Page 19 - PCMI Journal December 2021
P. 19
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Pre-Treatment – Preparation of Metal Surface
Sean Hill, Product Manager, Eternal Technology Corporation
Surface Preparation Sources of surface contaminations:
! Grease, organics, oils
! Fingerprints – poor handling
! Chromate conversion coatings
! Release agents
! Severe Oxidation / Spots / Streaks ! Residues
! Moisture
! Epoxy spots
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8/31/21
Surface Preparation
Copper clad - as received
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10
Issue 138 December 2021 PCMI Journal 19
5
