Patent ID: 7413995
Filing Date: 2008-08-19
Classification: H01L,H05K

Abstract:
1. A method, comprising: forming an interposer including etching in a first etching an electrically conductive member to form a plurality of electrically conductive columnar interconnects defined by etched interstices between columnar interconnects wherein each columnar interconnect has at least a first end, forming a supporting body around said columnar interconnects, and in a second etching, etching said member wherein each columnar interconnect further has a second end distal of said first end; bonding said first end of each columnar interconnect supported by said body to a conductive contact of a first element selected from a group consisting of an integrated circuit package, an integrated circuit die, a substrate for an integrated circuit; and after said first end bonding, bonding said second end of each columnar interconnect to a conductive contact of a second element selected from a group consisting of an integrated circuit package, an integrated circuit die, a substrate for an integrated circuit wherein said supporting body forming includes forming a rigid supporting body around said columnar interconnects by dispensing a polymer into at least some of said interstices of said interposer between said columnar interconnects and curing said dispensed polymer to harden said polymer to form said rigid supporting body.