US3176204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device composed of different semiconductive materials
Assignee: Raytheon Co
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Filing: 1960-12-22
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Granted: 1965-03-30
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Expires: 1980-12-22
Abstract
No abstract record available.
Inventors
- 👤 Theodore C Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:24
CPC Classifications
H; H10; H10D; H10D62/00; H10D62/80; H10D62/83; H10D62/832; H10D62/8325; H10D99/00; H10P; H10P10/00; H10P10/12; Y; Y10; Y10S; Y10S148/00; Y10S148/148
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A SEMICONDUCTIVE DEVICE COMPRISING A BODY OF SILICON CARBIDE, A REGION OF ALUMINUM CARBIDE IN CONTACT WITH SAID BODY OF SILICON CARBIDE, THE INTERFACE BETWEEN SAID ALUMINUM CARBIDE AND SAID SILICON CARBIDE CONSTITUTING A RECTIFYING BARRIER, AND CONDUCTING LEADS ELECTRICALLY CONNECTED RESPECTIVELY TO SAID ALUMINUM CARBIDE REGION AND TO SAID SILICON CARBIDE REGION.
Claim 2
Dependent Claim
53 words
A SEMICONDUCTIVE DEVICE COMPRISING A BODY OF SILICON CARBIDE, A REGION OF ALUMINUM CARBIDE IN CONTACT WITH SAID BODY OF SILICON CARBIDE, THE INTERFACE BETWEEN SAID ALUMINUM CARBIDE AND SAID SILICON CARBIDE CONSTITUTING A RECTIFYING BARRIER, AND CONDUCTING LEADS ELECTRICALLY CONNECTED RESPECTIVELY TO SAID ALUMINUM CARBIDE REGION AND TO SAID SILICON CARBIDE REGION.
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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |