Color photoresist has strict requirements on the particle size of pigment paste, because the size and distribution of the particle size directly affect the resolution and imaging quality of the photoresist.
Black photoresist
The pigment particles are small and evenly distributed, which helps to improve the key properties of photoresist such as sensitivity, resolution, chemical corrosion resistance and adhesion.
PCB Photoresist
Using advanced grinding technology and sophisticated control systems, the particle size of pigment particles can be precisely controlled