US2950220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of p-n junctions by the decomposition of compounds
Assignee: Battelle Development Corp
•
Filing: 1956-03-13
•
Granted: 1960-08-23
•
Expires: 1976-03-13
Abstract
No abstract record available.
Inventors
- 👤 Genser Milton
- 👤 Worth P Allred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:27
CPC Classifications
C; C30; C30B; C30B1/00; C30B1/10; H; H10; H10P; H10P95/00; Y; Y10; Y10S; Y10S438/00; Y10S438/971
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A METHOD OF PREPARING A P-N JUNCTION IN N-TYPE ALUMINUM ANTIMONIDE, WHICH COMPRISES: DECOMPOSING THE SURFACE OF THE ANTIMONY ANTIMONIDE, AND VAPORIZING A PORTION OF THE ANTIMONY FROM THE DECOMPOSED ALUMINUM ANTIMONIDE CAUSING THE REMAINING ALUMINUM OF SAID COMPOUND TO INCREASE THE CONCENTRATION OF HOLES IN AT LEAST A PORTION OF SAID SURFACE.
Claim 2
Independent Claim
53 words
A METHOD OF PREPARING A P-N JUNCTION IN N-TYPE ALUMINUM ANTIMONIDE, WHICH COMPRISES: DECOMPOSING THE SURFACE OF THE ANTIMONY ANTIMONIDE, AND VAPORIZING A PORTION OF THE ANTIMONY FROM THE DECOMPOSED ALUMINUM ANTIMONIDE CAUSING THE REMAINING ALUMINUM OF SAID COMPOUND TO INCREASE THE CONCENTRATION OF HOLES IN AT LEAST A PORTION OF SAID SURFACE.
References Cited (Backward Citations)
US2730470A
Cited
US2798989A
Cited
US2725315A
Cited
US2784121A
Cited
US2719253A
Cited
US2815303A
Cited
US2847335A
Cited
US2845371A
Cited
US2849343A
Cited
US2759861A
Cited
US2868678A
Cited
US2816023A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |