US3239437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of depositing magnetic alloy films
Assignee: United Kingdom Atomic Energy Authority
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Filing: 1961-07-24
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Granted: 1966-03-08
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Expires: 1981-07-24
Abstract
No abstract record available.
Inventors
- 👤 Stephen James Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:49
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/14; H01F41/24; H01F41/26; C; C25; C25D; C25D3/00; C25D3/02; C25D3/56; C25D3/562; C25D5/00; C25D5/007; C25D5/009; C25D7/00; C25D7/001; H01F1/00; H01F10/00; H01F10/08; H01F10/10; H01F10/12; H01F10/14; H01F10/26; H01F10/28; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49069
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
THE METHOD OF ELECTRODEPOSITING MAGNETIC ALLOY FILMS CONTAINING NICKEL AS A CONSTITUENT ON METAL STOCK COMPRISING, PLACING THE METAL STOCK IN AN AQUEOUS ELECTROLYTE SOLUTION CONSISTING OF THE REACTION PRODUCT OF THE METAL TO BE DEPOSITED, A SALT OF CITRIC ACID AND CITRIC ACID, THE ONLY ANIONS PRESENT IN SAID SOLUTION BEING CITRATE ANIONS, SUBJECTING THE METAL STOCK TO ELECTROLYSIS IN THE PRESENCE OF A MAGNETIC FIELD TO EFFECT THE DEPOSITION OF THE MAGNETIC ALLOY FILM THEREON, AND WITHDRAWING THE COATED METAL STOCK FROM THE ELECTROLYTE.
Claim 2
Independent Claim
86 words
THE METHOD OF ELECTRODEPOSITING MAGNETIC ALLOY FILMS CONTAINING NICKEL AS A CONSTITUENT ON METAL STOCK COMPRISING, PLACING THE METAL STOCK IN AN AQUEOUS ELECTROLYTE SOLUTION CONSISTING OF THE REACTION PRODUCT OF THE METAL TO BE DEPOSITED, A SALT OF CITRIC ACID AND CITRIC ACID, THE ONLY ANIONS PRESENT IN SAID SOLUTION BEING CITRATE ANIONS, SUBJECTING THE METAL STOCK TO ELECTROLYSIS IN THE PRESENCE OF A MAGNETIC FIELD TO EFFECT THE DEPOSITION OF THE MAGNETIC ALLOY FILM THEREON, AND WITHDRAWING THE COATED METAL STOCK FROM THE ELECTROLYTE.
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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |