Patent US3353073A successfully refreshed from Google Patents.
US3353073A
Expired / Lapsed
US
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Magnesium-aluminum alloy contacts for semiconductor devices
Assignee: NEC Corp
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Filing: 1965-09-09
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Granted: 1967-11-14
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Expires: 1985-09-09
Abstract
No abstract record available.
Inventors
- 👤 Majima Tsutomu
- 👤 Urushida Koichi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:02
CPC Classifications
H; H10; H10W; H10W76/00; H10W76/10; H10W76/12; H10W76/161; H10W76/13; H10W76/132; H10W72/00; H10W72/50; H10W72/531; H10W72/5363; H10W72/551; H10W72/552; H10W72/5522; H10W72/5524; H10W72/59; H10W72/851; H10W72/874; H10W72/884; H10W72/90; H10W72/921; H10W72/923; H10W72/931; H10W72/934; H10W72/951; H10W72/952; H10W90/00; H10W90/701; H10W90/731; H10W90/736; H10W90/751; H10W90/753; H10W90/754; H10W90/756; Y; Y10; Y10S; Y10S228/00; Y10S228/904; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49204
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
AN IMPROVED LEAD ARRANGEMENT FOR SEMICONDUCTOR ELEMENT COMPRISING A CONDUCTOR OF ALUMINUM ALLOY CONSISTING OF 0.5 TO 7% MAGNESIUM WITH THE BALANCE ALUMINUM AND SAID CONDUCTOR BEING BONDED TO AN ALUMINUM ELECTRODE FORMED ON THE SEMICONDUCTOR ELEMENT.
Claim 2
Dependent Claim
37 words
AN IMPROVED LEAD ARRANGEMENT FOR SEMICONDUCTOR ELEMENT COMPRISING A CONDUCTOR OF ALUMINUM ALLOY CONSISTING OF 0.5 TO 7% MAGNESIUM WITH THE BALANCE ALUMINUM AND SAID CONDUCTOR BEING BONDED TO AN ALUMINUM ELECTRODE FORMED ON THE SEMICONDUCTOR ELEMENT.
References Cited (Backward Citations)
US3259973A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |