US3401294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage tube
Assignee: Westinghouse Electric Corp
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Filing: 1965-02-08
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Granted: 1968-09-10
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Expires: 1985-02-08
Abstract
No abstract record available.
Inventors
- 👤 James R Cricchi
- 👤 Walter G Reininger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:36
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/58; H01J31/60; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39; Y; Y10; Y10S; Y10S148/00; Y10S148/035
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A STORAGE TARGET COMPRISING A BODY OF SEMICONDUCTOR MATERIAL HAVING FIRST AND SECOND SURFACES; A PLURALITY OF MEMORY UNITS FORMED WITHIN SAID BODY IN A REGULAR ARRAY; SAID MEMORY UNITS INCLUDING A RECTIFYING JUNCTION FORMED BY A FIRST REGION OF P-TYPE CONDUCTIVITY AND A SECOND REGION OF N-TYPE CONDUCTIVITY WITHIN SAID BODY, A FIRST LAYER OF STORAGE MATERIAL DISPOSED ON SAID SECOND SURFACE, AND A SECOND LAYER BEING DISPOSED ON SAID FIRST LAYER IN PROXIMITY TO SAID FIRST REGION AND HAVING THE PROPERTY OF EMITTING SECONDARY ELECTRONS IN RESPONSE TO
Claim 2
Dependent Claim
90 words
A STORAGE TARGET COMPRISING A BODY OF SEMICONDUCTOR MATERIAL HAVING FIRST AND SECOND SURFACES; A PLURALITY OF MEMORY UNITS FORMED WITHIN SAID BODY IN A REGULAR ARRAY; SAID MEMORY UNITS INCLUDING A RECTIFYING JUNCTION FORMED BY A FIRST REGION OF P-TYPE CONDUCTIVITY AND A SECOND REGION OF N-TYPE CONDUCTIVITY WITHIN SAID BODY, A FIRST LAYER OF STORAGE MATERIAL DISPOSED ON SAID SECOND SURFACE, AND A SECOND LAYER BEING DISPOSED ON SAID FIRST LAYER IN PROXIMITY TO SAID FIRST REGION AND HAVING THE PROPERTY OF EMITTING SECONDARY ELECTRONS IN RESPONSE TO
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) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |