US5059582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Superconductor-metal laminates and method of making
Assignee: Research Foundation of the State University of New York
•
Filing: 1989-03-22
•
Granted: 1991-10-22
•
Expires: 2009-03-22
Abstract
Abstract A superconducting laminate having at least one layer of metal and at least one layer of superconducting material. The metal layer and the superconducting layer are bonded. The metal later may also include carbon fibers from various precursors. The superconductor may be a composite material. The invention also includes a method of making the laminates.
Inventors
- 👤 Deborah D. L. Chung
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:03
CPC Classifications
H; H10; H10N; H10N60/00; H10N60/20; H10N60/203; H10N60/01; H10N60/0268; H10N60/0801; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/93; Y10S505/00; Y10S505/70; Y10S505/701; Y10S505/702; Y10S505/703; Y10S505/704; Y10T; Y10T428/00; Y10T428/25; Y10T428/30; Y10T428/31504; Y10T428/31678
Claims Analysis
Total Claims: 52
Claim 1
Independent Claim
51 words
A superconducting laminate comprising first and second layers; said first layer comprising a high T c ceramic superconductor and said second layer comprising a metal; said first layer being diffusion bonded to said second layer, wherein said metal is selected from the group consisting of tin, indium and tin lead alloy.
Claim 2
Dependent Claim
51 words
A superconducting laminate comprising first and second layers; said first layer comprising a high T c ceramic superconductor and said second layer comprising a metal; said first layer being diffusion bonded to said second layer, wherein said metal is selected from the group consisting of tin, indium and tin lead alloy.
Claim 3
Dependent Claim
45 words
The laminate as recited in claim 1 further comprising a third layer, said third layer being adjacent to and being diffusion bonded to a second side of said superconducting layer such that the first layer is adjacent to the first side of said superconducting layer.
Claim 4
Dependent Claim
54 words
A superconducting laminate comprising first and second layers; said first layer comprising a high T c ceramic superconductor and said second layer comprising a metal and carbon fiber; said first layer being diffusion bonded to said second layer, wherein said metal is selected from the group consisting of tin, indium and tin lead alloy.
Claim 5
Dependent Claim
54 words
A superconducting laminate comprising first and second layers; said first layer comprising a high T c ceramic superconductor and said second layer comprising a metal and carbon fiber; said first layer being diffusion bonded to said second layer, wherein said metal is selected from the group consisting of tin, indium and tin lead alloy.
Claim 6
Dependent Claim
43 words
The laminate as recited in claim 1 wherein the superconductor is selected from the group consisting of YBa 2 Cu 3 O 7- δ, Bi 2 Sr 3-x Ca x Cu 2 O 8+y , and Tl 2 Ba 2 CaCu 2 O.sub.δ.
Claim 7
Dependent Claim
43 words
The laminate as recited in claim 2 wherein the superconductor is selected from the group consisting of YBa 2 Cu 3 O 7- δ, Bi 2 Sr 3-x Ca x Cu 2 O 8+y , and Tl 2 Ba 2 CaCu 2 O.sub.δ.
Claim 8
Dependent Claim
18 words
The laminate as recited in claim 4 wherein the superconductor is YBa 2 Cu 3 O 7- δ.
Claim 9
Dependent Claim
18 words
The laminate as recited in claim 5 wherein the superconductor is YBa 2 Cu 3 O 7- δ.
Claim 10
Dependent Claim
22 words
The laminate as recited in claim wherein the metal is selected from the group consisting of tin, indium and tin lead alloy.
Claim 11
Dependent Claim
12 words
The laminate as recited in claim 8 wherein the metal is tin.
Claim 12
Dependent Claim
23 words
The laminate as recited in claim 2 wherein the metal is selected from the group consisting of tin, indium and tin lead alloy.
Claim 13
Dependent Claim
23 words
The laminate as recited in claim 6 wherein the metal is selected from the group consisting of tin, indium and tin lead alloy.
Claim 14
Dependent Claim
23 words
The laminate as recited in claim 7 wherein the metal is selected from the group consisting of tin, indium and tin lead alloy.
Claim 15
Dependent Claim
17 words
The laminate as recited in claim 10 wherein the second and third layers comprise the same metal.
Claim 16
Dependent Claim
16 words
The laminate as recited in claim 10 wherein the second and third layers comprise different metals.
Claim 17
Dependent Claim
12 words
The laminate as recited in claim 13 wherein the metal is tin.
Claim 18
Dependent Claim
16 words
The laminate as recited in claim 14 wherein the metals are tin and tin lead alloy.
Claim 19
Dependent Claim
15 words
The laminate as recited in claim 1 wherein the second layer further comprises carbon fibers.
Claim 20
Dependent Claim
15 words
The laminate as recited in claim 2 wherein the second layer further comprises carbon fibers.
Claim 21
Dependent Claim
15 words
The laminate as recited in claim 6 wherein the second layer further comprises carbon fibers.
Claim 22
Dependent Claim
16 words
The laminate as recited in claim 7 wherein the carbon fibers are from textile fiber precursors.
Claim 23
Dependent Claim
16 words
The laminate as recited in claim 17 wherein the carbon fibers are from textile fiber precursors.
Claim 24
Dependent Claim
16 words
The laminate as recited in claim 18 wherein the carbon fibers are from textile fiber precursors.
Claim 25
Dependent Claim
16 words
The laminate as recited in claim 19 wherein the carbon fibers are from textile fiber precursors.
Claim 26
Dependent Claim
14 words
The laminate as recited in claim 21 wherein the textile fibers are PAN based.
Claim 27
Dependent Claim
14 words
The laminate as recited in claim 22 wherein the textile fibers are PAN based.
Claim 28
Dependent Claim
33 words
The laminate as recited in claim 1 wherein the metal will be able to diffuse into the surface of the superconducting layer at a temperature lower than the degradation temperature of the superconductor.
Claim 29
Dependent Claim
33 words
The laminate as recited in claim 2 wherein the metal will be able to diffuse into the surface of the superconducting layer at a temperature lower than the degradation temperature of the superconductor.
Claim 30
Dependent Claim
14 words
The laminate as recited in claim 1 wherein the superconductor is a superconducting composite.
Claim 31
Dependent Claim
14 words
The laminate as recited in claim 2 wherein the superconductor is a superconducting composite.
Claim 32
Dependent Claim
14 words
The laminate as recited in claim 28 wherein the superconducting composite comprises a metal.
Claim 33
Dependent Claim
14 words
The laminate as recited in claim 29 wherein the superconducting composite comprises a metal.
Claim 34
Dependent Claim
16 words
The laminate as recited in claim 30 wherein said superconducting composite is fabricated by powder metallurgy.
Claim 35
Dependent Claim
17 words
The laminate as recited in claim 31 wherein said superconducting composite is fabricated by metal tube drawing.
Claim 36
Dependent Claim
18 words
The laminate as recited in claim 1 further comprising a plurality of alternating superconducting and metal containing layers.
Claim 37
Dependent Claim
23 words
The laminate as recited in claim 1 wherein the first layer comprises between about 20 to about 60 vol. % of the laminate.
Claim 38
Dependent Claim
23 words
The laminate as recited in claim 2 wherein the first layer comprises between about 20 to about 60 vol. % of the laminate.
Claim 39
Dependent Claim
23 words
The laminate as recited in claim 1 wherein the second layer comprises between about 40 to about 80 vol. % of the laminate.
Claim 40
Dependent Claim
21 words
The laminate as recited in claim 17 wherein the carbon fibers comprise between about 15-40 vol. % of said second layer.
Claim 41
Dependent Claim
22 words
The laminate as recited in claim 1 wherein the second layer is between about 0.1 mm to about 6 mm in thickness.
Claim 42
Dependent Claim
22 words
The laminate as recited in claim 35 wherein the second layer is between about 0.1 mm to about 6 mm in thickness.
Claim 43
Dependent Claim
22 words
The laminate as recited in claim 36 wherein the second layer is between about 0.1 mm to about 6 mm in thickness.
Claim 44
Dependent Claim
22 words
The laminate as recited in claim 38 wherein the second layer is between about 0.4 mm to about 6 mm in thickness.
Claim 45
Dependent Claim
18 words
The laminate as recited in claim 1 wherein the first layer is at least 1000 Angstroms in thickness.
Claim 46
Dependent Claim
18 words
The laminate as recited in claim 2 wherein the first layer is at least 1000 Angstroms in thickness.
Claim 47
Dependent Claim
18 words
The laminate as recited in claim 40 wherein the first layer is at least 1000 Angstroms in thickness.
Claim 48
Dependent Claim
18 words
The laminate as recited in claim 42 wherein the first layer is at least 1000 Angstroms in thickness.
Claim 49
Dependent Claim
65 words
A superconducting laminate comprising, first and second layers; said first layer comprising about 40 vol. % YBa 2 Cu 3 O 7- δ, and being about 3.4 mm thick; said second layer comprising about 60 vol. % of tin and being about 2.3 mm thick; said first layer being diffusion bonded to said second layer at 140° C. and 5.3 MPa for about 15 minutes.
Claim 50
Dependent Claim
65 words
A superconducting laminate comprising, first and second layers; said first layer comprising about 40 vol. % YBa 2 Cu 3 O 7- δ, and being about 3.4 mm thick; said second layer comprising about 60 vol. % of tin and being about 2.3 mm thick; said first layer being diffusion bonded to said second layer at 140° C. and 5.3 MPa for about 15 minutes.
Claim 51
Dependent Claim
52 words
A superconducting laminate prepared by a process comprising the steps of: a) preparing a high T c superconducting layer; b) preparing a metal layer; and c) diffusion bonding said superconducting layer to said metal layer; wherein said metal is selected from the group consisting essentially of tin, indium and tin lead alloy.
Claim 52
Dependent Claim
52 words
A superconducting laminate prepared by a process comprising the steps of: a) preparing a high T c superconducting layer; b) preparing a metal layer; and c) diffusion bonding said superconducting layer to said metal layer; wherein said metal is selected from the group consisting essentially of tin, indium and tin lead alloy.
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) | 1994-10-21 | 1995-04-22 | 1995-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-10-21 | 1999-04-22 | 1999-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-10-21 | 2003-04-22 | 2003-10-22 | $7700.00 | Window Closed / Lapsed |