Acid Bench 73 is a wet bench used for working with [[:Category:Acid|acids]], mostly for [[Wet etching|etching]] and [[cleaning]] of samples that have had metals and/or polymers on them. It is considered a [[Metals]] class tool, so wafers with metal are allowed in the bench with some restrictions. It is intended for use with mixed materials and all substrate sizes up to 6 inches with the main focus being on piece parts.