The equipment is used to prepare, store and distribute a solution of process developer. It is formed by an assembly of three stand-alone units: a distribution cabinet, an external standstill for a 200-litre barrel and a high-capacity tank for a mixture of the developer of volume equal to 1,200 litres.
As per the adjusted formula, the chemical TMAH is diluted with DI water and with an admixture of a wetting agent in the required ratio in the mixing tank with circulation and stored in the external storage tank. It is then conducted through the distribution loop to the manufacturing equipment.
(The equipment works in the Czech Republic for a customer from the USA.)