buoy, a propagation loss/sound velocity-calculating part 35 for calculating the propagation loss and the sound velocity from transmitted wave data and received wave data inputted to a data input part 34 and a display part 36 for displaying data of the estimation result.
Patent JP-2001298867-A (JP)
Title: Protector
Inventor: YOSHIKAWA TOKIHIRO
IPC: H01M10/44
Filed: 2000-04-10
Abstract: PROBLEM TO BE SOLVED: To provide a protector which detects the overcharge of a lithium ion secondary battery and also automatically discharges an overcharged lithium ion secondary battery. SOLUTION: The fuse 6 of a fuse 5 fitted with a resistor is connected and also a negative DC input terminal 2 and a negative DC output terminal 4 are connected, between a positive DC input terminal 1 and a positive DC output terminal 3. One end of the resistor 7 of the above fuse 5 fitted with a resistor is connected to the secondary side of the above fuse 6, and the other end of the resistor 7 is connected to the input end of negative DC through a transistor 14 of a switching means. Further, the anode of a Zener diode 12 which constitutes the abnormality detection means 11 of a lithium ion secondary battery 16 being load is connected to the output terminal 3 of DC, and the other end of a current limiting resistor 13 is connected to the base of the above transistor 14.
Patent JP-2000355091-A (JP)
Title: Container moldable improved polyester sheet and heat- resistant polyester molded article using the same
Inventor: IDE NOBUHIRO
IPC: C08L67/02
Filed: 2000-04-14
Abstract: PROBLEM TO BE SOLVED: To provide an improved polyester sheet having container moldability and a heat-resistant molded article and container molded article obtained by thermally molding the sheet and heat-setting the same. SOLUTION: A polyester sheet consists of 89-below 98.5 wt.% of a polyethylene terephthalate resin with an intrinsic viscosity of 0.75 dl/g or more, 1-8 wt.% of a polyolefin resin, 0.5-below 3 wt.% of a polyester elastomer and below 1 wt.% of a modified polyolefin resin. In this case, the polyester sheet with a heat shrinkage factor of 2-8% is used and thermally molded so that a degree of crystallization becomes 10-40% to obtain a heat-resistant heat-set polyester molded article.
Patent JP-2001146240-A (JP)
Title: Bag
Inventor: YAMAMOTO YOSHIHITO
IPC: B65D30/02
Filed: 2000-04-17
Abstract: PROBLEM TO BE SOLVED: To provide a bag which has a shielding characteristic, a high barrier characteristic equal to aluminum relative to oxygen, moisture, etc., and is kind to environment. SOLUTION: On the bottom face 2B of a polyethylene terephthalate film 2, a clear deposit film 1 is deposited, and on the bottom face 2B of the film 1, a polyethylene film 6 whose top face is lightly colored and bottom face darkly colored is either welded or adhered for forming a laminated sheet A. A bag is formed using the laminated sheet with its polyethylene terephthalate film 2 side outside.
Patent JP-2001308766-A (JP)
Title: Communication system for underwater navigating object and self-propelled repeater for the same
Inventor: WATANABE TOMOHIRO
IPC: H04B7/26
Filed: 2000-04-18
Abstract: PROBLEM TO BE SOLVED: To provide a communication system for an underwater navigating object capable of performing multi-intercommunication in a large area, and to provide a self-propelled repeater for the same. SOLUTION: The communication system for underwater navigating object is provided with an underwater navigating object 5 navigating underwater, a mother ship 3 performing the control of the underwater navigating object 5, and a self-propelled repeater 4 to propell near a water surface, receive data transmitted by radio wave communication from the mother ship 3, transmit the received data to the under water object 5, receive data transmitted from the underwater object 5, and transmit them to the mother ship 3 by radio wave communication. According to the constitution, the self-propelled repeater 4 can relay communication between the mother ship 3 and the underwater object 5, and can perform multi-intercommunication in a wide range.
Patent JP-2001303670-A (JP)
Title: External wall panel and unit building making use thereof
Inventor: MATSUDA KAZUMICHI
IPC: E04B1/348
Filed: 2000-04-20
Abstract: PROBLEM TO BE SOLVED: To solve a problem of variations in accuracy capable of facilitating the mounting of an external wall panel mounted to a recessed corner part of a unit building. SOLUTION: A metal thin plate 23 is included on the surface, an inorganic non-combustible material 24 is included on the rear, at the same time, the external wall panel 22 filled with a foam 25 between the metal thin plate 23 and inorganic non-combustible material 24, and the external wall panel 22 formed in an L-shape in a plane view is mounted to the recessed corner section 21 of the unit building.
Patent JP-2001305223-A (JP)
Title: Inter-vehicle distance measurement device
Inventor: OTA TAMOTSU
IPC: G01S17/93
Filed: 2000-04-21
Abstract: PROBLEM TO BE SOLVED: To provide a low-cost inter-vehicle distance measurement device capable of measuring a distance without using a high-speed arithmetic circuit. SOLUTION: In this inter-vehicle distance measurement device, a current signal as a reception signal outputted by a photodiode 25 that is a light reception part for a reflected infrared light is converted into a voltage signal by a conversion circuit 27 and is dealt as a medium measuring the distance. Thereby, the inter-vehicle distance can be calculated on the basis of prescribed relation between a voltage value gotten from the voltage signal and the inter-vehicle distance by use of a correlation table between set voltage values and inter- vehicle distances previously set in an arithmetic circuit 23. Accordingly, the inter-vehicle distance measurement device requires no high-speed arithmetic circuit and uses the low-cost arithmetic circuit 23 to reduce a device cost.
Patent JP-2001304870-A (JP)
Title: Piezoelectric vibration gyro
Inventor: ONO NAGAYUKI
IPC: G01C19/5663
Filed: 2000-04-21
Abstract: PROBLEM TO BE SOLVED: To provide a highly-reliable piezoelectric vibration gyro easy to assemble, suitable for automatization, resistant to vibration or shock coming from the exterior, and free from breakage of wire or change in characteristics. SOLUTION: Metallic support members 14 are fixed with solder onto belt-like electrodes corresponding to nodal point lines of a piezoelectric vibrator 1 or to the proximity thereof. Input/output terminal pins 16 formed on a frame-shaped base block 15 are inserted into through holes 12 formed in metal sheets 10, and a support made of a soft elastic molding 9 is fixed with solder onto each of the metal sheets 10. Then, the support members 14 are inserted into terminal insertion grooves in the elastic moldings 9.
Patent JP-2001200380-A (JP)
Title: Etching agent for copper or copper alloy
Inventor: OKADA MASAO
IPC: C23F1/18
Filed: 2000-04-24
Abstract: PROBLEM TO BE SOLVED: To provide an etching agent by which the problems of the stability of the liquid composition and odors are solved, and also, the etching rate of 0.1 μm/min or more can be exhibited and moreover to provide an etching agent by which corrosiveness is extremely low even the etching agent remains on the surface in the case the etching agent is used for microetching, and moreover, roughened surface can be formed. SOLUTION: This etching agent for copper or a copper alloy is composed of an aqueous solution containing alkanolamine of 5 to 50 wt.%, a copper ion source of 0.2 to 10 wt.% as metallic copper, a halogen ion source of 0.005 to 10 wt.% as halogen and an aliphatic carboxylic acid of 0.1 to 15 wt.%, and in which the ratio of alkanolamine to 1 mol of aliphatic carboxylic acid is 2 mol or more.
Patent JP-2001308616-A (JP)
Title: Lc resonator
Inventor: GOTO TAKASHI
IPC: H03B5/12
Filed: 2000-04-25
Abstract: PROBLEM TO BE SOLVED: To provide an LC resonator which is free from producing carbide on a circuit board due to laser beams heating when trimmed, and features of which are satisfactorily maintained. SOLUTION: In the intermediate layer of a multilayer circuit board (20) laminated with glass-ceramic-based ceramic insulators, there is incorporated an internal layer conductor (2) composing the inductor of LC oscillation circuit. To make a laser beam directly irradiate the internal layer conductor (2), a surface layer conductor (5) forming a grounded section on the multilayer circuit board (20) and an opening (24) on the opposite insulator faced with the surface layer conductor (5) are molded to expose the internal layer conductor (2) of the portion to be trimmed, thus the inductance value of the internal layer conductor (2) is adjusted depending on the cutting of it by a laser beam trimming locus (23).
Patent JP-2001308196-A (JP)
Title: Insulating gate type semiconductor device
Inventor: YOSHIDA KIYOTERU
IPC: H01L29/12
Filed: 2000-04-25
Abstract: PROBLEM TO BE SOLVED: To realize a semiconductor device of an insulating gate type which has a high breakdown voltage and a high resistance to noise by using a compound semiconductor of a GaN-group. SOLUTION: A p-GaN layer 4 (second semiconductor layer) is buried in an n--GaN layer 3 (first semiconductor layer) and a source region is formed in the p-GaN layer 4. At the same time, an n+-GaN layer 5 (third semiconductor layer) for regulating a length L of a channel region which is formed in the p-GaN layer 4 is buried. Also, an n+-GaN layer 6 (fourth semiconductor layer) composing a drain region is buried in the n--GaN layer 3 with a distance from the p-GaN layer 4, thereby realizing a semiconductor device which composes an insulating gate structure of GaN group. Then, an p-n junction diode 10 which is connected in parallel between a gate and a source is formed between the n+-GaN layer 5 and the n+-GaN layer 6 in the semiconductor layer composing the insulating gate structure of GaN group.
Patent JP-2001304377-A (JP)
Title: Blade attaching-structure of torque converter
Inventor: FUJIMOTO YUKINORI
IPC: F16B5/07
Filed: 2000-04-26
Abstract: PROBLEM TO BE SOLVED: To provide a blade-attaching structure for attaching the blade, constituting a turbine runner of a torque converter, interposed between a shell and a core without calking tabs, unlike the conventional technique. SOLUTION: A slit hole 7 and locking pieces 8a, 8b are formed in the shell and core 6. Tabs 4a, 4b, formed in the blade 1, are inserted into the slit hole 7 so that the tabs 4a, 4b and locking pieces 8a, 8b are energized elastically to each other.
Patent JP-2001303119-A (JP)
Title: Method for dephosphorizing molten iron
Inventor: HINO YUTA
IPC: C21C7/064
Filed: 2000-04-27
Abstract: PROBLEM TO BE SOLVED: To efficiently perform a dephosphorizing treatment at high speed while suppressing a decarburizing reaction accompanying the dephosphorizng treatment of molten iron. SOLUTION: In the dephosphorizing method of the molten iron, the dephosophorizing treatment performed by blowing an oxidizing agent together with carrier gas into the molten iron uses an iron oxide-containing material as the oxidizing agent. The dephosphorizing treatment is performed so that the ratio Q2/Q1 of the flow rate Q2 of carrier gas and the supplying quantity Q1 of the oxidizing agent into the molten iron is >=0.10.
Patent JP-2001313271-A (JP)
Title: Method for manufacturing semiconductor
Inventor: FUJIMOTO TAKAYUKI
IPC: H01L21/285
Filed: 2000-04-27
Abstract: PROBLEM TO BE SOLVED: To realize a method for manufacturing a semiconductor having suitable conditions of film forming a ruthenium on a wafer according to an MOCVD method by obtaining a good coverage without reducing a film forming speed. SOLUTION: The method for manufacturing the semiconductor comprises the steps of maintaining the wafer 21 at a film forming temperature of 250 to 350 deg.C by a suscepter 20, and sending a liquid raw material (raw material concentration of 0.1 to 1 mol/liter) obtained by dissolving a Ru (EtCp)2 in an organic solvent at a flow rate of 0.1 to 10 cc/min to a vaporizer 22. The method further comprises the steps of supplying an oxygen of a concentration of 1 to 30% by the vaporizer 22 together with another carrier gas from a gas jet port 25 into a reaction chamber 17. The method also comprises the step of depositing the ruthenium on the wafer 21 with a gap between the wafer 21 and a shower head 26 of 1 to 20 mm at a pressure in the chamber 17 of 666 to 6664 Pa (5 to 50 Torr). Thus, the film forming speed can be set to 1 nm/min or more, and the coverage can be set to 40% or more.