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Patent US3149765A successfully refreshed from Google Patents.
US3149765A
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Apparatus for removing waffrs from semiconductor slices
Assignee: AT&T Inc
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Filing: 1963-05-28
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Granted: 1964-09-22
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Expires: 1983-05-28
Abstract
No abstract record available.
Inventors
- 👤 Donald E Horning
- 👤 Harry K Naumann
- 👤 Gary G Seaman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:04
CPC Classifications
H; H10; H10P; H10P72/00; H10P72/04; H10P72/0428; B; B28; B28D; B28D5/00; B28D5/0005; B28D5/0017; B28D5/0023; Y; Y10; Y10T; Y10T225/00; Y10T225/10; Y10T225/12; Y10T225/30; Y10T225/329; Y10T225/371; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/4979; Y10T29/49798; Y10T29/53; Y10T29/5313; Y10T29/53174; Y10T29/53178
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
AN APPARATUS FOR REMOVING WAFERS FROM SEMICONDUCTOR SLICES SCRIBED WITH A PLURALITY OF CONNECTED STRIPS EACH HAVING A PLURALITY OF CONNECTED WAFERS COMPRISING: A UNIT OPERABLE TO BREAK THE STRIPS SUCCESSIVELY FROM A SLICE, MEANS TO FEED THE SLICE AT PREDETERMINED INTERVALS TO THE UNIT, A UNIT OPERABLE TO BREAK THE WAFERS SUCCESSIVELY FROM THE SUCCESSIVE STRIPS, MEANS OPERABLE TO FEED EACH STRIP IN SUCCESSIVE STEPS TO THE WAFER BREAKING UNIT, A NEST FOR THE SUCCESSIVE SLICES DISPOSED ADJACENT THE STRIP BREAKING UNIT AND HAVING AN EDGE COOPERATING THEREWITH TO BREAK THE STRIPS SUCCESSIVELY FROM THE SLICE, AND A MOUTH IN THE STRIP BREAKING UNIT ADAPTED TO RECEIVE A LEADING STRIP OF THE SLICE AND HAVING SURFACES COOPERATING TO SUPPORT THE LEADING STRIP, LOCATE ITS LINE OF JUNCTURE WITH THE NEXT STRIP PARALLEL WITH SAID EDGE OF THE NEST AND CAUSE MOVEMENT OF THE LEADING STRIP RELATIVE TO THE SLICE TO BREAK IT FROM THE SLICE WHEN THE UNIT IS MOVED.
Claim 2
Independent Claim
161 words
AN APPARATUS FOR REMOVING WAFERS FROM SEMICONDUCTOR SLICES SCRIBED WITH A PLURALITY OF CONNECTED STRIPS EACH HAVING A PLURALITY OF CONNECTED WAFERS COMPRISING: A UNIT OPERABLE TO BREAK THE STRIPS SUCCESSIVELY FROM A SLICE, MEANS TO FEED THE SLICE AT PREDETERMINED INTERVALS TO THE UNIT, A UNIT OPERABLE TO BREAK THE WAFERS SUCCESSIVELY FROM THE SUCCESSIVE STRIPS, MEANS OPERABLE TO FEED EACH STRIP IN SUCCESSIVE STEPS TO THE WAFER BREAKING UNIT, A NEST FOR THE SUCCESSIVE SLICES DISPOSED ADJACENT THE STRIP BREAKING UNIT AND HAVING AN EDGE COOPERATING THEREWITH TO BREAK THE STRIPS SUCCESSIVELY FROM THE SLICE, AND A MOUTH IN THE STRIP BREAKING UNIT ADAPTED TO RECEIVE A LEADING STRIP OF THE SLICE AND HAVING SURFACES COOPERATING TO SUPPORT THE LEADING STRIP, LOCATE ITS LINE OF JUNCTURE WITH THE NEXT STRIP PARALLEL WITH SAID EDGE OF THE NEST AND CAUSE MOVEMENT OF THE LEADING STRIP RELATIVE TO THE SLICE TO BREAK IT FROM THE SLICE WHEN THE UNIT IS MOVED.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |