JP6792207B2 - 樹脂組成物 - Google Patents
樹脂組成物 Download PDFInfo
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- JP6792207B2 JP6792207B2 JP2017557824A JP2017557824A JP6792207B2 JP 6792207 B2 JP6792207 B2 JP 6792207B2 JP 2017557824 A JP2017557824 A JP 2017557824A JP 2017557824 A JP2017557824 A JP 2017557824A JP 6792207 B2 JP6792207 B2 JP 6792207B2
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- 239000000758 substrate Substances 0.000 claims description 25
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- 238000000034 method Methods 0.000 claims description 14
- 125000004432 carbon atom Chemical group C* 0.000 claims description 13
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- 238000010438 heat treatment Methods 0.000 claims description 12
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- 125000005842 heteroatom Chemical group 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 9
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- 238000004132 cross linking Methods 0.000 claims description 8
- 125000000217 alkyl group Chemical group 0.000 claims description 6
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- 238000005530 etching Methods 0.000 claims description 5
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- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 4
- 125000001624 naphthyl group Chemical group 0.000 claims description 4
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 4
- 125000003545 alkoxy group Chemical group 0.000 claims description 2
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims description 2
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 2
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- 125000005843 halogen group Chemical group 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
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- 125000004430 oxygen atom Chemical group O* 0.000 claims description 2
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- 125000004208 3-hydroxyphenyl group Chemical group [H]OC1=C([H])C([H])=C([H])C(*)=C1[H] 0.000 description 2
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- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 2
- 239000001191 butyl (2R)-2-hydroxypropanoate Substances 0.000 description 2
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- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
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- 239000011521 glass Substances 0.000 description 2
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- 239000004615 ingredient Substances 0.000 description 2
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- BDJSOPWXYLFTNW-UHFFFAOYSA-N methyl 3-methoxypropanoate Chemical compound COCCC(=O)OC BDJSOPWXYLFTNW-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
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- FFJCNSLCJOQHKM-CLFAGFIQSA-N (z)-1-[(z)-octadec-9-enoxy]octadec-9-ene Chemical compound CCCCCCCC\C=C/CCCCCCCCOCCCCCCCC\C=C/CCCCCCCC FFJCNSLCJOQHKM-CLFAGFIQSA-N 0.000 description 1
- ZORQXIQZAOLNGE-UHFFFAOYSA-N 1,1-difluorocyclohexane Chemical compound FC1(F)CCCCC1 ZORQXIQZAOLNGE-UHFFFAOYSA-N 0.000 description 1
- WGGLDBIZIQMEGH-UHFFFAOYSA-N 1-bromo-4-ethenylbenzene Chemical compound BrC1=CC=C(C=C)C=C1 WGGLDBIZIQMEGH-UHFFFAOYSA-N 0.000 description 1
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- LDMRLRNXHLPZJN-UHFFFAOYSA-N 3-propoxypropan-1-ol Chemical compound CCCOCCCO LDMRLRNXHLPZJN-UHFFFAOYSA-N 0.000 description 1
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- SNTUCKQYWGHZPK-UHFFFAOYSA-N 4-ethenylbenzonitrile Chemical compound C=CC1=CC=C(C#N)C=C1 SNTUCKQYWGHZPK-UHFFFAOYSA-N 0.000 description 1
- XZIIFPSPUDAGJM-UHFFFAOYSA-N 6-chloro-2-n,2-n-diethylpyrimidine-2,4-diamine Chemical compound CCN(CC)C1=NC(N)=CC(Cl)=N1 XZIIFPSPUDAGJM-UHFFFAOYSA-N 0.000 description 1
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- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 1
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- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
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- IYFATESGLOUGBX-YVNJGZBMSA-N Sorbitan monopalmitate Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O IYFATESGLOUGBX-YVNJGZBMSA-N 0.000 description 1
- HVUMOYIDDBPOLL-XWVZOOPGSA-N Sorbitan monostearate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O HVUMOYIDDBPOLL-XWVZOOPGSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
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- 239000003963 antioxidant agent Substances 0.000 description 1
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- 229940075557 diethylene glycol monoethyl ether Drugs 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
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- GFUIDHWFLMPAGY-UHFFFAOYSA-N ethyl 2-hydroxy-2-methylpropanoate Chemical compound CCOC(=O)C(C)(C)O GFUIDHWFLMPAGY-UHFFFAOYSA-N 0.000 description 1
- ZANNOFHADGWOLI-UHFFFAOYSA-N ethyl 2-hydroxyacetate Chemical compound CCOC(=O)CO ZANNOFHADGWOLI-UHFFFAOYSA-N 0.000 description 1
- BHXIWUJLHYHGSJ-UHFFFAOYSA-N ethyl 3-ethoxypropanoate Chemical compound CCOCCC(=O)OCC BHXIWUJLHYHGSJ-UHFFFAOYSA-N 0.000 description 1
- IJUHLFUALMUWOM-UHFFFAOYSA-N ethyl 3-methoxypropanoate Chemical compound CCOC(=O)CCOC IJUHLFUALMUWOM-UHFFFAOYSA-N 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- KETWBQOXTBGBBN-UHFFFAOYSA-N hex-1-enylbenzene Chemical compound CCCCC=CC1=CC=CC=C1 KETWBQOXTBGBBN-UHFFFAOYSA-N 0.000 description 1
- 150000002430 hydrocarbons Chemical group 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 1
- YSGBMDFJWFIEDF-UHFFFAOYSA-N methyl 2-hydroxy-3-methylbutanoate Chemical compound COC(=O)C(O)C(C)C YSGBMDFJWFIEDF-UHFFFAOYSA-N 0.000 description 1
- HSDFKDZBJMDHFF-UHFFFAOYSA-N methyl 3-ethoxypropanoate Chemical compound CCOCCC(=O)OC HSDFKDZBJMDHFF-UHFFFAOYSA-N 0.000 description 1
- CWKLZLBVOJRSOM-UHFFFAOYSA-N methyl pyruvate Chemical compound COC(=O)C(C)=O CWKLZLBVOJRSOM-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- GSGDTSDELPUTKU-UHFFFAOYSA-N nonoxybenzene Chemical compound CCCCCCCCCOC1=CC=CC=C1 GSGDTSDELPUTKU-UHFFFAOYSA-N 0.000 description 1
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- HDBWAWNLGGMZRQ-UHFFFAOYSA-N p-Vinylbiphenyl Chemical group C1=CC(C=C)=CC=C1C1=CC=CC=C1 HDBWAWNLGGMZRQ-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000003504 photosensitizing agent Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920000259 polyoxyethylene lauryl ether Polymers 0.000 description 1
- 239000000256 polyoxyethylene sorbitan monolaurate Substances 0.000 description 1
- 235000010486 polyoxyethylene sorbitan monolaurate Nutrition 0.000 description 1
- 239000000249 polyoxyethylene sorbitan monopalmitate Substances 0.000 description 1
- 235000010483 polyoxyethylene sorbitan monopalmitate Nutrition 0.000 description 1
- 239000001818 polyoxyethylene sorbitan monostearate Substances 0.000 description 1
- 235000010989 polyoxyethylene sorbitan monostearate Nutrition 0.000 description 1
- 239000001816 polyoxyethylene sorbitan tristearate Substances 0.000 description 1
- 235000010988 polyoxyethylene sorbitan tristearate Nutrition 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 229950008882 polysorbate Drugs 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229940100515 sorbitan Drugs 0.000 description 1
- 229940035044 sorbitan monolaurate Drugs 0.000 description 1
- 239000001593 sorbitan monooleate Substances 0.000 description 1
- 235000011069 sorbitan monooleate Nutrition 0.000 description 1
- 229940035049 sorbitan monooleate Drugs 0.000 description 1
- 239000001570 sorbitan monopalmitate Substances 0.000 description 1
- 235000011071 sorbitan monopalmitate Nutrition 0.000 description 1
- 229940031953 sorbitan monopalmitate Drugs 0.000 description 1
- 239000001587 sorbitan monostearate Substances 0.000 description 1
- 235000011076 sorbitan monostearate Nutrition 0.000 description 1
- 229940035048 sorbitan monostearate Drugs 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- 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
- C08F220/26—Esters containing oxygen in addition to the carboxy oxygen
- C08F220/32—Esters containing oxygen in addition to the carboxy oxygen containing epoxy radicals
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- C—CHEMISTRY; METALLURGY
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Description
(A)成分:下記式(1)で表される構造単位及び下記式(2)で表される構造単位を有する自己架橋性共重合体
(B)成分:下記式(3)で表される化合物
本発明の樹脂組成物に含まれる(A)成分は自己架橋性共重合体であり、前記式(1)で表される構造単位及び式(2)で表される構造単位を有する。
本発明の樹脂組成物に含まれる(B)成分は前記式(3)で表される化合物であり、酸化防止剤として添加される。前記式(3)で表される化合物の具体例としては、例えば、下記式(3−1)乃至式(3−10)で表される化合物が挙げられる。なお、これらの化合物は単独で使用しても、2種以上を組み合わせて使用してもよい。
本発明の樹脂組成物を用いた硬化膜、保護膜及び平坦化膜の作製方法について説明する。基材(例えば、半導体基板、ガラス基板、石英基板、シリコンウエハー及びこれらの表面に各種金属膜又はカラーフィルター等が形成された基板)上に、スピナー、コーター等の適当な塗布方法により本発明の樹脂組成物を塗布後、ホットプレート、オーブン等の加熱手段を用いてベークして硬化させて、硬化膜、保護膜、又は平坦化膜を作製する。ベーク条件は、ベーク温度80℃乃至300℃、ベーク時間0.3分乃至60分間の条件から適宜選択される。前記ベークは2ステップ以上に分けて処理してもよい。また、作製される硬化膜、保護膜又は平坦化膜の膜厚としては、例えば0.001μm乃至100μmであり、好ましくは0.01μm乃至10μmである。
本発明の樹脂組成物を用いたマイクロレンズの作製例について説明する。基材(例えば、半導体基板、ガラス基板、石英基板、シリコンウエハー及びこれらの表面に各種金属膜又はカラーフィルター等が形成された基板)上に、スピナー、コーター等の適当な塗布方法により本発明の樹脂組成物を塗布後、ホットプレート、オーブン等の加熱手段を用いてベークして硬化させて、硬化膜を作製する。ベーク条件は、ベーク温度80℃乃至300℃、ベーク時間0.3分乃至60分間の条件から適宜選択される。前記ベークは2ステップ以上に分けて処理してもよい。また、作製される硬化膜の膜厚としては、例えば0.1μm乃至100μmであり、好ましくは0.5μm乃至10μmである。
〔下記合成例で得られた共重合体の重量平均分子量の測定〕
装置:日本分光(株)製GPCシステム
カラム:Shodex〔登録商標〕KF−804L及び803L
カラムオーブン:40℃
流量:1mL/分
溶離液:テトラヒドロフラン
<合成例1>
スチレン300g、4−ヒドロキシフェニルメタクリレート205g、前記式(2−7)で表されるモノマー246g、及び2,2’−アゾビスイソブチロニトリル47.0gをプロピレングリコールモノメチルエーテル976gに溶解させた後、この溶液を、プロピレングリコールモノメチルエーテル222gを70℃に保持したフラスコ中に4時間かけて滴下した。滴下終了後、さらに18時間反応させて、共重合体の溶液(固形分濃度40質量%)を得た。得られた共重合体の重量平均分子量Mwは21,000(ポリスチレン換算)であった。
<実施例1>
合成例1で得られた(A)成分である自己架橋性共重合体の溶液(固形分濃度40質量%)50.0g、(B)成分である前記式(3−10)で表される化合物0.6g及び界面活性剤としてメガファック〔登録商標〕R−30(DIC(株)製)0.01gを、プロピレングリコールモノメチルエーテルアセテート3.6g及びプロピレングリコールモノメチルエーテル14.4gに溶解させて溶液とした。その後、孔径0.10μmのポリエチレン製ミクロフィルターを用いてろ過して、樹脂組成物を調製した。
(B)成分として前記式(3−10)で表される化合物1.0g、プロピレングリコールモノメチルエーテルアセテート4.3g及びプロピレングリコールモノメチルエーテル14.7gを用いた以外は上記実施例1と同じ条件で、樹脂組成物を調製した。
(B)成分として前記式(3−8)で表される化合物0.1g、プロピレングリコールモノメチルエーテルアセテート2.8g及びプロピレングリコールモノメチルエーテル14.1gを用いた以外は上記実施例1と同じ条件で、樹脂組成物を調製した。
(B)成分として前記式(3−6)で表される化合物0.6gを用いた以外は上記実施例1と同じ条件で、樹脂組成物を調製した。
合成例1で得られた(A)成分である自己架橋性共重合体の溶液(固形分濃度40質量%)50.0g、及び界面活性剤としてメガファック〔登録商標〕R−30(DIC(株)製)0.01gを、プロピレングリコールモノメチルエーテルアセテート2.7g及びプロピレングリコールモノメチルエーテル14.0gに溶解させて溶液とした。その後、孔径0.10μmのポリエチレン製ミクロフィルターを用いてろ過して、樹脂組成物を調製した。
(B)成分として前記式(3−10)で表される化合物1.6g、プロピレングリコールモノメチルエーテルアセテート5.3g及びプロピレングリコールモノメチルエーテル15.1gを用いた以外は上記実施例1と同じ条件で、樹脂組成物を調製した。
実施例1乃至実施例4並びに比較例1及び比較例2で調製した樹脂組成物をそれぞれ、シリコンウエハー上にスピンコーターを用いて塗布し、ホットプレート上において100℃で1分間、さらに150℃で10分間ベークを行い、膜厚4μmの硬化膜を形成した。これらの硬化膜に対して、プロピレングリコールモノメチルエーテル、プロピレングリコールモノメチルエーテルアセテート、乳酸エチル、酢酸ブチル、3−メトキシプロピオン酸メチル、アセトン、メチルイソブチルケトン、2−ヘプタノン、2−プロパノール、N−メチルピロリドン及び2.38質量%濃度の水酸化テトラメチルアンモニウム(TMAH)水溶液に、それぞれ23℃の温度条件下、10分間浸漬する試験を行った。浸漬前及び浸漬後の膜厚測定を行い、浸漬前後での膜厚変化を算出した。前記浸漬溶剤のうち1つでも、浸漬前の膜厚に対して10%以上の膜厚増減があった場合は“×”、全ての溶剤について膜厚増減が10%未満であった場合は“○”として耐薬品性を評価した。評価結果を表1に示す。
実施例1乃至実施例4並びに比較例1及び比較例2で調製した樹脂組成物をそれぞれ、石英基板上及びシリコンウエハー上にスピンコーターを用いて塗布し、ホットプレート上において100℃で1分間、さらに150℃で10分間ベークを行い、膜厚4μmの硬化膜を形成した。石英基板上に形成されたこれらの硬化膜に対して、紫外線可視分光光度計UV−2550((株)島津製作所製)を用いて、波長400nm〜800nmの範囲で波長を2nmずつ変化させて透過率を測定した。測定された透過率の最低値を最低透過率として表1に示す。また、シリコンウエハー上に形成されたこれらの硬化膜に対して、光学顕微鏡を用い、倍率100倍にて当該硬化膜の表面を観察し、異物がないことを確認した。さらに、石英基板上及びシリコンウエハー上に形成されたこれらの硬化膜をオーブン内において150℃で1,000時間加熱した。その後、石英基板上に形成されたこれらの硬化膜に対して再び波長400nm〜800nmの範囲で波長を2nmずつ変化させて透過率を測定し、測定された透過率の最低値を最低透過率として表1に示す。また、シリコンウエハー上に形成されたこれらの硬化膜に対して光学顕微鏡を用い、倍率100倍にて当該硬化膜の表面を観察した。1,000時間加熱前の最低透過率に対して5%以上の透過率低下があった場合は“×”、透過率低下が5%未満であった場合は“○”とし、1,000時間加熱後、硬化膜の表面に異物が発生した場合は“×”、異物が発生しなかった場合は“○”として耐熱性を評価した。評価結果を表1に示す。
実施例1乃至実施例4並びに比較例1及び比較例2で調製した樹脂組成物をそれぞれ、石英基板及びシリコンウエハー上にスピンコーターを用いて塗布し、ホットプレート上において100℃で1分間、さらに150℃で10分間ベークを行い、膜厚4μmの硬化膜を形成した。石英基板上に形成されたこれらの硬化膜に対して、紫外線可視分光光度計UV−2550((株)島津製作所製)を用いて、波長400nm〜800nmの範囲で波長を2nmずつ変化させて透過率を測定した。測定された透過率の最低値を最低透過率として表1に示す。また、シリコンウエハー上に形成されたこれらの硬化膜に対して、光学顕微鏡を用い、倍率100倍にて当該硬化膜の表面を観察し、異物がないことを確認した。さらに、石英基板上及びシリコンウエハー上に形成されたこれらの硬化膜を恒温恒湿器内において85℃85%RHで1,000時間静置した。その後、石英基板上に形成されたこれらの硬化膜に対して再び波長400nm〜800nmの範囲で波長を2nmずつ変化させて最低透過率を測定し、測定された透過率の最低値を最低透過率として表1に示す。また、シリコンウエハー上に形成されたこれらの硬化膜に対して光学顕微鏡を用い、倍率100倍にて当該硬化膜の表面を観察した。1,000時間静置前の最低透過率に対して5%以上の透過率低下があった場合は“×”、透過率低下が5%未満であった場合は“○”とし、1,000時間静置後、硬化膜の表面に異物が発生した場合は“×”、異物が発生しなかった場合は“○”として耐熱耐湿性を評価した。評価結果を表1に示す。
Claims (12)
- 下記(A)成分、下記(B)成分、界面活性剤及び溶剤からなる樹脂組成物であり、前記(B)成分の含有量は前記樹脂組成物のうち前記溶剤を除いた全成分の含有量に基づいて0.5質量%乃至5.0質量%である、樹脂組成物。
(A)成分:下記式(1)で表される構造単位及び下記式(2)で表される構造単位を有する自己架橋性共重合体
(B)成分:下記式(3)で表される化合物
(式中、R0はそれぞれ独立に水素原子又はメチル基を表し、Xは−O−基又は−NH−基を表し、R1は単結合又は炭素原子数1乃至6の直鎖状若しくは分岐鎖状のアルキレン基を表し、R2は炭素原子数1乃至6の直鎖状又は分岐鎖状のアルキル基を表し、aは1乃至5の整数を表し、bは0乃至4の整数を表し、且つaとbは1≦a+b≦5を満たし、bが2、3又は4を表す場合R2は互いに異なっていてもよく、R3は下記式(I)、式(II)又は式(III)で表される2価の有機基を表し、R3が下記式(I)で表さ
れる2価の有機基を表す場合、該式(I)中のカルボニル基は上記式(2)で表される構造単位の主鎖と結合し、R4はエポキシ基を有する有機基を表し、R5は炭素原子数1乃至6の直鎖状又は分岐鎖状アルキル基を表し、fは1乃至5の整数を表し、gは0乃至4の整数を表し、且つfとgは1≦f+g≦5を満たし、gが2、3又は4を表す場合R5は互いに異なっていてもよく、R6は単結合又は炭素原子数1乃至6の直鎖状若しくは分岐鎖状のアルキレン基を表し、Yは単結合又はエステル結合を表し、Aはヘテロ原子を少なくとも1つ含んでもよい1価、2価、3価若しくは4価の有機基を表すか又はヘテロ原子を表し、hは1乃至4の整数を表す。)
(式中、cは0乃至3の整数を表し、dは1乃至3の整数を表し、eはそれぞれ独立に2乃至6の整数を表す。) - 前記式(2)で表される構造単位は下記式(2−1)又は式(2−2)で表される構造単位である、請求項1に記載の樹脂組成物。
(式中、R0及びR3は請求項1に記載の定義と同義である。) - 前記(A)成分の自己架橋性共重合体は、さらに下記式(4)で表される構造単位を有する共重合体である請求項1又は請求項2に記載の樹脂組成物。
(式中、R0は請求項1に記載の定義と同義であり、Zはフェニル基、ビフェニリル基又はナフチル基を表し、該フェニル基、該ビフェニリル基及び該ナフチル基は、水素原子の一部又は全てが炭素原子数1乃至10のアルキル基、炭素原子数1乃至10のアルコキシ基、シアノ基又はハロゲノ基で置換されていてもよい。) - 前記自己架橋性共重合体の重量平均分子量は1,000乃至100,000である、請求項1乃至請求項3のいずれか一項に記載の樹脂組成物。
- 前記ヘテロ原子は、窒素原子、酸素原子又は硫黄原子である請求項1乃至請求項4のいずれか一項に記載の樹脂組成物。
- 前記式(3)で表される化合物は下記式(3−6)で表される化合物である、請求項1乃至請求項5のいずれか一項に記載の樹脂組成物。
- 保護膜用である請求項1乃至請求項6のいずれか一項に記載の樹脂組成物。
- 平坦化膜用である請求項1乃至請求項6のいずれか一項に記載の樹脂組成物。
- マイクロレンズ用である請求項1乃至請求項6のいずれか一項に記載の樹脂組成物。
- 請求項1乃至請求項6のいずれか一項に記載の樹脂組成物を基材上に塗布し、80℃乃至300℃の温度で0.3分乃至60分間ベークする工程を含む、硬化膜の作製方法。
- 請求項10に記載の方法により作製した硬化膜上にレジストパターンを形成する工程、加熱処理によって前記レジストパターンをリフローしてレンズパターンを形成する工程、前記レンズパターンをマスクとして前記硬化膜をエッチバックして該レンズパターンの形状を該硬化膜へ転写する工程を含む、マイクロレンズの作製方法。
- 前記基材はカラーフィルターが形成された基板である請求項11に記載のマイクロレンズの作製方法。
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