Micro vision-based measurement of concentricity for both TO base and active area of a APD chip in optical component packaging.
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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