baber/WOPTO huggingface dataset:
Patent JP-2001044432-A (JP)
Title: Semiconductor device
Inventor: CHAUDHRY SAMIR
IPC: C30B33/00
Filed: 2000-06-23
Abstract: PROBLEM TO BE SOLVED: To provide an MOS transistor of small size, together with its manufacturing method. SOLUTION: Effects of short channel is reduced, comprising no lightly-doped drain region (LDD structure). The gate length of an MOS transistor is 1.25 μm or shorter. The MOS transistor comprises a gate oxide layer 16 which forms a flat interface without stress relative to a substrate 12. As a result, generation and adverse effects of hot carrier are avoided. With the LDD structure, the complexity of manufacturing process decreases, and the series resistance of source 14-drain 15 is reduced, for improved drive current and switching speed.
Patent JP-2002016281-A (JP)
Title: Method for manufacturing semiconductor light-receiving element
Inventor: FURUKAWA RYOZO
IPC: H01L31/107
Filed: 2000-06-29
Abstract: PROBLEM TO BE SOLVED: To realize control for preventing breakdown voltage decrease due to the arrival of a depletion layer to an electrode, and improve element reliability and high speed optical response characteristics, when a semiconductor light receiving element is constituted. SOLUTION: Simultaneous diffusion by solid phase diffusion and vapor phase diffusion for the mask 40 side of impurity elements is performed on a layer 20 of the semiconductor light receiving element, where a guard ring region is formed. Thereby control of carrier concentration distribution is performed in such a manner that a light ceiving region 32 and a guard ring region 34 where carrier concentration on the surface side of the layer 20 is lower than that of the light-receiving region are formed, and a diffusion region 38, where electric field intensity distribution can be controlled, is formed.
Patent JP-2001068407-A (JP)
Title: Method and apparatus for heat treatment of wafer
Inventor: KIN SEIKYO
IPC: G03F7/40
Filed: 2000-06-29
Abstract: PROBLEM TO BE SOLVED: To provide a method and an apparatus of heat treatment of wafers for semiconductor devices. SOLUTION: A heat-treatment apparatus for wafers provided with a plurality of spacers 30 projecting out of the upper surface of the heat-transmitting plate 20 which hold the heat-transmitting plate 20 and a wafer 9 subjected to a heat treatment through heat exchange with the above-mentioned heat-transmitting plate 20 in order to face them with each other with the wafer 9 separated from the plate 20, wherein the spacers are independent respectively with its projecting height from the upper surface adjustable in order to adjust the distance of the wafer held by the spacers from the heat-transmitting plate and the inclination of the wafer against the heat-transmitting plate.
Patent JP-2002025570-A (JP)
Title: Processing method of separator for fuel cell and fuel cell
Inventor: YARA TAKUYA
IPC: H01M8/02
Filed: 2000-07-04
Abstract: PROBLEM TO BE SOLVED: To provide a hydrophilic processing method of a separator for fuel cells, which is able to realize discharging state stabilized under atmospheric pressure conditions, by simple equipment and a small gas amount for processing. SOLUTION: In the hydrophilic processing method of the separator for fuel cells which processes the separator for fuel cells with a normal pressure discharging plasma process, the normal pressure discharging plasma process uses a process using an excitation gas blown off from between generating electrodes, or a process using the normal pressure discharging plasma generated by using the electrode having an almost the same shape surface opposite to at least either of processed surfaces. The normal pressure discharging plasma process is used to the fuel cell.
Patent JP-2002022895-A (JP)
Title: Radiation image conversion panel
Inventor: OGAWA HIROSHI
IPC: G21K4/00
Filed: 2000-07-04
Abstract: PROBLEM TO BE SOLVED: To provide a radiation image conversion panel superior in moisture resistivity and producing a high quality radiation image. SOLUTION: The radiation image conversion panel has a support body 11, a fluorescent substance layer 12 formed by a gas phase deposition method and a protection film 13 in this order. The support body 11 is ceramics, glass, or metal sheet and the protection film 13 is ceramics or glass sheet. The support body 11 and the protection film 13 in the panel are contacted at 4 side end surfaces with metal solder 14 having a lower melting point than that of the fluorescent substance layer 12 and the fluorescent substance layer 12 is sealed in.
Patent JP-2002027444-A (JP)
Title: Colored fm video transmission system
Inventor: FURUYA TOMOHIDE
IPC: H04N7/18
Filed: 2000-07-04
Abstract: PROBLEM TO BE SOLVED: To provide a colored FM video transmission system which can correct the color phase shift caused by the pass characteristics composed of the amplitude characteristic and phase characteristic of cascade-connected link amplifiers when the system transmits colored FM video signals after amplifying the signals by means of the link amplifiers. SOLUTION: The color phase control section 406 of an FM video receiver 40 can change the color phase of colored video signals outputted from an FM demodulating section 402 by a desired amount. The section 406 corrects in advance the color phase by rotating the color phase by a fixed amount corresponding to the maximum number of central controllers 20 and link amplifiers 30 connected to one main line of this colored FM video transmission system, in the direction opposite to the color phase rotating direction of generated color video signals by connecting the controllers 20 and amplifiers 30 to the main line.
Patent JP-2001340307-A (JP)
Title: Unrestricted living body data detector
Inventor: YAMAZAKI FUSAICHI
IPC: A61B5/026
Filed: 2000-06-02
Abstract: PROBLEM TO BE SOLVED: To provide an unrestricted living body data detector for confirming the presence of living body on a living body data detection mat to measure the blood flow, heart rate, respiration and bodily temperature of the living body to analyze these living body data and informing a third person of living body data recognized to be abnormal to prevent a serious accident. SOLUTION: The unrestricted living body data detector is equipped with a means for arranging sensors for detecting the heart rate and respiration of a human body during sleeping on a matrix, a means for delineating a necessary heart rate signal among signals showing living body data included in the sensors, a means for measuring the shift of one pair of heart rate signals, a means for calculating a blood flow from the shift value and the distance between the sensors, a means for two-dimensionally or three-dimensionally displaying respective living body data, a means for copying these data and a means for analyzing the abnormality of the living body data. When a person is present on the data detection mat and the analyzing result of the living body data is recognized to be abnormal, an alarm signal is outputted to report abnormality to the outside.
Patent JP-2002026903-A (JP)
Title: Network system for broadcasting data
Inventor: KUSABA TAKUO
IPC: H04L12/18
Filed: 2000-07-04
Abstract: PROBLEM TO BE SOLVED: To provide a network for utilizing a satellite, that realizes data broadcasting, allows a sender to dynamically generate a client group even just before the broadcasting of data and to freely set a distribution destination. SOLUTION: A group address is provided to a client and a port of the address is always open. A transmitter side transmits a list where a group address for data reception and specific numbers of clients are cross-referenced with each other to the client. When the client finds out its own specific number in the list, the client opens the port for the data reception group address. When the port is closed, the transmitter sends a release instruction to the address. Upon the receipt of the release instruction, the client closes the port.
Patent JP-2002022652-A (JP)
Title: Apparatus for analyzing wavelength analysis type infrared image and visible image
Inventor: TOMITA KATSUHIKO
IPC: G01N21/35
Filed: 2000-07-10
Abstract: PROBLEM TO BE SOLVED: To provide an apparatus for analyzing wavelength analysis type infrared images and visible images which can obtain images by naked eyes in a visible region and infrared two-dimensional images in the same visual field simultaneously or separately by selection. SOLUTION: A lens 2 is set on a front face of a case 1 for passing both infrared rays and visible light beams. To the rear of the lens 2, there are set an optical filter 4 having an infrared filter 4A for passing only infrared light rays of a specific wavelength region and a visible filter 4B for passing only visible light beams, and an infrared/visible integral image sensor 3 having an infrared receiving part 3A for receiving only infrared light rays and a visible receiving part 3B for receiving only visible light beams within the same plane, in this order. An infrared signal (a) and a visible signal b from the infrared/ visible integral image sensor 3 are taken into a controlling element 7 set in the case 1 synchronously with switching the optical filter 4.  Visible images and spectral infrared images processed by software in the controlling element 7 are separately or simultaneously displayed on a display part 9 set on the case 1.
Patent JP-2002021043-A (JP)
Title: Block for civil engineering works
Inventor: MATSUZAKI TSUTOMU
IPC: E02D29/02
Filed: 2000-07-13
Abstract: PROBLEM TO BE SOLVED: To obtain blocks for civil engineering works which can be produced at a low cost by effectively utilizing waste plastic materials such as waste PET bottles or the like, thereby preventing environmental destruction caused by the collection of stones on the construction site and preventing accidents caused by the run-off of floor water. SOLUTION: Each block for the civil engineering works is constituted with a box-shaped block main body for civil engineering works formed with a number of holes at least in both side walls, plastic fibers formed by heating and melting waste plastic materials such as waste PET bottles filled in the main body of the bottles for civil engineering works and then dropping and solidified to fiber shape, and a lid attached to cover the opening portion of the block main body for the civil engineering works.
Patent JP-2002031898-A (JP)
Title: Pattern forming method
Inventor: AOYAMA TOSHIYUKI
IPC: H01L21/306
Filed: 2000-07-14
Abstract: PROBLEM TO BE SOLVED: To achieve perfect etching even in a gap in pattern formation by wet etching. SOLUTION: A film to be etched such as a silicon dioxide film 12 is deposited on a substrate 11, a resist 13 is applied and a pattern is formed by lithography. A film 14 of an acyric acid polymer or the like soluble in a hydrofluoric acid etching solution is formed on the resist 13. Since the etching solution is not repelled by the resist and penetrates to the lower part of the fine pattern while dissolving the film 14, the objective fine pattern free from an unetched part even in a narrow region 17 to be etched is formed by wet etching.
Patent JP-2002032739-A (JP)
Title: Binarization processor
Inventor: KUSHIBUCHI TAKAO
IPC: H05K3/00
Filed: 2000-07-17
Abstract: PROBLEM TO BE SOLVED: To accurately binarize height data H read out of a substrate 1. SOLUTION: This processor is equipped with distance measuring means 7, 9, and 10 which measure and write pieces of height data at respective positions on the top surface of the substrate to a height data file 11, an area dividing means 12 which divides the pieces of height data in the height data file corresponding to respective small areas 11a, a histogram generating means 13 which generates a histogram 16 of the pieces of height data belonging to the respective areas, a slit detecting means 17 which decides whether or not a slit is present in each small area according to the histogram, a threshold calculating means 19 which calculates thresholds (d) from the histogram in each of small areas wherein no slit is detected, and a binarization processing means 21 which binarizes the pieces of height data of the small areas by using the thresholds of the small areas.
Patent JP-2002033470-A (JP)
Title: Photoelectric converter and its fabricating method
Inventor: NOMURA KEIICHI
IPC: H04N5/335
Filed: 2000-07-17
Abstract: PROBLEM TO BE SOLVED: To enhance the C-V characteristics by planarizing a semiconductor layer. SOLUTION: The fabrication method of photoelectric converter where a part for converting an optical signal into an electric signal and a part for switching on/off the read-out of a signal based on the converted electric signal or the electric signal are fabricated in the same process comprises a first step for making thin the semiconductor layer at the switch part out of the semiconductor layers provided at the photoelectric converting part and the switch part, a second step for oxidizing the vicinity of the surface of the thinned semiconductor layer, and a third step for removing the oxidized part of the semiconductor layer.
Patent JP-2002031927-A (JP)
Title: Image forming device
Inventor: FUKAO TAKESHI
IPC: G03G15/16
Filed: 2000-07-18
Abstract: PROBLEM TO BE SOLVED: To provide an image forming device capable of improving the degree of freedom in arranging position for detecting means. SOLUTION: In a copying machine 1 provided with an intermediate transfer belt 31 making the toner image in plural colors being primarily transferred from a photoreceptor drum 9 so as to be overlapped, respectively, the belt mark 81 disposed on the rear side of the intermediate transfer belt 31, and an optical sensor 83 for optically detecting the belt mark 81, when a tension roller 49 is made shifted in the outside/inside direction of the intermediate transfer belt 31, a distance between the optical sensor 83 and the intermediate transfer belt 31 is kept to be specific, by means of shifting the optical sensor 83 while associating with this shift.
Patent JP-2002031331-A (JP)
Title: Liquid fuel combustion device
Inventor: KUWAKO SHIGERU
IPC: F23N1/00
Filed: 2000-07-19
Abstract: PROBLEM TO BE SOLVED: To provide a vaporizing type liquid fuel combustion device for reducing generation of a smell by suppressing the generation of unburnt gas at its extinguishing. SOLUTION: The liquid fuel combustion device comprises a closed-end cylindrical vaporizing cylinder 3, to the tip of which a burner head 16 is attached and the internal part of which forms a vaporizing chamber 4; a fuel nozzle part 7 having a fuel nozzle 7A through which liquid fuel is injected in the vaporizing chamber 4 of the vaporizing cylinder 3; a fuel pump 8 to feed liquid fuel to the fuel nozzle part 7 via an oil transfer pipe 6; and a motor-driven on-off valve mechanism 30 to open the fuel nozzle 7A during operation of the fuel pump 8 and close the fuel nozzle 7A during the stoppage of the operation of the fuel pump 8.
Patent JP-2001100965-A (JP)
Title: Print approving method of digital image
Inventor: PATTON DAVID LYNN
IPC: G07F17/42
Filed: 2000-07-21
Abstract: PROBLEM TO BE SOLVED: To select a desirable image at a remote place and to approve the formation and printing of a postage stamp using the image at a station having received a selected image file. SOLUTION: The method for approving the formation of an image 30 on an image reception body such as a postage stamp at a receiving station 80 includes a step wherein a digital image file is electronically sent to the receiving station 80 over a channel and the digital image file includes at least one digital image and authentication request information for the formation of the image on the image reception body.  This method further includes a step for receiving the digital image file by the receiving station, displaying at least one received digital image, checking the displayed digital image and judging whether or not its contents can be accepted to form the image, checking the authentication request information, and printing the acknowledged digital image on the image reception body at a specific position according to the sent digital image when the authentication request information is approved.
Patent JP-2002036999-A (JP)
Title: Seat provided with air bag device
Inventor: UMEZAWA FUMIO
IPC: B60R21/20
Filed: 2000-07-24
Abstract: PROBLEM TO BE SOLVED: To promptly mount an air bag extendably and expandably under appropriate expansion pressure of the air bag without being affected by quality of material of a trim cover or the like. SOLUTION: A trim cord 9 is covered over the front part side of an air bag device 1, and is wrapped in from one side part to the bottom part side. A holder 10 is assembled from the other side part of the air bag device 1 to the bottom part side, and the trim cord 9 is connected to the holder 10 by inserting and engaging a hook stopper pawl 9a in/with an inserting hole 10a. An air bag is positioned extendably and expandably from a breaking part 90 of the hook stopper pawl 9a, and the air bag device 1 is enveloped with the trim cord 9 and the holder 10 and mounted on a seat frame 4.
Patent JP-2002037772-A (JP)
Title: Method for racemizing optically active dioxopyrrolidine derivative
Inventor: YAMAURA MAKIKO
IPC: C07B55/00
Filed: 2000-07-25
Abstract: PROBLEM TO BE SOLVED: To solve the problems that an optically active dioxopyrrolidine derivative has a high production cost because circulation as a raw material liquid into an optical resolving step cannot be carried out for use. SOLUTION: The optically active dioxopyrrolidine derivative represented by the following general formula (I) [wherein * denotes the R-isomer or the S-isomer; R denotes a 1-5C straight-chain or a 1-5C branched alkyl group; X denotes hydrogen atom, amino group, benzylamino group, (benzyloxycarbonyl) amino group, (t-butoxycarbonyl)amino group or pyrrole group], together with an amine, is heated in an alcohol solvent [with the proviso that the alcohol having the same alkyl group as the R in the general formula (I) is used].
Patent JP-2002042667-A (JP)
Title: Plasma display panel and method of manufacturing the same
Inventor: OOTA TATSUKI
IPC: H01J11/46
Filed: 2000-07-26
Abstract: PROBLEM TO BE SOLVED: To provide a method of manufacturing a plasma display panel capable of solving such problems that, if an interval between opposed substrates at a sealed part is reduced more than that at a display in a sealing process of a plasma display panel, a clearance may be produced between a barrier rib forming the display and the substrates opposed to each other and, when the clearance is left in a final product, vibration noise is emitted due to an impact of discharge. SOLUTION: Columns 5 allowed to abut on both substrates 1 and 2 opposed to each other to make equal a distance between the opposed substrates to the distance of the opposed substrates at the display are installed between the sealed part 40 installed around the peripheral part of the plasma display panel and the display part 10 having the barrier rib 3. The sealed part 40 is baked with a load applied at an intermediate position between the columns 5 and the display 10.
Patent JP-2002042188-A (JP)
Title: Parking lot information dispensing system
Inventor: FUKUDA SHINJI
IPC: G06Q50/10
Filed: 2000-07-21
Abstract: PROBLEM TO BE SOLVED: To provide a system dispensing information such as a parking time and the like after parking a vehicle in a parking lot to a user. SOLUTION: A portable card type terminal 6 is prepared in the parking lot 1, and the user receives the terminal in use of the parking lot. In this terminal, parking time information controlled by a management means 3 is displayed. Observing the time information displayed on the terminal, the user can return to the parking lot before a fare rises. On the approach of the end of a valid time, this is informed to the user through voice and the like. The card can carry a parking space position guiding function. When a server is arranged in the parking lot, a reservation service and the like can be carried out for the user having a cellular phone.
Patent JP-2002039232-A (JP)
Title: Disc brake
Inventor: MAEHARA TOSHIFUMI
IPC: F16D55/224
Filed: 2000-07-27
Abstract: PROBLEM TO BE SOLVED: To decrease a rate of brake torque, transmitted through a caliper guide mechanism 3, of brake torque occurring on an outer pad 5 through structure consisting of a support 1 and a caliper 2. SOLUTION: Engaging protrusions 31 and 31 formed on a support 1 supported at the non-rotation part of a car body are engaged with the edges of through- holes 4 formed in yokes 39, of which the caliper 2 consists. Brake torque occurring to an outer pad 5 during braking is transmitted to the support 31 through either of the engaging protrusion parts 31 from the edge of the through-hole 4 and supported at the non-rotation part of the car body.
Patent JP-2002039327-A (JP)
Title: Door for water gate
Inventor: YAMASHITA HIDETOSHI
IPC: F16H55/02
Filed: 2000-07-27
Abstract: PROBLEM TO BE SOLVED: To provide a maintenance-free door for a water gate preventing pollution of an installation environment. SOLUTION: In one embodiment of a rack type door for a water gate, in which a door is raised and lowered by the vertical movement of a rack 4 operated by a gear transmission mechanism, the gears 11, 15, 22, and 23 of the gear transmission mechanism and shafts 3 and 12 are subjected to high frequency quenching for heat treatment, after which they are subjected to electroless nickel plating to enhance corrosion and wear resistance. The toothed surfaces of the gears are coated with a solid lubricant or subjected to compound plating process to enhance initial conformability and wear resistance. The shafts 12 and 13 are supported by a bearing 10 in which thermally setting grease is sealed, together with bearing balls. This arrangement makes the door oil-free and maintenance-free. Contamination by lubricating oil is also avoided.
Patent JP-2001058088-A (JP)
Title: Portable game machine
Inventor: ARAI KAZUO
IPC: G06F3/033
Filed: 2000-08-01
Abstract: PROBLEM TO BE SOLVED: To provide a portable game machine which is capable of embodying a comfortable operation environment by efficiently utilizing limited operation members. SOLUTION: This portable game machine 1 includes a case 2, a liquid crystal panel 3 which is mounted at the case 2, a direction instruction device 6 which is mounted at the case 2 and has pushbutton switches 6a to 6d lined up in vertical and lateral directions of the liquid crystal panel 3 and a game controller which executes the game according to prescribed procedures. When a player is requested for certain selection, a selection screen arranged with plural icons visually associated with selection candidates at the point of this time in the same lining-up way as that of the pushbutton switches 6a to 6d is displayed on the liquid crystal panel 3. When any of the pushbutton switches 6a to 6d is operated, the succeeding processing is progressed by making judgment that the icon of the position corresponding to the operated pushbutton switch is selected.
Patent JP-2002047766-A (JP)
Title: Waterproofing and flame-retardant construction method for civil engineering and building works
Inventor: OSADA HIDEHARU
IPC: C09K3/18
Filed: 2000-08-02
Abstract: PROBLEM TO BE SOLVED: To provide a waterproofing and flame-retardant construction method which is able to pass the flying sparks tests when the term of works is short and the load is small. SOLUTION: An FRP sheet is adhered as a waterproof layer to the building frames of civil engineering and architectural structures and then heatless glass compositions are coated to the surface of the FRP sheet in this method.