• M.G. Chemicals 418-500ml
Positive Developer
$18.95
• For removing exposed resist during the positive photofabrication process
• Concentrated formulation – dilute one part developer to ten parts water
• Made in Canada
2 in stock
SKU: 418-500ml
Category: prototyping & circuit repair
Weight | 1.32 lbs |
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orvilleproctor –
used in the process of making PC boards…the store carries circuit boards that are pre-coated with positive photo resist. this positive resist is protecting the underlying copper from being “etched away.” during an exposure process light shines onto select areas of the board thru a “photomask.” this light will chemically cause positive resist (this example) to soften and allow this positive developer to dissolve and rinse away the protective resist. this exposed copper will then be “eaten away” leaving behind a board with areas of no copper, and a circuit or pattern that will match the pattern of black lines on the photomask… stop in and pick up a guide to making your own PC boards…