Metrology/inspection equipment is critical to assuring high yields during semiconductor manufacturing. Metrology systems are used to measure parameters such as thin film thickness or linewidths, and inspection systems are used to detect defects and monitor abnormalities in production.
I discussed this sector in numerous Seeking Alpha articles, the most recent of which was a week ago in my November 10, 2019 article entitled "KLA: Strong Metrology/Inspection Performance As Onto Innovation Slumps."
In that article, I analyzed revenue performance of the pure-play companies through nine months of 2019. I dove further into the revenue