baber/WOPTO huggingface dataset:
Patent KR-20000070317-A (KR)
IPC: A61K47/48
Filed: 1998-01-23
Abstract: The properties of biologically active compounds, for example drugs and agrochemicals, which contain in their molecular structure one or more functional groups selected from alcohol, ether, phenyl, amino, amido, thiol, carboxylic acid and carboxylic acid ester groups are modified by replacing one or more of these functional groups by a lipophilic group selected from those of the formula: RCOO-, RCONH-, RCOS-, RCH 2 O-, RCH 2 NH-, -COOCH 2 R, -CONHCH 2 R and -SCH 2 R, wherein R is a lipophilic moiety selected from cis-8-heptadecenyl, trans-8-heptadecenyl, cis-10-nonadecenyl and trans-10-nonadecenyl.
Patent KR-20010006406-A (KR)
Title: 테트라히드로푸란 중합체 또는 공중합체의 탈색 방법
IPC: C08G65/20
Filed: 1998-04-02
Abstract: (a) 우선, 바람직한 경우, 진공 증류 또는 추출에 의하여 저비점 성분을 제거하는 단계 및 
     (b) 고체 산화물 및(또는) 쉬이트 실리케이트로 이루어지는 군으로 부터 선택되는 1 종 이상의 보조제의 존재하에 잔여 중합체 또는 공중합체를 20 내지 150 ℃까지 가열하는 단계 
     를 포함하는, 텔로겐의 존재 또는 부재하에 테트라히드로푸란(THF) 또는 테트라히드로푸란과 알킬렌 산화물의 양이온 중합에 의해 수득한 중합체 또는 공중합체의 탈색 방법이 제공된다.
Patent KR-20010012225-A (KR)
Title: 시멘트 제조장치
IPC: C04B7/36
Filed: 1999-02-22
Abstract: 본 발명은, 폐기물에 포함되는 유해물질을 무해화함과 동시에, 폐기물을 원료로하여 시멘트를 제조할 수 있는 시멘트 제조장치에 관계하고 있다. 
     철편, 수분을 제거하는 폐기물건조전처리장치(A)와, 폐기물 및 성분조정재를 조합한 원료를 혼합하는 원료조합혼합장치(C)와, 성분을 조제한 원료를 소성하여 시멘트 클링커로 하는 클링커소성냉각장치(D)와, 클링커, 석호를 혼합분쇄함과 동시에 필요에 따라 응결조정재를 첨가하여 시멘트를 제조하는 제품분쇄장치(E)와, 클링거소성냉각장치에서 발생하는 배기가스를 급냉하여 다이옥신류의 재합성을 억제함과 동시에 배가스를 무해화하는 배가스처리장치(F)와, 소성냉각장치에서 발생하는 더스트중의 다이옥신류를 가열분해하는 다이옥신분해장치(G)와를 구비하고 있다.
Patent KR-20010013255-A (KR)
Inventor: RIEDEL GUENTER
IPC: C01G15/00
Filed: 1998-05-06
Abstract: The invention relates to a method for producing a shaped body. According to the invention, a mixture of oxidic basic powders or a supraconductor material containing at least 30 % by volume flake-shaped primary particles, with a composition which is such that it forms a high- temperature supra-conductive material when later subjected to the appropriate thermal treatment, is reduced by means of milling, shearing and/or rolling, in such a way that the resulting reduced powder has a particle size distribution with a d 90 value <= 20mum. The reduced powders are then isostatically compacted using the dry mould procedure.
Patent KR-20010068243-A (KR)
Inventor: CHO SEONG GEUN
IPC: H01J29/02
Filed: 2000-01-03
Abstract: PURPOSE: A color cathode ray tube is provided to decrease a convergence drift amount by a charge voltage charged in the inner and outer circumferential planes of a neck part of the color cathode ray tube and improve a focus property of an electronic beam. CONSTITUTION: In a color cathode ray tube, a fluorescent film is formed in the inner side of a panel(32). A funnel(35) is incorporated with the panel and has a neck part(33) and a corn part(34). An electron gun(36) consists of a plurality of electrodes which are included in the neck part and form an electric lens. A deflection yoke(37) is mounted in the corn part of the funnel. An insulation layer(40) is formed on the outer circumferential plane of the neck part or the outer circumferential plane of the corn part to decrease a change in a capacitance of the inside plane of the neck part.
Patent KR-20010073286-A (KR)
Title: Method Of Driving High Frequency Plasma Display Panel
Inventor: YOO JUN YEONG
IPC: G09G3/296
Filed: 2000-01-13
Abstract: PURPOSE: A method of driving a radio frequency plasma display panel is provided which applies a self-erasing pulse to supply a sufficient amount of charged particles required for radio frequency discharge and applies an erasing pulse in a step form or linear form having a positive slope to erase radio frequency discharge surely. CONSTITUTION: A method of driving a radio frequency plasma display panel includes a step of erasing radio frequency discharge using an erasure voltage pulse having a voltage level increasing with the lapse of time. The erasure voltage pulse is provided in a step form or linear form. The method further has a priming discharge step in which charged particles generated according to discharge are accumulated as wall charges with the lapse of time and a self-erasing pulse having a long pulse width that occurs self-erasing discharge according to the wall charges to generate the charged particles used for the radio frequency discharge.
Patent KR-20000018249-A (KR)
Inventor: LEE CHANG WOO
IPC: A61H23/02
Filed: 2000-01-25
Abstract: PURPOSE: An effective chair is provided which is enable to feel sound in sense state as the transmitted ambience of sound. CONSTITUTION: The effective chair contains: Output part which selects assigned frequency around the contact area with chair body and only rectifies positive output at the selected frequency to output it, pulse vibrator(10) which is unilaterally vibrated in generating output, vibrating plate(20) which contacts with output part of pulse vibrator and outer plate(3) of users' contact part, interior finishing groove(6) which receives pulse vibrator wherein output terminal is combined with the plate(20), inner plate(4) which combines with plate(3) and shock-absorbing part which transmits and absorbs shock at both side of the vibrating plate(20).
Patent KR-20010078565-A (KR)
Title: A method for preparation of rigid polyurethane foam
Inventor: HUH CHEOL MIN
IPC: C08G18/00
Filed: 2000-02-09
Abstract: PURPOSE: Provided is a preparation method of hard urethane foam by reacting polyisocyanate and polyetherpolyol containing polyaromatic polyols in water with catalyst and foaming agent such as hydrofluorocarbon and cyclopentane. It has independent isotropic closed cell with the size of 80-130 micrometer and the solid component which constitutes the cells has good heat insulation quality so that the hard urethane foam has excellent heat insulation property. Conventionally used chlorofluorocarbon (CFC) as foaming agent is prohibited from manufacturing and using due to depletion of ozone layer and hydrochlorofluorocarbon (HCFC) and hydrocarbon such as cyclopentane are utilized for the purpose. CONSTITUTION: For the production of the hard urethane foam following reactants are used: 5-70wt.% (to 100wt.% of whole polyaromatic polyols) of individual or 40-70wt.% of mixed aromatic polyols such as toluenediamine polyols, methylenediphenyl diamine and bisphenol-A type polyols, each with OH value of 200-650m; 5-20wt.% of polyester polyol when polyols are used less than 40wt.%; 0.5-20wt.% water and 12-25wt% HCFC or cyclopentane.
Patent KR-20010086833-A (KR)
Title: Mat for finger-pressure theraphy and method of making the same
Inventor: LEE YONG GIL
IPC: A61H39/04
Filed: 2000-03-03
Abstract: PURPOSE: An acupressure mat and a method for manufacturing the same are provided which has a structure that far-infrared ray emitting protrusions for acupressure are adhered. CONSTITUTION: The PVC foam acupressure mat comprises a protrusion part for acupressure which is fused on the surface of a foamed mat textile sheet consisting of PVC. The method for manufacturing the PVC foam acupressure mat comprises the steps of manufacturing a PVC foam mat textile sheet; manufacturing a protrusion part composition for acupressure; and fusing the composition sprayed on the surface of the PVC foam mat in an oven heater at a temperature of 90 to 110 deg.C for 1 to 2 hours after spraying the composition on the mat using a computer aided graphic, square dies and an injector, wherein the protrusion part composition for acupressure comprises 40 to 50 wt.% of polyamide based resin for 100 wt.% of epoxy based resin; and 30 to 40 wt.% of far-infrared ray emitting material for 100 wt.% of the mixture of the epoxy based resin and the polyamide based resin.
Patent KR-20000053761-A (KR)
Inventor: KANG SOO YONG
IPC: E02D17/20
Filed: 2000-04-03
Abstract: PURPOSE: A vegetative concrete retaining wall and a construction method thereof are provided to grow up flowers, lawn and other vegetations in a concrete retaining wall. CONSTITUTION: H beams(13,13') formed horizontally and vertically in the upper and lower portions on the ground are installed at a certain interval and length to satisfy a bending resistance against the earth pressure of a rear face. The space between the H beams is reinforced by an L type beam(14), a steel pipe for other structures and a steel sheet manufacturing steel structure. The length of the protruded portion of the H beam(13) is preferably to be H/6-H/2 of the height(H) of a retaining wall based on the portion where the H beam(13') is combined to the upper portion of the ground. The length of the portion facing rearward is preferably formed to be H/4-H/2 of the height of the retaining wall for the stability. The portion of the H beam(13) formed in the lower portion of the ground is treated by general waterproof concrete. The portion of the other H beam in the upper part of the ground is coated in tiers or unevenness by using water permeable concrete composed particularly.
Patent KR-20010100263-A (KR)
Inventor: LEE SUNG HAN
Filed: 2000-04-03
Abstract: 본 발명은 도로, 철도, 공장 등에서 발생하는 소음공해를 방지하는 흡음재에 관한 것으로, 그 목적은 시멘트 페이스트에 기포의 응집력에 의해 연속공극을 형성하고 이를 단시간에 응결시켜 고강도이면서 중저음영역에서 흡음력이 뛰어난 흡음재를 제공함에 있다. 
     상기 목적을 달성하기 위한 본 발명은, 
     시멘트 페이스트에 시멘트 중량에 대해 급결제를 0.5∼10% 혼합하는 단계; 
     이 혼합물에 기포화한 기포제를 전공극율이 40%∼90%가 되도록 혼합하여 시멘트 페이스트내에 연속공극을 형성시키는 단계; 
     이 혼합물을 양생하는 단계;를 포함하여 이루어지는 연속공극을 갖는 흡음재의 제조방법에 관한 것을 그 기술적 요지로 한다.
Patent KR-20010020727-A (KR)
Title: Sensor attaching unit
Inventor: FUKUSHIMA TADASHI
IPC: A47J27/00
Filed: 2000-04-12
Abstract: PURPOSE: Disclosed is the sensor attaching device of excellent productivity for easily attaching a sensor for detecting the temperature of a member to be temperature-sensed. CONSTITUTION: In this sensor attaching device provided with the member(3) to be temperature-sensed, the sensor(12) for detecting the temperature of the member(3), an energizing elastic member(26) for energizing the sensor(12) in the direction of the member(3), a supporting plate(27) for supporting the sensor(12) through the energizing elastic member(26) and a sensor attaching base(9) for locking the supporting plate, the sensor attaching base(9) is provided with plural engaging ribs provided with a head part on a tip. Also, at the supporting plate, an insertion hole capable of inserting the head part and a rotary hole whose width in a radial direction is smaller than the head part connected to it are formed in a peripheral direction. After inserting the head part to the insertion hole, by rotating the supporting plate, the edge part of the rotary hole is pressurized to the end face of the head part by the compression reaction of the energizing elastic member(26) and the supporting plate is locked in a shaft direction.
Patent KR-20010097532-A (KR)
Inventor: KIM GI UK
IPC: E21F5/18
Filed: 2000-04-24
Abstract: 본 발명은 터널 내부의 분진 제거장치에 관한 것으로, 터널 굴착 공사시 터널 내부에서 발생하는 가스, 분진 등으로 오염된 공기를 깨끗하게 정화시켜 줌으로서 터널 내부의 작업환경을 쾌적하게 하여주는 장치이다. 본 발명의 분진 제거장치는 공기를 유입하는 일단부는 터널 갱구 외부에 노출되고 공기가 유출되는 타단부는 터널 갱구의 막장(12) 부근에 설치되는 송풍관(20)과, 상기 송풍관(20)의 일단부에 설치되고 공기를 그 송풍관(20)을 통하여 터널 내부로 불어 넣어주는 송풍기(30)와, 상기 터널 갱구(10)의 입구 천정에 설치되고 물을 분무시켜 주는 분무파이프(40)와, 상기 터널 갱구(10)의 입구 바닥에 설치되는 배수로(50)로 구성된다.
Patent KR-20010097661-A (KR)
Inventor: BAEK EUL HO
IPC: B62D31/02
Filed: 2000-04-25
Abstract: 본 발명은 버스의 사이드패널 장착구조에 관한 것으로, 버스의 양측벽을 이루는 스트럭쳐(1)에 브라켓(3)이 고정되고, 이 브라켓(3)의 윗면에 도장라인통과시 발포되는 발포테이프(4)가 부착되어, 상기 스트럭쳐(1)에 점용접된 사이드패널(2)의 들뜬부분을 외측으로 밀어줌으로써 사이드패널(2)의 굴곡과 주행중 떨림현상을 방지할 수 있도록 된 것이다.
Patent KR-20010097686-A (KR)
Inventor: KIM HYUN SOO
IPC: A23L21/12
Filed: 2000-04-25
Abstract: 본 발명은 밀감 자체의 고유한 맛과 영양소는 파괴하지 않고 일반인들이 즐겨 먹을 수 있는 엿, 사탕, 젤리 등의 기호식품에 밀감을 첨가시켜 제조하는 방법을 제안한다.
Patent KR-20000077202-A (KR)
Title: 반도체 장치 검사 장치 및 반도체 장치 검사 방법
IPC: G01R31/01
Filed: 2000-05-10
Abstract: 핸들러부(handler section)와 측정부를 포함하는 반도체 장치 핸들러는 기준 샘플을 측정부에 제공된 복수의 DUT부에 탑재하기 위한 기준 샘플 순차 탑재 수단, 상기 기준 샘플의 규정된 검사 항목을 저장하기 위한 제1 저장 수단, 상기 기준 샘플과 관련하여 검사 항목을 측정하고 측정 결과를 저장하기 위한 제2 저장 수단, DUT부의 각각에서의 기준 샘플의 측정값과 상기 제1 저장 수단에 저장된 기준 샘플의 규정된 검사 항목의 값간의 차분값을 연산하고, DUT부의 각각에 대한 보정값을 결정하기 위한 차분값 연산 수단, 각 DUT부에서 각 피검사 반도체 장치 유닛에 대한 규정된 검사 처리를 실행할 때에 각 DUT에 대하여 설정된 보정값을 사용하여 반도체 장치 각각에 대해 규정된 특성값을 결정하기 위한 검사 수단, 및 검사 결과에 따라 피검사 장치를 규정된 카테고리로 분류하기 위한 저장 수단을 갖는다.
Patent KR-20010029719-A (KR)
Inventor: ASAO YOSHIHITO
IPC: H02K1/22
Filed: 2000-05-16
Abstract: PURPOSE: To reduce centrifugal force applied during rotation of a rotor by providing a pole core having claw poles projecting to mesh each other, and a reinforcing body included such that the outer circumferential surface of a magnet for reducing flux leakage from the side face of adjacent claw pole enlarges mutually. CONSTITUTION: A magnet 30 is provided on side faces 23c, 24c of a claw pole 23, 24, while inclining in a direction of enlarging from the center line thereof passing through the center of rotation 7p of a rotor 7 toward the outer circumferential surface 23b, 24b side and thereby no holding part is required. It is cantilevered by a reinforcing body 40 using adhesives. A centrifugal force 30E, being applied to the center of gravity 30j of the magnet 30 during rotation of the rotor 7, is absorbed by the reinforcing body 40 in the form of a moment for turning the magnet 30 and a part of the reinforcing body 40 for holding the magnet 30. Since a side face magnet body 50 turns such that the outside diameter side thereof approaches the side 23c, 24c of the claw pole, the stress becomes less than an allowable range.
Patent KR-20010110927-A (KR)
Inventor: KWON HYEONG JUN
IPC: H03M7/14
Filed: 2000-06-09
Abstract: EFM/EFM+디코딩에 의해 검출된 에러위치를 이용한 C1/PI워드의 에러정정 방법 및 장치가 개시된다. 본 발명에 따른, 채널디코딩 및 에러정정 방법은 채널코드를 설정하는 단계(a); 수신되는 채널데이터 심벌을 설정된 채널코드를 이용하여 복조하여, 정보데이터 심벌 및 이레이저플래그 비트를 포함하는 복조 데이터를 발생하는 단계(b); 및 이레이저플래그 비트가 소정의 값으로 설정된 정보데이터 심벌의 위치를 에러 위치로서 사용하여, 단계 (b)에서 발생된 정보데이터심벌들에 대한 에러-이레이저정정을 수행하는 단계(c)를 구비한다. 본 발명에 따른 채널 디코딩 및 에러정정 장치는, 채널 디코더, 메모리, 에러정정수단을 구비한다. 채널 디코더는 채널코드를 포함하며, 수신되는 채널데이터 심벌을 채널코드를 이용하여 복조하여, 정보데이터 심벌 및 이레이저플래그 비트를 포함하는 복조 데이터를 발생한다. 메모리는 복조 데이터를 저장한다. 에러정정수단은 이레이저플래그 비트가 소정의 값으로 설정된 정보데이터 심벌의 위치를 에러 위치로서 사용하여, 정보데이터심벌들에 대한 에러-이레이저정정을 수행한다. 본 발명에 의하여, 채널 디코딩시에 확인되는 에러위치를 에러정정에 이용함으로써, 에러정정효율을 향상시킬 수 있다.
Patent KR-20010111785-A (KR)
Inventor: HAN O HYEONG
Filed: 2000-06-13
Abstract: 1. 청구범위에 기재된 발명이 속한 기술분야 
     본 발명은 원터치 기능을 이용한 수신불가사유알림 서비스 방법에 관한 것임. 
     2. 발명이 해결하려고 하는 기술적 과제 
     본 발명은 원터치 기능을 이용하여 수신자의 수신불가사유를 발신자에게 간단하게 알릴 수 있는 수신불가사유알림 서비스 방법 및 상기 방법을 실현시키기 위한 프로그램을 기록한 컴퓨터로 읽을 수 있는 기록매체를 제공하는데 그 목적이 있음. 
     3. 발명의 해결방법의 요지 
     본 발명은, 호 착신 상태에서 호 차단 신호의 입력을 확인하는 제 1 단계; 대기시간내에 통화 선택 신호가 입력되지 않음을 확인하는 제 2 단계; 및 수신불가사유알림 서비스임을 나타내는 메시지를 통신망측으로 전송하는 제 3 단계를 포함한다. 
     4. 발명의 중요한 용도 
     본 발명은 무선통신 등에 이용됨.
Patent KR-20010029816-A (KR)
Title: Dicing Blade and Method of Producing an Electronic Component
Inventor: HASEGAWA YOSHIKI
IPC: B28D5/02
Filed: 2000-06-19
Abstract: PURPOSE: To smoothly discharge chips, when a thick work is cut at a high speed by forming at least one slit at an edge tip at the outer perimeter of a ring-like blade which penetrates the edge tip in the thickness direction, with a specified depth of the slit. CONSTITUTION: A dicing blade 1 comprises a ring-like blade 2 comprising a material, for example, diamond (particles). In the ring-like blade 2, an outer perimeter 2a means an edge tip, with an opening 2b formed at the center of the ring-like blade 2, and the opening 2b is connected to a holder. Meanwhile, for the dicing blade 1, a plurality of slits 3a-3d are formed at the edge tip 2a which penetrate it in the thickness direction, with the slits 3a-3d opening toward the edge tip 2a side, while a depth T1 of the representative slit 3c is set larger than the thickness of a work to be cut.
Patent KR-20020001933-A (KR)
Title: A low alloyed high speed tool steel for hot and warm working having good toughness and high strength and manufacture method thereof
Inventor: CHOI HOE JIN
IPC: C22C38/46
Filed: 2000-06-20
Abstract: PURPOSE: A high speed tool steel having high toughness and strength and abrasion resistance and superior high temperature characteristics and a method for manufacturing the same are provided in which superior life cycle of dies is guaranteed as a die material for plastic working and a high life cycle is secured as dies for a metallic or nonmetallic cutting knife in hot, warm and cold working so as to reduce cost of manufacture. CONSTITUTION: The low alloyed high speed tool steel for hot and warm work comprises 0.40 to 0.55 wt.% of C; 1.0 wt.% or less of Si; 0.1 to 1.0 wt.% of Mn; 0.1 to 0.5 wt.% of Ni; 2.8 to 4.8 wt.% of Cr; 1.0 to 3.0 wt.% of Mo; 0.1 to 2.0 wt.% of W (where W+1/2Mo=0.6 to 3.5 wt.%); 0.5 to 2.0 wt.% of V; 0.01 to 0.5 wt.% of Nb (where there are one or more types of V and Nb, and Nb+1/2V=0.26 to 1.5 wt.% when there are two types of V and Nb); 0.1 to 1.5 wt.% of Co; 0.01 wt.% or less of Al; 0.002 to 0.05 wt.% of N; 0.008 wt.% or less of S; 30 ppm or less of O; 0.001 to 0.25 wt.% of one or more elements of REM(rare earth metals) selected from the group consisting of Ce, La, Nd, Y and Fe, wherein REM%/S%=2 to 90, £REM%|£S%|=3x10¬-5 to 100x 10¬-5; and a balance of Fe and a small amount of impurities which can be contained during steelmaking in an electric furnace. The method for manufacturing low alloyed high speed tool steel comprises the steps of manufacturing molten steel comprising the above constituents; solidifying the molten steel in the temperature range of 1500±100 deg.C; hot working the solidified material in the temperature range of 1100±150 deg.C; spheroidizing annealing the hot worked material in the temperature range of 850±60 deg.C; and performing one or more times of quenching in the temperature range of 1000 to 1180 deg.C and tempering in the temperature range of 80 to 700 deg.C in a quenching and tempering furnace.
Patent KR-20010007465-A (KR)
Inventor: MOTOMURA ISATO
IPC: H01M10/0566
Filed: 2000-06-21
Abstract: PURPOSE: To provide a nonaqueous electrolyte secondary battery which is superior in heavy load discharge characteristic, reduced in cost and excellent in safety. CONSTITUTION: In this nonaqueous electrolyte secondary battery constituted by overlapping a negative electrode 1 containing a negative electrode active material and a positive electrode 2 containing a positive electrode active material via a separator 3 and injecting nonaqueous electrolyte, spinel-based manganese compound metal oxide is used as the positive electrode material and paper of 15 to 60 μm thick and 1 to 10 second/100 cc in air permeability is used as the separator 3. By using paper without no risk of fusion/outflow as a material of the separator 3, excellent heat resistance and battery characteristic can be imparted. By using the spinel-based manganese compound metal oxide as the positive electrode active material, a heavy load discharge characteristic can be improved.
Patent KR-20020003691-A (KR)
Title: Globe auto-ejector usable in a globe coating device
Inventor: BAIK HAN YOUL
IPC: B29C41/20
Filed: 2000-06-27
Abstract: PURPOSE: An automatic discharging device of a glove-coating device is provided to automatically withdraw gloves, to improve productivity by discharging the gloves as a pair and to prevent an accident. CONSTITUTION: An automatically discharging device in a glove coating device comprises a piling guide(23); a cylinder(22) mounted on an upper portion of the piling guide; a supporting plate(21) operated by the cylinder; a piling plate(24) formed in the piling guide; a rack gear(25) supporting the piling plate; a guide(26) inserting the rack gear; an electromagnet(27) mounted on an upper portion of the rack gear; an operator(28) of the electromagnet geared with the tooth of the rack gear; a pin(29) installing an extension unit(28a) on a side of the operator; a spring(33) elastically supporting the operator; a base(4) connected to a lower end of the rack gear by a spring(40); a cylinder(33) installed on the operator; a bracket supporting the cylinder; a latchet hole(30) elastically connected to the base by the spring; a discharging guide(35) arranged on a piling guide; and a closed plate(36) operated by the cylinder.
Patent KR-20020000658-A (KR)
Title: Intelligent power module using chip type of power switching element
Inventor: KIM YONG GAP
IPC: H05K13/04
Filed: 2000-06-27
Abstract: PURPOSE: An intelligent power module using a chip-type power switching element is provided to reduce a manufacturing cost of IPM, and minimize size of the IPM by attaching a heat sink to a rear surface of the IPM. CONSTITUTION: A body includes a plurality of input terminals(111) and output terminals(113) on both side surfaces in length direction. A receiving part(115) receives a printed circuit board. A stepped portion(117) is formed to make the input terminals and the output terminals possible to be bonded by the printed circuit board and a wire(101). A coupling hole(119) is formed to make the heat sink(130) possible to be attached on both side surfaces in width direction. The printed circuit board is a single layer having a pattern on only a front surface thereof. A driving circuit(125) drives a power switching element(121) and a protection circuit(123). An IC chip is used as the power switching element. The chip-type power switching element(121) is bonded by the wire(101) and the pattern of the printed circuit board(120) to be interposed between the output terminals(113) and the driving circuit(125).
Patent KR-20020005339-A (KR)
Title: Anatomy conguest and maintenance of bone fracture
Inventor: PARK CHAN HYUP
IPC: A61B17/84
Filed: 2000-07-06
Abstract: PURPOSE: A method for anatomically reducing and supporting fractured face bone in reduction of fractured face bone is provided to reduce correctly as originally and support both sides of a fractured face bone having a complex structure using bone clamp in fracture of the face bone. CONSTITUTION: The method comprises the following steps of: punching more than two holes(10, 10a) having a diameter of below 1-2 mm at right/left sides or top/bottom sides with the respect of a fractured part of face bone(100), inserting a known bone clamp(200) into the holes, clamping the face bone and the clamp together, and supporting the clamped state. The process allows for the holes to form in proper positions of fractured face bone with a proper space and reduce simply and perfectly the fractured bone, even if the bone complicatedly fractured on all sides.
Patent KR-20020006946-A (KR)
Title: Method for eliminating fading substance in a wood
Inventor: KIM JIN GU
IPC: B27K5/00
Filed: 2000-07-14
Abstract: PURPOSE: A method for removing discolored matters in a natural raw lumber is provided to improve work efficiency without bending the wood or burning the wood during the process, and to express the natural raw lumber's own patterns and colors better. CONSTITUTION: The method for removing discolored matters in a natural raw lumber, having less than 15% of moisture content and having been dried for 2 to 12 days under the sun, is comprised of the steps of preparing a mixed solution including oxygenated water and ammonia at a mixing ratio of 1.5:1 to 3:1, and spreading the raw lumber with the mixed solution 1 to 10 times or soaking the raw lumber in the mixed solution for 1 to 5 minutes in order to remove the discolored matters contained in the raw lumber. Preferably, the concentration of the oxygenated water is between 25% and 45%, and the concentration of the ammonia is between 10% and 30%.