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:
Jun. 30, 2020
Filed:
Sep. 20, 2018
Ngk Insulators, Ltd., Nagoya-Shi, JP;
Yoshio Kondo, Nagoya, JP;
NGK Insulators, Ltd., Nagoya, JP;
Abstract
A heat radiation device includes a heat source, a meta-material structure layer arranged on a front surface side of the heat source and configured to radiate radiant energy in a specific wavelength range by converting heat energy inputted from the heat source into the radiant energy in the specific wavelength range, and a rear-surface metal layer arranged on a rear surface side of the heat source. An average emissivity of the rear-surface metal layer is smaller than an average emissivity of the meta-material structure layer.
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