baber/WOPTO huggingface dataset:
Patent KR-20020021816-A (KR)
Title: Method for forming a capacitor of a semiconductor device
Inventor: KANG TAE UNG
IPC: H01L21/3105
Filed: 2000-08-31
Abstract: PURPOSE: A method for forming a capacitor of a semiconductor device is provided to prevent a loss of a height of a lower electrode and to prevent the lower electrode from being sharpen in an etch-back process, by using a chemical mechanical polishing(CMP) process in forming the lower electrode. CONSTITUTION: A cell region and a peripheral region are defined in a semiconductor substrate(100). The first insulation layer is formed on the substrate. A plug(107) is formed in a portion of the first insulation layer corresponding to the cell region. The second and third insulation layers are sequentially formed on the first insulation layer. A portion of the third insulation layer(111) corresponding to the peripheral region is etched by a predetermined depth so that the third insulation layer corresponding to the peripheral circuit region becomes thinner than the third insulation layer corresponding to the cell region. A thin film for a hard mask(119) is formed on the third insulation layer and is patterned to form the hard mask. Predetermined regions of the second and third insulation layers are sequentially etched to form a hole exposing the plug. A conductive layer is formed on the third insulation layer and in the hole. A CMP process is performed until the upper surface of the third insulation layer is exposed. A portion of the third insulation layer corresponding to the cell region is removed.
Patent KR-20020019687-A (KR)
Title: Fiber optic transceiver for a wavelength division multiplexing system
Inventor: KIM CHANG WON
IPC: G02B6/293
Filed: 2000-09-06
Abstract: PURPOSE: An optical transmission/reception apparatus for wavelength division multiplexing system is provided to process a broad frequency band by multiplexing an optical signal to an optical fiber link. CONSTITUTION: An optical transmission portion(320) is a bias circuit(324), a laser diode(328), an auto power controller(326), and an impedance matching circuit(322). The bias circuit(324) provides bias current to the laser diode(328). The laser diode(328) outputs an optical signal of a predetermined wavelength according to the bias current and an output sense signal to the auto power controller(326). The auto power controller(326) outputs a power compensation signal to compensate for a power difference. An optical reception portion(330) is formed with a photo diode(336), a bias circuit(334), a low noise amplifier(332), an impedance matching circuit(340), and an attenuator(338). A wavelength division multiplexer/demultiplexer(350) multiplexes the optical signal of the laser diode(328) to an optical fiber link(380) and outputs the optical signal of the optical fiber link(380) to the photo diode(336) of the optical reception portion(330).
Patent KR-20020019837-A (KR)
Title: Adhesive Memo goods
Inventor: CHOI JUN SEUNG
IPC: G06F1/16
Filed: 2000-09-07
Abstract: PURPOSE: A memo tool holder having a paper gripper is provided to keep memo paper and writing materials with a minimum of volume and to form a paper gripper together in a single unit. CONSTITUTION: A paper gripper(100) is assembled with a memo tool holder(200) so as to be detached from the memo tool holder(200). The paper gripper(100) is composed of a vertical suspension(110), a horizontal suspension(120), and a clip(130). The cross-sectional area of the vertical suspension(110) is so wide that it is inserted into a suspension insertion tube part(230) formed at the memo tool holder(200). The horizontal suspension(120) is connected at a right angle with the vertical suspension(110) at the upper part of the vertical suspension(110). The memo tool holder(200) is composed of a memo paper keeping part(210), a writing material keeping tube part(220), and the suspension insertion tube part(230). The memo paper keeping part(210) consists of an advertising plate(211) and a memo paper pad keeping plate(212). The writing material keeping tube part(220) and the suspension insertion tube part(230) are formed with the memo paper keeping part(210) in a single unit.
Patent KR-20020020551-A (KR)
Title: Apparatus for pulse sequence generation using Shift Register
Inventor: KIM MIN HYEONG
IPC: H03K5/156
Filed: 2000-09-09
Abstract: PURPOSE: A pulse train generator using a shift register is provided to generate a single pulse having a width of T and a pulse train having a period of N(N-1) using an N bit shift register and (N-1) bit shift register. CONSTITUTION: A bit shift controller(31,32,33,34) designates a shift start location of an external pulse train. A first D-flip flop(31) receives a reference clock and an input pulse. A second D-flip flop(32) receives a non-inverting output of the first D-flip flop(31) and a logic 1 through clock and input terminals thereof, respectively. An inverter(33) inverts a non-inverting output of the second D-flip flop(32). A first AND gate(34) ANDs an output of the inverter(33) and a non-inverting output of the first D-flip flop(31). A bit shift section(35,36,37,38,39) bit-shifts the external pulse train from the shift start location and generates a pulse train having a predetermined period. A first OR gate(35) ORs an output of the first AND gate(34) and an output of an (N-1) bit shift register(37). A second OR gate(36) ORs an output of the AND gate(34) and an output of an N bit shift register(38). The (N-1) bit shift register(37) receives an output of the first OR gate(35) and a reference clock. The N bit shift register(38) receives an output of the second OR gate(36) and the reference clock. A second AND gate(39) ANDs outputs of the (N-1) bit shift register(37) and N bit shift register(38).
Patent KR-20020025340-A (KR)
Title: Electrode for Preventing Gas Cross Over for Molten Carbonate Fuel Cell
Inventor: JANG GIL HONG
IPC: H01M4/86
Filed: 2000-09-28
Abstract: PURPOSE: An electrode for a melted carbonate fuel battery is provided, to isolate the path connecting gases for preventing the crossover of gases even if the pressure difference of gases crossing the matrix/electrolyte is too much. CONSTITUTION: The melted carbonate fuel battery comprises electrode assemblies comprising a cathode(20), an anode(10), a matrix containing electrolyte placed between the cathode and the anode and a current collecting plate; and separators separating the electrode assemblies, wherein the electrodes(the cathode and the anode) contains a gas leakage layer(11, 21). The thickness of the gas leakage layer is 1/3 of the thickness of the cathode and the anode. Preferably the gas leakage layer(11, 21) comprises a nickel-aluminium-based alloy.
Patent KR-20020027996-A (KR)
Title: method for manufacturing of semiconductor device
Inventor: KIM PIL SEUNG
IPC: H01L21/28
Filed: 2000-10-06
Abstract: PURPOSE: A method for fabricating a semiconductor device is provided to reduce contact resistance between an upper electrode and a metal interconnection, by preventing the upper electrode from being over-etched while a bit line comes in contact with the metal interconnection. CONSTITUTION: The bit line(33) is formed in a predetermined region on a semiconductor substrate(31). A plurality of conductive plugs(35) penetrate the first oxide layer(34) and are electrically connected to the semiconductor substrate. A nitride layer(36) and the second oxide layer(37) are formed on the semiconductor substrate. A cylindrical lower electrode penetrate the second oxide layer and the nitride layer, and is electrically connected to each conductive plug. The second oxide layer is selectively removed to define a contact region. A dielectric layer(42) and an upper electrode(43) are sequentially formed on the lower electrode including the contact region. The third oxide layer(44) is formed on the semiconductor substrate. The third oxide layer, the second oxide layer, the nitride layer and the first oxide layer are selectively removed to form a contact hole so that a predetermined portion of the surface of the upper electrode and bit line in the contact region is exposed. A metal barrier layer(47) is interposed in the contact hole to form a tungsten plug(48). The metal interconnection(49) electrically connected to the tungsten plug is formed.
Patent KR-20020030397-A (KR)
Title: system for dispersedly processing advertisements and synthetically unifying each processing system in a computer network system
Inventor: SONG YU JIN
IPC: G06F17/00
Filed: 2000-10-17
Abstract: PURPOSE: A system for distribution and integration process of AD(Advertisement) on a network is provided to maximize the efficiency and to remove the bottleneck at a low cost without a separate backup device and middleware. CONSTITUTION: The system comprises a plurality of AD web servers(60) executing a corresponding command by receiving a command and AD data from the Adqupid server(70) and displaying an AD file of specific web site on a user computer(10), the Adqupid server having a plurality of AD web servers as a client, controlling the AD web servers not to collide each other, storing/updating/deleting the AD file in the AD database(71) and maintaining the AD database(61) same as the AD database(71), an integrating management server(80) having a plurality of Adqupid server, controlling the Adqupid servers not to collide each other, storing/updating/deleting the AD file in the AD database(81) same as the AD database(71), and storing/updating/deleting the corresponding AD database(71) by interposing to other Adqupid server.
Patent KR-20010000855-A (KR)
Title: Roof-mounted luggage carrier for car
Inventor: LEE SEONG TAI
IPC: B60R9/04
Filed: 2000-10-23
Abstract: PURPOSE: A roof-mounted luggage carrier for a car is designed for not only transporting luggage but also installing an equipment to protect the car from sunlight, rain and frost. CONSTITUTION: Two support legs(A,B) paired symmetrically, are produced to have shape like a roof panel of a car. Two longitudinal grooves(A1,A2) are cut out from the each support leg(A,B) to fasten with luggage rack bars(D,E). To fasten, lock knobs and hooks(D) are made on the support legs(A,B) and the luggage rack bars(D,E). Lids(A5) having bolt holes(A3) for double mounting and magnets to close the lids(A5), are at the both ends of the support legs(A,B). On the bottom of the each support leg(A,B), two holes(C1) for bolting or double-sided Urethane adhesive tapes(C2) are equipped.
Patent KR-20020031798-A (KR)
Title: Tail gate absorbing apparatus for hatch-back car
Inventor: CHO GUK HYEON
IPC: B60J5/10
Filed: 2000-10-24
Abstract: PURPOSE: A vibroisolating device of a tail gate of a hatchback is provided to effectively absorb vibration during a travel, to prevent the displacement of a tail gate, and to easily open the tail gate by using the elasticity of a leaf spring. CONSTITUTION: A tail gate vibroisolating device is installed between a tail gate(2) and a body(3) to absorb vibration when the tail gate is opened and closed. The vibroisolating device comprises a first vibroisolating unit(110) fixed on the tail gate, a second vibroisolating unit(120) rotatably combined to the body via a hinge(120a), and a leaf spring(130) to elastically pressurize the second vibroisolating unit. When the tail gate is closed, the second vibroisolating unit elastically contacts to the first vibroisolating unit by the leaf spring. To open the tail gate, the second vibroisolating unit rotates counterclockwise. Thus, the tail gate is opened easily.
Patent KR-20010076221-A (KR)
Title: Semiconductor device and method of manufacturing the same
Inventor: HORITA KATSUYUKI
IPC: H01L29/78
Filed: 2000-10-24
Abstract: PURPOSE: To realize a MOSFET, which can increase its on-current and can reduce its off-current, by a method, where the threshold voltage of the ends of a channel region is made low in comparison with the threshold voltage of the center of the channel region. CONSTITUTION: In a MOSFET 201, the value of a unit capacitor, which is formed by a gate electrode 13 and the surface of a semiconductor substrate 1 via a second gate insulating film 10, can be made higher than that value of a unit capacitor, which is formed by the gate electrode 13 and the surface of the substrate 1 via first gate insulating films 7. As the dielectric contact of a silicon nitride film, which is used for films 7, is higher than the dielectric constant of a silicon oxide film, which is used for the film 10, it is easy to obtain this relation between the sized of the above two-unit capacitors.
Patent KR-20020032852-A (KR)
Title: User access-inducing system and method thereof using message service
Inventor: SHIN DONG CHAN
IPC: G06Q50/30
Filed: 2000-10-27
Abstract: PURPOSE: A system and method for inducing a user connection are provided to enhance a community by inducing a web site connection of a subscriber who uses a mobile communication service. CONSTITUTION: A connection inducement code creating server generates a random number by operating an internal random number generating unit, and generates a connection inducement code capable of being drawn using the random number and a connection inducement code capable of not being drawn(S100). The connection inducement code creating server transmits the connection inducement code to a character message creating device and a voice message creating device through a message transmitting device and transmits a winning code to a winning confirmation server(S110). The character message creating device and the voice message creating device convert the connection inducement code into data form adapt for transmitting to a plurality of mobile communication terminals and transmits the converted data(S120). If a user who received a message including connection inducement code information transmits a signal for connecting to a user certification server, the user certification server makes a service supplying server transmit a user certification web page to the user terminal(S130). If the user wishes to joins to the system, the user certification server transmits a member joining web page to the user terminal(S132). The user certification server permits a connection by comparing user certification information with data stored in a member information database(S140,S150). The winning confirmation server is linked with the user terminal, and receives the connection inducement code and user's mobile telephone number(S160). The winning confirmation server judges whether the connection inducement code is stored in a winning number code database or not(S170). If the connection inducement code is stored in a winning number code database, the winning confirmation server notifies a prize winning to the user terminal(S180).
Patent KR-20010000927-A (KR)
Inventor: JEON DUG GOAN
IPC: H04L12/66
Filed: 2000-10-28
Abstract: PURPOSE: A method for controlling a telephone interfaced with a computer is provided to make firmware of the telephone identify whether a web document exists, when a user logs onto a specific web site, and to directly connect a telephone number designated through a local line with the user, when the user clicks a banner presented on the web document or the telephone number, so that the user can easily make a call with the telephone without downloading a specific application program. CONSTITUTION: If an internet user logs onto a specific web site, firmware of a telephone interfaced with a computer initializes a system and decides whether a DHTML(Dynamic Hypertext Markup Language) document exists in the web site. If so, the firmware decides whether a ringer signal of the telephone exists, and informs that a termination request is generated in the web document(DHTML document), then informs the web document of a state change. If the user dials in the web site, the firmware controls a DTMF(Dual Tone Multi Frequency) tone encoder, to connect the user with the telephone to maintain a call. If the user requests an incoming/outgoing cancellation, the firmware cuts off a connection between the telephone and a local line.
Patent KR-20020034350-A (KR)
Title: Object lens device with high numerical aperture and optical pickup device adopting the same
Inventor: JUNG SEUNG TAE
IPC: G02B13/18
Filed: 2000-11-01
Abstract: PURPOSE: An objective lens and an optical pickup device applying the same are provided to implement a high NA(Numerical Aperture) of objective lens with one lens type, so that high density information recording and reproducing are performed. CONSTITUTION: An objective lens focuses light from a light source on a recording medium. A light detector receives light reflected from the recording medium. And an optical path changing unit changes an optical path arranged on a light progressing path between the objective lens and the light source. The objective lens includes a lens body(110) having a predetermined effective diameter(Re) and an NA over 0.7. In the lens body, a first plane(S1) of a light incident side or a light exit side in aspheric by having a first basic curvature and a second plane(S2) in a light incident side or a light exit side by having a second basic curvature are arranged on both sides thereof. And a distance(D) between the first plane and the second plane on an optical central axis is made to be larger than a WD(Wording Distance) between the second plane and a hyperplane by light passing the lens body.
Patent KR-20020034751-A (KR)
Title: Metal cathode and indirectly heated cathode assembly having the same
Inventor: AHN JI HUN
IPC: H01J9/04
Filed: 2000-11-03
Abstract: PURPOSE: A metal cathode and a heat-sink type cathode structure having the same are provided to enhance capacity of electron emission and lengthen a lifetime of the metal cathode by improving a structure of metal cathode. CONSTITUTION: A metal cathode(11) for electron tube is used in a heat-sink type cathode structure. The metal cathode(11) is formed on an upper portion of a sleeve(15) by using a welding method. A heater(13) is mounted in the sleeve(15). The metal cathode(11) is used as a thermion emission material of the heat-sink type cathode structure. The metal cathode(11) is formed with barium of 3 to 20 wt%, one or more high melting point metal of 0.01 to 20 wt% selected from a group including niobium, osmium, molybdenum, tantalum, tungsten, and rhenium, and platinum of the remaining wt%.
Patent KR-20020035968-A (KR)
Title: Repositionable perfume sheet
Inventor: JUNG GYEONG PYO
IPC: C09J7/04
Filed: 2000-11-07
Abstract: PURPOSE: Provided is an adhesive sheet emitting fragrance continuously during storing and using and also emitting a large amount of fragrance temporarily, which can be used for office supplies, fancy supplies, postal supplies, and etc. CONSTITUTION: The adhesive sheet emitting fragrance comprises a primer layer(4) and a repositionable adhesive layer(5) spread on one side of a substrate(3) and a release layer spread on the other side of the substrate(3), wherein the release layer contains 100pts.wt. of a release agent(2) and 2-10pts.wt. of fragrance capsules(1) having a particle size of 1-5 micrometer. The release agent(2) is selected from C16-C20 polymer wax, a copolymer of acrylic acid and alkyl acrylate, and polyvinyl ester. And the fragrance capsules(1) contain at least two selected from the group consisting of rosemary, eucalyptus, basil, pine fragrance, lavender, lemons, peppermint, jasmine, roses, oranges, and etc.
Patent KR-20020036151-A (KR)
Title: Gap measuring apparatus for using semiconductor fabricating equpiment
Inventor: JIN GYEONG HWAN
IPC: H01L21/66
Filed: 2000-11-08
Abstract: PURPOSE: A gap measuring apparatus in equipment for fabricating a semiconductor is provided to remarkably shorten an interval of time needed to control a gap and to precisely control the gap, by installing the gap measuring apparatus which can measure and control the gap between a heater block and a shower head. CONSTITUTION: A measuring tip(210) is closely attached between the first and second electrode by elastic force. A measuring module(240) detects the movement of the measuring tip which moves as one of the first and second electrodes moves and generates an analog signal. An analog/digital converter(ADC) converts the analog signal generated from the measuring module to a digital signal. A central processing unit(CPU) processes the converted digital signal. A display unit(270) displays the digital signal processed by the CPU.
Patent KR-20020038226-A (KR)
Inventor: CHOI HAE CHANG
IPC: C22C38/60
Filed: 2000-11-17
Abstract: PURPOSE: A method for manufacturing steel plate having superior toughness in weld heat-affected zone by nitriding treatment is provided, which is characterized in that TiN is diffused in base steel homogeneously and around the TiN precipitates, CuS is precipitated. CONSTITUTION: The method for manufacturing the steel plate with low nitrogen content for welded structure comprises the processes of manufacturing a steel slab comprising 0.03 to 0.17 wt.% of C, 0.01 to 0.5 wt.% of Si, 0.4 to 2.0 wt.% of Mn, 0.005 to 0.2 wt.% of Ti, 0.0005 to 0.1 wt.% of Al, 0.005 or less wt.% of N, 0.0003 to 0.01 wt.% of B, 0.001 to 0.2 wt.% of W, 0.1 to 0.5 wt.% of Cu, 0.03 wt.% or less of P, 0.03 or 0.05 wt.% of S, 0.005 wt.% or less of O, a balance of Fe and other inevitable impurities; heating the steel slab within the temperature range of 1000 to 1250°C for 60-180 minutes so that N content in the steel slab become 0.008-0.03% while satisfying 1.2<=Ti/N<=2.5, 10<=N/B<=40, 2.5<=Al/N<=7, 6.5<=(Ti+2Al+4B)/N<=14; hot rolling the heated steel slab at a reduction ratio of higher than 40% over austenite recrystallization zone; and cooling the hot rolled steel sheet to the ferrite transformation finish temperature±10°C at a cooling rate of higher than 1°C/min.
Patent KR-20020039578-A (KR)
Title: Cleaning Device
Inventor: JUNG JOONG KYO
IPC: A47L13/20
Filed: 2000-11-22
Abstract: PURPOSE: A cleaning tool is provided to furnish a rotatable handle assembly which is easily rotated and maintained in a proper position while operating the cleaning tool. CONSTITUTION: A cleaning tool includes a head(200) and a handle assembly(300). The head(200) has a rectangular plate shape. Rectangular shaped coupling holes(201) are formed at both sides of a center portion of the head(200). A plurality of handle supporting holes(202) are formed at a center of the coupling holes(201). A flap type rag supporting head(200), a brush head, a sponge head, a scrubber head, or a blade head is selectively formed at an upper portion of the head(200). The handle assembly(300) includes a rod made of a pipe, a handle(341) coupled to an end of the rod so as to easily grip the cleaning tool, a rotating member(330) to which the rod is rotatably coupled, and a handle supporting member(310) to which the rotating member(330) is rotatably coupled.
Patent KR-20010016216-A (KR)
Title: Color changing spectacles frame and it's manufacturing method linked with temperature
Inventor: JO KYONG RAE
IPC: G02C5/02
Filed: 2000-11-23
Abstract: PURPOSE: A glasses frame which color is changed in accordance with temperature and a fabrication method of the same are provided to coat and dry cholesteryl liquid crystal(CH3(CH3)4a) on a conventional glasses frame and then coat transparent pain on the dried surface. CONSTITUTION: A conventional glasses frame is fabricated by mixing dye such as black, dark brawn, dark gray, etc. with ordinary resin and then injecting or molding the mixture. Then, cholesteryl liquid crystal(CH3(CH3)4a) is coated on the all surface or a part of the frame and then dried for about one hour under the temperature of 30-70 deg. Next, transparent paint is coated on the dried surface of the frame and then dried for 30-50 min under the temperature of 30-70 deg. The cholesteryl liquid crystal(CH3(CH3)4a) has a green, red, yellow or blue color.