Patent ID: 6302159
Filing Date: 2001-10-16
Classification: B01J,B01L,C40B,G01N

Abstract:
An apparatus for processing mixtures:a tray having wells opening on a surface, each of the wells defining a vessel for receiving one of the mixtures, the vessel having a bottom portion and a through-hole located adjacent the bottom portion, the through-hole providing fluid communication between the vessel and an environment exterior to the vessel;a film for sealing the wells, the film having first and second surfaces, the first surface of the film disposed above the surface of the tray and covering the wells; anda plate having a first surface located adjacent the second surface of the film, the plate having perforations extending from the first surface of the plate to a second surface of the plate, the perforations in substantial alignment with the wells;wherein the film comprises a material that will flow without substantially tearing when pierced with a tool having a cross-sectional area about less than or equal to the cross-sectional area of the perforations in the plate.