CDM

ANSI/ESD S20.20 doesn’t mention hair, but the ESD Handbook ESD TR20.20 does. The general rule from ANSI/ESD S20.20 is in section 8.3. From ESD Handbook ESD TR20.20 mentions “human hair” is near the extreme end of the Triboelectric Series, so it can be high charging. But the above rule would apply; keep hair 12” away…

Read more Should dissipative hats be worn to protect ESD sensitive items from charges on hair?

An excerpt from Terry Welsher’s InCompliance article titled – The “Real” Cost of ESD Damage about using “split lot” experiments to determine the effectiveness of ESD control when manufacturing electronics. “At the time of the first EOS/ESD symposium in 1979 there were few mature ESD programs, but many companies were trying to establish them. Some of…

Read more Early Split-lot Experiments Helped Prove the Need for ESD Control Programs

Originally Published by InCompliance Magazine- September 2012 Now is the Time for ESD Control Programs to be Improved ““Factory ESD control is expected to play an ever-increasing critical role as the industry is flooded with even more HBM (Human Body Model) and CDM (Charged Device Model) sensitive designs.”” “By Fred Tenzer and Gene Felder” ElectroStatic Discharge…

Read more Now is the Time for ESD Control Programs to be Improved