US3296481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ion source having both deflection and repeller electrodes for directing an electron stream
Assignee: Individual
•
Filing: 1964-05-13
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Granted: 1967-01-03
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Expires: 1984-05-13
Abstract
No abstract record available.
Inventors
- 👤 John L Peters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:39
CPC Classifications
H; H01; H01J; H01J27/00; H01J27/02; H01J27/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
AN ION SOURCE COMPRISING AN ION CHAMBER, MEANS INCLUDING A FILAMENT AND FIRST FOCUSING ELECTRODE FOR PRODUCING AND DIRECTING A STREAM OF ELECTRONS INTO SAID CHAMBER, AN ION OUTLET ON ONE SIDE OF SAID CHAMBER, A GRID POSITIONED ON THE OPPOSITE SIDE OF SAID CHAMBER FOR REPELLING IONS TOWARD SAID ONE SIDE, AND A DEFLECTION ELECTRODE POSITIONED ON THE FAR SIDE OF SAID GRID FROM SAID ONE SIDE OF SAID CHAMBER AND SUBSTANTIALLY PARALLEL TO SAID GRID FOR CONTROLLING THE TRAJECTORIES OF ELECTRONS IN SAID CHAMBER TO INCREASE THE AMOUNT OF POSITIVE IONS WHICH ARE PRODUCED IN SAID CHAMBER, SAID DEFLECTION ELECTRODE IMPOSING OPERATIVE FIELD FORCES IN SAID CHAMBER THROUGH THE INTERPOSED GRID.
Claim 2
Dependent Claim
113 words
AN ION SOURCE COMPRISING AN ION CHAMBER, MEANS INCLUDING A FILAMENT AND FIRST FOCUSING ELECTRODE FOR PRODUCING AND DIRECTING A STREAM OF ELECTRONS INTO SAID CHAMBER, AN ION OUTLET ON ONE SIDE OF SAID CHAMBER, A GRID POSITIONED ON THE OPPOSITE SIDE OF SAID CHAMBER FOR REPELLING IONS TOWARD SAID ONE SIDE, AND A DEFLECTION ELECTRODE POSITIONED ON THE FAR SIDE OF SAID GRID FROM SAID ONE SIDE OF SAID CHAMBER AND SUBSTANTIALLY PARALLEL TO SAID GRID FOR CONTROLLING THE TRAJECTORIES OF ELECTRONS IN SAID CHAMBER TO INCREASE THE AMOUNT OF POSITIVE IONS WHICH ARE PRODUCED IN SAID CHAMBER, SAID DEFLECTION ELECTRODE IMPOSING OPERATIVE FIELD FORCES IN SAID CHAMBER THROUGH THE INTERPOSED GRID.
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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |