Packaged die for heat dissipation and method therefor
View Patent ↗A heat spreader die holder that covers at least 50% of both major sides of a semiconductor die. The heat spreader die holder includes at least one opening. The heat spreader die holder is attached to a substrate. Electrically conductive structures of the die are electrically coupled to electrically conductive structures of the substrate.
1. A semiconductor die assembly, comprising:
a semiconductor die;
a heat spreader die holder for receiving the semiconductor die through an opening having a greater width and thickness than the semiconductor die;
wherein:
the semiconductor die is at least partially within the heat spreader die holder;
at least 50% of a first major side of the semiconductor die and at least 50% of a second major side of the die are covered by thermally conductive material of the heat spreader die holder;
the semiconductor die includes an open region having a plurality of electrically conductive connector structures;
the open region of the semiconductor die is not covered by the thermally conductive material; and
a substrate, the heat spreader die holder attached to the substrate, the substrate including a plurality of electrically conductive structures electrically coupled to the plurality of electrically conductive connector structures at the open region, wherein the first major side and the second major side of the semiconductor die are parallel to a major side of the substrate.
2. The semiconductor die assembly of claim 1 further comprising:
a plurality of solder balls, wherein the plurality of electrically conductive connector structures are electrically coupled to the plurality of electrically conductive structures of the substrate with the plurality of solder balls.
3. The semiconductor die assembly of claim 2 wherein the plurality of electrically conductive connector structures are located on the first major side of the semiconductor die, the first major side of the semiconductor die facing the major side of the substrate, the plurality of solder balls are located between the first major side of the semiconductor die and the first major side of the substrate.
4. The semiconductor die assembly of claim 3 wherein the heat spreader die holder includes a major side structure of a thermally conductive material, the major side structure is located between the first major side of the semiconductor die and the first major side of the substrate at a location adjacent to the plurality of solder balls.
5. The semiconductor die assembly of claim 1 further comprising:
a plurality of bond wires, wherein the plurality of electrically conductive connector structures are electrically coupled to the plurality of electrically conductive structures of the substrate with the plurality of bond wires.
6. The semiconductor die assembly of claim 1 wherein the plurality of electrically conductive connector structures are located on the first major side of the semiconductor die, the first major side of the semiconductor die faces away from the major side of the substrate.
7. The semiconductor die assembly of claim 1 further comprising:
thermal interface material located between the semiconductor die and the heat spreader die holder.
8. The semiconductor die assembly of claim 1 wherein the heat spreader die holder includes a major side structure generally parallel to the first major side and the second major side, wherein the major side structure includes an opening at an edge location, the plurality of electrically conductive connector structures are electrically coupled to the plurality of electrically conductive structures of the substrate through the opening.
9. The semiconductor die assembly of claim 1 wherein the heat spreader die holder is characterized as a unitary structure of thermally conductive material.
10. A semiconductor die assembly comprising:
a semiconductor die;
a heat spreader die holder for receiving the semiconductor die through an opening having a greater width and thickness than the semiconductor die;
wherein:
the semiconductor die is at least partially within the heat spreader die holder;
at least 50% of a first major side of the die, at least 50% of a second major side of the die, at least 50% of a first minor side of the semiconductor die, and at least 50% of a second minor side of the semiconductor die are covered by thermally conductive material of the heat spreader die holder;
the semiconductor die includes a plurality of electrically conductive connector structures in an open region of the semiconductor die not covered by the thermally conductive material; and
a substrate, the heat spreader die holder attached to the substrate, the substrate including a plurality of electrically conductive structures electrically coupled to the plurality of electrically conductive connector structures at the open region.
11. A semiconductor die assembly, comprising:
a heat spreader die holder;
a semiconductor die at least partially within the heat spreader die holder, wherein at least 50% of a first major side of the semiconductor die and at least 50% of a second major side of the die are covered by thermally conductive material of the heat spreader die holder; wherein the semiconductor die includes plurality of electrically conductive connector structures; and
a substrate, the heat spreader die holder attached to the substrate, the substrate including a plurality of electrically conductive structures electrically coupled to the plurality of electrically conductive connector structures, wherein the first major side and the second major side of the semiconductor die are parallel to a major side of the substrate;
wherein the heat spreader die holder includes a major side structure generally parallel to the first major side and the second major side, wherein the major side structure includes an opening at an edge location, the plurality of electrically conductive connector structures are electrically coupled to the plurality of electrically conductive structures of the substrate through the opening.