Substrate support for substrate backside contamination control

• Main Authors: TZU, GWOUAN, CHANG, YU, CUVALCI, OLKAN, YUAN, XIAOXIONG
• Format: Patent
• Language: Chinese; English
• Published: 21.10.2017
• Subjects: BASIC ELECTRIC ELEMENTS; CHEMICAL SURFACE TREATMENT; CHEMISTRY; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; DIFFUSION TREATMENT OF METALLIC MATERIAL; ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; METALLURGY; SEMICONDUCTOR DEVICES; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION

Embodiments of substrate supports are provided herein. In some embodiments, a substrate support may include a first aluminum plate for supporting a substrate, the first aluminum plate having a plurality of heating elements embedded therein to provide a plurality of heating zones; a second aluminum plate disposed beneath and supporting the first aluminum plate; a third aluminum plate disposed beneath and supporting the second aluminum plate; a non-metallic ring disposed atop the first aluminum plate; and a plurality of spacers having an upper portion disposed above a surface of the first aluminum plate, wherein the non-metallic ring and the plurality of spacers support the substrate above the first aluminum plate.