US5026748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermally conductive adhesive
Assignee: Fiberite Inc
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Filing: 1990-05-07
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Granted: 1991-06-25
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Expires: 2010-05-07
Abstract
Abstract Adhesive resins are filled with carbon fibers that have a three-dimensional structure. The fibers have variable lengths and widths. The fiber filled adhesive exhibits high thermal conductivity values. Electronic systems having components bonded by a layer of these adhesives resins have high through-the-thickness thermal conductivity.
Inventors
- 👤 Jerome T. Adams
- 👤 Bruce A. Yost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 18:15
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/30; H05K3/303; H05K3/305; C; C09; C09J; C09J201/00; C09J201/005; H05K1/00; H05K1/02; H05K1/0201; H05K1/0203; H10; H10W; H10W20/00; H10W20/40; H10W70/00; H10W70/60; H10W70/62; H10W70/66; H10W70/666; C08; C08L; C08L2666/00; C08L2666/54; H05K2201/00; H05K2201/02; H05K2201/0203; H05K2201/0206; H05K2201/0209; H05K2201/0275; H05K2201/0281; H05K2201/03; H05K2201/032; H05K2201/0323; H10W90/00; H10W90/701; H10W90/731; H10W90/734; Y; Y02; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
28 words
A thermally conductive adhesive material comprising an adhesive resin filled with from about 20 to about 60 weight percent of a three-dimensional structure of pitch based carbon fibers.
Claim 2
Dependent Claim
28 words
A thermally conductive adhesive material comprising an adhesive resin filled with from about 20 to about 60 weight percent of a three-dimensional structure of pitch based carbon fibers.
Claim 3
Dependent Claim
18 words
The thermally conductive adhesive material of claim 1 wherein said material is in the form of a film.
Claim 4
Dependent Claim
18 words
The thermally conductive adhesive material of claim 1 wherein said material is in the form of a film.
Claim 5
Dependent Claim
23 words
The adhesive material of claim 1 wherein said adhesive resin is selected from the group consisting of thermoplastic, thermosetting, elastomeric or combinations thereof.
Claim 6
Dependent Claim
25 words
The adhesive material of claim 1, said material having a thermal conductivity in the range of from about 6 to about 12 (BTU)(in)/(hr)(ft 2 )(°F.).
Claim 7
Dependent Claim
14 words
The adhesive material of claim 1 wherein said adhesive resin is a thermosetting resin.
Claim 8
Dependent Claim
15 words
The adhesive material of claim 6 wherein said pitch based carbon fibers are mesophase pitch.
Claim 9
Dependent Claim
32 words
An electronic system having component parts bonded by a layer of adhesive resin filled with from about 20 to about 60 weight % of a three-dimensional structure of pitch based carbon fibers.
Claim 10
Dependent Claim
32 words
An electronic system having component parts bonded by a layer of adhesive resin filled with from about 20 to about 60 weight % of a three-dimensional structure of pitch based carbon fibers.
Claim 11
Dependent Claim
22 words
The system of claim 8 wherein said adhesive material is selected form the group consisting of thermoplastic, thermosetting, elastomeric and combinations thereof.
Claim 12
Dependent Claim
13 words
The system of claim 9 wherein said adhesive resin is a thermosetting resin.
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) | 1994-06-24 | 1994-12-24 | 1995-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-06-24 | 1998-12-24 | 1999-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-06-24 | 2002-12-24 | 2003-06-25 | $7700.00 | Window Closed / Lapsed |