IP Library Granted Patent US 11,508,637
Granted Patent B2
US 11,508,637 · App. 16/855,418 · Granted Nov 22, 2022

Fan out package and methods

Inventors: Lizabeth Keser (Munich, DE); Thomas Ort (Veitsbronn, DE); Thomas Wagner (Regelsbach, DE); Bernd Waidhas (Pettendorf, DE)
Assignee: Intel Corporation
H01L23/3192H01L21/4853H01L21/4857H01L21/561H01L21/565H01L21/568H01L21/78H01L22/14H01L23/3114H01L23/5383H01L23/5386H01L23/5389H01L24/19H01L24/20H01L24/96H01L23/3128H01L2224/18H01L2224/214H01L2224/95001
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Quick Facts
Patent No.
US 11,508,637
App. No.
16/855,418
Granted
Nov 22, 2022
Kind
B2
Abstract

A semiconductor device and method is disclosed. Devices shown include a die coupled to an integrated routing layer, wherein the integrated routing layer includes a first width that is wider than the die. Devices shown further included a molded routing layer coupled to the integrated routing layer.

Claims (30)

1. A method, comprising:

coupling an integrated routing layer to a number of dies to form a number of fan out wafer level semiconductor devices on a fan out wafer to a first width wider than each die in the number of dies;

singulating the fan out wafer level semiconductor devices from the fan out wafer;

testing each fan out wafer level semiconductor device for functionality; and

coupling a molded routing layer to functional fan out wafer level semiconductor devices, wherein the molded routing layer extends to a second width wider than the first width, wherein the molded routing layer includes an outer solder resist layer with solder balls at least partially within cavities formed in the solder resist layer.

2. The method of claim 1 , wherein coupling the molded routing layer to functional fan out wafer level semiconductor devices includes soldering the molded routing layer to functional fan out wafer level semiconductor devices.

3. The method of claim 1 , further including encapsulating the functional fan out wafer level semiconductor devices to a width that extends laterally to the same width as the molded routing layer.

4. The method of claim 1 , further including exposing a backside of the die in the functional fan out wafer level semiconductor devices.

5. The method of claim 1 , further including grinding a backside of the die in the functional fan out wafer level semiconductor devices.

6. The method of claim 5 , further including etching a ground surface of the die in the functional fan out wafer level semiconductor devices.

7. A method, comprising:

coupling an integrated routing layer to a number of dies to form a number of fan out batch process carrier level semiconductor devices on a fan out batch process carrier to a first width wider than each die in the number of dies;

singulating the fan out batch process carrier level semiconductor devices from the fan out batch process carrier; and

coupling a molded routing layer to one or more of the fan out batch process carrier level semiconductor devices, wherein the molded routing layer extends to a second width wider than the first width, wherein the molded routing layer includes an outer solder resist layer with solder balls at least partially within cavities formed in the solder resist layer.

8. The method of claim 7 , wherein coupling the integrated routing layer to the number of dies to form the number of fan out batch process carrier level semiconductor devices includes coupling an integrated routing layer to a number of dies to form a number of fan out wafer level semiconductor devices.

9. The method of claim 7 , wherein coupling the integrated routing layer to the number of dies to form the number of fan out batch process carrier level semiconductor devices includes electroplating pillars directly onto contacts on a surface of a die.

10. The method of claim 9 , wherein coupling the integrated routing layer to the number of dies to form the number of fan out batch process carrier level semiconductor devices includes encapsulating the pillars.

11. The method of claim 10 , wherein coupling the integrated routing layer to the number of dies to form the number of fan out batch process carrier level semiconductor devices includes thinning the encapsulant to reveal a top surface of the pillars.

12. The method of claim 11 , wherein coupling the integrated routing layer to the number of dies to form the number of fan out batch process carrier level semiconductor devices includes plating conductor routes directly onto the top surface of the pillars.

13. The method of claim 12 , wherein coupling the integrated routing layer to the number of dies to form the number of fan out batch process carrier level semiconductor devices includes spin coating a dielectric over the conductor routes.

14. A method, comprising:

coupling an integrated routing layer to a number of dies to form a number of fan out batch process carrier level semiconductor devices on a fan out batch process carrier to a first width wider than each die in the number of dies;

singulating the fan out batch process carrier level semiconductor devices from the fan out batch process carrier;

testing each fan out batch process carrier level semiconductor device for functionality; and

coupling a molded routing layer to functional fan out batch process carrier level semiconductor devices, wherein the molded routing extends to a second width wider than the first width, wherein the molded routing layer includes an outer solder resist layer with solder balls at least partially within cavities formed in the solder resist layer.

15. The method of claim 14 , wherein coupling the molded routing layer to functional fan out batch process carrier level semiconductor devices includes soldering the molded routing layer to functional fan out batch process carrier level semiconductor devices.

16. The method of claim 14 , further including encapsulating the functional fan out batch process carrier level semiconductor devices to a width that extends laterally to the same width as the molded routing layer.

17. The method of claim 14 , further including exposing a backside of the die in the functional fan out batch process carrier level semiconductor devices.

18. The method of claim 14 , further including grinding a backside of the die in the functional fan out batch process carrier level semiconductor devices.

19. The method of claim 18 , further including etching a ground surface of the die in the functional fan out batch process carrier level semiconductor devices.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 22, 2021
From: INTEL IP CORPORATION
To: INTEL CORPORATION
Reel/Frame 056337/0609 →