KR100576442B1 - 반도체의 오버레이 마크 이미지 개선방법 - Google Patents
반도체의 오버레이 마크 이미지 개선방법 Download PDFInfo
- Publication number
- KR100576442B1 KR100576442B1 KR1020030101119A KR20030101119A KR100576442B1 KR 100576442 B1 KR100576442 B1 KR 100576442B1 KR 1020030101119 A KR1020030101119 A KR 1020030101119A KR 20030101119 A KR20030101119 A KR 20030101119A KR 100576442 B1 KR100576442 B1 KR 100576442B1
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- South Korea
- Prior art keywords
- overlay mark
- overlay
- oxide film
- film
- mark
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 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
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70483—Information management; Active and passive control; Testing; Wafer monitoring, e.g. pattern monitoring
- G03F7/70605—Workpiece metrology
- G03F7/70616—Monitoring the printed patterns
- G03F7/70633—Overlay, i.e. relative alignment between patterns printed by separate exposures in different layers, or in the same layer in multiple exposures or stitching
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- 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
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70483—Information management; Active and passive control; Testing; Wafer monitoring, e.g. pattern monitoring
- G03F7/70605—Workpiece metrology
- G03F7/70681—Metrology strategies
- G03F7/70683—Mark designs
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- 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
- G03F9/00—Registration or positioning of originals, masks, frames, photographic sheets or textured or patterned surfaces, e.g. automatically
- G03F9/70—Registration or positioning of originals, masks, frames, photographic sheets or textured or patterned surfaces, e.g. automatically for microlithography
- G03F9/7073—Alignment marks and their environment
- G03F9/7076—Mark details, e.g. phase grating mark, temporary mark
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W46/00—Marks applied to devices, e.g. for alignment or identification
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W46/00—Marks applied to devices, e.g. for alignment or identification
- H10W46/301—Marks applied to devices, e.g. for alignment or identification for alignment
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
Abstract
Description
Claims (3)
- 삭제
- 반도체의 오버레이 마크 방법에 있어서,상기 오버레이 마크에 해당되는 부분인 산화막에 반사율이 매우 높으며, 광원에 반사가 매우 높은 광학적인 파라미터 값을 갖는 고반사막(high reflectivity film)을 증착하는 단계와,상기 산화막내 금속층 상의 패턴 공정 진행 시, 식각(etch)되어 없어지지 않도록 블록 처리하는 오버레이 마크 디자인을 적용하는 단계와,상기 산화막내 금속 박막층 위에 절연층이 형성되고, 상기 절연층위의 패턴 공정 진행 시, 노광(Exposure)하여 광을 조사하는 단계와,상기 조사된 광은 상기 산화막내 하부에 적용된 상기 고반사막에 의해 모두 반사되면서 금속 배선 공정을 진행하는 단계를 포함하는 반도체의 오버레이 마크 이미지 개선방법.
- 반도체의 오버레이 마크 방법에 있어서,상기 오버레이 마크에 해당되는 부분인 산화막에 반사율이 매우 높으며, 일정한 두께 이상에서 거의 동일한 광학적인 특성을 갖으며, 반사율의 변화 요인을 거의 가지지 않는 두께의 고반사막(high reflectivity film)을 증착하는 단계와,상기 산화막내 금속층 상의 패턴 공정 진행 시, 식각(etch)되어 없어지지 않도록 블록 처리하는 오버레이 마크 디자인을 적용하는 단계와,상기 산화막내 금속 박막층 위에 절연층이 형성되고, 상기 절연층위의 패턴 공정 진행 시, 노광(Exposure)하여 광을 조사하는 단계와,상기 조사된 광은 상기 산화막내 하부에 적용된 상기 고반사막에 의해 모두 반사되면서 금속 배선 공정을 진행하는 단계를 포함하는 반도체의 오버레이 마크 이미지 개선방법.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020030101119A KR100576442B1 (ko) | 2003-12-31 | 2003-12-31 | 반도체의 오버레이 마크 이미지 개선방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020030101119A KR100576442B1 (ko) | 2003-12-31 | 2003-12-31 | 반도체의 오버레이 마크 이미지 개선방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20050069165A KR20050069165A (ko) | 2005-07-05 |
| KR100576442B1 true KR100576442B1 (ko) | 2006-05-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020030101119A Expired - Fee Related KR100576442B1 (ko) | 2003-12-31 | 2003-12-31 | 반도체의 오버레이 마크 이미지 개선방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100576442B1 (ko) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102563921B1 (ko) | 2016-02-02 | 2023-08-04 | 삼성전자 주식회사 | 반도체 소자 |
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2003
- 2003-12-31 KR KR1020030101119A patent/KR100576442B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR20050069165A (ko) | 2005-07-05 |
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