JPS52117628A - Photo mask - Google Patents
Photo maskInfo
- Publication number
- JPS52117628A JPS52117628A JP3475776A JP3475776A JPS52117628A JP S52117628 A JPS52117628 A JP S52117628A JP 3475776 A JP3475776 A JP 3475776A JP 3475776 A JP3475776 A JP 3475776A JP S52117628 A JPS52117628 A JP S52117628A
- Authority
- JP
- Japan
- Prior art keywords
- photo mask
- photo
- mask
- 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.)
- Pending
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3475776A JPS52117628A (en) | 1976-03-29 | 1976-03-29 | Photo mask |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3475776A JPS52117628A (en) | 1976-03-29 | 1976-03-29 | Photo mask |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52117628A true JPS52117628A (en) | 1977-10-03 |
Family
ID=12423177
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3475776A Pending JPS52117628A (en) | 1976-03-29 | 1976-03-29 | Photo mask |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52117628A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02207253A (en) * | 1989-02-07 | 1990-08-16 | Rohm Co Ltd | Photomask for pattern formation and exposing method |
JP2007292089A (en) * | 2006-04-20 | 2007-11-08 | Pacific Ind Co Ltd | Valve core |
-
1976
- 1976-03-29 JP JP3475776A patent/JPS52117628A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02207253A (en) * | 1989-02-07 | 1990-08-16 | Rohm Co Ltd | Photomask for pattern formation and exposing method |
JP2007292089A (en) * | 2006-04-20 | 2007-11-08 | Pacific Ind Co Ltd | Valve core |
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