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. 18, 2021
Filed:
Aug. 22, 2018
Applicant:
Ngk Insulators, Ltd., Nagoya, JP;
Inventors:
Assignee:
NGK INSULATORS, LTD., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 3/40 (2006.01); H05K 3/26 (2006.01); H05K 1/03 (2006.01); H05K 1/11 (2006.01);
U.S. Cl.
CPC ...
H05K 3/40 (2013.01); H05K 1/0306 (2013.01); H05K 1/115 (2013.01); H05K 3/26 (2013.01);
Abstract
A metal paste is suppled into a through hole of a ceramic substrate and heated to generate a metal porous body. A glass paste is applied on a main surface of the metal porous body while the glass paste is impregnated into open pores of the metal porous body. The glass paste is hardened by heating to form a glass layer on the main surface of the metal porous body and to make the glass paste impregnated into the open pores form glass phases. The glass layer is removed to obtain a connection substrate having a ceramic substrate and through conductors provided in through holes, respectively. The through conductor includes the metal porous body and glass phases.