We, the Korea Research Institute of Standards and Science (KRISS)
mass laboratory, study the adsorption effect of the weight and the
surface of silicon (Si) by using an ultra-precision mass comparator
operated in vacuum and in air. Si sorption artifac...
We, the Korea Research Institute of Standards and Science (KRISS)
mass laboratory, study the adsorption effect of the weight and the
surface of silicon (Si) by using an ultra-precision mass comparator
operated in vacuum and in air. Si sorption artifacts (SAs) are
fabricated, and the dimension and roughness are measured.
Preliminary experiments are carried out in vacuum and in air. We
examine the adsorption mass measurement of 1-kg Si sphere (Si-S), SA
cylinder (SA-C), and SA disks (SA-D).