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:
Jul. 19, 2016
Filed:
Jul. 29, 2011
Takashi Syoujiguchi, Saitama, JP;
Takashi Syoujiguchi, Saitama, JP;
MITSUI MINING & SMELTING CO., LTD., Tokyo, JP;
Abstract
A metal foil is provided with a filler-containing resin layer that is thin and has a smooth surface as a metal foil provided with an insulating layer. The filler-containing resin layer having a thickness of 0.1 μm to 3.0 μM, the gloss at the surface of the filler-containing resin layer is 200 or more, and the surface roughness (Ra) measured by an atomic force microscope in a measurement area of 5 μm×5 μM on the filler-containing resin layer is 25 nm or less is stacked on the smooth surface of the metal foil having a gloss exceeding 400 and surface roughness (Ra) measured by an atomic force microscope in a measurement area of 5 μm×5 μm of 10 nm or less.