Integrated circuit package system with package substrate having corner contacts and method of manufacture thereof

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

forming a package substrate with a top substrate side and a bottom substrate side;

forming a corner contact in a first corner of the bottom substrate side, the corner contact extending to a substrate edge of the package substrate;

forming an identification contact in a second corner of the bottom substrate side, the identification contact and the corner contact having different geometric configurations;

mounting an integrated circuit device over the top substrate side;

connecting an electrical interconnect between the integrated circuit device and the top substrate side; and

forming a package encapsulation over the top substrate side, the integrated circuit device, and the electrical interconnect.

2. The method as claimed in claim 1 wherein forming the identification contact in the second corner of the bottom substrate side, side includes the identification contact and the corner contact having an equivalent geometric area.

3. The method as claimed in claim 1 further comprising forming a first identification contact in the second corner of the package substrate and a second identification contact in a third corner of the package substrate, adjacent to the second corner.

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

providing a board substrate having a board corner contact; and

mounting the package substrate over the board substrate with the corner contact over the board corner contact.

5. An integrated circuit package system comprising:

a package substrate with a top substrate side and a bottom substrate side;

a corner contact in a first corner of the bottom substrate side, the corner contact extending to a substrate edge of the package substrate;

an identification contact in a second corner of the bottom substrate side, the identification contact and the corner contact having different geometric configurations;

an integrated circuit device over the top substrate side;

an electrical interconnect between the integrated circuit device and the top substrate side; and

a package encapsulation over the top substrate side, the integrated circuit device, and the electrical interconnect.

6. The system as claimed in claim 5 wherein the identification contact in the second corner of the bottom substrate, side includes the identification contact and the corner contact having an equivalent geometric area.

7. The system as claimed in claim 5 further comprising a first identification contact in the second corner of the package substrate and a second identification contact in a third corner of the package substrate, adjacent to the second corner.

8. The system as claimed in claim 5 further comprising a board substrate having a board corner contact with the corner contact mounted over the board corner contact.

9. The system as claimed in claim 5 wherein the identification contact in the second corner of the bottom substrate, side with the identification contact extending to the substrate edge of the package substrate.

10. The system as claimed in claim 9 further comprising a corner solder ball between the bottom substrate side and the board substrate.

11. The system as claimed in claim 9 further comprising:

a corner solder ball formed under the corner contact; and

a board substrate, the board substrate having a board corner contact with the corner solder ball connecting between the corner contact and the board corner contact.

12. The system as claimed in claim 9 wherein:

the corner contact and the identification contact includes:

the identification contact and the corner contact having different geometric configurations; and

further comprising:

a board substrate having a board corner contact with the corner contact mounted over the board corner contact.

13. The system as claimed in claim 9 wherein:

the corner contact and the identification contact includes:

the identification contact and the corner contact having an equivalent geometric area; and

further comprising:

a board substrate having a board corner contact with the corner contact mounted over the board corner contact.