JPS5348754A - Optical phase plate and its production - Google Patents
Optical phase plate and its productionInfo
- Publication number
- JPS5348754A JPS5348754A JP12417276A JP12417276A JPS5348754A JP S5348754 A JPS5348754 A JP S5348754A JP 12417276 A JP12417276 A JP 12417276A JP 12417276 A JP12417276 A JP 12417276A JP S5348754 A JPS5348754 A JP S5348754A
- Authority
- JP
- Japan
- Prior art keywords
- phase plate
- production
- optical phase
- holography
- noises
- 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)
Abstract
PURPOSE: In a phase plate in holography, etc., the noises of transmitted light are perfectly removed and relatively easy and accurate production is made possible by making use of the difference in the rate of etching between silicon oxide layers and polysilicon.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12417276A JPS5348754A (en) | 1976-10-15 | 1976-10-15 | Optical phase plate and its production |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12417276A JPS5348754A (en) | 1976-10-15 | 1976-10-15 | Optical phase plate and its production |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5348754A true JPS5348754A (en) | 1978-05-02 |
JPS5646121B2 JPS5646121B2 (en) | 1981-10-31 |
Family
ID=14878731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12417276A Granted JPS5348754A (en) | 1976-10-15 | 1976-10-15 | Optical phase plate and its production |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5348754A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4998645A (en) * | 1973-01-24 | 1974-09-18 | ||
JPS52134745A (en) * | 1976-05-07 | 1977-11-11 | Matsushita Electric Ind Co Ltd | Optical phase plate |
-
1976
- 1976-10-15 JP JP12417276A patent/JPS5348754A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4998645A (en) * | 1973-01-24 | 1974-09-18 | ||
JPS52134745A (en) * | 1976-05-07 | 1977-11-11 | Matsushita Electric Ind Co Ltd | Optical phase plate |
Also Published As
Publication number | Publication date |
---|---|
JPS5646121B2 (en) | 1981-10-31 |
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