Patent · US Active

Method and apparatus for filamentation of workpieces not having a plan-parallel shape, and workpiece produced by filamentation

US11148231B2 · kind B2 · utility

0Cited by

18References

19Claims

0Family size

Assignee

Schott AG · DE

Inventors

Andreas Ortner · Gau-Algesheim, DE
Albrecht Seidl · Niedernberg, DE
Frank-Thomas Lentes · Bingen, DE
Fabian Wagner · Heubach, DE

Key dates

Filing date	Apr 5, 2018
Grant date	Oct 19, 2021
Priority date	—
Expiry date	Jan 9, 2039

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB23K2101/40
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A method for filamentation of a dielectric workpiece has a workpiece with a thickness between 0.5 and 20 mm is provided. The workpiece has boundary surfaces delimiting the workpiece. The thickness of the workpiece varies spatially and/or at least one of the boundary surfaces delimiting the workpiece has at least one curvature with a radius of curvature between 0.1 μm and 10 m. The dielectric workpiece can have a specially formed edge.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.