[ Problem Point ]
The hydrophilicity of the resin was not good.
[ ⇒Kaizen Point ]
Gas was brought into contact with the resin and irradiated with a halogen line heater.
A synthetic thin film was formed on the surface, and hydrophilicity was improved.
Related page:
No.12 UV surface modification of the resin printed board 
Basic knowledge of Resin heating 3.The kind of resin -8 Liquid resin 
No.48 Molecular alignment of the resin film sheet 
No.8 Dryness of resin pellet 
No.7 Curing of the epoxy resin 
No.1 Irradiation to ultraviolet curable resin 
No.1 Pinpoint heating of resin 
No.9 Preheat of resin press