US3233577A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gettering means in a vacuum deposition device
Assignee: Unisys Corp
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Filing: 1961-05-29
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Granted: 1966-02-08
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Expires: 1981-05-29
Abstract
No abstract record available.
Inventors
- 👤 Alden W Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:33
CPC Classifications
H; H01; H01J; H01J41/00; H01J41/12; H01F; H01F41/00; H01F41/14; H01F41/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
APPARATUS FOR PRODUCING AT LEAST ONE MAGNETIC FILM COMPRISING MEANS FORMING AN EVACUATABLE ENCLOSURE MEANS FOR SUPPORTING A SUBSTRATE DISPOSED IN SAID ENCLOSURE, HOLDING MEANS IN SAID ENCLOSURE AND SPACED FROM SAID SUBSTRATE FOR HOLDING AND EVAPORATING FERROMAGNETIC MATERIAL AS EVAPORANT ONTO SAID SUBSTRATE TO FORM SAID FILM, SHUTTER MEANS REMOVABLY DISPOSED BETWEEN SAID SUBSTRATE AND HOLDING MEANS TO CONTROL DEPOSIT OF SAID EVAPORANT ONTO SAID SUBSTRATE, AND MEANS FOR GETTERING A SUBSTANTIAL PORTION OF THE EVAPORANT PATH DEFINED BE-
Claim 2
Dependent Claim
80 words
APPARATUS FOR PRODUCING AT LEAST ONE MAGNETIC FILM COMPRISING MEANS FORMING AN EVACUATABLE ENCLOSURE MEANS FOR SUPPORTING A SUBSTRATE DISPOSED IN SAID ENCLOSURE, HOLDING MEANS IN SAID ENCLOSURE AND SPACED FROM SAID SUBSTRATE FOR HOLDING AND EVAPORATING FERROMAGNETIC MATERIAL AS EVAPORANT ONTO SAID SUBSTRATE TO FORM SAID FILM, SHUTTER MEANS REMOVABLY DISPOSED BETWEEN SAID SUBSTRATE AND HOLDING MEANS TO CONTROL DEPOSIT OF SAID EVAPORANT ONTO SAID SUBSTRATE, AND MEANS FOR GETTERING A SUBSTANTIAL PORTION OF THE EVAPORANT PATH DEFINED BE-
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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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |