Multilayer ferrite sheet, antenna device using the same, and manufacturing method thereof
US9391363B2 · kind B2 · utility
1Cited by
3References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 7, 2013 |
| Grant date | Jul 12, 2016 |
| Priority date | — |
| Expiry date | Jan 14, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/325
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
There are provided a multilayer ferrite sheet capable of performing communications in a wideband frequency, an antenna device using the same, and a manufacturing method thereof. The multilayer ferrite sheet includes: a Y-type hexaferrite layer; and a Z-type hexaferrite layer, wherein the Y-type hexaferrite and the Z-type hexaferrite are alternately laminated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.