Sughrue Mion, PLLC
Sintered body for varistor, multilayer substrate using same, and production method for these
To provide a zinc oxide-based varistor that exhibits adequate characteristics without using antimony. Disclosed is a sintered body for a varistor, including zinc oxide as a main component; 0.6 to 3.0 mol % of bismuth oxide in terms of bismuth (Bi); 0.2 to 1.4 mol % of cobalt oxide in terms of cobalt (Co); 0.1 to 1.5 mol % of chrome oxide in terms of chrome (Cr); and 0.1 to 1.5 mol % of manganese oxide in terms of manganese (Mn), wherein the contents of antimony (Sb), a rare earth element and tin (Sn) are not more than a level of impurities.
HITACHI METALS, LTD.
B C B C C C C C H C C H C C H C C C B H H C C H C
B32B C04B B32B C04B C04B C04B C04B C04B H01C C04B C04B H01C C04B C04B H05K C04B C04B C04B B32B H01C H05K C04B C04B H01C C04B
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Hiroyuki Naoyuki Toshiki
Ito Okamoto Kida