Patent ID: 11923267
Assignee: INTEL CORPORATION
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. An integrated circuit (IC) device assembly, comprising:
a package substrate;
an IC die having a first side electrically coupled to the package substrate through a plurality of first interconnects, and a second side comprising a plurality of metallic lands, wherein:
the plurality of metallic lands comprises a plurality of discrete metal features spaced apart over the second side of the IC die;
a first portion of a crystalline substrate material of the IC die is between adjacent ones of the metal features; and;
a surface of the first portion of the crystalline substrate material is recessed below a plane of an interface between an adjacent one of the metal features and a second portion of the crystalline substrate material; and

a heat spreader coupled to the second side of the IC die through a plurality of second interconnects comprising a solder alloy, wherein individual ones of the plurality of second interconnects are in contact with corresponding ones of the plurality of metallic lands.