IP Library Granted Patent US 8,211,746
Granted Patent B2
US 8,211,746 · App. 13/117,500 · Granted Jul 3, 2012

Integrated circuit packaging system with lead frame and method of manufacture thereof

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Quick Facts
Patent No.
US 8,211,746
App. No.
13/117,500
Granted
Jul 3, 2012
Kind
B2
Abstract

A method of manufacture of an integrated circuit packaging system includes: providing a base substrate; attaching a base device over the base substrate; attaching a leadframe having a leadframe pillar adjacent the base device over the base substrate; applying a base encapsulant over the base device, the base substrate, and the leadframe; removing a portion of the base encapsulant and a portion of the leadframe providing the leadframe pillar partially exposed; and attaching a base substrate connector to the base substrate directly below the leadframe pillar.

Claims (41)

1. A method of manufacture of an integrated circuit packaging system comprising:

providing a base substrate;

attaching a base device over the base substrate;

attaching a leadframe having a leadframe pillar adjacent the base device over the base substrate;

applying a base encapsulant over the base device, the base substrate, and the leadframe;

removing a portion of the base encapsulant and a portion of the leadframe providing the leadframe pillar partially exposed; and

attaching a base substrate connector to the base substrate directly below the leadframe pillar.

2. The method as claimed in claim 1 further comprising attaching an electrical component over the leadframe pillar.

3. The method as claimed in claim 1 wherein removing the portion of the leadframe includes forming a top of the leadframe pillar above the base device.

4. The method as claimed in claim 1 wherein removing the portion of the leadframe includes forming a top of the leadframe pillar below a top of the base device.

5. The method as claimed in claim 1 further comprising attaching the leadframe to the base device for thermal dissipation.

6. A method of manufacture of an integrated circuit packaging system comprising:

providing a base substrate with a top connection region, having a top connection width, on a base top side of the base substrate;

attaching a base device over the base top side;

attaching a leadframe having a leadframe pillar, having a pillar width, adjacent the base device over the base top side, the top connection width is greater than or equal to the pillar width;

applying a base encapsulant over the base device, the base top side, and the leadframe;

removing a portion of the base encapsulant and a portion of the leadframe providing a top of the leadframe pillar exposed; and

attaching a base substrate connector to the base substrate directly below the leadframe pillar.

7. The method as claimed in claim 6 further comprising attaching an electrical component to the top of the leadframe pillar with a package interconnect.

8. The method as claimed in claim 6 wherein removing the portion of the leadframe includes forming the top of the leadframe pillar above a side of the base device opposite the base substrate.

9. The method as claimed in claim 6 wherein removing the portion of the leadframe includes forming the top of the leadframe pillar below a side of the base device opposite the base substrate.

10. The method as claimed in claim 6 further comprising attaching the leadframe having a protrusion over the base device.

11. An integrated circuit packaging system comprising:

a base substrate;

a base device over the base substrate;

a leadframe pillar, having characteristics of a portion of a leadframe being removed, adjacent the base device over the base substrate;

a base encapsulant over the base device, the base substrate, and the leadframe pillar partially exposed; and

a base substrate connector attached to the base substrate directly below the leadframe pillar.

12. The system as claimed in claim 11 further comprising an electrical component attached over the leadframe pillar.

13. The system as claimed in claim 11 wherein the leadframe pillar includes a top of the leadframe pillar formed above the base device.

14. The system as claimed in claim 11 wherein the leadframe pillar includes a top of the leadframe pillar formed below a top of the base device.

15. The system as claimed in claim 11 further comprising a portion of the leadframe attached to the base device for thermal dissipation.

16. The system as claimed in claim 11 wherein:

the base substrate has a base top side;

the base device is over the base top side;

the leadframe pillar, having characteristics of a portion of the leadframe being removed, is adjacent the base device over the base top side; and

the base encapsulant is over the base device, the base top side, with a top of the leadframe pillar exposed.

17. The system as claimed in claim 16 further comprising an electrical component attached to the top of the leadframe pillar with a package interconnect.

18. The system as claimed in claim 16 wherein the leadframe pillar includes the top of the leadframe pillar formed above a side of the base device opposite the base substrate.

19. The system as claimed in claim 16 wherein the leadframe pillar includes the top of the leadframe pillar formed below a side of the base device opposite the base substrate.

20. The system as claimed in claim 16 further comprising a portion of the leadframe having a protrusion attached to the base device.

Assignments (7)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 3, 2025
From: STATS CHIPPAC PTE. LTD.
To: STATS CHIPPAC MANAGEMENT PTE. LTD.
Reel/Frame 072788/0917 →
CORRECTIVE ASSIGNMENT TO CORRECT A TYPOGRAPHICAL ERROR ON THE COVER SHEET PREVIOUSLY RECORDED AT REEL: 038388 FRAME: 0036. ASSIGNOR(S) HEREBY CONFIRMS THE CHANGE OF NAME. Recorded Sep 7, 2023
From: STATS CHIPPAC LTD.
To: STATS CHIPPAC PTE. LTD.
Reel/Frame 064834/0911 →
CORRECTIVE ASSIGNMENT TO CORRECT A TYPOGRAPHICAL ERROR ON THE COVER SHEET PREVIOUSLY RECORDED AT REEL: 064789 FRAME: 0885. ASSIGNOR(S) HEREBY CONFIRMS THE CORRECTIVE ASSIGNMENT. Recorded Sep 7, 2023
From: STATS CHIPPAC LTD.
To: STATS CHIPPAC PTE. LTD.
Reel/Frame 064836/0363 →
CORRECT ERROR IN ASSIGNMENT NAME FROM STATS CHIPPAC PTE. LTE. TO STATS CHIPPAC PTE. LTD. (REEL: 38388 FRAME: 0036 Recorded Aug 31, 2023
From: STATS CHIPPAC LTD.
To: STATS CHIPPAC PTE. LTE.
Reel/Frame 064789/0885 →
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 8, 2016
From: STATS CHIPPAC LTD.
To: STATS CHIPPAC PTE. LTE.
Reel/Frame 038388/0036 →
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 →