Magnetic apparatus including thin film YIG resonator
US4701729A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 6, 1985 |
| Grant date | Oct 20, 1987 |
| Priority date | — |
| Expiry date | Mar 6, 2005 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F7/02
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed herein is a magnetic apparatus comprising: a magnetic circuit including magnetic yoke and a magnet, with a magnetic gap formed in the circuit for forming a uniform d.c. bias magnetic field in the magnetic gap; a magnetic device made of magnetic material of certain composition and placed in the magnetic gap so that the device operates in the d.c. bias magnetic field; and a soft magnetic plate provided in the magnetic gas, the soft magnetic plate being made of magnetic material having composition substantially identical to the composition of the magnetic device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.