US3348299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of applying electrical contacts
Assignee: Emerson Process Management Ltd
•
Filing: 1965-09-14
•
Granted: 1967-10-24
•
Expires: 1985-09-14
Abstract
No abstract record available.
Inventors
- 👤 Robert C Knutson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:18
CPC Classifications
H; H10; H10P; H10P14/00; H10P14/40; H10P14/46; G; G01; G01L; G01L23/00; G01L23/08; G01L23/18; G01L9/00; G01L9/0001; G01L9/0002; G01L9/0041; G01L9/0051; G01L9/0052; H10P95/00; Y; Y10; Y10S; Y10S438/00; Y10S438/964; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49099; Y10T29/49117; Y10T29/49124; Y10T29/49147
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
THE METHOD OF MAKING ELECTRICAL CONTACTS ON THE SURFACE OF A MEMBER MADE OF A SEMI-CONDUCTOR MATERIAL, COMPRISING THE STEPS OF: PROVIDING A ROUGHENED PORTION AND A SMOOTH PORTION ON THE SURFACE OF SAID SEMI-CONDUCTOR MATERIAL MEMBER, DEPOSITING A SUITABLE MATERIAL ON SAID ROUGHENED PORTION AND ON A STRIP SHAPED PART OF SAID SMOOTH PORTION CONTIGUOUS TO AND ADJACENT SAID ROUGHENED PORTION, THE SAID DEPOSITED MATERIAL COMPRISING AN INTEGRAL LAYER HAVING A STRONG BOND WITH THE ROUGHENED PORTION AND A WEAK BOND WITH THE SMOOTH PORTION, AND
Claim 2
Independent Claim
87 words
THE METHOD OF MAKING ELECTRICAL CONTACTS ON THE SURFACE OF A MEMBER MADE OF A SEMI-CONDUCTOR MATERIAL, COMPRISING THE STEPS OF: PROVIDING A ROUGHENED PORTION AND A SMOOTH PORTION ON THE SURFACE OF SAID SEMI-CONDUCTOR MATERIAL MEMBER, DEPOSITING A SUITABLE MATERIAL ON SAID ROUGHENED PORTION AND ON A STRIP SHAPED PART OF SAID SMOOTH PORTION CONTIGUOUS TO AND ADJACENT SAID ROUGHENED PORTION, THE SAID DEPOSITED MATERIAL COMPRISING AN INTEGRAL LAYER HAVING A STRONG BOND WITH THE ROUGHENED PORTION AND A WEAK BOND WITH THE SMOOTH PORTION, AND
References Cited (Backward Citations)
US2900580A
Cited
US2793420A
Cited
US2962394A
Cited
US3046176A
Cited
US2981877A
Cited
US3022570A
Cited
US3231421A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |