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PCB etching instructions: Difference between revisions
From London Hackspace Wiki
Added spray resist notes
(Added spray resist notes) |
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See also [[Project:PCB_Making#Double_sided_boards|Double sided boards]] | See also [[Project:PCB_Making#Double_sided_boards|Double sided boards]] | ||
=== Spray Resist === | |||
Both Electrolube PRP + Kontakt Chemie Positiv works well, with an exposure time of 6 mins. The board needs to be perfectly clean (superfine steel wool), and evenly + lightly sprayed. Note PRP often clogs its own nozzle and wastes most of the can. No such issue with Positiv. Both require the seno type developer | |||
=== UV Exposure === | === UV Exposure === | ||
