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There is provided a container having a container with open end, and a bottom cap has a sealant material bonded thereto to provide a hermetic seal between the bottom cap and the open bottom of the container and a grip surface through or slightly beyond the exterior surface of the bottom cap to contac

There is provided a container having a container with open end, and a bottom cap has a sealant material bonded thereto to provide a hermetic seal between the bottom cap and the open bottom of the container and a grip surface through or slightly beyond the exterior surface of the bottom cap to contact a substrate, such as a table.

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There is provided a container having a container with open end, and a bottom cap has a sealant material bonded thereto to provide a hermetic seal between the bottom cap and the open bottom of the container and a grip surface through or slightly beyond the exterior surface of the bottom cap to contac

There is provided a container having a container with open end, and a bottom cap has a sealant material bonded thereto to provide a hermetic seal between the bottom cap and the open bottom of the container and a grip surface through or slightly beyond the exterior surface of the bottom cap to contact a substrate, such as a table. ng having side supports including a plurality of slots disposed in oppositely-aligned pairs for containing a wafer in each such pair of slots within the housing; a conductive surface at least in selected slots for electrically communicating with a wafer disposed therein; and an electrical connection to the conductive surface in at least one slot of each of the pair of slots in the housing in electrical isolation from other paths of electrical conduction. 21. Apparatus according to claim 20 in which the housing includes electrically non-conductive material; and the conductive surface includes a layer of conductive material thereon within each of the slots. 22. Apparatus as in claim 20 including a layer of conductive material disposed in spaced orientation relative to a pair