Inspectors know have bad board, to the small quantity of board for heavy inspection, to follow the confirmation OQC.
檢驗員知道有不良板少數量，要對整批板子進行重檢，OQC要跟蹤確認。
Incoming quality control (IQC), In-process quality control (IPQC), Final quality control (FQC), Outgoing quality control (OQC),First Article Verification(FAV)
