Patent US2723080A successfully refreshed from Google Patents.
US3436679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor junction laser with electronically displaceable and deflectable beam
Assignee: General Electric Co
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Filing: 1966-03-07
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Granted: 1969-04-01
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Expires: 1986-03-07
Abstract
No abstract record available.
Inventors
- 👤 Gunther E Fenner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:33
CPC Classifications
H; H01; H01S; H01S5/00; H01S5/30; H01S5/06; H01S5/062; H01S5/06233; H01S5/06243
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A SEMICONDUCTOR JUNCTION LASER FOR EMITTING COHERENT RADIATION FROM A SELECTIVELY CONTROLLABLE LOCATION ALONG ONE SURFACE OF A PAIR OF PARALLEL REFLECTING SURFACES OF SAID LASER, SAID LASER COMPRISING A MONOCRYSTALLINE BODY OF DIRECT TRANSITION SEMICONDUCTIVE MATERIAL HAVING A PAIR OF DEGENERATE OPPOSITE CONDUCTIVITY TYPE REGIONS CONTIGUOUS WITH AND DEFINING A THIN JUNCTION REGION IN SAID MONOCRYSTALLINE BODY, SAID JUNCTION REGION BEING DISPOSED ORTHOGONALLY BETWEEN SAID PAIR OF PARALLEL REFLECTING SURFACES OF SAID LASER, AND AT LEAST ONE OF SAID OPPOSITE CONDUCTIVITY TYPE REGIONS BEING DIVIDED INTO A PLURALITY OF ZONES SEPARATED BY AT LEAST ONE STRIP OF HIGH RESISTANCE DIRECTED GENERALLY OBLIQUELY TO SAID PAIR OF PARALLEL REFLECTING SURFACES.
Claim 2
Dependent Claim
110 words
A SEMICONDUCTOR JUNCTION LASER FOR EMITTING COHERENT RADIATION FROM A SELECTIVELY CONTROLLABLE LOCATION ALONG ONE SURFACE OF A PAIR OF PARALLEL REFLECTING SURFACES OF SAID LASER, SAID LASER COMPRISING A MONOCRYSTALLINE BODY OF DIRECT TRANSITION SEMICONDUCTIVE MATERIAL HAVING A PAIR OF DEGENERATE OPPOSITE CONDUCTIVITY TYPE REGIONS CONTIGUOUS WITH AND DEFINING A THIN JUNCTION REGION IN SAID MONOCRYSTALLINE BODY, SAID JUNCTION REGION BEING DISPOSED ORTHOGONALLY BETWEEN SAID PAIR OF PARALLEL REFLECTING SURFACES OF SAID LASER, AND AT LEAST ONE OF SAID OPPOSITE CONDUCTIVITY TYPE REGIONS BEING DIVIDED INTO A PLURALITY OF ZONES SEPARATED BY AT LEAST ONE STRIP OF HIGH RESISTANCE DIRECTED GENERALLY OBLIQUELY TO SAID PAIR OF PARALLEL REFLECTING SURFACES.
References Cited (Backward Citations)
US3295911A
Cited
US3340479A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-31 | 1972-09-30 | 1973-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-31 | 1976-09-30 | 1977-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-31 | 1980-09-30 | 1981-04-01 | $7700.00 | Window Closed / Lapsed |