Peelable solder mask is a kind flexible solder mask for area need to be protected during soldering processing,this kind of ink is anti-soldering and could prevent pollution and scratches,it can remain on the protected area of the board until ready for test, and then can easily be peeled away by hand or tools without leaving a residue. If you have access to any electronics devices - you will see that the copper circuit is actually protected by a greenish lacquer like layer - this is the soldermask. Soldermask is the greenish film covering most of the copper area except the pads. Using upload file button before add to cart What's the difference between "mm" and "inch" for length?ġmmm=0.039inch, 2mmm=0.078inch, and so onġ. What's the difference between "μm" and "oz" for copper weight? It uses a water based organic compound that selectively bonds to copper and provides an organometallic layer that protects the Copper for Soldering. OSP, an abbreviation for Organic Solderability Preservative, it is a method for Printed circuit board Plating.
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