FR1094919A - Infrared filter - Google Patents
Infrared filterInfo
- Publication number
- FR1094919A FR1094919A FR1094919DA FR1094919A FR 1094919 A FR1094919 A FR 1094919A FR 1094919D A FR1094919D A FR 1094919DA FR 1094919 A FR1094919 A FR 1094919A
- Authority
- FR
- France
- Prior art keywords
- infrared filter
- infrared
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/208—Filters for use with infrared or ultraviolet radiation, e.g. for separating visible light from infrared and/or ultraviolet radiation
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/32—Non-oxide glass compositions, e.g. binary or ternary halides, sulfides or nitrides of germanium, selenium or tellurium
- C03C3/321—Chalcogenide glasses, e.g. containing S, Se, Te
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1094919T | 1953-11-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1094919A true FR1094919A (en) | 1955-05-25 |
Family
ID=9617263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1094919D Expired FR1094919A (en) | 1953-11-12 | 1953-11-12 | Infrared filter |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR1094919A (en) |
-
1953
- 1953-11-12 FR FR1094919D patent/FR1094919A/en not_active Expired
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