baber/WOPTO huggingface dataset:
Patent KR-20040039773-A (KR)
Title: Head parking apparatus of data storage apparatus
Inventor: JIN DAE GEUN
IPC: G11B21/22
Filed: 2002-11-04
Abstract: PURPOSE: A head parking device is provided to elastically support a head while a certain distance is maintained between a disc and the head by using a spring and a wire and to contact the head at the disc by using an actuator. CONSTITUTION: The device comprises an elastic support(40) and a contact driver(50). The elastic support(40) elastically supports the head for maintaining a distance between a slider(23) of the head and a disc(10). The elastic support(40) connects one end of a suspension(22) to one end of a wire(30), fixes the other end of the wire(30) at a fixture(33), connects the other end of the suspension(22) to one end of other wire(31), connects the other end of the wire(31) to one end of a spring(32) and fixes the other end of the spring(32) at a fixture(34). The contact driver(50) moves the suspension(22) of the head downwardly for contacting the slider(23) at the disc(10). The contact driver(50) connects one end of a pulling wire(51) to a middle of a wire, and connects the other end of the pulling wire(51) to an actuator(53).
Patent KR-20040040091-A (KR)
Title: Apparatus for removing ores agglutinated on the inner wall of ship hold
Inventor: HWANG JUN HA
IPC: B65G67/60
Filed: 2002-11-06
Abstract: PURPOSE: A device for removing coals in a ship hold is provided to improve work efficiency of an unloader by removing the coals attached on the wall of the ship hold and to prevent the delay of operation and accidents of operators in burying unloading equipment to the collapse of the coals. CONSTITUTION: A device for removing coals in a ship hold is composed of an extension cylinder(23) movably mounted to a rotary shaft of a sprocket(5) around which rotary buckets(4) of an unloader rotates; a circular arc-shaped vibrating plate(16) fixed to a fixing plate(18) fixed to the extension cylinder by a vibrating spring(17) to vibrate and combined with a plurality of vibrating spikes(15) on the outside; a vibrating motor(19) fixed to the recessed inside of the vibrating plate to generate vibration; and a wire rope(14) fixed to the upper part of the fixing plate and wound and unwound by a wire drum(11) of a driving motor(12) fixed to a motor base(13) protruded under a worktable of the unloader.
Patent KR-20040045734-A (KR)
Title: Rotor Structure of The Washing Machine
Inventor: PARK YONG SEOK
IPC: H02K21/22
Filed: 2002-11-25
Abstract: PURPOSE: A rotor structure is provided to prevent a slip phenomenon during left and right inversion of motor by improving a coupling force between an iron core and a rotor housing. CONSTITUTION: A laundry washing machine comprises a motor assembly including an iron core(200) arranged at the inner surface of a rotor housing(300), and a stator disposed in the iron core. The iron core has a plurality of key grooves(200a) formed along the outer surface of the iron core. The rotor housing has a plurality of beads(300a) formed along the inner surface of the rotor housing in such a manner that the beads correspond to the key grooves formed at the iron core.
Patent KR-20040049043-A (KR)
Title: Valve using shape memory alloy and cooking utensil with such
Inventor: KIM BOG DONG
IPC: A47J27/092
Filed: 2002-12-03
Abstract: PURPOSE: A valve and a cooking utensil installing the valve are provided to simplify the structure, to improve the reliability and to reduce dangers of the breakage or the fire. CONSTITUTION: A casing(11) has an inlet and an outlet for fluid and a passage to be connected through the inlet and the outlet. A valve body(15) is installed to be movable between a first position to close the passage and a second position to open the passage. A connecting member(20) is formed by a shape memory alloy having a certain martensite-austenite transition temperature. The one side of the connecting member is connected with the casing and the other side of the connecting member is connected with the valve body to locate the valve body in the first position at a lower temperature than the transition temperature and to locate the valve body in the second position at a higher temperature. Thereby, the production time and the production cost are reduced by simplifying the structure.
Patent KR-20040052408-A (KR)
Title: Optical ribbon fiber including tension members
Inventor: LEE HO SUN
IPC: G02B6/44
Filed: 2002-12-17
Abstract: PURPOSE: A ribbon optical fiber having tensile members is provided to increase the tensile force of the ribbon optical fiber without increasing the volume of the ribbon optical fiber by inserting various kinds of tensile members into the inside of the ribbon optical fiber. CONSTITUTION: A ribbon optical fiber having tensile materials includes a plurality of optical fibers, a couple of tensile members, and a ribbon coating layer. The optical fibers(310) are arranged in a line. The tensile members(330) are arranged at both ends of the optical fibers in order to increase the tensile force of the optical fibers. The ribbon coating layer(320) is formed on the optical fibers and the tensile members in order to combine the optical fibers with the tensile members.
Patent KR-20030051374-A (KR)
Title: Process for the Production of High Quality Middle Distillates from Mild Hydrocrackers and Vacuum Gas Oil Hydrotreaters in Combination with External Feeds in the Middle Distillate Boiling Range
Inventor: MUKHERJEE UJJALKUMAR
IPC: C10G65/12
Filed: 2002-12-17
Abstract: PURPOSE: Provided are a mild hydrocracking apparatus using external material in the boiling range of middle distillates and a method for producing high quality middle distillates from a vacuum light oil hydrotreating apparatus. CONSTITUTION: The method includes the steps of: (a) passing a hydrocarbonaceous feedstock to a first hydroprocessing zone having one or more beds containing hydroprocessing catalyst; (b) passing the effluent of step (a) directly to a hot high pressure separator; (c) passing the vapor stream from step (b) after cooling and partial condensation to a hot hydrogen stripper containing at least one bed of hydrotreating catalyst; (d) passing the overhead vapor stream from the hot hydrogen stripper of step (c), after cooling and contacting with water, to a first cold high pressure separator; (e) passing the liquid stream from the hot hydrogen stripper of step (c) to a bed of hydroprocessing catalyst in the second reactor stage; (f) passing the overhead from the cold high pressure separator of step (d) to an amine absorber; (g) passing the separator bottoms of step (b) to a second reaction stage; (h) passing the vapor stream of step (g) after cooling to a second cold high-pressure separator; (i) passing the liquid effluent of step (g) after cooling to the cold high-pressure separator of step (h) to separate hydrogen and light hydrocarbonaceous gases from the liquid effluent; (j) passing the vapor stream from steps (h) and (i) after further cooling and separation of condensate, to the make-up hydrogen compressor; (k) passing the compressed hydrogen from the make-up hydrogen compressor to the primary reactor loop; and (l) passing the liquid effluent from steps (h) and (i) to the fractionation system.
Patent KR-20040054175-A (KR)
Title: Tile method and the article
Inventor: SHIN YONG EUN
IPC: B28B11/24
Filed: 2002-12-18
Abstract: PURPOSE: A preparation method and a structure of tile are provided to enhance a quality of a tile product and to prevent and treat a various adult disease by forming a field stone integrally on the surface of a tile. CONSTITUTION: The preparation method of a tile comprises the steps of: forming a tile body by putting a material of a clay in a die, forming the outer shape in a square plate type, calcining it, glazing the outer surface and re-calcining it; preparing a space thereon by attaching a tape to the edge of the tile body; charging a field stone and a clear adhesive together into the space; and putting the product into a heating furnace and calcining it, in order.
Patent KR-20040055334-A (KR)
Title: Apparatus for Preventing Mechanical Sealing Part of Water Pump from Corrosion
Inventor: KANG SEONG DO
IPC: F04D29/12
Filed: 2002-12-20
Abstract: PURPOSE: An apparatus for preventing abrasion of a mechanical sealing part of a feed water pump is provided to prevent Galvanic abrasion of a sealing pad of the mechanical sealing part by maintaining dissolved oxygen of sealed water supplied to the mechanical sealing part of the feed water pump below a reference value. CONSTITUTION: An apparatus for preventing abrasion of a mechanical sealing part of a feed water pump includes a sealed water outflow tube(308), a sealed water inflow tube(312), a storage tank(508), and a control part. One end part of the sealed water outflow tube(308)is connected to the mechanical sealing part and the other end part of the sealed water inflow tube(312) is connected to the cooling unit in order to outflow sealed water to the cooling unit. One end part of the sealed water inflow tube(312) is connected to the cooling unit and the end part of the sealed water inflow tube(312) is connected to the mechanical sealing part in order to inflow sealed water having a low temperature owing to the cooling unit.
Patent KR-20040058488-A (KR)
Title: Anticorrosive coating solution for zinc coated steel sheet
Inventor: CHO DU HWAN
IPC: C23F11/12
Filed: 2002-12-27
Abstract: PURPOSE: An anti-corrosive coating solution for galvanized steel sheet is provided which is environmentally friendly as it does not contain chromium and has superior corrosion resistance, surface appearance and solution stability. CONSTITUTION: The anti-corrosive coating solution for galvanized steel sheet comprises 3 to 10 wt.% of an aqueous metal oxide solution comprising at least one or more of compounds selected from the group consisting of MoO2(OH)(OOH), MoO2(OH)2 and WO2(OH)(OOH) and a mixture thereof, and 5 to 20 wt.% of colloid silica, wherein the aqueous metal oxide solution is obtained by reacting hydrogen peroxide with molybdenum metal powder or reacting hydrogen peroxide with tungsten metal powder, and wherein the anti-corrosive coating solution comprises phosphoric acid, phosphate or silane crosslinking agent as an additive.
Patent KR-20030068387-A (KR)
IPC: F27D1/04
Filed: 2002-12-27
Abstract: 마이크로파의 조사에 의해서 피소성물을 자기발열로 소성하기 위한 마이크로파 소성로용 내화단열재이다.  기재(基材)의 한 면에 발열층이 설치되어 있고, 기재는 무기섬유질재료를 주성분으로 하고, 발열층은 뮬라이트를 주성분으로 한다. 뮬라이트에 더하여, 발열층이 뮬라이트보다도 큰 마이크로파흡수특성을 갖는 물질을 포함하더라도 좋다.  또한, 발열층이, 무기결합재를 포함한다.  그 무기결합재가, 뮬라이트만을, 또는, 뮬라이트보다도 큰 마이크로파흡수특성을 갖는 물질과 뮬라이트를, 피막형상으로 연속하여 덮고 있다.
Patent KR-20040058932-A (KR)
Title: Device for sensing rotation angle of rotating mobile phone with camera and Method the same
Inventor: CHO BAE GEUN
IPC: H04B1/38
Filed: 2002-12-27
Abstract: PURPOSE: A device for recognizing a rotational angle of a rotative terminal where a camera is attached is provided to recognize a rotational angle of a terminal, and to convert a subject to be pictured of a camera, then to display the converted subject, thereby confirming the subject on an LCD screen without other functions. CONSTITUTION: The first sensor transmission device(121) is disposed on a left lower end of an upper folder(120). The second sensor transmission device(122) is disposed on a right lower end of the upper folder(120). The third sensor transmission device(123) is disposed around a central upper speaker(126) of the upper folder(120). The first sensor receiving device(111) is disposed on a central left top of a lower folder(110). The second sensor receiving device(112) is disposed on a central right top of the lower folder(110). The fourth sensor receiving device(114) is disposed in the middle of the lower folder(110). The third sensor receiving device(113) is disposed around a central lower microphone(118) of the lower folder(110).
Patent KR-20040058985-A (KR)
Title: Flash memory device capable of repairing a word line
Inventor: LEE JU YEOP
IPC: G11C7/00
Filed: 2002-12-27
Abstract: PURPOSE: A flash memory device capable of repairing a word line is provided to prevent yield decrease and to improve reliability of the device. CONSTITUTION: A main cell array(110) has a number of cells divided in I/O block unit. A redundancy cell array(120) comprises repair blocks where the number of word lines is equal to the number of columns constituting the I/O block and the number of cells connected to the word line is equal to the number of the I/O block. A CAM cell array(130) stores information including defective word line information of the main cell array and connection information as to the repair block replacing the defective word line. A word line voltage switching part(140) transfers a word line voltage applied to the defective word line to the redundancy cell array according to the defective word line information. And a word line selection unit(150a-150p) is enabled by the connection information, and selects a word line of the repair block corresponding to the column of the I/O block according to a column selection signal of the main cell array and then applies the word line voltage to the selected word line.
Patent KR-20040060041-A (KR)
Title: Method for manufacturing of lcd
Inventor: JUNG YEONG SEOP
IPC: G02F1/136
Filed: 2002-12-30
Abstract: PURPOSE: A method for manufacturing an LCD(Liquid Crystal Display) is provided to form a uniform channel layer in the low temperature state when forming source/drain electrodes by using chromium. CONSTITUTION: A metal film is deposited on a transparent insulation substrate(100) and a photoresist is coated on the metal film. A gate electrode(101) and a gate bus line are formed by exposing, developing and etching the photoresist and the metal film through the first mask. A gate insulation film is coated on the insulation substrate(100) and then an amorphous silicon for forming a channel layer(115) and an n+ doped silicon layer for forming an ohmic contact layer are sequentially coated on the gate insulation film. An active region formed on a TFT(Thin Film Transistor) is etched by using the second mask. Chromium is coated on the entire surface of the insulation substrate(100) and then source/drain electrodes(116a,116b) are formed by exposing, developing and wet-etching through the third mask, thereby forming the TFT device of the LCD. When etching the ohmic contact layer and the channel layer(115), patterned photoresist(200) is coated on the source/drain electrodes(116a,116b) and a dry etching is performed at the low temperature.
Patent KR-20040061391-A (KR)
Title: A structure of vent grille for OTR type microwave oven
Inventor: LEE SANG GI
IPC: F24C15/20
Filed: 2002-12-30
Abstract: PURPOSE: A vent grille structure of a microwave oven combined with a hood is provided to prevent a vent hole from being exposed to the front of the microwave oven. CONSTITUTION: A vent grille structure of a microwave oven combined with a hood comprises a cavity assembly in which a cooking chamber is formed; a door turnably installed on a side of a front plate(35), to selectively open and shut the cooking chamber; and a vent grille(40) having a grille body(41) transversely mounted on a side of the front plate, and plural vent holes(43) formed on one side of the grille body adjacent to the door. The front plate constitutes the front of the cavity assembly. The rear of the grille body is open to communicate with the inside of the microwave oven. Air, coming in and out of the microwave oven, passes through the vent holes.
Patent KR-20020016931-A (KR)
Title: Azaindolizinone derivatives and cerebral function improvers containing the same as the active ingredient
IPC: A61P25/28
Filed: 2000-07-28
Abstract: Azaindolizinon derivatives or pharmaceutically acceptable salts thereof represented by the formula I: <CHEM>  wherein     R1 represents hydrogen atom, halogen atom or C1-C6 alkyl, R2 represents hydrogen atom, C1-C6 alkyl, C1-C6alkoxy, hydroxy, halogen atom, amino, acetylamino, benzylamino, trifluoromethyl or -O-(CH2)n-R5 (R5 represents vinyl, C3-C8 cycloalkyl or phenyl, n being 0 or 1), R3 and R4 respectively represent C1-C6 alkyl or -CH(R7)-R6 (wherein R6 represents vinyl, ethynyl, phenyl (which may be substituted with C1-C6 alkyl, C1-C6 alkoxy, hydroxy, one or two halogen atoms, di C1-C6 alkylamino, cyano, nitro, carboxy or phenyl), phenethyl, pyridyl, thienyl or furyl and R7 represents hydrogen atom or C1-C6 alkyl) or R3 is coupled with R4 to form indan or dihydrophenalene.
Patent KR-20020025989-A (KR)
IPC: H05K1/03
Filed: 2001-06-21
Abstract: 본 발명은, 제1 무기물층-절연층-제2 무기물층, 또는 무기물층-절연층으로 되는 적층체의 절연층이 코어 절연층과 접착성 절연층의 2층 이상의 수지층이고, 이 경우, 적당한 에칭을 행할 수 있는 접착성 절연층을 갖고, 습식방법에서의 에칭에 적합하고, 접착성이 우수한 수지 적층체를 제공하는 것이고, 절연층을 형성하는 적어도 1층이, 일반식(1)으로 나타내지는 반복단위를 갖는 폴리이미드 수지이고, 또한 150~360℃의 유리전이점을 갖고, 염기성 용액에 대한 용해속도가 3㎛/분보다 큰, 바람직하기는 5㎛/분보다 큰, 가장 바람직하기는 8㎛/분보다 큰, 폴리이미드 수지로 되는 것을 특징으로 한다.
Patent KR-20020031417-A (KR)
IPC: H01L21/00
Filed: 2000-10-20
Abstract: 서셉터(22) 상부면의 웨이퍼 유지 영역(50)에 있어, 웨이퍼(W)와 웨이퍼 가열면(52) 사이에 소정 거리의 틈새가 생기도록 웨이퍼 지지부(54)로 웨이퍼(W)를 지지한다.  게다가, 웨이퍼 가열면(52) 상에, 웨이퍼(W)와의 틈새 거리가 작아지는 볼록부(58)를 설치한다.  이 때, 서셉터(22)에서 웨이퍼(W)로의 가열 조건이 웨이퍼 유지 영역(50)의 각 부위에서의 틈새 거리에 의해 조정되고, 이로써, 웨이퍼(W) 면내에서의 온도 분포의 균일성, 및 형성되는 막의 두께 분포의 균일성을 향상시킬 수 있다.
Patent KR-20020037773-A (KR)
Title: Method for producing metallic iron
IPC: C22B5/10
Filed: 2001-08-09
Abstract: A method for heating, reducing and melting a raw material mixture containing carbonaceous reducing agents and an iron oxide-contained substance to manufacture metallic iron, characterized in that a liquid fraction in a solid and liquid coexisting phase of produced slag containing a multi-component gangue is controlled to thereby accelerate melting of solid metallic iron produced.
Patent KR-20020060220-A (KR)
IPC: C07K5/06
Filed: 2000-10-30
Abstract: 본 발명은 카제인 함유 출발 물질을 젖산균으로 발효시켜 항고혈압 펩티드를 함유하는 제품을 제조하는 방법에 관한 것이다. 또한 본 발명은 수득 제품 및 그 용도, 즉 그 자체의 기능성 제품으로서의 용도 또는 식용 물질의 성분이나 첨가물로서의 용도에 관한 것이다.
Patent KR-20020059668-A (KR)
Title: Particulate vitamin composition
IPC: A61K9/16
Filed: 2000-12-19
Abstract: A particulate composition comprising (a) an oil of a vitamin, an oil containing one or more vitamins or a derivative, (b) a gelling agent of vegetable origin having a glass transition point greater than 20° C., and (c) a protein, except gelatine.
Patent KR-20020070333-A (KR)
Title: 유기 전기발광 소자
IPC: H01L51/50
Filed: 2001-11-05
Abstract: 본 발명의 신규 화합물은 중심에 디페닐안트라센 구조를 가지며, 말단에 아릴기로 치환된 특정 구조를 갖고, 유기 전기발광 소자는 한쌍의 전극 사이에 발광층 또는 발광층을 포함하는 복수층을 포함하는 유기 화합물 박막을 형성하여 이루어진 유기 전기발광 소자에 있어서, 이 유기 화합물 박막의 한층 이상이 상기 신규 화합물을 함유한다.  발광 효율이 높고, 내열성이 우수하며, 수명이 길고, 색순도가 우수한 청색계로 발광하는 신규 화합물 및 이를 이용한 유기 전기발광 소자를 제공한다.
Patent KR-20020077378-A (KR)
IPC: G02F1/1368
Filed: 2001-07-05
Abstract: 바탕막(base film)의 유무로 인하여 하프톤 레지스트의 두께에 차이가 생기는 것을 방지하고 정밀도가 좋은 패턴닝(patterning)을 행한다. 레지스트를 노광하기 위한 포토 마스크에 투과부, 차광부 및 투과하는 광량이 다른 2종류의 반투과부를 설치하고, 바탕막이 존재하는 영역은 투과 광량이 적은 반투과부, 바탕막이 존재하지 않는 영역은 투과 광량이 많은 반투과부로 하여 노광시의 노광량을 조절하고 균일한 두께의 하프톤 레지스트를 형성한다.
Patent KR-20020087078-A (KR)
Title: 새로운 알칼리 연료 전지
IPC: H01M8/02
Filed: 2001-03-13
Abstract: 본 발명은 즉시 기동할 수 있고, 전해조로서 역구동함으로써 회생 제동과 같은 리캡쳐 에너지를 수용할 수 있는 연료 전지(7)에 관한 것이다. 순간 기동 연료 전지(7)는 증가된 효율 및 파워 효용(보다 높은 전압 및 전류)과, 대략 -20 내지 150℃의 작동 온도 범위의 극적인 향상을 갖는다.
Patent KR-20030020268-A (KR)
Title: Plastic container with a snap-in lid
IPC: B65D21/02
Filed: 2001-02-08
Abstract: A plastic container with a snap lid and with a snap element provided on an upper edge area of the container for the lid to snap onto, where the lid being snapped onto the container has an area that comes into tight contact with the upper edge area of the container, the areas of the lid and of the container cooperating under tight contact generate a sealing region. The object of the invention is to design a plastic container with snap lid, which reliably fulfils special demands on leak-proofness. To this end, the sealing region between the container and the lid is provided with a circumferential seal made of a material of greater elasticity than the container and the lid and in that the seal is integrally moulded on at least one of the cooperation areas of the lid and of the container generating the sealing region. The seal can be located in a circumferential groove in the lid. The seal can have two sealing regions spaced apart that are at different angles to the main axis of the container, where the container and/or lid has areas that provide for tight contact on the sealing regions. The container and the seal are provided with elevations in the form of ribs which come into contact when the lid is on. At the height of the seal, the outer flank of the groove on the lid laterally contacts the outside of the container.
Patent KR-20030020269-A (KR)
Title: Universal frequency electrical generator
IPC: H02K27/20
Filed: 2001-03-30
Abstract: A power generator in which the rotor's mechanical rotation speed and the output frequency can be varied substantially independently of each other through electronic controls, to achieve results such as better match between speed and load regime of the primary mover and the generator's output.
Patent KR-20020087970-A (KR)
Title: 데이터 기록 매체 및 그 재생 장치
IPC: G11B20/00
Filed: 2001-05-17
Abstract: 고유 데이터가 변조되어 기록되고, 또한 그 다음에 생성되는 암호키에 의해서 해독 가능한 데이터가 기록되어 있는 기록 가능 데이터 기록 매체에서, 상기 고유 데이터의 변조 방식이 상기 재생 전용 데이터 기록 매체와 상이하도록 함으로써, 기록 가능 데이터 기록 매체와 재생 전용 데이터 기록 매체를 판별하는 기능을 갖지 않은 광디스크 장치에서, 기록 가능 데이터 기록 매체의 재생을 실행할 수 없도록 함으로써, 데이터 기록 매체 판별 기능의 장착을 촉구하고 또한 저작권 보호 기능을 보다 확실한 것으로 한다.
Patent KR-20030007801-A (KR)
IPC: H04H60/31
Filed: 2002-03-28
Abstract: 텔레비전 프로그램들을 추천하는 방법들 및 장치들이 제공된다.  제공되는 방법들은, 적어도 3개의 상이한 프로그램 추천기들에 대해 하나 이상의 텔레비전 프로그램들의 리스트를 얻는 단계, 각 추천기로부터 추천 점수를 얻는 단계, 및 표결 처리를 적용함으로써, 조합된 추천 점수를 계산하는 단계를 포함한다.  조합된 추천 점수는, 이에 근거하여, 관심있는 텔레비전 프로그램을 선택할 수 있도록 사용자에게 표시된다.  표결 처리는 바예시안 방법, 계층적 결정 트리 방법, 메모리 기반 학습 처리, 규칙 기반 학습 처리, 신경망, 또는 은닉 마코브 모델을 포함하는 확률론적 방법이다.  열거된 확률론적 처리들은 조화 방법, 다수결 방법, 신뢰 방법, 평균 방법 및 이들을 혼합한 것들을 포함하는 조합 방법에 따라 더 조합될 수 있다.
Patent KR-20030011887-A (KR)
IPC: H01L21/603
Filed: 2000-12-01
Abstract: 기판과 다이 간의 고품질의 솔더 또는 와이어 본드들을 보장하기 위하여, 스택형 다이 어셈블리 또는 플립칩 어셈블리의 기판 그리고/또는 다이 또는 다이들의 본딩 영역들을 확실하게 가열하는 방법 및 장치가 개시된다. 본 발명의 일 실시예의 방법에 따르면, 와이어 본딩 공정 이전에 그리고 와이어 본딩 공정 동안 다이들의 상부 표면들 쪽을 향해 적외선 램프 또는 건으로 적외선을 방사함으로써 스택형 다이 패키지의 다이들의 와이어 본딩 영역들을 가열하거나, 플립칩이 장착될 기판의 상부 표면의 본딩 패드 영역을 적외선 램프 또는 건으로부터의 적외선 방사에 의해 바람직한 온도까지 가열한 다음, 플립칩을 기판에 접착시킨다. 기판 및 다이들의 상부 표면들에 가해지는 적외선 방사 가열을 이용하게 되면, 이들 기판 및 다이들의 개별적인 와이어 본딩 영역들이 필요한 시간 주기 내에서 적절한 와이어 본딩 온도로 가열됨으로써, 고품질의 와이어 본딩을 가능해지고 와이어 본딩의 수율이 증가된다.
Patent KR-20040067495-A (KR)
Inventor: KIM BYEONG SEOK
IPC: A44C27/00
Filed: 2003-01-23
Abstract: PURPOSE: Provided is a functional precious metallic ornament, which has increased hardness to inhibit the deformation by external pressure, to prevent the plating layer from peeling off, and to give a favorable effect on human body such as blood purification, cell activation, immunity improvement and nerve tranquilizing action. CONSTITUTION: The functional precious metallic ornament comprises a molding product(10), an electroless copper plating layer(20), a copper sulfate plating layer(30), a first tungsten plating layer(40), a precious metal plating layer(50) plated with Au(gold) and a second tungsten plating layer(60). The molding product(10) is formed by molding a mixture of a negative ion and far-infrared rays radiating mineral and other component or carving the mineral in the desired pattern. The electroless copper plating layer(20) is formed by ultrasonic-washing, dipping into a catalyst solution, washing and then dipping into a mixture of chemical copper A solution and chemical copper B solution. The copper sulfate plating layer(30) is formed by dipping into a mixing solution of copper sulfate, sulfuric acid, a polishing agent and hydrochloric acid. The first and second tungsten plating layer(40,60) comprises the diamond powder.