Patent ID: 9324584
Filing Date: 2016-04-26
CPC Classification: H01L

Claim Text:
1. A method comprising: (a) providing a lead frame having a contact on a lower surface of the lead frame and metal connectors on an upper surface of the lead frame; (b) forming a masking layer over the upper surface of the lead frame and the metal connectors; (c) forming a routing layer having a conductive land on the contact by shaping the bottom surface of the lead frame; (d) forming a bottom encapsulation on the conductive land and the contact thereon with the contact exposed from the bottom encapsulation; (e) removing the masking layer from the upper surface of the lead frame; (f) forming an insulation cover directly on a portion of the metal connectors, the insulation cover is on a top portion of the metal connector, a side portion of the metal connector, and a top portion of the conductive land; (g) connecting an integrated circuit die to the upper surface of the lead frame, the integrated circuit die spaced away from the insulation cover; and (h) applying an underfill on the integrated circuit die and in a connection opening of the insulation cover.