Invention Grant
US07226296B2 Ball grid array contacts with spring action 失效
球栅阵列接触弹簧动作

Ball grid array contacts with spring action
Abstract:
An electrical contact for a ball grid array connector is disclosed for providing improved solder ball connection with a substrate. The contacts may be compressed, enabling solder balls of the connector to abut with the substrate prior to reflow. During reflow, the compression may be relieved by the contact extending further into the solder ball, returning the contact to an uncompressed state.
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