JPS574011A - Color separating stripe filter and its production - Google Patents
Color separating stripe filter and its productionInfo
- Publication number
- JPS574011A JPS574011A JP7699880A JP7699880A JPS574011A JP S574011 A JPS574011 A JP S574011A JP 7699880 A JP7699880 A JP 7699880A JP 7699880 A JP7699880 A JP 7699880A JP S574011 A JPS574011 A JP S574011A
- Authority
- JP
- Japan
- Prior art keywords
- permeating
- layer
- thin film
- light
- filter
- 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
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/201—Filters in the form of arrays
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Filters (AREA)
- Solid State Image Pick-Up Elements (AREA)
- Color Television Image Signal Generators (AREA)
Abstract
PURPOSE:To equalize the curvature of the surface of a light permeating thin film layer and that of a light permeating substrate to each other to prevent generation of interference colors, by providing double light permeating thin film layers different in grinding speed on a stripe filter part of the light permeating substrate and by forming the outside layer with a high-grinding speed material and by grinding it. CONSTITUTION:In respect to a color separating stripe filter of a color image pickup device or the like, an inside light-permeating thin film layer 14 of a low grinding speed is vapor-deposited with Al2O3, etc. by the electron beam method or the like after cyanine permeating stripe filters 12 and yellow permeating stripe filters 13 are formed on a surface 11a of a glass substrate 11. Next, a barium crown- system optical glass of a high grinding speed is vapor-deposited more thickly than a projecting surface 34a of the layer 14 to form an outside light permeating thin film layer 15. Next, CeO2 fine powder is used to buff the layer 15 till the projecting surface 14a of the layer 14 is exposed through all regions of the filter, thus obtaining a surface 15a where the projecting surface 14a and the substrate surface 11a have the same curvature. Thus, the filter where interference colors are not generated is obtained with a good yield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55076998A JPS6034083B2 (en) | 1980-06-06 | 1980-06-06 | Color separation stripe filter and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55076998A JPS6034083B2 (en) | 1980-06-06 | 1980-06-06 | Color separation stripe filter and its manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS574011A true JPS574011A (en) | 1982-01-09 |
| JPS6034083B2 JPS6034083B2 (en) | 1985-08-07 |
Family
ID=13621440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55076998A Expired JPS6034083B2 (en) | 1980-06-06 | 1980-06-06 | Color separation stripe filter and its manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6034083B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02275903A (en) * | 1989-01-10 | 1990-11-09 | Toshiba Corp | Color filter and production thereof and liquid crystal display device using this filter |
-
1980
- 1980-06-06 JP JP55076998A patent/JPS6034083B2/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02275903A (en) * | 1989-01-10 | 1990-11-09 | Toshiba Corp | Color filter and production thereof and liquid crystal display device using this filter |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6034083B2 (en) | 1985-08-07 |
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