Patent ID: 8402845

Claim:
A method for testing multiple showerhead designs in a single showerhead, comprising: providing a showerhead having a plurality of portions, each of the portions comprising a plate, wherein each plate has a distribution face and a dispensing face, wherein the distribution face comprises a plurality of channels formed therein; each of the channels having a plurality of channel thru-ports extending from the channel to the dispensing face of the plate; wherein each plate further comprises a gasket pressed onto the distribution face, wherein the gasket comprises a plurality of cut-outs through the gasket forming a gasket network; wherein each plate further comprises an internal network, the internal network comprising passages formed below the plurality of channels and above the dispensing face, a set of internal network ports extending from the passages to the distribution face and a set of internal network thru-ports extending from a top surface of the distribution face to the dispensing face; wherein the set of internal network ports and the set of internal network thru-ports align with the gasket network; and varying a feature of the design of the showerhead between the plurality of portions.