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.
Patent No.:
Date of Patent:
Jan. 06, 2026
Filed:
Sep. 04, 2020
Applicant:
Dai Nippon Printing Co., Ltd., Tokyo, JP;
Inventors:
Shinichiro Takahashi, Tokyo, JP;
Takayuki Ota, Tokyo, JP;
Kazunori Oda, Tokyo, JP;
Toshihiko Takeda, Tokyo, JP;
Kiyotaka Takematsu, Tokyo, JP;
Terutoshi Momose, Tokyo, JP;
Assignee:
DAI NIPPON PRINTING CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 7/20 (2006.01); F28D 15/02 (2006.01); H01L 23/427 (2006.01);
U.S. Cl.
CPC ...
H05K 7/20336 (2013.01); H01L 23/427 (2013.01); F28D 15/0233 (2013.01);
Abstract
Included are a plurality of first flow paths, and second flow paths arranged between adjacent ones of the first flow paths; and a layer including grooves constituting the first flow paths and the second flow paths, and a layer laminated on the insides of the grooves, and constituting inner surfaces of the first flow paths and the second flow paths.