This part of IEC 62496 defines the performance of flexible optical circuit boards (FOCBs) using unconnectorized optical glass fibres for controlled environment. This standard clarifies the requirements for quality classification of the flexible OCBs incorporating optical glass fibres.
IEC 62496-3-1:2009 history
2009IEC 62496-3-1:2009 Optical circuit boards - Part 3-1: Performance standard - Flexible optical circuit boards using unconnectorized optical glass fibres