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Is This A Good Lap

post #1 of 10
Thread Starter 
Is this good enough,looks good to me.Smooth as a babies butt & shiny too
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post #2 of 10
It does like nice...but is it flat? That's the main reason for lapping...to ensure that the two surfaces (HS & IHS) mate together as much as possible.
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post #3 of 10
I'm not sure about some people but to make sure my lappings are flat,
I take a box cutter blade, place a flashlight behind it and make sure that no light passes through between the lapped surface and blade. I am careful that I don't scratch the surface.
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post #4 of 10
The light under a blade method works good! But most people think the "official" way is to print out some graph paper. If your HS has some uneven parts then the lines reflected off of it will bend one way or the other.

IMHO, if your temps improve then you did a good job!
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post #5 of 10
Thread Starter 
Re:Well i went to autozone & bought some wet/dry 2000 grit sand paper,& worker on the cpu & the heatsink.& yes the surface's are flat.Here are some pic's:

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post #6 of 10
also a good test go up to a screen door, and look at the reflection of the screen. the perfect squares on the screen should be reflected perfectly if they are flat. you will see distortion if it is not entirely flat.
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post #7 of 10
Quote:
Originally Posted by mnishimura00 View Post
also a good test go up to a screen door, and look at the reflection of the screen. the perfect squares on the screen should be reflected perfectly if they are flat. you will see distortion if it is not entirely flat.
First you would want to be sure the screen in the door is stretched perfectly tight and straight, and there are numerous factors that can make this method not 100% effective.
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post #8 of 10
Use graphing paper, or just print one out.
    
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post #9 of 10
If you have a laser point it over the heatsink untill you see a line, if the link goes across unbroken then you have a very flat heatsink. I will post a picture in a sec.


Edited by Darkknight512 - 8/6/08 at 9:23am
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post #10 of 10
I don't believe we'd ever get a flat surfice by human hand...done serveral laps now always use the grap paper method they have always been flat enough for me!
Its never enough
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Its never enough
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