US3770565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic mounting of epitaxially grown iv-vi compound semiconducting films
Assignee: United States Department of the Navy
•
Filing: 1972-01-05
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Granted: 1973-11-06
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Expires: 1992-01-05
Abstract
Abstract Epitaxial films of the formulas PbxSn1 x B and PbSySe1 y where B is S, Te or Se, O < OR = x < OR = 1 and O <y < 1 were mounted on plastics.
Inventors
- 👤 H Mathews
- 👤 R Culpepper
- 👤 R Schoolar
- 👤 D Lequin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:05
CPC Classifications
H; H10; H10P; H10P95/00; H10P95/80; H10D; H10D62/00; H10D62/80; H10D62/86; H10D62/864; H10P10/00; Y; Y10; Y10S; Y10S148/00; Y10S148/063; Y10S148/15; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
40 words
The article of claim 1 wherein said cured epoxy resin has a resistivity of at least 108 ohm-cm and an average thermal expansion coefficient of 20-30 X 10 6 in/in/*C over the temperature range of about 400*K to about 77*K.
Claim 2
Dependent Claim
7 words
The article of claim 1 wherein 0<x<1.
Claim 3
Dependent Claim
7 words
The article of claim 2 wherein 0<X<1.
Claim 4
Dependent Claim
9 words
The article of claim 1 wherein B is Te.
Claim 5
Dependent Claim
9 words
The article of claim 3 wherein B is Te.
Claim 6
Dependent Claim
9 words
The article of claim 1 wherein B is Se.
Claim 7
Dependent Claim
9 words
The article of claim 3 wherein B is Se.
Claim 8
Dependent Claim
16 words
The article of claim 1 wherein said epoxy resin comprises the diglycidyl ether of bisphenol A.
Claim 9
Dependent Claim
16 words
The article of claim 2 wherein said epoxy resin comprises the diglycidyl ether of bisphenol A.
Claim 10
Dependent Claim
16 words
The article of claim 3 wherein said epoxy resin comprises the diglycidyl ether of bisphenol A.
Claim 11
Dependent Claim
16 words
The article of claim 4 wherein said epoxy resin comprises the diglycidyl ether of bisphenol A.
References Cited (Backward Citations)
US3139361A
Cited
US3413713A
Cited
US3423516A
Cited
US3594241A
Cited
US3679941A
Cited
US3718511A
Cited
US3716424A
Cited
US3739462A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-11-05 | 1977-05-07 | 1977-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-05 | 1981-05-07 | 1981-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-05 | 1985-05-07 | 1985-11-06 | $7700.00 | Window Closed / Lapsed |