
etch
/etʃ/
the selective removal of material layers from a wafer to define circuit features
“Plasma etching carved the narrow trenches between transistors with atomic precision.”
Origin: Dutch etsen from German ätzen to corrode

/etʃ/
the selective removal of material layers from a wafer to define circuit features
“Plasma etching carved the narrow trenches between transistors with atomic precision.”
Origin: Dutch etsen from German ätzen to corrode