Page 18 - PCMI Journal December 2021
P. 18
Pre-Treatment – Preparation of Metal Surface
Sean Hill, Product Manager, Eternal Technology Corporation
7
8
8/31/21
Surface Preparation
Dry film adhesion characteristics are dependent on:
Dry film photo resist chemistry Surface chemical cleanliness Surface profile (topography)
Oxidation Panel #1
Panel #2
7
Moderate
Heavy
8
Issue 138 December 2021 PCMI Journal 18
4
