US4623408A
Expired / Lapsed
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Nitrogen-containing amorphous alloy
Assignee: Japan Science and Technology Agency
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Filing: 1985-01-16
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Granted: 1986-11-18
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Expires: 2005-01-16
Abstract
Abstract Nitrogen-containing amorphous alloys having a combination of superior properties which are highly valuable and desirable for ferromagnetic materials or superconducting materials are produced by sputtering metallic materials and nitrogen compounds containing semi-metal or semiconducting metal, such as boron or silicon, without requiring the use of nitrogen gas. The produced alloy has a novel structure, represented by the formula: MxLyNz (wherein M is at least one metal or alloy; L is at least one semimetal or semiconducting element; and x, y and z are fractional atomic percentages totaling 100 (i.e., x+y+z=100) and the value of y+z being 10 or more and the respective values of x, y, z being not zero).
Inventors
- 👤 Hideaki Karamon
- 👤 Keiichi Ogawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:04
CPC Classifications
C; C22; C22C; C22C45/00; C22C45/10; C22C45/02; H; H01; H01F; H01F10/00; H01F10/08; H01F10/10; H01F10/12; H01F10/13; H01F10/131; H10; H10N; H10N60/00; H10N60/80; H10N60/85
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
91 words
A nitrogen-containing amorphous alloy having the formula M.sub.x L.sub.y N.sub.z wherein M is at least one metal or metal alloy, L is B, Al, Ga, In, C, Si or Ge, each of x, y and z is a number larger than zero, x+y+z=100 and y+z is 10 or larger, said amorphous alloy having been prepared without using nitrogen gas, said amorphous alloy consisting essentially of first regions of an M-based amorphous phase having a low specific resistivity surrounded by second regions of LN amorphous phase having a high specific electrical resistivity.
Claim 2
Dependent Claim
91 words
A nitrogen-containing amorphous alloy having the formula M.sub.x L.sub.y N.sub.z wherein M is at least one metal or metal alloy, L is B, Al, Ga, In, C, Si or Ge, each of x, y and z is a number larger than zero, x+y+z=100 and y+z is 10 or larger, said amorphous alloy having been prepared without using nitrogen gas, said amorphous alloy consisting essentially of first regions of an M-based amorphous phase having a low specific resistivity surrounded by second regions of LN amorphous phase having a high specific electrical resistivity.
Claim 3
Dependent Claim
41 words
An amorphous alloy as claimed in claim 1 which has been prepared by sputtering using a solid target consisting essentially of M and a solid target consisting essentially of a compound of L and N, in the absence of nitrogen gas.
Claim 4
Dependent Claim
22 words
An amorphous alloy as claimed in claim 2 in which z is at least 5 and y is not larger than 50.
Claim 5
Dependent Claim
120 words
A nitrogen-containing amorphous alloy having the formla M.sub.x L.sub.y N.sub.z wherein M is at least one of Fe, Co, Ni or alloy thereof with at least one other metal selected from the group consisting of Sc, Ti, V, Cr, Mn, W, Mo, Ta, Nb, Zr, Cu, Ag and Au, L is B, Al, Ga, In, C, Si or Ge, each of x, y and z is a number larger than zero, x+y+z=100 and y+z is 10 or larger, said amorphous alloy having been prepared without using nitrogen gas, said amorphous alloy consisting essentially of first regions of an M-based amorphous phase having a low specific resistivity surrounded by second regions of LN amorphous phase having a high specific electrical resistivity.
Claim 6
Dependent Claim
120 words
A nitrogen-containing amorphous alloy having the formla M.sub.x L.sub.y N.sub.z wherein M is at least one of Fe, Co, Ni or alloy thereof with at least one other metal selected from the group consisting of Sc, Ti, V, Cr, Mn, W, Mo, Ta, Nb, Zr, Cu, Ag and Au, L is B, Al, Ga, In, C, Si or Ge, each of x, y and z is a number larger than zero, x+y+z=100 and y+z is 10 or larger, said amorphous alloy having been prepared without using nitrogen gas, said amorphous alloy consisting essentially of first regions of an M-based amorphous phase having a low specific resistivity surrounded by second regions of LN amorphous phase having a high specific electrical resistivity.
Claim 7
Dependent Claim
43 words
An amorphous alloy as claimed in claim 4 which has been prepared by sputtering using a first solid target consisting essentially of M and a second solid target consisting essentially of a compound of L and N, in the absence of nitrogen gas.
Claim 8
Dependent Claim
22 words
An amorphous alloy as claimed in claim 5 in which z is at least 5 and y is not larger than 50.
Claim 9
Dependent Claim
27 words
An amorphous alloy as claimed in claim 4 in which said first solid target consists essentially of Fe and said second solid target consists essentially of BN.
Claim 10
Dependent Claim
115 words
A nitrogen-containing amorphous alloy having the formula M.sub.x L.sub.y N.sub.z wherein M is at least one of Y, Zr, Nb, Mo, Tc, Ru, Ru, Pd or alloys thereof with at least one other metal selected from the group consisting of W, Re and Os, L is B, Al, Ga, In, C, Si or Ge, each of x, y and z is a number larger than zero, x+y+z=100 and y+z is 10 or larger, said amorphous alloy having been prepared without using nitrogen gas, said amorphous alloy consisting essentially of first regions of an M-based amorphous phase having a low specific resistivity surrounded by second regions of LN amorphous phase having a high specific electrical resistivity.
Claim 11
Dependent Claim
115 words
A nitrogen-containing amorphous alloy having the formula M.sub.x L.sub.y N.sub.z wherein M is at least one of Y, Zr, Nb, Mo, Tc, Ru, Ru, Pd or alloys thereof with at least one other metal selected from the group consisting of W, Re and Os, L is B, Al, Ga, In, C, Si or Ge, each of x, y and z is a number larger than zero, x+y+z=100 and y+z is 10 or larger, said amorphous alloy having been prepared without using nitrogen gas, said amorphous alloy consisting essentially of first regions of an M-based amorphous phase having a low specific resistivity surrounded by second regions of LN amorphous phase having a high specific electrical resistivity.
Claim 12
Dependent Claim
43 words
An amorphous alloy as claimed in claim 8 which has been prepared by sputtering using a first solid target consisting essentially of M and a second solid target consisting essentially of a compound of L and N, in the absence of nitrogen gas.
Claim 13
Dependent Claim
22 words
An amorphous alloy as claimed in claim 9 in which z is at least 5 and y is not larger than 50.
Claim 14
Dependent Claim
29 words
An amorphous alloy as claimed in claim 8 in which said first solid target consists essentially of Mo or Nb and said second solid target consists essentially of BN.
References Cited (Backward Citations)
US4231816A
Cited
US4264358A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-11-17 | 1990-05-19 | 1990-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-11-17 | 1994-05-19 | 1994-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-11-17 | 1998-05-19 | 1998-11-18 | $7700.00 | Window Closed / Lapsed |