US3408271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic plating of metal bump contacts to semiconductor devices upon nonconductive substrates
Assignee: Raytheon Co
•
Filing: 1965-12-06
•
Granted: 1968-10-29
•
Expires: 1985-12-06
Abstract
No abstract record available.
Inventors
- 👤 Karl H Reissmueller
- 👤 Ralph E Alexander
- 👤 Manfred W Reissmueller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:27
CPC Classifications
H; H10; H10P; H10P95/00; H10P14/00; H10P14/40; H10P14/46; H10P14/47; H10W; H10W20/00; H10W20/40; H10W72/00; H10W72/01; H10W72/012; H10W70/00; H10W70/01; H10W70/05; H10W72/019; H10W72/20; H10W72/241; H10W72/244; H10W72/90; H10W72/921; H10W72/922; H10W72/941; H10W72/944; H10W72/9445
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
THE METHOD OF PROVIDING AN ELECTRONIC COMPONENT WITH AN ELECTROPLATED ELECTRICAL CONNECTION TO SAID COMPONENT COMPRISING THE STEPS OF: (A) DEPOSITING AN ELECTRICALLY CONDUCTIVE COATING ENTIRELY OVER A SURFACE OF SAID ELECTRONIC COMPONENT INCLUDING ANY ELECTRICALLY INSULATED PORTIONS OF SAID SURFACE; (B) REMOVING PORTIONS OF SAID COATING TO FORM SAID COATING INTO AN ELECTRICALLY CONTINUOUS PREDETERMINED PATTERN ON SAID SURFACE OF SAID COMPONENT INCLUDING ANY ELECTRICALLY INSULATED PORTIONS OF SAID SURFACE; (C) FORMING A MASK OF ELECTRICALLY NONCONDUCTIVE MATERIAL ON SAID SURFACE OF SAID COMPONENT AND OVER SAID ELECTRICALLY CONTINUOUS PATTERN; (D) OPENING A WINDOW IN SAID MASK TO EXPOSE AT LEAST ONE PRESELECTED PORTION OF SAID ELECTRICALLY CONTINUOUS PATTERN;
Claim 2
Independent Claim
110 words
THE METHOD OF PROVIDING AN ELECTRONIC COMPONENT WITH AN ELECTROPLATED ELECTRICAL CONNECTION TO SAID COMPONENT COMPRISING THE STEPS OF: (A) DEPOSITING AN ELECTRICALLY CONDUCTIVE COATING ENTIRELY OVER A SURFACE OF SAID ELECTRONIC COMPONENT INCLUDING ANY ELECTRICALLY INSULATED PORTIONS OF SAID SURFACE; (B) REMOVING PORTIONS OF SAID COATING TO FORM SAID COATING INTO AN ELECTRICALLY CONTINUOUS PREDETERMINED PATTERN ON SAID SURFACE OF SAID COMPONENT INCLUDING ANY ELECTRICALLY INSULATED PORTIONS OF SAID SURFACE; (C) FORMING A MASK OF ELECTRICALLY NONCONDUCTIVE MATERIAL ON SAID SURFACE OF SAID COMPONENT AND OVER SAID ELECTRICALLY CONTINUOUS PATTERN; (D) OPENING A WINDOW IN SAID MASK TO EXPOSE AT LEAST ONE PRESELECTED PORTION OF SAID ELECTRICALLY CONTINUOUS PATTERN;
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |