The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 14, 2023

Filed:

Jul. 23, 2021
Applicants:

Hong Heng Sheng Electronical Technology (Huaian) Co., Ltd., Huaian, CN;

Avary Holding (Shenzhen) Co., Limited., Shenzhen, CN;

Inventors:

Pan Tang, Huaian, CN;

Fu-Lin Chang, New Taipei, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/00 (2006.01); H01L 23/38 (2006.01); H01L 23/50 (2006.01); H01L 23/528 (2006.01); H01L 33/00 (2010.01); H01L 33/44 (2010.01); H01L 33/48 (2010.01); H01L 33/56 (2010.01); H01L 33/62 (2010.01); H05K 3/00 (2006.01); H05K 1/02 (2006.01); H05K 3/24 (2006.01);
U.S. Cl.
CPC ...
H05K 3/0094 (2013.01); H05K 1/0206 (2013.01); H05K 3/241 (2013.01);
Abstract

A circuit board with improved heat dissipation function and a method for manufacturing the circuit board are provided. The method includes providing a first metal layer defining a first slot; forming a first adhesive layer in the first slot; electroplating copper on each first pillar to form a first heat conducting portion; forming a first insulating layer on the first adhesive layer having the first heat conducting portion, and defining a first blind hole in the first insulating layer; filling the first blind hole with thermoelectric separation metal to form a second heat conducting portion; forming a first wiring layer on the first insulating layer; forming a second insulating layer on the first wiring layer, defining a second blind hole on the second insulating layer; electroplating copper in the second blind hole to form a third heat conducting portion; mounting an electronic component on the second insulating layer.


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