PRE-MIXED METAL ETCHANTS • Chromium Etchants • Cleaning Solutions • E-Beam Process Chemistries • Photoresist Strippers • Positive Photoresist Developers • Pre-Mixed Metal Etchants Cyantek offers a wide range of pre-mixed solutions to etch various metals and metal alloys, including aluminum, copper, chrome, indium tin oxide, iron oxide, molybdenum, nickel, polysilicon and silicon dioxide. Metal Etchant Components Aluminum: AL-12S & others Phosphoric, Acetic, Nitric & Surfactant Copper: CU-5 PA-50 CR-4 Sulfuric and Peroxide Phosphoric, Acetic and Peroxide Cerium salt and Nitric Chrome: CR-7 & others CR-4 & others CR-14 & others Cerium Salt and Perchloric Cerium Salt and Nitric Cerium Salt and Acetic Indium Tin Oxide (ITO): LCE-10 & 12 Hydrochloric, Nitric & Ferric Chloride Iron Oxide: FE12CC11 & 13 Hydrochloric and Ferrous Chloride Molybdenum (Moly) MO-40 Phosphoric, Acetic and Nitric Nickel: NI-2 NI-3 CR-4 Sulfuric and Peroxide Nitric and Peroxide Cerium Salt and Nitric Polysilicon: SI-2 Nitric, Ammonium Fluoride and metal salt Silicon Dioxide: Lodyne BOE 6:1, 15:1 & others Hydrofluoric, Ammonium Fluoride & Surfactant In addition to the above products, we welcome inquiries for other metal etchants and custom-made formulations.

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