PRINCIPALS:

Sigmatech (company website)

1. Thickness metrology solutions starting with low cost bench top systems  up to fully automated cassette to cassette tools
2. Thickness, bow and warp non contact measurement with patented back pressure sensing technology. 
3. Offering combination measuring technologies with IR

CI-Semi (company website)

1. In-line, real-time characterization and monitoring of chemical composition of liquids
2. Accurately measures the absorption spectrum in the near infrared (NIR) to monitor the chemical composition of liquids