IP Library Granted Patent US 7,034,387
Granted Patent B2
US 7,034,387 · App. 10/618,933 · Granted Apr 25, 2006

Semiconductor multipackage module including processor and memory package assemblies

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Quick Facts
Patent No.
US 7,034,387
App. No.
10/618,933
Granted
Apr 25, 2006
Kind
B2
Abstract

A semiconductor multi-package module includes a processor and a plurality of memory packages mounted on a surface of the multipackage module substrate. In some embodiments the memory packages include stacked die packages, and in some embodiments the memory packages include stacked memory packages. In some embodiments the processor is situated at or near the center of the multipackage module substrate and the plurality of memory packages or of stacked memory package assemblies are situated on the multipackage module substrate adjacent the processor.

Claims (50)

1. A multi-package module, comprising

a module substrate,

a processor mounted on a portion of a first surface of the module substrate, and

a plurality of memory package stacks disposed over portions of the module substrate adjacent the portion to which the processor is mounted, wherein each memory package stack comprises a first package affixed onto a first surface of a package stack substrate and a second package affixed onto a second surface of the package stack substrate each of the memory package stacks comprises a die affixed to a package substrate, wherein the plurality of memory package stacks comprise a memory package assembly, wherein a common memory package assembly substrate comprises the package stack substrate for each of the plurality of memory package stacks, and wherein the common memory assembly substrate spans the portion of the module substrate onto which the processor is mounted.

2. The multi-package module of claim 1 wherein the processor comprises a CPU.

3. The multi-package module of claim 1 wherein the processor comprises a GPU.

4. The multi-package module of claim 1 wherein the processor comprises an ASIC.

5. The multi-package module of claim 1 wherein the memory package stack comprises a first package affixed onto a first surface of a package stack substrate and a second package affixed onto a second suface of the package stack substrate.

6. The multi-package module of claim 1 wherein the first package is a BGA package.

7. The multi-package module of claim 6 wherein an array of balls provides for electrical interconnection of each BGA memory package to a surface of the memory stack. substrate.

8. The multi-package module of claim 7 wherein an array of bumps provides for electrical interconnection of each BGA memory package to a surface of the memory stack substrate.

9. The multi-package module of claim 6 wherein an upper BGA package in the stack is connected to an upper surface of the memory stack substrate and a lower BGA package in the stack is inverted and connected to a lower surface of the memory stack substrate.

10. The multi-package module of claim 1 wherein the first package is a LGA package.

11. The multi-package module of claim 10 wherein z-interconnection between the LGA memory packages and the module substrate is made by wire bonding between each LGA memory package substrate and the module substrate.

12. The multi-package module of claim 1 wherein an opening is provided in the common memory assembly substrate over the processor.

13. The multi-package module of claim 12 wherein a heat slug is mounted onto the processor, and the opening in the common memory assembly substrate accommodates the heat slug.

14. The multi-package module of claim 13 wherein the heat slug occupies the volume between a top surface of the processor and an upper limit of the module.

15. The multi-package module of claim 14 wherein a heat spreader is mounted onto a top surface of the heat slug.

16. A multi-package module, comprising

a module substrate,

a processor mounted on a portion of a first surface of the module substrate, and

a memory package stack disposed over a portion of the module substrate adjacent the portion to which the processor is mounted, wherein the memory package stack comprises a first package affixed onto a first surface of the module substrate and a second package affixed onto the first package, wherein the first package is a LGA package, and wherein the memory package in the stack are stacked in like orientation, and are separated by a spacer to provide relief for z-interconnect wire bond loops between a lower package in the stack and the module substrate.

17. The multi-package module of claim 16 wherein each LGA memory package in the slack is electrically connected to the memory stack substrate by wire bonding, and the z-interconnect between the memory package and the module substrate is made by wire bonding between the memory stack substrate and the module substrate.

18. A multi-package module, comprising

a module substrate,

a processor mounted on a portion of a first surface of the module substrate, and

a memory package stack disposed over a portion of the module substrate adjacent the portion to which the processor is mounted, wherein the memory package stack comprises a first package affixed onto a first surface of a package stack substrate and a second package affixed onto a second surface of the package stack substrate, wherein the first package is a LGA package, and wherein a lower LGA package in the stack is affixed to and is wire bond connected to a lower surface of the memory stack substrate and an upper LGA package in the stack is inverted and affixed to and is wire bond connected to an upper surface of the memory stack substrate.

19. A multi-package module comprising

a module substrate,

a processor mounted on a portion of a first surface of the module substrate, and

a plurality of memory package stacks disposed in part over a portion of the module substrate adjacent the portion to which the processor is mounted, wherein each memory package stack comprises a first package affixed onto a first surface of a package stack substrate and a second package affixed onto a second surface of the package stack substrate each of the memory package stacks comprises a die affixed to a package substrate wherein the plurality of memory package stacks comprise a memory package assembly, and wherein a common memory package assembly substrate comprises the package stack substrate for each of the plurality of memory package stacks and wherein the common memory assembly substrate spans the portion of the module substrate onto which the processor is mounted.

20. The multi-package module of claim 19 wherein the processor comprises a CPU.

21. The multi-package module of claim 19 wherein the processor comprises a GPU.

22. The multi-package module of claim 19 wherein the processor comprises an ASIC.

23. The multi-package module of claim 19 wherein the first package is a BGA package.

24. The multi-package module of claim 19 wherein the first package is a LGA package.

25. The multi-package module of claim 19 wherein an opening is provided in the common memory assembly substrate over the processor.

26. The multi-package module of claim 25 wherein a heat slug is mounted onto the processor, and the opening in the common memory assembly substrate accommodates the heat slug.

27. The multi-package module of claim 26 wherein the heat slug occupies the volume between a top surface of the processor and an upper limit of the module.

28. The multi-package module of claim 27 wherein a heat spreader is mounted onto a top surface of the heat slug.

29. The multi-package module of claim 19 wherein the memory packages comprise BGA memory packages and wherein an array of balls provides for electrical interconnection of each BGA memory package to a surface of the common memory assembly substrate.

30. The multi-package module of claim 19 wherein the memory packages comprise BGA memory packages and an array of bumps provides for electrical interconnection of each BGA memory package to a surface of the common memory assembly substrate.

31. The multi-package module of claim 19 wherein the memory packages comprise BGA packages and wherein an upper BGA package in the stack is connected to an upper surface of the common memory assembly substrate and a lower BGA package in the stack is inverted and connected to a lower surface of the common memory assembly substrate.

32. The multi-package module of claim 19 wherein the memory packages comprise LGA memory packages.

33. The multi-package module of claim 32 wherein z-interconnection between the LGA memory packages and the module substrate is made by wire bonding between each LGA memory package substrate and the module substrate.

34. The multi-package module of claim 32 wherein the LGA memory packages in the stack are stacked in like orientation, and are separated by spacers to provide relief for z-interconnect wire bond loops between a lower package in the stack and the module substrate.

35. The multi-package module of claim 19 wherein each LGA memory package is electrically connected to the common memory assembly substrate by wire bonding, and the z-interconnect between the memory package assembly and the module substrate is made by wire bonding between the common memory assembly substrate and the module substrate.

36. The multi-package module of claim 19 wherein a lower LGA package is affixed to and is wire bond connected to a lower surface of the common memory assembly substrate and an upper LGA package is inverted and affixed to and is wire bond connected to an upper surface of the common memory assembly substrate.

37. The multi-package module of claim 19 , comprising two said memory package stacks, one each disposed on opposite sides of the processor.

38. The multi-package module of claim 19 , comprising four said memory package stacks, two each disposed on opposite sides of the processor.

Assignments (6)
RELEASE OF SECURITY INTEREST Recorded Jun 4, 2020
From: CITICORP INTERNATIONAL LIMITED, AS COMMON SECURITY AGENT
To: STATS CHIPPAC, INC.; STATS CHIPPAC PTE. LTD. FORMERLY KNOWN AS STATS CHIPPAC LTD.
Reel/Frame 052844/0491 →
CHANGE OF NAME Recorded Apr 7, 2016
From: STATS CHIPPAC LTD
To: STATS CHIPPAC PTE. LTE
Reel/Frame 038378/0200 →
MERGER AND CHANGE OF NAME Recorded Aug 6, 2015
From: CHIPPAC, INC.; STATS CHIPPAC, INC.
To: STATS CHIPPAC, INC.
Reel/Frame 036286/0612 →
SECURITY INTEREST Recorded Aug 6, 2015
From: STATS CHIPPAC, INC.; STATS CHIPPAC LTD.
To: CITICORP INTERNATIONAL LIMITED, AS COMMON SECURITY AGENT
Reel/Frame 036288/0748 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 22, 2008
From: KARNEZOS, MARCOS
To: CHIPPAC, INC.
Reel/Frame 021720/0396 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 14, 2003
From: KARNEZOS, MARCOS
To: CHIPPAC, INC.
Reel/Frame 014298/0382 →