US4282537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silicon MOS inductor
Assignee: Intersil Corp
•
Filing: 1979-08-20
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Granted: 1981-08-04
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Expires: 1999-08-20
Abstract
Abstract A device made of amorphous silicon which exhibits inductive properties at certain voltage biases and in certain frequency ranges in described. Devices of the type described can be made in integrated circuit form.
Inventors
- 👤 Isaac Balberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:49
CPC Classifications
H; H10; H10D; H10D1/00; H10D1/40; H01; H01C; H01C7/00; H01C7/10; H01C7/1013; H10N; H10N99/00
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
56 words
An MOS inductor comprising: (a) an insulating substrate; (b) a conductive metal layer on a surface of said insulating substrate; (c) an amorphous silicon layer on the surface of said metal layer; (d) an insulating layer on the surface of said amorphous silicon layer; and (e) a metal contact on the surface of said insulating layer.
Claim 2
Dependent Claim
56 words
An MOS inductor comprising: (a) an insulating substrate; (b) a conductive metal layer on a surface of said insulating substrate; (c) an amorphous silicon layer on the surface of said metal layer; (d) an insulating layer on the surface of said amorphous silicon layer; and (e) a metal contact on the surface of said insulating layer.
Claim 3
Dependent Claim
14 words
The MOS inductor of claim 1 wherein said insulating substrate is comprised of glass.
Claim 4
Dependent Claim
25 words
The MOS inductor of claim 2 wherein said metal layer consists of a metal selected from the group consisting of molybdenum, chromium, and stainless steel.
Claim 5
Dependent Claim
15 words
The MOS inductor of claim 3 wherein said amorphous silicon layer is hydrogenated amorphous silicon.
Claim 6
Dependent Claim
15 words
The MOS inductor of claim 3 wherein said amorphous silicon layer is non-hydrogenated amorphous silicon.
Claim 7
Dependent Claim
15 words
The MOS inductor of claim 3 wherein said insulating layer is comprised of silicon dioxide.
Claim 8
Dependent Claim
26 words
The MOS inductor of claim 6 wherein said metal contact is made of a metal selected from the group consisting of molybdenum, chromium and stainless steel.
Claim 9
Dependent Claim
21 words
The MOS inductor of claim 7 wherein said metal contact has an area of less than about 4 mm 2 .
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) | 1984-08-03 | 1985-02-02 | 1985-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-08-03 | 1989-02-02 | 1989-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-08-03 | 1993-02-02 | 1993-08-04 | $7700.00 | Window Closed / Lapsed |