US3723832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Zener diode and method of producing such a zener diode
Assignee: Telefunken Electronic GmbH
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Filing: 1971-05-27
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Granted: 1973-03-27
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Expires: 1991-05-27
Abstract
Abstract A Zener diode having a semiconductor body with recombination centers therein in the region of the P-N junction. The invention also includes a method of producing such a diode.
Inventors
- 👤 A Bachmeier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:20
CPC Classifications
H; H10; H10D; H10D99/00; H10D62/00; H10D62/60; H10P; H10P32/00; H10P95/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
93 words
In a Zener diode having a breakthrough voltage between 5 and 30 volts and including a semiconductor body of a first conductivity type, a region of a second conductivity type introduced into said semiconductor body, and a P-N junction formed between said region and the remaining portion of said semiconductor body, the improvement comprising recombination center means in said semiconductor body in the region of said P-N junction for producing a relatively smooth I-V characteristic curve in the region of the breakthrough voltage wherein the degeneration of said curve into noise is reduced.
Claim 2
Dependent Claim
93 words
In a Zener diode having a breakthrough voltage between 5 and 30 volts and including a semiconductor body of a first conductivity type, a region of a second conductivity type introduced into said semiconductor body, and a P-N junction formed between said region and the remaining portion of said semiconductor body, the improvement comprising recombination center means in said semiconductor body in the region of said P-N junction for producing a relatively smooth I-V characteristic curve in the region of the breakthrough voltage wherein the degeneration of said curve into noise is reduced.
Claim 3
Dependent Claim
15 words
A Zener diode as defined in claim 1 wherein said recombination center means is gold.
Claim 4
Dependent Claim
15 words
A Zener diode as defined in claim 1 wherein said recombination center means is copper.
References Cited (Backward Citations)
US3497776A
Cited
US3612959A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-26 | 1976-09-25 | 1977-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-26 | 1980-09-25 | 1981-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-26 | 1984-09-25 | 1985-03-27 | $7700.00 | Window Closed / Lapsed |