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:
Apr. 14, 2026
Filed:
Apr. 01, 2022
Applicant:
Lpkf Laser & Electronics Ag, Garbsen, DE;
Inventors:
Norbert Ambrosius, Kevelaer, DE;
Roman Ostholt, Langenhagen, DE;
Assignee:
LPKF LASER & ELECTRONICS AG, Garbsen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10W 70/05 (2026.01); B23K 26/0622 (2014.01); B23K 26/382 (2014.01); H05K 3/00 (2006.01); H10W 70/63 (2026.01); B23K 101/40 (2006.01); B23K 103/00 (2006.01); H10W 70/692 (2026.01);
U.S. Cl.
CPC ...
H10W 70/095 (2026.01); B23K 26/0624 (2015.10); B23K 26/382 (2015.10); H05K 3/0029 (2013.01); H10W 70/635 (2026.01); B23K 2101/40 (2018.08); B23K 2103/54 (2018.08); H05K 3/0017 (2013.01); H10W 70/692 (2026.01);
Abstract
A method for making a recess or opening in a planar workpiece with a thickness of less than 3 millimeters includes successively etching a plurality of flaws to form the recess or opening such that a contour of the recess or opening has a sequence of widenings and constrictions as a result of the etching.