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Electronic device module

專利號(hào)
US11528800B2
公開日期
2022-12-13
申請(qǐng)人
Samsung Electro-Mechanics Co., Ltd.(KR Suwon-si)
發(fā)明人
Seok Yoon Hong; Han Su Park; Hyuk Ki Kwon
IPC分類
H05K1/00; H05K1/02; H01Q9/16; H01Q1/02; H01Q9/04
技術(shù)領(lǐng)域
radiating,portion,shielding,heat,sealing,surface,exothermic,electronic,device,may
地域: Suwon-si

摘要

An electronic device module includes: a substrate; a sealing portion disposed on a first surface of the substrate; an exothermic device disposed on the first surface of the substrate and embedded in the sealing portion; and a heat radiating portion at least partially embedded in the sealing portion. A lower surface of the heat radiating portion is bonded to one surface of the exothermic device. A side surface of the heat radiating portion is curved and is entirely in contact with the sealing portion. A plurality of grooves are disposed in the side surface of the heat radiating portion.

說明書

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims the benefit under 35 U.S.C. § 119(a) of Korean Patent Application No. 10-2020-0098917 filed on Aug. 7, 2020 in the Korean Intellectual Property Office, the entire disclosure of which is incorporated herein by reference for all purposes.

BACKGROUND 1. Field

The following description relates to an electronic device module.

2. Description of Related Art

There has been increased demand for portable electronic products in the electronic products market. To meet such demand, electronic devices mounted on such portable electronic products have been required to have a reduced size and weight.

To reduce the size and weight of such electronic devices, a technique of reducing a size of an individual mounting component, a system on chip (SOC) technique for configuring a plurality of individual devices on a single chip, and a system in package (SIP) technique for integrating a plurality of individual devices as a single package have been continuously studied.

In particular, a high frequency electronic device module, such as a communication module or a network module, which uses a high frequency signal, may generate a large amount of heat during operations thereof as a frequency band increases. In this regard, there has been demand for an electronic device module capable of effectively releasing heat.

SUMMARY

權(quán)利要求

1
What is claimed is:1. An electronic device module, comprising:a substrate;an exothermic device disposed on a first surface of the substrate;a sealing portion embedding the exothermic device disposed on the first surface of the substrate; anda heat radiating portion at least partially embedded in the sealing portion,wherein a lower surface of the heat radiating portion is bonded to one surface of the exothermic device, a side surface of the heat radiating portion is curved and is entirely in contact with the sealing portion, and a plurality of grooves are disposed in the side surface of the heat radiating portion.2. The electronic device module of claim 1, wherein the heat radiating portion comprises an exposed surface exposed to an outside of the sealing portion and opposing the lower surface of the heat radiating portion.3. The electronic device module of claim 2, wherein the heat radiating portion has a horizontal cross-section area increasing toward the exposed surface.4. The electronic device module of claim 3, wherein the side surface of the heat radiating portion is inclined.5. The electronic device module of claim 3, further comprising an electronic component mounted on the substrate in a position adjacent to the exothermic device,wherein a portion of the heat radiating portion faces an upper surface of the electronic component.6. The electronic device module of claim 2, wherein the exposed surface of the heat radiating portion has a surface area larger than a surface area of the one surface of the exothermic device.7. The electronic device module of claim 6, wherein a surface area of the lower surface of the heat radiating portion is smaller than the surface area of the one surface of the exothermic device.8. The electronic device module of claim 1, wherein the side surface of the heat radiating portion comprises a first side surface portion formed to have an arch shape and a second side surface portion having a ridge and a valley repeatedly disposed therein.9. The electronic device module of claim 1, further comprising a bonding layer disposed between the exothermic device and the heat radiating portion and bonding the exothermic device to the heat radiating portion.10. The electronic device module of claim 1, further comprising an electronic component mounted on the substrate in a position adjacent to the exothermic device,wherein a mounting height of the electronic component is greater than a mounting height of the exothermic device.11. The electronic device module of claim 1, further comprising an electronic component mounted on the first surface of the substrate and disposed outside of the sealing portion.12. The electronic device module of claim 10, further comprising an antenna disposed inside the substrate or on a second surface of the substrate.13. The electronic device module of claim 12, wherein the antenna comprises a patch antenna disposed in a region opposing the sealing portion.14. The electronic device module of claim 12, wherein the antenna comprises a dipole antenna disposed in a region not opposing the sealing portion.15. The electronic device module of claim 1, further comprising a shielding layer disposed on a surface of the sealing portion and configured to shield an electromagnetic wave,wherein one surface of the heat radiating portion is bonded to the shielding layer.16. The electronic device module of claim 15, further comprising a shielding wall disposed inside the sealing portion and electrically connecting the substrate to the shielding layer.17. An electronic device module, comprising:a substrate;an exothermic device disposed on a first surface of the substrate;a sealing portion embedding the exothermic device disposed on the first surface of the substrate; anda heat radiating portion at least partially embedded in the sealing portion and comprising a lower surface bonded to one surface of the exothermic device,wherein an entire interface between the heat radiating portion and the sealing portion is curved, andwherein a side surface plane of the heat radiating portion and a side surface plane of the exothermic device are laterally spaced apart from each other by 150 μm or more.18. The electronic device module of claim 17, wherein the heat radiating portion comprises an upper surface having a same shape as the lower surface of the heat radiating portion.
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