公开(公告)号：US20190144781A1

公开(公告)日：2019-05-16

申请号：US16307191

申请日：2017-05-31

Applicant: BASF SE

Inventor： Christian DAESCHLEIN ,  Max SIEBERT ,  Michael LAUTER ,  Leonardus LEUNISSEN ,  Ivan GARCIA ROMERO ,  Haci Osman GUEVENC ,  Peter PRZYBYLSKI ,  Julian PROELSS ,  Andreas KLIPP

IPC: C11D1/72 ,  C11D1/722 ,  C11D11/00 ,  C11D3/37 ,  H05K3/26

Abstract: Described is a post chemical-mechanical-polishing (post-CMP) cleaning composition comprising or consisting of: (A) one or more water-soluble nonionic copolymers of the general formula (I) and mixtures thereof, formula (I) wherein R1 and R3 are idependently from each other hydrogen, methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-Butyl, or sec-butyl, R2 is methyl and x and y are an integer,1 (B)poly(acrylic acid) (PAA) oracrylic 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.

公开(公告)号：US20180230333A1

公开(公告)日：2018-08-16

申请号：US15751612

申请日：2016-08-09

Applicant: BASF SE

Inventor： Robert REICHARDT ,  Max SIEBERT ,  Yongqing LAN ,  Michael LAUTER ,  Sheik Ansar USMAN IBRAHIM ,  Reza M. GOLZARIAN ,  Te Yu WEI ,  Haci Osman GUEVENC ,  Julian PROELSS ,  Leonardus LEUNISSEN

IPC: C09G1/02 ,  H01L21/461 ,  H01L21/321

CPC classification number: C09G1/02 ,  H01L21/3212 ,  H01L21/461

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 and (iii) Ti N and/or TaN, wherein the CMP composition (Q) comprises (E) Inorganic particles (F) at least one organic compound comprising an amino-group and an acid group (Y), wherein said compound comprises n amino groups and at least n+1 acidic protons, wherein n is a integer≥1. (G) at least one oxidizer in an amount of from 0.2 to 2.5 wt.-% based on the total weight of the respective CMP composition, (H) an aqueous medium wherein the CMP composition (Q) has a pH of more than 6 and less than 9.

公开(公告)号：US20180016468A1

公开(公告)日：2018-01-18

申请号：US15538313

申请日：2015-12-16

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: C09G1/02 ,  B24B37/04 ,  C09K3/14 ,  H01L21/321

Abstract: Use of a chemical mechanical polishing (CMP) composition for polishing of cobalt and/or co-balt alloy comprising substrates 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) a substituted tetrazole derivative of the general formula (I), wherein R1 is H, hydroxy, alkyl, aryl, alkylaryl, amino, carboxyl, alkylcarboxyl, thio or alkylthio. (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.

公开(公告)号：US20170166778A1

公开(公告)日：2017-06-15

申请号：US15115747

申请日：2015-01-21

Applicant: BASF SE

Inventor： Michael LAUTER ,  Roland LANGE ,  Bastian Marten NOLLER ,  Max SIEBERT

IPC: C09G1/02 ,  H01L21/321 ,  H01L21/3105 ,  C09K3/14

CPC classification number: C09G1/02 ,  C09G1/18 ,  C09K3/1409 ,  C09K3/1463 ,  H01L21/31053 ,  H01L21/31055 ,  H01L21/3212 ,  H01L21/76224

Abstract: A chemical mechanical polishing (CMP) composition comprising (A) Colloidal or fumed inorganic particles or a mixture thereof, (B) a poly (amino acid) and or a salt thereof, and (M) an aqueous medium.