Patent ID: 7252540

Claim:
An electrical connector for electrically connecting a first connection object and a second connection object through a plurality of contacts held by a housing, wherein: the housing comprises a front housing adapted to receive the first connection object and a rear housing coupled to the front housing in a first direction and adapted to receive the second connection object; the contacts have front contacting portions placed in the front housing and rear contacting portions placed in the rear housing and include a first signal contact, a second signal contact, a first ground contact, and a second ground contact; the front contacting portions of the first signal contact and the first ground contact are arranged on a first row extending in a second direction perpendicular to the first direction; the front contacting portions of the second signal contact and the second ground contact are arranged on a second row which extends in the second direction and is spaced from the first row in a third direction perpendicular to the first and the second directions; the rear contacting portions of the first signal contact, the second signal contact, and the first ground contact are arranged on a third row extending in the second direction; and the rear contacting portion of the second ground contact is arranged on a fourth row which extends in the second direction and is spaced from the third row in the third direction, so as to contact to a solid ground conductor layer thickly formed on a surface of the second connection object; and the rear contacting portions of the first signal contacts and the rear contacting portions of the second signal contacts are faced to the rear contacting portions of the second ground contacts through the solid ground conductor layer in the third direction.