JPS5422844A - Optical filter and production thereof - Google Patents
Optical filter and production thereofInfo
- Publication number
- JPS5422844A JPS5422844A JP8795377A JP8795377A JPS5422844A JP S5422844 A JPS5422844 A JP S5422844A JP 8795377 A JP8795377 A JP 8795377A JP 8795377 A JP8795377 A JP 8795377A JP S5422844 A JPS5422844 A JP S5422844A
- Authority
- JP
- Japan
- Prior art keywords
- production
- optical filter
- shielding portions
- shaped shielding
- gridshaped
- 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
- Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
- Control Of Non-Electrical Variables (AREA)
Abstract
PURPOSE: To make it possible to desirably realize the overall transmissivity distribution including that in the vicinity of the center by forming a filter substrate with a number of spot-shaped shielding portions, a stripe-shaped shielding portions gridshaped shielding portions.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8795377A JPS5422844A (en) | 1977-07-21 | 1977-07-21 | Optical filter and production thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8795377A JPS5422844A (en) | 1977-07-21 | 1977-07-21 | Optical filter and production thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5422844A true JPS5422844A (en) | 1979-02-21 |
JPS6212620B2 JPS6212620B2 (en) | 1987-03-19 |
Family
ID=13929234
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8795377A Granted JPS5422844A (en) | 1977-07-21 | 1977-07-21 | Optical filter and production thereof |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5422844A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4541510A (en) * | 1981-10-29 | 1985-09-17 | Honda Giken Kogyo Kabushiki Kaisha | Shift fork lubricating system for transmission |
US4838266A (en) * | 1986-09-08 | 1989-06-13 | Koziol Jeffrey E | Lens shaping device using a laser attenuator |
-
1977
- 1977-07-21 JP JP8795377A patent/JPS5422844A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4541510A (en) * | 1981-10-29 | 1985-09-17 | Honda Giken Kogyo Kabushiki Kaisha | Shift fork lubricating system for transmission |
US4838266A (en) * | 1986-09-08 | 1989-06-13 | Koziol Jeffrey E | Lens shaping device using a laser attenuator |
Also Published As
Publication number | Publication date |
---|---|
JPS6212620B2 (en) | 1987-03-19 |
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