lapped ww

lilneel12 · Jun 10, 2004

i just lapped my ww and i just realized that the middle of the base is just a bit concave compaired to the edges, it is barely there. I mean i can notice it once i put an edge up to it, but will it matter, casue i just finished lapping and i don't want to go back to 400 grit and do it all again
thanks

Ri0 · Jun 10, 2004

Yes it will matter. Think of thermal paste filling in micro pores to improve cooling and now you are talking about a concave section on your WW.

Why oh why do people have the notion that lapping for a shiny surface means it will be flat?

Soja · Jun 11, 2004

Yes it does matter. Try some lower grit to speed up the process.

lilneel12 · Jun 11, 2004

yea, i just finshed doing it again

the very outer edges are a bit curved out, but i made sure that the inner square where the cpu will sit is flat and it is. so is that ok then
thanks

slater3333uk · Jun 11, 2004

Concave is unusal. are you lapping on a flat surface?

lilneel12 · Jun 11, 2004

wait, stupid me, i actually meant convex(the middle is popping out more than the sides)
yea i was using a piece of glass

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