Definitions for "Etchant"
Solution used to remove copper from non-circuit areas on printed circuit boards.
In printed wiring board manufacture, a chiical that oxidizes metallic copper. Etchants are used to riove relatively thick layers (0.7 to 2.8 or more mils) of copper.
A solution for chemical etching the polished surface of a metal specimen to reveal macro- or micro-structures.
The chemical milling etchant involved with photo etching a component.