US3609478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Buried-layer semiconductor device for detecting and measuring the energy and atomic number of impinging atomic particles
Assignee: Ion Physics Corp
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Filing: 1967-10-16
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Granted: 1971-09-28
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Expires: 1987-10-16
Abstract
Abstract The present invention relates to radiation detection devices and more particularly to a solid-state device capable of detecting and measuring the energy and atomic number of impinging particles. This device contains a region imbedded completely within its body which is opposite conductivity type than the body and which is separated from the body by two distinct PN junctions. The imbedded region is produced by ion implantation and differs from such regions produced by other means in that the percentage compensation of dopant impurities between the region and all points on the surface of the body may be small, that is, 1 percent or less.
Inventors
- 👤 William J King
- 👤 Frederick W Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:20
CPC Classifications
H; H10; H10F; H10F30/00; H10F30/20; H10F30/29; H10F30/292; H10F99/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-27 | 1975-03-29 | 1975-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-27 | 1979-03-29 | 1979-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-27 | 1983-03-29 | 1983-09-28 | $7700.00 | Window Closed / Lapsed |