Patent ID: 8728415

Claim:
A microtitration plate for use for automated polymerase chain reaction (PCR), comprising: a frame ( 2 ) which has a plate ( 4 ) wherein the plate ( 4 ) has a multiplicity of holes ( 6 ′) molded of a polypropylene; and a multiplicity of thin-wall receptacles ( 3 ) having a wall thickness of from about 0.05 to about 0.25 mm at least in one wall portion, and made of identical same type of polypropylene as the frame ( 2 ) and the plate ( 4 ), with the receptacles ( 3 ) fixedly connected to the plate ( 4 ) at the holes ( 6 ′) by fusing to each other the identical type of polypropylene of the receptacles ( 3 ) and the plate ( 4 ) due to direct molding of the receptacles ( 3 ) to the plate ( 4 ), the receptacles ( 3 ) having receiving portions ( 9 , 10 , 11 ) protruding from the underside ( 8 ) of the plate ( 4 ), and are accessible from the upper surface ( 7 ) of the plate ( 4 ) through apertures ( 15 ), wherein the frame ( 2 ) and the receptacles ( 3 ) are composed of the identical type of polypropylene.