Patent ID: 7449099
Filing Date: 2008-11-11
Classification: H05K

Abstract:
1. A method of forming a metal structure in an electronic device, comprising processes of: applying a non-plateable layer to a workpiece; removing a first portion of said non-plateable layer to form a first plating region and a first non-plating region on said workpiece; then using first deposition processes to deposit metal onto said workpiece to form a raised field region in said first plating region and a recessed region in said first non-plating region; removing at least a second portion of said non-plateable layer from said recessed region after said first deposition processes and before said applying said accelerator film; then globally applying an accelerator film on said workpiece; then selectively removing a portion of said accelerator film from at least a portion of said raised field region and not removing at least a portion of said accelerator film in said recessed region, thereby forming a non-activated region in said raised field region and an acceleration region in said recessed region; and then using second deposition processes to deposit metal on said workpiece, wherein said accelerator film in said acceleration region increases a rate of metal deposition in said acceleration region relative to a rate of metal deposition in said field region.