US5024871A
Expired / Lapsed
US
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Ceramic filled fluoropolymetric composite material
Assignee: World Properties Inc
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Filing: 1990-02-21
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Granted: 1991-06-18
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Expires: 2010-02-21
Abstract
Abstract A composite material is presented comprised of a ceramic filled fluoropolymer wherein the ceramic is coated with a zirconate coupling agent and/or a titanate coupling agent.
Inventors
- 👤 David J. Arthur
- 👤 Gwo S. Swei
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:41
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B26/00; C04B26/02; C04B26/04; C04B26/08; C04B35/00; C04B35/01; C04B35/14; C04B41/45; C04B41/4584; C08; C08K; C08K9/00; C08K9/04; H; H05; H05K; H05K1/00; H05K1/02; H05K1/03; H05K1/0313; H05K1/0353; H05K1/0373; H10; H10W; H10W70/00; H10W70/60; H10W70/67; H10W70/69; H10W70/695; C04B2111/00; C04B2111/00474; C04B2111/00844; H05K1/032; H05K1/034; H05K1/0366; H05K2201/00; H05K2201/01; H05K2201/0137; H05K2201/015; H05K2201/0183; H05K2201/0195; H05K2201/02; H05K2201/0203; H05K2201/0206; H05K2201/0209; H05K2201/0239; H05K3/00; H05K3/46; H05K3/4611; H05K3/4626; Y; Y10; Y10S; Y10S428/00; Y10S428/901; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24917; Y10T428/25; Y10T428/259; Y10T428/29; Y10T428/31504; Y10T428/3154
Claims Analysis
Total Claims: 32
Claim 1
Independent Claim
40 words
An electrical substrate material comprising: fluoropolymeric material; silaceous ceramic filler material, said filler material being in an amount of at least about 50 volume percent of the total substrate material; and said ceramic filler being coated by a zirconate coating.
Claim 2
Dependent Claim
40 words
An electrical substrate material comprising: fluoropolymeric material; silaceous ceramic filler material, said filler material being in an amount of at least about 50 volume percent of the total substrate material; and said ceramic filler being coated by a zirconate coating.
Claim 3
Dependent Claim
25 words
The material of claim 1 including: at least one layer of conductive material being disposed on at least a portion of said electrical substrate material.
Claim 4
Dependent Claim
24 words
The material of claim 1 wherein said fluoropolymeric material is selected from the group comprising: polytetrafluoroethylene, hexa fluoropropene, tetrafluoroethylene or perfluoro alkyl vinyl ether.
Claim 5
Dependent Claim
11 words
The material of claim 1 wherein said ceramic filler comprises silica.
Claim 6
Dependent Claim
13 words
The material of claim 4 wherein said silica comprises amorphous fused silica powder.
Claim 7
Dependent Claim
22 words
The material of claim 1 wherein said zirconate coating is selected from the group comprising: neopentyl(diallyloxy)tri(dioctyl) pyro-phosphate zirconate and neopentyl(diallyoxy)tri(N-ethylenediamino) ethyl zirconate.
Claim 8
Dependent Claim
24 words
The material of claim 1 wherein said ceramic filler comprises particles and wherein the mean particle size varies from about 10 to 15 μm.
Claim 9
Dependent Claim
69 words
In a multilayer circuit including at least a first circuit layer and a second circuit layer, the improvement comprising: an adhesive layer sandwiched between the first and second circuit layers, said adhesive layer comprising: fluoropolymeric material; silaceous ceramic filler material, said filler material being in an amount of at least about 50 volume percent of the total adhesive layer; and said ceramic filler being coated with a zirconate coating.
Claim 10
Dependent Claim
69 words
In a multilayer circuit including at least a first circuit layer and a second circuit layer, the improvement comprising: an adhesive layer sandwiched between the first and second circuit layers, said adhesive layer comprising: fluoropolymeric material; silaceous ceramic filler material, said filler material being in an amount of at least about 50 volume percent of the total adhesive layer; and said ceramic filler being coated with a zirconate coating.
Claim 11
Dependent Claim
13 words
The multilayer circuit of claim 8 including: at least one plated through hole.
Claim 12
Dependent Claim
25 words
The multilayer circuit of claim 8 wherein said fluoropolymeric material is selected from the group comprising: polytetrafluoroethylene, hexa fluoropropene, tetrafluoroethylene or perfluoro alkyl vinyl ether.
Claim 13
Dependent Claim
12 words
The multilayer circuit of claim 8 wherein said ceramic filler comprises silica.
Claim 14
Dependent Claim
14 words
The multilayer circuit of claim 11 wherein said silica comprises amorphous fused silica powder.
Claim 15
Dependent Claim
23 words
The multilayer circuit of claim 8 wherein said silane coating is selected from the group comprising: neopentyl(diallyloxy)tri(dioctyl) pyro-phosphate zirconate and neopentyl(diallyoxy)tri(N-ethylenediamino) ethyl zirconate.
Claim 16
Dependent Claim
25 words
The multilayer circuit of claim 8 wherein said ceramic filler comprises particles and wherein the mean particle size varies from about 10 to 15 μm.
Claim 17
Dependent Claim
40 words
An electrical substrate material comprising: fluoropolymeric material; silaceous ceramic filler material, said filler material being in an amount of at least about 50 volume percent of the total substrate material; and said ceramic filler being coated by a titanate coating.
Claim 18
Dependent Claim
40 words
An electrical substrate material comprising: fluoropolymeric material; silaceous ceramic filler material, said filler material being in an amount of at least about 50 volume percent of the total substrate material; and said ceramic filler being coated by a titanate coating.
Claim 19
Dependent Claim
25 words
The material of claim 15 including: at least one layer of conductive material being disposed on at least a portion of said electrical substrate material.
Claim 20
Dependent Claim
24 words
The material of claim 15 wherein said fluoropolymeric material is selected from the group comprising: polytetrafluoroethylene, hexa fluoropropene, tetrafluoroethylene or perfluoro alkyl vinyl ether.
Claim 21
Dependent Claim
11 words
The material of claim 15 wherein said ceramic filler comprises silica.
Claim 22
Dependent Claim
13 words
The material of claim 18 wherein said silica comprises amorphous fused silica powder.
Claim 23
Dependent Claim
39 words
The material of claim 15 wherein said zirconate coating is selected from the group comprising: neopantyl(diallyl)oxy, trineodecanonyl titanate, neopentyl(diallyl)oxy, tri(dodecyl)benzene-sulfonyl titanate, neopentyl(diallyl)oxy, tri(dioctyl)phosphato titanate, neopentyl(diallyl)oxy, tri(dioctyl)pyro-phosphato titanate, neopentyl(diallyl)oxy, tri(N-ethylenediamino) ethyl titanate, neopentyl(diallyl)oxy, tri(m-amino)phenyl titanate, and neopentyl(diallyl)oxy, trihydroxy caproyl titanate.
Claim 24
Dependent Claim
24 words
The material of claim 15 wherein said ceramic filler comprises particles and wherein the mean particle size varies from about 10 to 15 μm.
Claim 25
Dependent Claim
69 words
In a multilayer circuit including at least a first circuit layer and a second circuit layer, the improvement comprising: an adhesive layer sandwiched between the first and second circuit layers, said adhesive layer comprising: fluoropolymeric material; silaceous ceramic filler material, said filler material being in an amount of at least about 50 volume percent of the total adhesive layer; and said ceramic filler being coated with a titanate coating.
Claim 26
Dependent Claim
69 words
In a multilayer circuit including at least a first circuit layer and a second circuit layer, the improvement comprising: an adhesive layer sandwiched between the first and second circuit layers, said adhesive layer comprising: fluoropolymeric material; silaceous ceramic filler material, said filler material being in an amount of at least about 50 volume percent of the total adhesive layer; and said ceramic filler being coated with a titanate coating.
Claim 27
Dependent Claim
13 words
The multilayer circuit of claim 22 including: at least one plated through hole.
Claim 28
Dependent Claim
25 words
The multilayer circuit of claim 22 wherein said fluoropolymeric material is selected from the group comprising: polytetrafluoroethylene, hexa fluoropropene, tetrafluoroethylene or perfluoro alkyl vinyl ether.
Claim 29
Dependent Claim
12 words
The multilayer circuit of claim 22 wherein said ceramic filler comprises silica.
Claim 30
Dependent Claim
14 words
The multilayer circuit of claim 25 wherein said silica comprises amorphous fused silica powder.
Claim 31
Dependent Claim
40 words
The multilayer circuit of claim 22 wherein said silane coating is selected from the group comprising: neopentyl(diallyl)oxy, trineodecanonyl titanate, neopentyl(diallyl)oxy, tri(dodecyl)benzene-sulfonyl titanate, neopentyl(diallyl)oxy, tri(dioctyl)phosphato titanate, neopentyl(diallyl)oxy, tri(dioctyl)pyro-phosphato titanate, neopentyl(diallyl)oxy, tri(N-ethylenediamino) ethyl titanate, neopentyl(diallyl)oxy, tri(m-amino)phenyl titanate, and neopentyl(diallyl)oxy, trihydroxy caproyl titanate.
Claim 32
Dependent Claim
25 words
The multilayer circuit of claim 22 wherein said ceramic filler comprises particles and wherein the mean particle size varies from about 10 to 15 μm.
References Cited (Backward Citations)
US4331970A
Cited
US4849284A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-06-17 | 1994-12-17 | 1995-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-06-17 | 1998-12-17 | 1999-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-06-17 | 2002-12-17 | 2003-06-18 | $7700.00 | Window Closed / Lapsed |