IP Library › Granted Patent US 10,714,434
Granted Patent B1
US 10,714,434 · App. 16/236,435 · Granted Jul 14, 2020

Integrated magnetic inductors for embedded-multi-die interconnect bridge substrates

Inventors: Srinivas V. Pietambaram (Gilbert, AZ); Kristof Darmawikarta (Chandler, AZ); Aleksandar Aleksov (Chandler, AZ)
Assignee: Intel Corporation
H01L23/645H01L21/4853H01L23/13H01L23/5381H01L23/5386H01L23/5389H01L28/10
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Quick Facts
Patent No.
US 10,714,434
App. No.
16/236,435
Granted
Jul 14, 2020
Kind
B1
Abstract

An embedded magnetic inductor coil is at least partially exposed in a recess that seats an embedded multi-chip interconnect bridge die on the coil. The embedded multi-chip interconnect bridge die provides a communications bridge between a dominant semiconductive device and a first semiconductive device.

Claims (83)

1. A semiconductor device package, comprising:

an inductor coil in a semiconductor package substrate;

a magnetic material in interstices of the inductor coil;

a recess that projects a footprint onto at least a portion of the inductor coil; and

an embedded multi-die interconnect bridge (EMIB) die in the recess.

2. The semiconductor package substrate of claim 1 , further including wherein the magnetic material includes a surplus in the recess that insulates the inductor coil.

3. The semiconductor package substrate of claim 1 , further including an adhesive dielectric material in the recess that insulates the inductor coil.

4. The semiconductor device package of claim 1 , further including a recess fill material in the recess that contacts the recess and the EMIB die.

5. The semiconductor device package of claim 1 , further including wherein the magnetic material contacts the EMIB die with a surplus of the magnetic material, between the EMIB die and the inductor coil.

6. The semiconductor device package of claim 1 , further including wherein an adhesive dielectric contacts the inductor coil and the EMIB die at a backside of the EMIB die.

7. A semiconductor device package, comprising:

an inductor coil in a semiconductor package substrate;

a magnetic material in interstices of the inductor coil;

a recess that projects a footprint onto at least a portion of the inductor coil;

wherein the inductor coil is a first inductor coil;

a subsequent inductor coil in the semiconductor package substrate;

wherein the magnetic material is in interstices of the subsequent inductor coil;

wherein the recess projects the footprint onto at least a portion of the subsequent inductor coil; and

wherein the first inductor coil has a serpentine form factor, and wherein the subsequent inductor coil has a serpentine form factor.

8. The semiconductor device package of claim 7 :

wherein the first inductor coil has a serpentine form factor of a first orientation;

and

wherein the subsequent inductor coil has a serpentine form factor that is orthogonal to the subsequent inductor coil form factor.

9. The semiconductor device package of claim 7 :

wherein the first inductor coil has a serpentine form factor of a first orientation;

and

wherein the subsequent inductor coil has a spiral form factor.

10. A semiconductor device package, comprising:

an inductor coil in a semiconductor package substrate;

a magnetic material in interstices of the inductor coil;

a recess that projects a footprint onto at least a portion of the inductor coil; wherein the inductor coil is a spiral inductor coil.

11. A semiconductor device package, comprising:

an inductor coil in a semiconductor package substrate;

a magnetic material in interstices of the inductor coil;

a recess that projects a footprint onto at least a portion of the inductor coil;

an embedded multi-die interconnect bridge die in the recess;

a dominant die on a die side of the semiconductor package substrate and contacting the embedded multi-die interconnect bridge die;

a first die on the die side of the semiconductor package substrate and contacting the embedded multi-die interconnect bridge; and

a board on the semiconductor device substrate at a land side opposite the die side.

12. The semiconductor device package of claim 11 , further including

an external shell on the board, wherein the external shell is a dielectric material.

13. The semiconductor device package of claim 11 , further including

wherein the semiconductive device is part of a chipset.

14. The semiconductor device package of claim 11 , further including

wherein the semiconductive device is part of a chipset.

15. A semiconductor device package, comprising:

a semiconductor package substrate including a die side and a land side, with a first recess and a subsequent recess;

a first inductor coil in the semiconductor package substrate and the first recess, wherein the first recess projects a first footprint onto at least part of the first inductor coil;

a first magnetic material in interstices of the first inductor coil;

a first EMIB die in the first recess, above the first inductor coil;

a subsequent inductor coil in the semiconductor package substrate and the subsequent recess, wherein the subsequent recess projects a subsequent footprint onto at least part of the subsequent inductor coil;

a subsequent magnetic material in interstices of the subsequent inductor coil;

a subsequent EMIB die in the subsequent recess, above the subsequent inductor coil;

a dominant semiconductive device above the die side and in contact with the first EMIB die and the subsequent EMIB die;

a first semiconductive device above the die side and in contact with the first EMIB die; and

a subsequent semiconductive device above the die side and in contact with the subsequent EMIB die.

16. The semiconductor device package of claim 15 , further including:

a third recess in the semiconductor package substrate;

a third inductor coil in the semiconductor package substrate and the third recess, wherein the third recess projects a third footprint onto at least part of the third inductor coil;

a third magnetic material in interstices of the subsequent inductor coil;

a third EMIB die in the third recess, above the third inductor coil; and

wherein the dominant semiconductive device is in contact with the third EMIB die.

17. The semiconductor device package of claim 15 , further including:

a third recess in the semiconductor package substrate;

a third inductor coil in the semiconductor package substrate and the third recess, wherein the third recess projects a third footprint onto at least part of the third inductor coil;

a third magnetic material in interstices of the third inductor coil;

a third EMIB die in the third recess, above the third inductor coil;

a fourth recess in the semiconductor package substrate;

a fourth inductor coil in the semiconductor package substrate and the fourth recess, wherein the fourth recess projects a fourth footprint onto at least part of the fourth inductor coil;

a fourth magnetic material in interstices of the fourth inductor coil;

a fourth EMIB die in the fourth recess, above the fourth inductor coil;

wherein the dominant semiconductive device is in contact with the third and fourth EMIB dice;

a third second semiconductive device above the die side and in contact with the third EMIB die; and

a fourth semiconductive device above the die side and in contact with the fourth EMIB die.

18. The semiconductor device package of claim 15 , wherein the first inductor coil has a serpentine form factor, and wherein the subsequent inductor coil has a serpentine form factor.

19. The semiconductor device package of claim 15 , wherein the first inductor coil has a serpentine form factor, and wherein the subsequent inductor coil has a spiral form factor.

20. A process of forming a magnetic core inductor, comprising:

exposing at least part of an inductor coil in a recess in a semiconductor package substrate;

filling magnetic material into interstices in the inductor coil;

electrically insulating the inductor coil at exposed portions of the inductor coil;

seating a bridge die in the recess above the inductor coil and magnetic material;

connecting a dominant semiconductive device to the bridge die; and

connecting a first semiconductive device to the bridge die, to couple the dominant semiconductive device to the first semiconductive device through the bridge die.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 17, 2019
From: PIETAMBARAM, SRINIVAS V.; DARMAWIKARTA, KRISTOF; ALEKSOV, ALEKSANDAR
To: INTEL CORPORATION
Reel/Frame 048913/0745 →
Cited By (2)
US 12,356,552 US 12,374,667