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.

Date of Patent:
Jan. 28, 2020

Filed:

Dec. 22, 2017
Applicant:

Murata Manufacturing Co., Ltd, Kyoto, JP;

Inventors:

Yoshihisa Masuda, Kyoto, JP;

Ryoichi Kita, Kyoto, JP;

Issei Yamamoto, Kyoto, JP;

Katsuki Nakanishi, Kyoto, JP;

Yukio Nakazawa, Kyoto, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 23/552 (2006.01); H01L 21/56 (2006.01); H01L 23/31 (2006.01); H01L 23/538 (2006.01); H01L 23/66 (2006.01); H01L 21/48 (2006.01);
U.S. Cl.
CPC ...
H01L 23/552 (2013.01); H01L 21/565 (2013.01); H01L 23/3114 (2013.01); H01L 23/538 (2013.01); H01L 23/66 (2013.01); H01L 21/4853 (2013.01);
Abstract

A radio frequency module includes a wiring substrate, a plurality of components mounted on an upper surface of the wiring substrate, a sealing resin layer laminated on the upper surface of the wiring substrate and covering the plurality of components, a groove formed in an upper surface of the sealing resin layer and extending between predetermined components of the plurality of components, and a shielding wall made of conductive paste in the groove. The sealing resin layer has a stepped area defining the higher portion and lower portion in the upper surface. The groove intersects the stepped area when the wiring substrate is seen in plan view.


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