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Optimum Design of Printed Circuit Board for Warp Reduction in Reflow Process
Transactions of the Japan Society of Mechanical Engineers Series C
A printed circuit board (PCB) is equipped with electronic devices. PCB is a laminate composite made of copper and resin. Electronic circuit in PCB is made of copper. PCB is heated in a furnace in order to fix electronic devices. This process is called a reflow process. PCB deforms in a reflow process by thermal extension difference between copper and resin. An analytical model was proposed to calculate deformation of PCB. Laminate mechanical model and micro mechanical model were used in thedoi:10.1299/kikaic.72.2021 fatcat:h3nkjkm3efe2tjqbewqbyz3nbm