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. 25, 2025
Filed:
Jan. 19, 2022
Heraeus Quarzglas Gmbh & Co. KG, Hanau, DE;
Manuel Rosenberger, Hanau, DE;
Jaqueline Plass, Hanau, DE;
Kay Schuster, Bitterfeld-Wolfen, DE;
Enrico Ehrentraut, Hanau, DE;
Tobias Tiess, Bitterfeld-Wolfen, DE;
HERAEUS QUARZGLAS GMBH & CO. KG, Hanau, DE;
Abstract
An anti-resonance element preform for producing an anti-resonant hollow-core fiber, comprising a first longitudinal axis, an ARE outer element designed in a circular arc-like manner, and an ARE inner element, wherein the ARE outer element and the ARE inner element are connected to one another along two connecting lines, which are arranged essentially in parallel to the first longitudinal axis. It is provided that the ARE outer element has an inner space, which is at least partially limited by an ARE outer wall and into which the ARE inner element, designed in a circular arc-like manner, protrudes at least partially.