Patent ID: 11973058
Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 11:
12. A semiconductor die (die) package comprising:
a substrate having one or more substrate layers, one or more of the substrate layers having one or more substrate connections, the substrate connections being one of a substrate horizontal connection and a substrate via connections, the substrate having a top substrate layer and a substrate bottom layer;
one or more redistribution layers (RDLs), the RDLs being one of the substrate layers, the RDLs having one or more RDL connections, the RDL connections being one of a RDL horizontal connection that is one of the substrate horizontal connections, and a RDL via connection that is of the substrate via connections;
one or more dies disposed on the top substrate layer, each of the dies having a die bottom surface and one or more die external connections, one or more of the die external connections being electrically connected to one or more of the substrate connections being a corresponding substrate connection, a die clearance being between the die bottom surface and the top substrate layer;
one or more metallic dam stiffeners, the metallic dam stiffeners connected together to form a dam enclosure, the dam enclosure disposed on the top substrate layer and enclosing one or more of the dies,, wherein the metallic dam enclosure has one or more electrically connected regions where the metallic dam enclosure is electrically and physically connected to one or more of the substrate horizontal connections and one or more electrically insulated regions where the metallic dam enclosure is electrically insulated from but physically connected to one or more of the substrate horizontal connections and the substrate via connections.