Material that provides insulation between layers and rigidity to the board.
Minimum amount of copper thickness on external layers including material and plating.
Smallest drilled hole needed for this design.
Sides of the board to which a protective coating is applied to prevent solder bridging or oxidation of the copper.
Color of the protective soldermask. Standard color is green.
Desired level of inspection. Class 2 is standard.
The finish which covers exposed copper areas of the board.
Determined by Copper Weight (Outer). Example: construction of 2 oz outer will require 1 oz inner.
Determines whether boards will be individually routed or delivered in an array.
Sides of the board to which silkscreen shall be applied for component placement.
Color of the protective silkscreen. Standard color is white.