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View Single Post  Topic: Heatsink Lapping Guide 
Author Message
Niatross
Rated PG


PostPosted: Mon, 19 Jan 2004 13:35:05    Post Subject: Reply with quote

I've seen two views on lapping and was wondering if you've seen the one that theorizes that you shouldn't polish any finer than 600 to 800 grit. The theory is that with finer polishing there is a thin film of thermal interface material between the heatsink and core that atually prevents metal to core contact of any kind. The purpose of leaving the 600 to 800 grit scratches is so that the TIM fills the scratches and the high parts of the metal actually make direct contact with the core. I've seen this argued both ways and you seem part of the polishing group. Have you seen this and have you any thoughts on the subject? I personally don't know which is best
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