- Patent Title: Multi-layer filter, arrangement, and method for production thereof
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Application No.: US17762969Application Date: 2020-09-24
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Publication No.: US12080934B2Publication Date: 2024-09-03
- Inventor: Abbas Vosoogh
- Applicant: GAPWAVES AB
- Applicant Address: SE Gothenburg
- Assignee: GAPWAVES AB
- Current Assignee: GAPWAVES AB
- Current Assignee Address: SE Gothenburg
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: SE 511831 2019.10.18
- International Application: PCT/SE2020/050898 2020.09.24
- International Announcement: WO2021/076026A 2021.04.22
- Date entered country: 2022-03-23
- Main IPC: H01P1/207
- IPC: H01P1/207 ; H01P3/12 ; H01P3/123

Abstract:
A multi-layer signal filter includes at least three physical layers. Each layer has through going apertures arranged with an offset to apertures of at least one adjoining layer, each layer further has a filter channel opening for receiving signals to be filtered. The apertures are arranged along a perimeter outside the filter channel opening and the apertures are arranged with a central surface portion increasing the edge length of the aperture.
Public/Granted literature
- US20220359967A1 MULTI-LAYER FILTER, ARRANGEMENT, AND METHOD FOR PRODUCTION THEREOF Public/Granted day:2022-11-10
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