Patent ID: 6449836
Filing Date: 2002-09-17
Classification: H05K,Y10T

Abstract:
A method for interconnecting printed circuit boards, comprising:preparing a first printed circuit board having an insulating substrate made of a thermoplastic resin and having a conductive pattern with a land, and a second printed circuit board having a conductive pattern with a land; overlapping the land of the first printed circuit board with the land of the second printed circuit board to form an interconnection portion of the first printed circuit board and the second printed circuit board; heating the interconnection portion to a temperature approximately higher than a glass transition temperature of the thermoplastic resin while applying a pressure to the interconnection portion to electrically interconnect the land of the first printed circuit board with the land of the second printed circuit board; and softening and deforming a part of the thermoplastic resin forming the insulating substrate of the first printed circuit board to cover and seal the electrical interconnection portion.