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Best heat sink compound?

S

Spehro Pefhany

Jan 1, 1970
0
That is not anodizing. That is referred to as "chem-etch", or
"chem-film". Some versions have the appearance of an anodized piece.
Unless externally applied electric currents are involved, it is not
anodizing.


Err..of course the process involves externally applied currents, or it
would not be anodizing.

You prepare the surface and clean the part very well, anodize in an
electrolyte solution (the part to be anodized is, not surprisingly,
the positive side, and something like lead is the negative),
neutralize and rinse, then dye (if desired), and the pores are sealed
with another chemical in boiling water.

Some of the parts done in a home shop look pretty darn good- I
recently handled a telescope that a fellow made accessories for (in
preparation to chasing a solar eclipse into some gawdfersaken bit of
the globe) and it really looked professional. He told me he used an
pro aniline dye, but fabric dyes (eg. Rit) can work too.

Best regards,
Spehro Pefhany
 
J

John Fields

Jan 1, 1970
0
Thanks for the URL. I nearly always learn something from
another viewpoint, and I did this time also.
I have done the types I and II (successfully!).
What is the procedure for the type III?
 
J

John Woodgate

Jan 1, 1970
0
I read in sci.electronics.design that DarkMatter <DarkMatter@thebaratthe
endoftheuniverse.org> wrote (in <umtnsvk15sqpqmb8jrsciapsk41apf0eau@4ax.
com>) about 'Best heat sink compound?', on Mon, 1 Dec 2003:
You are both fucking nuts.

Let's hope they don't get cross-threaded, then.
 
J

John Larkin

Jan 1, 1970
0
I read in sci.electronics.design that DarkMatter <DarkMatter@thebaratthe
endoftheuniverse.org> wrote (in <umtnsvk15sqpqmb8jrsciapsk41apf0eau@4ax.
com>) about 'Best heat sink compound?', on Mon, 1 Dec 2003:

Let's hope they don't get cross-threaded, then.

Screw him.

John
 
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