US4147562A
Expired / Lapsed
US
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Pyroelectric detector
Assignee: Honeywell Inc
•
Filing: 1977-07-05
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Granted: 1979-04-03
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Expires: 1997-07-05
Abstract
Abstract A pyroelectric detector as formed by parylene C polymer film.
Inventors
- 👤 Alice M. Chiang
- 👤 Neal R. Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:15
CPC Classifications
H; H10; H10N; H10N15/00; H10N15/10; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49226
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
22 words
A pyroelectric device comprising: an electrically poled body of parylene C polymer; and means for deriving a pyroelectric response from the body.
Claim 2
Dependent Claim
22 words
A pyroelectric device comprising: an electrically poled body of parylene C polymer; and means for deriving a pyroelectric response from the body.
Claim 3
Dependent Claim
12 words
The pyroelectric device of claim 1 wherein the body is a film.
Claim 4
Dependent Claim
17 words
The pyroelectric device of claim 2 wherein the film has a thickness of ≦ about 20 microns.
Claim 5
Dependent Claim
18 words
The pyroelectric device of claim 3 wherein the film has a thickness of less than about 1 micron.
Claim 6
Dependent Claim
21 words
The pyroelectric device of claim 1 wherein the means for deriving a pyroelectric response comprise electrode means attached to the body.
Claim 7
Dependent Claim
19 words
The pyroelectric device of claim 5 wherein the electrode means comprise electrodes attached to opposite surfaces of the body.
Claim 8
Dependent Claim
20 words
The pyroelectric device of claim 1 and further comprising: biasing means for applying a bias electric field to the body.
Claim 9
Independent Claim
25 words
A method of detecting thermal radiation comprising: subjecting an electrically poled parylene C film to thermal radiation; and sensing a pyroelectric response from the film.
Claim 10
Independent Claim
25 words
A method of detecting thermal radiation comprising: subjecting an electrically poled parylene C film to thermal radiation; and sensing a pyroelectric response from the film.
Claim 11
Dependent Claim
33 words
A pyroelectric device comprising: a body of a pyroelectric medium consisting essentially of a normally solid polymer of parylene C; and means for sensing a pyroelectric response by the body to incident radiation.
Claim 12
Dependent Claim
33 words
A pyroelectric device comprising: a body of a pyroelectric medium consisting essentially of a normally solid polymer of parylene C; and means for sensing a pyroelectric response by the body to incident radiation.
References Cited (Backward Citations)
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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) | 1982-04-02 | 1982-10-02 | 1983-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-04-02 | 1986-10-02 | 1987-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-04-02 | 1990-10-02 | 1991-04-03 | $7700.00 | Window Closed / Lapsed |