WIRING BOARD, ELECTRIC PARTS, AND ELECTRIC CIRCUIT DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a structure which enables chip parts to be mounted on an object at a high yield. SOLUTION: The lengths between both ends of paired electrode pads 3a and 3b are set equally to or shorter than the length between both ends of the chip parts. In addition, the widths of the pads 3a and 3b are set larger than that of the chips by >=0.1 mm.