Patent US3523352A successfully refreshed from Google Patents.
US3523352A
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Apparatus for mounting semiconductor chips with ball contacts up on a substrate and forming electrical strap connections to the substrate from the ball contacts
Assignee: International Business Machines Corp
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Filing: 1968-04-15
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Granted: 1970-08-11
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Expires: 1988-04-15
Abstract
No abstract record available.
Inventors
- 👤 Carl P Hayunga
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:04
CPC Classifications
H; H10; H10P; H10P72/00; H10P72/04; H10P72/0446; B; B23; B23Q; B23Q3/00; B23Q3/02; B23Q3/06; B23Q3/16; B23Q39/00; B23Q39/04; B23Q39/042; H05; H05K; H05K13/00; H05K13/04; H10W; H10W72/00; H10W72/071; H10W72/0711; H10W72/073; H10W72/075; H10W72/07511; H10W72/50; H10W72/531; H10W72/533; H10W72/534; H10W72/541; H10W72/5434; H10W72/851; H10W72/874; H10W72/884; H10W90/00; H10W90/701; H10W90/731; H10W90/734; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/5313; Y10T29/53174; Y10T29/53178; Y10T29/53261
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3307763A
Cited
US3239719A
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US3226810A
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US3367476A
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US3337941A
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US3344900A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |