US3228812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming semiconductors
Assignee: Dickson Electronics Corp
•
Filing: 1962-12-04
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Granted: 1966-01-11
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Expires: 1982-12-04
Abstract
No abstract record available.
Inventors
- 👤 Dickson Betty Ann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:05
CPC Classifications
C; C23; C23C; C23C16/00; C23C16/44; C23C16/50; C23C16/503; C23C16/22; C23C16/30; C23C16/40; C23C16/401; C23C16/402; H; H10; H10W; H10W74/00; H10W74/40; H10W74/43
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
THE METHOD OF PRODUCING A GLASS LIKE FILM ON A PREPARED SURFACE OF A SEMI-CONDUCTOR, WHICH CONPRISES INTRODUCING A DILUTE VAPOR OF A METAL HALIDE TO SUCH SURFACE AND INTRODUCING OZONE TO SUCH SURFACE TO CAUSE A REACTION BETWEEN SAID METAL HALIDE VAPOR AND SAID OZONE, TO FORM A SOLID OXIDE FILM OF SUCH METAL ON SAID SURFACE AND PRODUCE FREE HALOGEN MOLECULES AND FREE OXYGEN MOLECULES AND SUPPLYING FREE ENERGY TO THE REACTION ZONE TO ACCELERATE THE SAID REACTION.
Claim 2
Independent Claim
80 words
THE METHOD OF PRODUCING A GLASS LIKE FILM ON A PREPARED SURFACE OF A SEMI-CONDUCTOR, WHICH CONPRISES INTRODUCING A DILUTE VAPOR OF A METAL HALIDE TO SUCH SURFACE AND INTRODUCING OZONE TO SUCH SURFACE TO CAUSE A REACTION BETWEEN SAID METAL HALIDE VAPOR AND SAID OZONE, TO FORM A SOLID OXIDE FILM OF SUCH METAL ON SAID SURFACE AND PRODUCE FREE HALOGEN MOLECULES AND FREE OXYGEN MOLECULES AND SUPPLYING FREE ENERGY TO THE REACTION ZONE TO ACCELERATE THE SAID REACTION.
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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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |