KR20050058956A - 레지스트 패턴의 형성방법, 이것을 사용한 미세 패턴의형성방법 및 액정 표시소자의 제조방법 - Google Patents
레지스트 패턴의 형성방법, 이것을 사용한 미세 패턴의형성방법 및 액정 표시소자의 제조방법 Download PDFInfo
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- KR20050058956A KR20050058956A KR1020040102204A KR20040102204A KR20050058956A KR 20050058956 A KR20050058956 A KR 20050058956A KR 1020040102204 A KR1020040102204 A KR 1020040102204A KR 20040102204 A KR20040102204 A KR 20040102204A KR 20050058956 A KR20050058956 A KR 20050058956A
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
- H01L21/0271—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers
- H01L21/0273—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers characterised by the treatment of photoresist layers
- H01L21/0274—Photolithographic processes
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/26—Processing photosensitive materials; Apparatus therefor
- G03F7/36—Imagewise removal not covered by groups G03F7/30 - G03F7/34, e.g. using gas streams, using plasma
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1259—Multistep manufacturing methods
- H01L27/1288—Multistep manufacturing methods employing particular masking sequences or specially adapted masks, e.g. half-tone mask
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
- Materials For Photolithography (AREA)
- Drying Of Semiconductors (AREA)
- Weting (AREA)
- Thin Film Transistor (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
Abstract
Description
UV 큐어 | 포스트베이크 | 내열성 | 내건식 에칭성 | 내습식 에칭성 | |
실시예 1 | 유 | 무 | ○ | ○ | × |
실시예 2 | 유 | 무 | ○ | ○ | × |
실시예 3 | 유 | 유 | ○ | ○ | ○ |
실시예 4 | 유 | 유 | ○ | ○ | ○ |
비교예 1 | 무 | 무 | × | × | × |
비교예 2 | 무 | 무 | × | × | × |
비교예 3 | 무 | 유 | -※ | -※ | -※ |
비교예 4 | 무 | 유 | -※ | -※ | -※ |
(※ 포스트베이크 처리 후, 레지스트 패턴이 변형되었기 때문에 내열성, 내건식 에칭성 및 내습식 에칭성은 평가할 수 없었다) |
Claims (14)
- (A) 기체 상에 포토레지스트 피막을 형성하는 공정, (B) 선택적 노광을 포함하는 포토리소그래피 공정을 거쳐, 상기 포토레지스트 피막을 후육부와 박육부를 갖는 패턴형상으로 패터닝하는 공정, 및 (C) 상기 패터닝을 실시한 후, UV 큐어 (cure) 처리를 실시하여 후육부와 박육부를 갖는 단상 (段狀) 레지스트 패턴을 형성하는 공정을 갖는 레지스트 패턴의 형성방법.
- 제 1 항에 있어서,(D) 상기 UV 큐어 처리를 실시한 후, 포스트베이크 처리를 실시하는 공정을 갖는 레지스트 패턴의 형성방법.
- 제 1 항에 있어서,상기 기체가, 유리 기판 상에 게이트 전극, 제 1 절연막, 제 1 비정질 실리카막, 에칭 스토퍼막, 제 2 비정질 실리카막, 및 소스 드레인 전극 형성용 금속막이 유리 기판측으로부터 순차적으로 적층된 다층 구조를 갖는 것인 레지스트 패턴의 형성방법.
- 제 2 항에 있어서,상기 기체가, 유리 기판 상에 게이트 전극, 제 1 절연막, 제 1 비정질 실리카막, 에칭 스토퍼막, 제 2 비정질 실리카막, 및 소스 드레인 전극 형성용 금속막이 유리 기판측으로부터 순차적으로 적층된 다층 구조를 갖는 것인 레지스트 패턴의 형성방법.
- 제 1 항에 기재된 방법으로 상기 단상 레지스트 패턴을 형성한 후, (E) 상기 단상 레지스트 패턴을 마스크로 하여 상기 기체에 에칭 처리를 실시한 후, (F) 상기 단상 레지스트 패턴에 대하여 애싱 처리 (회화 (灰化) 처리) 를 실시하여, 상기 박육부를 제거하고, (G) 상기 박육부를 제거한 후, 후육부를 마스크로 하여 상기 기체에 에칭 처리를 실시하고, 이후에 (H) 상기 단상 레지스트 패턴의 후육부를 제거하는 공정을 갖는 미세 패턴의 형성방법.
- 제 2 항에 기재된 방법으로 상기 단상 레지스트 패턴을 형성한 후, (E) 상기 단상 레지스트 패턴을 마스크로 하여 상기 기체에 에칭 처리를 실시한 후, (F) 상기 단상 레지스트 패턴에 대하여 애싱 처리 (회화 처리) 를 실시하여, 상기 박육부를 제거하고, (G) 상기 박육부를 제거한 후, 후육부를 마스크로 하여 상기 기체에 에칭 처리를 실시하고, 이후에 (H) 상기 단상 레지스트 패턴의 후육부를 제거하는 공정을 갖는 미세 패턴의 형성방법.
- 제 3 항에 기재된 방법으로 상기 단상 레지스트 패턴을 형성한 후, (E) 상기 단상 레지스트 패턴을 마스크로 하여 상기 기체에 에칭 처리를 실시한 후, (F) 상기 단상 레지스트 패턴에 대하여 애싱 처리 (회화 처리) 를 실시하여, 상기 박육부를 제거하고, (G) 상기 박육부를 제거한 후, 후육부를 마스크로 하여 상기 기체에 에칭 처리를 실시하고, 이 후에 (H) 상기 단상 레지스트 패턴의 후육부를 제거하는 공정을 갖는 미세 패턴의 형성방법.
- 제 4 항에 기재된 방법으로 상기 단상 레지스트 패턴을 형성한 후, (E) 상기 단상 레지스트 패턴을 마스크로 하여 상기 기체에 에칭 처리를 실시한 후, (F) 상기 단상 레지스트 패턴에 대하여 애싱 처리 (회화 처리) 를 실시하여, 상기 박육부를 제거하고, (G) 상기 박육부를 제거한 후, 후육부를 마스크로 하여 상기 기체에 에칭 처리를 실시하고, 이후에 (H) 상기 단상 레지스트 패턴의 후육부를 제거하는 공정을 갖는 미세 패턴의 형성방법.
- 제 3 항에 기재된 방법으로 상기 단상 레지스트 패턴을 형성한 후, (E') 상기 단상 레지스트 패턴을 마스크로 하여 상기 소스 드레인 전극 형성용 금속막, 상기 제 2 비정질 실리카막, 상기 에칭 스토퍼막 및, 상기 제 1 비정질 실리카막을 에칭 처리한 후, (F) 상기 단상 레지스트 패턴에 대하여 애싱 처리 (회화 처리) 를 실시하여, 상기 박육부를 제거하고, (G') 상기 박육부를 제거한 후, 후육부를 마스크로 하여 상기 소스 드레인 전극 형성용 금속막 및 상기 제 2 비정질 실리카막을 에칭 처리하여 상기 에칭 스토퍼막층을 노출시키고, 이후에 (H) 상기 단상 레지스트 패턴의 후육부를 제거하는 공정을 갖는 미세 패턴의 형성방법.
- 제 4 항에 기재된 방법으로 상기 단상 레지스트 패턴을 형성한 후, (E') 상기 단상 레지스트 패턴을 마스크로 하여 상기 소스 드레인 전극 형성용 금속막, 상기 제 2 비정질 실리카막, 상기 에칭 스토퍼막 및, 상기 제 1 비정질 실리카막을 에칭 처리한 후, (F) 상기 단상 레지스트 패턴에 대하여 애싱 처리 (회화 처리) 를 실시하여, 상기 박육부를 제거하고, (G') 상기 박육부를 제거한 후, 후육부를 마스크로 하여 상기 소스 드레인 전극 형성용 금속막 및 상기 제 2 비정질 실리카막을 에칭 처리하여 상기 에칭 스토퍼막층을 노출시키고, 이후에 (H) 상기 단상 레지스트 패턴의 후육부를 제거하는 공정을 갖는 미세 패턴의 형성방법.
- 제 9 항에 있어서,상기 소스 드레인 전극 형성용 금속막의 에칭 처리가 습식 에칭 처리 또는 건식 에칭 처리이고, 상기 제 2 비정질 실리카막의 에칭 처리가 건식 에칭 처리인 미세 패턴의 형성방법.
- 제 10 항에 있어서,상기 소스 드레인 전극 형성용 금속막의 에칭 처리가 습식 에칭 처리 또는 건식 에칭 처리이고, 상기 제 2 비정질 실리카막의 에칭 처리가 건식 에칭 처리인 미세 패턴의 형성방법.
- 유리 기판 상에 화소 패턴을 형성하여 액정 어레이 기판을 제작하는 공정을 갖는 액정 표시소자의 제조방법으로서,상기 화소 패턴의 일부를, 제 5 항 내지 제 8 항 중 어느 한 항에 기재된 미세 패턴의 형성방법에 의해 형성하는 액정 표시소자의 제조방법.
- 제 9 항 내지 제 12 항 중 어느 한 항에 기재된 방법으로 미세 패턴을 형성한 후, (I) 상기 미세 패턴 상에 제 2 절연막을 형성하는 공정, (J) 제 2 절연막을 포토리소그래피에 의해 패터닝하는 공정, (K) 패터닝된 제 2 절연막 상에 투명 도전막을 형성하는 공정, (L) 투명 도전막을 포토리소그래피에 의해 패터닝하는 공정을 갖는 액정 표시소자의 제조방법.
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