Patent 11855003 was granted and assigned to Taiwan Semiconductor Manufacturing Company on December, 2023 by the United States Patent and Trademark Office.
A method of fabricating an integrated fan-out package is provided. A ring-shaped dummy die and a group of integrated circuit dies are mounted over a carrier, wherein the group of integrated circuit dies are surrounded by the ring-shaped dummy die. The ring-shaped dummy die and the group of integrated circuit dies over the carrier are encapsulated with an insulating encapsulation. A redistribution circuit structure is formed on the ring-shaped dummy die, the group of integrated circuit dies and the insulating encapsulation, wherein the redistribution circuit structure is electrically connected to the group of integrated circuit dies, and the ring-shaped dummy die is electrically floating.