C09G1/00

Additives for Barrier Chemical Mechanical Planarization

A barrier chemical mechanical planarization polishing composition is provided that includes suitable chemical additives. The suitable chemical additives are silicate compound and high molecular weight polymers/copolymers. There is also provided a chemical mechanical polishing method using the barrier chemical mechanical planarization polishing composition.

Oxide chemical mechanical planarization (CMP) polishing compositions

The present invention provides Chemical Mechanical Planarization Polishing (CMP) compositions for Shallow Trench Isolation (STI) applications. The CMP compositions contain ceria coated inorganic metal oxide particles as abrasives, such as ceria-coated silica particles; chemical additive selected from the first group of non-ionic organic molecules multi hydroxyl functional groups in the same molecule; chemical additives selected from the second group of aromatic organic molecules with sulfonic acid group or sulfonate salt functional groups and combinations thereof; water soluble solvent; and optionally biocide and pH adjuster; wherein the composition has a pH of 2 to 12, preferably 3 to 10, and more preferably 4 to 9.

Barrier ruthenium chemical mechanical polishing slurry

A slurry for polishing surfaces or substrates that at least partially comprise ruthenium and copper, wherein the slurry includes an alkali hydroxide, oxygenated halogen compound, and a halogen alkyl benzotriazole. The slurry may further include abrasive, acid(s), and, optionally, an alkoxylated alcohol. With these components, the slurry exhibits a high ruthenium to copper removal rate ratio.

Barrier ruthenium chemical mechanical polishing slurry

A slurry for polishing surfaces or substrates that at least partially comprise ruthenium and copper, wherein the slurry includes an alkali hydroxide, oxygenated halogen compound, and a halogen alkyl benzotriazole. The slurry may further include abrasive, acid(s), and, optionally, an alkoxylated alcohol. With these components, the slurry exhibits a high ruthenium to copper removal rate ratio.

POLISHING COMPOSITION FOR SEMICONDUCTOR PROCESS AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE BY USING THE SAME
20220363948 · 2022-11-17 ·

The present disclosure relates to a polishing composition for a semiconductor process that may increase a polishing rate of a boron-doped polysilicon layer, improve polishing selectivity, prevent a defect of a wafer that may occur in a polishing process, and improving surface roughness of the wafer, and a method for polishing a substrate by using the same. In addition, the present disclosure relates to a method for manufacturing a polished substrate by using a polishing composition for a semiconductor process.

Polishing compositions and methods of use thereof

The disclosure provides chemical mechanical polishing compositions and methods for polishing polysilicon films with high removal rates. The compositions include 1) an abrasive; 2) at least one compound of structure (I): ##STR00001##
3) at least one compound of structure (II): ##STR00002##
and 4) water; in which the composition does not include tetramethylammonium hydroxide or a salt thereof. The variables n, R.sub.1-R.sub.7, X, Y, and Z.sub.1-Z.sub.3 in structures (I) and (II) are defined in the Specification. The synergistic effect of the compounds of structures (I) and (II) in these chemical mechanical polishing compositions leads to high polysilicon films material removal rate during polishing.

Polishing compositions and methods of use thereof

The disclosure provides chemical mechanical polishing compositions and methods for polishing polysilicon films with high removal rates. The compositions include 1) an abrasive; 2) at least one compound of structure (I): ##STR00001##
3) at least one compound of structure (II): ##STR00002##
and 4) water; in which the composition does not include tetramethylammonium hydroxide or a salt thereof. The variables n, R.sub.1-R.sub.7, X, Y, and Z.sub.1-Z.sub.3 in structures (I) and (II) are defined in the Specification. The synergistic effect of the compounds of structures (I) and (II) in these chemical mechanical polishing compositions leads to high polysilicon films material removal rate during polishing.

Polishing liquid, polishing liquid set, and polishing method
11572490 · 2023-02-07 · ·

A polishing liquid containing abrasive grains, a hydroxy acid, a polyol, and a liquid medium, in which a zeta potential of the abrasive grains is positive, and the hydroxy acid has one carboxyl group and one to three hydroxyl groups.

Derivatized polyamino acids

A composition comprises, consists of, or consists essentially of a polymer including a derivatized amino acid monomer unit. A chemical mechanical polishing composition includes a water based liquid carrier, abrasive particles dispersed in the liquid carrier, and a cationic polymer having a derivatized amino acid monomer unit. A method of chemical mechanical polishing includes utilizing the chemical mechanical polishing composition to remove at least a portion of a metal or dielectric layer from a substrate and thereby polish the substrate.

Derivatized polyamino acids

A composition comprises, consists of, or consists essentially of a polymer including a derivatized amino acid monomer unit. A chemical mechanical polishing composition includes a water based liquid carrier, abrasive particles dispersed in the liquid carrier, and a cationic polymer having a derivatized amino acid monomer unit. A method of chemical mechanical polishing includes utilizing the chemical mechanical polishing composition to remove at least a portion of a metal or dielectric layer from a substrate and thereby polish the substrate.