> Adam wrote: > > Positive resists use a much stronger > alkaline developer, like 1% NaOH or > Na2SO3. Negative dryfilm resist require > a much gentler alkaline like 1% Na2CO3. > I gave up on positive resists years > ago, but been told silicate is much > easer to use than the hydroxide. OK - so the stuff I buy from them is just Na2CO3. Will give some stuff from the super market a try then.
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Re: Newbie questions
2007-04-12 by Andrew