Patent ID: 6808947
Filing Date: 2004-10-26
Classification: H01L,Y10T

Abstract:
An assembly method for attaching a semiconductor die and a substrate having a plurality of die attach sites on a surface thereof comprising:mapping said plurality of die attach sites on said mounting substrate; determining good die attach sites; determining defective die attach sites on said substrate; storing information for good die attach sites and defective die attach sites of said mounting substrate in an electronic file for access therefrom; accessing said information for at least one good die attach site on said substrate; accessing said information for at least one defective die attach site on said substrate; attaching at least one semiconductor die to said mounting substrate using said information by one of attaching a known good die to a good die attach site of said good die attach sites; and attaching a known defective die to a defective die attach site of said defective die attach sites.