Printed circuit board having transmission lines with varying thicknesses
AssigneeNitto Denko Corporation
InventorsHiroshi Tahara, Seiju Kobayashi, Hitoshi Ohta
Life of this patent
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Abstract
A printed circuit board having juxtaposed thereon in parallel plural conductive paths, at least a part of which has a different length, extending from one end side to the other end side, wherein the electric resistances of the conductive paths are made substantially same by changing the width of at least a part of the conductive paths.
Claims14
A printed circuit board, comprising juxtaposed parallel plural conductive paths, at least a part of said paths having different lengths, said paths extending from one end side of said board to another side of said board, wherein said conductive paths have varying thickness.
The printed circuit board of claim, wherein said conductive paths are formed with a copper foil.
A cable for transmitting electric signals, comprising a printed circuit board, said printed circuit board comprising juxtaposed parallel plural conductive paths, at least a part of said paths having different lengths, said paths extending from one end side of said board to another side of said board, wherein said conductive paths have varying thickness.
The cable of 8, wherein said conductive paths are formed with a copper foil.
In a cable for transmitting electric signals, the improvement comprising the use of a printed circuit board comprising juxtaposed parallel plural conductive paths, at least a part of said paths having different lengths, said paths extending from one end side of said board to another side of said board, wherein said conductive paths have varying thickness.
Dependencies are inferred from the claim text.