Hi Dr.Smith!
Blakening process means black oxide prcocess.
Braun process means brown oxide process.
Electrolytic plating process  I think Electroless plating process is correct.
This process is also one of the  adhesion promoting copper surface treatment
 for multilayer bonding. Electroless copper plating or electroless Ni plating
are used instead of black or brown copper oxide.
Copper oxide reduction process has developed to prevent "Pink Ring".
CuO is reducing to Cu or Cu2O by reducing agent "DMAB". DMAB:Dimethyl Amine Borane
Electroless copper platig process is also "Non Pink Ring" process.
Regards,
Motoyo Wajima
General Purpose Computer Division,Hitachi Ltd.(Japan)

Dr. Warren Smith  $B$5$s$O=q$-$^$7$? (B:
>Yet another question from your friendly neighborhood Japanese translator...
>
>In this test I am translating, there is a question I have translated as
>follows:
>
>7. Which of the following is not appropriate as an inner-layer pattern
>surface treatment method?
>     i. Blackening process
>     ii. Braun process
>    iii Electrolytic plating process
>    iv. Copper oxide reduction process
>
>
>My questions are as follows: 1) Is it "Braun" or "Brown" for ii. 2) What is
>the blackening (or darkening) process?
>
>Thanks!
>
>Warren
>
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***********************************************
Motoyo Wajima
General Purpose Computer Division,Hitachi,Ltd.
1 Horiyamashita
Hadano-shi,Kanagawa-ken,259-13 Japan
E-mail:[log in to unmask]
Fax:+81-463-88-2935
***********************************************

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