baber/WOPTO huggingface dataset:
Patent KR-20020072507-A (KR)
Inventor: PARK SOO SUNG
IPC: C08K7/00
Filed: 2002-07-11
Abstract: PURPOSE: Provided is a method for producing a molding material of melamine resin which is inexpensive and has good quality and biodegradability by using existing equipment. CONSTITUTION: The method comprises the steps of: (i) introducing formaldehyde and water and adjusting a pH of the mixture to 8.0-8.5 with 10% aqueous calcium hydroxide, (ii) adding melamine to the mixture and heating the mixture until the temperature of the resin is 90 deg.C to obtain a melamine resin solution in the form of resol, (iii) adding pulp as filler and ammonium chloride as hardening agent to melamine resin and kneading the mixture to obtain a melamine resin, (iv) drying and milling the melamine resin, and (v) adding introducing a plasticizer, releasing agent, and pigment to the resin and granulating the resin mixture. The method is characterized in that 1-5 parts by weight of melamine resin novolac, and 20-40 parts by weight of bran powder consisting of 60-70 wt% of bran powder having particle size of 50 mesh or more and 30-40 wt% of bran powder having particle size of 120 mesh or more, with respect to 100 parts by weight of the dried and milled melamine resin, are added together with the plasticizer, releasing agent and pigment.
Patent KR-20040009683-A (KR)
Title: Ion implantation apparatus
Inventor: CHO HYEON GON
IPC: H01J37/30
Filed: 2002-07-24
Abstract: PURPOSE: An ion implantation system is provided to prevent the protection portion for supporting the filament from being short-circuited during the ion implantation process. CONSTITUTION: An ion implantation system comprises an arc chamber(110); a filament(120) arranged in the arc chamber, and which emits thermal electrons for generating ion beams; a pair of protection portions(130) connected to both ends of the filament, respectively, so as to fix the filament; and an insulator interposed between the protection portions and the inner wall of the arc chamber, wherein the insulator prevents occurrences of short circuiting between the protection portions. The insulator includes a pair of insulators(140a,140b) interposed between the protection portions and the inner wall of the arc chamber.
Patent KR-20040009756-A (KR)
Title: Six-side inspection system for surface mounted chip
Inventor: CHA YEONG TAK
IPC: H01L21/66
Filed: 2002-07-25
Abstract: PURPOSE: An apparatus for inspecting appearances of six sides of a surface mount chip is provided to inspect six sides of the surface mount chip by using only one inspection device. CONSTITUTION: An apparatus for inspecting appearances of six sides of a surface mount chip includes a chip feeder(100), a plurality of chip inspection units(A-F), the first and the second disks(D1,D2), and a chip selection ejector. The chip feeder(100) is used for storing a plurality of surface mount chips and supplying the chips. The chip inspection units(A-F) are for inspecting appearances of the surface mount chips. The first and the second disks(D1,D2) are used for transferring the surface mount chips after the inspecting process is performed. The chip selection ejector is used for classifying and ejecting the surface mount chips according to an inspected result.
Patent KR-20040013203-A (KR)
Title: Method for forming metal line of semiconductor device
Inventor: CHO JIK HO
IPC: H01L21/3205
Filed: 2002-08-05
Abstract: PURPOSE: A method for forming a metal interconnection of a semiconductor device is provided to guarantee the resistance between a metal interconnection and a plate by forming a contact hole region for the first metal interconnection in a plate formation reticle without adding a mask process. CONSTITUTION: A lower metal interconnection(33) is formed on a semiconductor substrate(31). The first interlayer dielectric(35) is formed on the semiconductor substrate including the lower metal interconnection. After a plate pattern(37) is formed on the first interlayer dielectric, the first contact hole is formed inside the plate pattern. The second interlayer dielectric including a void in the contact hole is formed on the plate pattern with the contact hole and the first interlayer dielectric. The second interlayer dielectric is planarized until the void is exposed. The planarized second interlayer dielectric and the first interlayer dielectric under the planarized second interlayer dielectric are selectively patterned to form the second contact hole(47) exposing the upper surface of the lower metal interconnection. A pre-cleaning process is performed to eliminate the first interlayer dielectric inside the first contact hole. An upper metal interconnection(49) in contact with the plate pattern and the lower metal interconnection is formed on the resultant structure including the first and second contact holes.
Patent KR-20040013699-A (KR)
Title: Low Noise Amplifier switching module device of the base station receiving circuit
Inventor: KIM JONG TAE
IPC: H04B7/155
Filed: 2002-08-08
Abstract: PURPOSE: A module device for switching an LNA(Low Noise Amplifier) of a base station receiving circuit is provided to integrate LNAs installed on a base station receiving circuit end with one switching module having a preliminary amplifier, and to switch into the preliminary amplifier when one of the LNAs fails, thereby magnifying maintenance of a sector-type base station. CONSTITUTION: The first to the third duplexing receiving modules(3A-3C) consist of many duplexers(2A-2F) for separating receiving call signals only from signals inputted/outputted through many antennas(1A-1F). An LNA switching module(4) amplifies the receiving call signals outputted from the first to the third duplexing receiving modules(3A-3C) by connecting LNAs on rear ends of the receiving modules(3A-3C), and switches failed LNAs. Distributors(6A-6F) distribute each receiving output signal outputted by each receiving path(5A-5C) from the LNA switching module(4), and output the distributed signals by each receiving paths(5A-5C). Many up/down converters(7A-7F) down-convert the receiving output signals at frequency levels, and output the down-converted signals, respectively. A channel processing board(8) routes call signals inputted/outputted by each receiving path(5A-5C) from the up/down converters(7A-7F). A switching module controller(9) confirms that a failure alarming signal is generated from the integrated LNAs, and controls a switching function of the LNAs.
Patent KR-20040015894-A (KR)
Title: A packed-bed bioreactor for producing high concentration spores and culturing method thereby
Inventor: HONG SEOK IN
IPC: C12M1/38
Filed: 2002-08-14
Abstract: PURPOSE: A packed-bed bioreactor for producing high concentration spores through solid cultivation and a culturing method using the same are provided, thereby inhibiting the reduction of microorganism growth area, prevention of ventilation, and accumulation of metabolism heat, and consequently producing high concentration spores over the bioreactor. CONSTITUTION: A packed-bed bioreactor for producing high concentration spores through solid cultivation comprises a housing(15) with an air inlet(11) in its lower part and an air outlet(12) in its upper part; two sieves(13, 14) installed in the inner lower part of the housing for supporting a solid medium; the solid medium packed in the upper part of the sieves for supplying a habitat of microorganisms; a plurality of thermocouples(18, 19, 20, 21, 22, 23, 24, 25) installed in the inner side wall and upper wall of the housing for detecting the inner temperature of the solid medium; and a jacket(16) using a water bath(17) installed along the outer wall of the housing for controlling the inner temperature of the housing.
Patent KR-20040017911-A (KR)
Inventor: YOON SEONG HOE
IPC: G02F1/1335
Filed: 2002-08-22
Abstract: PURPOSE: A liquid crystal display device is provided to realize the high brightness and the high contrast color of a transmissible liquid crystal display device by using cholesteric liquid color filters. CONSTITUTION: A liquid crystal display device includes cholesteric liquid crystal color filters(CCF;202) formed between the first and second substrates(100,200) with pitch controlled to selectively reflect left-circular polarized light of a predetermined wavelength. The CCFs are formed by stacking cholesteric liquid crystal patterns respectively reflecting left-circular polarized light of different wavelengths per pixel(PR,PG,PB). A twist nematic liquid crystal layer(204) is stacked on the CCFs, and the first polarization plate(102) is formed on the first substrate. The second linear polarization plate(210) and a phase difference plate(208) are formed between the liquid crystal layer and the CCF layers. The second substrate is provided with a CLC polarizer(206) formed of cholesteric liquid crystal as the third polarization plate and a backlight(300) in sequence under the second substrate.
Patent KR-20040021108-A (KR)
Inventor: CHO JEONG SUN
IPC: H01L21/50
Filed: 2002-09-02
Abstract: PURPOSE: A loader port is provided to recognize the presence of wafer within a wafer carrier by using a wafer transfer unit including a vacuum sucking unit and a vacuum sensor. CONSTITUTION: A loader port includes a wafer transfer unit(20), a vacuum sucking unit(21), and a vacuum sensor in order to load a wafer carrier(1) for storing wafers(2). The wafer transfer unit(20) is inserted under the wafer(2) of the lowest end of the wafer carrier. The vacuum sucking unit(21) and the vacuum sensor are formed at a front end of the wafer transfer unit(20). The presence of the wafer is recognized by the vacuum sucking unit(21) and the vacuum sensor when the wafer transfer unit(20) comes in contact with the wafer(2).
Patent KR-20030022715-A (KR)
Title: High-strength steel wire excelling in resistance to strain aging embrittlement and longitudinal cracking, and method for production thereof
Inventor: HIRAGA NORIAKI
IPC: B21B3/00
Filed: 2002-09-09
Abstract: PURPOSE: To provide a high strength steel wire which has high strength and sufficient ductility, and is therefore has excellent strain age embrittlement resistance and longitudinal crack resistance, and to provide a production method therefor. CONSTITUTION: The high strength carbon steel wire has chemical components containing, by mass, 0.75 to 1.20% C, 0.1 to 1.5% Si, 0.3 to 1.2% Mn, <=0.02% P, <=0.02% S, <=0.005% Al and <=0.008% N, and the balance Fe with inevitable impurities, and has a worked pearlitic structure, and has a wire diameter D (mm) of 0.15 to 0.4 mm. Further, lamellar cementite in the structure is amorphous, and the surface layer is provided with a metallic lubricating film consisting of one kind of metal selected from Cu, Ni and Zn or the alloys of the same metals as the main phase, and, provided that C% is expressed by £C|, its tensile strength satisfies 3500xD¬-0.145 MPa to (3500xD¬-0.145+87x£C|¬-5) MPa.
Patent KR-20040023950-A (KR)
Title: detection apparatus for steering angle in vehicle
Inventor: LEE YEONG GWON
IPC: B62D15/02
Filed: 2002-09-12
Abstract: PURPOSE: A device for detecting a steering angle of a vehicle is provided to decrease the minimum detection angle and to precisely detect the current steering angle even though power is cut off and then is returned. CONSTITUTION: A device for detecting a steering angle of a vehicle comprises a shaft gear(50) inserted in the outside of a steering shaft(40) of the vehicle; a first conversion gear(52) engaged with the shaft gear at a predetermined gear ratio; a second conversion gear(54) coaxially combined to the first conversion gear; a third conversion gear(56) engaged with the second conversion gear at a predetermined gear ratio; a fourth conversion gear(57) engaged with the third conversion gear; a fifth conversion gear(58) coaxially combined to the fourth conversion gear; a detection gear(59) engaged with the fifth conversion at a predetermined gear ratio; a permanent magnet(60) installed to a shaft of the detection gear, to produce a rotating magnetic field; a magneto resistive sensor installed near the upper part of the permanent magnet; and an operation/control unit operating a detected signal supplied from the magneto resistive sensor by a predetermined program and operating the rotation direction and the rotation angle of the steering shaft.
Patent KR-20040024289-A (KR)
Title: Method for personal information management using external memory set in network system
Inventor: PARK JONG SEOP
IPC: G06F15/00
Filed: 2002-09-13
Abstract: PURPOSE: A method for managing personal information on the network by using an external storage is provided to remove a hacking risk by encrypting/storing the personal information in a server on the network and to use the personal information stored in the server even if a client environment is changed. CONSTITUTION: A tag for input is monitored by analyzing an HTML(Hyper Text Markup Language) document transmitted from a web server(S10). It is judged that an input item is existed in the HTML document(S20). In case that the input item is existed, it is judged that a URL(Uniform Resource Locator) of the web server is stored in a memory of the external storage(S30). In the case that the URL of the web server is stored in the memory of the external memory, the personal information, an ID, and a password matched with the URL are extracted from the memory of the external storage(S40). An agent program automatically inputs the ID and the password into the input item included in the HTML document(S50).
Patent KR-20030025199-A (KR)
Title: Reduced-pressure drying unit and coating film forming method
Inventor: HAMA MANABU
IPC: B05D3/04
Filed: 2002-09-18
Abstract: PURPOSE: A reduced-pressure drying unit is provided to improve uniformity of a film thickness by preventing a rounded shape or an accumulated portion of a coating solution at a peripheral region of a substrate and by making a coating film uniform in thickness. CONSTITUTION: A mount(41) for mounting a substrate coated with a coating solution made by mixing a component of the coating film and a solvent is installed in a hermetic container(4). A vacuum exhauster is connected to the hermetic container through an exhaust passage for reducing a pressure in the hermetic container to vaporize the solvent from the coating solution on the substrate. A current member is provided to face a front face of the substrate mounted on the mount. A current member raising and lowering mechanism(53) raises and lowers the current member. When the current member is raised and lowered to change in height position while the pressure inside the hermetic container is reduced to vaporize the solvent from the coating solution on the substrate, a liquid flow of the coating solution on the substrate is controlled, so that the film thickness of a film of the coating solution is controlled.
Patent KR-20040025117-A (KR)
Title: Pipe welding device having a function of preventing oxidation
Inventor: KIM BYEONG GIL
IPC: B23K9/16
Filed: 2002-09-18
Abstract: PURPOSE: A pipe welding device having an oxidation prevent function is provided to prevent a welding section from being oxidized by shielding a rear surface of the welding section from an atmosphere. CONSTITUTION: A pipe welding device includes a base(1). A roller(39) for moving a pipe(61) is rotatably coupled to the base(1) by means of a bracket(37). A support block(2) is vertically installed adjacent to the base(1). The support block(2) is aligned lengthwise along the pipe(61) in such a manner that a main shaft(27) is rotated in vertical to the support block(2). A driven gear(30) is coupled to the other end of the main shaft(27). The driven gear(30) is engaged with a driving gear(29) driven by a driving motor(28) fixed to an upper surface of the support block(2). A shaft is inserted into the main shaft(27) by interposing a bearing.
Patent KR-20040026162-A (KR)
Title: Keypad of a cellular phone
Inventor: JU YEONG JIN
IPC: H04B1/38
Filed: 2002-09-23
Abstract: PURPOSE: A keypad of a portable wireless terminal is provided to be detachably configured in a body of a portable wireless terminal, and to separate the keypad inserted into the body when foreign substance sticks to a rubber upper side of the keypad, thereby cleaning the keypad with a more clean method. CONSTITUTION: A display(10) consists of an LCD unit(11) and a telephone receiver(12). A keypad(20) is covered with the display(10), and has key buttons for inputting telephone numbers of other parties. A body(30) builds a PCB(31) therein for forming a speech path by pressing the keypad(20). The keypad(20) is separated from the body(30) with screws. The keypad(20) is separately inserted into an inner side of the body(30). The keypad(20) comprises as follows. A keypad plate forms many key button holes. Many key buttons are coated with coating films(23) protruded by being inserted into the key button holes. A keypad rubber integratedly forms contact projections in lower direction on lower ends of the key buttons.
Patent KR-20040032229-A (KR)
Title: Managing system for short message
Inventor: LEE HYO GUK
IPC: H04W4/14
Filed: 2002-10-08
Abstract: PURPOSE: A system for managing a short message is provided so that a user of a mobile phone connects to a user account of a server always and confirms the short message transmitted and received by the user by storing the short message transmitted and received by the user in the user account of the server. CONSTITUTION: The first mobile phone(10) transmits a short message by the key operation of a user. The second mobile phone(15) receives the short message transmitted from the first mobile phone(10) through a BTS(Base Transceiver System)(20). When the short message is transmitted from the first mobile phone(10), a BSC(Base Station Controller)(30) grasps account information of the user of the first mobile phone(10). The BSC(30) grasps the short message and account information of a user of the second mobile phone(15), and transmits the short message and account information of the user of the second mobile phone(15) to a server(40). The server(40) stores the short message transmitted from the BSC(30) in a corresponding storage of each user account.
Patent KR-20030035946-A (KR)
Title: Ion implanting method and apparatus
Inventor: IWASAWA KOJI
IPC: C23C14/48
Filed: 2002-10-25
Abstract: PURPOSE: To provide an ion implantation method or the like, by which a plurality of implantation regions having different level of dose each other on the surface of a substrate are formed without forming regions of excess level of dose, and a width of a transient region of dose can be narrowed while preventing the decrease in the beam current, and additionally, the control operation is simple. CONSTITUTION: This ion implantation method combines a reciprocating scan of an ion beam 4 in the X-direction with a mechanical reciprocating drive of the substrate 2 in the Y-direction orthogonal to the X-direction. By changing the speed for driving the substrate 2 at the center 2a of the substrate 2, the substrate 2 is subjected to the ion-implantation process where the implantation is performed a plurality of times dividing the substrate into two implantation regions of different amount of dose, and when the substrate 2 is not subject to the ion beam 4 in the interim period of each implantation process, the substrate 2 is rotated once by a prescribed angle around its center 2a.
Patent KR-20040036405-A (KR)
Title: apparatus for detecting level
Inventor: KIM TAE DONG
IPC: G01C9/18
Filed: 2002-10-25
Abstract: PURPOSE: A level measurement apparatus is provided to prevent a fault during a semiconductor manufacturing process by precisely measuring a level of semiconductor manufacturing equipment. CONSTITUTION: A level measurement apparatus(180a) mainly includes a tube(100) containing first and second fluids(120,140) therein, and a position checking line(160) for checking a movement of second fluid(140) contained in the tube(100). The tube(100) has a ring shape and an upper surface of the tube(100) has a semi-spherical shape. The tube(100) is made from soft transparent material. The first fluid(120) has high viscosity and specific gravity. The second fluid(140) is preferably made from material, which is not dissolved in the first fluid(120).
Patent KR-20030003145-A (KR)
Inventor: JANG SEOK WON
IPC: H01L23/36
Filed: 2002-10-29
Abstract: PURPOSE: A method for manufacturing a cooler having heat-pipe-sink for chip module of electronic equipment is provided to simplify a process for heat-pipe-sink by fabricating the first and second blocks through a die casting method wherein the first block functions as a heat absorbing portion of the heat sink and the heat pipe and the second block functions as a heat radiating portion of the heat sink and the heat pipe. CONSTITUTION: The first block is fabricated which has the first space in which the heat absorbing portion of the heat pipe can be formed(S10). The second block is fabricated which has the second space in which the heat radiating portion of the heat pipe connected to the heat absorbing portion can be formed(S20), including a hole through which the inside and outside of the second space can be communicated. A plurality of heat radiating pins protrude to the outside of the second space. The first and second blocks are welded together so that the first and second spaces can be interconnected(S30). The inside of the heat pipe becomes vacuum through the hole(S50). A functioning fluid is injected into the heat pipe through the hole(S60). The hole is sealed up(S70).
Patent KR-20020097085-A (KR)
Title: Novel Serratia marscens mutants having activities for plant growth promotion and damping-off control
Inventor: BUYER JEFFREY S
IPC: C12N1/20
Filed: 2002-10-30
Abstract: PURPOSE: Provided are novel Serratia marcescens mutants, N4-5 and N1-8 which have antagonistic activities on Pythium spp. and Fusarium spp. and thus promote plant growth and control damping-off 75-100%. CONSTITUTION: Serratia marcescens mutants, N4-5(KCCM 10434) and N1-8(KCCM 10433) are separated from roots of a cucumber seedling and dissolve chitin in a plate medium. The Serratia marcescens mutants promote plant growth and control damping-off.
Patent KR-20040040145-A (KR)
Title: Method of creating Book Mark with user joining information
Inventor: KIM DU IL
IPC: G06F17/00
Filed: 2002-11-06
Abstract: PURPOSE: A method for generating a bookmark having the user connection information is provided to improve a browsing speed and convenience when a user connects to a desired URL through the bookmark by automatically arranging/displaying the URLs registered to the bookmark according to a connection frequency. CONSTITUTION: A URL connection frequency information table is generated in a storing module by using the URL information registered to the bookmark. If the user connects to the URL by using a browser, a bookmark controlling module judges that the URL is present in the URL connection frequency information table(S102). In case that the URL is present, the connection frequency is updated by adding the connection frequency of the URL in the URL connection frequency information table(S103).
Patent KR-20030044795-A (KR)
Title: Nonvolatile semiconductor memory device and manufacturing method thereof
Inventor: KOBAYASHI TAKASHI
IPC: H01L27/115
Filed: 2002-11-22
Abstract: PURPOSE: To make a non-volatile semiconductor memory device minute or highly reliable. CONSTITUTION: The non-volatile semiconductor memory device is constituted of a source/drain diffusion layer 105 in a p-type well 101 formed on a silicone substrate 100, a first gate or a floating gate 107b, a second gate or a control gate (word line) 110a and a third gate 103a. The thickness of a tunnel insulation film 106a is made larger compared with that of a gate insulation film 102 in a memory cell, in which the floating gate 107b is separated from the p-type well 101 by the tunnel insulation film 106a, the third gate 103a is separated from the p-type well 101 by the gate insulation film 102, the floating gate 107b is separated from the third gate 103a by the insulation film 106b, the floating gate 107b is separated from the word line (control gate) 110a by an insulation film (ONO film) 109a and the third gate 103a is separated from the word line (control gate) 110a by a silicone oxide film 104b respectively.