US3113222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semi-conductor to provide a step current function with plural emitters which inject minority carriers
Assignee: US Philips Corp
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Filing: 1961-07-31
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Granted: 1963-12-03
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Expires: 1981-07-31
Abstract
No abstract record available.
Inventors
- 👤 Czaczkowski Jerzy Roman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:23
CPC Classifications
H; H03; H03M; H03M1/00; H03K; H03K23/00; H03K23/002; H03K4/00; H03K4/02; H10; H10D; H10D88/00; H10D99/00; H03M1/06; H03M1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A SEMICONDUCTOR DEVICE COMPRISING A SEMICONDUCTOR BASE MEMBER HAVING OPPOSED MAJOR SURFACES, PLURAL SPACED MAIN ELECTRODES ON BOTH MAJOR SURFACES OF SAID BASE AND ARRANGED SUCH THAT EACH INTERMEDIATE MAIN ELECTRODE IS ARRANGED OPPOSITE THE SPACE BETWEEN ADJACENT ELECTRODES AT THE OPPOSITE SURFACE AND INCLUDING PORTIONS ARRANGED OPPOSITE PORTIONS OF SAID ADJACENT OPPOSED ELECTRODES, MEANS FOR INJECTING MINORITY CARRIERS INTO THE BASE MEMBER
Claim 2
Dependent Claim
63 words
A SEMICONDUCTOR DEVICE COMPRISING A SEMICONDUCTOR BASE MEMBER HAVING OPPOSED MAJOR SURFACES, PLURAL SPACED MAIN ELECTRODES ON BOTH MAJOR SURFACES OF SAID BASE AND ARRANGED SUCH THAT EACH INTERMEDIATE MAIN ELECTRODE IS ARRANGED OPPOSITE THE SPACE BETWEEN ADJACENT ELECTRODES AT THE OPPOSITE SURFACE AND INCLUDING PORTIONS ARRANGED OPPOSITE PORTIONS OF SAID ADJACENT OPPOSED ELECTRODES, MEANS FOR INJECTING MINORITY CARRIERS INTO THE BASE MEMBER
References Cited (Backward Citations)
US2801347A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |