JPS53143242A - Production of optical diffusing plate - Google Patents
Production of optical diffusing plateInfo
- Publication number
- JPS53143242A JPS53143242A JP5828477A JP5828477A JPS53143242A JP S53143242 A JPS53143242 A JP S53143242A JP 5828477 A JP5828477 A JP 5828477A JP 5828477 A JP5828477 A JP 5828477A JP S53143242 A JPS53143242 A JP S53143242A
- Authority
- JP
- Japan
- Prior art keywords
- diffusing plate
- production
- optical diffusing
- optical
- thin films
- 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.)
- Granted
Links
Landscapes
- Optical Elements Other Than Lenses (AREA)
- Holo Graphy (AREA)
- Surface Treatment Of Glass (AREA)
Abstract
PURPOSE: To produce an optical diffusing plate having serrations of good accuracy with good reproducibility by alternately forming transparent main thin films and specific auxiliary films on an optical transparent substrate and etching only the main thin films by using a photoetching method.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5828477A JPS53143242A (en) | 1977-05-19 | 1977-05-19 | Production of optical diffusing plate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5828477A JPS53143242A (en) | 1977-05-19 | 1977-05-19 | Production of optical diffusing plate |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53143242A true JPS53143242A (en) | 1978-12-13 |
JPS5731121B2 JPS5731121B2 (en) | 1982-07-02 |
Family
ID=13079882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5828477A Granted JPS53143242A (en) | 1977-05-19 | 1977-05-19 | Production of optical diffusing plate |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53143242A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63109402A (en) * | 1986-10-27 | 1988-05-14 | Sharp Corp | Preparation of optical phase operating plate |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58139010U (en) * | 1982-03-15 | 1983-09-19 | 株式会社クボタ | Walking rice transplanter |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51109846A (en) * | 1975-03-20 | 1976-09-29 | Matsushita Electric Ind Co Ltd | KOGAKUYOKAKUSANBANNO SEIZOHOHO |
-
1977
- 1977-05-19 JP JP5828477A patent/JPS53143242A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51109846A (en) * | 1975-03-20 | 1976-09-29 | Matsushita Electric Ind Co Ltd | KOGAKUYOKAKUSANBANNO SEIZOHOHO |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63109402A (en) * | 1986-10-27 | 1988-05-14 | Sharp Corp | Preparation of optical phase operating plate |
Also Published As
Publication number | Publication date |
---|---|
JPS5731121B2 (en) | 1982-07-02 |
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