How is LPI Solder Mask Applied?

What is LPI Solder Mask? Liquid photoimageable (LPI) solder mask is a photosensitive polymer coating applied to printed circuit boards (PCBs) to protect the copper traces, prevent solder bridges, and provide electrical insulation. LPI solder mask selectively covers the areas of the PCB where components will not be soldered, while Read more…

What is Peelable Soldermask?

How Does Peelable Soldermask Work? Peelable soldermask is typically made of a latex-based or synthetic rubber material that is applied in liquid form and then cured to create a solid, yet flexible coating over the PCB surface. The key characteristics of PSM are: Thermal stability: Withstands high temperatures during soldering Read more…

What is a PCB Test Coupon?

Why Are PCB Test Coupons Important? PCB test coupons play a crucial role in ensuring the quality and reliability of the final PCB product. By including test coupons in the manufacturing process, PCB fabricators can: Monitor Process Consistency: Test coupons help manufacturers ensure that their production processes remain consistent and Read more…