Semiconductor device
View Patent ↗A semiconductor device includes a substrate, a semiconductor package including a semiconductor chip, and a connector between the substrate and the semiconductor package, the connector having opposing first and second planar surfaces, the first planar surface in contact with the substrate and the second planar surface in contact with the semiconductor package. The connector also includes a plurality of wires extending between the first and second planar surfaces to electrically connect electrodes of the substrate to electrodes of the semiconductor package.
1. A semiconductor device comprising:
a substrate;
a semiconductor package including a semiconductor chip; and
a first connector between the substrate and the semiconductor package, the first connector having opposing first and second planar surfaces, the first planar surface in contact with the substrate and the second planar surface in contact with the semiconductor package,
the first connector also including a plurality of wires extending between the first and second planar surfaces to electrically connect electrodes of the substrate to electrodes of the semiconductor package, wherein the first connector has concavities along the first and second planar surfaces, the concavities along the first planar surface causing the substrate and the first connector to be adhered to each other by suction force and the concavities along the second planar surface causing the semiconductor package and the connector to be adhered to each other by suction force.
2. The semiconductor device according to claim 1 , wherein the wires extend parallel with respect to one another along a direction that is inclined with respect to a thickness direction of the first connector.
3. The semiconductor device according to claim 2 , wherein the wires are arranged at a first pitch, and the concavities are arranged at a second pitch larger than first pitch.
4. The semiconductor device according to claim 1 , wherein
an area of the first planar surface of the first connector is smaller than a surface area of a planar surface of the substrate facing the first connector, and
an area of the second planar surface of the first connector is smaller than a surface area of a planar surface of the semiconductor package facing the first connector.
5. The semiconductor device according to claim 4 , further comprising:
additional second connectors arranged between the substrate and the semiconductor package so that the first connector is between two of the additional second connectors.
6. The semiconductor device according to claim 5 , wherein the additional second connectors are resin balls.
7. The semiconductor device according to claim 5 , wherein the additional second connectors are pin-shaped connectors.
8. The semiconductor device according to claim 1 , wherein:
an area of the first planar surface of the first connector is smaller than a surface area of a planar surface of the substrate facing the first connector, and
an area of a planar surface of the substrate is larger than a surface area of a planar surface of the semiconductor package facing the first connector.
9. The semiconductor device according to claim 8 , further comprising:
staples or wires that hold first and second portions of the first connector against the substrate.
10. The semiconductor device according to claim 1 , wherein the first connector is an anisotropic conductive sheet.
11. A semiconductor device comprising:
a substrate;
a semiconductor package including a semiconductor chip; and
a first connector between the substrate and the semiconductor package, the first connector having opposing first and second planar surfaces, the first planar surface in contact with the substrate and the second planar surface in contact with the semiconductor package,
the first connector also including a plurality of wires extending between the first and second planar surfaces to electrically connect electrodes of the substrate to electrodes of the semiconductor package;
additional second connectors arranged between the substrate and the semiconductor package so that the first connector is between two of the additional second connectors, wherein
an area of the first planar surface of the first connector is smaller than a surface area of a planar surface of the substrate facing the first connector, and
an area of the second planar surface of the first connector is smaller than a surface area of a planar surface of the semiconductor package facing the first connector.
12. The semiconductor device according to claim 11 , wherein the first connector has concavities along the first and second planar surfaces, the concavities along the first planar surface causing the substrate and the first connector to be adhered to each other by suction force and the concavities along the second planar surface causing the semiconductor package and the connector to be adhered to each other by suction force.
13. The semiconductor device according to claim 12 , wherein the wires extend parallel with respect to one another along a direction that is inclined with respect to a thickness direction of the first connector.
14. The semiconductor device according to claim 13 , wherein the wires are arranged at a first pitch, and the concavities are arranged at a second pitch larger than first pitch.
15. The semiconductor device according to claim 11 , wherein the additional second connectors are resin balls.
16. The semiconductor device according to claim 11 , wherein the additional second connectors are pin-shaped connectors.
17. The semiconductor device according to claim 11 , wherein:
an area of the second planar surface of the substrate is larger than the surface area of the planar surface of the semiconductor package facing the first connector.
18. The semiconductor device according to claim 17 , further comprising:
staples or wires that hold first and second portions of the first connector against the substrate.
19. The semiconductor device according to claim 11 , wherein the first connector is an anisotropic conductive sheet.