PCB etching instructions: Difference between revisions

PCB etching instructions (view source)

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 === 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
+Both Electrolube PRP + Kontakt Chemie Positiv work 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 (not NaOH) developer.
 === UV Exposure ===