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) one or more polyethylene imines (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:
A chemical mechanical polishing (CMP) composition (Q) comprising: (A) inorganic particles, (B) a compound of general formula (I) (C) an aqueous medium wherein the composition (Q) has a pH of from 2 to 6.
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:
A process for removing a bulk material layer from a substrate and planarizing the exposed surface by CMP by (1 ) providing an CMP agent exhibiting at the end of the chemical mechanical polishing, without the addition of supplementary materials, the same SER as at its start and a lower MRR than at its start, - an SER which is lower than the initial SER and an MRR which is the same or essentially the same as the initial MRR or a lower SER and a lower MRR than at its start; (2) contacting the surface of the bulk material layer with the CMP agent; (3) the CMP of the bulk material layer with the CMP agent; and (4) continuing the CMP until all material residuals are removed from the exposed surface; and a CMP agent and their use for manufacturing electrical and optical devices.
Abstract:
An aqueous chemical mechanical polishing (CMP) agent (A) comprising solid particles (a1) containing (a11) a corrosion inhibitor for metals, and (a12) a solid material, the said solid particles (a1) being finely dispersed in the aqueous phase; and its use in a process for removing a bulk material layer from the surface of a substrate and planarizing the exposed surface by chemical mechanical polishing until all material residuals are removed from the exposed surface, wherein the CMP agent exhibits at the end of the chemical mechanical polishing, without the addition of supplementary materials, - the same or essentially the same static etch rate (SER) as at its start and a lower material removal rate (MRR) than at its start, - a lower SER than at its start and the same or essentially the same MRR as at its start or - a lower SER and a lower MRR than at its start; such that the CMP agent exhibits a soft landing behavior.
Abstract:
Described are a chemical-mechanical polishing (CMP) composition comprising abrasive particles in the form of organic/inorganic composite particles as well as the use of said composite particles as abrasive particles in a CMP composition and processes for the manufacture of a semiconductor device comprising chemical mechanical polishing of a substrate in the presence said CMP composition.
Abstract:
Described is a use of a chemical-mechanical polishing (CMP) composition for polishing a sub- strate 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:
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) one or more polymers selected from the group consisting of N-vinyl-homopolymers and N- vinyl copolymers (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:
A chemical-mechanical polishing (CMP) composition comprising (A) inorganic particles, organic particles, or a composite or mixture thereof, (B) a polymeric polyamine or a salt thereof comprising at least one type of pendant group (Y) which comprises at least one moiety (Z), wherein (Z) is a carboxylate (-COOR 1 ), sulfonate (-SO 3 R 2 ), sulfate (-O-SO 3 R 3 ), phos- phonate (-P(=O)(OR 4 )(OR 5 ) ), phosphate (-O-P(=O)(OR 6 )(OR 7 ) ), carboxylic acid (-COOH), sulfonic acid (-SO 3 H), sulfuric acid (-O-SO 3 -), phosphonic acid (-P(=O)(OH) 2 ), phosphoric acid (-O-P(=O)(OH) 2 ) moiety, or their deproto- nated forms, R 1 is alkyl, aryl, alkylaryl, or arylalkyl R 2 is alkyl, aryl, alkylaryl, or arylalkyl, R 3 is alkyl, aryl, alkylaryl, or arylalkyl, R 4 is alkyl, aryl, alkylaryl, or arylalkyl, R 5 is H, alkyl, aryl, alkylaryl, or arylalkyl, R 6 is alkyl, aryl, alkylaryl, or arylalkyl, R 7 is H, alkyl, aryl, alkylaryl, or arylalkyl, and (C) an aqueous medium.