US3340108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laser materials
Assignee: Semi-Elements Inc
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Filing: 1963-07-09
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Granted: 1967-09-05
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Expires: 1983-07-09
Abstract
No abstract record available.
Inventors
- 👤 Ronald C Vickery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:02
CPC Classifications
H; H01; H01S; H01S5/00; H01S5/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A MATERIAL CAPABLE OF AMPLIFYING WAVE ENERGY BY CARRIER INJECTION AT A P-N JUNCTION COMPRISING SINGLE CRYSTAL MATERIAL FORMED BY COMBINING AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF THE RARE EARTH ELEMENTS WITH AT LEAST ONE ELEMENT SELECTED FROM THE GROUP CONSISTING OF BORON, CARBON, NITROGEN, SILICON, PHOSPHORUS, SULPHUR, ARSENIC, ANTIMONY, SELENIUM AND TELLURIUM, THE CRYSTAL BEING INTRINSICALLY N-TYPE AND HAVING A PORTION THEREOF DOPED WITH A P-TYPE IMPURITY TO FORM A P-N JUNCTION.
Claim 2
Dependent Claim
75 words
A MATERIAL CAPABLE OF AMPLIFYING WAVE ENERGY BY CARRIER INJECTION AT A P-N JUNCTION COMPRISING SINGLE CRYSTAL MATERIAL FORMED BY COMBINING AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF THE RARE EARTH ELEMENTS WITH AT LEAST ONE ELEMENT SELECTED FROM THE GROUP CONSISTING OF BORON, CARBON, NITROGEN, SILICON, PHOSPHORUS, SULPHUR, ARSENIC, ANTIMONY, SELENIUM AND TELLURIUM, THE CRYSTAL BEING INTRINSICALLY N-TYPE AND HAVING A PORTION THEREOF DOPED WITH A P-TYPE IMPURITY TO FORM A P-N JUNCTION.
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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |