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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. 4 figs.

Inventors:
; ; ; ; ;
Publication Date:
Research Org.:
Lockheed Martin Energy Research Corporation
Sponsoring Org.:
USDOE, Washington, DC (United States)
OSTI Identifier:
321199
Patent Number(s):
US 5,854,586/A/
Application Number:
PAN: 8-932,948
Assignee:
Lockheed Martin Energy Research Corp., Oak Ridge, TN (United States) PTO; SCA: 360201; 426000; PA: EDB-99:030403; SN: 99002058466
DOE Contract Number:  
AC05-96OR22464
Resource Type:
Patent
Resource Relation:
Other Information: PBD: 29 Dec 1998
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 42 ENGINEERING NOT INCLUDED IN OTHER CATEGORIES; SINTERING; CHEMICAL COMPOSITION; ZINC OXIDES; RARE EARTH COMPOUNDS; COBALT OXIDES; POTASSIUM OXIDES; CHROMIUM OXIDES; CALCIUM OXIDES; ALUMINIUM OXIDES; MANGANESE OXIDES; MAGNESIUM OXIDES; TITANIUM OXIDES; TIN OXIDES; BORON OXIDES; RESISTORS

Citation Formats

McMillan, A.D., Modine, F.A., Lauf, R.J., Alim, M.A., Mahan, G.D., and Bartkowiak, M. Rare earth doped zinc oxide varistors. United States: N. p., 1998. Web.
McMillan, A.D., Modine, F.A., Lauf, R.J., Alim, M.A., Mahan, G.D., & Bartkowiak, M. Rare earth doped zinc oxide varistors. United States.
McMillan, A.D., Modine, F.A., Lauf, R.J., Alim, M.A., Mahan, G.D., and Bartkowiak, M. Tue . "Rare earth doped zinc oxide varistors". United States.
@article{osti_321199,
title = {Rare earth doped zinc oxide varistors},
author = {McMillan, A.D. and Modine, F.A. and Lauf, R.J. and Alim, M.A. and Mahan, G.D. and Bartkowiak, M.},
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. 4 figs.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1998},
month = {12}
}