US3674552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing semiconductor components on a magnetic substrate
Assignee: Siemens AG
•
Filing: 1967-02-10
•
Granted: 1972-07-04
•
Expires: 1987-02-10
Abstract
Abstract RELATES TO A METHOD OF EPITACTIC PRECIPITATION OF MONOCRYSTALLINE SEMICONDUCTING MATERIAL, CRYSTALLIZING ACCORDING TO THE DIAMOND LATTICE OR THE ZINCBLENDE LATTICE, USING A MONOCRYSTALLINE SUBSTRATE, WHICH CRYSTALLIZES ACCORDING TO THE SPINEL TYPE. THE SUBSTRATE HAS MAGNETIC CHARACTERISTICS.
Inventors
- 👤 Walter Heywang
- 👤 Erhard Sirtl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:35
CPC Classifications
C; C30; C30B; C30B29/00; C30B29/10; C30B29/40; C30B29/42; C30B11/00; C30B11/04; C30B11/08; C30B11/10; C30B11/12; C30B13/00; C30B15/00; C30B19/00; C30B19/02; C30B19/04; C30B25/00; C30B25/02; C30B25/18; C30B25/20; C30B25/205; C30B29/16; C30B29/22; C30B29/26; C30B29/46; C30B29/48; G; G11; G11B; G11B5/00; G11B5/62; H; H01; H01F; H01F1/00; H01F1/01; H01F1/03; H01F1/0302; H01F1/0311; H01F1/0313; H01F10/00; H01F10/06; H01F10/08; H01F10/10; H01F10/18; H01F10/193; H01F10/26; H01F41/00; H01F41/14; H01F41/20; Y; Y10; Y10S; Y10S148/00; Y10S148/063; Y10S148/107; Y10S148/115; Y10S148/118; Y10S148/15; Y10S438/00; Y10S438/967
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1975-07-04 | 1976-01-03 | 1976-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-04 | 1980-01-03 | 1980-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-04 | 1984-01-03 | 1984-07-04 | $7700.00 | Window Closed / Lapsed |