Patent ID: 6941648
Filing Date: 2005-09-13
Classification: H05K,Y10S,Y10T

Abstract:
1. A method for producing a printed wiring board comprising the steps of: forming a rigid substrate including a core material, said core material having a first core material surface and a second core material surface, said second core material surface being opposite to said first core material surface; forming a first land on said first core material surface; forming a flexible substrate including a bump, said flexible substrate having a metal layer, said metal layer having a first metal layer surface and a second metal layer surface, said second metal layer surface being opposite to said first metal layer surface; etching said first metal layer surface to form an etched portion of said metal layer; forming a first insulating layer within said etched portion of said metal layer, said bump being a portion of said metal layer that extends through said first insulating layer; and contacting said first land to said bump.