US3366462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing monocrystalline semiconductor material
Assignee: Siemens Schuckertwerke AG
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Filing: 1965-10-20
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Granted: 1968-01-30
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Expires: 1985-10-20
Abstract
No abstract record available.
Inventors
- 👤 Kersting Arno
- 👤 Wartenberg Klaus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:42
CPC Classifications
C; C30; C30B; C30B13/00; C30B13/34; Y; Y10; Y10S; Y10S117/00; Y10S117/901; Y10S117/902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
METHOD FOR PRODUCING MONOCRYSTALLINE SEMICONDUCTOR MATERIAL OF THE GROUP CONSISTING OF GERMANIUM AND SILICON WHICH COMPRISES VAPOR-DEPOSITING THE SEMICONDUCTOR MATERIAL AS A MONOCRYSTAL ON AN ELONGATED MONOCRYSTALLINE CARRIER MEMBER HAVING A LONGITUDINAL AXIS CORRESPONDING TO THE 155-AXIS OF THE MONOCRYSTAL; AND SUBSEQUENTLY SUBJECTING THE MONOCRYSTAL TO A CRUCIBLEFREE ZONE MELTING OPERATION FOR TRANSFORMING THE SEMICONDUCTOR MATERIAL TO A MONOCRYSTAL HAVING A LONGITUDINAL AXIS SELECTED FROM THE GROUP CONSISTING OF THE 110, AND 111 AXIS.
Claim 2
Dependent Claim
74 words
METHOD FOR PRODUCING MONOCRYSTALLINE SEMICONDUCTOR MATERIAL OF THE GROUP CONSISTING OF GERMANIUM AND SILICON WHICH COMPRISES VAPOR-DEPOSITING THE SEMICONDUCTOR MATERIAL AS A MONOCRYSTAL ON AN ELONGATED MONOCRYSTALLINE CARRIER MEMBER HAVING A LONGITUDINAL AXIS CORRESPONDING TO THE 155-AXIS OF THE MONOCRYSTAL; AND SUBSEQUENTLY SUBJECTING THE MONOCRYSTAL TO A CRUCIBLEFREE ZONE MELTING OPERATION FOR TRANSFORMING THE SEMICONDUCTOR MATERIAL TO A MONOCRYSTAL HAVING A LONGITUDINAL AXIS SELECTED FROM THE GROUP CONSISTING OF THE 110, AND 111 AXIS.
References Cited (Backward Citations)
US3160522A
Cited
US3160521A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-29 | 1971-07-31 | 1972-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-29 | 1975-07-31 | 1976-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-29 | 1979-07-31 | 1980-01-30 | $7700.00 | Window Closed / Lapsed |