... Legend (Silk screen) Height: 30milMin. drilling slot size: 0.6mmSolder mask color: green, black, blue, white, yellow, purple, and ... matt, etc.Solder mask hardness: 6HLegend/Silk screen Color: white, yellow, black, etc. ... tin, Immersion silver, etc.Other Technology: Gold finger, peelable mask, Non-across blind/buried vias, characteristic impedance control, Rigid- ...