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:
Mar. 22, 2022

Filed:

May. 02, 2018
Applicant:

Sharp Kabushiki Kaisha, Sakai, JP;

Inventors:

Miho Yamada, Sakai, JP;

Kiyoshi Minoura, Sakai, JP;

Takahiro Nakahara, Sakai, JP;

Kouji Kusumoto, Sakai, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 15/04 (2006.01); B32B 9/00 (2006.01); F28F 19/02 (2006.01); C25D 11/12 (2006.01); C25D 11/08 (2006.01); F28F 13/18 (2006.01); F24D 17/00 (2022.01); C25D 11/10 (2006.01); A47J 31/44 (2006.01); C25D 11/24 (2006.01); B65D 81/24 (2006.01);
U.S. Cl.
CPC ...
F28F 19/02 (2013.01); A47J 31/4403 (2013.01); C25D 11/08 (2013.01); C25D 11/10 (2013.01); C25D 11/12 (2013.01); C25D 11/24 (2013.01); F24D 17/0073 (2013.01); F28F 13/187 (2013.01); B65D 81/24 (2013.01); F28F 2265/20 (2013.01);
Abstract

A heat exchanger includes a fin, the fin including a metal base and a porous anodized layer formed on the metal base. A surface of the porous anodized layer has a submicron-order uneven structure, the uneven structure including a plurality of recessed portions whose two-dimensional size viewed in a normal direction of the surface is more than 100 nm and less than 500 nm.


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