baber/WOPTO huggingface dataset:
Patent KR-20030018700-A (KR)
Title: Sterilizer consisting of the vermiculite coated Ag-ion and using method there of
Inventor: KIM IN DAL
IPC: A01N59/00
Filed: 2001-08-31
Abstract: PURPOSE: An anti-microbial agent in which ionic silver is attached to vermiculite and the use thereof are provided, therefore it can be useful for prevention and treatment of diseases in domestic animals or plants. CONSTITUTION: The method for producing the anti-microbial agent in which ionic silver is attached to vermiculite comprises the steps of: pulverizing vermiculite to prepare vermiculite powder; dipping the vermiculite powder in a silver solution; and heating the silver solution to evaporate a liquid portion, wherein the diameter of vermiculite powder is 2mm or less; the silver solution is silver nitrate solution; the heating temperature of the mixed solution is 900deg. C or more; the silver concentration of the silver nitrate solution is 10,000ppm. The anti-microbial agent in which ionic silver is attached to vermiculite is added into a feed for domestic animals.
Patent KR-20030021823-A (KR)
Title: Optical fiber preform and manufacturing method thereof
Inventor: LEE CHAN JU
IPC: G02B6/00
Filed: 2001-09-08
Abstract: PURPOSE: An optical fiber preform and fabrication method thereof is provided, which are capable of reducing loss by enabling an optical fiber to be used at any of 1280-1620nm wavelength so that the optical fiber is easily used at a wide range. CONSTITUTION: A clad layer(13) and a circular tube(14) are sequentially stacked on a core(11). The clad layer is formed so as to have a multi-layer structure, and an outer clad layer have the more amount of POCl3. After depositing the circular tube and performing a collapsing process, a resultant surface is etched over 250 micrometers. The etching process is performed using an etching solution where nitric acid and HF are mixed.
Patent KR-20030023338-A (KR)
Title: Inter voltage generation circuit of semiconductor device
Inventor: LEE JAE YEOL
IPC: G11C5/14
Filed: 2001-09-13
Abstract: PURPOSE: An inner voltage generation circuit of a semiconductor device is provided to implement a stable operation at a low power and a low power operation modes by overlapping two operation states timely when the operation state of a driver block of the inner power voltage at the lower power operation mode is changed, i.e., when the operation is introduced from a normal mode into a deep power down(DPD) mode. CONSTITUTION: An inner voltage generation circuit of a semiconductor device includes a deep mode power down(DPD) mode control block(100) for controlling the low voltage, a delay block(200) for delaying the signal of the DPD mode control block(100) by a predetermined time, a driver block(300) for controlling an inner power voltage by receiving the signal from the delay block(200) and the DPD mode control block(100) and a voltage comparing block(400) for controlling the inner power voltage by outputting the compared and amplified signal obtained from the inner power voltage and the static voltage by received the signal from the delay block(200) as an enable signal to the driver block(300).
Patent KR-20030024136-A (KR)
Title: a plugger
Inventor: KIM KYEONG HEON
IPC: A61C3/025
Filed: 2001-09-17
Abstract: PURPOSE: A plugger for dental treatment is provided to more effectively heat a cutting tip for cutting a GP cone(guttapercha cone). CONSTITUTION: An upper cap(12) prepared with a burner pore(12a) and a lower cap(13) are detachably installed on the upper and lower ends of a cylindrical case(11). A cutting tip is installed at the upper end of the upper cap(12) and a charging tip(15) is installed at the lower end of the lower cap(13). An upper head(16) and a lower head(17) are installed at inner upper and lower parts of the case(11). A gas cylinder(18) prepared with a discharge valve pipe(18a) at the upper part and a charging valve pipe(18b) at the lower part is installed at the upper part of the lower head(17).
Patent KR-20030028606-A (KR)
Title: Apparatus for interference canceller of cdma system
Inventor: CHOI BYEONG GU
IPC: H04B1/7107
Filed: 2001-09-20
Abstract: PURPOSE: An interference rejection unit of a CDMA system is provided to reduce multiple interference and increase a user capacity in consideration of a system complexity of a parallel processing interference rejection unit as well as solve a delay time problem of a sequential interference rejection unit. CONSTITUTION: A group signal output unit(31) aligns a group of users in order of signal power with reception signals, filters and spreads the reception signals of each user of the group, adds and outputs user signals of the group. An adder(32) adds every other signals than its own signal of the outputs of the group signal output unit(31). The first subtracter(33) subtracts an output of the adder(32) from the reception signal. An interference rejecting unit(34) detects each user signal of the group upon receipt of an output from the first subtracter(33). The second subtracter(35) subtracts an output signal of the group signal output unit(31) from the reception signal and outputs it. A filtering and signal determining unit(36) filters inputted reception signals separately as many as users of each group, compares the filtered signals with a threshold value and outputs a result value. A signal power and re-spread signal generator(37) re-spreads a signal by applying a spread code and signal power to the output signal of the filtering and signal determining unit(36). An adder(38) adds output signals of the signal power and re-spread signal generator(37).
Patent KR-20020027269-A (KR)
Inventor: GAILLARD FREDERIC
IPC: H01L21/768
Filed: 2001-10-05
Abstract: PURPOSE: A method for depositing dielectric layers on a substrate and the structures formed by the dielectric layer are provided. CONSTITUTION: The method for processing a substrate comprises depositing a dielectric layer comprising silicon, oxygen, and carbon on the substrate by chemical vapor deposition, wherein the dielectric layer has a carbon content of at least 1% by atomic weight and a dielectric constant of less than 3; and depositing a silicon and carbon containing layer on the dielectric layer. The method for processing a substrate comprises depositing a dielectric layer on the substrate by reacting an organosilane compound having three or more alkyl groups with ozone, wherein the dielectric layer has a carbon content between 5% and 50% by atomic weight and a dielectric constant less than 3; and depositing a silicon carbide layer or a doped silicon carbide layer on the dielectric layer by reacting an alkylsilane compound at plasma conditions sufficient to reduce the dielectric constant of the dielectric layer. The substrate structure comprises a dielectric layer comprising silicon, oxygen, and carbon, wherein the dielectric layer has a carbon content of at least 1% by atomic weight; and a silicon and carbon containing layer capping the dielectric layer. The damascene structure comprises a dielectric layer comprising silicon, oxygen, and carbon and defining one or more interconnects, the dielectric layer having a carbon content of at least 1% by atomic weight; and a silicon and carbon containing layer capping the dielectric layer and further defining the one or more interconnects.
Patent KR-20020092150-A (KR)
Inventor: NAKAI ATSUHIKO
IPC: H01F10/28
Filed: 2001-10-15
Abstract: PURPOSE: To provide a magneto-resistive head having a narrow core width and a large reproducing output. CONSTITUTION: The magneto-resistive head 10 includes a lower magnetic shield 16, an antiferromagnetic layer 22 disposed on the lower magnetic shield 16, a pinned ferromagnetic layer 24 disposed on the antiferromagnetic layer 22, a nonmagnetic intermediate 26 disposed on the pinned ferromagnetic layer 24, and a free ferromagnetic layer 28 disposed on the nonmagnetic intermediate layer 26. The magneto-resistive head 10 additionally includes a pair of hard magnetic film bias layers 32 disposed in both sides of the free ferromagnetic layer 28, a pair of terminal layers 34 disposed on the hard magnetic film bias layers 32, a metal oxide film 36 formed on the free ferromagnetic layer 28 between the pair of terminal layers 34, and an upper magnetic shield 40 disposed above the pair of terminal layers 34 and the metal oxide film 36.
Patent KR-20030033769-A (KR)
Title: Liquid crystal having high speed and high temperature introducing fluorine and ethylene in isothionate
Inventor: BAN BYEONG SEOP
IPC: C09K19/04
Filed: 2001-10-25
Abstract: PURPOSE: Provided is a high velocity and high temperature nematic liquid crystal composition, which has high phase transition temperature, refractivity anisotropy, and dielectric anisotropy and fast response velocity, therefore it is used for preparing LCD. CONSTITUTION: The nematic liquid crystal composition contains: 2-80wt% of a nematic liquid crystal compound represented by the formula 1 or 2; 20-98wt% of at least one liquid crystal compound selected from the compounds represented by the formula 3, 4, and 5, wherein R2 and R3 are independently or simultaneously C1-C15 alkyl or alkoxy, B is phenyl or cyclohexyl, C is a single bond, -CH2CH2-, or -COO-, X and Y are independently or simultaneously hydrogen or fluoro atom, and Z is hydrogen, -OCF3, or fluoro atom.
Patent KR-20030034601-A (KR)
Inventor: LEE GWANG HYEON
IPC: G01S13/02
Filed: 2001-10-26
Abstract: PURPOSE: A target detection circuit is provided to detect the target signal by stably operating the automatic gain control circuit by using the target signal stored when another signal shields the target signal and divided by previously memorizing the size of the target signal so as to operate the automatic gain control circuit with reference to the size of the target signal. CONSTITUTION: A target detection circuit provided with a first amplifier(111) for amplifying a first target signal inputted thereto, a second amplifier(112) for amplifying a first flare signal having the same size with the first target signal, a switching device for varying the amplification level in response to the signal inputted from the outside by feeding back the signal outputted from the first amplifier(111) and an attenuator(114) keeping the output constant by controlling the gain of the first amplifier(111) and the second amplifier(112) by maintaining the signal outputted from the switching device with constant includes a target signal detection circuit(120) for converting the pulse by receiving the first target signal and the first flare signal in response to the control signal inputted thereto, adding the two converted signals and outputting the second target signal by comparing the added signal with a reference signal, an initial threshold voltage generation circuit(130) for outputting the initial threshold voltage as a direct voltage of a constant level in response to the initial gain setting of the user, a flare signal detection circuit(140) for comparing the peak value detected by the peak value of the first target signal outputted from the target signal detection circuit(120) by the control signal inputted thereto with the initial threshold voltage outputted from the initial threshold voltage generation circuit(130) and for outputting the compared result as a second flare signal and a logic circuit(150) for controlling the amplification level of the switching device of the automatic gain control circuit by adding two signals outputted from the target signal detection circuit(120) and the flare signal detection circuit(140).
Patent KR-20030038867-A (KR)
Title: A Plasma Display Panel
Inventor: CHOI TAE WAN
IPC: H01J11/44
Filed: 2001-11-06
Abstract: PURPOSE: A plasma display panel is provided to be capable of improving a brightness while simplifying a fabrication process. CONSTITUTION: A plurality of sustain electrodes are arranged in parallel on a front substrate(10), a plurality of data electrodes are arranged on a backside substrate so as to be intersected with the sustain electrodes, and barrier ribs are disposed between the front and backside substrates so as to define discharge cells. The sustain electrodes are constituted of a transparent electrode(11a) and a bus electrode(11b) disposed on the transparent electrode, and a black layer(11c) is formed between the transparent electrode and the bus electrode to improve the contrast. The black layer(11c) is extended up to a portion between transparent and bus electrodes(11a,11b) of an adjacent discharge cell passing a non-discharge region between discharge cells. The bus electrode is formed on a black layer over the transparent electrode and on a black layer over the non-discharge region.
Patent KR-20030038131-A (KR)
Title: Method for bookmarking use of thumnail
Inventor: YOO YEONG DAL
IPC: G11B27/10
Filed: 2001-11-08
Abstract: PURPOSE: A bookmarking method using thumbnail is provided to confirm stored contents through a thumbnailed picture without reproducing the stored contents. CONSTITUTION: A digital television receiver receives a broadcasting stream of contents a user requests(s301). A thumbnail picture is extracted from the received broadcasting stream and indexed(s303,s305). When a bookmarking request message is transmitted from the user(s307), the latest thumbnail picture among thumbnail pictures extracted before the bookmarking request message is received is bookmarked and added to a recording list(s309). The recording list is displayed at the request of the user(s311). When a message of requesting contents included in the recording list to be reproduced is received from the user(s315), it is confirmed if a bookmarking index is detected from the contents(s317). When the bookmarking index is detected, the bookmarked thumbnail picture is provided to the user(s319).
Patent KR-20020006501-A (KR)
Inventor: KIM YOUNG AM
IPC: C08J3/075
Filed: 2001-11-12
Abstract: PURPOSE: An elastic polymer gel and its preparation method are provided, which gel is improved in breaking strength, elongation and uniformity and is used for shielding and charging a water supply and drainage line, a gas supply line, wires, pipes and a doorframe to absorb the impact and to prevent the water leakage and corrosion. CONSTITUTION: The method comprises the steps of melting a mineral oil, a silicone oil and a gelling agent to make an oil solution; mixing the oil solution with a resin; melting the mixture at 150-250 deg.C; and adding a polymerization initiator for polymerizing the silicone oil when the temperature reaches to a certain point, to make the resin and the silicone oil be bonded by polymerization. Preferably the resin is polyisoprene resin and styrene-ethylene-butylene-styrene block copolymer resin; the polymerization initiator is selected from a peroxide, an acid and an organometallic compound; and the gelling agent is Tixogel or tetraethyl ammonium bromide.
Patent KR-20030040601-A (KR)
Title: Access method for inter-working with wireless internet networks
Inventor: KIM HYEON GON
IPC: H04L12/28
Filed: 2001-11-15
Abstract: PURPOSE: An accessing method between wireless Internet networks is provided to design and apply an application scenario based on a wireless Internet gateway of a home network, thereby enabling all mobile communication providers to freely select wireless Internet portal sites to receive services. CONSTITUTION: A wireless channel is requested and a packet network is set up(S101). A wireless network decides whether a subscriber accesses the wireless network(S102). If so, the wireless network performs authentication and accesses a WAP gateway to receive an access menu(S103). An AAA(Authentication, Authorization, Accounting) server is requested to access a WAP gateway of an external wireless Internet network(S104). The AAA server performs registration authentication including negotiation procedures and registration authentication of the subscriber(S105). The AAA server requests the WAP gateway of the external network to transmit a service(S106). The WAP gateway performs an authentication procedure(S107). When the authentication procedure is completed(S108), the AAA server negotiates an accounting method between a home network and the external network, permits network access, and receives a service portal menu, then supplies the service(S109).
Patent KR-20030041432-A (KR)
Title: An XML-based method of supplying Web-pages and its system for non-PC information terminals
Inventor: CHO SU SEON
IPC: G06F17/30
Filed: 2001-11-20
Abstract: PURPOSE: A method for supplying a web page based on an XML for a non-PC information terminal and a system thereof are provided to reprocess and use a conventional massive HTML document as an XML document properly converted according to search fields and kinds of used information terminals. CONSTITUTION: An HTML-XML reconstruction unit(210) converts an HTML document transmitted from a web server(400) and creates an XML and XSL document to be proper to a web client(100) of a non-PC information terminal. An image reformat unit(220) reformats an image in a web page as a data form proper to a web client(100) of the non-PC information terminal by corresponding to the XML and XSL document created by the HTML-XML reconstruction unit(210). A free patch unit(230) executes a free patch of a web page from the web server(400) in accordance with a probable condition based on a reference history of a web client(100). A storage(240) stores the free patched web page and an XML and XSL document. An HTTP unit(250) executes an HTTP protocol connection with the web client(100) of the non-PC information terminal and the web server(400), transmits a web page received from the web server(400) to the HTML-XML reconstruction unit(210), and supplies information stored in the storage(240) to the web client(100).
Patent KR-20030041559-A (KR)
Title: Method for quick raising temperature of central area of blast furnace
Inventor: CHO BONG RAE
IPC: C21B7/16
Filed: 2001-11-20
Abstract: PURPOSE: A method for quickly raising temperature of dead man in blast furnace is provided to improve productivity by early increasing temperature of the dead man of the blast furnace to the temperature level required for normal operation during stopping of hot blast for repairing the furnace wall or during sudden stopping of hot blast. CONSTITUTION: In hot blast stopping and reblowing processes of blast furnace for manufacturing hot metal, the method for quickly raising temperature of dead man in blast furnace comprises the steps of determining opening and closing arrangement per circumferential direction of arranged tuyeres; preparing standard for controlling proper tuyere flow rate set value for secured air volume; determining opening time and opening sequence of closed tuyeres to maintain tuyere flow rate within the control standard; and sequentially opening the closed tuyeres according to the determined opening time and opening sequence, wherein temperature of the dead man is early increased by opening tuyeres arranged on a corresponding blast furnace step by step, thereby increasing the tuyere flow rate step by step.
Patent KR-20030042769-A (KR)
Title: Apparatus and method of embedding and detecting layered watermark
Inventor: HONG JIN U
IPC: H04N5/913
Filed: 2001-11-23
Abstract: PURPOSE: A system and method for hierarchically inserting/detecting watermarks are provided to insert and detect different watermarks hierarchically. CONSTITUTION: A system for hierarchically inserting watermarks includes the first and second hierarchical watermark inserting units(220,230). The first and second hierarchical watermark inserting units. The first hierarchical watermark inserting unit receives data into which the watermarks is inserted and inserting the first hierarchical watermark into the data. The second hierarchical watermark inserting unit inserts the second hierarchical watermark independent of the first hierarchical watermark into the data into which the first hierarchical watermark has been inserted. The first hierarchical watermark inserting unit inserts an echo watermark into the overall input data. The second hierarchical watermark inserting unit adds a modulated pseudo noise progression to the first hierarchical watermarked data to generate watermarked data.
Patent KR-20020041292-A (KR)
Title: Fe-BASED AMORPHOUS ALLOY THIN STRIP AND CORE PRODUCED USING THE SAME
Inventor: SAKAMOTO HIROAKI
IPC: H01F1/153
Filed: 2001-11-24
Abstract: PURPOSE: A Fe-based amorphous alloy thin strip capable of realizing an excellent soft magnetic property for use in alternating current applications while keeping a high magnetic flux density even in a composition range with a high Fe content, and a Fe-based amorphous alloy thin strip with which a core having an excellent soft magnetic property can be manufactured are provided. CONSTITUTION: The Fe-based amorphous alloy thin strip consisting of the main component elements of Fe, Si, B, C and P and unavoidable impurities is characterized in that its composition is, in atomic %, 78<=Fe<=90, 2<=Si<4, 5<B<=16, 0.02<=C<=4, and 0.2<=P<=12. The Fe-based amorphous alloy thin strip excellent in soft magnetic property for use in alternating current applications is characterized in that its composition is, in atomic %, 78<=Fe<=86, 2<=Si<4, 5<B<=16, 0.02<=C<=4, and 0.2<=P<=12, wherein the Fe content is 80<Fe<=82 atomic %, the P content is 1<=P<=12 atomic %, and the B content is 5<B<14 atomic %. The Fe-based amorphous alloy thin strip having a high magnetic flux density is characterized in that its composition is, in atomic %, 86<Fe<=90, 2<=Si<4, 5<B<=16, 0.02<=C<=4, and 0.2<=P<=12, wherein the Fe content is 86<Fe<=88 atomic %. The Fe-based amorphous alloy thin strip having a high magnetic flux density is characterized in that its composition is, in atomic %, 82<=Fe<=90, 2<=Si<4, 5<B<=16, 0.02<=C<=4, and 0.2<=P<=12, and Bs of the strip after annealing is 1.74 T or more.
Patent KR-20030043337-A (KR)
Title: Method for fabricating semiconductor device
Inventor: CHO HEUNG JAE
IPC: H01L21/336
Filed: 2001-11-28
Abstract: PURPOSE: A method for manufacturing a semiconductor device is provided to be capable of effectively reducing the temperature of a re-oxidation process and the sheet resistance of a gate electrode by increasing the oxidation rate of the re-oxidation process using an ion implantation. CONSTITUTION: After sequentially forming a gate oxide layer(33), and a conductive layer made of a polysilicon layer(34) and a tungsten layer(35) on a semiconductor substrate(31), a gate electrode is formed by selectively etching the conductive layer. At this time, the gate oxide layer(33) is exposed and damaged partially by the etching process. An ion implantation is carried out on the exposed gate oxide layer(33) of a cell region for increasing the oxidation rate of the following process. Then, the thickness of the gate oxide layer formed at the edge portion of the gate electrode, is increased by a re-oxidation process at a low temperature in compensation for the damage due to the etching process. Preferably, the ion implantation is carried out by using one selected from group consisting of O2, Si, Ge, Ar, Xe, F, Cl, Br, and I. Preferably, the re-oxidation process is carried out at the temperature of 300-800 °C.
Patent KR-20030048260-A (KR)
Title: The method for producing fabrics of Rayon/ultrafine composite yarn by use of Cold-pad-batch
Inventor: AHN JONG SU
IPC: D06M13/00
Filed: 2001-12-11
Abstract: PURPOSE: Rayon/superfine yarn conjugate textile manufactured by a cold-pad-batch method is characterized by having excellent drapability, soft touch and uniform quality. CONSTITUTION: The rayon/superfine yarn conjugate textile is obtained by: weaving cellulose diacetate fiber and sea-island type conjugate fiber out of textile; and then treating the textile with alkali in 20-53% of concentration at 20-70deg.C for 1-48hrs. by the cold-pad-batch method to convert the cellulose diacetate fiber into rayon fiber and to elute sea ingredient of the sea-island type conjugate fiber. The cellulose diacetate fiber has 2.0-2.75 of substitution and 45-59.5% of acetification.