JP7058841B2 - バックグラインドテープ - Google Patents
バックグラインドテープ Download PDFInfo
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- JP7058841B2 JP7058841B2 JP2020528081A JP2020528081A JP7058841B2 JP 7058841 B2 JP7058841 B2 JP 7058841B2 JP 2020528081 A JP2020528081 A JP 2020528081A JP 2020528081 A JP2020528081 A JP 2020528081A JP 7058841 B2 JP7058841 B2 JP 7058841B2
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/14—Methyl esters, e.g. methyl (meth)acrylate
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1808—C8-(meth)acrylate, e.g. isooctyl (meth)acrylate or 2-ethylhexyl (meth)acrylate
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- 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
- C09J133/00—Adhesives based on 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09J133/08—Homopolymers or copolymers of acrylic acid esters
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- 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
- C09J133/00—Adhesives based on 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09J133/10—Homopolymers or copolymers of methacrylic acid esters
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- 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
- C09J133/00—Adhesives based on 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
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- 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
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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
- H01L21/02002—Preparing wafers
- H01L21/02005—Preparing bulk and homogeneous wafers
- H01L21/02008—Multistep processes
- H01L21/0201—Specific process step
- H01L21/02013—Grinding, lapping
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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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/6835—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
- H01L21/6836—Wafer tapes, e.g. grinding or dicing support tapes
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- 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
- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/326—Applications of adhesives in processes or use of adhesives in the form of films or foils for bonding electronic components such as wafers, chips or semiconductors
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- 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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/312—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier parameters being the characterizing feature
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- 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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
- C09J2301/416—Additional features of adhesives in the form of films or foils characterized by the presence of essential components use of irradiation
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- 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
- C09J2400/22—Presence of unspecified polymer
- C09J2400/226—Presence of unspecified polymer in the substrate
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- 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
- C09J2433/00—Presence of (meth)acrylic polymer
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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
- H01L21/02002—Preparing wafers
- H01L21/02005—Preparing bulk and homogeneous wafers
- H01L21/02008—Multistep processes
- H01L21/0201—Specific process step
- H01L21/02016—Backside treatment
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2221/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof covered by H01L21/00
- H01L2221/67—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere
- H01L2221/683—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L2221/68304—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
- H01L2221/68327—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support used during dicing or grinding
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2221/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof covered by H01L21/00
- H01L2221/67—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere
- H01L2221/683—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L2221/68304—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
- H01L2221/6834—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support used to protect an active side of a device or wafer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2221/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof covered by H01L21/00
- H01L2221/67—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere
- H01L2221/683—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L2221/68304—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
- H01L2221/68381—Details of chemical or physical process used for separating the auxiliary support from a device or wafer
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Adhesive Tapes (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Laminated Bodies (AREA)
- Adhesives Or Adhesive Processes (AREA)
Description
本出願は、2018年1月22日付韓国特許出願第10-2018-0007963号および2019年1月8日付韓国特許出願第10-2019-0002459号に基づいた優先権の利益を主張し、当該韓国特許出願の文献に開示されたすべての内容は本明細書の一部として含まれている。
製造例1
窒素ガスが還流されて温度調節が容易であるように冷却装置を設置した反応器に下記2-エチルヘキシルアクリレート(2-EHA)27g、メチルアクリレート(MA、ガラス転移温度86℃)48gとヒドロキシエチルアクリレート(HEA)25gで構成される単量体の混合物を投入した。
2-エチルヘキシルアクリレート(2-EHA)27gヒドロキシエチルアクリレート(HEA)25gで構成される単量体の混合物を投入したことを除いては、製造例1と同様の方法で(メタ)アクリレート系高分子樹脂(重量平均分子量:約90万g/mol)を製造した。
実施例1
前記製造例1の(メタ)アクリレート系高分子樹脂100gにTDI系イソシアネート硬化剤7g、および光開始剤(Irgacure 184)3gを混合して粘着剤組成物を製造した。前記粘着剤組成物を離型処理された厚さ38μmのPETに塗布し、110℃で3分間乾燥して厚さ20μmの粘着剤層(ガラス転移温度Tg-17℃)を形成した。
前記製造例2の(メタ)アクリレート系高分子樹脂100gにTDI系イソシアネート硬化剤7g、および光開始剤(Irgacure 184)3gを混合して粘着剤組成物を製造した。前記粘着剤組成物を離型処理された厚さ38μmのPETに塗布し、110℃で3分間乾燥して厚さ20μmの粘着剤層(ガラス転移温度Tg-55℃)を形成した。
実験例1:Creepの測定方法
前記実施例および比較例の粘着剤層に対して90℃で20,000Paの力を加える時のクリープ(creep)変形を測定した。
前記実施例および比較例の粘着剤が使用されたバックグラインドテープそれぞれを利用して、50μm厚さでハーフカットが実施された半導体回路面にバックグラインドテープを付着した後780μmのウェハーを50μm厚さまで裏面研削を実施した。UV A 500mJ/cm2を照射してバックグラインドテープを除去した後にグラインド前後のダイのアラインメントを比較した。
Claims (9)
- 高分子基材;および粘着層;を含み、
前記粘着層は、ガラス転移温度が0℃以上の単量体またはオリゴマーに由来した繰り返し単位30~60重量%、炭素数2~12のアルキル基を有する(メタ)アクリレート系繰り返し単位、および架橋性官能基を含有した(メタ)アクリレート系繰り返し単位を含む(メタ)アクリレート樹脂を含み、
前記粘着層のガラス転移温度が-20℃~10℃である、バックグラインドテープ。 - 前記ガラス転移温度が0℃以上の単量体またはオリゴマーは、メチルアクリレート、イソボルニル(メタ)アクリレート(isobornyl (meth)acrylate)、およびシクロヘキシル(メタ)アクリレート(hydroxycyclohexyl (meth)acrylate)からなる群より選ばれた1種以上の化合物を含む、請求項1に記載のバックグラインドテープ。
- 前記(メタ)アクリレート樹脂は、ガラス転移温度が0℃以上の単量体またはオリゴマーに由来した繰り返し単位30~60重量%;および
炭素数2~12のアルキル基を有する(メタ)アクリレート系繰り返し単位または架橋性官能基を含有した(メタ)アクリレート系繰り返し単位40~70重量%を含む、請求項1に記載のバックグラインドテープ。 - 前記粘着層に対して90℃で20,000Paの力を加える時のクリープ(creep)変形が10~30%である、請求項1~3のいずれか一項に記載のバックグラインドテープ。
- 前記粘着層は、多官能(メタ)アクリレート化合物をさらに含む、請求項1~4のいずれか一項に記載のバックグラインドテープ。
- 前記多官能(メタ)アクリレート化合物は、100~100,000の重量平均分子量を有し、多官能性ウレタン(メタ)アクリレートおよび多官能性(メタ)アクリレート単量体またはオリゴマーからなる群より選ばれた1種以上を含む、請求項5に記載のバックグラインドテープ。
- 前記粘着層は、光開始剤、
イソシアネート系化合物、アジリジン系化合物、エポキシ系化合物および金属キレート系化合物からなる群より選ばれた1種以上の架橋剤、
または
ロジン樹脂、テルペン(terpene)樹脂、フェノール樹脂、スチレン樹脂、脂肪族石油樹脂、芳香族石油樹脂および脂肪族芳香族共重合石油樹脂からなる群より選ばれた1種以上の粘着付与剤をさらに含む、請求項1~6のいずれか一項に記載のバックグラインドテープ。 - 前記高分子基材は、低密度ポリエチレン、線状ポリエチレン、中密度ポリエチレン、高密度ポリエチレン、超低密度ポリエチレン、ポリプロピレンのランダム共重合体、ポリプロピレンのブロック共重合体、ホモポリプロピレン、ポリメチルペンテン(polymethylpentene)、エチレン-酢酸ビニル共重合体、エチレン-メタクリル酸共重合体、エチレン-メチルメタクリレート共重合体、エチレン-アイオノマー共重合体、エチレン-ビニルアルコール共重合体およびポリブテン、スチレンの共重合体からなる群より選ばれた1種以上の高分子樹脂を含む、請求項1~7のいずれか一項に記載のバックグラインドテープ。
- 請求項1~8のいずれか一項に記載のバックグラインドテープを利用したウェハーの研削方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20180007963 | 2018-01-22 | ||
KR10-2018-0007963 | 2018-01-22 | ||
KR1020190002459A KR102165321B1 (ko) | 2018-01-22 | 2019-01-08 | 백 그라인딩 테이프 |
KR10-2019-0002459 | 2019-01-08 | ||
PCT/KR2019/000486 WO2019143076A1 (ko) | 2018-01-22 | 2019-01-11 | 백 그라인딩 테이프 |
Publications (2)
Publication Number | Publication Date |
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JP2021504946A JP2021504946A (ja) | 2021-02-15 |
JP7058841B2 true JP7058841B2 (ja) | 2022-04-25 |
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Application Number | Title | Priority Date | Filing Date |
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JP2020528081A Active JP7058841B2 (ja) | 2018-01-22 | 2019-01-11 | バックグラインドテープ |
Country Status (6)
Country | Link |
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US (1) | US20200369925A1 (ja) |
EP (1) | EP3699249A4 (ja) |
JP (1) | JP7058841B2 (ja) |
KR (1) | KR102165321B1 (ja) |
CN (1) | CN111406099B9 (ja) |
TW (1) | TWI721364B (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US11432685B2 (en) | 2019-07-24 | 2022-09-06 | Lg Electronics Inc. | Leg care apparatus |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006202926A (ja) | 2005-01-19 | 2006-08-03 | Sekisui Chem Co Ltd | ダイシングテープ |
JP2006216721A (ja) | 2005-02-02 | 2006-08-17 | Sekisui Chem Co Ltd | 半導体ウエハ研削用粘着シート及び半導体ウエハの研削方法 |
JP2010003875A (ja) | 2008-06-20 | 2010-01-07 | Nitto Denko Corp | 半導体ウエハの裏面研削方法、及びこの半導体ウエハの裏面研削方法に用いる粘着シート |
JP2011521049A (ja) | 2008-05-14 | 2011-07-21 | エルジー・ケム・リミテッド | 粘着剤組成物と、粘着シート及びこれを利用した半導体ウェーハ裏面研削方法 |
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JP2011521049A (ja) | 2008-05-14 | 2011-07-21 | エルジー・ケム・リミテッド | 粘着剤組成物と、粘着シート及びこれを利用した半導体ウェーハ裏面研削方法 |
JP2010003875A (ja) | 2008-06-20 | 2010-01-07 | Nitto Denko Corp | 半導体ウエハの裏面研削方法、及びこの半導体ウエハの裏面研削方法に用いる粘着シート |
WO2013141251A1 (ja) | 2012-03-23 | 2013-09-26 | リンテック株式会社 | フィルム、ワーク加工用シート基材およびワーク加工用シート |
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CN111406099B9 (zh) | 2022-10-28 |
TWI721364B (zh) | 2021-03-11 |
TW201932560A (zh) | 2019-08-16 |
EP3699249A4 (en) | 2021-01-06 |
CN111406099B (zh) | 2022-09-23 |
KR20190089725A (ko) | 2019-07-31 |
JP2021504946A (ja) | 2021-02-15 |
KR102165321B1 (ko) | 2020-10-14 |
CN111406099A (zh) | 2020-07-10 |
US20200369925A1 (en) | 2020-11-26 |
EP3699249A1 (en) | 2020-08-26 |
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