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Title: Rare earth doped zinc oxide varistors

Abstract

A varistor includes a Bi-free, essentially homogeneous sintered body of a ceramic composition including, expressed as nominal weight %, 0.2-4.0% oxide of at least one rare earth element, 0.5-4.0% Co.sub.3 O.sub.4, 0.05-0.4% K.sub.2 O, 0.05-0.2% Cr.sub.2 O.sub.3, 0-0.2% CaO, 0.00005-0.01% Al.sub.2 O.sub.3, 0-2% MnO, 0-0.05% MgO, 0-0.5% TiO.sub.3, 0-0.2% SnO.sub.2, 0-0.02% B.sub.2 O.sub.3, balance ZnO.

Inventors:
 [1];  [2];  [2];  [3];  [2];  [2]
  1. (Knoxville, TN)
  2. (Oak Ridge, TN)
  3. (Medina, OH)
Publication Date:
Research Org.:
LOCKHEED MARTIN ENERGY RES COR
OSTI Identifier:
872067
Patent Number(s):
US 5854586
Assignee:
Lockheed Martin Energy Research Corporation (Oak Ridge, TN) ORNL
DOE Contract Number:  
AC05-96OR22464
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
rare; earth; doped; zinc; oxide; varistors; varistor; bi-free; essentially; homogeneous; sintered; ceramic; composition; including; expressed; nominal; weight; 2-4; element; 5-4; 05-0; 0-0; cao; 00005-0; 01; 0-2; mno; 05; mgo; sno; 02; balance; zno; doped zinc; zinc oxide; ceramic composition; rare earth; composition including; earth element; oxide varistors; oxide varistor; /338/252/264/

Citation Formats

McMillan, April D., Modine, Frank A., Lauf, Robert J., Alim, Mohammad A., Mahan, Gerald D., and Bartkowiak, Miroslaw. Rare earth doped zinc oxide varistors. United States: N. p., 1998. Web.
McMillan, April D., Modine, Frank A., Lauf, Robert J., Alim, Mohammad A., Mahan, Gerald D., & Bartkowiak, Miroslaw. Rare earth doped zinc oxide varistors. United States.
McMillan, April D., Modine, Frank A., Lauf, Robert J., Alim, Mohammad A., Mahan, Gerald D., and Bartkowiak, Miroslaw. Thu . "Rare earth doped zinc oxide varistors". United States. https://www.osti.gov/servlets/purl/872067.
@article{osti_872067,
title = {Rare earth doped zinc oxide varistors},
author = {McMillan, April D. and Modine, Frank A. and Lauf, Robert J. and Alim, Mohammad A. and Mahan, Gerald D. and Bartkowiak, Miroslaw},
abstractNote = {A varistor includes a Bi-free, essentially homogeneous sintered body of a ceramic composition including, expressed as nominal weight %, 0.2-4.0% oxide of at least one rare earth element, 0.5-4.0% Co.sub.3 O.sub.4, 0.05-0.4% K.sub.2 O, 0.05-0.2% Cr.sub.2 O.sub.3, 0-0.2% CaO, 0.00005-0.01% Al.sub.2 O.sub.3, 0-2% MnO, 0-0.05% MgO, 0-0.5% TiO.sub.3, 0-0.2% SnO.sub.2, 0-0.02% B.sub.2 O.sub.3, balance ZnO.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1998},
month = {1}
}

Patent:

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