Flexible wiring board and method of preparing the same
AssigneeSumitomo Metal Mining Co., Ltd.
InventorsRyozo Ushio, Akio Takatsu, Yoshinori Suzuki
Life of this patent
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Abstract
Disclosed are a flexible wiring board in which the thickness of at least one part of the insulating film support to be bent in actual use of the board is made thinner than that of the other parts of it and the surfaces of the conductive patterns containing the part to be bent are covered each with a silicone rubber coveray, and a method of preparing the board. The board has sufficient flexibility enough to be well bent at the determined part in actual use thereof with ensuring the reliability of connection at the bent part.
Claims5
A flexible wiring board composed of a flexible insulating support film having opposite first and second sides and plural wiring patterns on said first side thereof, said insulating support film having a thickness in one part to be bent in use thereof which is thinner than that in other parts thereof, and a silicone rubber cover layer covering the wiring patterns and said part to be bent.
Dependencies are inferred from the claim text.