US3280382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor diode comprising caustic-resistant surface coating
Assignee: Telefunken Patentverwertungs GmbH
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Filing: 1961-09-25
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Granted: 1966-10-18
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Expires: 1981-09-25
Abstract
No abstract record available.
Inventors
- 👤 Bendig Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:05
CPC Classifications
H; H10; H10P; H10P14/00; H10P14/40; H10P14/46; H10P95/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
AN ALLOYED SEMICONDUCTOR DEVICE COMPRISING, IN COMBINATION: (A) A SEMICONDUCTOR BODY; (B) A MASS OF ALLOYING MATERIAL CONSTITUTED BY AN ALLOYING WIRE AND HAVING A METALLIC PORTION AND AN ALLOYED PORTION WHICH IS ALLOYED INTO A SURFACE OF SAID SEMICONDUCTOR BODY; (C) A FIRST CONTACT ELEMENT CONDUCTIVELY CONNECTED TO SAID METALLIC PORTION; (D) A SOLDER MASS CONDUCTIVELY CONNECTING SAID CONTACT ELEMENT TO SAID METALLIC PORTION; AND (E) A CONTINUOUS CAUSTIC-RESISTANT SURFACE COATING OF GOOD ELECTRICAL CONDUCTIVITY COVERING SAID METALLIC PORTION, SAID SOLDER MASS AND A PORTION OF SAID ELEMENT.
Claim 2
Dependent Claim
89 words
AN ALLOYED SEMICONDUCTOR DEVICE COMPRISING, IN COMBINATION: (A) A SEMICONDUCTOR BODY; (B) A MASS OF ALLOYING MATERIAL CONSTITUTED BY AN ALLOYING WIRE AND HAVING A METALLIC PORTION AND AN ALLOYED PORTION WHICH IS ALLOYED INTO A SURFACE OF SAID SEMICONDUCTOR BODY; (C) A FIRST CONTACT ELEMENT CONDUCTIVELY CONNECTED TO SAID METALLIC PORTION; (D) A SOLDER MASS CONDUCTIVELY CONNECTING SAID CONTACT ELEMENT TO SAID METALLIC PORTION; AND (E) A CONTINUOUS CAUSTIC-RESISTANT SURFACE COATING OF GOOD ELECTRICAL CONDUCTIVITY COVERING SAID METALLIC PORTION, SAID SOLDER MASS AND A PORTION OF SAID ELEMENT.
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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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |