baber/WOPTO huggingface dataset:
Patent KR-20030045931-A (KR)
Title: Data conformity device by utopia level-1 conformitys device from utopia level-2 conformity device
Inventor: HWANG SUK HUI
IPC: H04L12/28
Filed: 2001-12-03
Abstract: PURPOSE: A device of interfacing data to a UTOPIA level-1 interface device from a UTOPIA level-2 interface device is provided to change data and control signals of the UTOPIA level-2 interface device into data and control signals of the UTOPIA level-1 interface device, thereby enabling the UTOPIA level-2 interface device to deliver the data to the UTOPIA level-1 interface device. CONSTITUTION: A parity converter(100) receives parity bits for 16-bit data, generates the first and the second 8-bit parity bits, and transmits the data according to synchronization of start cell signals. A data converter(200) receives the 16-bit data, converts the data into the first and the second 8-bit data, and transmits the data according to the synchronization. A control signal converter(300) receives cell valid signals to transmit the signals to a UTOPIA level-1 interface device, receives an approval response signal from the UTOPIA level-1 interface device, and transmits the signal to a UTOPIA level-2 interface device. The control signal converter(300) receives the start cell signals, and transmits the signals to the UTOPIA level-1 interface device.
Patent KR-20030047529-A (KR)
Title: System and method for providing content descriptor
Inventor: AHN CHEOL HONG
IPC: G06F15/16
Filed: 2001-12-11
Abstract: PURPOSE: A system and method for supplying a contents descriptor is provided to supply a descriptor with respect to contents to a network device which requests contents in a network device for an easy search and navigation of contents. CONSTITUTION: A computer(102) searches contents or executes navigation, and selects wanted contents by transmitting a signal for requesting a contents list to a network(101). If a descriptor of contents is received from the network(101), the computer(102) displays the received descriptor. A computer user searches wanted contents or executes navigation using the computer(102) based on the descriptor. A set-top box(103) supplies descriptor information of collected contents to the computer(102). If a contents list requesting signal transmitted from the computer(102) is received through the network(101), the set-top box(103) collects a descriptor of contents possessed by itself, descriptors of contents being generated from the first device to the 'n'th device(104_1-104_n) included in a device group(104), and a descriptor of contents stored in a storage(105). The collected descriptors are supplied to the computer(102) through the network(101).
Patent KR-20030048637-A (KR)
Title: A Manufacturing Method of Zinc-plated Steel Plate with Superior Surface Hardness and Clean Surface
Inventor: CHA JONG TAE
IPC: C25D3/22
Filed: 2001-12-12
Abstract: PURPOSE: A manufacturing method of electrolytic galvanized steel sheet with superior surface hardness and surface appearance is provided to reduce scratches and improve frictional characteristics during processing of the galvanized steel sheet by improving surface hardness of plating layer during electrolytic galvanizing. CONSTITUTION: In a manufacturing method of galvanized steel sheet by electrolytic galvanizing, the manufacturing method of electrolytic galvanized steel sheet with superior surface hardness and surface appearance is characterized in that plating is performed in the front cell by DC (direct current) that is an existing plating method while plating is performed in the rear cell by pulse current that is DC amp in which peak current is 300 to 500 A/dm¬2, plating time is 0.1 to 0.3 ms, and idle time is 1 to 5 ms or less, wherein an adherence amount of plating layer formed in the rear cell is 4 g/m¬2 or more.
Patent KR-20020075199-A (KR)
Inventor: ARAI KAZUO
IPC: A61C8/00
Filed: 2001-12-14
Abstract: PURPOSE: To provide a denture attachment enabling a denture to moderately rock and turn without a gap between a magnet structure and a keeper in occlu sion, and having superior strength and corrosion resistance. CONSTITUTION: This denture attachment is formed by the keeper 5 made of magnetic material and a denture 1 having a magnet structure 4 attracted to the keeper 5 by magnetic attractive force. The magnet structure 4 has a magnet body 41 having N-pole and S-pole on both faces disposed back to back in the direction of tooth height, a first yoke 42 having a recessed part for storing the magnet body 41, and a second yoke 43 facing to the keeper. An attractive face 40 facing to the keeper 5 has a recessed spherical shape symmetrical with an attracted surface 53 of the keeper.
Patent KR-20030050271-A (KR)
Title: Abrasive Brush for Precision Surface Treatment and the fixing Jig thereof
Inventor: PARK CHEOL U
IPC: B24D13/10
Filed: 2001-12-18
Abstract: PURPOSE: A brush including a surface treatment abrasive and a fixing jig are provided to prevent a nylon wire from breaking in polishing a metal, improve performance of the brush, and increase the pressing power of the wire. CONSTITUTION: A brush(100) including a surface treatment abrasive to precisely grind the surface of a metal has a brush wire(101). A core part(102) is installed to the brush wire. The core part is covered with an abrasive including abrasive grains(103) by a bonding agent. The brush wire is composed of double abrasive of a rectangle shape, around the core part. The brush is combined to a wheel brush. The wheel brush comprises a fixing ring for fixing overlapped brush wire; protective caps pushing the brush wire; and a fixing rivet. The brush wire is prevented from breaking in polishing a metal, by the improved polishing density.
Patent KR-20030050414-A (KR)
Title: Ceramic Hollow Sphere and Manufacturing Method thereof by Emulsion/Extraction
Inventor: BAE JANG YEONG
IPC: B01J13/02
Filed: 2001-12-18
Abstract: PURPOSE: A fabrication method of ceramic hollow sphere is provided which is capable of controlling particle distribution and physical properties of final sphere produced by specifying process conditions when fabricating the ceramic hollow sphere by emulsion/extraction. CONSTITUTION: In a fabrication method of ceramic hollow sphere by emulsion/extraction comprising an emulsion step of agitating colloidal sol with dispersing agent, an extraction step of agitating the emulsion with dehydrating solution, and a posttreatment step of performing filtering, drying and heat treatment, the fabrication method of ceramic hollow sphere comprises an emulsion step in which a volume content ratio of silica sol to dispersing agent is 1:5, concentration of silica sol is 10 to 30 wt.%, and agitation speed is maintained to 1,000 to 3,000 rpm, and an extraction step in which a volume content ratio of emulsion to dehydrating solution is 3:5 to 10, and agitation speed is maintained to 1,000 to 2,000 rpm, wherein the fabrication method further comprises a posttreatment step following the extraction step in which filtered and dried ceramic hollow sphere is heat treated to a heating speed of 3 deg.C/min in the temperature range of 150 to 1,000 deg.C for 100 minutes.
Patent KR-20030051906-A (KR)
Inventor: KIM JI UNG
IPC: B62D6/10
Filed: 2001-12-20
Abstract: PURPOSE: A torque sensor of a vehicle is provided to improve working efficiency for manufacturing a detecting ring and accuracy for compensating temperature by improving a structure of the detecting ring and to detect torque of a torsion bar more correctly. CONSTITUTION: A torque sensor has detecting rings(41,42,43), a detecting coil assembly and a sensor housing. Magnetic shielding portions(44) are formed to a lower surface of the first detecting ring, an upper surface of a third detecting ring and upper lower surfaces of a second detecting ring to be around each detecting ring. Non-magnetic shielding portions(45) are formed between each magnetic shielding portion. The non-magnetic shielding portion is a conductive magnetic body like detecting rings, and the magnetic shielding portion is a conductive non-magnetic body. Facing areas of non-magnetic shielding portions and magnetic shielding portions of second and third detecting rings are changed by torsion of a torsion bar(30). Therein, inductance of the detecting coil assembly is changed by changing facing areas. Rotational deviation of an input shaft(10) and an output shaft(20) is detected by measuring the change of inductance. Inductance of the detecting coil assembly changed by temperature change is compensated. Precise compensation for temperature is operated by identical magnetic flux flowing between each detecting ring. Torque for the torsion is detected correctly by improving linearity of voltage of a coil .
Patent KR-20030053191-A (KR)
Title: Reading room management system using a finger print reader and the operation method thereof
Inventor: EUM OK SOON
IPC: G06K9/00
Filed: 2001-12-22
Abstract: PURPOSE: A system for managing a reading room using a fingerprint recognition system and an operating method thereof are provided to manage the entrance of members as well as status inquiry, financial management, and operation management by using the fingerprint recognition system, and to control the lighting of each seat according to a program. CONSTITUTION: The system includes the fingerprint recognition system(100) recognizing the entrance information of the members according to the fingerprint registration, an operation module(110) having a management program(112), and a database(114) including a member and member fingerprint database(114a), an entrance information database(114b), a financial management database(114c), and an operation management database(114d). The fingerprint recognition system comprises a fingerprint scanner(102), a fingerprint storing part(106), a processor(104), and a controller(108). The management program(112) is offered to manage and operate the reading room through the key manipulation such as member registration, member searching, power control, accounting management, and environment setting.
Patent KR-20030053886-A (KR)
Title: Winding machine thermostat for deflection yoke
Inventor: KI GWAN SEO
IPC: H01J9/236
Filed: 2001-12-24
Abstract: PURPOSE: A temperature control unit of a winding frame for deflection yoke is provided to form a deflection coil of the uniform quality by controlling automatically the temperature of the winding frame. CONSTITUTION: A temperature control unit of a winding frame for deflection yoke includes a heater coil(30), a temperature detection portion(20), and a controller(40). The heater coil is installed in the inside of a winding frame(10) to generate the heat of the predetermined temperature. The temperature detection portion is installed at one side of the winding frame in order to detect the temperature. The controller receives a detection signal from the temperature detection portion and controls an operation of the heater coil on the basis of an arbitrary setup value. The controller performs the operation of the heater coil if the temperature of the winding frame is lower than the arbitrary setup value or stops the operation of the heater coil if the temperature of the winding frame is higher than the arbitrary setup value.
Patent KR-20030054518-A (KR)
Title: Tongs equipped with detecting means for width of slab
Inventor: KIM SU DONG
IPC: B66C17/00
Filed: 2001-12-26
Abstract: PURPOSE: Tongs for detecting the width of a slab is provided to prevent fall of the slab or accidents from breakage of the tongs by restricting holding failure of the slab with detecting the width of the slab. CONSTITUTION: Tongs for transporting a slab comprise a winder(20) installed in an upper beam to wind a bar code bar(10) by a restoring spring; a level adjusting base(60) installed in a lower beam(81) to fix the end of the bar code bar; guide rollers guiding movement of the bar code bar between the winder and the level adjusting base; and a reader(40) attached to the side of the guide roller to display the length of the bar code bar unwound from the winder to the width of tongs arms(80) through a monitor according to bar code. The accident such as fall or the slab or breakage of the tongs is prevented by restricting holding failure of the slab.
Patent KR-20030056134-A (KR)
Title: Method of compensation of search window size in mobile communication system
Inventor: PARK YONG HA
IPC: H04B7/26
Filed: 2001-12-27
Abstract: PURPOSE: A method for compensating the size of a search window in a mobile communication system is provided to smoothly realize hand-off without a call drop when a mobile station moves in a service area by compensating a time delay due to optical fiber transmission with adding an appropriate parameter. CONSTITUTION: A micro base station is physically connected to a multisector base station and initialized(70). The multisector base station measures an optical fiber time delay to the micro base station by using a time delay measuring algorithm(71). The multisector base station decides the size of a compensated search window, considering the measured value and a time delay value(72). It is judged whether a database of the multisector base station is to be changed(73). In the case of changing the database, the changed contents are notified to a channel element of a digital unit and to a control station(74-75). The control station corrects a database of the control station and notifies the corrected data to an operator station and outputs the result to an operator as occasion demands(76-79).
Patent KR-20020016606-A (KR)
Inventor: KO SUNG KWANG
IPC: C04B41/45
Filed: 2001-12-28
Abstract: PURPOSE: A method for coloring stones in various colors unlike conventional stone with monotonous colors is provided to extend the use in interior and exterior of buildings and bring effects of import substitution. CONSTITUTION: The coloring method is as follows: cutting stone such as granite, lime-vermiculite or clay-vermiculite and surface-treating; washing with water; heating at 150-800deg.C and cooling under vacuum; soaking in an oxalic(CH3COOH) solution for 24hrs. to remove impurities; soaking in HCl to dissolve iron; heating to 200deg.C gradually under vacuum; immersing the secondly heated stone in a paint(40-60deg.C) comprising 2000L of methyl ethyl ketone, 100-300L of methyl alcohol, 50-100L of oxalic acid and 100-300g of pigment for 24-130hrs.; immersing in a transparent epoxy(80deg.C) for 12-70hrs. and wiping epoxy; immersing in a hardening agent(60deg.C) for 24hrs.; and washing with water.
Patent KR-20010071918-A (KR)
Title: 위상 도메인 다중 통신 시스템
IPC: H04L1/04
Filed: 1999-08-03
Abstract: 위상 도메인 다중 통신 시스템은 N 개의 요소를 포함하는 선택된 직교 벡터에 따라 고유 위상을 각각 갖는 N 개의 반송파 주파수를 생성한다. 가입자 정보 신호는 먼저 신호 분할기(도 6의 215)를 통해 분할된다. 다음으로 각각의 분할된 신호는 혼합기(220)를 통해 상향 변환되고, 선택된 직교 벡터에 따라 위상 이동된다.  그 결과적인 신호는 다음으로 합산 요소(250)를 통해 결합되고, 송신된다. 수신기에서, 인입 신호는 상기 신호가 N 개의 신호 성분으로 분할되는 신호 분할기(도 7의 315)에 연결된다. 각각의 신호 성분은 하향 변환되고 위상 이동됨으로써, 송신된 가입자 정보는 합산 요소(350)에서 추출될 수 있다. 합산 요소(350)에서, 필요한 가입자 신호 성분은 동위상으로 합해지고(add in-phase), 반면에 다른 가입자에 대응하는 신호 성분은 이위상으로 합해진다(add out-of-phase).
Patent KR-20010100768-A (KR)
IPC: G06F3/14
Filed: 2000-05-01
Abstract: 본 발명의 화상표시 시스템은 전송로를 통해서 접속된 복수의 처리장치 사이에서, 가상기계로 변환 가능한 배신 데이터를 송수신하며, 화상을 생성 표시한다. 상기 복수의 처리장치중 적어도 2대의 처리장치는, 각각 화상 표시장치를 포함한다. 적어도 1대의 화상 표시장치는, 상기 배신 데이터를 화상표시 가능한 데이터 형식으로 변환하기 위한 가상기계가 설치된 변환수단과, 다른 처리장치로부터 상기 배신 데이터를 수신하기 위한 통신용 인터페이스부와, 생성된 화상이 기억되고, 다른 처리장치로부터 상기 통신용 인터페이스부를 통하여 액세스 가능한 기억수단을 포함한다. 상기 적어도 1대의 화상 표시장치 및 상기 변환수단 및 상기 통신용 인터페이스부를 갖는 다른 화상 표시장치는, 각각 상기 기억수단으로부터 상기 화상의 일부를 독취하고 분담하여 화상을 표시한다.
Patent KR-20010085293-A (KR)
IPC: H01J9/385
Filed: 2000-05-17
Abstract: 본 발명은 배기공정에서의 배기를 효율적으로 행할 수 있는 가스방전패널의 제조방법을 제공하는 것을 목적으로 한다. 
     진공배기공정에서, 가열로(51) 내의 온도를 봉입부착재층의 연화점보다 낮은 온도(배기 베이킹온도)로 가열(베이킹)하면서 개폐밸브(53f)를 적절히 연 상태로 터보분자펌프(53b) 및 로터리펌프(53c)를 작동시켜 엔벌로프(40) 내를 진공상태까지 흡인하고, 그 후 가스도입계통(52)으로부터 방전가스를 엔벌로프(40) 내로 소정압력(예를 들어, 0.05MPa)을 도입한다. 
     이어서, 가스도입계통(52)으로부터의 방전가스도입을 멈추고, 흡인배기계통(53)으로부터 엔벌로프 내의 방전가스를 흡인배출시켜, 엔벌로프(40) 내부를 다시 진공상태로 한다.
Patent KR-20010073068-A (KR)
Title: Ｎ-보호된 아제티딘-2-카르복실산 (ＡｚｅＯＨｓ)의 제조방법
IPC: C07D205/04
Filed: 1999-08-27
Abstract: 본 발명은 (a) 아제티딘-2-카르복실산의 유기산 부가염을 포함하는 수성 용매에 염기를 첨가하는 단계; 및 (b) 얻어진 반응 혼합물에 보호제를 첨가하는 단계를 포함하는, N-보호된 아제티딘-2-카르복실산의 제조 방법을 제공한다.
Patent KR-20010100997-A (KR)
Title: Resin compositions, method of producing resin compositions and filler blends for use in resin compositions
IPC: C08L27/06
Filed: 1999-11-08
Abstract: The present invention relates to thermoplastic resin compositions, particularly polyolefines, polyvinylchloride and polyamide. The thermoplastic resin compositions contain between 3 and 400% by weight of filler based on the weight of the resin, said filler comprising talc and microsilica where the weight ratio between talc and microsilica is between 15:1 and 1:15. The invention further relates to a method for the production of thermoplastic resin compositions, and to a filler blend for use in thermoplastic resins, said blend containing talc and microsilica in a weight ratio between 15:1 and 1:15.
Patent KR-20010102366-A (KR)
IPC: C07D405/12
Filed: 2000-02-22
Abstract: A process for the production of paroxetine is described, wherein N-substituted derivatives of 4-(p-fluorophenyl)-3-hydroxymethyl-1,2,3,6-tetrahydropyridine are treated according to the following sequence of reactions: (a) hydrogenation catalyzed by transition metal complexes with chiral diphosphinic ligands; (b) -OH derivatisation and nucleophilic substitution, the substituent being sesamol; (c) N-dealkylation. The process is highly stereospecific and brings about the formation of intermediates enriched with the desired isomeric components, which are converted into paroxetine in quantitative yields.
Patent KR-20010108252-A (KR)
IPC: F16K31/04
Filed: 1999-12-24
Abstract: 배기가스 재순환 밸브장치는 모터샤프트(32)와, 이 모터샤프트(32)를 구동하는 스텝모터분체(20)와, 모터샤프트(32)의 일단에 대향하는 근위단으로서의 소경부 (6a)를 가지고, 또 원위단(遠位端)에 밸브(8)를 갖는 밸브샤프트(6)와, 이 밸브샤프트(6)를 폐밸브방향으로 작동하는 스프링(10)과, 이 스프링(10)을 보존하는 스프링홀더(9)를 구비하고 있다. 
     밸브(8)가 폐밸브상태에 있을 때에, 모터샤프트(32)의 일단과의 이간거리 L이 스테퍼모터 본체(20)에 의한 모터샤프트(32)의 스트로크량과 밸브(8)에 의한 개방밸브량과의 차가 되도록 밸브샤프트(6)의 소경부(6a)는 스프링홀더(9)에 코킹고정 되어있다.
Patent KR-20010108307-A (KR)
IPC: C08G59/40
Filed: 2000-02-23
Abstract: 열경화성, 열-팽창가능한 주형체는 하나 이상의 경화제 및/또는 가속화제 뿐만 아니라, 하나 이상의 고체 반응성 수지,  하나 이상의 액체 반응성 수지, 하나 이상의 유연성 부여 반응수지 또는 팽창제로 구성되는 혼합물에서 제조될 수 있다.     상기 주형물은 두께가 얇은 판금속의 경화 및/또는 강화 및 경량 중공 구조의 경화에 적합하다.      공지 열경화, 열-팽창가능한 주형체와 비교할때, 본 주형체는 경화되지 않은 상태에서 향상된 치수 안정성 및 낮은 수준의 표면 끈적임으로 구별된다.      본 발명은 경화시 최소한의 냄새를 발생시킨다.
Patent KR-20020005672-A (KR)
IPC: C08J3/09
Filed: 2000-05-12
Abstract: The invention relates to the acceleration of the separation of liquid phases which contain polymers by using branched instead of linear solvents.
Patent KR-20020005001-A (KR)
IPC: G06F13/38
Filed: 2000-02-14
Abstract: 도킹 시스템은 제 1 버스를 통해 제 2 버스에 휴대용 컴퓨터 엑세스를 제공할 수 있다.  제 1 버스 및 제 2 버스 각각은 복수의 버스 호환가능 장치들중 각각의 장치들에 분리해서 접속하는데 적합하다.  도킹 시스템은 제 1 및 제 2 인터페이스 수단과 함께 링크를 구비한다.  제 1 인터페이스 수단은 제 1 버스 및 링크 간에 연결된다.  제 2 인터페이스 수단은 제 2 버스 및 링크 간에 연결된다.  제 1 인터페이스 수단 및 제 2 인터페이스 수단은, (a) 제 1 버스 및 제 2 버스의 것과는 상이한 포맷으로 링크를 통해 버스 관련 정보를 전송하고, (b) 제 1 버스를 통해 통신하는 휴대용 컴퓨터가, 제 1 버스 상에서 제 1 버스 상의 장치들을 액세스하는데 이용되는 동일 유형의 어드레싱을 실질적으로 이용하여 제 2 버스 상에서 하나 이상의 버스 호환가능 장치들을 개별적으로 어드레스할 수 있도록 동작가능하다.
Patent KR-20020010683-A (KR)
Title: 내연기관의 연료 혼합물 점화 장치
IPC: H01T13/00
Filed: 1999-05-31
Abstract: 본 발명은 내연기관용 점화 플러그에 관한 것으로, 상기 점화 플러그에는 압전 음향 도체가 제공되어 연료 혼합물을 점화했을 때 발생하는 순간적인 힘을 증가시킨다.
Patent KR-20020019073-A (KR)
Title: 가변 각도 설계를 이용하는 광학 검사 방법 및 장치
IPC: G01N21/956
Filed: 2000-06-09
Abstract: 물품의 광학 검사 장치 및 방법이 제공된다.  상기 장치는 조명 유닛과 적어도 하나의 검출 유닛을 포함한다.  상기 조명 유닛은 입사 비임을 생성하여 물품의 소정 영역상으로 지향시킨다.  상기 검출 유닛은 집광 시스템 및 검출기를 포함한다.  상기 집광 시스템은 소정 상수의 최대 수집 각도로 조명 영역으로부터 산란된 광을 수집하며 상기 최대 수집 각도의 입체 세그먼트로 전파되는 적어도 하나의 광 성분을 수집 광으로부터 선택적으로 분리하여 검출기 상으로 지향시킨다.
Patent KR-20030060023-A (KR)
Inventor: LEE HYEONG GON
IPC: G02F1/13357
Filed: 2002-01-05
Abstract: PURPOSE: A liquid crystal display is provided to realize light equalized in brightness distribution without extending a light guide plate, thereby reducing the size and weight of the liquid crystal display. CONSTITUTION: A plurality of point light sources(210) generates first light. A light guide plate(220) is made up of an incident surface(221) to which the first light is projected, a specular surface(222) for reflecting the first light, and a projecting surface(223) facing the specular surface, so that the light guide plate guides the first light to the projecting surface for projecting second light. A brightness enhancing film(250) is partially arranged on the projecting surface for enhancing the brightness of a part adjacent to the incident surface for projecting the second light as third light equalized in brightness distribution. A liquid crystal display panel(110) receives the third light for displaying an image.
Patent KR-20030061016-A (KR)
Inventor: LEE CHEOL SEUNG
IPC: H01L21/027
Filed: 2002-01-07
Abstract: PURPOSE: A method for forming a fine contact hole of a semiconductor device is provided to obtain a vertical profile in a baking process by forming and patterning resists having different glass transition temperature values. CONSTITUTION: An anti-reflective lower surface layer(32), a lower photoresist, an anti-reflective upper surface layer, and an upper photoresist are sequentially formed on an etch target layer(31). A plurality of photoresist layers having the different glass transition temperature values are formed thereon. An exposure process is selectively performed by using a mask. A plurality of photoresist patterns(33a,34a,35a) are formed by developing the exposed regions. A pattern profile is controlled by using the reduced amount of the resist due to a difference between the glass transition temperature values. A baking process is performed.
Patent KR-20030060257-A (KR)
Inventor: JIN JEONG SIK
IPC: F02M25/07
Filed: 2002-01-08
Abstract: PURPOSE: An EGR valve is provided to prevent noises during the operation of the EGR valve and leakage of exhaust gas being returned to the engine, while allowing for EGR at a low duty rate. CONSTITUTION: An EGR valve comprises a valve body(2) having a valve seat(8); a valve(4) for opening/shutting the valve seat; an EGR passage(7) formed on the valve body in such a manner that the exhaust gas flows in the direction where the valve tightly contacts the valve seat; a lever(9) having an end fixed at the valve and the other end extended in the rearward direction; a support rod(10) for supporting the lever in such a manner that the lever is rotatable; a valve operating shaft(12) having a lower end connected to the other end of the lever and an upper end protruded from the valve body in such a manner that the upper end is movable in a vertical direction while maintaining an airtightness through the valve body; and an actuator(3) for moving the valve operating shaft in a vertical direction by the vacuum pressure generated by a vacuum pump.
Patent KR-20030062568-A (KR)
Title: Pocket for seating semiconductor in handler
Inventor: CHOI JIN HO
IPC: H01L21/66
Filed: 2002-01-17
Abstract: PURPOSE: A pocket for mounting the device of semiconductor device test handler is provided to generate a sufficient vacuum pressure when an inlet pressure is generated although a region in which the balls of the semiconductor device is not created is small. CONSTITUTION: A pocket(20) for mounting the device of semiconductor device test handler includes a body(21) provided with a receiving member(22) on the top portion thereof for receiving the semiconductor device(120) and a pair of grooves(26) formed on the forward portion and the backward portion of the receiving member(22) for forming a latch moving path. The pocket(20) further includes a first through hole vertically formed at the central portion of the bottom surface of the body(21), a second through hole horizontally formed in the body(21) and a plurality of third through holes vertically formed at the end portions of the second through hole. In the pocket(20), the third through holes pass through the portions contact to the semiconductor device received at the receiving member(22).