Patent US5681647A successfully refreshed from Google Patents.
US5681647A
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Anisotropic conductive film for microconnections
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
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Filing: 1995-10-03
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Granted: 1997-10-28
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Expires: 2015-10-03
Abstract
Abstract This self-supported, anisotropic conductive film has a partly annealed polymer layer (46) containing through holes, nail-shaped conductive elements (51) filling said through holes, having a central portion and ends, and the central portion of the nails is made from a hard material (52) and each end respectively of a first and a second meltable materials (44, 54).
Inventors
- 👤 Patrice Caillat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:09
CPC Classifications
H; H10; H10P; H10P72/00; H10P72/70; H10P72/74; H05; H05K; H05K3/00; H05K3/30; H05K3/32; H05K3/34; H05K3/341; H05K3/3431; H05K3/3436; H10W; H10W70/00; H10W70/20; H10W70/22; H10W70/60; H10W70/62; H10W70/63; H10W70/635; H05K2201/00; H05K2201/09; H05K2201/09209; H05K2201/095; H05K2201/09563; H05K2201/09818; H05K2201/09945; H05K2201/10; H05K2201/10227; H05K2201/10378; H05K2201/10613; H05K2201/10954; H05K2201/10977; H05K2201/10992; H05K2203/00; H05K2203/07; H05K2203/0703; H05K2203/0733; H05K3/303; H05K3/346; H05K3/40; H05K3/4038; H05K3/42; H05K3/423; H10P72/7424; H10W72/00; H10W72/071; H10W72/072; H10W72/07251; H10W72/20; H10W72/251; H10W72/252; Y; Y02; Y02P; Y02P70/00; Y02P70/50; Y10; Y10S; Y10S428/00; Y10S428/901; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24917; Y10T428/28; Y10T428/2804; Y10T428/2848
Claims Analysis
Total Claims: 40
Claim 1
Independent Claim
54 words
Self-supported, anisotropic conductive film having a polymer monolayer containing through holes, nail-shaped conductive elements filling said through holes, each of said conductive elements comprising a central portion, a first end and a second end, said central portion being constituted by a hard material and each end respectively by a first and second meltable materials.
Claim 2
Dependent Claim
54 words
Self-supported, anisotropic conductive film having a polymer monolayer containing through holes, nail-shaped conductive elements filling said through holes, each of said conductive elements comprising a central portion, a first end and a second end, said central portion being constituted by a hard material and each end respectively by a first and second meltable materials.
Claim 3
Dependent Claim
20 words
Conductive film according to claim 1, the first and/or second meltable materials projecting on either side of the polymer layer.
Claim 4
Dependent Claim
15 words
Anisotropic conductive film according to claim 1, said two meltable materials being of identical composition.
Claim 5
Dependent Claim
13 words
Conductive film according to claim 1, the hard material being a meltable material.
Claim 6
Dependent Claim
14 words
Anisotropic conductive film according to claim 4, the hard material being copper or nickel.
Claim 7
Dependent Claim
12 words
Anisotropic conductive film according to claim 4, the meltable materials being SnPb.
Claim 8
Dependent Claim
18 words
Anisotropic conductive film according to claim 4, the through holes being spaced by between 3 and 500 μm.
Claim 9
Dependent Claim
18 words
Anisotropic conductive film according to claim 4, the diameter of the holes being between 1 and 100 μm.
Claim 10
Dependent Claim
19 words
Anisotropic conductive film according to claim 4, the thickness of the polymer layer being between 5 and 200 μm.
Claim 11
Dependent Claim
25 words
Anisotropic conductive film according to claim 4, the central portion of the nails being entirely in the polymer layer without projecting on either side thereof.
Claim 12
Dependent Claim
17 words
Anisotropic conductive film according to claim 4, the polymer layer being in the form of several layers.
Claim 13
Dependent Claim
14 words
Anisotropic conductive film according to claim 1, the hard material being copper or nickel.
Claim 14
Dependent Claim
12 words
Anisotropic conductive film according to claim 1, the meltable materials being SnPb.
Claim 15
Dependent Claim
18 words
Anisotropic conductive film according to claim 1, the through holes being spaced by between 3 and 500 μm.
Claim 16
Dependent Claim
18 words
Anisotropic conductive film according to claim 1, the diameter of the holes being between 1 and 100 μm.
Claim 17
Dependent Claim
19 words
Anisotropic conductive film according to claim 1, the thickness of the polymer layer being between 5 and 200 μm.
Claim 18
Dependent Claim
22 words
Anisotropic conductive film according to claim 1, the central portion being entirely in the polymer layer without projecting on either side thereof.
Claim 19
Dependent Claim
58 words
Self-supported, anisotropic conductive film having a polymer monolayer containing through holes, nail-shaped conductive elements filling said through holes, each of said conductive elements comprising a central portion, a first end and a second end, said central portion being constituted by a hard material deposited in one step and each end respectively by a first and second meltable materials.
Claim 20
Dependent Claim
58 words
Self-supported, anisotropic conductive film having a polymer monolayer containing through holes, nail-shaped conductive elements filling said through holes, each of said conductive elements comprising a central portion, a first end and a second end, said central portion being constituted by a hard material deposited in one step and each end respectively by a first and second meltable materials.
Claim 21
Dependent Claim
21 words
Anisotropic conductive film according to claim 18, the first and/or second meltable materials projecting on either side of the polymer layer.
Claim 22
Dependent Claim
15 words
Anisotropic conductive film according to claim 18, said two meltable materials being of identical composition.
Claim 23
Dependent Claim
14 words
Anisotropic conductive film according to claim 18, the hard material being a meltable material.
Claim 24
Dependent Claim
14 words
Anisotropic conductive film according to claim 18, the hard material being copper or nickel.
Claim 25
Dependent Claim
12 words
Anisotropic conductive film according to claim 18, the meltable materials being SnPb.
Claim 26
Dependent Claim
18 words
Anisotropic conductive film according to claim 18, the through holes being spaced by between 3 and 500 μm.
Claim 27
Dependent Claim
18 words
Anisotropic conductive film according to claim 18, the diameter of the holes being between 1 and 100 μm.
Claim 28
Dependent Claim
19 words
Anisotropic conductive film according to claim 18, the thickness of the polymer monolayer being between 5 and 200 μm.
Claim 29
Dependent Claim
22 words
Anisotropic conductive film according to claim 18, the central portion being entirely in the polymer layer without projecting on either side thereof.
Claim 30
Dependent Claim
95 words
Self-supported, anisotropic conductive film having a polymer monolayer containing through holes, nail-shaped conductive elements filling said through holes, each of said conductive elements comprising a central portion, a first end and a second end, said central portion being constituted by a hard material and each end respectively by a first and second meltable materials, the hard material being such that it has a melting point higher than that of the first meltable material, and higher than the temperature used for producing the polymer and higher than the temperature used for the detachment of the film.
Claim 31
Dependent Claim
95 words
Self-supported, anisotropic conductive film having a polymer monolayer containing through holes, nail-shaped conductive elements filling said through holes, each of said conductive elements comprising a central portion, a first end and a second end, said central portion being constituted by a hard material and each end respectively by a first and second meltable materials, the hard material being such that it has a melting point higher than that of the first meltable material, and higher than the temperature used for producing the polymer and higher than the temperature used for the detachment of the film.
Claim 32
Dependent Claim
21 words
Anisotropic conductive film according to claim 28, the first and/or second meltable materials projecting on either side of the polymer layer.
Claim 33
Dependent Claim
15 words
Anisotropic conductive film according to claim 28, said two meltable materials being of identical composition.
Claim 34
Dependent Claim
14 words
Anisotropic conductive film according to claim 28, the hard material being a meltable material.
Claim 35
Dependent Claim
14 words
Anisotropic conductive film according to claim 28, the hard material being copper or nickel.
Claim 36
Dependent Claim
12 words
Anisotropic conductive film according to claim 28, the meltable materials being SnPb.
Claim 37
Dependent Claim
18 words
Anisotropic conductive film according to claim 28, the through holes being spaced by between 3 and 500 μm.
Claim 38
Dependent Claim
18 words
Anisotropic conductive film according to claim 28, the diameter of the holes being between 1 and 100 μm.
Claim 39
Dependent Claim
19 words
Anisotropic conductive film according to claim 28, the thickness of the polymer monolayer being between 5 and 200 μm.
Claim 40
Dependent Claim
22 words
Anisotropic conductive film according to claim 28, the central portion being entirely in the polymer layer without projecting on either side thereof.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-10-27 | 2001-04-28 | 2001-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-10-27 | 2005-04-28 | 2005-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-10-27 | 2009-04-28 | 2009-10-28 | $7700.00 | Window Closed / Lapsed |