Patent ID: 8484847

Claim:
A method for making a showerhead, comprising: providing bottom portion material; forming a bottom portion from said bottom portion material, said bottom portion having a plurality of gas tubes, wherein said gas tubes are integratedly formed on said bottom portion, said gas tubes comprise at least one first gas tube; providing and assembling at least one plate, said at least one plate comprising a first plate, said first plate having a plurality of first openings, wherein said gas tubes pass through said first openings; and providing and assembling a top portion, wherein said top portion is connected to the bottom portion; wherein said at least one plate comprises a second plate, said second plate has a plurality of second openings, said gas tubes comprise at least one first gas tube and at least one second gas tube, said first gas tube and said second gas tube have different lengths, said second gas tube passes through said first opening and said second opening, said first gas tube passes through said first opening, and said first gas tube does not pass said second opening.