A concentricity measurement method for large forgings based on laser ranging principle
Sign Up to like & getrecommendations! Published in 2019 at "Measurement"
DOI: 10.1016/j.measurement.2019.07.066
Abstract: Abstract In the forging process of large forgings, the concentricity between forging billets and upsetting rod or piercing rod has an important influence on the forging accuracy and forging quality. Therefore, a concentricity measurement method… read more here.
Keywords: measurement method; concentricity; method; concentricity measurement ... See more keywords
Micro vision-based measurement of concentricity for both TO base and active area of a APD chip in optical component packaging.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.469170
Abstract: The avalanche photodiode (APD) chip is the core component of the transistor outline (TO). The concentricity between the inner circle (IC) of the APD active area and the outer circle (OC) of the TO base… read more here.
Keywords: apd chip; component; active area; concentricity ... See more keywords