TY - GEN AU - Ehrstein, James R C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1980-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.80-2158 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1980 TI - Some considerations regarding film thickness standards for the semiconductor industry: ER -