Linde North America, Inc. Wet Chemicals

Supplying ultra-pure chemicals for the global microelectronics industry through our joint venture with AUECC We supply chemicals for electronic manufacturing though our joint venture with Asia Union Electronic Chemical Corporation (AUECC), a leading supplier of wet process chemicals to high-tech industries worldwide. Its wet chemical portfolio includes a full range of acids, solvents, oxidizers, bases, mixed acids and buffered oxide etchants in a range of purity levels down to sub-100 parts per thousand (ppt). AUECC is also the first choice for wet chemicals among solar cell manufacturers. Its products support the photovoltaic wet process solutions for saw damage repair, surface texturization, surface cleaning and PSG removal and edge isolation. Manufacturing is located in Shanghai, China and Taiwan and AUECC products are distributed globally. Although requirements vary from one region to another, the following table shows the main chemicals supplied by AUECC: Aqueous Materials Organic Materials Acetic acid Acetone Ammonium fluoride Isopropyl alcohol Ammonium hydroxide Ethylene glycol Citric acid N-methyl, 2 pyrrolodine (nMP) Hydrochloric acid Monoethanolamine Hydrofluoric acid Propylene glycol methyl ether acetate Hydrogen peroxide Methyl ethyl ketone Phosphoric acid Tetramethylammonium hydroxide Nitric acid Hexamethyldisilazane Potassium hydroxide Dimethyl sulfoxide Sodium hydroxide Ethanol Sulfuric acid Buffered oxide etchants Additionally, special formulations of the above are available. On-Site chemical management (TCM) AUECC offers advanced technical and engineering support, which can include on-site chemical management services (TCM) on a stand-alone basis or integrated with gas support for an end-to-end total gas and chemical management (TGCM) service. AUECC also provides total materials management (TMM) services which draw on proven practices to ensure a smooth and steady flow of materials to meet your process needs.