Patent ID: 6105851
Filing Date: 2000-08-22
Classification: B23K,H01L,H05K

Abstract:
A method of casting I/O columns on I/O pads of an electronic component; said method including the steps:providing a template with casting holes that match said I/O pads, and with pin holes that are interspersed among said casting holes;placing said template on said component such that said casting holes align with said I/O pads;covering said template with a mask that exposes said casting holes but blocks said pin holes;filing the exposed casting holes in said template, and not said blocked pin holes, with a solid metallic material;melting and re-solidifying said metallic material in said casting holes to thereby form said I/O columns on said I/O pads; and thereafter,exposing said pin holes by removing said mask from said template; and,separating said component, with said I/O columns attached thereto, from said template by pushing on said component with pins that are passed through said pin holes.