US5123980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sputter deposited amorphous titanium aluminum alloys
Assignee: YKK Corp
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Filing: 1990-10-03
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Granted: 1992-06-23
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Expires: 2010-10-03
Abstract
Abstract An amorphous aluminum-valve metal alloy with special characteristics such as high corrosion resistance, high wear resistance and considerable toughness, consisting of Al and at least one element selected from valve metals of Ti and Zr, a portion of the set forth refractory metals being allowed to be substituted with at least one element selected from Mo, W, Ta and Nb.
Inventors
- 👤 Koji Hashimoto
- 👤 Hideaki Yoshioka
- 👤 Katsuhiko Asami
- 👤 Asahi Kawashima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:06
CPC Classifications
C; C22; C22C; C22C21/00; C23; C23C; C23C14/00; C23C14/06; C23C14/14; C22C45/00; C22C45/08; C23C14/22; C23C14/34; C23C14/3464
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
41 words
An amorphous aluminum-valve metal alloy being composed of a homogeneous amorphous single phase with special characteristics including high corrosion resistance, high wear resistance and considerable toughness, said alloy consisting of 40-60 at % of Ti with the balance being substantially Al.
Claim 2
Dependent Claim
41 words
An amorphous aluminum-valve metal alloy being composed of a homogeneous amorphous single phase with special characteristics including high corrosion resistance, high wear resistance and considerable toughness, said alloy consisting of 40-60 at % of Ti with the balance being substantially Al.
Claim 3
Dependent Claim
20 words
An amorphous aluminum-valve metal alloy according to claim 1, wherein said amorphous single phase alloy is a sputter deposited alloy.
Claim 4
Dependent Claim
80 words
An amorphous aluminum-valve metal alloy being composed of a homogeneous amorphous single phase with special characteristics including high corrosion resistance, high wear resistance and considerably toughness, said alloy consisting of less than 5 at % of at least one element selected from the group of Mo, W, Ta and Nb and 40-60 at % of the sum of Ti and at least one element selected from the group of Mo, W, Ta and Nb with the balance being substantially Al.
Claim 5
Dependent Claim
80 words
An amorphous aluminum-valve metal alloy being composed of a homogeneous amorphous single phase with special characteristics including high corrosion resistance, high wear resistance and considerably toughness, said alloy consisting of less than 5 at % of at least one element selected from the group of Mo, W, Ta and Nb and 40-60 at % of the sum of Ti and at least one element selected from the group of Mo, W, Ta and Nb with the balance being substantially Al.
Claim 6
Dependent Claim
20 words
An amorphous aluminum-valve metal alloy according to claim 3, wherein said amorphous single phase alloy is a sputter deposited alloy.
References Cited (Backward Citations)
US4772370A
Cited
US5015352A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-06-23 | 1995-12-23 | 1996-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-06-23 | 1999-12-23 | 2000-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-06-23 | 2003-12-23 | 2004-06-23 | $7700.00 | Window Closed / Lapsed |