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Universal, User friendly vacuum flange Disclosure Number: IPCOM000032272D
Publication Date: 2004-Oct-28

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Purpose and advantage of invention: Eliminates the need to choose threaded vs thru-hole during design phase Reduces man-power and assembly timeEliminates drilling of flanges and issues with debris and contamination Short description of invention (Include or attach appropriate sketches, and point out novel features): The "user-friendly" flange incorporates hole patterns with both threaded and thru-hole patterns. The sealing nature of the flange is dependent upon the ring having some appropriate stiffness to ensure uniform deformation of the copper vacuum gasket. Increasing the number of thru-holes reduces the stiffness of the ring. This necessitates either an increase in flange outer diameter, flange thickness, or a combination of the two.