11.1.2. QE operator should pull out randomly visual and mechanical samples from the line by refer QE sampling plan per PMP requirement on each product. Exception for NPI Products which require mechanical sampling to be pulled before QST during 100% measurement requirement.
11.1.2.1. Visual samples must be pulled out from the last process (after QST or APAM) prior packing.
11.1.2.2. Mechanical samples must be pulled out after QST station except for pull test/peel test which is at USTB station or final bond station. Use QST failure or visual flexure related failure for destructive mechanical testing (e.g. swage torque test).