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| decap:epoxy_acid [2020/09/07 22:06] – mcmaster | decap:epoxy_acid [2021/12/29 20:01] – mcmaster | ||
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| Above: HSS endmills are relatively inexpensive (above were about $3 each) and work reasonably well. They may be a better option than more expensive endmills that last slightly longer | Above: HSS endmills are relatively inexpensive (above were about $3 each) and work reasonably well. They may be a better option than more expensive endmills that last slightly longer | ||
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| + | 2021-12-29: McMaster has recently been using RFNA (instead of WFNA) which seems to be much faster on epoxy. Fast enough that I'm no longer pre-milling chips. This tends to be faster overall and removes risks of milling (damaging bond wires, etc) | ||
| General recommendation for pre-milling packages | General recommendation for pre-milling packages | ||