Homebrew PCBs

On Thu, 15 Mar 2012 23:09:47 -0000, you wrote:

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>--- In Homebrew_PCBs@yahoogroups.com, "sailingto" <sailingtoo@...> wrote:
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>> Does anyone have problems getting large ground plane areas to stay good 'n solid with copper?  I've been having a bit of problem with large ground plane areas using toner transfer method.  If I do a board without a large ground plane, the traces look good - trace size ranges from .015" to .050" or so.
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>> I clean copper good, wash with alcohol.  Toner transfer at 360\ufffdF with a laminator using Pulsar toner transfer paper, then etch in HCl and H2O2.  I used the green film last board and it seems a bit better, but not sure about large areas yet.
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>> Just checking to see if anyone else has this problem, or maybe found a solution...... or maybe it's just me?
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>> Thanks for any guidance and suggestions.
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>> Ken H>
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>I thought the Green TRF from Pulsar is designed to fix this exact problem?

I suspect that it fixes pinholes, but we're talking *thin* here.  Not
sure that even green TRF will fix this....

Harvey