Patent ID: 11862610
Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 12:
13. A method of forming fan-out packages, comprising:
attaching an array of complementary die sets to a carrier substrate with a tilt angle greater than 0.5 degree between sidewalls of a first complementary die within each of the complementary die sets relative to directions of periodicity in the array of complementary die sets;
forming a continuous complementary-level molding compound layer around the array of complementary die sets and over the carrier substrate;
attaching an array of primary semiconductor dies to the array of complementary die sets; and
dicing a bonded assembly including the array of primary semiconductor dies, the array of complementary die sets, the continuous complementary-level molding compound layer, and the carrier substrate into a plurality of fan-out packages,
wherein:
the array of complementary die sets has a first periodicity along a first horizontal direction and has a second periodicity along a second horizontal direction that is perpendicular to the first horizontal direction; and
each of major in-plane crystallographic directions within the carrier substrate is azimuthally offset from the first horizontal direction and from the second horizontal direction by at least 0.5 degree.