[ Problem Point ]
Heat resistance is required to protect a golden terminal from cream solder.
[ Kaizen Point ]
The Toughtape was used and masked.
It is improvement in reliability at sufficient heat resistance.
Related page:
No.16 Soldering of printed circuit board 
No.29 Preheating of printed circuit board 
No.4 Reflow of printed circuit boards 
No.1 Soldering of printed circuit boards 
No.75 Aging of Printed Circuit Board 
No.2 Preheating of the printed circuit board 
No.15 Printed circuit board cooling 
No.12 Cold air cooling of Mounted printed circuit board