ER-8 Negative Type Photo Etch Developer

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The Datak ER-8 is a chemical used to develop printed circuit boards using the "negative" method of production.

It is used to develop printed circuit boards after they have been coated with negative photo resist and exposed to artwork and UV light.

This developer will develop the ER-71 Negative Acting Resist; resist areas not hardened via UV light are dissolved away. UV hardened areas remain to resist the etchant.

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