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:
Jun. 24, 2025

Filed:

Jan. 23, 2023
Applicant:

Murata Manufacturing Co., Ltd., Kyoto, JP;

Inventor:

Koji Furutani, Kyoto, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/40 (2015.01); H03F 3/24 (2006.01); H04B 1/24 (2006.01); H04B 1/38 (2015.01);
U.S. Cl.
CPC ...
H04B 1/38 (2013.01); H03F 3/245 (2013.01); H03F 2200/294 (2013.01); H03F 2200/451 (2013.01);
Abstract

A radio-frequency module includes a multilayer substrate, a first semiconductor device, a second semiconductor device, and a metal layer. The multilayer substrate includes a plurality of stacked layers, and has a first major face and a second major face. The first major face includes a first recess. The first semiconductor device is mounted over a bottom face of the first recess. The second semiconductor device is mounted over the first major face so as to overlie the first recess. The first semiconductor device is connected with a metallic via that extends through a portion of the multilayer substrate from the bottom face of the first recess to the second major face. The metal layer is disposed between the first semiconductor device and the second semiconductor device so as to overlie the first recess.


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