Method and structure that prevent thermal expansion-caused distortion in printed circuit board (PCB) and wafer jointing process
The invention relates to a method and structure that prevent thermal expansion-caused distortions in a printed circuit board (PCB) and wafer jointing process; the method comprises the following steps:A, preparing a wafer, gluing the bottom of the wafer on a first gluing sheet; B, attaching a PCB on...
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Format: | Patent |
Sprache: | chi ; eng |
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