Patent US3568307A successfully refreshed from Google Patents.
US3568307A
Expired / Lapsed
US
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Method of picking up and bonding semiconductor wafers to a carrier
Assignee: Kulicke and Soffa Industries Inc
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Filing: 1969-04-10
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Granted: 1971-03-09
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Expires: 1989-04-10
Abstract
Abstract A MECHANIZED METHOD OF PICKING UP A PARTIALLY PREORIENTED SEMICONDUCTOR WAFER FROM A PLURALITY OF SEMICONDUCTOR WAFERS ON A TRAY, ORIENTING THE SEMICONDUCTOR WAFER DURING THE STEP OF PICKING IT UP AND SIMULTANEOUSLY PLACING AND BONDING THE SEMICONDUCTOR WAFER ON A CARRIER IN A DESIRED PREDETERMINED POSITION.
Inventors
- 👤 Earl A Zanger
- 👤 Peter R Szasz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:33
CPC Classifications
H; H10; H10P; H10P72/00; H10P72/04; H10P72/0446; Y; Y10; Y10S; Y10S414/00; Y10S414/135; Y10S414/141; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/4913; Y10T29/49133
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) | 1974-03-08 | 1974-09-07 | 1975-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-08 | 1978-09-07 | 1979-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-08 | 1982-09-07 | 1983-03-09 | $7700.00 | Window Closed / Lapsed |