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:
Jul. 03, 2012
Filed:
Dec. 15, 2004
Applicants:
Toshiaki Takenaka, Soraku-gun, JP;
Toshikazu Kondou, Katano, JP;
Yukihiro Hiraishi, Nishinomiya, JP;
Kunio Kishimoto, Katano, JP;
Inventors:
Toshiaki Takenaka, Soraku-gun, JP;
Toshikazu Kondou, Katano, JP;
Yukihiro Hiraishi, Nishinomiya, JP;
Kunio Kishimoto, Katano, JP;
Assignee:
Panasonic Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D 5/12 (2006.01); B05D 3/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A mask film, where squeegee cleaning part has been formed at a predetermined position, and another mask film are attached to both sides of a substrate. A through-hole is formed by using a laser, and conductive paste is filled into the through-hole by using a squeezing method. As discussed above, a paste-residue can be prevented on the through-hole, so that a circuit board having high quality of connection can be obtained.