公开(公告)号：US10570316B2

公开(公告)日：2020-02-25

申请号：US15325464

申请日：2015-07-14

Applicant: BASF SE

Inventor： Robert Reichardt ,  Max Siebert ,  Yongqing Lan ,  Michael Lauter ,  Haci Osman Guevenc ,  Julian Proelss ,  Sheik Ansar Usman Ibrahim ,  Reza Golzarian

IPC: C09G1/04

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.

公开(公告)号：US10385236B2

公开(公告)日：2019-08-20

申请号：US15538851

申请日：2015-12-22

Applicant: BASF SE

Inventor： Robert Reichardt ,  Max Siebert ,  Yongqing Lan ,  Michael Lauter ,  Sheik Ansar Usman Ibrahim ,  Reza Golzarian ,  Haci Osman Guevenc ,  Julian Proelss ,  Leonardus Leunissen

IPC: H01L21/461 ,  C09G1/02 ,  H01L21/306 ,  H01L21/321 ,  H01L21/302 ,  H01L21/304 ,  H01L21/463 ,  B24B37/20 ,  C09K3/14 ,  C23F3/06 ,  H01L21/768

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.

公开(公告)号：US10090159B2

公开(公告)日：2018-10-02

申请号：US14768825

申请日：2014-05-05

Applicant: BASF SE

Inventor： Yongqing Lan ,  Peter Przybylski ,  Zhenyu Bao ,  Julian Proelss

IPC: C09K13/06 ,  H01L21/306 ,  C09G1/02 ,  C09K3/14 ,  H01L21/321

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.

公开(公告)号：US09765239B2

公开(公告)日：2017-09-19

申请号：US14890754

申请日：2014-05-06

Applicant: BASF SE

Inventor： Yongqing Lan ,  Peter Przybylski ,  Zhenyu Bao ,  Julian Proelss

IPC: C09G1/02 ,  B24B37/04 ,  C09K3/14 ,  H01L21/306 ,  H01L21/02

CPC classification number: C09G1/02 ,  B24B37/044 ,  C09K3/1436 ,  C09K3/1463 ,  H01L21/02024 ,  H01L21/30625

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.