baber/WOPTO huggingface dataset:
Patent KR-20000020330-A (KR)
Title: Method of manufacturing raised source/drain of transistor
Inventor: KANG U TAK
IPC: H01L21/24
Filed: 1998-09-19
Abstract: PURPOSE: A method of manufacturing raised source/drain of a transistor is provided to minimize an area of a substrate when applying silicide to shallow source/drain regions. CONSTITUTION: A method of manufacturing raised source/drain comprises the steps of: forming a gate electrode layer composed of sequentially multi-laying a gate electrode and a gate mask; forming a spacer on both side walls of the gate electrode layer; forming source/drain regions by injecting impurity ions into both sides of the gate spacer on a semiconductor substrate; forming a silicon epitaxial layer on the source/drain regions on both sides of the gate spacer; and silicidying all of the silicon epitaxial layer.
Patent KR-19980087907-A (KR)
Title: 발광기능을 가진 반디벌레 장치
IPC: G09B23/36
Filed: 1998-09-28
Abstract: 반디벌레의 형상을 한 수지의 몸체와 반디벌레의 형상을 한 배모양의 수지를 요철의 홈으로 압착 고정하고 위와 같은 모양의 수지내부에 회로판, 전지, 발광부와 양쪽 날개SW, 입SW를 구성하여 전선으로 배선하고 반디벌레의 특징을 하는 발광부의 발광다이오드를 점멸시키고자 하는 곤충 관찰 및 장난감 장신구로 활용하고자 하는 발명이다.    즉 반디벌레의 형상수지를 손으로 쥐면 날개SW에 의해 ON이 되고 반디벌레의 입 부분에 물을 주면 절연체 스폰지 속의 입SW가 ON되어 반디벌레의 꽁무니에 LED가 점멸하는 것을 특징으로 한다.    밤에는 PHOTO TR에 의해 손으로 쥐기만 하면 LED가 점멸하는 것을 특징으로 한다.
Patent KR-19990036971-A (KR)
Title: 사권취장치 및 방법
IPC: B65H54/28
Filed: 1998-10-09
Abstract: 사를 반대로 회전하는 로터 블레이드와 연달아 접촉시킴으로써 왕복운동시키는, 주행하는 사를 왕복운동시켜서 권취사패키지를 형성하는 사트래버스장치.  블레이드는 각자 변속회전속도로 구동될 수 있어서, 로터 블레이드의 길이에 따라 반경방향으로 사의 위치에 상관없이, 사의 트래버스속도는 일정하거나 가변적일 수 있는 소정의 트래버스속도 프로파일을 따르도록 제어될 수 있다.
Patent KR-20000025837-A (KR)
Title: Composite oxide and its producing method thereof
Inventor: LEE YEONG GIL
IPC: B01J23/887
Filed: 1998-10-14
Abstract: PURPOSE: A solid catalyst for producing a nitride compound having a core-shell structure is provided to have more excellent activation characteristic than in a complex oxide catalyst. CONSTITUTION: A core part of a solid catalyst takes silica as a carrier and is produced with slurry method to properly add up an active metal such as iron, nickel, molybdenum and so on. It is desirable that more than one element selected among boron, phosphorus and molybdenum is contained as an an element, and more than one element selected among nickel, cobalt, manganese, magnesium, cesium and calcium is contained as a B element. In addition, it is desirable that more than one element selected among iron, chrome, cerium, vanadium, niobium and tellurium is contained as a Q element.
Patent KR-20000039044-A (KR)
Title: Parking brake of disc brake
Inventor: HYEON SE JONG
IPC: B60T1/06
Filed: 1998-12-10
Abstract: PURPOSE: A parking brake of a disc brake is provided to reduce rear volume of a caliper housing as well as to be easily installed and processed by improving the structure of the parking brake. CONSTITUTION: With stepping on a brake pedal, a master cylinder generates operating hydraulic pressure and the hydraulic pressure is delivered to a pressure chamber(38) through an oil inlet hole(39). The pressure is increased and a piston(37) advances to a disc(30). A caliper housing(33) moves to an operation unit(33a) with reaction and pad plates(31a,31b) are compressed into a disc face. When a driver pulls a parking lever, a parking cable is pulled and a cam shaft(70) rotates with a rotating lever(80). Then, a sliding member(60) is pushed to the disc, guiding a supporting pin(62) along a spiral guiding groove. Thus, the sliding member pushes an operating shaft(43) and the operating shaft pushes the piston through a supporting sleeve(40) in order to compress the pad plates into the disc face.
Patent KR-20000042262-A (KR)
Title: Control system of evaporative gas and the method
Inventor: KIM SHIN IL
IPC: B60K15/10
Filed: 1998-12-24
Abstract: PURPOSE: A control system of evaporative gas and the method are provided to control a positive crankcase ventilation (PCV) precisely, to compensate air/fuel ratio, and to stabilize an engine by measuring a mass of evaporative gas, which is generated in a fuel tank or a device to form mixed gas, entering an engine. CONSTITUTION: A control system of evaporative gas and the method comprises; a pressure sensor (21) to sense a pressure of evaporative gas in a canister, a memory (22) to store compensation values of air/fuel ratio corresponding to pressure values from the pressure sensor; a vent interception device (24) to shut and open a vent line connected to the canister; an ECM(Engine Control Management)(23) to confirm a temperature of an engine and driving condition, and to control the vent interception device and PCV, to compensate air/fuel ratio.
Patent KR-20000043398-A (KR)
Title: Method of drying control of washing machine
Inventor: AHN HYEON JU
IPC: D06F33/02
Filed: 1998-12-29
Abstract: PURPOSE: A drying control method of a washing machine having two water tanks is provided, which makes rinsing of laundries possible during a drying action so can shorten the number of washing out. CONSTITUTION: A drying control of a clothes washer with two water tanks has a first step judging whether a drying action mode is chosen, a second step accepting setting input of a drying condition when the drying mode is chosen, a third step discerning if the received condition is drying with water supply process, a fourth step working a drying motor and a water supply valve when the condition is drying with water supply or performing only a drying process by operating the drying motor, and a fifth step completing the drying action if drying time reaches preset time.
Patent KR-20000043578-A (KR)
Title: Manufacturing method of capacitor
Inventor: CHO HO JIN
IPC: H01L21/02
Filed: 1998-12-29
Abstract: PURPOSE: A manufacturing method of a capacitor is to allow to use the conventional metal having the poor oxidation-resistant property as the storage node electrode of a highly integrated device. CONSTITUTION: A method comprises the steps of: filling a contact hole with a polysilicon(3) after applying an isolation film(2) on a silicon substrate(1) and forming a contact hole on the isolation film; etching and removing the films so that they remains only on the contact hole after successively depositing a diffusion prevention film and a lower electrode film(6) on the whole structure; depositing a BST((Ba, Sr) TiO3)) film(7) in an amorphous state on the whole structure within a temperature range where the lower electrode film is not oxidized; heat-treating and crystallizing of BST film of the amorphous state; and depositing an upper electrode film(8) on the crystallized BST film.
Patent KR-20000044114-A (KR)
Title: Vibration motor
Inventor: KIM NAM SEOK
IPC: H02K5/124
Filed: 1998-12-30
Abstract: PURPOSE: A vibration motor is provided to reduce the manufacturing cost and enhance the work efficiency by pressure-conveying a contact bar of a communicator into the inside of a brush base. CONSTITUTION: A case(100) has a housing(300) extended in a certain length. A brush base(200) having a brush(220) is inserted into on end of the case(100). A communicator(400) having a contact bar(410) contacting to the brush(220) is located on the cased(100) adjacent to the brush base(200) and the contact bar(410) is inserted in the inside of the brush base(200). A stopper(420) is incorporated with the contact bar(410) and has a relatively large diameter compared to the diameter of the contact bar(410). A shaft(500) is inserted in a guide hole(310) of the housing(300).
Patent KR-20000046605-A (KR)
Title: Light weight/insulating/sound absorbing plate having layered height as width and producing method thereof
Inventor: JEUNG TAE SU
IPC: E04B1/84
Filed: 1998-12-31
Abstract: PURPOSE: A light weight/insulating/sound absorbing plate is provided to construct the curved part of a tunnel or the wall or the wall of a structure by maintaining a thickness even if the plate is curved for a certain curvature. CONSTITUTION: Laminated plates(12) are layered for being pressured. Herein, the height of the laminated plates becomes a certain part of the width of a plate. Then, light weight/insulating/sound absorbing plates(10) are adhered by using an adhesive for being rotated for 90 degrees. And, the plate is cut in order for obtaining a light weight/insulating/sound absorbing plate(100). When a finishing functional plate is attached on one surface of the light weight/insulating/sound absorbing plate, the plate is used for a flat surface and for a curved surface. Herein, the light weight/insulating/sound absorbing plate contains a structure of vertically layered top plates for maintaining a uniform thickness while forming a curvature according to the adjustment of external force toward the vertical direction.
Patent KR-20000046654-A (KR)
Title: Breaker
Inventor: PARK DU HUI
IPC: E21B4/16
Filed: 1998-12-31
Abstract: PURPOSE: A breaker is provided to increase the ascending speed and hitting force of a piston without increasing the entire rated voltage by installing a piston accelerator. CONSTITUTION: A cylinder conversion chamber(11) is interlocked with a cylinder low voltage chamber before a piston(4) hits a chisel(6). A valve conversion chamber of a control valve(5) is converted to a low voltage state so that a valve body(14) is moved to a lower part, and the piston hits the chisel(6). When the valve body drops, an upper partition chamber(8) becomes the low voltage state, and a piston unit(34) of an accelerator(30) is moved to a lower part. Then, the pressure in a gas chamber(13) is kept in an initial state, and an upper end of the piston returns to the volume of the gas chamber and an original state. When the breaker becomes the initial state, the piston ascends in a moment and reciprocates. The chisel is hit so that a crushing action is performed. The supply of compressed oil is blocked in order to stop the crushing action.
Patent KR-20000046900-A (KR)
Title: Apparatus for measuring impulse response
Inventor: CHA YOON CHEOL
IPC: G01R29/00
Filed: 1998-12-31
Abstract: PURPOSE: An apparatus for measuring an impulse response is provided to measure an impulse response in real time by using a reflection removing device. CONSTITUTION: An apparatus for measuring an impulse response comprises a first analyzing filter bank(100), a second analyzing filter bank(200), a plurality of bandwidth adapting filters, and a subband adapting filter. The first analyzing filter bank(100) analyzes white noise signals according to the bandwidth. The second analyzing filter bank(200) analyzes input signals of a microphone. The subband adapting filter comprises an adder which calculates the errors of the bands by using the output signals of the second analyzing filter bank(200) and the output signals of the bandwidth adapting filters.
Patent KR-20000047008-A (KR)
Title: Method for equalizing thickness of super-plastic formed product by preliminary formed body using rotary forming
Inventor: LEE JEONG HWAN
IPC: B21K21/04
Filed: 1998-12-31
Abstract: PURPOSE: A method is provided to process a preliminary formed body controlled its distribution of thickness with a regular ratio by rotary-forming a raw material to solve a problem unequaled the thickness for each part of a formed product when the raw material having a uniform early thickness is performed a super-plastic blow forming. CONSTITUTION: A raw material is located in a lower die(3). A upper punch(2) is rotated in an inclined state about 3-7degrees centering a shaft(C) and is fallen toward the lower die(3). The raw material is rotated at a rotating speed of 200-300rpm in the inclined state for the axial center by the rotation of the upper punch. The rotation of the upper punch is made as an orbital or a clover form and is used an appropriate form according to a shape and a material of a product. The raw material is formed to a preliminary formed body(4) having a flat upper face and a lower face as a upper facial shape of the lower die(3) by the compressive force of the rotating upper punch. A load is 100-150tones and a processing time is spent maximum 10seconds. The raw material(1) is formed to the preliminary formed body having a conical section to reduce a thickness from a pole to a clamped portion. A difference of thickness is appropriated because a damage of a flow formed product is generated when a difference of thickness between the pole and the clamped portion is large.
Patent KR-19990067374-A (KR)
Title: 에리트로포이에틴의 헤파린 크로마토그래피
IPC: C07K1/22
Filed: 1996-10-17
Abstract: 본 발명은 헤파린 크로마토그래피를 이용하여 생물학적 유체 및 배양액으로부터 에리트로포이에틴을 회수하기 위한 간단하고 효과적인 방법에 관한 것이다.  본 발명은 에리트로포이에틴의 연구 및 상업적 정량을 획득하는데 사용될 수 있다.
Patent KR-19990072108-A (KR)
IPC: A61F13/72
Filed: 1996-12-06
Abstract: A protective device (10) for improved hygiene is removably attached to the undergarment (26) of a user. The device has a top side and a bottom side. The bottom side includes an adhesive material (24) for attachment to the undergarment. An absorbent article (26), such as a disposable menstrual pad, is removably attachable to the top side of the device. The device includes at least one hydrophobic layer that acts to repel moisture and thereby save the undergarment from being soiled. The user can change the pad (26) as required by removing it from the top side of the device without the need to remove or replace the device itself at each pad-changing interval.
Patent KR-19990076738-A (KR)
Title: 우레아기 함유 미공질 폴리우레탄 엘라스토머
IPC: C08G18/40
Filed: 1996-12-16
Abstract: 본 발명은 개선된 동적 기계적 특성을 갖고 본질적으로 4,4'-MDI로 이루어지는 이소시아네이트 성분 및 다른 표준 성분들을 기재로 하는 미공질 PU 엘라스토머에 관한 것이다.  8-24 시간 동안 100-120℃에서 예열한 후에 제안되는 엘라스토머는 20℃/분의 가열 속도에서 시차 스캐닝 열량계(DSC)로 측정되는 하한 130℃ 내지 상한 230℃의 용융점 및 14-18 중량 %의 우레아 함량을 갖는다.  또한 개선된  동적 기계적 특성을 갖는 미공질 PU 엘라스토머의 제조 방법 및 감쇠 부재를 제조하기 위한 엘라스토머의 용도도 개시한다.
Patent KR-19990087377-A (KR)
Title: 코드분할 및 시분할을 이용한 다중 액세스 통신 시스템 및 방법
IPC: H04J1/00
Filed: 1997-02-20
Abstract: 코드 분할 다중 액세스(CDMA)와 시분할 다중 액세스(TDMA)를 사용하는 다중 액세스 통신 시스템 및 방법에서, 정보 신호를 공통 주파수 스펙트럼을 통해 전송될 CDMA 코드워드로 코딩하고, 할당된 타임슬롯 동안에만 전송하도록 CDMA 코드워드를 시간 압축하고, 할당된 타임슬롯 동안에만 수신기를 활성화하여 시간 압축된 CDMA 코드워드를 수신하고 압축해제하며, 압축해제된 CDMA 코드워드를 디코딩하여 정보 신호를 복원한다.
Patent KR-20000064987-A (KR)
Title: 전계 효과-제어 가능 반도체 소자
IPC: H01L29/10
Filed: 1998-01-27
Abstract: 본 발명은 전계 효과-제어 가능 반도체 소자에 관한 것이다.  본 발명에 따르면, 새로운 평탄화 기술을 사용하는 IGBT가 제공되며, 베이스 영역(6) 주위에 배치되는 차폐 영역(13)의 결합은 IGBT의 음극면에서의 소수 전하 캐리어 밀도를 증가시키고, 이는 순방향 전압(V CESat )의 감소를 가져온다.  차폐 영역(13)과 베이스 영역(6) 사이의 농도 변화로 인해 형성되는 부동 필드의 효과는 내부 영역이 더 이상은 소수 전하 캐리어에 대한 싱크와 같은 역할을 하지 않도록 하는 것이다.  IGBT의 항복 전압이 차폐 영역(13)의 결합에 의해 감소되지 않도록 하기 위하여, 높은 전도도의 비접속 부동 영역이 내부 영역(2)에 배치되고, 비접속 영역의 하부 에지부(16)는 차폐 영역(13)의 하부 에지부(14)보다 내부 영역(2)에서 더 깊다.  비접속 부동 영역(15)은 차폐 영역(14)과 내부 영역(2)에 대해 반대되는 도전형이다.
Patent KR-20000010978-A (KR)
Title: Regenerable catalyzing trap and device, and using method thereof
Inventor: RAMBERT JORDAN K
IPC: B01J23/63
Filed: 1997-05-01
Abstract: PURPOSE: A method is provided to absorb an absorbing element such as SOx or POx onto the catalyzed trap member including the combination of an absorbent and an oxide catalyzer for the period of catching from a stream in a flammable element rarefied gas. CONSTITUTION: The method has the steps of: passing the catalyzed trap member consisted of the combination of a regenerable absorbent which can regenerate the gas stream within a range of an absorbing temperature and an oxide catalyzer; supplying the absorbing element-dried up gas stream discharged from the catalyzed trap member by absorbing some of the absorbing element onto the absorbent; introducing the flammable element in the gas stream of the upper part of the trap member and burning the flammable element under the existence of the oxide catalyzer; heat-removing the absorbing element from the absorbent and supplying the absorbing element-thick gas steam.
Patent KR-20000016215-A (KR)
Title: Mouthwash composition comprising cetylpyridinium chloride and an amphoteric surfactant
Inventor: MCCONVILLE PETER SCOTT
IPC: A61K8/40
Filed: 1997-05-20
Abstract: PURPOSE: Disclosed is a mouthwash composition including cetylpyridinium chloride and an amphoteric surfactant. CONSTITUTION: The mouthwash compositions are described comprising cetylpyridinium chloride and amidobetaine amphoteric surfactants of formula (I):RC(O)NH(CH2)aN+(R1)(R2)(CH2)bCO2-, wherein R is C10-20 alkyl; R1 and R2 are independently C1-4 alkyl; a is an integer from 1 to 4; and b is an integer from 1 to 4.
Patent KR-20000050387-A (KR)
Inventor: CHOI GWON SU
IPC: H01J31/15
Filed: 1999-01-08
Abstract: PURPOSE: A flat plate type image displaying apparatus is provided to prevent a degradation of a substrate for displaying an image by light or heat, thereby improving a picture quality. CONSTITUTION: A flat type image displaying apparatus comprises a substrate(21) in which a flat image displaying portion is formed, a conductive layer(25) which is made of a conductive material and disposed at a lower portion of the substrate, and a light interrupting screen(33) which is disposed at a lower portion to interrupt light or heat. The light interrupting screen is made of an organic and inorganic compound for an illuminating lens. The conductive material and the conductive layer are formed of a transparent material to clearly display an image. The conductive material is made of ITO or SiO2.
Patent KR-20000051068-A (KR)
Inventor: CHO YEONG SANG
IPC: C01G23/00
Filed: 1999-01-18
Abstract: PURPOSE: A process for producing barium titanate powder by the hydrothermal reaction of a titanium organic metal compound with a barium salt is provided which gives the superfine powder having a mean particle size of 20 to 30 nm and being excellent in crystallinity. CONSTITUTION: A process comprises preparing a sol precursor using titanium acylate and a barium compound, co-precipitating by injecting the sol precursor to a concentrated alkali solution at a pH higher than 13, crystallizing barium titanate powder from the precipitating solution and purifying through washing processes to obtain superfine particles of crystalline barium titanate useful in the field of electronics. In future, by applying the superfine barium titanate powder to the field of electronic, information and communication, in particular a laminated capacitor, a barium titanate layer it will improve product quality and reduce the production cost.
Patent KR-20000055208-A (KR)
Inventor: JEON SI MOON
IPC: D06F35/00
Filed: 1999-02-04
Abstract: PURPOSE: A laundry machine having slant washer tub is provided to achieve an augmented efficiency of washing action while allowing the washer tub to have a slant by rotating a hanger during washing and rinsing operations. CONSTITUTION: A laundry machine comprises a washer tub(60) installed to be hung to an outer case(51), a rod(81) of which upper end is pivot-connected to the outer case(51), a damper case(83) for accommodating a lower end of the rod(81) and of which one portion gets caught by a bracket(61a) so as to support the washer tub(60), a damper base having a hole and which is fixed to the lower end of the rod(81) and arranged to be vertically movable within the damper case(83), a spring having an upper end fixed to the damper case(83) and a lower end penetrating through the hole of the damper base, and a driving member for rotating the rod(81) so as to thereby allow the washer tub to have a slant at a predetermined angle.
Patent KR-19990072656-A (KR)
IPC: C12P13/20
Filed: 1999-02-12
Abstract: 푸마르산, 암모니아, 알칼리 금속 수산화물을 함유하는 혼합용액에 아스파타제를 작용시키고 L-아스파라긴산염을 함유하는 반응액을 수득하고, 그 반응액으로부터 L-아스파라긴산을 결정화하여 L-아스파라긴산을 제조하는 방법에 있어서, 전기 L-아스파라긴산염을 함유하는 반응액에, 암모니아를 추가하고 푸마르산을 첨가함으로써 L-아스파라긴산을 정석(晶析)하여 결정성 L-아스파라긴산을 제조하는 것을 특징으로 하는 L-아스파라긴산의 제조방법.
Patent KR-19990072701-A (KR)
IPC: G03F7/039
Filed: 1999-02-18
Abstract: 본 발명은 고성능 감광성 포지티브-톤(positive-tone) 레지스트 및 이의 제조 방법에 관한 것이다.  한 양태에서, 본 발명의 중합체 수지 조성물은 둘 이상의 혼화성 수성 염기 가용성 중합체 수지의 블렌드를 포함하는데, 여기서 상기 블렌드의 수성 염기 가용성 중합체 수지중 하나는 고활성화 에너지 보호기에 의해 부분적으로 보호되고, 상기 블렌드의 다른 수성 염기 가용성 중합체 수지는 저활성화 에너지 보호기로 부분적으로 보호되어 있다.   본 발명의 또다른 양태에서는, 중합체 수지는 이중 차단된 중합체 수지를 포함하고, 상세하게는, 이중 차단된 중합체 수지는 둘 이상의 상이한 산 불안정 보호기를 포함는데, 이는 중합체 수지의 극성 작용기중 단지 일부만을 차단한다.  이러한 중합체 수지 조성물 또는 이중차단된 중합체 수지, 하나 이상의 산 발생체 및 용매를 포함하는 화학적으로 증폭된 레지스트 시스템(chemically amplified resist system) 또한 본원에 제공된다.
Patent KR-20000059438-A (KR)
Inventor: KIM SEONG JUN
IPC: B01D53/04
Filed: 1999-03-03
Abstract: PURPOSE: Provided is a method for purifying hydrogen chloride containing halogenated hydrocarbons and hydrogen fluoride as impurities and generated from hydrocarbon manufacturing process into high purity anhydrous hydrochloric acid which can be used to make foods, medicines and semi-conductors. CONSTITUTION: A method for purifying hydrogen chloride comprises passing hydrogen chloride, which contains halogenated hydrocarbons and hydrogen fluoride as impurities generated from the processes of preparing chlorofluorocarbon(CFC) or hydrochlorofluorocarbon(HCFC), into an active carbon adsorbing column(2) and alumina adsorbing column(3) successively. Wherein the space velocity at the active carbon adsorbing column is 10 to 20 hr-1 and the space velocity at the alumina adsorbing column is 100 to 200 hr-1 to simultaneously remove the halogenated hydrocarbons and hydrogen fluoride to less than 50 ppm and 1 ppm, respectively.
Patent KR-20000061364-A (KR)
Inventor: KIM U JUN
IPC: A23J3/06
Filed: 1999-03-25
Abstract: PURPOSE: A process for preparing calcium and gelatin from an animal's bones is provided, which can be added to various kinds of food to prevent diseases from calcium deficiency and to produce high value-added products from wasted resources. CONSTITUTION: The preparing process of calcium and gelatin from an animal's bones comprises the steps of: washing bones and dehydrating it; separating attached meats from bones with separating apparatus; heating the separated bones at a temperature of over 110°C, desirably 110-130°C and pressing with over 2kg/cm¬2, 2-4kg/cm¬2 desirably for 1-2 hours, in this step collagen is gelatinized and can separate of calcium phosphate, calcium carbonate and collagen; cooling the separated calcium and gelatin at room temperature; grinding the mixture with ice in grinder; grinding it to fine powder again; and encapsulating the powder to use as food additives.
Patent KR-19990046551-A (KR)
Title: 설치가쉬운자동차용정전기예방손잡이
Filed: 1999-03-29
Abstract: (1) 발명에 속한 기술분야 : 자동차 제조회사의 도어제조 분야 
     (2) 발명의 목적 : 본 발명은 자동차의 승하차시 전기쇼크로 놀라거나 기분이 상하게된다. 이를 해결하여 쾌적한 운전에 도움을 주는데 그 목적이 있다. 
     (3) 발명의 구성 : 동판이나 신주로 만든 예방 손잡이(5)와 접지선(2) 접지단자(1)로 이루어지며 사용방법도 포함된다. 
     (4) 발명의 효과 : 자동차에서 하차 할 때 생기는 정전기를 예방하여 전기쇼크가 생기지 않는 확실한 효과가 있다. 
     본 발명품은 제조가 간단하고 설치가 쉬우며 사용할 때 꼭 손잡이 부분을 파지하고 조심스럽게 내리면 안전과 정전기의 쇼크도 동시에 방지할 수 있는 확실한 효과가 있다.
Patent KR-20000061748-A (KR)
Inventor: JIN SEONG U
IPC: B60R22/46
Filed: 1999-03-30
Abstract: PURPOSE: A safety device of a webbing is provided to closely adhere a user to a seat by having the extended length of a webbing two times longer than the stroke of a piston. CONSTITUTION: While a webbing stops withdrawing by the change of acceleration of a vehicle, a piston moved by the pressure of gas and a wire(20) is pulled out. The wire smoothly moves without left or right displacement by a roller(50) and a semicircular guider(52) of the roller. A mobile guide(40) connected with the end of the wire is shifted inside of a fixed guide(30) and taps(45a,45b) on both ends of a bar(42) are cut. A ball(46) inserted between an elastic ring(48) horizontally and a fixed(44a) moved while contacting to one face of the fixed shaft. The webbing penetrated through a long hole(42a) in the central of the bar is pulled in.
Patent KR-19990082949-A (KR)
Title: 기판 연마장치 및 반도체 기판의 연마방법
IPC: B24B37/30
Filed: 1999-04-06
Abstract: 기판 연마장치에는, 연마 표면을 갖는 턴테이블(36)과, GaAs 반도체 웨이퍼(12a∼12d)가 부착되는 부착 표면을 갖는 플레이트(11)와, 플레이트(11)에 부착된 GaAs 반도체 웨이퍼(12a∼12d)와 턴테이블(36)의 연마 표면 사이의 간격을 조정하는 포인트(42a∼42d)와, 포인트(42a∼42d)가 형성되는 플레이트(11)의 부분으로부터 플레이트(11)의 외주연으로 연장되도록 형성된 노치(16a∼16d)가 설치된다. 반도체 기판을 연마하는 방법은 상기한 기판 연마장치를 사용한다.