US3170083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microspace data storage tube using electron microscope optical assembly
Assignee: General Electric Co
•
Filing: 1960-12-30
•
Granted: 1965-02-16
•
Expires: 1980-12-30
Abstract
No abstract record available.
Inventors
- 👤 Sterling P Newberry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:57
CPC Classifications
G; G11; G11B; G11B9/00; G11B9/02; G11B11/00; G11B11/03; G11B11/08; G11B9/08; G11C; G11C13/00; G11C13/04; G11C13/048; H; H01; H01J; H01J31/00; H01J31/08; H01J31/58; H01J31/60; H01J37/00; H01J37/02; H01J37/04; H01J37/26; H04; H04N; H04N5/00; H04N5/76
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
IN A DATA STORAGE SYSTEM, THE COMBINATION COMPRISING AN ELECTRON MICROSCOPE OPTICAL SYSTEM INCLUDING AT LEAST A SOURCE OF CHARGED PARTICLES AND AN OBJECTIVE LENS ASSEMBLY FOR PRODUCING A HIGH DENSITY BEAM OF CHARGED PARTICLES FOCUSSED TO A DIAMETER BELOW THE LATERAL RESOLUTION OF VISIBLE LIGHT OPTICAL DEVICES, AND A DATA STORAGE ELEMENT DISPOSED SUBSTANTIALLY AT THE FOCAL POINT OF SAID BEAM, SAID STORAGE ELEMENT BEING EXPOSED TO THE ACTION OF SAID BEAM TO ALTER THE CHARACTERISTICS OF SAID STORAGE ELEMENT AT DISCRETE POSITIONS IN RESPONSE TO THE PRIMARY EFFECTS OF SAID BEAM.
Claim 2
Dependent Claim
93 words
IN A DATA STORAGE SYSTEM, THE COMBINATION COMPRISING AN ELECTRON MICROSCOPE OPTICAL SYSTEM INCLUDING AT LEAST A SOURCE OF CHARGED PARTICLES AND AN OBJECTIVE LENS ASSEMBLY FOR PRODUCING A HIGH DENSITY BEAM OF CHARGED PARTICLES FOCUSSED TO A DIAMETER BELOW THE LATERAL RESOLUTION OF VISIBLE LIGHT OPTICAL DEVICES, AND A DATA STORAGE ELEMENT DISPOSED SUBSTANTIALLY AT THE FOCAL POINT OF SAID BEAM, SAID STORAGE ELEMENT BEING EXPOSED TO THE ACTION OF SAID BEAM TO ALTER THE CHARACTERISTICS OF SAID STORAGE ELEMENT AT DISCRETE POSITIONS IN RESPONSE TO THE PRIMARY EFFECTS OF SAID BEAM.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-16 | 1968-08-17 | 1969-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-16 | 1972-08-17 | 1973-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-16 | 1976-08-17 | 1977-02-16 | $7700.00 | Window Closed / Lapsed |