KR0138066B1 - 위상반전마스크 제작 방법 - Google Patents
위상반전마스크 제작 방법Info
- Publication number
- KR0138066B1 KR0138066B1 KR1019940006963A KR19940006963A KR0138066B1 KR 0138066 B1 KR0138066 B1 KR 0138066B1 KR 1019940006963 A KR1019940006963 A KR 1019940006963A KR 19940006963 A KR19940006963 A KR 19940006963A KR 0138066 B1 KR0138066 B1 KR 0138066B1
- Authority
- KR
- South Korea
- Prior art keywords
- film
- pattern
- photoresist
- phase inversion
- mask
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 230000010363 phase shift Effects 0.000 title claims abstract description 7
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 36
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 23
- 239000011651 chromium Substances 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 22
- 239000000758 substrate Substances 0.000 claims abstract description 21
- 238000000151 deposition Methods 0.000 claims abstract description 4
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 claims description 2
- 238000005530 etching Methods 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 239000010453 quartz Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000010354 integration Effects 0.000 description 2
- 238000001459 lithography Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000007687 exposure technique Methods 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
Classifications
-
- 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
- G03F1/00—Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof
- G03F1/26—Phase shift masks [PSM]; PSM blanks; Preparation thereof
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Preparing Plates And Mask In Photomechanical Process (AREA)
Abstract
Description
Claims (3)
- 위상반전마스크 제작 방법에 있어서 ; 투명기판(31) 전면에 위상반전물질막 패턴(32')을 형성하는 단계; 상기 투명기판(31) 전면의 전체구조 상부에 제1감광막을 도포한 후 다시 에치백(Etch Back)하여 상기 위상반전물질막 패턴(32')보다는 낮은 단차에 잔류 제1감광막(34)을 형성하는 단계; 상기 잔류 제1감광막(34)을 경화시키는 단계; 상기 투명기판(31) 전면의 전체구조 상부에 제2감광막(35)을 도포한 후 상기 투명기판(31) 후면에서 노광 및 현상하여 상기 위상반전물질막 패턴(32')의 에지에 제2감광막 패턴(35')을 형성하는 단계; 투명기판(31) 전면의 전체구조 상부에 크롬막(36)을 증착하는 단계; 및 잔류하고 있는 제1 및 제2감광막(34, 35')들을 제거하면서 동시에 제1 및 제2감광막(34, 35')상에 형성되어 있던 크롬막을 제거하여 위상반전물질막(32') 패턴상의 중앙부에 크롬막(36)을 남기는 단계를 포함하여 이루어지는 것을 특징으로 하는 위상반전마스크 제작 방법.
- 제1항에 있어서, 상기 투명기판(31) 전면에 위상반전물질막 패턴(32')을 형성하는 단계는, 상기 투명기판(31)상에 위상반전물질막(32), 제3감광막(33)을 차례로 형성하는 단계; 크롬막(12) 패턴이 형성되어 있는 마스크(100)을 사용하여 상기 투명기판(31) 전면에서 노광 및 현상하여 제3감광막 패턴을 형성하는 단계: 상기 제3감광막 패턴을 식각 장벽으로 하여 위상반전물질막(32)을 식각하는 단계를 포함하여 이루어지는 것을 특징으로 하는 위상반전마스크 제작 방법.
- 제1항에 있어서; 상기 위상반전물질막(22)은 SOG(spin on glass)막 또는 SiO2막중 어느 하나인 것을 특징으로 하는 위상반전마스크 제작 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940006963A KR0138066B1 (ko) | 1994-04-01 | 1994-04-01 | 위상반전마스크 제작 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940006963A KR0138066B1 (ko) | 1994-04-01 | 1994-04-01 | 위상반전마스크 제작 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR950029846A KR950029846A (ko) | 1995-11-24 |
KR0138066B1 true KR0138066B1 (ko) | 1998-04-28 |
Family
ID=19380356
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019940006963A KR0138066B1 (ko) | 1994-04-01 | 1994-04-01 | 위상반전마스크 제작 방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0138066B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003173014A (ja) * | 2001-12-07 | 2003-06-20 | Mitsubishi Electric Corp | 位相シフトマスクの製造方法、位相シフトマスク、および、装置 |
-
1994
- 1994-04-01 KR KR1019940006963A patent/KR0138066B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR950029846A (ko) | 1995-11-24 |
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