HK97484A - Improvements in and relating to optical filters - Google Patents
Improvements in and relating to optical filtersInfo
- Publication number
- HK97484A HK97484A HK97484A HK97484A HK97484A HK 97484 A HK97484 A HK 97484A HK 97484 A HK97484 A HK 97484A HK 97484 A HK97484 A HK 97484A HK 97484 A HK97484 A HK 97484A
- Authority
- HK
- Hong Kong
- Prior art keywords
- relating
- optical filters
- filters
- optical
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/28—Interference filters
- G02B5/285—Interference filters comprising deposited thin solid films
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Filters (AREA)
- Microscoopes, Condenser (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762632341 DE2632341A1 (de) | 1976-07-17 | 1976-07-17 | Optisches geraet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HK97484A true HK97484A (en) | 1984-12-21 |
Family
ID=5983337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HK97484A HK97484A (en) | 1976-07-17 | 1984-12-13 | Improvements in and relating to optical filters |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2632341A1 (en:Method) |
| FR (1) | FR2358667A1 (en:Method) |
| GB (1) | GB1589891A (en:Method) |
| HK (1) | HK97484A (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5179318A (en) * | 1989-07-05 | 1993-01-12 | Nippon Sheet Glass Co., Ltd. | Cathode-ray tube with interference filter |
| WO1994007159A1 (de) * | 1992-09-18 | 1994-03-31 | Leica Mikroskopie Und Systeme Gmbh | Farbstichkompensationsfilter für optische geräte mit beobachtungs- und fotostrahlengang |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3588245A (en) * | 1968-10-01 | 1971-06-28 | Bell Telephone Labor Inc | Adjustable compensation in optical systems |
| CH523509A (de) * | 1970-09-18 | 1972-05-31 | Balzers Patent Beteilig Ag | Interferenzfilter, bestehend aus einer Mehrzahl von abwechselnd hoch- und niedrigbrechenden lichtdurchlässigen Schichten auf einem lichtdurchlässigen Träger, welches innerhalb eines bestimmten Wellenlängenbereichs ein bestimmtes Wellenlängenband reflektiert, die Strahlung der übrigen Teile des genannten Bereiches jedoch hindurchlässt |
| US3737210A (en) * | 1972-03-31 | 1973-06-05 | Bausch & Lomb | Multilayer filter based on substitution of herpin equivalent layers in a antireflection coating formula |
| JPS5314227B2 (en:Method) * | 1973-06-18 | 1978-05-16 |
-
1976
- 1976-07-17 DE DE19762632341 patent/DE2632341A1/de active Pending
-
1977
- 1977-07-15 GB GB2991377A patent/GB1589891A/en not_active Expired
- 1977-07-18 FR FR7721856A patent/FR2358667A1/fr active Granted
-
1984
- 1984-12-13 HK HK97484A patent/HK97484A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2632341A1 (de) | 1978-01-26 |
| FR2358667A1 (fr) | 1978-02-10 |
| FR2358667B1 (en:Method) | 1982-02-05 |
| GB1589891A (en) | 1981-05-20 |
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