 Photrak ETAP240 SP innerlay resist for acid & alkaiETAP240 is a contact exposure, negative working photoimageable etch and plate resist, formulated for use as a cost effective alternative to dry film-resist in the manufacture of high density multi-layer printed circuit boards. It can be applied by screen-printing or air-spray and is suitable for use with alkali and acid etchant solutions and plating solutions. After etching or plating it is easily removed in a sodium hydroxide solution or proprietary resist strippers. Back |
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