← Back to Patent Explorer
EP0375851A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Encapsulated electrical or electronic device

Assignee: EIDP Inc
•
Filing: 1989-10-03
•
Granted: —
•
Expires: 2009-10-03
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract An encapsulated electrical or electronic device having a first layer of electrically insulating material which is then covered by another resin layer filled with thermally conductive fibers such as mesophase pitch based carbon fibers.

Inventors

  • 👤 M. Lana Sheer
  • 👤 John C. Solenberger

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-09 19:02
CPC Classifications
H; H10; H10W; H10W40/00; H10W40/20; H10W40/25; H10W40/251; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/42; H01B3/421; H01B3/422; H01F; H01F27/00; H01F27/02; H01F27/022; H10W40/257; H10W74/00; H10W74/10; H10W74/111; H10W74/121

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 41 words
An improved article of manufacture comprising: an electrical device having electrically active components, said components being encapsulated with an electrically insulating material, said device including said components being encapsulated with a thermally conductive material forming the outer surface for said article.
Claim 2
Dependent Claim 41 words
An improved article of manufacture comprising: an electrical device having electrically active components, said components being encapsulated with an electrically insulating material, said device including said components being encapsulated with a thermally conductive material forming the outer surface for said article.
Claim 3
Dependent Claim 25 words
The article of claim 1 wherein said thermal conductive material is a resin reinforced with a three dimensional arrangement of mesophase pitch based carbon fibers.
Claim 4
Dependent Claim 16 words
The article of manufacture of claim 2 wherein said carbon fibers have a predominately lamellar structure.
Claim 5
Dependent Claim 28 words
The article as defined in claims 1, 2 or 3 wherein said electrical device is encapsulated by means of a two-step injection molding process, said resin being thermoplastic.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag