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Investigation of multilayer printed circuit board (PCB) film warpage using viscoelastic properties measured by a vibration test, Joo, Sung-Jun, Park, Buhm, Kim, Do-Hyoung, Kwak, Dong-Ok, Song, In-Sang, Park, Junhong, Kim, Hak-Sung
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Joo et al. (2015) studied this question.
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