Abstract:
Use of a chemical mechanical polishing (CMP) composition (Q) for chemical mechanical polishing of a substrate (S) comprising (i) cobalt and/or (ii) a cobalt alloy, wherein the CMP composition (Q) comprises (A) Inorganic particles (B) an anionic surfactant of the general formula (I) R-S wherein R is C5-C20-alkyl, C5-C20-alkenyl, C5-C20-alkylacyl or C5-C20-alkenylacyl and S is a sulfonic acid derivative, an amino acid derivative or a phosphoric acid derivative or salts or mixtures thereof (C) at least one amino acid, (D) at least one oxidizer (E) an aqueous medium and wherein the CMP composition (Q) has a pH of from 7 to 10.
Abstract:
A chemical mechanical polishing (CMP) composition (Q) for chemical mechanical polishing of a substrate (S) containing (i) cobalt and/or (ii) a cobalt alloy, wherein the CMP composition (Q) contains: (A) Inorganic particles, (B) a substituted aromatic compound with at least one carboxylic acid function as corrosion inhibitor, (C) at least one amino acid, (D) at least one oxidizer, (E) an aqueous medium, wherein the CMP composition (Q) has a pH of from 7 to 10.
Abstract:
Described is a use of a chemical-mechanical polishing (CMP) composition for polishing a substrate or layer containing one or more lll-V materials, wherein the chemical-mechanical polishing (CMP) composition comprises the following components: (A) surface modified silica particles having a negative zeta potential of −15 mV or below at a pH in the range of from 2 to 6 (B) one or more constituents selected from the group consisting of (i) substituted and unsubstituted triazoles not having an aromatic ring annealed to the triazol ring, (ii) benzimidazole, (iii) chelating agents selected from the group consisting of amino acids with two or more carboxyl groups, aliphatic carboxylic acids, and the respective salts thereof, and (iv) homopolymers and copolymers of acrylic acid, and the respective salts thereof, (C) water (D) optionally one or more further constituents, wherein the pH of the composition is in the range of from 2 to 6.
Abstract:
The presently claimed invention relates to a chemical-mechanical polishing (CMP) composition and chemical-mechanical polishing (CMP) methods. The presently claimed invention particularly relates to a composition and process for chemical-mechanical polishing of substrates containing copper and ruthenium, specifically, semiconductor substrates containing copper and ruthenium.
Abstract:
A chemical mechanical polishing composition may be used for chemical mechanical polishing of a substrate including (i) cobalt and/or (ii) a cobalt alloy and (iii) TiN and/or TaN, wherein the CMP composition includes (A) inorganic particles (B) at least one organic compound including an amino-group and an acid group, the compound including n amino groups and at least n+1 acidic protons, a being a integer ≥1; (C) at least one oxidizer in an amount of from 0.2 to 2.5 wt.-% based on the total weight of the MP composition; and (D) an aqueous medium. The CMP composition may have a pH of more than 6 and less than 9.
Abstract:
A chemical mechanical polishing (CMP) composition (Q) comprising (A) Colloidal or fumed inorganic particles (A) or a mixture thereof in a total amount of from 0.0001 to 2.5 wt.-% based on the total weight of the respective CMP composition (B) at least one amino acid in a total amount of from 0.2 to 1 wt.-% based on the total weight of the respective CMP composition (C) at least one corrosion inhibitor in a total amount of from 0.001 to 0.02 wt.-% based on the total weight of the respective CMP composition (D) hydrogen peroxide as oxidizing agent in a total amount of from 0.0001 to 2 wt.-% based on the total amount of the respective CMP composition (E) aqueous medium wherein the CMP composition (Q) has a pH in the range of from 6 to 9.5.
Abstract:
Described is a chemical-mechanical polishing (CMP) composition comprising the following components: (A) surface modified silica particles having a negative zeta potential of −15 mV or below at a pH in the range of from 2 to 6 (B) N,N,N′,N′-tetrakis-(2-hydroxypropyl)-ethylenediamine or methanesulfonic acid (C) water (D) optionally one or more further constituents, wherein the pH of the composition is in the range of from 2 to 6.
Abstract:
The presently claimed invention relates to a chemical-mechanical polishing (CMP) composition and chemical-mechanical polishing (CMP) methods. The presently claimed invention particularly relates to a composition and process for chemical-mechanical polishing of substrates containing copper and ruthenium, specifically, semiconductor substrates containing copper and ruthenium.
Abstract:
The presently claimed subject matter is directed to a chemical mechanical polishing (CMP) composition comprising inorganic particles, at least one organic compound comprising an amino group and/or at least one acid group (Y), potassium persulfate, at least one corrosion inhibitor and an aqueous medium for polishing substrates of the semiconductor industry comprising cobalt and/or a cobalt alloy and TiN and/or TaN.
Abstract:
Described is a post chemical-mechanical-polishing (post-CMP) cleaning composition comprising or consisting of: (A) one or more nonionic polymers selected from the group consisting of poly-acrylamides, polyhydroxyethyl(meth)acrylates (PHE(M)A), polyvinylpyrrolidone (PVP), polyvinyl alcohol (PVA), polymers of formula (I), and mixtures thereof, wherein R1 is hydrogen, methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, or sec-butyl, R2 is hydrogen or methyl, and n is an integer, (B) poly(acrylic acid) (PAA) or acrylic acid-maleic acid copolymer with a mass average molar mass (Mw) of up to 10,000 g/mol, and (C) water, wherein the pH of the composition is in the range of from 7.0 to 10.5.