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:
May. 11, 2021
Filed:
Oct. 27, 2017
Dexerials Corporation, Tokyo, JP;
DEXERIALS CORPORATION, Tokyo, JP;
Abstract
A filler-containing film that can be precisely pressed to an electronic component with lower thrust is a film having a filler distributed layer in which fillers are regularly disposed in a resin layer, wherein an area occupancy rate of the fillers in a plan view is 25% or less, a ratio La/D between a layer thickness La of the resin layer and a particle diameter D of the fillers is 0.3 or more and 1.3 or less, and a proportion by number of the fillers present in a non-contact state with each other is 95% or more with respect to the entire fillers. The proportion by number of the fillers present in a non-contact state with each other is preferably 99.5% or more with respect to the entire fillers.