Electromagnetic wave absorber formed of Mn-Zn ferrite

Details Electromagnetic wave absorber formed of Mn-Zn ferrite Electromagnetic wave absorber formed of Mn-Zn ferrite

2006-09-05

2006-09-05

Koslow, C. Melissa (Department: 1755)

Compositions

Magnetic

Iron-oxygen compound containing

C342S001000, C428S611000, C428S649000, C252S062630, C252S06251C, C252S062590

Reexamination Certificate

active

07101488

ABSTRACT:
An electromagnetic wave absorber is formed of an Mn—Zn ferrite including: a spinel primary phase which contains 40.0 to 49.9 mol % Fe2O3, 4.0 to 26.5 mol % ZnO, 0.1 to 4.0 mol % TiO2and/or SnO2, and the remainder consisting of MnO; and a secondary phase which contains CaO as a base component. In the ferrite, the mass of the spinel primary phase accounts for 50.0 to 99.0% of the aggregate mass of the spinel primary phase and the secondary phase.

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