AL-etchant : Al-etchant Type A , HCE-A100 ,APAL-1

Au(gold)-etchant : Gold/silver etchant TFA ,HCE-G100 ,GME-C50

Cu(copper)-etchant : APCU-2

Cr- etchant : Cr-7 ,ETCR-400

ITO-etchant : LCE-12 , HD-113 ,AP-KIT

Ni-etchant : APNI-3

Ti (Titanium)-etchant

W (Tungsten)-etchant

BOE (buffer oxide etchant)…..