Patent ID: 9307634
Filing Date: 2016-04-05
CPC Classification: G03G,H05K

Claim Text:
1. A circuit board for supplying power to a unit in an apparatus through a contact member of a line connected to the unit, said circuit board comprising: a contact including at least three copper foil patterns connected to a center portion and extending radially from the center portion with constant spaces between two adjacent copper foil patterns, each of the at least three copper foil patterns having a predetermined width, and the center of the contact including a center area in which no solder is applied, wherein one of the at least three copper foil patterns is connected to a signal pattern of a high-voltage circuit, wherein solder is applied on portions respectively in the at least three copper foil patterns, each of the portions being away from the center portion of the contact, and wherein the contact member contacts at least one of the portions in the at least three copper foil patterns and does not contact the center area.