delayer:lapping
Differences
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delayer:lapping [2018/09/20 16:18] – [References] mcmaster | delayer:lapping [2019/06/26 14:18] (current) – [mcmaster notes] mcmaster | ||
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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: [[: | ||
+ | |||
+ | ====== 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 ====== | ||
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* [[https:// | * [[https:// | ||
* https:// | * https:// | ||
+ | * Single Die ' | ||
+ | * Tony Moor, with support from Gatan (Eli Malyanker, Efrat Raz-Moyal) | ||
* Talks about sacrificial dies and other issues | * Talks about sacrificial dies and other issues | ||
* Professional equipment | * Professional equipment | ||
delayer/lapping.1537460304.txt.gz · Last modified: 2018/09/20 16:18 by mcmaster