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. 24, 2020
Filed:
Jan. 26, 2017
Plansee SE, Reutte, AT;
Michael Mark, Arzl I.P., AT;
Hannes Traxler, Lechaschau, AT;
Michael O'Sullivan, Ehenbichl, AT;
Wolfram Knabl, Reutte, AT;
Alexander Lorich, Pflach, AT;
Robert Schiftner, Ehrwald, AT;
Plansee SE, Reutte, AT;
Abstract
A crucible includes a wall made of a base material of tungsten or molybdenum or of a material based on tungsten or molybdenum. A barrier layer is disposed at least in sections on an outer side of the wall and/or in the wall. The barrier layer is made of a metallic material having a greater affinity for carbon and/or oxygen than the base material. A method for using a crucible for producing single-crystal sapphire or fused quartz and a method for producing a crucible for high-temperature applications are also provided.