QUALITY CONTROL
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HEATED CHEMICAL TEST
Description: HCT refers to putting the chip into a chemical reagent and heating it to a certain temperature, and peeling off the coating on the chip surface through the corrosiveness of the chemical reagent to verify whether there are wear marks on the chip surface, coating, retyping and other problems.
Scope of application: usually cooperate with visual inspection to verify and exclude refurbished goods.
Heating chemical test picture: