US3340016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Producing and regulating translatory movement in the manufacture of semiconductor bodies
Assignee: Consortium fuer Elektrochemische Industrie GmbH
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Filing: 1964-09-15
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Granted: 1967-09-05
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Expires: 1984-09-15
Abstract
No abstract record available.
Inventors
- 👤 Wirth Heinz
- 👤 Roder Manfred
- 👤 Dietz Wolfgang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:15
CPC Classifications
C; C30; C30B; C30B15/00; C30B15/20; C30B15/22; C30B15/28; C30B11/00; C30B11/006; C30B13/00; C30B13/28; C30B13/30; C30B13/32; C30B15/30; Y; Y10; Y10T; Y10T117/00; Y10T117/10; Y10T117/1024; Y10T117/1032; Y10T117/1072
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
THE COMBINATION WITH A CLOSED PRESSURIZED VESSEL FOR THE MANUFACTURE OF SEMI-CONDUCTOR CRYSTALLINE BODIES BY A SEED PULLING OPERATION, AND MEANS INCLUDING A VERTICALLY MOVABLE ELEMENT INSIDE SAID VESSEL FOR INSERTING A SEED CRYSTAL INTO A MELT AND PULLING SAID SEED CRYSTAL FROM SAID MELT IN A CRUCIBLE TO FORM A SEMI-CONDUCTOR BODY AND TO BUILD THE BODY IN A VERTICAL DIRECTION WITH RESPECT TO THE VERTICAL MOVEMENT OF SAID ELEMENT, OF A BODY OF LIQUID IN SAID VESSEL, A FLOAT SEATED ON SAID LIQUID AND SUPPORTING SAID ELEMENT, AND MEANS FOR VARYING THE VERTICAL LEVEL OF SAID LIQUID TO MOVE SAID FLOAT AND SAID ELEMENT IN A SIMILAR VERTICAL DIRECTION.
Claim 2
Dependent Claim
111 words
THE COMBINATION WITH A CLOSED PRESSURIZED VESSEL FOR THE MANUFACTURE OF SEMI-CONDUCTOR CRYSTALLINE BODIES BY A SEED PULLING OPERATION, AND MEANS INCLUDING A VERTICALLY MOVABLE ELEMENT INSIDE SAID VESSEL FOR INSERTING A SEED CRYSTAL INTO A MELT AND PULLING SAID SEED CRYSTAL FROM SAID MELT IN A CRUCIBLE TO FORM A SEMI-CONDUCTOR BODY AND TO BUILD THE BODY IN A VERTICAL DIRECTION WITH RESPECT TO THE VERTICAL MOVEMENT OF SAID ELEMENT, OF A BODY OF LIQUID IN SAID VESSEL, A FLOAT SEATED ON SAID LIQUID AND SUPPORTING SAID ELEMENT, AND MEANS FOR VARYING THE VERTICAL LEVEL OF SAID LIQUID TO MOVE SAID FLOAT AND SAID ELEMENT IN A SIMILAR VERTICAL DIRECTION.
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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |