Patent US4659378A successfully refreshed from Google Patents.
US4659378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solderable adhesive layer
Assignee: Alcatel Lucent NV
•
Filing: 1984-06-22
•
Granted: 1987-04-21
•
Expires: 2004-06-22
Abstract
Abstract Electrical contacts to or mechanical connections between components and provided by using a thin layer of an alloy consisting of metals and metalloids. Such a layer shows excellent adhesion to glass or semiconductor substrates.
Inventors
- 👤 Hans Volz
- 👤 Peter Kersten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:42
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/001; G; G02; G02B; G02B6/00; G02B6/24; G02B6/42; G02B6/4201; G02B6/4248; G02B6/44; G02B6/4401; G02B6/4415; G02B6/4427; G02B6/4428; H; H01; H01B; H01B1/00; H01B1/02; H01B17/00; H01B17/26; H01B17/30; H01B17/301; H10; H10W; H10W20/00; H10W20/40; H10W70/00; H10W70/60; H10W70/62; H10W70/66; H05; H05K; H05K1/00; H05K1/02; H05K1/03; H05K1/0306; H05K3/00; H05K3/22; H05K3/24; H05K3/244
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A solderable adhesive layer comprising a thin layer of an alloy consisting of a metal selected from the group of cobalt, iron or a combination thereof, and a metalloid, said metalloid being germanium.
Claim 2
Dependent Claim
33 words
A solderable adhesive layer comprising a thin layer of an alloy consisting of a metal selected from the group of cobalt, iron or a combination thereof, and a metalloid, said metalloid being germanium.
References Cited (Backward Citations)
GB487263A
Cited
FR1298711A
Cited
GB1145948A
Cited
US4052201A
Cited
US4059217A
Cited
US4038073A
Cited
GB1556627A
Cited
US4221592A
Cited
EP0011703A1
Cited
US4527614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-04-20 | 1990-10-20 | 1991-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-04-20 | 1994-10-20 | 1995-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-04-20 | 1998-10-20 | 1999-04-21 | $7700.00 | Window Closed / Lapsed |