Patent ID: 7339262
Filing Date: 2008-03-04
Classification: H01L,H05K,Y10T

Abstract:
1. A tape circuit substrate for mounting an electronic device, comprising: an insulation film; a wiring pattern formed on said insulation film to define an electronic device-mounting region of said insulation film, including a ground electrode and electrically connected to an electronic device to be mounted on said electronic device-mounting region via a bump electrode; a ground electrode pattern including a primary pattern and a plurality of auxiliary patterns, wherein said ground electrode pattern is insulated from said wiring pattern except said ground electrode; said primary pattern is formed on the surface of said electronic device-mounting region to expose at least a portion of said electronic device-mounting region, wherein said primary pattern is connected to said ground electrode; said plurality of auxiliary patterns are connected to said primary pattern and extend out of said electronic device-mounting region; and said insulation film formed on the entire backside of said wiring pattern and said ground electrode pattern.