delayer:lapping
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| delayer:lapping [2018/09/20 16:21] – [References] mcmaster | delayer:lapping [2025/08/04 21:23] (current) – external edit 127.0.0.1 | ||
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| Slightly a step up is to use a machine without a jig. Some notes: [[: | Slightly a step up is to use a machine without a jig. Some notes: [[: | ||
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| + | ====== mcmaster notes ====== | ||
| + | |||
| + | 900 g Al round block | ||
| + | * P180 / 80 um used SiC: 140 mm3 / sec @ speed 3 | ||
| + | * 460 - 423 = 37 um / min | ||
| + | * 5.3 x 11.0 mm = 58.3 mm2 | ||
| + | * 37 * 4 * 58.3 = 8628.4 mm3 / min | ||
| + | * One die fractured after just one minute | ||
| + | * Probably too aggressive to use in practice | ||
| + | * 30 um new AO: 6.2 mm3 / sec @ speed 3 | ||
| + | * Same area as above | ||
| + | * 1.6 um / min | ||
| + | * 1.6 * 4 * 58.3 = 373 mm3 / min | ||
| + | |||
| + | Removing pads | ||
| + | * 300 F optimal | ||
| + | * By 350F glue is too soft to come off in one piece | ||
| ====== References ====== | ====== References ====== | ||
delayer/lapping.1537460482.txt.gz · Last modified: 2018/09/20 16:21 by mcmaster