Flexible composite metal shield cable
First Claim
Patent Images
1. A flexible shielded cable comprising:
- an elongate, flexible metal conductor;
a layer of a flexible dielectric material disposed about said conductor; and
a flexible metallic shield disposed about said layer, said shield including a copper foil having overlapping edges, a first copper wire spirally served shield about the foil, and a layer of metal which closes any opening between said overlapping edges, bond said spirally served shield and said foil and closes the interstices of said spirally served shield whereby said shield is flexible and has no openings therein.
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Abstract
A flexible shielded cable (20). The cable includes an elongate flexible metal conductor (24) and a layer of a flexible dielectric material (26) disposed about the conductor. The cable has a flexible metallic shield (28) positioned about the dielectric material with the shield including a copper foil (30) having overlapping edges (36) and a copper, spirally served shield (32) about the foil. A layer of metal bonds together the overlapping edges, bonds the spirally served shield and the foil and closes the openings of the spirally served shield. A method of forming a metallic shield is also disclosed.
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Citations
20 Claims
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1. A flexible shielded cable comprising:
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an elongate, flexible metal conductor; a layer of a flexible dielectric material disposed about said conductor; and a flexible metallic shield disposed about said layer, said shield including a copper foil having overlapping edges, a first copper wire spirally served shield about the foil, and a layer of metal which closes any opening between said overlapping edges, bond said spirally served shield and said foil and closes the interstices of said spirally served shield whereby said shield is flexible and has no openings therein. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A method of forming a metallic shield about a flexible metal conductor encompassed by a layer of dielectric material to form a flexible coaxial cable, said method comprising:
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providing a flexible metal conductor encompassed by a layer of dielectric material; wrapping a copper foil about said layer of dielectric material so that said foil has overlapping edges; applying a copper wire spirally served shield over said foil; and passing the cable through a bath of a molten metal which bonds to said spirally served shield and said foil so that any opening between said edges of said foil is closed and the interstices of said spirally served shield are closed. - View Dependent Claims (20)
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Specification