Patent ID: 7625215

Claim:
A circuit board connecting structure comprising: a first circuit board including obverse and reverse sides and a first pattern of conductors on the obverse side; a second circuit board including obverse and reverse sides and a first pattern of conductors on the obverse side; and a connector having opposed first and second insertion openings respectively receiving ends of the first and second circuit boards, the connector including first connector pins on a first inner wall of the first insertion opening and second connector pins on a first inner wall of the second insertion opening, electrically connected to the first connector pins by coplanar lines impedance matched to the first patterns of conductors on the obverse sides of the first and second circuit boards and electrically connecting the first patterns of conductors of the first and second circuit boards together, wherein the first patterns of conductors of the first and second circuit boards include first contact portions contacted by the first and second connector pins, respectively, and the first contact portions are alternating signal lines and ground lines defining coplanar lines.