Patent US3846165A successfully refreshed from Google Patents.
US3846165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of applying an anti-reflective coating on a semiconductor laser
Assignee: RCA Corp
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Filing: 1972-08-21
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Granted: 1974-11-05
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Expires: 1992-08-21
Abstract
Abstract 1.IN A METHOD OF APPLYING AN ANTI-REFLECTIVE COATING WHEREIN THE IMPROVEMENT COMPRISES THE STEPS OF COATING AN END SURFACE OF A SEMICONDUCTOR LASER WITH AN ANTI-REFLECTIVE MATERIAL IN A MANNER SO AS TO PROGRESSIVELY INCREASE THE THICKNESS OF THE LAYER OF THE MATERIAL, MEASURING THE RADIANT ENERGY OUTPUT OF THE LASER DURING THE COATING AS THE THICKNESS OF THE COATING UNCREASE, AND STOPPING THE COATING WHEN A DESIRED OUTPUT IS ACHIEVED.
Inventors
- 👤 M Ettenberg
- 👤 S Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:20
CPC Classifications
H; H10; H10H; H10H20/00; H10H20/80; H10H20/84; C; C23; C23C; C23C14/00; C23C14/22; C23C14/54; C23C14/542; C23C14/545; C23C14/547; G; G02; G02B; G02B1/00; G02B1/10; G02B1/11; G02B1/113; H01; H01S; H01S5/00; H01S5/02; H01S5/028
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
IN A METHOD OF APPLYING AN ANTI-REFLECTIVE COATING WHEREIN THE IMPROVEMENT COMPRISES THE STEPS OF COATING AN END SURFACE OF A SEMICONDUCTOR LASER WITH AN ANTI-REFLECTIVE MATERIAL IN A MANNER SO AS TO PROGRESSIVELY INCREASE THE THICKNESS OF THE LAYER OF THE MATERIAL,
Claim 2
Dependent Claim
43 words
IN A METHOD OF APPLYING AN ANTI-REFLECTIVE COATING WHEREIN THE IMPROVEMENT COMPRISES THE STEPS OF COATING AN END SURFACE OF A SEMICONDUCTOR LASER WITH AN ANTI-REFLECTIVE MATERIAL IN A MANNER SO AS TO PROGRESSIVELY INCREASE THE THICKNESS OF THE LAYER OF THE MATERIAL,
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-04 | 1978-05-06 | 1978-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-04 | 1982-05-06 | 1982-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-04 | 1986-05-06 | 1986-11-05 | $7700.00 | Window Closed / Lapsed |