baber/WOPTO huggingface dataset:
Patent KR-20040019682-A (KR)
Title: Antenna jointing/disjointing device for portable terminal
Inventor: LEE CHANG JU
IPC: H04B1/00
Filed: 2002-08-29
Abstract: PURPOSE: An antenna assembler/disassembler of a portable terminal is provided to install 3 clamping projections for holding an antenna assembled with a terminal, and to make the clamping projections reciprocate at 120-degree intervals, respectively, thereby assembling or disassembling the antenna. CONSTITUTION: An antenna assembler/disassembler(400) has a driving motor(411), an assembling device(410) consisting of a clamping unit, and a holder(450). A deceleration module(413) and a torque controller(415) are installed to control a rotational force of the driving motor(411). A setup unit and a controller set and control various operations of each component of the antenna assembler/disassembler(400). The driving motor(411) generates the rotational force to assemble an antenna(403). The clamping unit consists of a pneumatic engine(417) and a clamper(419). The antenna(403) is fixed into the clamper(419) by clamping projections. A rotational circular plate assembles or disassembles the antenna(403). A holder(450) has a setting groove(451) where a terminal(401) temporarily assembled with the antenna(403) is set.
Patent KR-20030019249-A (KR)
Title: Ink jet recording sheet
Inventor: ASAI SHIGEKI
IPC: B41M5/00
Filed: 2002-08-30
Abstract: PURPOSE: Provided is a recording sheet for an ink jet printer which improves recording properties such as vividness of images, printing density, etc., and shelf life such as light resistance of images, ozone resistance, etc. CONSTITUTION: The recording sheet comprises a base material and an ink receiving layer provided on at least one surface of the base material, wherein the recording sheet contains oligosaccharide and divalent metallic salt. The oligosaccharide and divalent metallic salt are contained in the ink receiving layer. The oligosaccharide includes at least one maltooligosaccharide having a glucose polymerization degree of 2 to 10. The oligosaccharide is at least one selected from maltose, maltotriose, maltotetraose, maltopentaose, maltohexaose, and maltoheptaose.
Patent KR-20040021157-A (KR)
Title: Apparatus for detecting a sheet
Inventor: CHOI SEONG SEOK
IPC: B41J13/00
Filed: 2002-09-02
Abstract: PURPOSE: A paper detecting device is provided to prevent a paper jam by preventing papers passing through a guide plate from making contact with a sensor hole. CONSTITUTION: A paper detecting device includes a sensor hole(115), a sensor lever(120), and a sensor(130). The sensor hole(115) is formed in a position capable of easily detecting papers passing through a guide plate(110). The sensor hole(115) has a triangular shape in such a manner that one end of the sensor lever(120) is prevented from making contact with the sensor hole(115) when one end(121) of the sensor lever(120) is operated by the paper. The sensor lever(120) has a rod shape. A hinge section(123) is provided to rotatably support the center of the sensor level(120). The hinge section(123) is fixed to the guide plate(110).
Patent KR-20030038347-A (KR)
Title: Heat exchanger and method of manufacturing the same
Inventor: SUGIYAMA YOUICHI
IPC: B21D53/02
Filed: 2002-09-10
Abstract: PURPOSE: To provide a method of manufacturing a heat exchanger with good productivity and less pressure loss. CONSTITUTION: A corrugated element 8 is made by bonding a corrugated plate 6, which is formed by working a thin plate in a wave shape, to one side of a heat conductive, thin plate partition member 2, and an opened corrugated 4 is made by cutting and removing the respective crest parts of the corrugated plate 6 of the corrugation element 8. The opened corrugated elements 4 are piled up and bonded together such that flow channels defined by the cut corrugated plates 6 alternately cross each other and extend parallel to each other. The corrugated element is formed in a both side pasteboard structure and is cut horizontally at about a half of a corrugation height of its corrugated plate 6 to make two opened corrugation elements. The opened corrugation elements are piled up and bonded together such that flow channels defined by the cut corrugated plates alternately cross each other and extend parallel to each other.
Patent KR-20040023194-A (KR)
Title: a combi method prevent a neutral flower for concrete
Inventor: LEE RAE HYOUNG
IPC: C09D1/06
Filed: 2002-09-11
Abstract: PURPOSE: A combination method for preventing the neutralization of concrete is provided, to improve the lifetime of concrete structure by coating (painting) a ceramic paint on the surface. CONSTITUTION: The combination method comprises the steps of mixing an inorganic paint with 20-30 wt% of a thinner and painting the mixture on a concrete construction with a thickness of 25-35 micrometers; puttying the painted surface; mixing an inorganic paint with 20-30 wt% of a thinner and secondly painting the mixture on a concrete structure with a thickness of 25-35 micrometers; and mixing an inorganic paint with 10-20 wt% of a thinner and thirdly painting the mixture on a concrete structure with a thickness of 35-45 micrometers.
Patent KR-20040029666-A (KR)
Title: Multi-layered electro photographic positive charged organic photoconductor and manufacturing method thereof
Inventor: JU HYE RI
IPC: G03G5/05
Filed: 2002-10-02
Abstract: PURPOSE: A multi-layered electro photographic positive charged organic photoconductor and its preparation method are provided, to improve electrostatic property and sensitivity and to reduce discharge voltage. CONSTITUTION: The positive charged organic photoreceptor comprises a conductive supporter; a charge transport layer which is formed on the surface of the conductive supporter and comprises a hole transport material, a binder resin and an organic solvent; a charge generation layer which is formed on the surface of the charge transport layer and comprises a charge generation material, a binder resin, an organic solvent and a hole transport material; and optionally an overcoat layer formed on the surface of the charge generation layer. Preferably the hole transport material of the charge transport layer is a stilbene-based compound represented by the formula 1, a hydrazone-based compound represented by the formula 2 or an amine-based compound represented by the formula 3, wherein R1 or R2 contains at least one aryl or styryl group, and R1 and R2 are independently H or an alkyl, aryl or styryl group; R3 is a substituted or unsubstituted alkyl, aralkyl or aryl group; R4 and R5 are independently H or an alkyl group; R6 is H, a halogen atom or an alkyl or alkoxy group; Ar1 is a substituted or unsubstituted aryl group; Ar2 is a substituted or unsubstituted perylene, naphthalene, biphenylene or anthracene group; R1 is H or a low molecular weight alkyl or alkoxy group; X is H or a substituted or unsubstituted alkyl or aryl group; and Y is a substituted or unsubstituted aryl group.
Patent KR-20040035383-A (KR)
Title: Method for manufacturing wafer level chip scale package
Inventor: JANG DONG HYEON
IPC: H01L23/31
Filed: 2002-10-22
Abstract: PURPOSE: A method for fabricating a wafer level chip scale package is provided to improve the junction reliability between a ball pad and a solder ball by increasing a junction area between the solder ball and a metal wiring layer. CONSTITUTION: A semiconductor wafer including a silicon substrate(32), a plurality of ICs, a plurality of chip pads(31), an inactive layer(33), a plurality of semiconductor chips(34), and a chip cutting region is provided. A first insulating layer(42) is formed on the inactive layer(33). A second insulating layer having a bending part is formed on the first insulating layer(42). A metal wiring layer(41) is formed on the bending part and the second insulating layer. A third insulating layer is formed on the metal wiring layer and the second insulating layer. A ball pad(43) is formed by opening the third insulating layer of a top portion of the bending part. A solder ball(60) is formed on the ball pad. A wafer level chip scale package is formed by cutting semiconductor wafer along the chip cutting region.
Patent KR-20040042317-A (KR)
Title: Bio-stabilization system of landfill
Inventor: CHOI IN CHEOL
IPC: B09C1/00
Filed: 2002-11-14
Abstract: PURPOSE: Provided is a method for biologically, economically and effectively stabilizing solid waste in landfill. CONSTITUTION: The method comprises the steps of injecting air with oxygen concentration of 30 to 40%(v/v) which is generated by a pressure swing adsorption process into a landfill through an air supply lance using an air injector; exhausting gas on the inside of the landfill by an air suction lance; and discharging the gas to the atmosphere after purifying it, wherein the lance(41) has a plurality of air passage holes(42) at a lower end portion thereof and a cap(43) at an upper end thereof for preventing air inlet and outlet.
Patent KR-20040043951-A (KR)
Title: Processing aids composition of thermoplastic resin and method for preparing thereof
Inventor: HAN JEONG SEOP
IPC: C08F220/06
Filed: 2002-11-20
Abstract: PURPOSE: Provided is a processing aid composition for thermoplastic resins, which shortens the time needed for melting thermoplastic resins when processing them, improves foaming property and processability, and reduces fish-eyes and flow marks in a extrusion or calendering process. CONSTITUTION: The processing aid composition for thermoplastic resins comprises: (a) 70-95 wt% of a low-molecular weight copolymer having a weight average molecular weight of 200,000 to 1,500,000, which contains (i) 65-90 wt% of methyl methacrylate, and (ii) 10-35 wt% of at least one monomer selected from the group consisting of acrylates, methacrylates and mixtures thereof; and (b) 5-30 wt% of a high-molecular weight copolymer having a weight average molecular weight of 2,500,000 to 12,000,000, which contains (i) 70-95 wt% of methyl methacrylate, and (ii) 5-30 wt% of at least one monomer selected from the group consisting of acrylates, methacrylates and mixtures thereof.
Patent KR-20040047401-A (KR)
Inventor: CHOI JEONG HO
IPC: G06K9/46
Filed: 2002-11-30
Abstract: PURPOSE: An apparatus for processing fingerprint image and a method thereof are provided to process the fingerprint image at a high speed and with a small influence of the input state variance by extracting a fingerprint area from a background. CONSTITUTION: A fingerprint input part(10) receives the fingerprint image by scanning a finger. A fingerprint image processor(20) operates the intensity distribution of each area by dividing the fingerprint image into a predetermined number of areas. A comparator(30) compares that the intensity distribution of each area is over the first reference value. A storage(40) stores a processing result of the fingerprint image processor and the comparator by each area.
Patent KR-20020093781-A (KR)
Inventor: ROH WHAN JIN
IPC: H01M4/36
Filed: 2002-12-02
Abstract: PURPOSE: A lithium secondary battery and its preparation method are provided, to maintain a separator membrane to be tight for stabilizing the interface between electrodes and the separator membrane, thereby improving the charging/discharging property and the lifetime. CONSTITUTION: The lithium secondary battery comprises a plurality of positive electrode plates(202a, 202b, 202c, 202d, 202e) containing tap; a plurality of negative electrode plates(203a, 203b, 203c, 203d, 203e, 203f) containing tap; a separator membrane(201) whose one face is coated with an ionic conductive polymer material and which is placed between the positive electrode plates and the negative electrode plates; and an electrolyte charged between the positive electrode plates and the separator membrane and between the separator membrane and the negative electrode plates. The positive electrode plates and the negative electrode plates are arranged alternatively; and the taps of the positive electrode plates are piled up one another and the taps of the negative electrode plates are piled up one another. The positive and negative electrode plates are coated with a positive electrode active material and a negative electrode active material, respectively. Preferably the positive electrode active material is a lithium transition metal compound; and the negative electrode active material is metallic lithium, lithium alloy, carbon or graphite.
Patent KR-20040049712-A (KR)
Inventor: PARK SUNG HWA
IPC: A47K10/16
Filed: 2002-12-07
Abstract: PURPOSE: A method for making a loess-containing kitchen towel is provided to obtain anion- and far infrared ray-emitting effect and bactericidal effect, and to maintain the loess contained in the kitchen towel in a firmly fixed state. CONSTITUTION: The method for making a loess-containing kitchen towel comprises the steps of: cutting and crushing woods, and digesting and washing the woods to obtain pulps; adding water to the pulps, introducing side materials and chemical additives thereto and mixing them to form a crude material; and forming a wet sheet from the crude material, removing water therefrom under pressure and then drying to provide a finished kitchen towel product. In the method, 7-15 wt% of loess powder, based on the weight of the pulps, is further added in the step of mixing pulps.
Patent KR-20040055982-A (KR)
Title: shutter curtain for fire engine
Inventor: PARK SEUNG OK
IPC: A62C27/00
Filed: 2002-12-23
Abstract: PURPOSE: A shutter curtain for a fire truck is provided to suppress an abrasion and noise by a contact of slates. CONSTITUTION: In a shutter curtain for a fire truck having many slates whose ends are reeled into guiding grooves of a guide rail, the shutter curtain comprises: a hollowed main body(105) having an inside frame to form inside surface when it is rolled on a rolling shaft, an outside frame to form outside surface when it is rolled on a rolling shaft, an upper frame to joint the inner frame and the outer frame, and a lower frame to joint the upper frame and a lower part of the outer frame; a male hinge connector(109) installed on the upper frame: a female hinge connector(107) installed on the lower frame: a containing ditch(150) installed at the lower frame; and a packing to be contact to the upper side of the upper frame with itself contained at the containing ditch(150).
Patent KR-20040056102-A (KR)
Title: Heating and mixing apparatus
Inventor: SHIN JUN BYUM
IPC: A47J43/04
Filed: 2002-12-23
Abstract: PURPOSE: A heating/mixing device is provided to enable a user to directly take in food by mixing and heating the food simultaneously. CONSTITUTION: A heating/mixing device is composed of a food containing member(120) containing food, a cover member formed at the top of the food containing member, a fixing/supporting member(130) detachably coupled to the bottom of the food containing member, a heating unit(150) for heating food in the food containing member, a safety unit(160), a central control unit(180), and a driving unit(170). The safety unit checks the sealing of the cover member and the food containing member.
Patent KR-20040056882-A (KR)
Title: Multi hole nozzle burner for ladle heating
Inventor: HWANG SUN YEONG
IPC: F23D14/48
Filed: 2002-12-24
Abstract: PURPOSE: A multi-hole nozzle burner for heating a ladle is provided to reduce noxious gas and save fuel by reducing heating hours. CONSTITUTION: A multi-hole nozzle burner is installed at the center of an upper ladle cover, and has a triple ring-shaped structure. The multi-hole nozzle burner includes an ignition air nozzle(11) having a single jet(11a), fuel nozzles(12) enclosing the ignition air nozzle and having multiple jets(12a,12b), and a combustion air nozzle(13) enclosing the fuel nozzle and having multiple jets(13a,13b).
Patent KR-20040057587-A (KR)
Title: Fixing structure of metal piece for deflection yoke
Inventor: LIM SEUNG YONG
IPC: H01J29/76
Filed: 2002-12-26
Abstract: PURPOSE: A structure for fixing a deflection yoke correcting iron piece is provided to effectively prevent a movement of the correcting iron piece and occurrence of dispersion, while achieving improved work efficiency by eliminating the need of using an adhesive. CONSTITUTION: A structure comprises a fixing member(14) arranged on a neck portion(13) of a deflection yoke(100), and which has guides spaced apart from each other; and a correcting iron piece(16) slide inserted into the guides of the fixing member. The fixing member has a teeth portion(15) formed on the inner surface of the guide, and the correcting iron piece has a teeth portion(16a) to be engaged with the teeth portion of the guide of the fixing member. The correcting iron piece is fixed by the engagement of the teeth portions.
Patent KR-20020033154-A (KR)
Title: 자기소자의 제조방법
IPC: H01F41/02
Filed: 2001-04-23
Abstract: 저장매체 상의 정보밀도를 증가시키기 위해, 기록된 자기 패턴의 트랙 폭이 점점 더 작아진다. 이것은 적절한 자속 안내부재를 갖는 기록 헤드를 필요로 한다. 본 명세서에 개시된 방법은 이와 같은 자속 안내부재를 제공한다. 이 방법은, 충분한 두께를 갖는 비자기층(3)을 적층하는 단계와, 비자기층을 이방성 에칭하여 자속 안내부재의 필요한 위치에 적절한 치수를 갖는 가파른 벽을 형성하는 단계와, 자기 물질을 적층하여, 자기층이 필요한 트랙 폭에 대응하는 두께를 갖도록 벽 위에 자기층(9)을 형성하는 단계와, 벽 위에 자기층을 유지하면서, 원치 않는 자기 물질의 적층물을 제거하는 단계와, 절연 물질(19a)을 적층하여 자기층을 덮는 단계를 포함한다.
Patent KR-20020027497-A (KR)
IPC: H04L12/18
Filed: 2001-05-10
Abstract: 참석자 단말기, 프리젠터 단말기, 및 의장 단말기로 구성되는 회의 실행 시스템이 제공된다.  특히, 참석 인증이 수행되어 프리젠터에 의해 제공되는 추가 설명 내용이 사전검토 표시시에 프리젠테에게만 제공된다.  회의에 참석하는 참석자 장비는 프리젠테이션 기능, 채팅 기능, 파일 전송 기능, 화상 회의 제어 기능, 절차 제어 기능 및 사용자 인증/장비 관리 기능을 가지고 있다.  복수의 참석자 전자 장비 중 하나는 프리젠테이션 기능을 갖는 프리젠터 단말기가 될 권한, 인증 기능, 장비 관리 기능 및 절차 제어 기능을 갖는 의장 단말기가 될 권한, 프리젠테이션 내용 브라우징 기능을 갖는 참석자 단말기가 될 권한 중 하나를 획득한다.  그러한 네트워크 회의 실행 시스템에 있어서, 참석자 단말기 및 프리젠터 단말기가 될 권한뿐만 아니라, 인증 기능, 장비 관리 기능 및 절차 제어 기능을 갖는 의장 단말기의 권한이 부여되어 회의를 수행한다.
Patent KR-20020030086-A (KR)
IPC: H01L23/12
Filed: 2000-07-28
Abstract: 본 발명은 초소형 전자 패키지(10)에 있어서 납땜을 보강하기 위한 장치 및 방법에 초점을 맞추고 있다.  상기 초소형 전자 패키지(10)는 본드 패드(14)를 갖는 초소형 전자 장치(16), 리드 본드(24)를 형성하기 위해 상기 본드 패드(14)에 접착되는 제 1 단부(26)를 갖는 도전성 리드, 상기 도전성 리드에 대해 배열되는 밀봉 물질(30), 및 상기 리드 본드(24)에 대해 배열되고 또한 상기 제 1 단부(26)를 본드 패드(14)에 결속하는 보강부(110)를 포함한다.  상기 보강부(110)는 상기 밀봉 물질(30)보다 큰 접착 강도 및/또는 탄성률을 갖는다.
Patent KR-20020042656-A (KR)
IPC: G02F1/13
Filed: 2001-06-26
Abstract: 본 발명은 스마트 카드(10)와 같은 비접촉 휴대용 물체를 위한 주변 디스플레이 기기와 관련되며 상기 주변 기기는 상기 휴대용 물체의 사용과 관련된 정보가 디스플레이 되는 것을 가능하게 한다.  상기 주변 디스플레이 기기는 적어도 하나의 칩, 디스플레이 수단(16) 및 에너지와 정보를 받기 위한 수단(18)을 포함하며, 상기 수단은 상기 휴대용 물체에게 옴 저항 접촉으로 연결되지 않는다.  상기 송신 수단은 변압기의 이차 코일의 역할을 하는 평면 코일이며, 상기 변압기의 일차 코일은 상기 휴대용 물체의 안테나(14)에 의하여 형성되고, 상기 변압기의 형성은 상기 휴대용 물체가 전자기적 커플링을 통하여 어떤 휴대용 물체 리더로부터 에너지와 정보를 수신하는 경우에 이루어진다.
Patent KR-20020042868-A (KR)
IPC: G06F12/14
Filed: 2001-08-02
Abstract: 본 발명은, 기록매체 상에 첨부된 사용권 정보와 함께 저장된 디지털 저작물의 분배와 사용을 규제하는 방법 및 장치에 관한 것이다. 첨부된 사용권 정보는, 상기 사용권 정보의 변경시마다 변경되는 은닉 정보를 사용하여 암호화되거나 검증된다. 은닉 정보는, 사용권 정보를 암호화하는데 사용되는 암호화 키이거나, 사용권 정보를 포함하는 데이터 블록의 체크섬일 수 있다. 이에 따르면, "복제 및 복원 공격"이 은닉된 정보와 복원된 사용권 정보 사이의 불일치를 일으키기 때문에, 이와 같은 공격이 성공하지 못한다.
Patent KR-20020059678-A (KR)
Title: Method and apparatus for providing mobility within a network
IPC: H04W12/10
Filed: 2000-10-31
Abstract: The present invention is a novel method and apparatus for providing transparent mobility of an entity within a network. The present invention allows a given entity, which has a communication path set up between it and a peer entity, to move from one location to another, without informing the peer entity of this movement, and without having the communication path broken. The present invention is applicable to decentralized networks using the IP protocol, and is particularly applicable on networks wherein it is desired that the mobility mechanism neither introduces latency nor decreases the available bandwidth of the network. In the present invention, neither is latency increased nor is bandwidth utilization increased, as is done in other mobility models. Additionally, the present invention utilizes standard protocols that are widely available from a plurality of equipment manufacturers on a variety of platforms. Thus, the present invention provides a very cost-effective model for network providers that need to support transparent mobility within their network.
Patent KR-20030011064-A (KR)
IPC: G11C8/18
Filed: 2000-12-01
Abstract: 본 발명은 DRAM과 같은 메모리를 구비하고, SDRAM 사양으로 동작하는 반도체 기억 장치로서, 칩 사이즈가 작고 저소비전력이며 염가로, 어드레스에 포함되는 스큐에 의한 액세스의 지연이나 메모리 파괴를 야기하지 않는 반도체 기억 장치의 제공을 과제로 한다. ATD 회로(3)는 외부로부터 공급되는 어드레스(Adress)의 변화로부터 어드레스 변화 검출 신호(ATD)에 원숏 펄스를 발생시킨다. 이 때에, 어드레스의 비트마다에 원숏 펄스를 발생시켜 그들을 합성함으로써, 어드레스에 스큐가 포함되는 경우에 있어서도 원숏 펄스를 1번만 발생시킨다. 우선, 리프레시 제어 회로(4)가 생성한 리프레시 어드레스(R_ADD)를 이용하여 원숏 펄스의 발생 기간 중에 리프레시한다. 다음에 원숏 펄스의 하강을 받아, 래치 에어 신호(LC)를 생성하여 어드레스를 래치(2)에 받아들여 메모리 셀 어레이(6)에 액세스한다.
Patent KR-20020072561-A (KR)
IPC: F02D41/40
Filed: 2000-11-17
Abstract: 본 발명은 연료가 제 1 작동 모드로 흡입 단계동안, 그리고 제 2 작동 모드로 압축 단계동안 연소실(4)에 직접 분사되어 연소될 수 있는, 특히 차량용 내연 기관(1)에 관한 것이다.  연소시 발생하는 배기 가스가 촉매 컨버터(12)에 공급될 수 있다.  제어 장치(18)에 의해 제 2 작동 모드에서 연소에 이어 추가로 연료가 분사될 수 있다.  마찬가지로 제어 장치(18)에 의해 촉매 컨버터(12) 이내 또는 하류에 있는 배기 가스의 온도가 측정되어 한계값과 비교될 수 있다.
Patent KR-20020071929-A (KR)
IPC: H03M7/36
Filed: 2001-11-09
Abstract: 보다 높은 지각의 품질을 위한 전화 음성의 광대역 확장. 양쪽 필터들이 LPC 추정기로부터 LPC 계수들을 수신하는 역 필터 및 합성 필터로 광대역 확장 방법을 이용하여 음성 신호의 주파수 범위를 확장하기 위한 방법. 광대역 LPC 계수들은 광대역 LSF들로부터 얻어진다. 광대역 LSF들은 고대역 LSF들을 첨부함으로써 얻어지고, 협대역 LSF들에 매트릭스를 적용함으로써 생성되며, 저대역 LSF들은 협대역 LSF들을 2로 나눔으로써 생성된다. 고대역 LSF들을 생성하는데 이용된 매트릭스는 매트릭스들의 예정된 리스트로부터 선택된다. 선택은 협대역 음성 신호로부터 추출된 광대역 또는 협대역 반사 계수들이 기초된다.
Patent KR-20020086886-A (KR)
Title: 투사 텔레비젼용 렌즈 시스템
IPC: G03B21/00
Filed: 2001-11-05
Abstract: 본 발명은 음극선관(CRT) 투사 텔레비젼과 함께 사용하기 위한 투사렌즈 시스템에 관한 것으로, 상기 투사렌즈 시스템은 양의 제 1 렌즈유닛(U1)과 음의 제 2 렌즈유닛(U2)을 갖고, 상기 음의 제 2 렌즈유닛은 당해 유닛과 함께 사용되는 CRT에 의해 생성되는 빛의 색깔중 적어도 2개에 대하여 적어도 하나의 광학 특성과 관련하여 최적화된다. 상기 제 2 렌즈유닛도 분광투과에 대해 최적화될 수 있으나, 상기 적어도 하나의 광학특성은 분광투과가 아니다. 도 1b 내지 도 1f, 도 8b 내지 도 8f에 도시된 바와 같이, 비투과성의 최적화는 CRT 투사렌즈 시스템의 색성능에 대한 효과적이며 저렴한 방법을 제공한다. 또한, 이미지 콘트라스트를 개선하고 제조비용을 저감시키는 양의 제 1 렌즈유닛의 구조가 제공된다.
Patent KR-20020080411-A (KR)
Title: 파괴강도가 향상된 압전 기판 재료 및 그 제조 방법
IPC: H03H9/25
Filed: 2001-02-02
Abstract: 본 발명의 목적은 부품이 구성되는 압전 기판에 있어서 파괴 강도를 향상시키고, 광 반사가 방지되도록 하는데 있다.  상기 목적을 위해서, 높은 광 흡수성을 가지며, 입자를 결속시키고 균열을 밀봉하는 흡수 층(2)이 상기 기판(1)의 후면에 제공된다.  바람직하게는 또한, 파이로전기 전하를 전환시키기 위하여 상기 흡수 층(2)은 전기 전도성이다.
Patent KR-20020077430-A (KR)
Title: 아다만탄류의 제조 방법
IPC: B01J29/06
Filed: 2001-12-03
Abstract: 본 발명은 탄소수 10개 이상의 삼환식 포화 탄화수소를 이성화하여 아다만탄 구조를 갖는 탄화수소를 제조하는데 있어서, 주기율표의 제 VII1족(신주기율표에서는 제 8 내지 10족)의 금속에서 선택된 1종 또는 2종 이상을 이온 교환법에 의해 제올라이트에 담지한 촉매를 사용함을 특징으로 하는 아다만탄류의 제조 방법이다.  또한, 본 발명은 염화수소를 사용하지 않고 고체 촉매를 사용하여 아다만탄류를 효율적으로 제조할 수 있는 방법을 제공한다.
Patent KR-20020073592-A (KR)
Title: Tyre tread pattern
IPC: B60C11/12
Filed: 2001-02-09
Abstract: A tire tread comprising grooves defining motifs in relief, at least one of these motifs being provided with first and second incisions, said incisions each being defined by two main lateral surfaces connected by an end surface, each of the first incisions opening on to the running surface of the tread when new and extending at most as far as the depth, and each of the second incisions extends at least as far as the depth. The tread is characterized in that the bottom surfaces of the first incisions and the apex surfaces of the second incisions are functionally arranged such that, whatever the level of wear the length of the ridges on the running surface is at least equal to 75% of the length of the ridges when new.
Patent KR-20020089524-A (KR)
Title: 알킬렌 글리콜의 제조를 위한 개선된 방법
IPC: C07C31/20
Filed: 2001-03-19
Abstract: 본 발명은 촉매를 포함하는 에폭사이드 함유 시스템을 조작하는 방법에 관한 것이다.  본 발명의 방법은 이산화탄소를 0.01 내지 5.0중량%의 양으로 에폭사이드 함유 시스템에 공급하는 단계 및 에폭사이드 함유 시스템을 100℃ 내지 150℃의 온도로 유지시키는 단계를 포함한다.  촉매의 반감기는 120℃에서 40일 이상이다.  본 발명은 비카보네이트형 음이온 교환 수지가 100℃를 초과하는 온도에서 에틸렌 옥사이드의 가수분해에 사용되도록 한다.  촉매 팽윤률은 최소화되고 촉매 수명은 연장된다.