Author:Moodley, SS; Van der Berg, W; Veldman, CSDate:Apr 2003The CSIR - NML (Council for Scientific and Industrial Research, National Metrology Laboratory) of South Africa, manufactured a 10-pF ultra-low expansion quartz capacitors in the early 1970s. Although the capacitors were extremely stable and ...Read more
Author:Veldman, CSDate:2003An implementation of the sine-approximation method of ISO 16063-11 (primary vibration calibration by laser interferometry) is described. The quadrature interference signals are generated using an interferometer as described in method 3 of ISO ...Read more