Patent ID: 9608334
Date: 2017-03-28
CPC Classifications: G01S,H01L,H01Q,Y10T

Claim:
1. A system comprising: a frontside redistribution layer; a backside redistribution layer; a mold disposed between the frontside redistribution layer and the backside redistribution layer; a chip having a frontside, a backside, and sidewalls, the frontside of the chip disposed on the frontside redistribution layer; a reflector, which is a metalized layer, on the backside of the chip, wherein the backside of the chip is opposite the frontside redistribution layer; wherein the mold encapsulates the backside of the chip and the reflector and the mold encapsulates the sidewalls of the chip; and an antenna disposed on the backside redistribution layer, wherein the antenna is electrically connected with the chip through the frontside redistribution layer, wherein the antenna is at least partially aligned with the reflector at a distance from the backside of the chip; wherein the chip and the reflector are oriented with respect to the antenna such that the antenna is disposed nearer to the backside of the chip than to the frontside of the chip; and wherein the reflector and the antenna are separated by a portion of the mold that is between the reflector and the backside redistribution layer, and wherein the distance between the antenna and the reflector is fixed by the portion of the mold.