| 摘要 |
<p>An Ni-Cu-Zn ferrite material which comprises as major ingredients given amounts of iron oxide, copper oxide, zinc oxide, and nickel oxide and contains as minor ingredients given amounts of bismuth oxide, silicon oxide, magnesium oxide, and cobalt oxide. It has excellent temperature properties (the change in magnetic permeability with temperature is small), has a high quality factor Q, and has high strength.</p> |
