DE3883463D1 - Material mit invertierter Zellstruktur für Schleif-, Läpp-, Form- und Poliervorgänge. - Google Patents

Material mit invertierter Zellstruktur für Schleif-, Läpp-, Form- und Poliervorgänge.

Info

Publication number
DE3883463D1
DE3883463D1 DE88111999T DE3883463T DE3883463D1 DE 3883463 D1 DE3883463 D1 DE 3883463D1 DE 88111999 T DE88111999 T DE 88111999T DE 3883463 T DE3883463 T DE 3883463T DE 3883463 D1 DE3883463 D1 DE 3883463D1
Authority
DE
Germany
Prior art keywords
poromeric
cells
diameter
openings
cell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE88111999T
Other languages
English (en)
Other versions
DE3883463T2 (de
Inventor
Mark F Hoffstein
Takehisa Shinagawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rodel Inc
Original Assignee
Rodel Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rodel Inc filed Critical Rodel Inc
Publication of DE3883463D1 publication Critical patent/DE3883463D1/de
Application granted granted Critical
Publication of DE3883463T2 publication Critical patent/DE3883463T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B37/00—Lapping machines or devices; Accessories
    • B24B37/11—Lapping tools
    • B24B37/20—Lapping pads for working plane surfaces
    • B24B37/24—Lapping pads for working plane surfaces characterised by the composition or properties of the pad materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
    • B24D3/20—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially organic
    • B24D3/28—Resins or natural or synthetic macromolecular compounds
    • B24D3/32—Resins or natural or synthetic macromolecular compounds for porous or cellular structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/32—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements
    • B29C44/321—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements the preformed part being a lining, e.g. a film or a support lining
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/736—Grinding or polishing equipment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2427/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
DE88111999T 1987-08-25 1988-07-26 Material mit invertierter Zellstruktur für Schleif-, Läpp-, Form- und Poliervorgänge. Expired - Fee Related DE3883463T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8969587A 1987-08-25 1987-08-25

Publications (2)

Publication Number Publication Date
DE3883463D1 true DE3883463D1 (de) 1993-09-30
DE3883463T2 DE3883463T2 (de) 1993-12-09

Family

ID=22219103

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88111999T Expired - Fee Related DE3883463T2 (de) 1987-08-25 1988-07-26 Material mit invertierter Zellstruktur für Schleif-, Läpp-, Form- und Poliervorgänge.

Country Status (3)

Country Link
EP (1) EP0304645B1 (de)
AT (1) ATE93437T1 (de)
DE (1) DE3883463T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63283857A (ja) * 1987-05-15 1988-11-21 Asahi Chem Ind Co Ltd 研磨布
EP1080797A3 (de) * 1994-06-28 2005-10-05 Ebara Corporation Verfahren und Vorrichtung für die Reinigung von Werkstücken
US6331137B1 (en) * 1998-08-28 2001-12-18 Advanced Micro Devices, Inc Polishing pad having open area which varies with distance from initial pad surface
US8075372B2 (en) * 2004-09-01 2011-12-13 Cabot Microelectronics Corporation Polishing pad with microporous regions
US9873180B2 (en) * 2014-10-17 2018-01-23 Applied Materials, Inc. CMP pad construction with composite material properties using additive manufacturing processes
US9925637B2 (en) * 2016-08-04 2018-03-27 Rohm And Haas Electronic Materials Cmp Holdings, Inc. Tapered poromeric polishing pad

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE636018A (de) * 1962-08-13 1900-01-01
US3504457A (en) * 1966-07-05 1970-04-07 Geoscience Instr Corp Polishing apparatus
US3701703A (en) * 1969-12-04 1972-10-31 Norton Co Method of making an abrasive foam laminate
CH571932A5 (de) * 1975-02-05 1976-01-30 Schnueriger Karl
US4571358A (en) * 1984-05-10 1986-02-18 Massachusetts Institute Of Technology Materials for use in tribological applications
US4753838A (en) * 1986-06-16 1988-06-28 Tsuguji Kimura Polishing sheet material and method for its production

Also Published As

Publication number Publication date
EP0304645A3 (en) 1990-01-24
ATE93437T1 (de) 1993-09-15
DE3883463T2 (de) 1993-12-09
EP0304645B1 (de) 1993-08-25
EP0304645A2 (de) 1989-03-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee