US3345210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of applying an ohmic contact to thin film passivated resistors
Assignee: Motorola Solutions Inc
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Filing: 1964-08-26
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Granted: 1967-10-03
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Expires: 1984-08-26
Abstract
No abstract record available.
Inventors
- 👤 Richard William Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:49
CPC Classifications
H; H10; H10P; H10P95/00; H01; H01C; H01C1/00; H01C1/14; H01C1/142; H01C17/00; H01C17/28; H01C17/288; H01C7/00; H10W; H10W74/00; H10W74/40; H10W74/43; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49099
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A METHOD OF PASSIVATING AND MAKING CONTACTS TO THIN FILM RESISTORS COMPRISING; METALLIZING A PREDETERMINED CONTACT PORTION OF A THIN FILM OF RESISTIVE CONDUCTING MATERIAL SUPPORTED BY A SUBSTRATE, COATING SAID RESISTOR FILM INCLUDING THE METALLIZED CONTACT PORTION THEREOF WITH A PROTECTIVE INSULATING MATERIAL, ETCHING ENTIRELY THROUGH A PORTION OF SAID COATING TO SAID METALLIZED CONTACT PORTION OF SAID RESISTOR,
Claim 2
Independent Claim
60 words
A METHOD OF PASSIVATING AND MAKING CONTACTS TO THIN FILM RESISTORS COMPRISING; METALLIZING A PREDETERMINED CONTACT PORTION OF A THIN FILM OF RESISTIVE CONDUCTING MATERIAL SUPPORTED BY A SUBSTRATE, COATING SAID RESISTOR FILM INCLUDING THE METALLIZED CONTACT PORTION THEREOF WITH A PROTECTIVE INSULATING MATERIAL, ETCHING ENTIRELY THROUGH A PORTION OF SAID COATING TO SAID METALLIZED CONTACT PORTION OF SAID RESISTOR,
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |