Domestic round-robin tests in Japan for about 40 years

Katuo Seta; Yasushi Ishii; Hirokazu Matsumoto

doi:10.1117/12.323119

30 September 1998 Domestic round-robin tests in Japan for about 40 years

Katuo Seta, Yasushi Ishii, Hirokazu Matsumoto

Proceedings Volume 3477, Recent Developments in Optical Gauge Block Metrology; (1998) https://doi.org/10.1117/12.323119
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

The domestic round-robin testing for interferometric length measurements of gauge blocks was initiated in 1960 in Japan, to evaluate and also to improve the proficiency of calibration laboratories. It had been arranged by the National Research Laboratory of Metrology (NRLM) and Japan Precision Measuring Instrument Association 16 times prior to 1992. A 100 mm gauge block was used as the test object on each occasion and measurement result of the NRLM was used as the reference value. When the difference between the result of each laboratory and the NRLM was larger than 30 nm, the laboratory repeated the measurement and the reason for the discrepancy was investigated. About 10 laboratories, including those of local governments, private companies and semigovernment organizations, participated regularly and many of them maintained their proficiency in the measurement of gauge blocks.

Citation Download Citation

Katuo Seta, Yasushi Ishii, and Hirokazu Matsumoto "Domestic round-robin tests in Japan for about 40 years", Proc. SPIE 3477, Recent Developments in Optical Gauge Block Metrology, (30 September 1998); https://doi.org/10.1117/12.323119

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available