Patent ID: 11860428
Assignee: UNIMICRON TECHNOLOGY CORP.
Field: Optics (Instruments)
Classification: CPC G  H | IPC G  H

Claim 1:
2. The package structure according to claim 1, further comprising:
a plurality of first solder balls, disposed between the package substrate and the circuit board, wherein the package substrate is electrically connected to the circuit board by the first solder balls;
a plurality of second solder balls, disposed between the fine metal L/S RDL-substrate and the package substrate, wherein the fine metal L/S RDL-substrate is electrically connected to the package substrate by the second solder balls; and
a plurality of third solder balls, disposed between the electronic assembly and the fine metal L/S RDL-substrate, wherein the electronic assembly is electrically connected to the fine metal L/S RDL-substrate by the third solder balls, a dimension of each of the third solder balls is smaller than a dimension of each of the second solder balls, and the dimension of each of the second solder balls is smaller than a dimension of each of the first solder balls.