KR20010003467A - 반도체 소자의 오버레이 측정 패턴 형성방법 - Google Patents
반도체 소자의 오버레이 측정 패턴 형성방법 Download PDFInfo
- Publication number
- KR20010003467A KR20010003467A KR1019990023764A KR19990023764A KR20010003467A KR 20010003467 A KR20010003467 A KR 20010003467A KR 1019990023764 A KR1019990023764 A KR 1019990023764A KR 19990023764 A KR19990023764 A KR 19990023764A KR 20010003467 A KR20010003467 A KR 20010003467A
- Authority
- KR
- South Korea
- Prior art keywords
- film
- forming
- contact hole
- pattern
- overlay measurement
- 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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Classifications
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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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- 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
- G03F9/708—Mark formation
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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
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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
- H10W46/301—Marks applied to devices, e.g. for alignment or identification for alignment
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
Abstract
Description
Claims (3)
- 외부박스와 내부박스로 이루어진 오버레이 측정 패턴에서 상기 외부박스를 형성하기 위한 반도체 소자의 오버레이 측정 패턴 형성방법으로서,하부 패턴들이 구비된 반도체 기판 상에 BPSG막을 증착하는 단계;상기 BPSG막을 식각하여, 상기 반도체 기판의 소정 부분을 노출시키는 제1콘택홀을 형성하는 단계;상기 BPSG막 및 제1콘택홀의 내벽에 제1폴리실리콘막을 증착하는 단계;연마 공정으로, 상기 BPSG막 상에 증착된 제1폴리실리콘막을 제거하는 단계;상기 결과물의 상부에 산화막을 증착하고, 상기 산화막 상에 상기 제1콘택홀 내에 증착된 산화막 부분의 일부분들을 노출시키는 감광막 패턴을 형성하는 단계;상기 산화막을 식각해서, 상기 제1콘택홀 내에 잔류된 제1폴리실리콘막의 소정 부분들을 노출시키는 제2콘택홀들을 형성하는 단계;상기 감광막 패턴을 제거하고, 상기 결과물의 상부에 상기 제2콘택홀이 매립될 정도의 충분한 두께로 제2폴리실리콘막을 증착하는 단계; 및상기 제2폴리실리콘막을 패터닝하는 단계를 포함하여 이루어지는 것을 특징으로 하는 반도체 소자의 오버레이 측정패턴 형성방법.
- 제 1 항에 있어서, 상기 제1감광막 패턴은,50∼80㎛×50∼80㎛의 정사각형으로 이루어진 마스크 패턴이 구비된 플러그 콘택(Plug Contact) 형성용 레티클을 이용한 노광 공정을 수행하여 형성하는 것을 특징으로 하는 반도체 소자의 오버레이 측정패턴 형성방법.
- 제 1 항에 있어서, 상기 제2감광막 패턴은,전체적인 크기가 50∼80㎛×50∼80㎛ 이하이고, 내부 가장자리 부분에는 1∼2㎛×1∼2㎛의 홀들이 배열되어 있는 마스크 패턴이 구비된 비트라인 콘택 형성용 레티클을 이용한 노광 공정으로 형성하는 것을 특징으로 하는 반도체 소자의 오버레이 측정패턴 형성방법.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019990023764A KR100299516B1 (ko) | 1999-06-23 | 1999-06-23 | 반도체 소자의 오버레이 측정 패턴 형성방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019990023764A KR100299516B1 (ko) | 1999-06-23 | 1999-06-23 | 반도체 소자의 오버레이 측정 패턴 형성방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20010003467A true KR20010003467A (ko) | 2001-01-15 |
| KR100299516B1 KR100299516B1 (ko) | 2001-11-01 |
Family
ID=19594633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019990023764A Expired - Fee Related KR100299516B1 (ko) | 1999-06-23 | 1999-06-23 | 반도체 소자의 오버레이 측정 패턴 형성방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100299516B1 (ko) |
-
1999
- 1999-06-23 KR KR1019990023764A patent/KR100299516B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR100299516B1 (ko) | 2001-11-01 |
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