US4097834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-linear resistors
Assignee: Motorola Solutions Inc
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Filing: 1976-04-12
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Granted: 1978-06-27
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Expires: 1996-04-12
Abstract
Abstract Non-linear resistors for use as protective devices in electronic circuits. Compositions and methods are disclosed which enable the fabrication of non-linear resistors compatible with other electronic devices in monolithic form. The non-linear resistors disclosed also offer improvements over prior art devices as discrete components.
Inventors
- 👤 Kenneth M. Mar
- 👤 Kim Ritchie
- 👤 James N. Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:23
CPC Classifications
H; H01; H01C; H01C7/00; H01C7/10; H01C7/105; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
50 words
A non-linear resistor comprising: a semiconductor substrate having a first surface and a second surface; a thin layer of non-linear resistive material comprising a mixture of 40% to 95% by weight of a conductor material and 5% to 60% by weight of a dielectric material disposed on said first surface.
Claim 2
Dependent Claim
50 words
A non-linear resistor comprising: a semiconductor substrate having a first surface and a second surface; a thin layer of non-linear resistive material comprising a mixture of 40% to 95% by weight of a conductor material and 5% to 60% by weight of a dielectric material disposed on said first surface.
Claim 3
Dependent Claim
13 words
The non-linear resistor of claim 1 where said thin layer is 1000A-6000A thick.
Claim 4
Dependent Claim
13 words
A non-linear resistor according to claim 1 wherein said semiconductor substrate is silicon.
Claim 5
Dependent Claim
13 words
A non-linear resistor according to claim 3 wherein said conductor material is silicon.
References Cited (Backward Citations)
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Cited
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Cited
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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) | 1981-06-26 | 1981-12-26 | 1982-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-06-26 | 1985-12-26 | 1986-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-06-26 | 1989-12-26 | 1990-06-27 | $7700.00 | Window Closed / Lapsed |