Patent ID: 8316793

Claim:
A coating apparatus for coating films on a substrate comprising: a housing comprising a bottom wall, a first side wall, and a second side wall opposite to the first side wall, the bottom wall defining an opening; a plurality of coating chambers vertically aligned with each other and received in the housing for forming different film coatings, each coating chamber defining an inlet and an outlet at two opposite sides thereof, two inlets of each two adjacent coating chambers facing the first side wall and the second side wall of the housing respectively; a first lifting rod disposed between the plurality of coating chambers and the second side wall of the housing, the first lifting rod being capable of carrying the substrate to each of the coating chambers; a second lifting rod disposed between the plurality of coating chambers and the first side wall of the housing, the second lifting rod being capable of carrying the substrate to each of the coating chambers; and a third lifting rod disposed between the first lifting rod and the second lifting rod for carrying the substrate into and out of the housing through the opening; wherein the first lifting rod comprises a first supporting portion on a top end thereof for holding the substrate when the first lifting rod carrying the substrate up and down, the first supporting portion of the first lifting rod comprises a plurality of rod transfer rollers.