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KR940005943A - 투명판표면의 결함수정방법 - Google Patents

투명판표면의 결함수정방법 Download PDF

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Publication number
KR940005943A
KR940005943A KR1019930009035A KR930009035A KR940005943A KR 940005943 A KR940005943 A KR 940005943A KR 1019930009035 A KR1019930009035 A KR 1019930009035A KR 930009035 A KR930009035 A KR 930009035A KR 940005943 A KR940005943 A KR 940005943A
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Prior art keywords
laser beam
defect
excimer laser
transparent plate
arf excimer
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KR1019930009035A
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KR970005523B1 (ko
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오사무 미야자끼
가즈야 요시무라
순지 나까이
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쯔지 하루오
샤프 가부시끼가이샤
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Priority claimed from JP4173339A external-priority patent/JP2786377B2/ja
Priority claimed from JP4233948A external-priority patent/JP2804203B2/ja
Priority claimed from JP5011191A external-priority patent/JPH06130341A/ja
Application filed by 쯔지 하루오, 샤프 가부시끼가이샤 filed Critical 쯔지 하루오
Publication of KR940005943A publication Critical patent/KR940005943A/ko
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Publication of KR970005523B1 publication Critical patent/KR970005523B1/ko

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B29/00Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/04Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/064Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
    • B23K26/066Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms by using masks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/16Surface shaping of articles, e.g. embossing; Apparatus therefor by wave energy or particle radiation, e.g. infrared heating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00Materials to be soldered, welded or cut
    • B23K2103/30Organic material
    • B23K2103/42Plastics
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00Materials to be soldered, welded or cut
    • B23K2103/50Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/0838Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using laser
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0018Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
    • B29K2995/0026Transparent
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/50Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57Improving the yield, e-g- reduction of reject rates

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Laser Beam Processing (AREA)
  • Liquid Crystal (AREA)

Abstract

본 바명은 유리 등외 투명재료로 이루어진 판의 광투과성을 해치지 않고 이 판의 표떤에 발깅된 결함부분을 수정하는 결함수정방법에 관한 것으로, 륵히 액정표시장치등의 표시장치의 표시면의 미세한 오목한 결함부분을 수정하는 걸항수정방법에 관한 것이다. 결함부분의 형상에 대웅하는 형상의 개구를 갖는 마스크를 이용해 렌즈를 통해 엑시머 레이저빔을 조사하거나, 결함부분의 빔의 크기를 복수치로 변화시키면서 빔을 조사한다. 마스크로는 결함부분보다 큰 개구률 갖는 조리개 마스크를 이용할 수 있다. 빔의 크기는 각각 다른 크기의 개구를 갖는 복수의 마스크률 서로 교환하여서 변화된다. 또는, 엑시머 레이저빔의 중앙부의 에너지가 높과 주변부의 에너지가 낮도록 빔을 조사한다. 그렇지 않으면, 결함부분의 다른 부분들에 ArF 엑시머 레이저 빔 이 조사됨과 동시에 레이저빔의 발사 회수를 변화시키기 위해 레이저빔의 크기를 결함부분보다 작게하고 결함부론 갖는 투명판을 이동시킨다.

Description

투명판표면의 결함수정방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 ArF 엑시머 레이저빔을 조사하여 얻어진 부분의 단면도;
제2도는 KrF 엑시머 레이저빔을 조사하여 얻어진 부분의 단면도;
제3도는 투명판표면에 ArF 엑시머 레이저빔을 조사하는 것을 보여주는 개략도;
제4도는 본 발명에 따른 결함수정방법에 의해 얻어진 부분의 단면도;
제5도는 ArF 엑시머 레이저빔을 조사하여 얻어진 부분의 단면도.

Claims (17)

  1. 투명판 표면의 결함부분에 ArF 엑시머 레이저빔을 조사하여 상기 투명판 표면을 평활화 하는 투명판표면의 결함수정방법.
  2. 제1항에 있어서, 결함부분의 형상에 대응하는 형상의 개구를 갖는 마스크를 이용해 상기 ArF 엑시머 레이저 빔을 조사하는 투명판표면의 결함수정방법.
  3. 제1항에 있어서 상기 ArF 엑시머 레이저빔을 렌즈를 통해 조사하는 투명판 표면의 결함수정방법.
  4. 제1항에 있어서 상기 결함부분에서의 상기 ArF 엑시머 레이저빔의 크기를 복수치로 변화시키면서 레이저빔을 조사하는 투명판표면의 결함수전방법.
  5. 제4항에 있어서, 서로 다른 크기의 개구를 갖는 복수의 마스크들을 교환하여서 상기 빔의 크기를 변화시키는 투명판표면의 결함수정방법.
  6. 제4항에 있어서, 크기가 서로 다른 복수의 개구를 갖는 하나의 마스크를 이용하여 상기 빔의 르기를 탄화시키는 투명판표면의 결함수절방법.
  7. 제1항에 있어서, 결함부분의 중앙부에서는 에너지가 늪고 외주부에서는 에너지가 낮도록 상기 ArF 엑시머 렌이저빔을 조사하는 투명판표면의 결함수정방법.
  8. 제1항에 있어서 상기 ArF 엑시머 레이저빔의 크기가 상기 결함부분의 크기 보다 작으며, 상기 ArF 엑시머 레이저빔으로 상기 결함부분의 다른 부분들을 순차적으로 조사하도록 상기 결함부분을 갖는 투명판을 이동시킴과 동시에 상기 ArF 엑시머 레이저빔의 발사 회수를 변화시키는 투명판표면의 결함수정방법.
  9. 제8항에 있어서 상기 결글부븐의 깊이와 길이중 적어도 하나에 따라 상기 빔의 발사 회수를 변화시키는 투명판표면의 결함수정방법.
  10. 제8항에 있어서, 상기 결함부분을 갖는 투명판은 상기 결함부분의 중앙부가 상기 ArF 엑시머 레이저빔에 노출되었을 때는 턴턴히 이동되고 상기 결함부분의 외주부가 상기 레이저빔에 노출되었을 때는 신속히 이퐁되는 상기 결함부문 그 외주부가 살기 레이저빌에 노출되었을 때는 신속히 이동되는 투명판표면의 결함수정방법.
  11. 제3항에 있어서, 상기 ArF 엑시머 레이저빔에 의해 결함부분의 다른 부분들이 연속적으로 조사되도록 상기 레이저빔의 초점도률 변화시키고 결함부분을 갖는 투명관을 이동시키는 투명갈표면의 결함수정방법.
  12. 제11항에 있린서 상기 초점도의 변화와 상기 결함부분을 갖는 투명관의 이동이 ArF 엑시머 레이저빔의 조사에 평행한 방향과 교차하는 방향으로 투명관이 장착된 스떼 이 지 를 이동시 켜 서 실행되는 투명관좌면의 결함수정방법.
  13. 제1항에 있어서, 상기 결함부분보다 큰 개구를 갖는 조리개 마스크를 이용하여 ArF 엑시머 레이저빔을 조사하는 투명판표면의 결함수정방법.
  14. 제13항에 있어서, ArF 엑시머 레이저빔을 조사하는 동안 상기 조리개 마스크의 개구의 직경이 순차적으로 변화하는 투명판표면의 결함수정방법.
  15. 제1항에 있어서, 상기 투명관표면을 겉함부분만을 제외하고 마스크된 상태에서 ArF 엑시머 레이저빔을 조사하는 투명관표면의 결함수정방법.
  16. 제1항에 있어서, 상기 투명판이 유리로 형성되는 투명관표면의 결함수정방법.
  17. 제1항에 있어서, 상기 투명관이 표시장치의 표시면인 투명판표면의 결함수정방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930009035A 1992-06-30 1993-05-22 투명판 표면의 결함 수정 방법 KR970005523B1 (ko)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP4173339A JP2786377B2 (ja) 1992-06-30 1992-06-30 透明板表面の欠陥修正方法
JP92-173339 1992-06-30
JP4233948A JP2804203B2 (ja) 1992-09-01 1992-09-01 液晶表示装置の欠陥修正方法
JP92-233948 1992-09-01
JP92-233950 1992-09-01
JP23395092 1992-09-01
JP5011191A JPH06130341A (ja) 1992-09-01 1993-01-26 表示装置の欠陥修正方法
JP93-11191 1993-01-26

Publications (2)

Publication Number Publication Date
KR940005943A true KR940005943A (ko) 1994-03-22
KR970005523B1 KR970005523B1 (ko) 1997-04-17

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US (1) US5514850A (ko)
EP (1) EP0577260B1 (ko)
KR (1) KR970005523B1 (ko)
DE (1) DE69312814T2 (ko)

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US5514850A (en) 1996-05-07
DE69312814D1 (de) 1997-09-11
EP0577260A2 (en) 1994-01-05
KR970005523B1 (ko) 1997-04-17
DE69312814T2 (de) 1998-02-26
EP0577260A3 (ko) 1994-02-16

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