US3367024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing a selenium rectifier having a high blocking voltage
Assignee: Siemens Schuckertwerke AG
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Filing: 1965-08-02
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Granted: 1968-02-06
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Expires: 1985-08-02
Abstract
No abstract record available.
Inventors
- 👤 Eggert Heinz
- 👤 Schatz Reinhard
- 👤 Schillmann Ekkehard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:05
CPC Classifications
H; H10; H10D; H10D48/00; H10D48/01; H10D48/04; H10D48/043; H10D48/046; H10D48/047; H10D48/048; H10P; H10P14/00; H10P14/20; H10P14/203; H10P14/22; H10P14/29; H10P14/2901; H10P14/2923; H10P14/32; H10P14/3202; H10P14/3236; H10P14/3241; H10P14/3242; H10P14/3244; H10P14/3248; H10P14/34; H10P14/3402; H10P14/38; H10P14/3802
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A METHOD FOR PRODUCING A SELENIUM RECTIFIER HAVING A HIGH BLOCKING CAPACITY, COMPRISING THE STEPS OF PROVIDING A CARRIER PLATE WITH A SELENIUM LAYER; ADDING TO SAID SELENIUM LAYER A HALIDE IN A MAXIMUM AMOUNT OF ABOUT 30 M. PERCENT ATOMIC RATIO TO SELENIUM; PROVIDING AN INSULATION LAYER AROUND THE EDGE OF SAID SELENIUM LAYER; COVERING SAID SELENIUM LAYER AND INSULATION LAYER WITH A COVER ELECTRODE; ADDING THALLIUM TO SAID COVER ELECTRODE; AND ELECTRICALLY FORMING SAID RECTIFIER WITH DIRECT CURRENT.
Claim 2
Independent Claim
80 words
A METHOD FOR PRODUCING A SELENIUM RECTIFIER HAVING A HIGH BLOCKING CAPACITY, COMPRISING THE STEPS OF PROVIDING A CARRIER PLATE WITH A SELENIUM LAYER; ADDING TO SAID SELENIUM LAYER A HALIDE IN A MAXIMUM AMOUNT OF ABOUT 30 M. PERCENT ATOMIC RATIO TO SELENIUM; PROVIDING AN INSULATION LAYER AROUND THE EDGE OF SAID SELENIUM LAYER; COVERING SAID SELENIUM LAYER AND INSULATION LAYER WITH A COVER ELECTRODE; ADDING THALLIUM TO SAID COVER ELECTRODE; AND ELECTRICALLY FORMING SAID RECTIFIER WITH DIRECT CURRENT.
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) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |