COMPOSITION AND METHOD FOR POLYSILICON CMP
A chemical mechanical polishing composition for polishing a substrate having a polysilicon layer includes a water based liquid carrier, a silica abrasive, an amino acid or guanidine derivative containing polysilicon polishing accelerator, and an alkali metal salt. The composition includes less than...
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| creator | BROSNAN, Sarah REISS, Brian |
| description | A chemical mechanical polishing composition for polishing a substrate having a polysilicon layer includes a water based liquid carrier, a silica abrasive, an amino acid or guanidine derivative containing polysilicon polishing accelerator, and an alkali metal salt. The composition includes less than about 500 ppm tetraalkylammonium salt and has a pH in a range from about 10 to about 11. |
| format | Patent |
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| language | eng ; fre ; ger |
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| subjects | ADHESIVES BASIC ELECTRIC ELEMENTS CHEMISTRY DYES ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES POLISHING COMPOSITIONS OTHER THAN FRENCH POLISH SEMICONDUCTOR DEVICES SKI WAXES |
| title | COMPOSITION AND METHOD FOR POLYSILICON CMP |
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