974 Centre Road
Wilmington, DE 19805
(800) 345-9999

455 Forest Street
Marlborough, MA 01752
(508) 481-7950
INSULECTRO is the distributor for this and other DuPont Electronic Solutions products.


Standard dry film compatible with pure tin

LAMINAR E9220 dry film photoresist processes deliver consistently higher innerlayer yields, with excellent adhesion and conformance in printed circuit board material.

Key Features
  • Capable of 1-to-1 resolution
  • Excellent performance in gold plating
  • Good donut and isolated resist adhesion
  • New! 2.5 mil (63μ) and 3.0 mil (75μ) thicknesses for heavy plating and special applications

  • Consistently high yielding innerlayer film
  • Improved conformance and adhesion
  • Excellent alkaline and acid etch resistance
  • Extremely wide process window
  • Excellent resolution capability

DuPont Electronic Solutions provides a comprehensive range of dry film photoresists for innerlayer and outerlayer applications. Resist technology covers acid and alkali resistant products and films designed for tenting, etching and plating processes for conventional printed circuits and chip packaging technology.