Packard Instrument Company, Inc.

Bernard S Effertz

Roy L Manns

Alfred J Kolb

A microplate forms a multiplicity of sample wells for holding samples to be assayed by light emissions or light transmission. The microplate comprises a unitary upper plate and a unitary lower plate. The unitary upper plate forms the side walls of the sample wells, while the unitary lower plate forms the bottom walls of the sample wells. The side walls are opaque so that light cannot be transmitted between adjacent wells through the side walls. The bottom walls are transparent to allow the transmission of light therethrough. Bands of opaque material surround the bottom wall of each well and are located below a level of an upper surface of, the bottom wall of each well. The bands of opaque material are constructed and arranged to block the transmission of light between adjacent wells through the lower plate.

Microplate forming wells with transparent bottom walls for assays using

A microplate forms a multiplicity of sample wells for holding samples to be assayed by light emissions or light transmission. The plate comprises an upper plate forming the side walls of the sample wells, the side walls being opaque so that light cannot be transmitted between adjacent wells through the side walls, and a lower plate forming the bottom walls of the sample wells, the bottom walls being transparent to allow the transmission of light therethrough. Bands of opaque material are provided within the lower plate and surrounding each well to block the transmission of light between adjacent wells through the lower plate.

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Meriden, CT, United States of America

Bernard S Effertz