IP Library Granted Patent US 12,685,156
Granted Patent B2
US 12,685,156 · App. 18/465,844 · Granted Jul 14, 2026

Electronic devices and methods of manufacturing electronic devices

Inventors: Joon Dong Kim (Incheon, KR); Gi Tae Lim (Seoul, KR); Gi Jeong Kim (Gyeonggi-do, KR); Min Hwa Chang (Incheon, KR); Gyu Wan Han (Incheon, KR); Hwi Won Yun (Gyeonggi-do, KR)
Assignee: Amkor Technology Singapore Holding Pte. Ltd.
H10W40/22H10W70/02H10W72/884H10W74/014H10W74/016H10W74/117H10W72/07554H10W72/252H10W72/552H10W72/5522H10W72/5524H10W72/5525H10W72/555H10W74/15H10W90/724H10W90/734H10W90/754
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 12,685,156
App. No.
18/465,844
Granted
Jul 14, 2026
Kind
B2
Abstract

In one example, an electronic device includes a substrate, an electronic component disposed over the substrate, and an encapsulant disposed over the substrate and the electronic component. A molded heat spreader can be disposed over the encapsulant and can comprise a heat spreader and a mold compound disposed around a lateral side of the heat spreader. A lateral side of the mold compound is coplanar with a lateral side of the encapsulant. Other examples and related methods are also disclosed herein.

Claims (29)

1 . An electronic device, comprising:

a substrate;

an electronic component disposed over the substrate;

an encapsulant disposed over the substrate and the electronic component;

a molded heat spreader disposed over the encapsulant, wherein the molded heat spreader comprises:

a heat spreader; and

a mold compound disposed around a lateral side of the heat spreader, wherein a lateral side of the mold compound is coplanar with a lateral side of the encapsulant.

2 . The electronic device of claim 1 , wherein the heat spreader comprises a first side subjected to a surface treatment to increase a roughness, wherein the first side is oriented towards the encapsulant.

3 . The electronic device of claim 2 , further comprising a plating layer disposed over a second side of the heat spreader opposite the first side.

4 . The electronic device of claim 1 , further comprising:

a bond pad of the electronic component oriented away from the substrate; and

a component interconnect coupling the bond pad to the substrate.

5 . The electronic device of claim 1 , wherein the mold compound is disposed over a portion of the heat spreader, around the lateral side of the heat spreader, and over the encapsulant.

6 . The electronic device of claim 1 , wherein a lower side of the heat spreader extends below a lower side of the mold compound.

7 . The electronic device of claim 1 , wherein the substrate comprises a redistribution layer (RDL) substrate.

8 . The electronic device of claim 1 , wherein the lateral side of the encapsulant comprises a step, wherein a first portion of the lateral side of the encapsulant is coplanar with the lateral side of the mold compound, wherein a second portion of the lateral side of the encapsulant protrudes from the first portion.

9 . The electronic device of claim 1 , wherein the lateral side of the heat spreader comprises a step.

10 . An electronic device, comprising:

a substrate;

an electronic component disposed over the substrate;

an interposer disposed over the substrate and defining a cavity;

a heat spreader disposed over the electronic component and in the cavity defined by the interposer; and

an encapsulant disposed between the heat spreader and the electronic component and disposed between the heat spreader and the interposer.

11 . The electronic device of claim 10 , further comprising:

a bond pad of the electronic component oriented away from the substrate; and

a component interconnect coupling the bond pad to the substrate.

12 . The electronic device of claim 10 , wherein the substrate comprises a redistribution layer (RDL) substrate.

13 . The electronic device of claim 10 , further comprising an internal interconnect coupling the substrate to the interposer.

14 . The electronic device of claim 10 , further comprising a component interconnect disposed between the electronic component and the substrate, wherein the component interconnect couples the electronic component to the substrate.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 12, 2023
From: KIM, JOON DONG; LIM, GI TAE; KIM, GI JEONG; CHANG, MIN WHA; HAN, GYU WAN; YUN, HWI WON
To: AMKOR TECHNOLOGY KOREA, INC.
Reel/Frame 064882/0208 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 12, 2023
From: AMKOR TECHNOLOGY KOREA, INC.
To: AMKOR TECHNOLOGY SINGAPORE HOLDING PTE. LTD.
Reel/Frame 064882/0320 →
Continuity (1)
Related Publication 20250087546A1 · Mar 13, 2025
References Cited (15)
US 6469380B2 · Sorimachi et al. · 2002 [cited by applicant]
US 6507116B1 · Caletka et al. · 2003 [cited by applicant]
US 6534859B1 · Shim et al. · 2003 [cited by applicant]
US 7436060B2 · Patel et al. · 2008 [cited by applicant]
US 8049313B2 · Foong · 2011 [cited by examiner]
US 9711485B1 · Berry · 2017 [cited by examiner]
US 11289401B2 · Huang · 2022 [cited by applicant]
US 20060231944A1 · Huang · 2006 [cited by examiner]
US 20100044845A1 · Funaya · 2010 [cited by examiner]
US 20140239479A1 · Start · 2014 [cited by examiner]
US 20150340303A1 · Oh · 2015 [cited by examiner]
US 20200266121A1 · Fuergut et al. · 2020 [cited by applicant]
US 20200343236A1 · Bhagavat · 2020 [cited by examiner]
KR 1020060036433A · 2006 [cited by applicant]
KR 1020110028745A · 2011 [cited by applicant]