Sub-micron lithography was also an inflection point in the discourse, even if it was an irrelevant threshold to physicists. https://books.google.com/ngrams/gra

Sub-micron lithography was also an inflection point in the discourse, even if it was an irrelevant threshold to physicists. https://books.google.com/ngrams/graph?content=submicron+lithography&year_start=1800&year_end=2019&corpus=en-2019&smoothing=3 https://books.google.com/ngrams/graph?content=submicron+lith...