| 摘要 |
A housing that defines a high vacuum work environment includes a monolithic member that has one side having a baffle region and a wall region. The baffle region includes at least one angularly contoured evacuation opening that forms a zig-zag flow path from the high vacuum work environment. In the preferred embodiment, each evacuation opening has a chevron-shaped cross section having an outer channel portion that is defined by baffle fins that are parallel or substantially parallel to each other, but at an acute angle relative to the side of the monolithic member. The wall region includes convection cooling fins that are aligned with the baffle fins.
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