Method for fabricating a magneto-optic modulator
US6500498B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 16, 2000 |
| Grant date | Dec 31, 2002 |
| Priority date | — |
| Expiry date | Apr 12, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F41/14
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method for fabricating a magneto-optic modulator, such as for use with a solid state ring resonator gyroscope. The method includes inducing a magnetic field at a substrate holder as a layer of magnetic material is being deposited on a substrate. The magnetic field helps to optimally orient the deposited magnetic material layer to improve the characteristics of the magneto-optic modulator. In addition to inducing a magnetic field, a low energy ion beam may be applied to optimize orientation. The method can be used to fabricate a magneto-optic modulator on a substrate containing a partially fabricated ring resonator without destroying previously fabricated components.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.