Patent ID: 9508653
Filing Date: 2016-11-29
CPC Classification: H01L

Claim Text:
1. A method comprising: recording a carrier ID of a carrier; recording a wafer identification (ID) and a location ID of a device die in a database; mapping the carrier ID to the wafer ID and the location ID of the device die; placing a package substrate over the carrier, with the carrier being a boat or a glass carrier, wherein the boat is configured to go through a reflow process with the package substrate in the boat; placing the device die over the package substrate; bonding the device die over a package substrate by performing a flow, wherein the device die and the package substrate are disposed in a package; mounting a heat sink over the device die; marking both a device die ID and a package ID on the device die; and establishing a mapping to link the wafer ID and the location ID of the device die to the package ID.