US3663241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallizing composition containing nickel powder
Assignee: EIDP Inc
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Filing: 1970-05-20
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Granted: 1972-05-16
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Expires: 1990-05-20
Abstract
Abstract A mounting pad for aluminum terminated integrated circuit chips comprising a novel fired metallizing composition which comprises nickel powder coated with a nickel coating wherein said coating contains about from 0.1 to 14 percent by weight phosphorous as nickel phosphide.
Inventors
- 👤 Oliver Alton Short
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:15
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/22; H05K3/24; H05K3/245; H05K3/246; H10; H10W; H10W20/00; H10W20/40; H05K1/00; H05K1/02; H05K1/09; H05K1/092; H10W72/00; H10W72/01; H10W72/012; H10W72/01261; H10W72/071; H10W72/072; H10W72/07231; H10W72/07236; H10W72/20; H10W72/221; H10W72/225; H10W72/241; H10W72/251; H10W72/252; H10W72/29; H10W72/90; H10W72/951; H10W72/952; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12104; Y10T428/12111; Y10T428/12181
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
22 words
A composition of claim 1 wherein said nickel coating contains about from 2 to 10 percent by weight phosphorous as nickel phosphide.
Claim 2
Dependent Claim
16 words
A printing composition of claim 1 wherein said inert vehicle comprises ethyl cellulose and beta terpineol.
Claim 3
Dependent Claim
20 words
A composition according to claim 1 wherein there are one to 20 parts metallizing composition per part vehicle, by weight.
Claim 4
Dependent Claim
20 words
A composition according to claim 3 wherein there are one to 20 parts metallizing composition per part vehicle, by weight.
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) | 1975-05-16 | 1975-11-15 | 1976-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-16 | 1979-11-15 | 1980-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-16 | 1983-11-15 | 1984-05-16 | $7700.00 | Window Closed / Lapsed |