Non-lead resistor composition
AssigneeE.I. duPont de Nemours and Company
InventorsPaul Douglas VerNooy, Alfred T. Walker, Kenneth Warren Hang
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Abstract
A non-lead composition for use as a thick-film resistor paste in electronic applications. The composition comprises particles of Li2RuO3 of diameter between 0.5 and 5 microns and a lead-free frit. The particles have had the lithium at or near primarily the surface of the particle at least partially exchanged for atoms of other metals.
Claims26
A composition comprising particles of Li2RuO3 in which only Li atoms have been exchanged for Al, Ga, K, Ca, Mn, H, Na, Cr, Co, Ni, V, Cu, Zn, or Ti atoms, or a combination thereof.
A composition comprising particles of Li2RuO3 in which Li atoms have been exchanged for Al, Ga, K, Ca, Mn, Fe, H, Na, Cr, Co, Ni, V, Cu, Zn, or Ti atoms, or a combination thereof, wherein a Li2RuO3 particle comprises first and second layers, and more Li atoms are exchanged in the first layer than in the second layer.
Dependencies are inferred from the claim text.