Abstract: Polyimide cracking is a significant reliability challenge when packing a Wafer-Level Chip Packaging (WLCSP) on substrate with normal flip chip process. In this study, 3-layer WLCSPs were ...
Abstract: A coffee roasting plays an important role in determining the taste of coffee. The process consists of drying, browning, first crack, roast development, and second crack. The first crack is a ...
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