Assertion: printed circuit board | /r/MadeOf | layer
Facets:
value: from two to a dozen
type: OTHER
value: from more
type: OTHER
Source sentences:
text: The printed circuit board (PCB) is made of layers, from two to a dozen or more, that interconnect components via copper pathways.
text: As noted before in the beginning of this article, the printed circuit boards can be made of several layers.