SPIN ETCHER

chemicals, liquid and gaseous media for handling and etching semi-finished articles; etchants for use in the manufacture of semiconductors; etchants for use in the manufacture of silicon wafers

machines used to manufacture semiconductor substrates, silicon chips, silicon wafers, and microelectronic semiconductor substrates; machines used for drying and wet processing semiconductor substrates and silicon wafers; machines used for etching, cleaning, polishing, roughening, drying, and wet processing of semi-finished semiconductor substrates

planning and design of machines for producing semiconductor substrates and microelectronic semiconductors, machines for handling and processing semi-finished articles into semiconductors and silicon wafers for others