Lead-bismuth-tellurium-silicate inorganic reaction system having improved adhesion properties

US10115836B2 · kind B2 · utility

Assignee

• HERAEUS PRECIOUS METALS NORTH AMERICA CONSHOHOCKEN LLC · US

Inventors

• Lei Wang · Shanghai, CN
• Cuiwen Guo · Horsham, US
• Raymond Michael Cosimano · Philadelphia, US
• Li Yan · West Conshohocken, US
• Brenton Yancey · Littleton, US

Key dates

• Filing date: Jan 8, 2015
• Grant date: Oct 30, 2018
• Expiry date: Mar 28, 2036

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02E10/547
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

An inorganic reaction system comprising a lead-bismuth-tellurium-silicate composition of Formula (I): Pba—Bib—Tec—Sig-Md-Oe, wherein 0<a, b, c, d, or g≤1, 0≤d, e≤1, and the sum of a, b, c, d and g is 1, 0<a≤0.05, 0.2<b≤0.95, 0<c≤0.5, 0<d≤0.2, 0<g≤0.5, a:b is between about 0.1:99.9 to about 5:95, b:c is between about 50:50 to 99:1, a:c is between about 1:99 to about 10:90, b:g is between about 50:50 to about 98:2, M is one or more elements, and e is a number sufficient to balance the Pb, Bi, Te, Si, and M components.