US4096387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultraviolet radiation detector
Assignee: RCA Corp
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Filing: 1976-12-09
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Granted: 1978-06-20
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Expires: 1996-12-09
Abstract
Abstract A semiconductor body is used by the present invention in the detection of ultraviolet radiation. An antireflection layer is on a portion of a surface of said body with electrical contacting means on the remaining portion of the body. A phosphor layer is on the antireflection layer. The phosphor layer is capable of converting the ultraviolet radiation into visible or near infrared radiation which can be detected by the semiconductor body. On the phosphor layer is a metallic film which is substantially transmissive to ultraviolet radiation and substantially reflective to visible or near infrared radiation. The converted radiation in the phosphor layer which strikes the metallic flow may therefore be directed toward the semiconductor body for detection.
Inventors
- 👤 Robert Harling Buckley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:51
CPC Classifications
H; H10; H10F; H10F77/00; H10F77/40; H10F77/496; H10F77/30; H10F77/306
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
120 words
An ultraviolet radiation detector comprising: a silicon body of semiconductor material suitable for detecting radiation at a wavelength in the range of 4,000 to 12,000A; an anitreflection layer on a surface of said silicon body; a phosphor layer on a surface of said antireflection layer, said phosphor layer being capable of converting radiation at a wavelength in the range of 1,000 to 3,999A into radiation having a wavelength in the range of 4,000 l to 12,000A; and a metallic film on a surface of said phosphor layer, said metallic film being substantially transmissive to radiation having a wavelength in the range of 1,000 to 3,999A and substantially reflective to radiation having a wavelength in the range of 4,000 to 12,000A.
Claim 2
Dependent Claim
120 words
An ultraviolet radiation detector comprising: a silicon body of semiconductor material suitable for detecting radiation at a wavelength in the range of 4,000 to 12,000A; an anitreflection layer on a surface of said silicon body; a phosphor layer on a surface of said antireflection layer, said phosphor layer being capable of converting radiation at a wavelength in the range of 1,000 to 3,999A into radiation having a wavelength in the range of 4,000 l to 12,000A; and a metallic film on a surface of said phosphor layer, said metallic film being substantially transmissive to radiation having a wavelength in the range of 1,000 to 3,999A and substantially reflective to radiation having a wavelength in the range of 4,000 to 12,000A.
Claim 3
Dependent Claim
50 words
The ultraviolet radiation detector in accordance with claim 1 wherein said body comprises a first layer of one conductivity type, a second layer of an opposite conductivity type spaced from said first layer and a third layer of intrinsic conductivity type between and contiguous to both first and second layers.
Claim 4
Dependent Claim
20 words
The ultraviolet radiation detector in accordance with claim 2 having means for electrically contacting said first layer of said body.
Claim 5
Dependent Claim
20 words
The ultraviolet radiation detector in accordance with claim 3 wherein said means are a metallic electrode on said first layer.
Claim 6
Dependent Claim
20 words
The ultraviolet radiation detector in accordance with claim 4 having means for electrically contacting said second layer of said body.
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) | 1981-06-19 | 1981-12-19 | 1982-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-06-19 | 1985-12-19 | 1986-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-06-19 | 1989-12-19 | 1990-06-20 | $7700.00 | Window Closed / Lapsed |