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:
May. 31, 2022
Filed:
Dec. 19, 2019
Applicant:
Safran Electronics & Defense, Boulogne-Billancourt, FR;
Inventors:
François Guillot, Moissy-Cramayel, FR;
Patrice Chetanneau, Moissy-Cramayel, FR;
Assignee:
SAFRAN ELECTRONICS & DEFENSE, Boulogne-Billancourt, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 3/46 (2006.01); H05K 3/40 (2006.01);
U.S. Cl.
CPC ...
H05K 3/4623 (2013.01); H05K 3/4007 (2013.01);
Abstract
A process for producing a backplane circuit board () having an internal face () adapted to be connected to connectors () of circuit boards () and an external face () adapted to be connected to an external connector (), blind holes () opening on the internal face () and external face () of the backplane circuit board (), wherein bonding layers () having zones () cleared of material facing the blind holes are used between the printed circuits ().