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:
Jun. 15, 2021
Filed:
Jan. 28, 2020
Applicant:
At&s (China) Co. Ltd., Shanghai, CN;
Inventors:
Assignee:
AT&S (China) Co. Ltd., Shanghai, CN;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H05K 3/02 (2006.01); H05K 1/11 (2006.01); H05K 3/00 (2006.01); H05K 1/18 (2006.01);
U.S. Cl.
CPC ...
H05K 1/115 (2013.01); H05K 1/186 (2013.01); H05K 3/0035 (2013.01); H05K 3/0038 (2013.01); H05K 3/027 (2013.01); H05K 2201/09518 (2013.01); H05K 2201/09827 (2013.01); H05K 2203/107 (2013.01);
Abstract
A method includes providing an electrically conductive layer structure on top of an electrically insulating layer structure, forming a window in the electrically conductive layer structure and removing material of the electrically insulating layer structure below the window by a first laser beam, and subsequently removing further material of the electrically insulating layer structure below the window by a second laser beam having a smaller size than a size of the window.