US2823175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductive devices
Assignee: Lanteris Space LLC
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Filing: 1956-11-14
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Granted: 1958-02-11
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Expires: 1976-11-14
Abstract
No abstract record available.
Inventors
- 👤 Roschen John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:10
CPC Classifications
H; H10; H10P; H10P14/00; H10P14/40; H10P14/46; H10P14/47
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
IN A METHOD FOR FABRICATING A SEMICONDUCTIVE STRUCTURE INCLUDING A SEMICONDUCTIVE BODY HAVING A BODY-CONTACTING METALLIC ELECTRODE, THE STEPS COMPRISING: PLATING SAID SEMICONDUCTIVE BODY AND SAID ELECTRODE WITH A LAYER OF METAL WHICH ADHERES FIRMLY TO SAID BODY BUT IIS LOOSELYER ADHERENT TO SAID ELECTRODE AND POROUS IN THE REGIONN THEREOF, AND ETCHING THE POROUS LOOSELY ADHERENT PART OF SAID PLATED LAYER, TOGETHER WITH A PORTIONS OF THE UNDRLYING ELECTRODE, TO REMOVE THE STATED POROUS PART OF SAID PLATED LAYER AND A SURFACE LAYER OF THE ELECTRODE, EXPOSING AN UNPLATED ZONE OF SAID SEMICONDUCTIVE BODY BETWEEN SAID ELECTRODE AND REMAINING PORTIONS OF SAID PLATED LAYER.
Claim 2
Dependent Claim
105 words
IN A METHOD FOR FABRICATING A SEMICONDUCTIVE STRUCTURE INCLUDING A SEMICONDUCTIVE BODY HAVING A BODY-CONTACTING METALLIC ELECTRODE, THE STEPS COMPRISING: PLATING SAID SEMICONDUCTIVE BODY AND SAID ELECTRODE WITH A LAYER OF METAL WHICH ADHERES FIRMLY TO SAID BODY BUT IIS LOOSELYER ADHERENT TO SAID ELECTRODE AND POROUS IN THE REGIONN THEREOF, AND ETCHING THE POROUS LOOSELY ADHERENT PART OF SAID PLATED LAYER, TOGETHER WITH A PORTIONS OF THE UNDRLYING ELECTRODE, TO REMOVE THE STATED POROUS PART OF SAID PLATED LAYER AND A SURFACE LAYER OF THE ELECTRODE, EXPOSING AN UNPLATED ZONE OF SAID SEMICONDUCTIVE BODY BETWEEN SAID ELECTRODE AND REMAINING PORTIONS OF SAID PLATED LAYER.
References Cited (Backward Citations)
US2644852A
Cited
US2757323A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-10 | 1961-08-12 | 1962-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-10 | 1965-08-12 | 1966-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-10 | 1969-08-12 | 1970-02-11 | $7700.00 | Window Closed / Lapsed |