公开(公告)号：US20170362464A1

公开(公告)日：2017-12-21

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: C09G1/02 ,  B24B37/20 ,  C09K3/14 ,  C23F3/06 ,  H01L21/321 ,  H01L21/768

CPC classification number: C09G1/02 ,  B24B37/20 ,  C09K3/1409 ,  C23F3/06 ,  H01L21/302 ,  H01L21/304 ,  H01L21/30625 ,  H01L21/32115 ,  H01L21/3212 ,  H01L21/461 ,  H01L21/463 ,  H01L21/7684

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：US20200294813A1

公开(公告)日：2020-09-17

申请号：US16094381

申请日：2016-04-27

Applicant: BASF SE

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

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

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.

公开(公告)号：US20220056307A1

公开(公告)日：2022-02-24

申请号：US17312821

申请日：2019-12-11

Applicant: BASF SE

Inventor： Haci Osman GUEVENC ,  Michael LAUTER ,  Te Yu WEI ,  Wei Lan CHIU ,  Reza M. GOLZARIAN ,  Julian PROELSS ,  Leonardus LEUNISSEN

IPC: C09G1/02 ,  H01L21/321

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.

公开(公告)号：US20210102093A1

公开(公告)日：2021-04-08

申请号：US17123685

申请日：2020-12-16

Applicant: BASF SE

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

IPC: C09G1/02 ,  C09G1/04 ,  C09K3/14 ,  H01L21/306 ,  H01L21/321 ,  H01L21/461

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.

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：US20220064485A1

公开(公告)日：2022-03-03

申请号：US17312807

申请日：2019-12-11

Applicant: BASF SE

Inventor： Haci Osman GUEVENC ,  Michael LEUTER ,  WEI Taoyuan ,  Wei Lan CHIU ,  Reza M. GOLZARIAN ,  Julian PROELSS ,  Leonardus LEUNISSEN

IPC: C09G1/02 ,  H01L21/321

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.

公开(公告)号：US20200299547A1

公开(公告)日：2020-09-24

申请号：US16765665

申请日：2018-11-12

Applicant: BASF SE

Inventor： Christian DAESCHLEIN ,  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 ,  H01L21/321

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.

公开(公告)号：US20190002802A1

公开(公告)日：2019-01-03

申请号：US16064686

申请日：2016-12-20

Applicant: BASF SE

Inventor： Christian DAESCHLEIN ,  Max SIEBERT ,  Michael LAUTER ,  Piotr PRZYBYLSKI ,  Julian PROELSS ,  Andreas KLIPP ,  Haci Osman GUEVENC ,  Leonardus LEUNISSEN ,  Roelf-Peter BAUMANN ,  Te Yu WEI

IPC: C11D7/26 ,  C11D7/32 ,  C11D3/00 ,  H01L21/321 ,  H01L21/02

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.