Thick-film pastes containing lead-tellurium-lithium-oxides, and their use in the manufacture of semiconductor devices

• Main Authors: Hang, Kenneth Warren, Carroll, Alan Frederick, Vernooy, Paul Douglas, Mikeska, Kurt Richard, Torardi, Carmine, Laughlin, Brian J
• Format: Patent
• Language: English
• Published: 26.10.2021
• Subjects: ARTIFICIAL STONE; BASIC ELECTRIC ELEMENTS; CABLES; CASTING; CEMENTS; CERAMICS; CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS; CHEMISTRY; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; CONDUCTORS; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; GLASS; INSULATORS; JOINING GLASS TO GLASS OR OTHER MATERIALS; LIME, MAGNESIA; MAKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; METALLURGY; MINERAL OR SLAG WOOL; PERFORMING OPERATIONS; POWDER METALLURGY; REFRACTORIES; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES; SEMICONDUCTOR DEVICES; SLAG; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS; SURFACE TREATMENT OF GLASS; TRANSPORTING; TREATMENT OF NATURAL STONE; WORKING METALLIC POWDER

The present invention provides a thick-film paste for printing the front side of a solar cell device having one or more insulating layers. The thick-film paste comprises an electrically conductive metal, and a lead-tellurium-lithium-oxide dispersed in an organic medium.