Patent ID: 6091146
Filing Date: 2000-07-18
Classification: H01L

Abstract:
In combination with a multi-chip module package, said multi-chip module package including a metal ring seal, having a upper edge and defining a hermetically sealed region where at least area dimensions of said hermetically sealed region extend two inches in distance, and a plurality of semiconductor chips positioned within said region, a lid for closing said regions comprising:a solid flat rectangular panel of alumina, said panel having a thickness and having upper and lower sides;a metal flange having a thickness, said flange having upper and lower sides and having a peripheral edge surface on said upper side for framing and supporting said panel; andsaid peripheral edge surface on said upper side including a layer of brazing material for bonding said peripheral edge surface of said flange to a peripheral edge of said lower side of said panel;said flange having a rim on said lower side for seating to said metal ring seal of said multi-chip module package.