TW201247821A - Hot-melt adhesive sheet for laminated polishing pad and adhesive-layer-bearing support layer for laminated polishing pad - Google Patents
Hot-melt adhesive sheet for laminated polishing pad and adhesive-layer-bearing support layer for laminated polishing pad Download PDFInfo
- Publication number
- TW201247821A TW201247821A TW101114129A TW101114129A TW201247821A TW 201247821 A TW201247821 A TW 201247821A TW 101114129 A TW101114129 A TW 101114129A TW 101114129 A TW101114129 A TW 101114129A TW 201247821 A TW201247821 A TW 201247821A
- Authority
- TW
- Taiwan
- Prior art keywords
- layer
- adhesive
- polishing
- resin
- laminated
- Prior art date
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- 238000005498 polishing Methods 0.000 title claims abstract description 85
- 239000004831 Hot glue Substances 0.000 title claims abstract description 35
- 239000010410 layer Substances 0.000 title claims description 133
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- 229920000647 polyepoxide Polymers 0.000 claims abstract description 26
- 229920000728 polyester Polymers 0.000 claims abstract description 24
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- 238000000034 method Methods 0.000 claims description 30
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- 239000000853 adhesive Substances 0.000 claims description 17
- 230000001070 adhesive effect Effects 0.000 claims description 17
- 230000005484 gravity Effects 0.000 claims description 17
- 239000003795 chemical substances by application Substances 0.000 claims description 15
- 238000002844 melting Methods 0.000 claims description 15
- 230000008018 melting Effects 0.000 claims description 15
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/304—Mechanical treatment, e.g. grinding, polishing, cutting
-
- 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
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- 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
- B24B37/22—Lapping pads for working plane surfaces characterised by a multi-layered structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J167/00—Adhesives based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Adhesives based on derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J167/00—Adhesives based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Adhesives based on derivatives of such polymers
- C09J167/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/20—Presence of organic materials
- C09J2400/24—Presence of a foam
- C09J2400/243—Presence of a foam in the substrate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2463/00—Presence of epoxy resin
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2467/00—Presence of polyester
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2475/00—Presence of polyurethane
- C09J2475/006—Presence of polyurethane in the substrate
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2813—Heat or solvent activated or sealable
- Y10T428/2817—Heat sealable
- Y10T428/2826—Synthetic resin or polymer
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Laminated Bodies (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Adhesive Tapes (AREA)
- Polyurethanes Or Polyureas (AREA)
Description
201247821 六、發明說明: 【發明所屬之技彳軒領域】 發明領域 本發明係有關於一種用以製作可對透鏡'反射鏡等光 學材料或矽晶圓、硬碟用玻璃基板、鋁基板、及—般金屬 研磨加工等要求高度表面平坦性之材料進行穩定且高研磨 效率之平坦化加工之積層研終的齡接著劑片、及附有 積層研磨墊用接著劑層之支持層。 【先前夺椅;j 發明背景 製造半導體裝置時,於晶圓表面形成導電性薄膜,並 進行以微影成像術、蝕刻等形成佈線層之步驟、或於佈線 層上形成層間絕緣薄膜之步驟等,且_等步驟於晶圓表 面產生金屬等導電體或絕緣體所形成之凹凸。近年,為達 到半導體積體電路之高密度化颂發展佈線之微細化或多 層佈線化,但使晶圓表面之凹凸平坦化之技術亦隨之益形 重要。 過去高精度研磨所使用之研磨塾,—般係使用聚胺醋 樹脂發泡體片。然而聚胺酯樹脂發泡體片雖局部平坦化能 力佳,但緩衝性不足故難以在晶圓全面平均施加壓力。因 此,通常於聚胺醋樹脂發泡體片之背面另設有柔軟之緩衝 層’作為積層研磨墊以用於研磨力σ工。 但疋’習知之積層研磨墊-般係以雙面膠帶黏合研磨 層與緩衝層,但有研磨中㈣侵人研磨層與緩衝層之間而 201247821 使雙面膠帶之耐久性降低,且研磨層與緩衝層變成容易產 生剝離之問題β 例如,乃提出以下之技術,作為解決上述問題之方法。 在專利文獻1中,揭示使用反應性熱熔接著劑接著塑膠 薄膜及研磨塾。 在專利文獻2中,揭示底層及研磨層藉由熱炫接著劑層 接著之研磨塾。 在專利文獻3中,揭示一種研磨層及基底層藉由雙面膠 帶接著之研磨墊,且在研磨層之裡面與雙面膠帶之間設有 由熱炫:接著劑形成且遮斷研磨漿液之止水層的技術。 在專利文獻4中,揭示一種研磨層與下層藉由含有EVA 之熱炼接者劑接合之研磨塾。 但是,專利文獻1〜4中記載之熱熔接著劑有耐熱性低, 且因長時間研磨而變成高溫時,接著性降低而使研磨層及 緩衝層等變成容易剝離之問題。 先前技術文獻 專利文獻 專利文獻1 ··特開2002-224944號公報 專利文獻2 :特開2005-167200號公報 專利文獻3 :特開2009-95945號公報 專利文獻4 :特表2010-525956號公報 t發明内容3 發明概要 發明欲解決之課題 201247821 本發明之目的在於捭也 高™與支持層之間磨而變成 炫接著劑片(以下,亦稱為埶_= 之,磨塾用熱 墊用接著劑層之支持~ _),及附有積層研磨 & 持層(以下,亦稱為附有接著劑層之支持 用以解決課題之手段 本發月人等為解決前述課題再三鑽研後,發 下所示之舰接著㈣_有接著劑層之 错由 述目的’並完成本翻。 a 、胃可達成上 ^本發明係有關於—種積層研磨塾用熱溶接著劑 ’係用u積層研磨層與支持層者,其特徵缺:前述献 炼接者劑係㈣系触接著劑,且㈣於基絲合物之聚 醋樹脂_重量份,含有2〜難量份之在i分子中具有細 上環氧丙基的環氧樹脂。 ▲當環氧樹脂之添加量未達2重量份時,因長時間研磨而 變成高溫之情況下,熱溶接著劑片對研磨時產生之「位移」 的ί久(4不足因此研磨層與支持層之間變成容易剝離。 另方面大於10重里份時,接著劑層之硬度變成過高而 使接著性降低,因此研磨層與支持層之間變成容易剝離。 基底聚合物之聚酿樹脂宜為結晶性聚酿樹脂。藉由使 用結晶性聚賴脂,可提高载液之耐化學藥品性,且使 接著劑層之接著力不易降低。 又,聚酯系熱熔接著劑係熔點為100〜2001 ,比重為 1.1〜1.3 ’且在l5〇C及負载2」6公斤之條件下,炫融流動指 201247821 數宜為16~26克/i〇分鐘。 确述熱熔接著劑片宜為雙面膠帶,其係_ =理之基材兩面上具有由前述熱炼接著:::二 層者。前述易接著處理宜為電暈處理或之接者劑 兩面實施易接著處理,即使因長時間研= 時亦可到優異之接著性。 爱成N溫 又,本發明係有關於—種附有積層研 之支持層,係在支持層之單面上具有塗布以=者_ 劑,且使苴硬化彳Η 1'、,,,、熔接著 便八更化传狀接者劑層,且該聚 係相對於基底聚合物之聚s旨樹脂晴量份,含有 份之在1分子中具有2個μ環氧技的環細脂者。藉= 在支持層直接塗布熱炼接著劑且使其硬化,得到支持層與 接著劑層*㈣離謂有接著綱之支持層。 ’、 基底聚合物之聚醋樹脂宜為結晶性聚醋樹脂。藉由使 用結晶性聚醋樹脂’可提高對漿液之耐化學藥品性,且使 接著劑層之接著力不易降低。 又,聚酯系熱炫接著劑之溶點為 100〜200°c,比重為 1.1〜1.3,且在溫度15(TC及負載216公斤之條件下,熔融流 動指數宜為16〜26克/10分鐘。 前述支持層宜為在設有前述接著劑層之面上具有皮層 之聚胺醋發泡片。藉使用具有皮層之聚胺酯發泡片作為支 持層,可在支持層上形成厚度均一且表面平滑性優異之接 著劑層。 刖述聚胺醋發泡片宜藉由熱硬化性聚胺酯來形成。當 201247821 在支持層上塗布熱炫接著劑時,由於在高溫下使熱溶接著 f w耐熱性之觀點來看’宜使用熱硬化性聚胺 酯作為支持層之原料。 發明效果 曰 明之熱熔接著劑片或附有接著劑層之支 “可得到即使在因長時間研磨而變成高溫的情況下, 熱炼接著劑片對研磨時產生之「位移」之料性亦提高, 研磨層與支持層之間亦不易剝離的積層研磨塾。 c實万包方式】 用以實施發明之形態 七月之研磨層係具有微細氣泡之發泡.體,除此條件 :無其他特殊限制。舉例言之,#:聚胺g旨樹脂、聚醋樹 月:t醯胺樹脂、丙烯酸樹脂、聚碳酸酯樹脂、鹵素系樹 κ聚氯乙聚四氟乙烯、聚偏二氟乙稀等)'聚苯乙稀、 烯經系樹脂(聚乙晞、聚丙烯等)、環氧樹脂、感光性樹脂等 1種或2種以卜令.日人,, 合物。聚胺酯樹脂因耐磨性佳,且藉由 、;成之各種變化可易於製出具有所需物性之聚合物, 寺别適於作為研磨層之形成材料的材料。以下就聚胺 作為前述發泡體之代表予以說明。 旦前述聚胺酯樹脂係由異氰酸酯成分、多元醇成分(高分 夕元醇、低分子量多元醇)、及鏈伸長劑組成者。 異氣酸S旨成分可不特別限於使用聚胺酯領域中公知之 δ物異氛酸_成分可舉例如:2,4-二異氰酸甲苯酯、2,6- 〃氛酸甲笨酉旨、2,2,_二苯甲炫二異氰酸醋、2,4,-二苯甲 201247821 烷二異氰酸酯、4,4’-二苯甲烷二異氰酸酯、1,5-萘二異氰酸 酯、對苯二異氰酸酯、間苯二異氰酸酯、對伸茬二異氰酸 酯、間伸茬二異氰酸酯等芳香族二異氰酸酯;乙烯二異氰 酸酯、2,2,4-三曱基六亞甲基二異氰酸酯、1,6-六亞甲基二 異氰酸酯等脂肪族二異氰酸酯;1,4-環己烷二異氰酸酯、 4,4’-二環己基曱烷二異氰酸酯、二異氰酸異佛爾酮、降冰 片烷二異氰酸酯等脂環族二異氰酸酯。可由以上諸等中選1 種使用,或取2種以上混合亦可。 高分子量多元醇在聚胺酯之領域中可舉一般用者為 例。可舉例如:以聚四亞曱基醚二醇、聚乙二醇等為代表 之聚醚多元醇,以聚丁烯己二酸酯為代表之聚酯多元醇, 聚己内酯多元醇,以聚己内酯之類聚酯二醇與碳酸伸烷酯 之反應物等為例之聚酯聚碳酸酯多元醇,使碳酸伸乙酯與 多元醇反應後所產生之反應混合物與有機二羧酸反應形成 之聚酯聚碳酸酯多元醇,及聚羥基化合物與碳酸烯丙酯經 轉酯作用而得之聚碳酸酯多元醇等。上述諸等可單獨使 用,亦可合併2種以上使用。 多元醇成分除上述高分子量多元醇外,可並用乙二 醇、1,2-丙二醇、1,3-丙二醇、1,2-丁二醇、1,3-丁二醇、1,4-丁二醇、2,3-丁二醇、1,6-己二醇、新戊二醇、1,4-環己烷 二曱醇、3-曱基-1,5-戊二醇、二乙二醇、三乙二醇、1,4-雙 (2-羥乙氧)苯、三羥曱基丙烷、甘油、1,2,6-己烷三醇、新戊 四醇、四羥曱基環己烷、甲基葡萄糖苷、山梨糖醇、甘露 糖醇、半乳糖醇、蔗糖、2,2,6,6-四(羥曱基)環己醇、二乙 201247821 醇胺、N-曱基乙醇胺、及三乙醇胺等低分子量多元醇。又, 亦可與伸乙二胺、曱苯二胺、二苯甲烷二胺、及二伸乙三胺 等低分子量多胺並用。又,亦可與一乙醇胺、2-(2-胺乙胺) 乙醇、及一丙醇胺等醇胺並用。該等低分子量多元醇、分 子量多胺等可單獨使用1種,亦可合併2種以上使用。低分子 量多元醇或低分子量多胺等之混合量沒有特別限制,且係依 由製成之研磨墊(研磨層)所要求之特性來適當決定。 以預聚合物法製造聚胺酯發泡體時,將鏈伸長劑用於 預聚合物之硬化上。鏈伸長劑係具有至少2個以上活性氫基 之有機化合物,活性氫基可舉羥基、1級或2級胺基、硫醇 基(SH)等為例。具體言之,可舉例如:以4,4’-亞甲雙(鄰氣 苯胺)(MOCA)、2,6-二氣對苯二胺、4,4’-亞甲雙(2,3-二氣苯 胺)、3,5-雙(甲硫基)-2,4-甲苯二胺、3,5-雙(曱硫基)-2,6-甲 苯二胺、3,5-二乙基曱苯-2,4-二胺、3,5-二乙基甲苯-2,6-二 胺、1,3-丙二醇-二對胺苯甲酸酯、聚四亞甲基二醇-二對胺 苯甲酸酯、4,4’-二胺-3,3’,5,5’-四乙基二苯曱烷、4,4’-二胺 -3,3,-二異丙基-5,5,-二甲二苯甲烷、4,4,-二胺-3,3’,5,5’-四 異丙基二苯曱烷、1,2-雙(2-胺基苯硫基)乙烷、4,4’-二胺 -3,3’-二乙-5,5’-二曱二苯曱烷、N-Ν’-二(二級丁基)-4,4’-二 胺二苯曱烷、3,3’-二乙-4,4’-二胺二笨曱烷、間伸茬二胺、 N,N’-二(二級丁基)對苯二胺、間苯二胺、及對伸茬二胺等 為例之多胺類,抑或上述低分子量多元醇或低分子量多 胺。上述諸等可僅用1種,亦可取2種以上混合使用。 本發明中異氰酸酯成分、多元醇成分及鏈伸長劑之 201247821 比,得依各自之分子量或研磨墊所需之物性等做各種變 化。為製得具有所需之研磨特性之研磨墊,相對於多元醇 成分與鏈伸長劑之總活性氫基(羥基+胺基)數,異氰酸酯成 分之異氰酸酯基數宜為0.80〜1.20,若為0.99〜1.15更佳。 若異氰酸酯基數在前述範圍外,將導致硬化不良而無法獲 得所需之比重及硬度,研磨特性益發降低。 聚胺酯發泡體可運用熔融法、溶液法等公知之聚胺酯 化技術製造,但考慮到成本、作業環境等因素,則宜以熔 融法進行製造。 聚胺酯發泡體可由預聚合物法、直接聚合法中採任一 方法製造,但事先由異氰酸酯成分與多元醇成分合成端基 為異氰酸酯之預聚合物,再使鏈伸長劑與該預聚合物反應 之預聚合物法因製得之聚胺酯樹脂之物理性特性佳,故優 於前述兩方法。 聚胺酯發泡體之製造方法,可舉添加中空珠粒之方 法、機械性發泡法、化學性發泡法等為例。 其中又以使用了矽型界面活性劑之機械性發泡法尤 佳,該矽型界面活性劑乃聚烷基矽氧與聚醚之共聚物,且 不具活性氫基。 另,視必要亦可加入抗氧化劑等穩定劑、潤滑劑、顏 料、填充劑、抗靜電劑及其他添加劑。 研磨層構成材料之聚胺酯發泡體可為獨立氣泡式,亦 可為連續氣泡式。 聚胺酯發泡體之製造可採秤量各成份後投入容器並攪
S 10 201247821 拌之批式製造方式’亦可採用於攪拌裝置連續供給各成分 與非反應性氣體後授拌’並送出氣泡分散液製作成形品之 連續生產方式。 又,亦可將聚胺醋發泡體之原料之預聚合物放入反應 容器,再投入鏈伸長劑並攪拌後’注入預定大小之鑄模中 製作塊體,並將該塊體藉由利用刨子狀或帶鋸狀之切片機 進行切片之方法,或於前述鑄造之階段形成薄片狀。此外, 亦可將作為原料之樹脂溶解,益由τ字模擠製成形直接製得 片狀聚胺酯發泡體。 前述聚胺酯發泡體之平均氣泡直徑宜為30〜80μιη,若 為30〜60μπι更佳。若脫離此範圍,則有研磨速度下降,或 研磨後之被研磨材(晶圓)之平面性(平坦性)降低之趨向。 前述聚胺醋發泡體之比重宜為0.5〜1.3。比重未達〇 5 者,研磨層之表面強度趨於下降,且被研磨材之平面性降 低。又,若大於1.3,則研磨層表面之氣泡數減少,平面性 雖良好’但研磨速度趨於下降。 前述聚胺醋發泡體之硬度,宜經ASKERD型硬度計測 為〜75度。ASKER D型硬度計測得之硬度未達者, 被研磨材之平面性降低,又,若大於乃度,平面性雖良好, 但被研磨材之如度(均—性)將趨於下降。 研磨層之與被研磨材接觸 持、更換研磨液之凹凸構造。 表面具有許多開口,並具有保持 藉由在研磨表面形成凹凸構造, 哥之研磨表面宜具有用以保 發泡體組成之研磨層於研磨 持、更換研磨液之作用,但 ,可使研磨液之保持與更換 201247821 更有效率je可防止與破研磨材吸_致破壞被 凹凸構造並無特別限制,只要是可保持、更換研磨液^ 狀即可,舉例言之,如灯細長凹槽、同心圓狀凹槽、未: 通孔、多角柱、圓柱'螺絲扯 貝 ’' 凹奴、偏心圓形凹槽、放制 狀凹槽及=等凹槽之組合。又,該等凹凸構造-般具有規 則性,但為使研磨液之保持、更換性佳,亦 j規 改變凹槽節距、凹槽寬度、凹槽深度等。 ’、軏圍 ㈣…狀亚無特殊限制,可為圓形, 形。研磨層之大小可依使用之研磨裝置適當調整,= 直徑約為30〜15〇Cm,狹長形者則長度約為5〜15m,‘ 約60〜250cm。 寬 研磨層之厚度並無特殊限制,但通常約為〇8〜畑, 且宜為1.2〜2.5mm。 111 研磨層中設有用以於施行研磨之狀態下進行光 檢測之透明構件。透明構件嵌人設於研磨層中之開=點 且藉由接著於研磨層下之接著構件而固定。 邰, 積層研磨墊係以熱熔接著劑黏合研磨層及支持層來製 月’J述支持層係用以補足研磨層之特性者。支持片 彈性模數比研磨層低之層(緩衝層),亦可使用彈性模二Z 磨層高之層(高彈性層> 緩衝層係CMp中,為使折衷關係中 平面性與均句度兩者並立之所必須。所謂平面料指研磨 圖案形成時產生有微小凹凸之被研磨材後的圖案部之平坦 性,均勻度係指被研磨材全體之均一性。藉由研磨層之特
S 12 201247821 性,改善平面性,並藉由緩衝層之特性改善均勻度。若cMp 中,為抑制裂縫產生而使用柔軟研磨層,則為提高研磨墊 之平坦化特性使用高彈性層。又,藉由使用高彈性層,可 抑制過度切削被研磨材之邊緣部。 劎述支持層之厚度並無特別限制,但宜為〇 , 若為06〜較佳,且為0.7〜1.3mm更佳。 前述緩衝層可舉例如:聚酯不織布、尼龍不織布、及 丙稀酸不織布㈣維不織U潰聚㈣之料不織布之 類之浸樹脂不織布;聚㈣泡棉及聚乙烯泡棉等高分子樹 脂發泡體;丁二烯橡膠及異戊二烯橡膠等橡膝性樹脂;感 光性樹脂等。 前述高彈性層可舉例如:聚對苯二甲酸乙二醋薄膜及 聚萘二甲酸乙二_薄膜等聚醋薄膜;聚乙稀薄膜及聚丙烯 薄膜等聚烯烴薄膜;尼龍薄膜等。 在研磨層上設有透明構件時,宜在支持層上設置用以 使光透過之開口部。 熱炼接著劑片可為由熱炫接著劑形成之接著劑層,亦 可為在基材兩面設有前述接著劑層之雙面膠帶。 月J述接著層之材料之聚黯系熱炫接著劑係,相對於 基底聚合物之聚醋樹脂⑽重量份,含有2〜H)重量份之在! 分子中具有2個以上環氧丙基之環氧樹脂。 前述聚_脂可使用藉由酸成分及多元醇之縮聚合得 到之公知者’但難較使Μ·㈣樹脂。 酸成分可舉芳香族二羧_ 知肪族二羧酸及脂環族二 13 201247821 羧酸等為例。可只使用該等酸成分中之1種,亦可合併2種 以上使用。 芳香族二羧酸之具體例可舉例如:對苯二甲酸,間苯 二甲酸,鄰苯二曱酸酐,α-萘二曱酸,β-萘二甲酸,及其 酯形成體等。 脂肪族二羧酸之具體例可舉例如:琥珀酸,戊二酸, 己二酸,庚二酸,壬二酸,癸二酸,十一碳烯酸,十二烧 二甲酸,及其酯形成體等。 脂環族二羧酸之具體例可舉1,4-環己二曱酸,四氫化鄰 苯二曱酸酐,六氫化鄰苯二甲酸酐等為例。 又,酸成分亦可並用順丁烯二酸,反丁烯二酸,二聚 物酸,偏苯三酸,焦蜜石酸等多元羧酸。 多元醇成分可舉脂肪族二醇,脂環族二醇等二元醇及 多元醇為例。可只使用該等多元醇成分中之1種,亦可合併 2種以上使用。 脂肪族二醇之具體例可舉例如:乙二醇,1,2-丙二醇, 1,3-丙二醇,1,4-丁 二醇,1,5-戊二醇,1,6-己二醇,1,8-辛 二醇,1,9-壬二醇,新戊二醇,3-曱基戊二醇,2,2,3-三曱 基戊二醇,二乙二醇,三乙二醇,二丙二醇等。 脂環族二醇之具體例可舉1,4-環己烷二甲醇,氫化雙酚 Α等為例。 多元醇可舉甘油,三經曱基乙烧,三經曱基丙烧,新 戊四醇等為例。 結晶性聚自旨樹脂可藉由公知之方法合成。例如,包括
S 14 201247821 準備原料及觸媒’且以生成物溶點以上之溫度加熱之炫融 聚合法、以生成物熔點以下之溫度加熱之固相聚合法、使 用洛劑之溶液聚合法等,亦可制任―種方法。 。結晶性聚酯樹脂之熔點宜為100〜20(rc。熔點未達100 時…、炫接著劑之接著力會因研磨時發熱而下降,且超 。c時,由於使熱炫接著劑熔融時之溫度升高,所以有 在積層研料產线曲而對研磨特性造成不良影響之傾 向。 、’’〇日日性聚酯樹脂之數目平均分子量宜為 0^0 5_〇。數目平均分子量未達测時麟接著劑之 、/特性降低,故無法得到充分之接著性及耐久性,且起 ^ 50000時’有合成結晶性料樹脂時產生造成凝膠化等襲 、‘』或作為熱接著劑之性能降低的傾向。 前述環氧樹脂可舉例如:雙齡型環氧樹脂,演化㈣ 苯乙ΓΓϊ,雙邮型環氧樹脂,㈣ad型環氧樹脂’二 氧樹月/%錢脂’聯苯型環氧樹脂,雙祕清漆型产 脂,三環氧丙㈣氰_,本^料環氧樹 環等)之環氧樹脂等 有雜方香糊如’三氮雜苯 型環氧樹脂,月旨肪族環氧^^1樹脂;脂肪族環氧内基喊 丙基鱗型環氧樹腊,脂環族二曰_墙’脂環族環氧 芳香族環氧樹脂。可使;^ ㈣環氧樹脂等之非 併2種以上使用使用轉環氧樹脂之單獨^種,亦可人 15 201247821 乂等%氧樹脂中,由研磨時與研磨層之接著性觀點來 看’宜使用甲紛祕清漆型環氧樹脂。 、月j述%氧樹脂’相對於基底聚合物之聚醋樹脂⑽重量 伤’必須添加2〜1〇重量份,且宜為3〜7重量部。 …聚㈣㈣接著劑亦可含有烯烴系樹脂等軟化劑,黏 著賦予W卜填充劑’安定劑,及輕合劑等公知之添加劑。 又,亦可含有滑石等無機填料。 ^ -曰系熱炫接著劑係藉由任意之方法混合至少前述聚 醋樹脂、及前述環氧樹脂等來調製。例如,藉由單轴擠壓 機喃σ型同向平行軸雙軸擠壓機、喃合型異向平行轴雙 轴擠壓機' 嗜合型異向斜軸雙軸擠壓機、非响合型雙轴擠 壓機、不完全喃合型雙軸擠壓機、共揉和形擠壓機、行星 "輪里擠壓機、轉移混合擠壓機、輥子擠壓機等之擠壓成 形機或揉合機等混合各原料來調製。 聚醋系熱炫接著劑之炫點宜為削〜2〇代。 又’聚自日系熱溶接著劑之比重宜為1.1〜1.3。 又’聚8曰系熱溶接著劑之溶融流動指數(ΜΙ)在溫度15〇 C、負載2.16公斤之條件下,宜為16〜26克/1〇分鐘。 黏合研磨層與支持層之方法並無特別限制,且可舉在 支持層(或研磨層)上積層由雜著細彡成之接著 劑層’且藉由加熱器加熱炼融接著劑層,然後,將研磨層(或 支持層)積層在㈣之接著劑上且進行衝壓的方法為例日。衝 壓之壓力並無特別限制,但宜為01〜10Mpa。 由熱熔接著劑形成之接著劑層之厚度宜為
S 16 201247821 10〜200μιη,若為 3〇〜ι0〇 時,因長時間研磨而變^。接㈣1狀厚度未達10叫 生之「位移」的耐久性^溫時,熱溶接著劑對研磨時產 成容易剝離。另-方面,/因此研磨層與支持層之間變 此在設有光學檢測用之^〇〇帅時,透明性降低,因 方面產生問題。4明構件之積層研磨塾之檢測精度 亦可使用在基材兩面罝 代由熱熔接著劑形成:有别述接著劑層之雙面膠帶取 透至支持相,且Hr藉由基财防止衆液浸 基材可舉例如聚tT甲:著劑層間之剝離。 酸乙二醋薄膜等聚酿薄膜Γ酸乙二醋薄膜及聚蔡4 稀煙薄膜·,尼簡膜等二及聚丙_膜等聚 之聚酯薄膜。 、 且使用防透水性質佳 理。基材之表面亦可實施電晕處理'電聚處理等易接著處 性、==度並無特別限制,但由透明性、柔軟性、剛 7之尺寸安定料觀點來看宜為1G〜 接著一-為 持層磨層與附有接著劑層之支 聚著劑層之支持層係在支持層之單面上塗布前述 劑層者、。t接著劑且使其硬化而在支持層上直接形成接著 曰 持層宜使用在設有接著劑層之面上具有皮層之 17 201247821 聚胺酯發泡片 胺酯來形成。 又’前述聚_發泡片宜藉由熱硬化性聚 1〇’〇_,若為30〜ΙΟΟμιη更佳。 -之厚度且' 限制點合研磨層_有接著_之讀層之方法並無特」 的接著Γ舉藉由加熱器加祕融附有接著劑層之支持」 者顧,然後,將研磨層積層纽 行衝壓的古、土 * η 按者Μ上且3 的方法為例。衝壓之壓力並無特職制 OH.OMPa。 一 實施^ 4磨塾亦可在與平台接著之面上設有雙面膠帶。 X下,舉實施例說明本發明,但本發明並非以該等實 施例為限。 [測定、評價方法] (數目平均分子量) 數目平均分子量係以GPC(凝膠滲透層析法)測定,並按 標準聚笨乙烯換算。 GPC裂置:島津製作所製,lc_1〇a 層析管柱:Polymer Laboratories公司製,並連結(PLgel、 5μιη、50〇A)、(PLgel、5μιη、ΙΟΟΑ)、及(PLgel、5μιη、5〇A) 三支層析管柱來使用 流量:l.Oml/min 濃度:l.OgA 注入量:40μ1
S 18 201247821 層析管柱溫度:40°C 析出液:四氫呋喃 (熔點之測定) 聚醋系熱熔接著劑之熔點係使用TOLEDO DSC822 (METTLER公司製)’以2〇t:/min之升溫速度測定。 (比重之測定) 依據JIS Z8807-1976進行。將由聚酯系熱熔接著劑形成 之接著劑層切出4cmx8_5cm之長條狀(厚度:任意),做成測 疋比重用試樣,並於溫度23它±2。(:、濕度5〇%±5°/。之環境下 靜置16小時。測又時使用比重計(sart〇rius公司製)測定比重。 (熔融流動指數(MI)之測定) 依據ASTM-D-1238,測定在150。〇、2 16公斤之條件下 聚酯系熱熔接著劑之熔融流動指數。 (接著強度之測定) 由製成之積層研磨墊切出3片寬度25mmx長度200mm 之樣本,且以拉伸角度180。、拉伸速度3〇〇111〇1/1^11拉伸各樣 本之研磨層及支持層,並収此時之接著強度(N/25mm)。3 片樣本之平均值顯示於表1中。又,確認此時之樣本的剝離 狀態。又’於漿液(Cabo^司製,W2〇〇〇)中添加過氧化氫 水使濃度為4重量%來調製研磨漿液。將樣本浸潰於調整成 80 C之前述研磨漿液中8小時,然後,以與前述同樣之方法 進灯接著強度之測定,且確認剝離狀態。重覆該操作5次。 製造例1 (研磨層之製作) 19 201247821 將1229重量份之甲苯異氰酸酯(2,4-體/2,6-體=80/20之 混合物),272重量份之4,4'-二環己基甲烷二異氰酸酯,1901 重量份之數目平均分子量1018之聚四亞曱基醚二醇,198重 量份之二乙二醇放入容器中,且在70°C反應4小時而得到端 基為異氰酸酯之預聚合物。 於聚合容器内加入1〇〇重量份之該預聚合物及3重量份 之石夕型界面活性劑(Dow Coming Toray. silicone公司製, SH-192)加以混合,並調整為80°C後予以減壓脫泡。繼之, 利用攪拌葉片,以旋轉數900rpm激烈攪拌大約4分鐘,將氣 泡帶入反應系内。再添加21重量份之預先調整溫度為70°C 之Ethacure300(Albemarle公司製,3,5-雙(甲硫基)-2,6-甲苯 二胺與3,5-雙(甲硫基)-2,4-甲苯二胺之混合物)。將該混合液 攪拌約1分鐘後,注入盤式敞模(鑄模容器)中。於該混合液 喪失流動性時放入烘箱内,進行l〇〇°C且16小時之後硬化, 製得聚胺酯發泡體塊體。 將加熱至80°C之前述聚胺酯發泡體塊體使用切片機 (Amitec公司製,VGW-125)切片,製得聚胺酯發泡體片(平 均氣泡直徑:50μπι ’比重:0.86,硬度:52度)。其次,使 用擦光機(Amitec公司製)’對該片進行表面擦光處理直至厚 度成為2mm,如此來形成厚度精度業經整合之片。於業經 该擦光處理之片進行直徑60cm大小之衝壓,並使用凹槽加 工機(Techno公司製)於表面進行凹槽寬度〇25mm、凹槽節 距1.5mm、凹槽深度0.6mm之同心圓形凹槽加工,製成研磨 層0
S 20 201247821 實施例1 在兩面經電暈處理之厚度50μιη的PET薄膜(TOYOBO 公司製,Ε5200)上,積層1〇〇重量份之由含有結晶性聚酯樹 脂(TOYOBO公司製’ VYLON GM420),及5重量份之在1分 子中具有2個以上環氧丙基之鄰甲酚酚醛清漆型環氧樹脂 (NIPPON KAYAKU公司製,EOCN4400)之聚酯系熱熔接著 劑形成的接著劑層(厚度50Mm),且使用紅外線加熱器加熱 接著劑層表面至15〇°C使接著劑層熔融。然後,使用壓力 0.6MPa之積層機,以lm/min之搬運速度,在熔融之接著劑 層上積層依照製造例1製成之研磨層,並加壓使之附著,而 得到積層體A(研磨層/接著劑層/PET薄膜)。 在離型薄膜上’形成前述接著劑層(厚度50μιη),且使 用紅外線加熱器加熱接著劑層表面至150°C使接著劑層熔 融。然後’使用壓力〇.6MPa之積層機,以im/min之搬運速 度,一面剝離離型薄膜並一面在已溶融之接著劑層上積層 由前述積層體A及發泡聚胺酯形成之支持層(nhK SPRING 公司製,NIPPALAY EXT)並加壓使之附著,而得到積層體 B(研磨層/接著劑層/PET薄膜/接著劑層/支持層)。 然後,使用積層機使壓感式雙面膠帶(3M公司製, 442JA)黏合在積層體B之支持層上而製作積層研磨塾。 又’聚酯系熱熔接著劑之熔點為142T:,比重為1.22, 熔融流動指數為21克/10分鐘。 實施例2 在兩面經電暈處理之厚度5〇μιη的PEN薄膜(Teijin 21 201247821
DuPont Film公司製,TeonexQ83)上,形成由實施例1記載之 聚酯系熱炼接著劑形成之接著劑層(厚度50μιη),然後,以 與實施例1同樣之方法製成積層研磨墊。 實施例3 除了在實施例1中,使用含有100重量份之結晶性聚酯 樹脂(ΤΟΥΟΒΟ公司製,VYLONGM420),及2重量份之在1 分子中具有2個以上環氧丙基之鄰甲酚酚醛清漆型環氧樹 脂(NIPPON KAYAKU公司製,EOCN4400)之聚酯系熱熔接 著劑以外,以與實施例1同樣之方法製成積層研磨墊。又, 聚酯系熱熔接著劑之熔點為140°C,比重為1.24,熔融流動 指數為26克/10分鐘。 實施例4 除了在實施例1中,使用含有100重量份之結晶性聚酯 樹脂(ΤΟΥΟΒΟ公司製,VYLONGM420),及10重量份之在 1分子中具有2個以上環氧丙基之鄰甲酚酚酸清漆型環氧樹 脂(NIPPON KAYAKU公司製,EOCN4400)之聚酯系熱熔接 著劑以外’以與實施例1同樣之方法製成積層研磨墊。又, 聚酯系熱熔接著劑之熔點為145。(:,比重為1.19,熔融流動 指數為16克/10分鐘。 實施例5 在單面上具有皮層之熱硬化性聚胺酯發泡片(NHK SPRING公司製,NIPPALAY EXT,厚度0.8mm)的皮層上, 塗布含有100重量份之結晶性聚酯樹脂(τ0Y0B〇公司製, VYLON GM420) ’及5重量份之在1分子中具有2個以上環氧
S 22 201247821 丙基之鄰曱酚酚醛清漆型環氧樹脂(NIPPON KAYAKU公 司製’ EOCN4400)之聚酯系熱熔接著劑,且使其硬化而形 成接著劑層(厚度75μπι)’製作附有接著劑層之發泡片。 使用紅外線加熱器加熱附有接著劑層之發泡片的接著 劑層表面至150°C使接著劑層 '熔融。然後,使用壓力〇 之積層機,以〇.8m/min之搬運速度,在已熔融之接著劑層 上積層並依照製造例1製成之研磨層加壓使之附著,而得到 積層體(研磨層/接著劑層/發泡片)。 然後,使用積層機使壓感式雙面膠帶(3M公司製, 442JA)黏合在積層體之發泡片上而製作積層研磨塾。 又’聚酯系熱熔接著劑之熔點為142°C,比重為1 22, 熔融流動指數為21克/10分鐘。 比較例1 除了在實施例1中,使用含有100重量份之結晶性聚西旨 樹脂(TOYOBO公司製,VYLONGM420),及1重量份之在J 分子中具有2個以上環氧丙基之鄰曱酚酚醛清漆型環氧^封 脂(NIPPON KAYAKU公司製,EOCN4400)之聚酯系熱炫 著劑以外,以與實施例1同樣之方法製成積層研磨塾。又, 聚酯系熱熔接著劑之熔點為139°C,比重為1_25,熔融流動 指數為29克/10分鐘。 比較例2 除了在實施例1中,使用含有100重量份之結晶性聚_ 樹脂(TOYOBO公司製,VYLON GM420),及18重量份之在 1分子中具有2個以上環氧丙基之鄰甲酚酚醛清漆型環氧樹 23 201247821 脂(NIPPON KAYAKU公司製,EOCN4400)之聚酯系熱熔接 著劑以外,以與實施例1同樣之方法製成積層研磨墊。又, 聚酯系熱熔接著劑之熔點為147°C,比重為1.18,熔融流動 指數為15克/10分鐘。
S 24 201247821 比較例2 00 PET CO 界面剝離 (N 界面剝離 〇\ 界面剝離 比較例1 PET in o 界面剝離 (N m 界面剝離 〇 界面剝離 實施例5 in 1 120 材料破壞 材料破壞 材料破壞 實施例4 ο PET 材料破壞 103 材料破壞 vo ON 材,料破壞 實施例3 (Ν PET 102 材料破壞 CTn 材料破壞 m 〇\ 材料破壞 實施例2 PEN 125 材料破壞 oo r-H 材料破壞 119 材料破壞 實施例1 PET 115 材料破壞 107 材料破壞 104 材料破壞 環氧樹脂混合量(重量份) 3 初期 浸潰第1次 浸潰第5次 接著強度 (N/25mm) 25 201247821 實施例1~5之積層研磨墊即使在長時間浸潰於高溫之 研磨漿液中的情形下亦未產生在接著劑層之界面剝離。另 一方面,在比較例1及2中,當在長時間浸潰於高溫之研磨 聚液中時產生在接著劑層之界面剝離。由這些結果可知, 使用本發明熱熔接著劑片製造積層研磨墊時,即使因長時 間研磨而變成高溫時亦可得到安定之研磨性能。 【圖式簡單說明】 (無) 【主要元件符號說明】 (無)
S 26
Claims (1)
- 201247821 七、申請專利範圍: 1· 一種積層研磨㈣齡接著劑片,係用以積層研磨層與 而使用者,其特徵在於:前述齡接著劑係聚醋 接者劑,且相對於基底聚合物之聚_脂100重 =含Γ10重量份之在1分子中具有2個以上環氧丙 基的壞氧樹脂。 2.如申請專利項之積層研磨塾用酶接著劑片, 其中前述聚醋樹脂係結晶性聚輯樹脂。 如申π專利㈣第丨項之積層研磨㈣熱炫接著劑片, ”中月ίι述聚酿系熱;^接著劑係炫點為_〜細。◦,且比 重為1.卜1.3,並且在溫度15(rc及負載216公斤之條件 下之熔融流動指數為16〜26克/10分鐘。 如申明專利圍第1項之積層研磨塾用熱炫接著劑片, 其中前述熱炫接著劑片係在經實施易接著處理之基材 兩面上具有由前述熱炫接著劑形成之接著劑層的雙面 5.如申:專利範圍第4項之積層研磨塾用熱熔接著劑片, 其中刖述易接著處理係電暈處理或電漿處理。 6· -f附有積層研磨制接著騎之域層,係在支持層 之早面上’具有塗布⑽系熱__且使其硬化而得 到之接著劑層,該㈣旨酿熔接著黯摘於基底聚合 物之聚醋樹脂100重量份,含有2〜10重量份之在i分子中 具有2個以上環氧丙基的環氧樹脂。 7.如申料利範㈣6項之附有積層研磨墊用接著劑層之 27 201247821 支持層,其中前述聚酷樹脂係結晶性聚s旨樹脂。 8. 如申請專利範圍第6項之附有積層研磨墊用接著劑層之 支持層,其中前述聚酯系熱熔接著劑係熔點為1〇〇〜200 °(:,比重為1.1〜1.3,且在溫度150°〇及負載2.16公斤之 條件下,熔融流動指數為16〜26克/10分鐘。 9. 如申請專利範圍第6項之附有積層研磨塾用接著劑層之 支持層,其中前述支持層係在設有前述接著劑層之面上 具有皮層之聚胺酯發泡片。 10. 如申請專利範圍第9項之附有積層研磨墊用接著劑層之 支持層,其中前述聚胺酯發泡片係藉由熱硬化性聚胺酯 形成。 S 28 201247821 四、指定代表圖·· (一) 本案指定代表圖為:第( )圖。(無) (二) 本代表圖之元件符號簡單說明: 五、本案若有化學式時,請揭示最能顯示發明特徵的化學式:
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US9233451B2 (en) * | 2013-05-31 | 2016-01-12 | Rohm And Haas Electronic Materials Cmp Holdings, Inc. | Soft and conditionable chemical mechanical polishing pad stack |
US20160144477A1 (en) * | 2014-11-21 | 2016-05-26 | Diane Scott | Coated compressive subpad for chemical mechanical polishing |
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-
2012
- 2012-03-23 JP JP2012067537A patent/JP5858576B2/ja not_active Expired - Fee Related
- 2012-04-16 CN CN201280017614.XA patent/CN103492124B/zh not_active Expired - Fee Related
- 2012-04-16 WO PCT/JP2012/060263 patent/WO2012144458A1/ja active Application Filing
- 2012-04-16 US US14/111,514 patent/US20140037947A1/en not_active Abandoned
- 2012-04-16 SG SG2013078134A patent/SG194556A1/en unknown
- 2012-04-16 KR KR1020137022191A patent/KR101542450B1/ko active IP Right Grant
- 2012-04-20 TW TW101114129A patent/TWI540192B/zh not_active IP Right Cessation
- 2012-04-20 TW TW104102369A patent/TW201516116A/zh unknown
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CN103492124A (zh) | 2014-01-01 |
KR20130108476A (ko) | 2013-10-02 |
CN103492124B (zh) | 2016-05-18 |
US20140037947A1 (en) | 2014-02-06 |
JP5858576B2 (ja) | 2016-02-10 |
KR101542450B1 (ko) | 2015-08-06 |
TW201516116A (zh) | 2015-05-01 |
WO2012144458A1 (ja) | 2012-10-26 |
SG194556A1 (en) | 2013-12-30 |
TWI540192B (zh) | 2016-07-01 |
JP2012232404A (ja) | 2012-11-29 |
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