baber/WOPTO huggingface dataset:
Patent KR-20010013032-A (KR)
Inventor: WIPIEJEWSKI TORSTEN
IPC: H01S5/10
Filed: 1999-03-03
Abstract: A vertical resonator diode (1) comprising an aperture (1) for electric current (19), formed by a plurality of layers (5-10) with different sized let-through current openings (16). The size of the let-through current openings (16) in the aperture layers (5-10) increases in an outward direction from the series of active layers (3) towards the electric contact layer (14, 15).
Patent KR-20010075975-A (KR)
Title: Stator core of an induction motor translating pole numbers thereof
Inventor: PARK CHAN YEONG
IPC: H02K1/16
Filed: 2000-01-21
Abstract: PURPOSE: The stator core of pole change induction motor is provided to identically keep winding space factor although the numbers of the windings inserted into many respective slots are not same each other. CONSTITUTION: The stator core(300) of pole change induction motor comprises the first slot part(301) including the slots to which compensating winding is inserted, the second slot part(302) including the slots to which compensating winding is not inserted, the first yoke part(303) corresponding to the first slot part(301) and the second yoke part(304) corresponding to the second slot part(302). The size of each slots of the first slot part(301) is larger than the size of each slots of the second slot part(302). The size of each slots of the second slot part(302) is set with considering maximum permit winding space factor and the size of each slots of the first slot part(301) is set like the method of the second slot part(302). In other words, the space factor of the first slot part(301) sets the same as the space factor of the second slot part(302), and in the base of the set winding space factor, the size of the each slots of the second slot part(302) is set.
Patent KR-20010074376-A (KR)
Title: Bottom electrode of capacitor and fabricating method thereof
Inventor: YANG SEONG HAN
IPC: H01L27/108
Filed: 2000-01-25
Abstract: PURPOSE: A lower electrode of a capacitor is provided to increase the effective surfacearea of the lower electrode by increasing windings of the surface includingHSG(Hemispherical Grained Silicon) formed on an area except a storage node and suppressing the development of the HSG on the area between the storage nodes to prevent the storage nodes from being disconnected. CONSTITUTION: The lower electrode of the capacitor includes a semiconductor substrate(30), a storage node(50) and an HSG(60). The semiconductor substrate includes an impurity area. The storage node is electrically connected with the impurity area, and has the first and second areas(50a,50b). The HSG is formed on the second area of the storage node. The material of the HSG(60b) formed on the second area is different from the material of the HSG(60a) on the first area. The first area is formed with doped amorphous silicon and the second area is formed with undoped amorphous silicon. The HSG on the first area is smaller than the HSG on the second area.
Patent KR-20000071302-A (KR)
Title: 이동국의 개루프 전력 제어 장치 및 방법
IPC: H04B1/7097
Filed: 2000-01-27
Abstract: 본 발명은 경로 손실을 보다 정확히 추정하기 위해서 이동국의 모든 접속 프로브에 상호 간섭 정정 항을 포함해서 이동국의 송신 전력을 산출하기 위한 장치 및 방법이다. 상호간섭 정정 항은 송신 전력을 산출할 때 기지국 파일럿 신호의 존재에 대해서 고려한다. 중요한 것은, 본 발명이 어떠한 CDMA 기반 통신 시스템에서도 구현할 수 있다는 점이다.  본 발명의 바람직한 실시예에 있어서, 이동국은 비활성 집합 파일럿 신호의 검출, 열잡음 또는 부여된 수신 임계치의 검출에 의해서 표시되는 하나 이상의 비 CDMA 상호간섭을 고려한 상호간섭 정정 항을 결정함으로써 개루프 전력 제어를 구현한다. 그 다음, 이동국은 자신의 개루프 송신 전력(접속 상태의 접속 프로브 전력)을 조절한다. 다른 실시예에 있어서, 상호간섭 정정 항은 활성 파일럿이 검출되지 않는 경우에 대한 정정량의 최대 레벨로 제한된다. 또 다른 실시예에 있어서, 비활성 집합 파일럿 전력은 최대 활성 집합 파일럿 이외의 모든 수신 파일럿에 가깝다.
Patent KR-20010077708-A (KR)
Title: Preparation of the Low Temperature sintering Electroplate
Inventor: KANG WON HO
IPC: C03C3/076
Filed: 2000-02-08
Abstract: PURPOSE: A manufacturing method of substrates sintered at low temperature is provided which improves sinterability and enables use of low cost conducting paste by adding potashborosilicate glass powder to glass ceramics containing fluorine. The resultant substrates are excellent in strength and thermal expansion coefficient. CONSTITUTION: The method is characterized by the following steps of: preparing glass preform by melting the composition comprising Li2O3 : MgO ; MgF2 : SiO2 in a weight ratio of 4-8 : 8-13 : 14-20 : 60-72; thermal-treating at 1400-1500deg.C to be crystallized glass; adding 25-50wt.% of potash borosilicate glass and 160-220pts.wt.(based on 100pts.wt. of glass powder) of organic additives such as solvent(toluene and ethanol), dispersant(fish oil), binder(polyvinyl butyral) and plasticizer(dibutylphthalate) for a green sheet and ball-milling; casting a green sheet; sintering at 1000deg.C for 3hrs.
Patent KR-20010081405-A (KR)
Title: Data structure, video reception method and apparatus thereof
Inventor: SHIN JONG MIN
IPC: H04N7/08
Filed: 2000-02-14
Abstract: PURPOSE: A data structure, a method for receiving video and a device thereof are provided to prevent a detection error due to a data bit tolerance by correcting a format of start symbol, header byte and payload byte, and presenting an encoding mode about the corrected data. CONSTITUTION: A data format structure consists of a start symbol, a header byte and a payload byte. The start symbol consists of a plurality of pulse which respectively has a width of one datum period. The header byte consists of one byte data which include an odd parity. The payload byte consists of two byte data which respectively include the odd parity. The payload byte is classified into a left-most payload byte and a right-most payload byte.
Patent KR-20010083512-A (KR)
Inventor: KANG DEOK HO
IPC: G03H1/10
Filed: 2000-02-15
Abstract: PURPOSE: A method is provided to transmit three dimensional image by combining a three dimensional location recognition pointer with a holographic. CONSTITUTION: A database device moves a hologram film storing location information which a three dimensional pointer points and serves to display the stored information. The location information is processed by a CPU and a program of a computer. When the location of information which a user requests is determined, the information is converted into a digital signal. Stored audio-visual information of a commodity is output through a hologram controller and a sound card. Displayed information is transmitted together with three dimensional image through a sound information in order to describe information in detail.
Patent KR-20000062566-A (KR)
Title: 겔 전해질 및 겔 전해질 전지
IPC: H01M10/0567
Filed: 2000-02-18
Abstract: 본 발명은 용매의 이온 전도성이 개선되고 사이클 특성도 우수한, 매트릭스 폴리머에 비수성 전해액을 함침시켜 제조한 겔 전해질을 목적으로 한다.  이를 실현하기 위해, 본 발명의 겔 전해질은 전해질, 매트릭스 폴리머 및 비수성 용매를 함유하며, 비수성 용매는 에틸렌 카르보네이트 (EC), 프로필렌 카르보네이트 (PC) 및 γ-부티로락톤 (GBL)을 (EC, PC, GBL)의 삼각위상도에서 점 (70, 30, 0), 점 (55, 15, 30), 점 (15, 55, 30) 및 점 (30, 70, 0)에 의해 둘러싸인 영역 내의 중량 조성으로 혼합한 혼합 용매이다.
Patent KR-20010082927-A (KR)
Title: Program download method of subscriber transmitting station
Inventor: KIM JU DEOK
IPC: H04L12/24
Filed: 2000-02-22
Abstract: PURPOSE: A method for downloading a program of a subscriber transmission device is provided to shorten a program download time by simultaneously designating all ONUs(Optical Network Units) for performing a same function of a certain site in case of downloading control instructions or control programs generated in an NMS(Network Management System) to the ONUs for upgrading a program installed in the certain site. CONSTITUTION: If a program download instruction is generated by an operator of an NMS(s805), the NMS generates a download request PDU(Protocol Data Unit) using downloading program information(s810) and transmits the download request PDU to an HDT(Host Digital Terminal)(s815). The HDT generates an ATM cell bus frame with reference to the download request PDU(s820) and broadcasts the download request PDU to an ONU using the ATM cell bus frame(s825). The ONU analyzes the download request PDU and generates a response protocol data(PDU)(s830), and transmits the generated PDU to the HDT(s835). The HDT transmits the received response PDU to the NMS(s840), and the NMS analyzes the received response PDU(s845) and performs the process according to the analyzed result. If the downloaded result is normal as a result of the analysis, it is confirmed whether the download is completed(s855). If the download is completed, the download procedure is stopped.
Patent KR-20010084052-A (KR)
Title: Heat-Dissipating Device and Method For Manufacturing A Housing Of The Heat-Dissipating Device
Inventor: HORNG ALEX
IPC: H05K7/20
Filed: 2000-02-23
Abstract: PURPOSE: A heat-dissipating device and a method for manufacturing a housing of the heat-dissipating device are provided to enhance a manufacturing speed and reduce the cost of production by processing the housing with two stamping process. CONSTITUTION: A heat-dissipating device comprises a housing and an installation plate(30). The housing is molded by stamping a metal plate and a center area(21) and a plurality of pins(22,23). The plurality of pins(22,23) are formed by bending the metal plate. Two adjacent pins(22,23) include a slit(25) between each other so as to provide with a channel for air ventilation. A fan(31) is mounted on the installation plate(30). The installation(30) is fixed to the housing. The housing includes at least one or more assembly holes(24) to be coupled to the installation plate(30) by fasteners(32).
Patent KR-20010084216-A (KR)
Title: Trasfer roller cleaning apparatus for printer
Inventor: LIM GWANG TAEK
IPC: G03G21/00
Filed: 2000-02-24
Abstract: PURPOSE: A transfer roller cleaning device for a printer is provided to improve an efficiency of cleaning a transfer roller by applying a cleaning belt instead of a cleaning roller. CONSTITUTION: A transfer roller cleaning device includes a plurality of supporting shafts(51) which are parallel with each other with respect to a transfer roller. A cleaning belt(53) for cleaning the surface of the transfer roller is supported by the shafts(51) so as to performing a caterpillar motion. The outer surface of the cleaning belt contacts with the transfer roller. A rotating means(79) selectively contacts or separates the cleaning belt(53) with/from the transfer roller. The rotating means(79) includes a frame(55), a pair of pressing levers(59) rotatably mounted to the frame(55), a cam shaft(63) contacting with the free ends of the pressing levers(59) to rotate the levers(59), a spring(67) biasing the free ends of the pressing levers(59) toward the cam shaft(63), and a holder(69) mounted between the levers(59) to support the supporting shafts(51).
Patent KR-20010085121-A (KR)
Inventor: HWANG JAE YEOB
IPC: H04L12/66
Filed: 2000-02-25
Abstract: PURPOSE: A method for embodying a hub site for collecting Internet phone service sites is provided to collect the Internet phone service sites to links the collected Internet phone service sites, display a conversation completion rate at real time according to each site, emulate the entrance in Internet phone service sites when the hub site is entered, and be automatically connected with the Internet phone service site in which the conversation success rate is most excellent. CONSTITUTION: Internet phone service sites are collected for installing a link menu. QoS(Quality of Service) comparing data of the Internet phone service sites are displayed. A user selects a zone and a kind of telephone goods. A site capable of service of the zone and the telephone goods is automatically searched. An excellent condition site is automatically searched with reference to the QoS comparing data to communicate with the zone. The searched site is connected with the user.
Patent KR-20010044027-A (KR)
Inventor: YOON BU SEOP
IPC: F04D25/08
Filed: 2000-03-10
Abstract: PURPOSE: An electric fan is provided to blow wind in the range of 360 degrees without any additional rotation elements and selectively restrain the wind blowing range locally, wherein motors are mounted in a dual-stage at upper and lower parts for separately blowing wind from the upper or lower part. CONSTITUTION: An electric fan includes a cylindrical part(1) mounted uprightly on a base part(12) and formed with many through holes(11), more than one driving motor(2) having a motor shaft mounted on the cylindrical part longitudinally, many fans(3) axially mounted onto a motor fan of the driving motors to blow wind in the longitudinal direction of the cylindrical part, a wind pressure control element(4) for maintaining the balance of the wind pressure blown to the outside of the cylindrical part, and wind direction control elements(5) mounted along the inner peripheral surface of the cylindrical part to locally open or close the through holes.
Patent KR-20010014655-A (KR)
Inventor: TAIHICHI MOTOYUKI
IPC: B01D25/164
Filed: 2000-03-30
Abstract: PURPOSE: An apparatus is provided to reduce equipment cost and running cost by providing a tank housing a fluid containing substances to be removed with a filter so that it is immersed in the fluid and disposing the tank with the filter on a circulation route of the fluid in a system to regenerate the wastewater containing inorganic solids such as metals and ceramics generated by grinding. CONSTITUTION: The wastewater (raw water) which is discharged from a dicing device or the like and in which the substances to be removed are mixed is introduced into a raw water tank(50) where a plurality of filtrating devices(53) are arranged and an air bubble generating device(54) is disposed at the bottom and is stored. The water filtrated with the device(53) is sucked by a pump(57) through a pipe(56), reused or circulated by returning it to the tank(50) through a pipe(59). As a result, the substances to be removed in the raw water in the tank(50) are concentrated with time. When the concentration reaches a prescribed value, the filtration work is stopped and Al2(SO4)3 or the like is added to flocculate and settle the substances. After that, the separated concentrated slurry is recovered by opening a valve(64).
Patent KR-20010093941-A (KR)
Title: Encrypt Key Management Device And Method Thereof
Inventor: LEE SEUNG HOON
IPC: G06F17/22
Filed: 2000-04-03
Abstract: PURPOSE: A device and method for managing encryption key are provided to prevent a leakage of encryption by adding an encryption function to hardware. CONSTITUTION: A user PC(100) includes a first communication circuit(110) which processes the encryption key and a USB(universal serial bus) encryption key(120) which controls the number and time of access to a consecutive number. An access server(150) transports the encryption of the USB encryption key(120). An authentication server(200) includes a second communication circuit(210) which processes the USB encryption key(120) to make encryption text and a communication processor(220) which performs the encryption.
Patent KR-20010100282-A (KR)
Inventor: JEONG SEUNG JOON
Filed: 2000-04-07
Abstract: 본 발명은 원적외선 방사물질 7∼8 중량%, 목재분말 5∼6 중량%, 열가소성 합성수지 86∼88 중량%로 조성된 신규한 원적외선 방사용 복합소재조성물에 관한 것으로 원적외선이 방사되는 다양한 생활필수품을 제공할 수 있는 뛰어난 효과가 있다.
Patent KR-20010095991-A (KR)
Title: apparatus of Chemical Vapor Deposition
Inventor: EOM PYEONG YONG
IPC: H01L21/205
Filed: 2000-04-14
Abstract: PURPOSE: A chemical vapor deposition apparatus is provided to improve uniformity of a thin film and minimize a byproduct within a chamber by improving a structure of a chemical vapor deposition apparatus. CONSTITUTION: An upper chamber portion has a dome shape of a semicircle or a curved face of a constant angle shape. A shower head portion(3a,3b) is installed in an inside of the upper chamber portion. The shower head portion(3a,3b) emits a reaction gas for depositing a thin film to a linear direction or various directions according to a shape of the upper chamber portion. A lower chamber portion and the upper chamber portion are sealed by an O-ring(7). A heater portion(11) is used as an energy source for forming the thin film. The heater portion(11) is installed at a center portion of a bottom face of the lower chamber portion. A nozzle portion(27) emits a gas for restricting the gas emitted from a lower end of the heater portion(11).
Patent KR-20010097405-A (KR)
Inventor: JUNG HUI GYEONG
IPC: A21D13/00
Filed: 2000-04-22
Abstract: 본 발명은 유화제, 당알콜 및 당류, 물 및 알콜이 함유된 케익용 기포제에  관한 것으로, 더욱 상세하게는 상기 유화제는 글리세린지방산에스테르와 프로필렌글리콜지방산에스테르, 솔비탄지방산에스테르 및 레시틴 중에서 선택된 2 종 이상의 혼합물, 그리고 자당지방산에스테르가 일정 비율로 함유되어 있어, 종래 케익 기포제의 제조시 첨가되는 유화제의 양에 비하여 적게 첨가하여도 기포력이 우수하고 케익의 부피, 조직, 식삼 및 구용성이 우수하며, 케익기포제를 장기간 보존해도 비중의 저하가 없는 안정된 조성물로 모든 성분을 한꺼번에 혼합할 수 있는 ALL-IN MIX법에 적합한 케익용 기포제에 관한 것이다.
Patent KR-20010103425-A (KR)
Inventor: NOH KYU YOUNG
Filed: 2000-05-10
Abstract: 본 발명은 컴퓨터 통신망을 이용한 광고 기술에 관한 것으로, 보다 상세하게는, 링크수단을 통해 소비자를 광고에 접근하도록 유인하고 상기 광고가 포함된 문제를 인터넷상에서 풀도록 함으로써 광고효과를 극대화하는 광고제공 장치 및 방법에 관한 발명이다. 
     상기 목적을 달성하기 위하여 본 발명은 인터넷상의 문제풀이를 이용한 광고방법으로서, 상기 방법은 링크 수단이 부착된 광고물을 온라인 또는 오프라인 상에 개제하는 단계, 상기 광고를 포함하는 문제를 서버에 게제하는 단계, 상기 사용자가 상기 서버에 접속하는 단계, 상기 사용자가 상기 문제를 푸는 단계를 포함한다. 또한, 본 발명에 따른 방법은 상기 표식이 부착된 광고물을 서버의 광고관리 데이터 베이스에 저장하는 단계, 상기 사용자가 문제를 푼 경우 소정의 점수를 제공하는 단계, 상기 부여된 점수를 서버의 점수 데이터 베이스에 저장하는 단계, 상기 누적된 점수를 근거로 사용자에게 소정의 상품을 제공하는 단계를 더 포함할 수 있다.
Patent KR-20010029713-A (KR)
Title: Steroidal sapogenins for the control of coccidiosis in animals
Inventor: WALKER REUBEN
IPC: A23K1/18
Filed: 2000-05-12
Abstract: PURPOSE: A pharmaceutical composition containing steroidal sapogenins useful for preventing animal diseases caused by Coccidian eimeria is provided, thereby the infection of Coccidian eimeria into animals can be effectively prevented. CONSTITUTION: The steroidal sapogenins are isolated from Liliacae, Amaryllidaceae and Dioscoraceae plants. The animal diseases which are caused by Coccidian eimeria and common diseases in animals and result in intestine disorders, diarrhea, enteritis or death in animals, are prevented by feeding the feed containing the steroidal sapogenin-containing composition or the steroidal sapogenin-containing water. The pharmaceutical composition having anticoccidial activity contains an effective amount of the steroidal sapogenins.
Patent KR-20010104833-A (KR)
Inventor: PARK SU GIL
Filed: 2000-05-16
Abstract: 본 발명은 금속사(Metallic Yarn)와 화섬 필라멘트사를 파일사로 사용하여 파일 원단을 편성함에 있어서,  피더(Feeder)의 캠과 편침의 배열을 개선하여 올니트(All knit)파일 편조직으로 편성함으로서, 컷 파일(Cut Pile)이 탈락하거나 빠지는것을 방지할수 있도록 견고한 조직으로 편성하는 것을 특징으로 하는 파일 원단의 제조방법에 관한 것으로, 상판 바늘(Dial needle)은 래치바늘(Latch needle), 하판 바늘(Cylinder needle)은 칼바늘을 사용하고, 4개의 피더(Feeder)가 1개의 조를 이루는 16피더 편기를 사용하여 1번 피더로 부터 8번 피더가 한 리피트(repeat)가 되도록 다이얼 바늘을 배열하고, 파일 원사가 지조직에 견고하게 편성되도록 다이얼 바늘을 2번 피더,  4번 피더,  6번 피더,  8번 피더와 같이 올니트(all knit)되도록 하고, 실린더의 칼바늘이 후크와 다이얼 바늘 후크 및 래치 바늘 사이에 걸려 있는 파일 루우프가 실린더의 칼바늘에 걸려 있는 실의 장력에 의해 다이얼의 래치 수푼 (Latch Spoon)에 있는 실이 이동하여 후크에 걸리고 동시에 지조직용 원사가 공급되어 다음 편성 위치에서 동시에 편성함을 특징으로 하는 파일 원단의 제법으로서, 종래에 컷파일의 탈락 방지를 위하여 원단의 이면에 수지를 코팅하는 복잡한 공정을 개선한 유익하고 신규한 발명이다.
Patent KR-20010014933-A (KR)
Inventor: YAMAGUCHI HIROTAKA
IPC: H01L29/786
Filed: 2000-05-18
Abstract: PURPOSE: A thin film transistor is provided to obtain a thin-film transistor, which can be applied to an active matrix substrate for a liquid crystal display by using metal whose main component is aluminum as a source/drain electrode of amorphous silicon. CONSTITUTION: A gate electrode(2) on a substrate(1) is covered continuously with a gate insulating layer(3), an intrinsic amorphous silicon semiconductor layer(4) and an ohmic contact layer(5), Before a source and a drain electrodes(6,7) are formed, a surface natural oxide film of the ohmic contact layer(5) is eliminated through high-frequency sputter etching. After the natural oxide film is removed, metal layers(6,7) whose main component is Al are deposited on the gate insulating layer(3) and the ohmic contact layer(5).
Patent KR-20000054461-A (KR)
Inventor: KIM BYUNG HEE
IPC: D06P1/46
Filed: 2000-06-07
Abstract: PURPOSE: A method is to employ the concentrated extract of chrysanthemum as a natural dyestuff having an antibacterial nature and a deodorant function. CONSTITUTION: A method comprises the steps of: crushing 100g of chrysanthemum to powder and extracting the coloring matter with a solvent of methyl alcohol at 60°C for one hour each of four times; concentrating the extract with an evaporator to 150ml; dyeing silk fabrics with the concentrated extract in an automatic dye machine, at the ratio 1:20 of the dye to a medium.
Patent KR-20010020964-A (KR)
Title: An image display device to control conduction to extend the life of organic EL elements
Inventor: KONDO YUJI
IPC: G09G3/32
Filed: 2000-06-08
Abstract: PURPOSE: To provide an image display device for active driving organic EL elements of M-lines and N-columns capable of prolonging the life of the organic EL elements. CONSTITUTION: The driving voltage of a power line 13 is applied to an organic EL element 12 corresponding to the holding voltage of a holding condenser 16 to control light emission of an organic EL element 12 by active driving. In this case, the deriving voltage of the organic EL element 12 is stopped for a moment just before lighting control by discharging the holding voltage of the holding capaciter 16 on the (n) column at a timing of a scanning voltage on the (n-1) column.
Patent KR-20000054515-A (KR)
Inventor: LEE TAE SOO
IPC: F25D11/04
Filed: 2000-06-09
Abstract: PURPOSE: A kimchi refrigerator is provided to open a storage chamber of a door by pulling forward and rotation at an angle of 90 degrees and to minimize heat exchange loss of a freezing cycle as well as to decrease an occupied area by piling up the storage chambers more than two steps. CONSTITUTION: On drawing a storage chamber(20), a user pulls a grip on the front side of the storage chamber(20) forward. Thereby, a slider(12) is drawn out of a guide rail(11) by no rotation of the storage chamber(20). The storage chamber(20) with its half drawn is not contacted with the inner wall of a body(10) to rotate centering on a pin(14) on the front edge of the slider(12). The user takes or stores kimchi in the storage chamber(20) after rotation of the storage chamber(20).
Patent KR-20020000090-A (KR)
Title: Transdermal system consisted of ketoprofen and water-soluble acrylic emulsion adhesive
Inventor: JANG BYEONG MO
IPC: A61K9/10
Filed: 2000-06-21
Abstract: PURPOSE: A transdermal preparation consisting of water-soluble acrylic emulsion adhesive including ketoprofen is provided, thereby applying the ketoprofen, a nonsteroid anti-inflammatory agent, effectively through the skin as with less side-effects. CONSTITUTION: The transdermal preparation consists of an adhesive layer comprising ketoprofen, adhesive, absorbefacient, dissolution-assistant, anti-oxidant and wetting agent; a rear layer; and a separating layer. Wherein, the adhesive layer is produced by adding emulsifier, deionized water and polymerization initiator into the acrylate ester monomer such as 2-ethylhexylacrylate and butylacrylate and by emulsion polymerizing the mixture in the water; the water-soluble adhesive having 20 to 60 wt.% of solid is added into the adhesive layer in an amount of 35 to 90 wt.% to the weight of the adhesive layer; and the ketoprofen is added into the adhesive layer in an amount of 0.1 to 10 wt.% to the weight of the adhesive layer.
Patent KR-20020000623-A (KR)
Inventor: HONG SEONG HAK
IPC: H01L23/488
Filed: 2000-06-26
Abstract: PURPOSE: A wafer level package is provided to control a crack on a solder ball, by forming a conductive bump on a bond pad so that an electrical contact is guaranteed and a thick insulation layer functioning to absorb stress is formed. CONSTITUTION: A bond pad(11) is disposed on a semiconductor chip. A metal bump(20) is formed on the bond pad. An insulation layer is electrically connected to the metal bump, adhered to the surface of the semiconductor chip and having a thickness corresponding to the height of the metal bump. A pattern film(30) has a ball land, including the semiconductor chip, the metal bump and the insulation layer. A solder ball(50) is mounted on the ball land of the pattern film.