Integrated circuit package system including high-density small footprint system-in-package
View Patent ↗An integrated circuit package system including a high-density small footprint system-in-package with a substrate is provided. Passive components are mounted on the substrate. Solder separators are provided on the substrate, the solder separators having flattened tops at a predetermined height above the substrate. A die is supported on the solder separators above the substrate.
1. A method of making an integrated circuit package system including a high-density small footprint system-in-package, comprising:
providing a substrate;
providing solder separators on the substrate, the solder separators having flattened tops at a predetermined height above the substrate;
coupling a backside of a die, electrically and thermally, through the solder separators to the substrate;
mounting passive components on the substrate under the die in the predetermined height.
2. The method as claimed in claim 1 wherein providing solder separators further comprises providing coined solder balls.
3. The method as claimed in claim 1 wherein providing solder separators further comprises providing solder-filled jumpers.
4. The method as claimed in claim 1 further comprising providing a rigid conductive member between the die and the solder separators.
5. The method as claimed in claim 1 further comprising providing a slotted interposer between the die and the solder separators.
6. A method of making an integrated circuit package system including a high-density small footprint system-in-package, comprising:
providing a substrate;
providing solder separators on the substrate, the solder separators having flattened tops at a predetermined height above the substrate;
dispensing a conductive adhesive on the tops of the flattened tops;
surface mounting passive components on the substrate in the predetermined height;
coupling a backside of a die, electrically and thermally, to the conductive adhesive and supporting the die on the solder separators, above the substrate and the passive components;
curing the conductive adhesive;
wire bonding the die to the substrate;
encapsulating the substrate, the passive components, and the die in a molding compound; and
singulating the encapsulated die, passive components, and substrate to form a package.
7. The method as claimed in claim 6 wherein providing solder separators further comprises providing solder balls that are coined to provide flattened tops at a predetermined height above the substrate.
8. The method as claimed in claim 6 wherein providing solder separators further comprises providing jumpers that are solder-filled to provide flattened tops at a predetermined height above the substrate.
9. The method as claimed in claim 6 further comprising providing a rigid conductive member attached to the solder separators and supporting the die thereon.
10. The method as claimed in claim 6 further comprising providing a slotted interposer attached to the solder separators and supporting the die thereon with at least portions of the wire-bonding passing through the slotted interposer.
11. An integrated circuit package system including a high-density small footprint system-in-package, comprising:
a substrate;
solder separators on the substrate, the solder separators having flattened tops at a predetermined height above the substrate;
a die coupled, electrically and thermally, on the backside through the solder separators to the substrate;
passive components mounted on the substrate under the die in the predetermined height.
12. The system as claimed in claim 11 wherein the solder separators further comprise coined solder balls.
13. The system as claimed in claim 11 wherein the solder separators further comprise solder-filled jumpers.
14. The system as claimed in claim 11 further comprising a rigid conductive member between the die and the solder separators.
15. The system as claimed in claim 11 further comprising a slotted interposer between the die and the solder separators.
16. An integrated circuit package system including a high-density small footprint system-in-package, comprising:
a substrate;
solder separators on the substrate, the solder separators having flattened tops at a predetermined height above the substrate;
passive components surface mounted on the substrate in the predetermined height;
cured conductive adhesive on the tops of the flattened tops;
a die coupled electrically and thermally by the backside to the cured conductive adhesive and supported on the solder separators, above the substrate and the passive components;
the die being wire bonded to the substrate;
a molding compound encapsulating the substrate, the passive components, and the die; and
the encapsulated die, passive components, and substrate being singulated to form a package.
17. The system as claimed in claim 16 wherein the solder separators further comprise solder balls that are coined to provide flattened tops at a predetermined height above the substrate.
18. The system as claimed in claim 16 wherein the solder separators further comprise jumpers that are solder-filled to provide flattened tops at a predetermined height above the substrate.
19. The system as claimed in claim 16 further comprising a rigid conductive member attached to the solder separators and supporting the die thereon.
20. The system as claimed in claim 16 further comprising a slotted interposer attached to the solder separators and supporting the die thereon with at least portions of the wire-bonding passing through the slotted interposer.