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:
Nov. 15, 2016
Filed:
Feb. 28, 2013
Kyocera Corporation, Kyoto, JP;
Masanobu Kitada, Kyoto, JP;
Kyocera Corporation, Kyoto, JP;
Abstract
Provided is a composite substrate having a semiconductor layer wherein diffusion of a metal is suppressed. This composite substrate has: a single crystal supporting substrate composed of an insulating oxide; a semiconductor layer, which has one main surface overlapping the supporting substrate, and which is composed of a single crystal; and a polycrystalline or amorphous intermediate layer, which is positioned between the supporting substrate and the semiconductor layer, and which has, as a main component, an element constituting the supporting substrate or an element constituting the semiconductor layer, and in which the ratio of accessory components other than the main component is less than 1 mass %.