IP Library Granted Patent US 8,258,015
Granted Patent B2
US 8,258,015 · App. 12/035,493 · Granted Sep 4, 2012

Integrated circuit package system with penetrable film adhesive

Assignee: Stats Chippac Ltd.
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Quick Facts
Patent No.
US 8,258,015
App. No.
12/035,493
Granted
Sep 4, 2012
Kind
B2
Abstract

An integrated circuit package system including: providing a wire bonded die with an active side and a bond wire connected thereto; forming a penetrable film adhesive on the active side and partially encapsulating the bond wire; mounting an interposer, having a first functional side facing up away from the wire bonded die and a second functional side facing down toward the wire bonded die and having exposed conductors, over the wire bonded die; providing a substrate and connecting the first functional side by the exposed conductor with an electrical interconnect to the substrate; and encapsulating the wire bonded die, and the penetrable film adhesive with an encapsulation.

Claims (54)

1. A method for manufacturing an integrated circuit package system comprising:

providing a substrate;

providing a wire bonded die over the substrate with the wire bonded die having an active side and a bond wire connected thereto;

adhering a penetrable film adhesive on the active side;

attaching a second die to the wire bonded die;

mounting an interposer over the wire bonded die, having a first functional side facing up away from the wire bonded die and a second functional side facing down toward the wire bonded die, the first functional side and the second functional side both having exposed conductors;

connecting the exposed conductors on the first functional side with electrical interconnects to the substrate; and

encapsulating the wire bonded die, the second die, and the penetrable film adhesive with an encapsulation in direct contact with both the penetrable film adhesive and an underfill on the second die, wherein the penetrable film adhesive and the underfill are both located between the interposer and the substrate.

2. The method as claimed in claim 1 wherein adhering the penetrable film adhesive on the active side includes partially encapsulating the bond wire by the penetrable film adhesive.

3. The method as claimed in claim 1 wherein adhering the penetrable film adhesive on the active side includes fully encapsulating the bond wire by the penetrable film adhesive.

4. The method as claimed in claim 1 wherein providing the wire bonded die includes connecting the bond wire to the substrate.

5. The method as claimed in claim 1 wherein mounting the interposer over the wire bonded die includes connecting the bond wire to the interposer.

6. A method for manufacturing an integrated circuit package system comprising:

providing a substrate;

providing a wire bonded die over the substrate with the wire bonded die having an active side and a bond wire connected thereto;

adhering a penetrable film adhesive on the active side;

attaching a second die to the wire bonded die;

mounting an interposer having a size equal to or larger than a size of the wire bonded die, opposite the active side, with the interposer having a first functional side facing up away from the wire bonded die and a second functional side facing down toward the wire bonded die, the first functional side and the second functional side both having exposed conductors;

connecting the exposed conductors on the first functional side with electrical interconnects to the substrate; and

encapsulating the wire bonded die, the second die, and the penetrable film adhesive with an encapsulation in direct contact with both the penetrable film adhesive and an underfill on the second die, wherein the penetrable film adhesive and the underfill are both located between the interposer and the substrate.

7. The method as claimed in claim 6 further comprising:

providing a wire bonded die includes providing adjacent wire bonded dies, each with the active side; and

connecting a further bond wire to each of the active side of the adjacent wire bonded dies.

8. The method as claimed in claim 6 wherein

adhering the penetrable film adhesive on the active side includes fully encapsulating the bond wire by the penetrable film adhesive.

9. The method as claimed in claim 6 wherein encapsulating the wire bonded die, the second die, and the penetrable film adhesive with an encapsulation includes encapsulating the wire bonded die and the second die with the encapsulation in direct contact with the wire bonded die, the second die, and the interposer.

10. The method as claimed in claim 6 wherein adhering a penetrable film adhesive includes pressing the penetrable film adhesive over the bond wire.

11. An integrated circuit package system comprising:

a substrate;

a wire bonded die over the substrate with the wire bonded die having an active side;

a bond wire conned to the active side;

a penetrable film adhesive formed on the active side;

a second die attached to the wire bonded die;

an interposer mounted over the wire bonded die, having a first functional side facing up away from the wire bonded die and a second functional side facing down toward the wire bonded die, the first functional side and the second functional side both having exposed conductors;

electrical interconnects connecting the substrate and the exposed conductors on the first functional side;

an underfill on the second die; and

an encapsulation in direct contact with both the penetrable film adhesive and the underfill, wherein the penetrable film adhesive and the underfill are both located between the interposer and the substrate, and the encapsulation is over the wire bonded die, the second die, and the penetrable film adhesive.

12. The system as claimed in claim 11 wherein the bond wire is partially encapsulated by the penetrable film adhesive.

13. The system as claimed in claim 11 wherein the bond wire is fully encapsulated by the penetrable film adhesive.

14. The system as claimed in claim 11 wherein the bond wire is connected to the substrate.

15. The system as claimed in claim 11 wherein the bond wire is connected to the interposer.

16. The system as claimed in claim 11 wherein

the interposer has a size equal to or larger than a size of the wire bonded die.

17. The system as claimed in claim 16 further comprising:

adjacent wire bonded dies each with an active side; and

a further bond wire connected to each of the active side of the adjacent wire bonded dies.

18. The system as claimed in claim 16 wherein

the bond wire is fully encapsulated by the penetrable film adhesive.

19. The system as claimed in claim 16 wherein the encapsulation is in direct contact with the wire bonded die, the second die, and the interposer.

20. The system as claimed in claim 16 wherein the penetrable film adhesive has characteristics of being pressed over the bond wire.

21. The system of claim 11 wherein the second die is a flip chip mounted to the wire bond die.

22. The system of claim 21 further comprising a solder ball connecting the substrate and the second die.

23. The system of claim 22 wherein the underfill is between the second die and the substrate.

24. The system of claim 21 wherein the second die is mounted between the wire bonded die and the interposer and connected to the interposer with solder balls.

Assignments (5)
CORRECTIVE ASSIGNMENT TO CORRECT THE THE ASSIGNEE'S NAME PREVIOUSLY RECORDED AT REEL: 038378 FRAME: 0252. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. Recorded Aug 31, 2023
From: STATS CHIPPAC LTD.
To: STATS CHIPPAC PTE. LTD.
Reel/Frame 065236/0784 →
RELEASE OF SECURITY INTEREST Recorded Jun 8, 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 052864/0057 →
CHANGE OF NAME Recorded Apr 7, 2016
From: STATS CHIPPAC LTD.
To: STATS CHIPPAC PTE. LTE.
Reel/Frame 038378/0252 →
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 Feb 22, 2008
From: CHOW, SENG GUAN; CHUA, LINDA PEI EE; KUAN, HEAP HOE
To: STATS CHIPPAC LTD.
Reel/Frame 020546/0364 →
Continuity (1)
Related Publication 20090212442A1 · Aug 27, 2009