Patent US3200311A successfully refreshed from Google Patents.
US3200311A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low capacitance semiconductor devices
Assignee: Pacific Semiconductors Inc
•
Filing: 1961-04-03
•
Granted: 1965-08-10
•
Expires: 1981-04-03
Abstract
No abstract record available.
Inventors
- 👤 John H Thomas
- 👤 Wayne F Schnepple
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:47
CPC Classifications
H; H10; H10W; H10W72/00; H10W72/20; H10D; H10D99/00; H10P; H10P50/00; H10P50/60; H10P50/64; H10P50/642; H10P95/00; H10W74/00; H10W74/40; H10W74/47
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A LOW JUNCTION CAPACITANCE SEMICONDUCTOR DEVICE COMPRISING: A SEMICONDUCTOR CRYSTAL BODY HAVING FIRST AND SECOND CONTACT SURFACES AT OPPOSITE SIDES THEREOF, SAID BODY DEFINING A FIRST DIFFUSED REGION OF ONE CONDUCTIVELY TYPE EXTENDING A PREDETERMINED DISTANCE INWARDLY FROM SAID FIRST CONTACT SURFACE AND A SECOND DIFFUSED REGION OF THE OTHER CONDUCTIVITY TYPE EXTENDING INWARDLY FROM SAID SECOND CONTACT SURFACE TO SAID FIRST REGION, THE BOUNDARY BETWEEN SAID FIRST AND SAID SECOND REGIONS DEFINING A GRADED DIFFUSED PN JUNCTION, SAID FIRST AND SAID SECOND REGINS BEING TAPERED INWARDLY FROM SAID CONTACT SURFACES SO THAT THE
Claim 2
Dependent Claim
94 words
A LOW JUNCTION CAPACITANCE SEMICONDUCTOR DEVICE COMPRISING: A SEMICONDUCTOR CRYSTAL BODY HAVING FIRST AND SECOND CONTACT SURFACES AT OPPOSITE SIDES THEREOF, SAID BODY DEFINING A FIRST DIFFUSED REGION OF ONE CONDUCTIVELY TYPE EXTENDING A PREDETERMINED DISTANCE INWARDLY FROM SAID FIRST CONTACT SURFACE AND A SECOND DIFFUSED REGION OF THE OTHER CONDUCTIVITY TYPE EXTENDING INWARDLY FROM SAID SECOND CONTACT SURFACE TO SAID FIRST REGION, THE BOUNDARY BETWEEN SAID FIRST AND SAID SECOND REGIONS DEFINING A GRADED DIFFUSED PN JUNCTION, SAID FIRST AND SAID SECOND REGINS BEING TAPERED INWARDLY FROM SAID CONTACT SURFACES SO THAT THE
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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |