Semiconductor device package and manufacturing method thereof
View Patent ↗Methods and systems for a semiconductor device package with a die to interposer wafer first bond are disclosed and may include bonding a plurality of semiconductor die comprising electronic devices to an interposer wafer, and applying an underfill material between the die and the interposer wafer. Methods and systems for a semiconductor device package with a die-to-packing substrate first bond are disclosed and may include bonding a first semiconductor die to a packaging substrate, applying an underfill material between the first semiconductor die and the packaging substrate, and bonding one or more additional die to the first semiconductor die. Methods and systems for a semiconductor device package with a die-to-die first bond are disclosed and may include bonding one or more semiconductor die comprising electronic devices to an interposer die.
1. A semiconductor device, comprising:
a package substrate comprising:
a top substrate side comprising top pads;
a bottom substrate side comprising bottom pads; and
conductive paths connecting the top pads and the bottom pads;
an interposer die comprising:
an interposer die top side;
an interposer die bottom side; and
interposer die conductive paths that:
pass through the interposer die from the interposer die top side to the interposer die bottom side; and
are electrically connected to the top pads of the package substrate;
a first device die and a second device die that are:
coupled to the interposer die top side;
surrounded by a perimeter of the interposer die top side; and
electrically connected to the interposer die conductive paths; and
an encapsulating layer that encapsulates the first device die, the second device die, and the interposer die top side, wherein the encapsulating layer comprises an encapsulating layer top side, an encapsulating layer bottom side in contact with the interposer die top side, and an exposed encapsulating layer sidewall.
2. The semiconductor device of claim 1 , wherein:
the first device die is part of a stack of device dies coupled to the interposer die top side; and
the second device die is laterally displaced on the interposer die top side from the stack of device dies.
3. The semiconductor device of claim 1 , wherein the interposer die does not include any electronic devices.
4. The semiconductor device of claim 1 , further comprising:
a first underfill material between the interposer die top side and the first device die and between the interposer die top side and the second device die; and
a second underfill material between the interposer die bottom side and the top substrate side, wherein a top side of the second underfill material does not extend beyond the interposer die top side.
5. The semiconductor device of claim 1 , further comprising:
an underfill material between the interposer die top side and the first device die and between the interposer die top side and the second device die; and
wherein the underfill material traverses between the first device die and the second device die along the interposer die top side.
6. The semiconductor device of claim 1 , further comprising a heat sink coupled to the top substrate side, wherein the heat sink laterally surrounds the interposer die.
7. The semiconductor device of claim 1 , wherein the interposer die conductive paths comprise through silicon vias.
8. A semiconductor device, comprising:
a package substrate comprising:
a top substrate side comprising top pads;
a bottom substrate side comprising bottom pads; and
first conductive paths connecting the top pads to the bottom pads;
a semiconductor die comprising:
a semiconductor die top side;
a semiconductor die bottom side; and
second conductive paths from the semiconductor die top side to the semiconductor die bottom side, the second conductive paths electrically connected to the first conductive paths via the bottom pads of the package substrate;
device dies coupled to the semiconductor die top side and electrically connected to first conductive paths of the semiconductor die;
an underfill material between the device dies and the semiconductor die top side, wherein the underfill material further traverses between the device dies along the semiconductor die top side;
an encapsulating layer that encapsulates the device dies and the semiconductor die top side, wherein the encapsulating layer comprises an encapsulating layer top side, an encapsulating layer bottom side in contact with the semiconductor die top side, and an encapsulating layer sidewall that joins the encapsulating layer top side and the encapsulating layer bottom side; and
a heat sink coupled to the substrate, wherein the encapsulating layer sidewall and an inner surface of the heat sink define a cavity.
9. The semiconductor device of claim 8 , wherein a top side of each of the device dies is exposed through the encapsulating layer top side.
10. The semiconductor device of claim 8 , wherein the device dies comprise:
a stack of stacked dies comprising a first die; and
a non-stacked second device die at a position laterally displaced from the stack along the semiconductor die top side.
11. The semiconductor device of claim 8 , wherein semiconductor die does not include any electronic devices.
12. The semiconductor device of claim 8 , further comprising:
a thermal interface material on a top side of a first device die of the device dies; and
wherein the heat sink is coupled to the top side of the first device die via the thermal interface material and laterally surrounds the semiconductor die and the device dies.
13. The semiconductor device of claim 8 , wherein:
the semiconductor die comprises silicon; and
the second conductive paths comprise through-silicon vias.
14. A semiconductor device, comprising:
device dies; and
a package comprising:
a semiconductor die comprising a semiconductor die top side coupled to the device dies, a semiconductor die bottom side comprising conductive bumps, and semiconductor die conductive paths extended between the semiconductor die top side to the semiconductor die bottom side and electrically connected to the device dies to the conductive bumps;
a package substrate comprising a top substrate side comprising top pads coupled to the conductive bumps of the semiconductor die, a bottom substrate side comprising bottom pads, and conductive paths connecting the top pads to the bottom pads; and
a heat sink coupled to the package substrate and laterally surrounding the device dies, wherein a cavity is at least partially defined by an inner surface of the heat sink and sidewall surfaces of the device dies.
15. The semiconductor device of claim 1 , wherein:
a top side of the first device die is exposed through the encapsulating layer top side; and
a top side of the second device die is exposed through the encapsulating layer top side.
16. The semiconductor device of claim 14 , further comprising:
thermal interface material on a top side of a first device die of the device dies; and
wherein the heat sink coupled to the top side of the first device die via the thermal interface material.
17. The semiconductor device of claim 16 , wherein the heat sink is coupled to the top substrate side of the package substrate.
18. The semiconductor device of claim 16 , wherein the inner surface of the heat sink comprises a protrusion that extends inward and contacts the top side of the first device die via the thermal interface material.
19. The semiconductor device of claim 14 , further comprising a passive device coupled to the top substrate side of the package substrate and positioned within the cavity.
20. The semiconductor device of claim 14 , further comprising:
a first underfill material between the semiconductor die top side and the device dies, wherein a top side of the first underfill material does not extend beyond top sides of the device dies; and
a second underfill material between the top substrate side of the package substrate and the semiconductor die bottom side, wherein a top side of the second underfill material does not extend beyond the semiconductor die top side.