CA1159579A - Methode d'alignement automatique de masque - Google Patents
Methode d'alignement automatique de masqueInfo
- Publication number
- CA1159579A CA1159579A CA000416531A CA416531A CA1159579A CA 1159579 A CA1159579 A CA 1159579A CA 000416531 A CA000416531 A CA 000416531A CA 416531 A CA416531 A CA 416531A CA 1159579 A CA1159579 A CA 1159579A
- Authority
- CA
- Canada
- Prior art keywords
- target
- mask
- wafer
- alignment
- lines
- 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.)
- Expired
Links
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
- 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
- G03F9/7088—Alignment mark detection, e.g. TTR, TTL, off-axis detection, array detector, video detection
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA000416531A CA1159579A (fr) | 1979-03-12 | 1982-11-26 | Methode d'alignement automatique de masque |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/019,964 US4353087A (en) | 1979-03-12 | 1979-03-12 | Automatic mask alignment |
US019,964 | 1979-03-12 | ||
CA000345271A CA1150418A (fr) | 1979-03-12 | 1980-02-08 | Alignement automatique de masques |
CA000416531A CA1159579A (fr) | 1979-03-12 | 1982-11-26 | Methode d'alignement automatique de masque |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1159579A true CA1159579A (fr) | 1983-12-27 |
Family
ID=27166578
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000416531A Expired CA1159579A (fr) | 1979-03-12 | 1982-11-26 | Methode d'alignement automatique de masque |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA1159579A (fr) |
-
1982
- 1982-11-26 CA CA000416531A patent/CA1159579A/fr not_active Expired
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry | ||
MKEX | Expiry |
Effective date: 20001227 |