US Patent No. 9,345,133

PRINTED CIRCUIT BOARD AND METHOD OF MOUNTING COMPONENTS ON THE PRINTED CIRCUIT BOARD


Patent No. 9,345,133
Issue Date May 17, 2016
Title Printed Circuit Board And Method Of Mounting Components On The Printed Circuit Board
Inventorship Junnosuke Yokoyama, Tokyo (JP)
Assignee CANON KABUSHIKI KAISHA, Tokyo (JP)

Claim of US Patent No. 9,345,133

1. A printed circuit board on which a component having a plurality of terminals is to be mounted by using a reflow soldering
process, comprising:
wiring patterns that are arranged in correspondence with the plurality of terminals of the component and have a size which
is smaller in wiring patterns for terminals near a central portion of the component than in wiring patterns for terminals
near each end portion of the component,

wherein the wiring patterns for the terminals near each end portion of the component respectively have a larger dimension
in a direction perpendicular to a pitch direction than that of the wiring patterns for the terminals near the central portion
of the component.