baber/WOPTO huggingface dataset:
Patent KR-20030041519-A (KR)
Title: Apparatus for removing bleed of slab
Inventor: AHN JAE CHUN
IPC: B22D11/12
Filed: 2001-11-20
Abstract: PURPOSE: An apparatus for automatically removing bleed of slab is provided to automatically remove bleed generated on side surface and upper and lower corner parts of the slab during casting of slab in continuous casting process. CONSTITUTION: The apparatus for automatically removing bleed of slab comprises a slab side surface bleed removal device part installed with the slab being therebetween to remove bleed on both side surfaces of the slab(10) according to sensing of proceeding of the slab; and a slab upper and lower corner bleed removal device part installed with being spaced apart from the slab side surface bleed removal device part in a certain distance and equipped with a grinder block part on a base frame to remove residual bleed(11) of upper and lower corners of the slab, wherein the slab side surface bleed removal device part comprises base frame(59), a pair of traveling rails, hydraulic cylinder, grinder block, hydraulic cylinder, rotor case(54), and chain gear, wherein the slab upper and lower corner bleed removal device part comprises rectangular frame shaped base, base frame(35), a pair of traveling rails, moving prevention wheel, traveling wheel, hydraulic cylinder, roller type grinder block housings(29A,29B) and hydraulic cylinder case, and wherein the grinder block part comprises first grinder block part(27) comprising support, motor, joint block, rotation gear, and grinder(25A) in which grinder wear sensing sensor(36) is installed, and second grinder block part(28) comprising support, motor(24), joint block, rotation gear, grinder(25B) equipped with grinder wear sensing sensor, and hydraulic cylinder.
Patent KR-20030042325-A (KR)
Title: Fabrication Method for Heterojunction Field Effect Transistor
Inventor: KIM JONG UK
IPC: H01L29/737
Filed: 2001-11-22
Abstract: PURPOSE: A method for fabricating a heterojunction field effect transistor(HFET) is provided to easily form a gate oxide layer and improve a Schottky gate junction characteristic by performing a heat treatment on an ohmic contact metal so that an ohmic contact is formed between a source/drain electrode and a semiconductor while the gate oxide layer is formed in the semiconductor. CONSTITUTION: A channel layer is formed on a substrate(10). A barrier layer is formed on the channel layer. The ohmic contact metal is applied on the barrier layer. The source/drain electrode(13a,13b) is formed through a photolithography process. A heat treatment is performed in an oxygen atmosphere to form a predetermined thickness of the gate oxide layer(14) on the barrier layer exposed by the photolithography process. A gate electrode(15) made of Schottky contact metal is formed on the gate oxide layer.
Patent KR-20030043150-A (KR)
Title: An apparatus for discharging cutting chips and hume gas from torch cutting machine
Inventor: KIM YEONG JU
IPC: B22D11/126
Filed: 2001-11-27
Abstract: PURPOSE: An apparatus for discharging chips and fume gas from torch cutting machine is provided to prevent facilities from being contaminated and eroded by completely discharging the chips and fume gas and to maximize collector efficiency only using a small size collecting pan. CONSTITUTION: The apparatus comprises a movable chute(15) which moves in cooperation with a torch cutting machine on a lower part of a moving table(230), a rotation wing assembler installed in the chute(15) which is filled with water so as to generate a whirl, a telescopic duct installed at one side of the chute(15), the telescopic duct being connected to the collecting pan such that the chip dropped from the torch cutting machine is cooled and collected and the fume gas is discharged by the collecting pan. The chute(15) has a wheel(13) so as to move along a rail(10) arranged on an upper part of a lower frame member(5b) of the moving table(230) in a longitudinal direction.
Patent KR-20030044605-A (KR)
Inventor: KIM JAE SEON
IPC: H01J9/24
Filed: 2001-11-30
Abstract: PURPOSE: A glass bulb for a cathode ray tube is provided to enhance the yield of the glass bulb by preventing the damage on the glass bulb in generated from a recycling process of the glass bulb. CONSTITUTION: A glass bulb includes a panel(20), a funnel(30), and a neck. A picture image is projected to the panel. The funnel is adhered to a back side of the panel. The neck is adhered to a vertex of the funnel. A sealing edge(22) of the panel and a sealing edge(31) of the funnel are sealed by using a frit(25). The tensile stress and the compressive stress of the sealing edge of the panel satisfy a predetermined relational expression when the sealing edge of the panel and a sealing edge of the funnel are sealed by using the frit.
Patent KR-20030046899-A (KR)
Title: Method for isolating a shallow trench
Inventor: LEE GI MIN
IPC: H01L21/76
Filed: 2001-12-07
Abstract: PURPOSE: A method for isolating a shallow trench is provided to achieve the sidewall profile of an etching mask by controlling a gas when a hard mask is etched on condition of omitting a process of manufacturing a space. CONSTITUTION: A hard mask having at least two insulation layers is formed on a semiconductor substrate(100). A photoresist pattern is formed on the hard mask layer wherein a shallow trench region is defined. The hard mask layer is tilt-etched. The photoresist layer is removed. A shallow trench(108) is formed by the etching process using the tilted hard mask pattern(103').
Patent KR-20030047236-A (KR)
Title: An apparatus for separating water and solvent for solvent recovery system
Inventor: KANG SHIN BAI
IPC: B01D17/025
Filed: 2001-12-08
Abstract: PURPOSE: An apparatus for separating water and solvent for solvent recovery system is provided, which can prevent any vortex phenomena during feeding mixture of organic solvent and collect organic solvent gas, thus reducing emission of organic solvent to atmosphere. CONSTITUTION: The apparatus comprises a separation box(10) in which a space is formed to receive and separate mixed liquid of water and organic solvent and at the top of which an air vent(60) is installed; a mixed liquid influent line(20) vertically set in the separation box(10) from top to almost bottom to supply the mixed liquid into the separation box(10); a water discharge line(40) installed at the bottom of the separation box(10) to discharge the separated water; a solvent discharge line(80) installed at almost top part of the separation box(10) to discharge organic solvent separated from the mixed liquid by specific gravity difference; and a gas collecting device(50) installed at the top of the separation box(10) to collect and drop solvent gas evaporated from the organic solvent, and to vent only pure air to atmosphere through the air vent(60).
Patent KR-20030050072-A (KR)
Title: Method for the biological control of plant diseases using chaetomium globosum f0142 and chaetoviridins a and b produced by same
Inventor: CHO GWANG YEON
IPC: C12N1/14
Filed: 2001-12-18
Abstract: PURPOSE: A method for biological control of plant diseases using Chaetomium globosum F0142 and chaetoviridins A and B produced by the same is provided, thereby effectively controlling plant diseases. CONSTITUTION: A method for biological control of plant diseases using Chaetomium globosum F0142(KCTC 0957BP) and chaetoviridins A and B produced by the same comprises spraying the cultured medium, mycelia or spores of Chaetomium globosum F0142, or chaetoviridins A and B isolated from the Chaetomium globosum cultured medium to plants, wherein the plant disease is rice blast disease, late blight, leaf rust or phytophthora blight. The chaetoviridins A and B are represented by the formula(1) and (2) respectively, and purified by extraction of Chaetomium globosum F0142(KCTC 0957BP) with ethyl acetate, first silica gel column chromatography, thin layer chromatography and second silica gel column chromatography, sequentially.
Patent KR-20030050398-A (KR)
Title: Thermal via forming method in ltcc-m module
Inventor: KIM GWANG SEONG
IPC: H05K7/20
Filed: 2001-12-18
Abstract: PURPOSE: A method is provided to be capable of easily emitting the heat generated at a high frequency operation by forming a radiation via at a metal substrate of a low temperature cofired ceramic on module. CONSTITUTION: An Ag/Pd mixed paste for a simultaneous plasticity is printed on a lower surface of a stacked green sheet(200). A radiation via is formed at a position corresponding to a center region of a Ag/Pd mixed paste pad for a simultaneous plasticity(201). An Ag/Pd mixed paste for a simultaneous plasticity is printed on an inner side of the radiation via(202), which is then filled with a solder(204). The radiation via has a diameter of 100 to 600 micrometers.
Patent KR-20020051881-A (KR)
Title: Piping deposit removal from stator water cooling systems
Inventor: ROWE RAYMOND GRANT
IPC: F28G9/00
Filed: 2001-12-21
Abstract: PURPOSE: A method for preventing strainer plugging by removing the copper oxide deposits from stator water cooling system piping surfaces, thereby eliminating the source of particulate that enables nucleation of crystal growth on strainer mesh. CONSTITUTION: The method of removing copper oxide deposits from piping material surfaces of stator water cooling systems connected to a generator (100) comprises the steps of a) disconnecting the generator from the stator water cooling system (102), b) connecting bridging piping to the stator water cooling system at the points from which the generator was disconnected so the stator water cooling system operates without the generator, c) introducing into the stator water cooling system a sufficient amount of an agent which dissolves or removes copper oxide deposits from the piping material surfaces, for a time sufficient to dissolve or remove substantially all copper oxide deposits, and d) rinsing the piping material surfaces with sufficient water until the output water exiting the stator water cooling system is essentially neutral, wherein the method further comprises the steps of inspecting the piping material surfaces for deposits and repeating steps (c) and (d) if deposits remain, disconnecting the bridging piping (101) and reconnecting the generator to the stator water cooling system at the points that the bridging piping was removed, and filtering water flowing through the stator water cooling system with a cotton media filter (107) after reconnecting the stator water cooling system to the generator, and the agent comprises an aqueous solution of at least one acid.
Patent KR-20030053409-A (KR)
Title: A apparatus for capturing the evaporated volatile fume segregation in twin roll strip caster
Inventor: CHOI JU TAE
IPC: B22D11/06
Filed: 2001-12-22
Abstract: PURPOSE: An evaporated volatile steam gas capturing apparatus is provided to expand life span of casting rolls and to improve quality of a strip by preventing surfaces of the casting rolls from being contaminated due to oxides. CONSTITUTION: An evaporated volatile steam gas capturing apparatus capturing apparatus includes a filter section(10), a depositing section(20) and a suction device(30), which are formed in a stack structure and installed at a lower portion of a meniscus shield(9). The filter section(10) has a first inner cavity filled up with ceramic fiber(12). Evaporated volatile steam gas generated from a molten steel pool passes through the inner cavity of the filter section(10). The depositing section(20) has a second inner cavity having a metal plate(22) for filtering impurities contained in steam gas. The suction device(30) forcibly sucks steam gas such that steam gas passes through the filter section(10) and the depositing section(20).
Patent KR-20030053837-A (KR)
Title: Acetate fiber having excellent hygroscopicity, antistatic and dyeing property
Inventor: AHN JONG SU
IPC: D01F2/24
Filed: 2001-12-24
Abstract: PURPOSE: Acetate fiber is characterized by having excellent moisture absorbing property and antistatic property, having excellent dyeability about direct dyes and disperse dyes and maintaining inherent physical properties of rayon. CONSTITUTION: The acetate fiber is obtained by treating cellulose diacetate fiber with alkali for 1-120min. at 70-130deg.C to reduce weight in a loss-weight ratio of 10-20wt% and to make a surface of the fiber into rayon. The cellulose diacetate fiber has 2.0-2.75 of substitution(45-59.5% of acetification). The acetate fiber has 8-11% of moisture percentage and 1.32-1.37g/cm¬3 of specific gravity.
Patent KR-20030054340-A (KR)
Title: System for protecting data of code ROM in code ROM test
Inventor: BAE JONG HONG
IPC: G06F21/79
Filed: 2001-12-24
Abstract: PURPOSE: A device for protecting data in testing a code ROM is provided to prevent other person who does not know a password from flowing data of a code ROM of a micro controller to an exterior by prevent other person who does not know the password from using the data although the data are flown out to an exterior. CONSTITUTION: A first encoding unit(200) encodes and transmits data. A second encoding unit(300) creates a read enable signal(ROMReadEn). An output unit(400) dumps the encoded data to an exterior by responding to the read enable signal(ROMReadEn). An MISR(Multiple Input Signature Register) unit(220) synchronizes the data from the code ROM(100) with a clock, receives the synchronized data, and compresses the data. An initialization unit supplies an initial value to the MISR unit(220) by responding to a test enable signal(TestEn) and a reset signal(Reset). A control state machine(320) creates a control signal for a ROM test operation by responding to a test enable signal(TestEn) and a clock signal(CLK). The other MISR unit(340) responses a control signal, receives code data, compresses the data, and outputs the data. An initialization unit supplies an initial value to the other MISR unit(340) by responding to a test enable signal(TestEn) and a reset signal(Reset). A comparison unit(380) compares the value being output from the other MISR unit(340) with an expected value, and outputs the read enable signal(ROMReadEn).
Patent KR-20030055925-A (KR)
Title: Liquid Crystal Display Module Integrated Touch Panel Using the Double Top Case And Laminating Method Thereof
Inventor: BANG YONG IK
IPC: G02F1/1333
Filed: 2001-12-27
Abstract: PURPOSE: A touch panel integrated LCD(Liquid Crystal Display Device) panel is provided to improve the durability of a touch panel by adding a top case and extending a touch panel to the added top case area. CONSTITUTION: A touch panel integrated LCD panel comprises a cover bottom(42), a first top case(40), a touch panel(62) and a second top case(60). The cover bottom covers the side and the lower part of the LCD module. The first top case shields the sides of the cover bottom and the LCD module and shields the upper girth of the LCD module. The touch panel is layered on the LCD module and the first top case and extended to the upper end of the first top case. The second top case shields the side of the firs top case, the touch panel and the upper girth of the touch panel. Thereby, the reserved margin for the durability is secured.
Patent KR-20030057669-A (KR)
Title: Apparatus and method for interface of GGSN system
Inventor: YUK SANG MI
IPC: H04L12/66
Filed: 2001-12-29
Abstract: PURPOSE: An interface device for a GGSN(Gateway GPRS(General Packet Radio Service) Serving/support Node) system and a method therefor are provided to simultaneously perform a line interface function and a frame relay function by a single function board. CONSTITUTION: A plurality of frame relay blocks(211) are composed in a board in which an internal interface is performed in a GGSN system. Each of frame relay blocks(211) has an E1 framer(212) for generating and extracting a data frame transmitted through a line connected with each network device(220), and an E1 LIU(Line Interface Unit)(213) for performing an interface to the line.
Patent KR-20030058518-A (KR)
Title: Method for forming liquid crystal layer in reflective lcd
Inventor: OH UI SEOK
IPC: G02F1/1341
Filed: 2001-12-31
Abstract: PURPOSE: A method for forming a liquid crystal layer of a reflective liquid crystal display is provided to improve the productivity by reducing time required for a process and reducing the manufacturing cost. CONSTITUTION: A lower substrate(40) has a reflective electrode. An upper substrate has a color filter. The lower substrate and the upper substrate are bonded by interposing a liquid crystal layer(50). A mixture(20) of a monomer(11) having a certain viscosity and liquid crystal molecules(12) is transferred to an APR(Aseikasei Photosensitive Resin) plate patterned in a predetermined shape. The APR plate is arranged on the lower substrate. The APR plate is pressed to apply the mixture of the liquid crystal molecules and the monomer on the lower substrate. The APR plate is detached from the lower substrate.
Patent KR-20030058529-A (KR)
Title: Gib Adjuster
Inventor: JUNG SANG HYEON
IPC: B23Q1/00
Filed: 2001-12-31
Abstract: PURPOSE: A gib adjusting apparatus is provided to adjust the gap conveniently by loosening and tightening the gib regularly with the single component, and to reduce assembling hours by adjusting the gap accurately. CONSTITUTION: A gib adjusting device is composed of a body(26) forming an external thread(30); a connecting unit(28) formed at the side of the body to fit a gib; and a head part(22) integrally formed at the side of the connecting unit to rotate the body and the connecting part. The gib adjusting device adjusts the sliding clearance of transferred bodies by controlling the gib. A hexagonal wrench groove(24) is formed in the head part, and a support part(32) is formed at the side of the connecting part. Assembling hours are reduced by adjusting the clearance between transferred bodies conveniently with the single component.
Patent KR-20020060927-A (KR)
Inventor: CHO MU HWAN
IPC: C12N5/08
Filed: 2001-01-12
Abstract: PURPOSE: Provided is a method for inhibiting apoptosis under ischemic condition which lacks an adequate supply of oxygen and glucose. CONSTITUTION: The method for inhibiting apoptosis under ischemic condition comprises a step of administering antibiotics to an individual under ischemic condition to the individual infected with pathogenic microorganisms. Wherein the antibiotics are quinolones including levofloxacin, ofloxacin and ciprofloxacin; quinones including tetracycline, minocycline, doxycycline and oxycycline; and aminoglycosides including geneticin, neomycin and gentamicin.
Patent KR-20010053561-A (KR)
Title: 직물 보호 조성물
IPC: C08L71/02
Filed: 1998-07-31
Abstract: 본 발명은 하기의 것들을 함유하는 직물 보호 조성물에 관한 것이다 : 
     폴리아미노-관능성 중합체, 염료 고정제 및 그것들의 혼합물로부터 선택되는 질소 함유 화합물, 및; 
     수용성 양이온성 계면활성제, 폴리옥시알킬렌 알킬 아민 계면활성제 및 그것들의 혼합물로부터 선택되는 찌꺼기 감소제. 
     찌꺼기 감소제를 함유하지 않는 조성물에 비해, 상기 조성물을 이용할 경우, 직물 및/또는 세탁기 부분 상에 찌꺼기 형성이 감소되거나, 전혀 나타나지 않는다.
Patent KR-20010085401-A (KR)
IPC: C22C38/14
Filed: 2000-08-09
Abstract: 냉연강판의 제조방법은, 슬라브(slab)를 거친 압연기로 거친 압연하는 공정, 거친 압연 바를 연속 열간 사상압연기로 사상압연하는 공정, 그 열연강대를 런 아웃으로 냉각하고,냉각된 열연강대를 감는 공정, 그 열연강대를 산세척, 냉간압연, 최종 풀림을 하는 공정으로 된다.
Patent KR-20010075480-A (KR)
IPC: C07C67/44
Filed: 1999-09-29
Abstract: 본 발명은 에틸 아세테이트의 제조방법에 관한 것이다.  예를 들면, 실리카 상의 구리 촉매와 같은 탈수소화 촉매의 존재 하에서 에탄올이 탈수소화된다.  얻어진 중간 반응산물의 혼합물 내에 존재하는 액화성 산물이 탄소 상의 5%의 루테늄과 같은 적절한 촉매 상에서 선택적으로 수소화되어, 반응성 카보닐 함유 부산물이 알콜로 선택적으로 수소화된다.  이렇게 하여, 에틸 아세테이트와 유사한 비등점으로 인해 에틸 아세테이트 산물의 정제를 어렵게 만드는 부탄-2-온 및 n   - 부티르알데하이드2-각각 부탄올 및 n   - 부탄올로 수소화된다.  이어서, 선택적 수소화 산물의 정제를 위하여 2단계의 증류 과정이 사용된다.  통상적으로, 제1 증류 영역은 약 4 bar(4×10 5 Pa) 미만의 절대압력에서 작동되는 것이 바람직하고, 제2 증류 영역은 약 4 bar(4×10 5 Pa) 내지 약 25 bar(2.5×10 6 Pa)의 압력에서 작동된다.  제1 증류 영역 내에서 생성되는 에틸 아세테이트, 에탄올, 및 물을 포함하는 1차 증류물은 제2 증류 영역 내에서 재증류되어, 통상적으로 약 99.8 mol% 내지 약 99.95 mol%의 에틸 아세테이트를 포함하는 탑저 제품 및 제1 증류 영역 내에서 생성되는 조성과 사이한 조성을 가지는 상층의 2차 증류물로 제조된다.  이때, 제 2 증류물은 제1 증류 영역, 바람직하게는 선택적 수소화 반응산물의 혼합물의 액화성 산물에 대한 공급 지점의 상부 지점으로 반송된다.
Patent KR-20010099686-A (KR)
IPC: C07D471/06
Filed: 1999-10-13
Abstract: 본 발명은 다음 화학식 I의 피라졸로아크리돈 유도체 또는 약리적으로 허용되는 이의 염을 포함하는 수용액에 산을 첨가하고, 당해 수용액을 함유하는 밀봉 용기 중의 공기를 불활성 가스로 치환하고, 당해 용기를 밀봉하는 것을 특징으로 하는, 피라졸로아크리돈 유도체 또는 약리적으로 허용되는 이의 염을 포함하는 수용액의 안정화 방법에 관한 것이다. 
     화학식 I 
     
       
     
     위의 화학식 I에서, 
     R 1a , R 1b , R 1c 및 R 1d 는 수소, 저급 알킬기, -(CH 2 ) p -X(여기서, X는 수산기, 저급 알콕시기 또는 -NR 2a R 2b 이다) 또는 -CH((CH 2 ) n OH) 2 이다.
Patent KR-20010080909-A (KR)
Title: High Mixture-Quality Bi-Modal Polyethylene Blends
IPC: B29C47/00
Filed: 1999-10-14
Abstract: Bimodal polyethylene blends are made from a high-molecular-weight ethylene copolymer and a low-molecular-weight ethylene homo- or copolymer and have a melt flow rate MFR 190/21.6 of from 6 to 14 g/10 min, a density of from 0.94 to 0.97 g/cm3, an environmental-stress-cracking resistance ESCR>150 h and a value of less than 3 when the quality of blending in the blend is measured to ISO 13949. A process prepares polyethylene blends of this type by melting and homogenization in a mixing apparatus and discharge via a gear pump. The blends are used to produce moldings, in particular hollow articles and pressure pipes.
Patent KR-20010080559-A (KR)
IPC: C23C16/448
Filed: 1999-11-02
Abstract: 본 발명은 화학 기상 증착(CVD)-기술에 사용하기 위해 개선된 전구 조합물을 생성하기 위한 제 4 아족 또는 제 5 아족 원소의 새로운 착화합물에 관한 것이다.  본 발명에 따른 착화합물은 α위치의 양성자를 갖는 알콕시화물 리간드를 필요로 하지 않기 때문에, 상기 착화합물의 가수분해에 의해 더 이상 환원제가 방출되지 않게 된다.
Patent KR-20010086094-A (KR)
Title: In mold addition polymerization of norbornene-type monomers using group 10 metal complexes
IPC: C08F232/00
Filed: 1999-12-08
Abstract: A catalyst system and a process for the bulk addition polymerization or of polycyclic olefins, such as norbornene, methylnorbornene, ethylnorbornene, butylnorbornene or hexylnorbornene, 1,2,3,4,4a,5,8,8a-octahydro-1,4:5,8-dimethanonapthalene, 5,5'-(1,2-ethanediyl)bisbicyclo[2.2.1]hept-2-ene, and 1,4,4a,4b,5,8,8a,8b-octahydro-1,4:5,8-dimethanobiphenylene are disclosed. The catalyst includes an organonickel or organopalladium transition metal procatalyst and an activator compound. Polymerization can be carried out in a reaction injection molding process to yield thermoplastic and thermoset molded polymeric articles possessing high glass transition temperatures.
Patent KR-20020006020-A (KR)
IPC: C23C16/455
Filed: 1999-12-16
Abstract: 표준 클러스터 도구(1100)에 적용할 수 있는 공정 스테이션(1201)은 히터판(1303)을 포함하는 웨이퍼지지 표면(1307)을 가지는 수직으로 이동가능한 받침대(1215)를 가진다.  하부 위치에서 웨이퍼(1219)는 공정 스테이션 안팎으로 전달되며, 상부 위치에서 받침대(1215)는 공정 챔버(1204) 안의 하부 원형 개구부가 있는 환상의 펌핑 경로를 형성한다.  공정 챔버(1204)의 하부 개구부에서 대체 가능한 링(1253)은 공정 펌핑 속도가 다른 공정에 맞도록 하여준다.  받침대(1215)는 또한 받침대(1215) 주위에 환상의 펌핑 경로를 정의하는 주변 덮개(1257)를 갖는다.  두 영역 히터판(1303)은 받침대(1215)의 상부에 적용되고, 공급장치(1301)에 연결되며, 히터판(1303)이 빠르고 간단히 대체되도록 하여준다.  공정 챔버(1204)의 상부는 제거 가능하며, 사용자가 받침대(1215)나 히터(1303) 조립체를 제거하도록 하여준다.  본 시스템은 원자 층 증착 공정에 사용된다.
Patent KR-20010113656-A (KR)
Title: Method for Processing pTHF Polymerization Catalysts
IPC: C08G65/26
Filed: 2000-01-20
Abstract: A process for working up at least partially deactivated polymerization catalysts for the polymerization or copolymerization of THF which are contaminated with the products of the polymerization or copolymerization of THF comprises(a) in a first step, cleaning the polymerization catalyst by treatment with steam at from 80 to 250° C. and a pressure of from 0.5 to 40 bar and, preferably,(b) in a second step, regenerating the clean polymerization catalyst.
Patent KR-20010105351-A (KR)
IPC: A61Q11/00
Filed: 2000-02-15
Abstract: 상아질의 감소된 민감성, 투과성 및 산 침투를 가져오는 상아질 세관을 교합하는 백색 침전물의 칼슘 옥살산염을 형성하는 상아질 유체내 칼슘과 반응하도록 옥살산 칼륨염, 이수화물 99%를 이용하는 방법에 관한 것이다. 옥살산 칼륨염, 이수화물 99%의 액체 조성물은 100배 현미경으로 볼 때 약 1 내지 약 10미크론의 입자크기를 갖는 옥살산 칼륨염, 이수화물 99%를 약 1.5중량% 내지 약 10중량% 포함한다. 상기 액체 조성물은 pH가 약 2.0 내지 4.0이다. 상기 액체 조성물의 제조방법은 개시되어 있다.
Patent KR-20020007319-A (KR)
Title: 능동 전기 광학 필터링 장치 및 이것을 동작시키는 방법
IPC: G02F1/133
Filed: 2000-01-28
Abstract: 용접 보호 마스크, 헬멧 또는 보호 안경에서의 사용을 위한 대즐 보호 장치로 특히 적당한 필터링 장치는 적어도 1개의 능동 광 필터 요소를 갖는 광 보호 필터 및 능동 필터 요소를 제어하는 전자회로 뿐만 아니라 전자회로와 연결되어 동작되는 광 센서 및 전자회로와 능동 필터 요소를 위한 전기 전원 특히 태양 전지로 이처럼 공지된 방법으로 갖추어진다. 능동 필터 요소를 위한 구동 회로는 0.01 내지 1 Hz의 구성 주파수(1/T) 범위에서 부하 커패시터는 간단히 말하면 완전히 방전되는 방법으로 수행되며, 이의 결과 전력 수요는 공지된 방법과 비교하여 반으로 줄어든다. 동시에, 동작 전압(U)은 양적으로 한정되는 범위 내에 및 사용되는 액정 표시 장치의 산란광 비가 이러한 한정의 결과 최소가 되는 범위 내에 놓이게 된다.