US3239908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a semiconductor device
Assignee: NEC Corp
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Filing: 1962-07-03
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Granted: 1966-03-15
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Expires: 1982-07-03
Abstract
No abstract record available.
Inventors
- 👤 Nakamura Tetsuro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:49
CPC Classifications
H; H10; H10D; H10D84/00; H10D84/60; H10D84/611; H10D84/613; H10P; H10P10/00; H10P10/12; H10P10/128; H10W; H10W10/00; H10W10/01; H10W10/011; H10W10/10; H10W99/00; Y; Y10; Y10S; Y10S148/00; Y10S148/012; Y10S148/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
THE METHOD OF MAKING A UNITARY SEMICONDUCTOR STRUCTURE COMPRISING THE STEPS OF HOLDING AND N-TYPE SEMICONDUCTIVE ELEMENT IN ADJACENT RELATIONSHIP WITH A P-TYPE CEMICONDUCTIVE ELEMENT, SUBJECTING SAID ELEMENTS TO AN ATMOSPHERE OF OXYGEN WHICH HAS BEEN SATURATED WITH STEAM AT APPROXIMATELY 80*C., AND HEATING SAID ELEMENTS TO A TEMPERATURE OF AT LEAST APPROXIMATELY 650*C. FOR APPROXIMATELY ONE HOUR WHILE IN SAID ATMOSPHERE, TO THEREBY CAUSE A BONDING LAYER TO GROW BETWEEN ADJACENT ELEMENTS, SAID LAYER BEING FORMED OF AN OXIDE OF AT LEAST ONE OF SAID SEMICONDUCTIVE ELEMENTS.
Claim 2
Independent Claim
88 words
THE METHOD OF MAKING A UNITARY SEMICONDUCTOR STRUCTURE COMPRISING THE STEPS OF HOLDING AND N-TYPE SEMICONDUCTIVE ELEMENT IN ADJACENT RELATIONSHIP WITH A P-TYPE CEMICONDUCTIVE ELEMENT, SUBJECTING SAID ELEMENTS TO AN ATMOSPHERE OF OXYGEN WHICH HAS BEEN SATURATED WITH STEAM AT APPROXIMATELY 80*C., AND HEATING SAID ELEMENTS TO A TEMPERATURE OF AT LEAST APPROXIMATELY 650*C. FOR APPROXIMATELY ONE HOUR WHILE IN SAID ATMOSPHERE, TO THEREBY CAUSE A BONDING LAYER TO GROW BETWEEN ADJACENT ELEMENTS, SAID LAYER BEING FORMED OF AN OXIDE OF AT LEAST ONE OF SAID SEMICONDUCTIVE ELEMENTS.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |