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:
Aug. 19, 2025
Filed:
May. 02, 2022
Applicant:
Infineon Technologies Ag, Neubiberg, DE;
Inventors:
Charles Rimbert-Riviere, Soest, DE;
Sven Buchholz, Dortmund, DE;
Assignee:
Infineon Technologies AG, Neubiberg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 26/38 (2014.01); B23K 26/402 (2014.01); B23K 103/00 (2006.01); H01L 21/48 (2006.01);
U.S. Cl.
CPC ...
B23K 26/38 (2013.01); B23K 26/402 (2013.01); B23K 2103/52 (2018.08); H01L 21/4807 (2013.01);
Abstract
A method includes forming a plurality of perforations in a ceramic mastercard by a first laser process, wherein forming the plurality of perforations includes reducing a first thickness of the ceramic mastercard to a second thickness along first predefined lines, and cutting through an entire thickness of the ceramic mastercard along a plurality of second predefined lines by a second laser process, wherein the first predefined lines and the second predefined lines overlap only partly.