etch
/etʃ/
the selective removal of material layers from a wafer to define circuit features
etch in a sentence
“Plasma etching carved the narrow trenches between transistors with atomic precision.”
Origin of etch
Dutch etsen from German ätzen to corrode
Related Words
packaging
encasing a die in a protective housing with electrical connections to the outside world
thermal envelope
the maximum amount of heat a chip is designed to dissipate under sustained load, measured in watts
EDA
Electronic Design Automation; software tools used to design, simulate, and verify integrated circuits before manufacturing
reticle
the photomask containing one or more chip patterns, used in a stepper to expose those patterns onto a wafer
IDM
Integrated Device Manufacturer; a semiconductor company that both designs and manufactures its own chips
HBM
High Bandwidth Memory; a stacked DRAM technology that places memory dies directly atop or beside a processor for extreme data throughput