Dip-coating

Dip coating refers to the immersing of a substrate into a tank containing coating material, removing the piece from the tank, and allowing it to drain. The coated piece can then be dried by force-drying or baking. It is a popular way of creating thin film coated materials along with the spin coating procedure.

Additional recommended knowledge

What is the Correct Way to Check Repeatability in Balances?

Guide to balance cleaning: 8 simple steps

Correct Test Weight Handling Guide: 12 Practical Tips

Stages of dip coating

The dip coating process can be, generally, separated into three stages:

• Immersion: the substrate is immersed in the solution of the coating material at a constant speed preferably judder free.
• Dwell time: the substrate remains fully immersed and motionless to allow for the coating material to apply itself to the substrate
• Withdrawal: the substrate is withdrawn, again at a constant speed to avoid any judders. The faster the substrate is withdrawn from the tank the thicker the coating material that will be applied to the board.