US4081819A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mercury cadmium telluride device
Assignee: Honeywell Inc
•
Filing: 1977-01-17
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Granted: 1978-03-28
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Expires: 1997-01-17
Abstract
Abstract A mercury cadmium telluride semiconductor device includes an epitaxial layer of mercury cadmium telluride on a first substrate. A silicone rubber adhesive layer bonds the first substrate to a second substrate.
Inventors
- 👤 Theodore T. S. Wong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:08
CPC Classifications
H; H10; H10F; H10F77/00; H10F77/10; H10F77/12; H10F77/123; H10F77/1237; H10F39/00; H10F39/10; H10F39/12; H10F39/191; H10F39/193
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
33 words
An infrared photodetector comprising: a first substrate; an epitaxial layer of (Hg,Cd)Te on the first substrate; a second substrate; and a silicone rubber adhesvie layer bonding the first substrate to the second substrate.
Claim 2
Dependent Claim
33 words
An infrared photodetector comprising: a first substrate; an epitaxial layer of (Hg,Cd)Te on the first substrate; a second substrate; and a silicone rubber adhesvie layer bonding the first substrate to the second substrate.
Claim 3
Dependent Claim
12 words
The infrared photodetector of claim 1 wherein the first substrate is CdTe.
Claim 4
Dependent Claim
47 words
In a (Hg,Cd)Te semiconductor device including (Hg,Cd)Te epitaxial layer on a first substrate and a bonding layer for bonding the first substrate to a second substrate, the improvement comprising a bonding layer having a thermal conducitivity ≧ about 5.0 × 10 -4 cal gm/cm 2 -sec(° C/cm).
Claim 5
Dependent Claim
47 words
In a (Hg,Cd)Te semiconductor device including (Hg,Cd)Te epitaxial layer on a first substrate and a bonding layer for bonding the first substrate to a second substrate, the improvement comprising a bonding layer having a thermal conducitivity ≧ about 5.0 × 10 -4 cal gm/cm 2 -sec(° C/cm).
Claim 6
Dependent Claim
14 words
The invention of claim 3 wherein the bonding layer comprises a silicone rubber adhesive.
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) | 1981-03-27 | 1981-09-26 | 1982-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-03-27 | 1985-09-26 | 1986-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-03-27 | 1989-09-26 | 1990-03-28 | $7700.00 | Window Closed / Lapsed |