Multi-layer filter, arrangement, and method for production thereof
US12080934B2 · kind B2 · utility
0Cited by
2References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 24, 2020 |
| Grant date | Sep 3, 2024 |
| Priority date | — |
| Expiry date | Sep 25, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01P3/123
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.