Plastics
are not normally thought of as substrates for dicing because of
their softness. However laminates of ceramics or metals and Kapton
for example may require diamond machining. Two critical issues
that require expertise in processing are mounting the substrate
and avoidance of stringers. Since many plastics don’t adhere well
to dicing tape or wax, the engineer must plan for appropriate
fixturing. Plastic stringers can form if the dicing parameters
are not carefully investigated. Discuss your project in its early
stages with the engineers at Precision Surface Technology to avoid
difficult problems later.
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