Search International and National Patent Collections

1. (WO2018012368) WAVEGUIDE FILTER

Pub. No.:    WO/2018/012368    International Application No.:    PCT/JP2017/024642
Publication Date: Fri Jan 19 00:59:59 CET 2018 International Filing Date: Thu Jul 06 01:59:59 CEST 2017
IPC: H01P 1/207
H01P 5/107
Applicants: NEC CORPORATION
日本電気株式会社
Inventors: WADA Yasushi
和田 靖
Title: WAVEGUIDE FILTER
Abstract:
A waveguide filter according to the present invention is provided with: a filter component provided with a first substrate including a filter pattern provided on a first surface of a first substrate body and a first metal film disposed on the outer peripheral portion of a second surface of the first substrate body and a metal case that delimits a hollow section, that is open at a side facing the filter pattern, and that is provided on the first surface side; a second substrate including a second metal film that is provided, on a first surface of a second substrate body having a through-hole facing the hollow section, around the through-hole and that is electrically connected to the first metal film with solder therebetween; and a metal substrate that is electrically connected to the second metal film and that has a recessed section at a portion facing the through-hole.