US3341362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thin film diode manufacture
Assignee: Melpar Inc
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Filing: 1964-08-26
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Granted: 1967-09-12
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Expires: 1984-08-26
Abstract
No abstract record available.
Inventors
- 👤 Hacskaylo Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:36
CPC Classifications
H; H01; H01C; H01C7/00; H01C7/10; H10; H10D; H10D99/00; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
METHOD OF FABRICATING A THIN FILM DIOXIDE IN WHICH CURRENT CONDUCTION IS GOVERNED BY SCHOTTKY MECHANISM FOR A FIRST RANGE OF BIASING VOLTAGES AND BY AVALANCHE MECHANISM FOR A SECOND CONTIGUOUS RANGE OF BIASING VOLTAGES, A SUBSTANTIALLY SHARP TRANSITION POINT OCCURRING IN THE VOLTAGE VERSUS CURRENT CHARACTERISTIC OF SAID DIODE BETWEEN SAID RANGES, SAID METHOD COMPRISING VACUUM DEPOSITING A DISCRETE LAYER OF ALUMINUM OF SUBSTANTIALLY UNIFORM THICKNESS OF ABOUT 1,000 ANGSTROMS ON AN INSULATING SUBSTRATE MAINTAINED AT A TEMPERATURE OF APPROXIMATELY 120*C. AT A PRESSURE ON THE ORDER OF APPROXIMATELY 10**-6 TORR; FORMING A DISCRETE THIN INSULATING FILM OF SUBSTANTIALLY UNIFORM THICKNESS IN THE RANGE FROM APPROX-
Claim 2
Dependent Claim
107 words
METHOD OF FABRICATING A THIN FILM DIOXIDE IN WHICH CURRENT CONDUCTION IS GOVERNED BY SCHOTTKY MECHANISM FOR A FIRST RANGE OF BIASING VOLTAGES AND BY AVALANCHE MECHANISM FOR A SECOND CONTIGUOUS RANGE OF BIASING VOLTAGES, A SUBSTANTIALLY SHARP TRANSITION POINT OCCURRING IN THE VOLTAGE VERSUS CURRENT CHARACTERISTIC OF SAID DIODE BETWEEN SAID RANGES, SAID METHOD COMPRISING VACUUM DEPOSITING A DISCRETE LAYER OF ALUMINUM OF SUBSTANTIALLY UNIFORM THICKNESS OF ABOUT 1,000 ANGSTROMS ON AN INSULATING SUBSTRATE MAINTAINED AT A TEMPERATURE OF APPROXIMATELY 120*C. AT A PRESSURE ON THE ORDER OF APPROXIMATELY 10**-6 TORR; FORMING A DISCRETE THIN INSULATING FILM OF SUBSTANTIALLY UNIFORM THICKNESS IN THE RANGE FROM APPROX-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |