Positive temperature coefficient resistor

Details Positive temperature coefficient resistor Positive temperature coefficient resistor

1989-03-03

1990-08-21

Reynolds, Bruce A.

Electrical resistors

Resistance value responsive to a condition

Current and/or voltage

338225D, 338 25, 374183, 374185, H01C 710

Patent

active

049510282

ABSTRACT:
The resistor includes a cooper oxide ceramic with perovskite related structures exhibiting positive temperature coefficient of resistance characteristics in the temperature range of 300.degree.-900.degree. C. Suitable materials are YBa.sub.2 Cu.sub.3 O.sub.7-x, La.sub.2 CuO.sub.4 and related compounds with other rare earth elements substituted for Y and La and other alkaline earth elements substituted for Ba.

REFERENCES:
patent: 4072848 (1978-02-01), Johnson et al.
patent: 4117312 (1978-09-01), Johnson et al.
patent: 4507643 (1985-03-01), Swano et al.
patent: 4853538 (1989-08-01), Jackson
Relva C. Buchanan, "Ceramic Materials for Electronics", Marcel Dekker, Inc., Chapter 5 (1986).
D. W. Johnson et al., "Fabrication of Ceramic Articles from High Tc Superconducting Oxides", Adv. Ceram. Mat. 2, pp. 364-371 (1987).
W. W. Davison et al., "High Tc Superconducting Films from Metallo-Organic Precursors", Mat. Res. Soc. Symp. Proc. on High-Temperature Superconductors, vol.99, 1988, pp. 289-292.
M. Gurvitch and A. T. Fiory, "A Metal Alloy Process for the Formation of Oxide Superconducting Films", in Mat. Res. Soc. Symp. Proc. on High-Temperature Superconductors, vol. 99, 1988, pp. 297-301.
P. H. Ballentine, Thin Films of Y-Ba-Ca-O by R. F. Sputtering, in Mat. Res. Soc. Symp. Proc. on High-Temperature Superconductors, vol. 99, 1988, pp. 335-338.
T. Wada et al., "Substitution Effect of Sr for Ba of High Tc Superconductivity YBa.sub.2 Cu.sub.3 O.sub.7-x Ceramics", Jpn. J. Appl. Physics, Pt. 2, 26 [5] pp. L706-L708 (1987).
S. Ohshima et al., "Superconducting and Structural Properties of the New Ba.sub.1-x Ln.sub.x CuO.sub.3-y Compound System", Jpn. J. Appl. Physics, Pt. 2, 26 [5], pp. L815-L817 (1987).
G. S. Grader et al., "Oxygen Stoichiometry in Ba.sub.2 YCu.sub.3 O.sub.x and Ba.sub.2 GdCu.sub.3 O.sub.x Superconductors as a Function of Temperature", Adv. Cer. Mat. 2 [3B], pp. 649-655 (1987).
J. M. Tarascon et al., "3-d Metal Doping of the High Temperature Superconducting Perovskites La--Sr--Cu--O and Y--Ba--Cu--O" Phys. Rev. B36 [16] 8393 (1987).
S. Nagata et al., "High T.sub.c Thin Films of (La.sub.1-x M.sub.x)yCuO.sub.4-.delta. (M.dbd.Sr, Ba, Ca) Prepared by Sputtering", Jpn. J. Appl. Physic., pt. 2, 26 [4], pp. L410-L412 (1987).
Y. Maeno et al., "Superconductivity in YBa.sub.2 CU.sub.3-y Ni.sub.y O.sub.7-.delta. ", Jpn. J. Appl. Physics, Pt. 2, 26 [5], pp. L774-L776.

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