Patent ID: 8047874

Claim:
A high-density connector for high-speed transmission that makes a connection between electrical components, the connector comprising: a female connector having a connector body formed with a plurality of contact accommodating concave portions, and a plurality of female contacts that are pressed into and held in the contact accommodating concave portions; and a male connector having a connector body formed with a plurality of slits, and a plurality of male contacts that are pressed into and held in the slits, wherein: each of said plurality of male contacts is formed from a metal sheet that is punched out in an L shape, and includes: a contact portion that extends in a vertical direction; a fixing portion that is orthogonal to a lower end of the contact portion at one end thereof, and extends in a horizontal direction; a terminal portion that extends downward from a central portion in the horizontal direction of the fixing portion; and a solder ball welded to a front surface or a back surface of the terminal portion, said female contacts are arranged in zigzag in a plurality of rows such that adjacent female contacts in a front-back direction are diagonally positioned to each other, said male contacts to be connected to said female contacts are arranged in zigzag in a plurality of rows corresponding to the arrangement of said female contacts, and among the rows of said female contacts arranged in zigzag, two adjacent rows in the front-back direction are rows of a pair of signal line contacts, and one row on either side in the front-back direction of the rows of the pair of signal line contacts is a row of a ground contact.