Patent US3690984A successfully refreshed from Google Patents.
US3690984A
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US
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Releasable mounting method of placing an oriented array of semiconductor devices on the mounting
Assignee: AT&T Inc
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Filing: 1970-07-30
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Granted: 1972-09-12
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Expires: 1990-07-30
Abstract
Abstract AN ORIENTED ARRAY OF SMALL, FRAGIL ELECTRICAL DEVICES SUCH AS BEAM LEAD TRANSISTORS OR INTEGRATED CIRCUITS, PARTIALLY EMBEDDED IN WAX, ARE REMOVED FROM THE WAX AND TRANSFERRED TO A RELEASABLE MOUNTING WITHOUT DISRUPTING THE ORIENTATION OF THE DEVICES. THE RELEASABLE MOUNT- ING COMPRISES A PLATE WITH A LAYER OF SILICONE RUBBER OR RESIN WHICH EXERTS A SUCTION OR VACUUM HOLDING FORCE ON THE ARRAY OF OREINTED DEVICES.
Inventors
- 👤 William R Wanesky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:48
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/02; B23Q3/06; B23Q3/08; B23Q3/086; B65; B65H; B65H41/00; H; H10; H10P; H10P95/00; H10W; H10W74/00; H10W74/40; H10P72/00; H10P72/70; H10P72/74; H10P72/741
Claims Analysis
Total Claims: 0
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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) | 1975-09-12 | 1976-03-13 | 1976-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-12 | 1980-03-13 | 1980-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-12 | 1984-03-13 | 1984-09-12 | $7700.00 | Window Closed / Lapsed |