The mold -type surface used for semiconductor packaging requires an ascetic surface that is as close as possible to the mirror surface. By EDM processing, we have realized a mirror surface of 0.5 μRz (0.7 μRY) of the semiconductor package part 30mm square.
■ Rohm Mecatech's technology used in state -of -the -art digital devices
Rohm Mecatech's technology is used in state -of -the -art digital devices such as mobile phones, digital cameras, DVD players, cars, and medical care.
■ Characteristics
It is a mold used to packaging the semiconductor with resin, and can create a good blockage even if the mold is tightened with the minimum force based on the excellent plane and surface roughness processing technology.
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