US3081404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
P-i-n semi-conductor device having negative differential resistance properties
Assignee: US Philips Corp
•
Filing: 1959-02-12
•
Granted: 1963-03-12
•
Expires: 1979-02-12
Abstract
No abstract record available.
Inventors
- 👤 Memelink Oscar Willem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:53
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/72; H03K3/00; H03K3/02; H03K4/00; H03K4/06; H03K4/08; H03K4/83; H03K4/84; H10; H10D; H10D12/00; H10D12/211; H10D12/212; H10D99/00; H10P; H10P95/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A SEMI-CONDUCTOR ARRANGEMENT COMPRISING A WAFER OF HIGH-RESISTANCE SEMI-CONDUCTIVE MATERIAL, TWO SPACED ELECTRODES OF OPPOSITE-TYPE CONDUCTIVITIES ON THE SAME SURFACE OF THE WAFER AND DEFINING WITH THE INTERVENING BODY PORTIONS A DIODE CURRENT PATH, MEANS ESTABLISHING A POTENTIAL DIFFERENCE BETWEEN THE SAID TWO SPACED ELECTRODES, A RECTIFYING CONNECTION TO THE OPPOSITE SURFACE OF THE WAFER AT A LOCATION OPPOSED AND CLOSE TO THAT ONE ELECTRODE OF THE TWO WHOSE CONDUCTIVITY-TYPE IS THE OPPOSITEEQUIVALENT OF ITS OWN, AND MEANS ESTABLISHING REVERSE BIASING OF THE RECTIFYING CONNECTION WHEREBY A DEPLETION REGION FORMED IN SAID BODY AND ORIGINATING AT SAID RECTIFYING CONNECTION INTERRUPTS THE SAID DIODE CURRENT PATH BEFORE PUNCHING-THROUGH TO THE OTHER ELECTRODE OF THE TWO.
Claim 2
Dependent Claim
114 words
A SEMI-CONDUCTOR ARRANGEMENT COMPRISING A WAFER OF HIGH-RESISTANCE SEMI-CONDUCTIVE MATERIAL, TWO SPACED ELECTRODES OF OPPOSITE-TYPE CONDUCTIVITIES ON THE SAME SURFACE OF THE WAFER AND DEFINING WITH THE INTERVENING BODY PORTIONS A DIODE CURRENT PATH, MEANS ESTABLISHING A POTENTIAL DIFFERENCE BETWEEN THE SAID TWO SPACED ELECTRODES, A RECTIFYING CONNECTION TO THE OPPOSITE SURFACE OF THE WAFER AT A LOCATION OPPOSED AND CLOSE TO THAT ONE ELECTRODE OF THE TWO WHOSE CONDUCTIVITY-TYPE IS THE OPPOSITEEQUIVALENT OF ITS OWN, AND MEANS ESTABLISHING REVERSE BIASING OF THE RECTIFYING CONNECTION WHEREBY A DEPLETION REGION FORMED IN SAID BODY AND ORIGINATING AT SAID RECTIFYING CONNECTION INTERRUPTS THE SAID DIODE CURRENT PATH BEFORE PUNCHING-THROUGH TO THE OTHER ELECTRODE OF THE TWO.
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) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |