Integrated circuit packaging system with coreless substrate and method of manufacture thereof

1. A method of manufacture of an integrated circuit packaging system comprising:

depositing a top trace on a manufacturing carrier;

attaching discrete components on the top trace opposite the manufacturing carrier;

mounting vias on the top trace separated from the discrete components;

forming a dielectric layer on the top trace, the discrete components, and the vias, including forming a component surface having the dielectric layer coplanar with the top trace;

mounting a stacked integrated circuit over the component surface and directly above the discrete components positioned under the component surface;

forming a solder mask covering a system surface of the dielectric layer opposite to the component surface, the solder mask includes a coupling port below each of the vias; and

mounting system interconnects below the solder mask and coupled to the vias for electrically connecting the top trace, the discrete components, or a combination thereof to the system interconnects.

2. The method as claimed in claim 1 further comprising forming a system surface having the dielectric layer coplanar with an end of the vias exposed from the dielectric layer.

3. The method as claimed in claim 1 further comprising depositing contacts on the top trace above the component surface.

4. The method as claimed in claim 1 further comprising:

coupling a component contact between the stacked integrated circuit and the discrete components; and

forming a molded package body on the stacked integrated circuit, the component contact, and the component surface.

5. The method as claimed in claim 1 further comprising:

patterning a bottom trace on a system surface includes coupling the bottom trace to the vias.

6. A method of manufacture of an integrated circuit packaging system comprising:

depositing a top trace on a manufacturing carrier including patterning circuit openings in the top trace;

attaching discrete components on the top trace opposite the manufacturing carrier;

mounting vias on the top trace separated from the discrete components by the circuit opening;

forming a dielectric layer on the top trace, the discrete components, and the vias, including forming a component surface having the dielectric layer coplanar with the top trace;

mounting a stacked integrated circuit over the component surface and directly above the discrete components positioned under the component surface including depositing a contact on the top trace above the discrete components;

depositing a solder mask covering a system surface of the dielectric layer opposite to the component surface, the solder mask includes a coupling port below each of the vias; and

mounting system interconnects below the solder mask and coupled to the vias for electrically connecting the top trace, the discrete components, or a combination thereof to the system interconnects.

7. The method as claimed in claim 6 further comprising forming a system surface having the dielectric layer coplanar with an end of the vias exposed from the dielectric layer includes forming a base package by coupling a system interconnect to the vias.

8. The method as claimed in claim 6 further comprising depositing contacts on the top trace above the component surface includes accessing an access opening in the manufacturing carrier.

9. The method as claimed in claim 6 further comprising:

coupling a component contact between the stacked integrated circuit and the discrete components including directly connecting the component contact to the contact and the stacked integrated circuit; and

forming a molded package body on the stacked integrated circuit, the component contact, the component surface, and the contact.

10. The method as claimed in claim 6 further comprising:

patterning a bottom trace on a system surface includes coupling the bottom trace to the vias; and

wherein:

coupling the bottom trace to the vias includes coupling the bottom trace to filled vias, open vias, a heat slug, or a combination thereof.

11. An integrated circuit packaging system comprising:

discrete components coupled to a top trace;

vias attached to the top trace separated from the discrete components;

a dielectric layer on the top trace, the discrete components, and the vias, includes a component surface, formed above the discrete components, with the top trace coplanar with the dielectric layer;

a stacked integrated circuit mounted over the component surface and directly above the discrete components positioned under the component surface;

a solder mask covering a system surface of the dielectric layer opposite to the component surface, the solder mask includes a coupling port below each of the vias; and

system interconnects below the solder mask and coupled to the vias for electrically connecting the top trace, the discrete components, or a combination thereof to the system interconnects.

12. The system as claimed in claim 11 further comprising a system surface formed by the dielectric layer coplanar with an end of the vias exposed from the dielectric layer.

13. The system as claimed in claim 11 further comprising contacts deposited on the top trace above the component surface.

14. The system as claimed in claim 11 further comprising:

a component contact coupled between the stacked integrated circuit and the top trace; and

a molded package body formed on the stacked integrated circuit, the component contact, the component surface, and the top trace.

15. The system as claimed in claim 11 further comprising:

a bottom trace on a system surface includes the bottom trace coupled to the vias.

16. The system as claimed in claim 11 further comprising circuit openings patterned in the top trace.

17. The system as claimed in claim 16 further comprising a system surface formed by the dielectric layer coplanar with an end of the vias exposed from the dielectric layer includes a base package formed by the system interconnects coupled to the vias.

18. The system as claimed in claim 16 further comprising contacts on the top trace above the component surface includes a contact over the discrete components.

19. The system as claimed in claim 16 further comprising:

a contact over the discrete components;

a first flip chip integrated circuit, a second flip chip integrated circuit, the stacked integrated circuit, or a combination thereof over the contact;

a component contact between the stacked integrated circuit, the first flip chip integrated circuit, the second flip chip integrated circuit, or the combination thereof and the contact; and

a molded package body on the stacked integrated circuit, the first flip chip integrated circuit, the second flip chip integrated circuit, or the combination thereof, the component contact, the contact, and the component surface.

20. The system as claimed in claim 16 further comprising:

a bottom trace on a system surface includes the bottom trace coupled to the vias; and

wherein:

the bottom trace coupled to the vias includes the bottom trace coupled to filled vias, open vias, a heat slug, or a combination thereof.