System for solder ball inner stacking module connection

1. A method for manufacturing an integrated circuit package-in-package system comprising:

providing a substrate;

mounting a structure over the substrate;

supporting an inner stacking module cantilevered over the substrate by an electrical interconnect connected to the substrate, the electrical interconnect forming a gap between the inner stacking module and the structure controlled by the size of the electrical interconnect;

mounting a chip over and along an edge of the inner stacking module;

electrically connecting bond wires between the chip and the substrate; and

encapsulating the structure and inner stacking module with an encapsulation.

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

filling the gap with under-fill.

3. The method as claimed in claim 1 wherein:

encapsulating includes filling the gap with the encapsulation.

4. The method as claimed in claim 1 wherein:

mounting a structure over the substrate includes attaching the structure to the substrate with a solder ball; and

further comprising:

filling between the structure and the substrate with under-fill.

5. The method as claimed in claim 1 wherein:

mounting a structure over the substrate includes attaching the structure to the substrate with a solder ball; and

encapsulating includes filling between the substrate and the structure with encapsulation.

6. A method for manufacturing an integrated circuit package-in-package system comprising:

providing a substrate;

mounting a structure over the substrate;

supporting an inner stacking module cantilevered over the substrate by groups of solder balls connected to the substrate under no more than two sides of the inner stacking module, the solder balls forming a gap between the inner stacking module and the structure controlled by varying the size of the solder ball;

mounting a chip over and along an edge of the inner stacking module;

electrically connecting bond wires between the chip and the substrate; and

encapsulating the structure and inner stacking module with an encapsulation.

7. The method as claimed in claim 6 wherein:

mounting the structure over the substrate includes mounting a wire bond chip over the substrate.

8. The method as claimed in claim 6 wherein:

mounting the structure over the substrate includes mounting a lower inner stacking module over the substrate.

9. The method as claimed in claim 6 wherein:

mounting the structure over the substrate includes mounting a flip-chip over the substrate.

10. The method as claimed in claim 6 wherein:

mounting the structure over the substrate includes mounting multiple wire bonded die over the substrate.

11. An integrated circuit package-in-package system comprising:

a substrate;

a structure mounted over the substrate;

an inner stacking module cantilevered over the substrate by an electrical interconnect connected to the substrate, where the electrical interconnect forms a gap between the inner stacking module and the structure controlled by the size of the electrical interconnect;

a chip mounted over and along an edge of the inner stacking module;

bond wires between the chip and the substrate; and

an encapsulation encapsulating the structure and inner stacking module.

12. The system as claimed in claim 11 wherein:

the gap filled with under-fill.

13. The system as claimed in claim 11 wherein:

the gap is filled with the encapsulation.

14. The system as claimed in claim 11 wherein:

the structure is attached to the substrate with a second solder ball; and

further comprising:

an underfill between the structure and the substrate.

15. The system as claimed in claim 11 wherein:

the structure is attached to the substrate with a second solder ball; and

the encapsulation is between the substrate and the structure.

16. The system as claimed in claim 11 wherein:

the electrical interconnect is a solder ball; and

the inner stacking module cantilevered over the structure by groups of solder balls connected to the substrate under no more than two sides of the inner stacking module.

17. The system as claimed in claim 16 wherein:

the structure mounted over the substrate is a wire bond chip .

18. The system as claimed in claim 16 wherein:

the structure mounted over the substrate is a lower inner stacking module.

19. The system as claimed in claim 16 wherein:

the structure mounted over the substrate is a flip-chip.

20. The system as claimed in claim 16 wherein:

The structure mounted over the substrate is a multiple wire bonded die.