JP6408802B2 - 感エネルギー性樹脂組成物 - Google Patents
感エネルギー性樹脂組成物 Download PDFInfo
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- JP6408802B2 JP6408802B2 JP2014133088A JP2014133088A JP6408802B2 JP 6408802 B2 JP6408802 B2 JP 6408802B2 JP 2014133088 A JP2014133088 A JP 2014133088A JP 2014133088 A JP2014133088 A JP 2014133088A JP 6408802 B2 JP6408802 B2 JP 6408802B2
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- 125000005561 phenanthryl group Chemical group 0.000 description 1
- LFSXCDWNBUNEEM-UHFFFAOYSA-N phthalazine Chemical compound C1=NN=CC2=CC=CC=C21 LFSXCDWNBUNEEM-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 description 1
- 229910052913 potassium silicate Inorganic materials 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 125000001325 propanoyl group Chemical group O=C([*])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229960000380 propiolactone Drugs 0.000 description 1
- 125000001501 propionyl group Chemical group O=C([*])C([H])([H])C([H])([H])[H] 0.000 description 1
- MCSINKKTEDDPNK-UHFFFAOYSA-N propyl propionate Chemical compound CCCOC(=O)CC MCSINKKTEDDPNK-UHFFFAOYSA-N 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- HTGODBGFEKUXOL-UHFFFAOYSA-N pyrazine-2,5-dicarbaldehyde Chemical compound O=CC1=CN=C(C=O)C=N1 HTGODBGFEKUXOL-UHFFFAOYSA-N 0.000 description 1
- IKTULDHSBKTAJU-UHFFFAOYSA-N pyrazine-2,6-dicarbaldehyde Chemical compound O=CC1=CN=CC(C=O)=N1 IKTULDHSBKTAJU-UHFFFAOYSA-N 0.000 description 1
- PBMFSQRYOILNGV-UHFFFAOYSA-N pyridazine Chemical compound C1=CC=NN=C1 PBMFSQRYOILNGV-UHFFFAOYSA-N 0.000 description 1
- PDZVRRLMPIFRHU-UHFFFAOYSA-N pyridine-3,4-dicarbaldehyde Chemical compound O=CC1=CC=NC=C1C=O PDZVRRLMPIFRHU-UHFFFAOYSA-N 0.000 description 1
- KFISEQOLPGMMBB-UHFFFAOYSA-N pyridine-3,5-dicarbaldehyde Chemical compound O=CC1=CN=CC(C=O)=C1 KFISEQOLPGMMBB-UHFFFAOYSA-N 0.000 description 1
- JEDNDOQVRRSUNE-UHFFFAOYSA-N pyrimidine-4,5-dicarbaldehyde Chemical compound O=CC1=CN=CN=C1C=O JEDNDOQVRRSUNE-UHFFFAOYSA-N 0.000 description 1
- PGWZFOMWBKJPRP-UHFFFAOYSA-N pyrimidine-4,6-dicarbaldehyde Chemical compound O=CC1=CC(C=O)=NC=N1 PGWZFOMWBKJPRP-UHFFFAOYSA-N 0.000 description 1
- JWVCLYRUEFBMGU-UHFFFAOYSA-N quinazoline Chemical compound N1=CN=CC2=CC=CC=C21 JWVCLYRUEFBMGU-UHFFFAOYSA-N 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 125000006413 ring segment Chemical group 0.000 description 1
- 125000003548 sec-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- KUCOHFSKRZZVRO-UHFFFAOYSA-N terephthalaldehyde Chemical compound O=CC1=CC=C(C=O)C=C1 KUCOHFSKRZZVRO-UHFFFAOYSA-N 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000005931 tert-butyloxycarbonyl group Chemical group [H]C([H])([H])C(OC(*)=O)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000005922 tert-pentoxy group Chemical group 0.000 description 1
- 125000001973 tert-pentyl group Chemical group [H]C([H])([H])C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000005934 tert-pentyloxycarbonyl group Chemical group 0.000 description 1
- 238000004154 testing of material Methods 0.000 description 1
- 229940073455 tetraethylammonium hydroxide Drugs 0.000 description 1
- LRGJRHZIDJQFCL-UHFFFAOYSA-M tetraethylazanium;hydroxide Chemical compound [OH-].CC[N+](CC)(CC)CC LRGJRHZIDJQFCL-UHFFFAOYSA-M 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- VLLMWSRANPNYQX-UHFFFAOYSA-N thiadiazole Chemical compound C1=CSN=N1.C1=CSN=N1 VLLMWSRANPNYQX-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
- CDXLAAHGENXCMM-UHFFFAOYSA-N tricyclo[6.2.1.02,7]undecane-3,4-dicarbaldehyde Chemical compound C12CCC(C3CCC(C(C13)C=O)C=O)C2 CDXLAAHGENXCMM-UHFFFAOYSA-N 0.000 description 1
- RYIZRICHLPPIII-UHFFFAOYSA-N tricyclo[6.2.1.02,7]undecane-9,10-dicarbaldehyde Chemical compound C12C(C(C(C3CCCCC13)C2)C=O)C=O RYIZRICHLPPIII-UHFFFAOYSA-N 0.000 description 1
- RIUWBIIVUYSTCN-UHFFFAOYSA-N trilithium borate Chemical compound [Li+].[Li+].[Li+].[O-]B([O-])[O-] RIUWBIIVUYSTCN-UHFFFAOYSA-N 0.000 description 1
- WUUHFRRPHJEEKV-UHFFFAOYSA-N tripotassium borate Chemical compound [K+].[K+].[K+].[O-]B([O-])[O-] WUUHFRRPHJEEKV-UHFFFAOYSA-N 0.000 description 1
- BSVBQGMMJUBVOD-UHFFFAOYSA-N trisodium borate Chemical compound [Na+].[Na+].[Na+].[O-]B([O-])[O-] BSVBQGMMJUBVOD-UHFFFAOYSA-N 0.000 description 1
- 239000004034 viscosity adjusting agent Substances 0.000 description 1
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 1
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- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/22—Polybenzoxazoles
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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
- 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
- C09D179/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen, or carbon only, not provided for in groups C09D161/00 - C09D177/00
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- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/20—Exposure; Apparatus therefor
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- G—PHYSICS
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- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/26—Processing photosensitive materials; Apparatus therefor
- G03F7/30—Imagewise removal using liquid means
- G03F7/32—Liquid compositions therefor, e.g. developers
- G03F7/322—Aqueous alkaline compositions
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- G—PHYSICS
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- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/26—Processing photosensitive materials; Apparatus therefor
- G03F7/38—Treatment before imagewise removal, e.g. prebaking
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- G—PHYSICS
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- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
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- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Materials For Photolithography (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
Description
本発明に係る感エネルギー性樹脂組成物は、上記式(1)で表される芳香族ジアミンジオールと上記式(2)で表されるジカルボニル化合物とを反応させて得られるポリベンゾオキサゾール前駆体、溶剤、並びに光及び熱の少なくとも一方の作用により分解して塩基及び酸の少なくとも一方を発生する化合物(A)を少なくとも含有する。
ポリベンゾオキサゾール前駆体は、単独で又は2種以上を混合して用いることができる。ポリベンゾオキサゾール前駆体の合成原料としては、芳香族ジアミンジオールと、特定の構造のジカルボニル化合物とを用いる。以下、芳香族ジアミンジオールと、ジカルボニル化合物とについて説明する。
本発明では、芳香族ジアミンジオールとして下記式(1)で表される化合物を用いる。芳香族ジアミンジオールは、1種を単独で用いてもよく、2種以上を組み合わせて用いてもよい。
ポリベンゾオキサゾール前駆体の合成原料としては、以上説明した芳香族ジアミンジオールとともに、下記式(2)で表されるジカルボニル化合物を用いる。前述の芳香族ジアミンジオールと、下記式(2)で表されるジカルボニル化合物とを縮合させることにより、ポリベンゾオキサゾール前駆体が得られる。
ポリベンゾオキサゾール前駆体の原料として用いるジアルデヒド化合物は、下記式(2−1)で表される化合物である。ジアルデヒド化合物は、1種を単独で用いてもよく、2種以上を組み合わせて用いてもよい。
ピラジンジアルデヒド類の具体例としては、ピラジン−2,3−ジアルデヒド、ピラジン−2,5−ジアルデヒド、及びピラジン−2,6−ジアルデヒド等が挙げられる。
ピリミジンジアルデヒド類の具体例としては、ピリミジン−2,4−ジアルデヒド、ピリミジン−4,5−ジアルデヒド、及びピリミジン−4,6−ジアルデヒド等が挙げられる。
ポリベンゾオキサゾール前駆体の原料として用いるジカルボン酸ジハライドは、下記式(2−2)で表される化合物である。ジカルボン酸ジハライドは、1種を単独で用いてもよく、2種以上を組み合わせて用いてもよい。
本発明において、ポリベンゾオキサゾール前駆体は、前述の芳香族ジアミンジオールと、ジカルボニル化合物とを、溶剤中で、周知の方法に従って反応させることによって製造される。以下、ポリベンゾオキサゾール前駆体の製造方法の代表的な例として、ジカルボニル化合物がジアルデヒド化合物である場合の製造方法と、ジカルボニル化合物がジカルボン酸ハライドである場合の製造方法とについて説明する。
芳香族ジアミンジオールとジアルデヒド化合物との反応は、溶剤中で行われる。芳香族ジアミンジオールとジアルデヒド化合物との反応はシッフ塩基の形成反応であり、周知の方法に従って行うことができる。反応温度は特に限定されないが、通常、20〜200℃が好ましく、20〜160℃がより好ましく、100〜160℃が特に好ましい。
芳香族ジアミンジオールとジカルボン酸ジハライドとの反応は、溶剤中で行われる。反応温度は特に限定されないが、通常、−20〜150℃が好ましく、−10〜150℃がより好ましく、−5〜70℃が特に好ましい。芳香族ジアミンジオールとジカルボン酸ジハライドとの反応ではハロゲン化水素が副生する。かかるハロゲン化水素を中和するために、トリエチルアミン、ピリジン、及びN,N−ジメチル−4−アミノピリジン等の有機塩基や、水酸化ナトリウム及び水酸化カリウム等のアルカリ金属水酸化物を、反応液中に少量加えてもよい。
本発明に係る感エネルギー性樹脂組成物は、塗布性の点で溶剤を含有し、固体を含むペーストであってもよく、溶液であってもよく、溶液であるのが好ましい。溶剤は単独で又は2種以上を混合して用いることができる。溶剤の種類は、本発明の目的を阻害しない範囲で、特に限定されない。好適な溶剤の例は、前述の芳香族ジアミンジオールと、ジカルボニル化合物との反応に使用される溶剤の例と同様である。溶剤は、ポリエチレングリコール、エチレングリコール、ジエチレングリコール、プロピレングリコール、及びジプロピレングリコール等のアルコール系溶剤を含んでいてもよい。溶剤が、アルコール系溶剤を含む場合、耐熱性に優れるパターンを形成しやすい。
本発明に係る感エネルギー性樹脂組成物は、光及び熱の少なくとも一方の作用により分解して塩基及び酸の少なくとも一方を発生する化合物(A)を含有する。化合物(A)は単独で又は2種以上を混合して用いることができる。
化合物(A−1)が発生するイミダゾール化合物は、本発明に係る感エネルギー性樹脂組成物中のポリベンゾオキサゾール前駆体からポリベンゾオキサゾール樹脂への変換を促進する。化合物(A−1)が発生するイミダゾール化合物は、イミダゾールであっても、イミダゾール中の炭素原子に結合した水素原子の一部又は全部が置換基で置換された化合物であってもよく、下記式(3)で表されるイミダゾール化合物であることが好ましい。
オキシム化合物(A−2)は、光及び熱の少なくとも一方の作用により分解して塩基及び酸の少なくとも一方を発生する。化合物(A−2)が分解して発生した塩基又は酸により、本発明に係る感エネルギー性樹脂組成物中のポリベンゾオキサゾール前駆体からポリベンゾオキサゾール樹脂への変換が促進される。
Rd1が環状の脂肪族炭化水素基である場合の好適な例としてはシクロペンチル基、シクロへキシル基が挙げられる。
Rd1が直鎖状の脂肪族炭化水素基と環状の脂肪族炭化水素基とを組み合わせた構造である場合の好適な例としては、シクロヘキシルメチル基、シクロペンチルメチル基、2−シクロヘキシルエチル基、2−シクロペンチルエチル基、3−シクロヘキシル−n−プロピル基、及び3−シクロペンチル−n−プロピル基が挙げられ、これらの基の中では2−シクロヘキシルエチル基、及び2−シクロペンチルエチル基が好ましい。
Rd2が脂肪族炭化水素基である場合、当該脂肪族炭化水素基の炭素数は、1〜6が好ましく、1がより好ましい。当該脂肪族炭化水素基は、飽和脂肪族炭化水素基であってもよく、不飽和結合を有する炭化水素基であってもよい。当該脂肪族炭化水素基の構造は、直鎖状であっても、分岐鎖状であっても、環状であっても、これらの構造を組み合わせた構造であってもよく、直鎖状であるのが好ましい。
式(D1−2)において、AはSであるのが好ましい。
また、式(D1)で表される化合物は、pが0であり、Rd2が炭素数1〜10の脂肪族炭化水素基であり、Rd3が−CO−Rd5で表される基である場合、Rd2−C(=N−OH)−Rd1で表されるオキシム化合物を、スキーム2に記載される方法に従ってアシル化することで、Rd2−C(=N−O−CO−Rd5)−Rd1で表される化合物として得ることができる。
本発明に係る感エネルギー性樹脂組成物は、本発明の目的を阻害しない範囲で、上記成分以外にその他の成分を含んでいてもよい。その他の成分の例としては、界面活性剤、可塑剤、粘度調整剤、消泡剤、及び着色剤等が挙げられる。
本発明に係る、ポリベンゾオキサゾール膜又はポリベンゾオキサゾール成形体の製造方法は、本発明に係る感エネルギー性樹脂組成物からなる塗膜又は成形体を形成する形成工程と、上記塗膜又は成形体を露光又は加熱することにより上記塗膜又は成形体中の化合物(A)を分解する分解工程とを含むものである。以下、各工程について説明する。
形成工程では、本発明に係る感エネルギー性樹脂組成物を被塗布体の表面に塗布したり、上記感エネルギー性樹脂組成物を適当な成形方法で成形したりして、上記感エネルギー性樹脂組成物からなる塗膜又は成形体を形成する。塗布方法としては、例えば、ディッピング法、スプレー法、バーコート法、ロールコート法、スピンコート法、カーテンコート法等が挙げられる。塗膜の厚さは、特に限定されない。典型的には、塗膜の厚さは、2〜100μmが好ましく、3〜50μmがより好ましい。塗膜の厚さは、塗布方法や感エネルギー性樹脂組成物の固形分濃度や粘度を調節することにより、適宜制御することができる。
分解工程では、上記形成工程で形成された塗膜又は成形体を露光又は加熱することにより上記塗膜又は成形体中の化合物(A)を分解する。化合物(A)が分解して発生した塩基又は酸により、上記塗膜又は成形体中のポリベンゾオキサゾール前駆体からポリベンゾオキサゾール樹脂への変換が促進される。また、上記塗膜又は成形体を加熱する場合には、その加熱によってもポリベンゾオキサゾール樹脂への変換が進行する。このようなポリベンゾオキサゾール樹脂への変換の結果、ポリベンゾオキサゾール膜又はポリベンゾオキサゾール成形体が形成される。
本発明に係るパターン製造方法は、化合物(A)が少なくとも光の作用により分解して塩基及び酸の少なくとも一方を発生する化合物である場合において、本発明に係る感エネルギー性樹脂組成物からなる塗膜又は成形体を形成する形成工程と、上記塗膜又は成形体を選択的に露光する露光工程と、露光後の上記塗膜又は成形体を現像する現像工程と、現像後の上記塗膜又は成形体を加熱する加熱工程とを含むものである。
上記パターン製造方法における形成工程は、本発明に係る感エネルギー性樹脂組成物において、化合物(A)が少なくとも光の作用により分解して塩基及び酸の少なくとも一方を発生する化合物である点を除き、上記ポリベンゾオキサゾール膜又はポリベンゾオキサゾール成形体の製造方法における形成工程について、説明したのと同様である。
露光工程では、形成工程で得られる塗膜又は成形体を、所定のパターンに選択的に露光する。選択的露光は、通常、所定のパターンのマスクを用いて行われる。露光に用いられる放射線や露光量は、上記ポリベンゾオキサゾール膜又はポリベンゾオキサゾール成形体の製造方法における分解工程において、塗膜又は成形体を露光する場合について、説明したのと同様である。
現像工程では、露光工程において所定のパターンに選択的に露光された塗膜又は成形体から未露光部を除去して、上記塗膜又は成形体を現像する。未露光部は、通常、アルカリ現像液に溶解させて除去される。現像方法としては、例えば、シャワー現像法、スプレー現像法、浸漬現像法、パドル現像法等が挙げられる。アルカリ現像液としては、無機アルカリ化合物及び有機アルカリ化合物から選択される1種以上のアルカリ化合物を含有する水溶液を用いることができる。現像液中のアルカリ化合物の濃度は、露光後の塗膜又は成形体を良好に現像できる限り特に限定されない。典型的には、現像液中のアルカリ化合物の濃度は、1〜10質量%が好ましい。
加熱工程では、現像工程において、未露光部が除去されることによって、所定のパターンに現像された塗膜又は成形体を加熱する。これにより、露光工程を経ても塗膜又は成形体中に残存していたポリベンゾオキサゾール前駆体からポリベンゾオキサゾール樹脂への変換が更に促進され、ポリベンゾオキサゾール樹脂への変換がより十分なものとなる。加熱温度は、上記ポリベンゾオキサゾール膜又はポリベンゾオキサゾール成形体の製造方法における分解工程において、塗膜又は成形体を加熱する場合について、説明したのと同様である。
実施例及び比較例では、以下に示す芳香族ジアミンジオール、ジカルボニル化合物、溶剤、化合物E1〜E5、及び比較化合物C1を用いた。
・芳香族ジアミンジオール
DA1:2,2'−ビス(3−アミノ−4−ヒドロキシフェニル)ヘキサフルオロプロパン
DA2:4,4’−ジアミノ−3,3’−ジヒドロキシビフェニル
・ジカルボニル化合物
DC1:イソフタルアルデヒド
DC2:テレフタル酸二クロライド
・溶剤
NMP:N−メチル−2−ピロリドン
TMU:N,N,N’,N’−テトラメチルウレア
DMIB:N,N,2−トリメチルプロピオンアミド
・化合物E1〜E5、比較化合物C1
ポリベンゾオキサゾール前駆体を以下の方法に従って調製した。ポリベンゾオキサゾール前駆体の調製方法について、芳香族ジアミンジオールとジアルデヒド化合物(DC1)との反応、及び芳香族ジアミンジオールとジカルボン酸ジハライド(DC2)との反応を以下に記す。
回転子を入れた三角フラスコに、表1に記載の種類及び量の芳香族ジアミンジオールと、表1に記載の種類及び量の溶剤を加えた後、マグネッチックスターラーを用いてフラスコの内容物5分間撹拌した。その後、表1に記載の量のDC1(イソフタルアルデヒド)をフラスコ内に入れ、窒素雰囲気下でフラスコの内容物を3時間還流させて反応を行った。次いで、減圧蒸留にて、反応液を脱水し、ポリベンゾオキサゾール前駆体の溶液を得た。一例として、実施例4では、ポリベンゾオキサゾール前駆体の数平均分子量は約1500であった。
回転子を入れた三角フラスコに、表1に記載の種類及び量の芳香族ジアミンジオールと、芳香族ジアミンジオールの2倍モル量のトリエチルアミンと、表1に記載の種類の溶剤(量は、表1に記載の量の半分)を加えた。次いで、表1に記載の量のDC2(テレフタル酸ジクロライド)を表1に記載の種類の溶剤(量は、表1に記載の量の半分)に溶解させた溶液を、窒素雰囲気下において、三角フラスコ内に0℃で30分かけて滴下した。滴下終了後、室温にて三角フラスコ内の反応液を更に5時間撹拌して、ポリベンゾオキサゾール前駆体の溶液を得た。
各実施例、参考例、及び比較例で得られたポリベンゾオキサゾール前駆体の溶液に、化合物E1〜E5及び比較化合物C1のいずれかを、表1に記載の量で添加し撹拌して、感エネルギー性樹脂組成物を調製した。
各実施例、参考例、及び比較例で得られた感エネルギー性樹脂組成物を用いて下記の方法に従ってポリベンゾオキサゾール樹脂膜を形成し、ポリベンゾオキサゾール樹脂膜の引張伸度と、製膜性と、耐薬品性(NMP)と、着色と、パターニング特性とを評価した。これらの評価結果を表1に記す。
得られた感エネルギー性樹脂組成物をウエハ基板上に、アプリケーター(YOSHIMITSU SEIKI製、TBA−7型)により塗布した。ウエハ基板上の塗布膜を表1に記載の条件で加熱して、膜厚約10μmのポリベンゾオキサゾール樹脂膜を形成した。得られたポリベンゾオキサゾール樹脂膜から、IEC450規格に従った形状のダンベル型試験片を打ち抜いて、引張伸度測定用の試験片を得た。得られた試験片を用いて、チャック間距離20mm、引張速度2mm/分の条件で、万能材料試験機(TENSILON、株式会社オリエンテック製)によって、ポリベンゾオキサゾール樹脂の破断伸度を測定した。破断伸度が30%以上である場合を○と判定し、25%以上30%未満である場合を△と判定し、25%未満である場合を×と判定した。
引張伸度評価と同様にして膜厚約10μmのポリベンゾオキサゾール樹脂膜を形成した。得られたポリベンゾオキサゾール樹脂膜を目視観察し、ポリイミド膜に、膨れ、割れ、発泡等の不具合がほとんど観察されないか、これらの不具合がポリイミド膜の全面積の20%以下程度の範囲に観察されたものを○と判定し、これらの不具合がポリイミド膜の全面積の20%超30%以下程度の範囲に観察されたものを△と判定し、これらの不具合がポリイミド膜の全面積の約30%超の範囲に観察されたものを×と判定した。
引張伸度評価と同様にして膜厚約10μmのポリベンゾオキサゾール樹脂膜を形成した。形成された膜上にNMPを1cc滴下し、1分間又は2分間放置した後にNMPを除去した。NMP除去後の膜の表面状態を目視で観察し、2分間の放置でも膜表面に変化がなかったものを○と判定し、2分間の放置では膜表面に窪み等の痕が残ったが、1分間の放置では膜表面に変化がなかったものを△と判定し、1分間の放置でも膜表面に窪み等の痕が残ったものを×と判定した。
引張伸度評価と同様にして膜厚約10μmのポリベンゾオキサゾール樹脂膜を形成した。得られたポリベンゾオキサゾール樹脂膜の全波長透過率を、分光測定器(商品名:MCPD−3000、大塚電子製)を用いて測定した。全波長透過率が95%以上のものを◎と判定し、90%以上95%未満のものを○と判定し、80%以上90%未満のものを△と判定し、80%未満のものを×と判定した。
得られた感エネルギー性樹脂組成物をウエハ基板上に、スピンコーター(ミカサ製、1H−360S)により塗布し、80℃で5分間プリベークして、膜厚3μmの塗膜を形成した。ラインアンドスペースパターンのマスクを用いて、高圧水銀灯により100mJ/cm2の条件で露光した。露光された塗膜を、120℃のホットプレート上で5分間加熱した後、現像液(テトラメチルアンモニウムハイドロオキサイド2.38質量%水溶液とイソプロパノールを9:1で混合した溶液)に浸漬した。その結果、露光部が現像液に溶解せず残存したパターンを得ることができた。次いで、現像された塗膜を180℃で1時間加熱して、ポリベンゾオキサゾール前駆体からポリベンゾオキサゾール樹脂への変換を行った。上記変換後の塗膜を観察し、以下の基準に従い、パターニング特性を評価した。幅5μmのラインが形成可能であった場合を良(◎)と判定し、幅5μmのラインは形成不可であったが、幅10μmのラインは形成可能であった場合を良(○)と判定し、幅5μmのラインも幅10μmのラインも形成不可であった場合を不良(×)と判定した。
比較例5によれば、溶剤としてN,N,N’,N’−テトラメチルウレアを用い、化合物E1〜E5を添加しない場合、着色が抑制され透明性が高くなるものの、引張伸度のような機械的特性や耐薬品性にやや劣り、パターニング特性に劣る傾向にあり、ブリスター、割れ、ピンホール等の欠陥の無いポリベンゾオキサゾール樹脂フィルムがやや得にくいことが分かる。
Claims (5)
- 下記式(1)で表される芳香族ジアミンジオールと下記式(2)で表されるジカルボニル化合物とを反応させて得られるポリベンゾオキサゾール前駆体と、溶剤と、光及び熱の少なくとも一方の作用により分解して塩基を発生する化合物(A)とを含有する感エネルギー性樹脂組成物であって、
前記化合物(A)は、下記式(5)で表される化合物、下記式(6)で表される化合物、及び、下記式(D1)で表される化合物の少なくとも1種を含む感エネルギー性樹脂組成物。
(式中、Ra1は1以上の芳香環を含む4価の有機基であり、式(1)で表される芳香族ジアミンジオールに含まれる2組のアミノ基と水酸基との組み合わせに関して、それぞれの組み合わせでは、アミノ基と水酸基とは、Ra1に含まれる芳香環上の隣接する2つの炭素原子に結合している。)
(式中、Ra2は2価の有機基を表し、Aは水素原子又はハロゲン原子を表す。)
(式中、R 1 、R 2 、及びR 3 は、それぞれ独立に水素原子、ハロゲン原子、水酸基、メルカプト基、スルフィド基、シリル基、シラノール基、ニトロ基、ニトロソ基、ホスフィノ基、スルホナト基、ホスフィニル基、ホスホナト基、又は有機基を示す。R 4 及びR 5 は、それぞれ独立に水素原子、ハロゲン原子、水酸基、メルカプト基、スルフィド基、シリル基、シラノール基、ニトロ基、ニトロソ基、スルフィノ基、スルホ基、スルホナト基、ホスフィノ基、ホスフィニル基、ホスホノ基、ホスホナト基、又は有機基を示す。R 6 、R 7 、R 8 、及びR 9 は、それぞれ独立に水素原子、ハロゲン原子、水酸基、メルカプト基、スルフィド基、シリル基、シラノール基、ニトロ基、ニトロソ基、スルフィノ基、スルホ基、スルホナト基、ホスフィノ基、ホスフィニル基、ホスホノ基、ホスホナト基、アミノ基、アンモニオ基、又は有機基を示す。ただし、R 6 及びR 7 が水酸基となることはない。R 6 、R 7 、R 8 、及びR 9 は、それらの2つ以上が結合して環状構造を形成していてもよく、ヘテロ原子の結合を含んでいてもよい。R 11 は、水素原子又は有機基を示す。)
(式中、R 1 、R 2 、及びR 3 は、それぞれ独立に水素原子、ハロゲン原子、水酸基、メルカプト基、スルフィド基、シリル基、シラノール基、ニトロ基、ニトロソ基、ホスフィノ基、スルホナト基、ホスフィニル基、ホスホナト基、又は有機基を示す。R 12 は、置換されていてもよい炭化水素基を示す。)
(式中、R d1 は、置換基を有してもよい炭素数1〜10の脂肪族炭化水素基、又は置換基を有してもよいアリール基であり、R d2 は、炭素数1〜10の脂肪族炭化水素基、又は置換基を有してもよいアリール基であり、R d3 は水素原子、又は−CO−R d5 で表される基であり、R d5 は、水素原子、炭素数1〜6のアルキル基、又は置換基を有していてもよいアリール基である。pは0又は1である。) - 前記化合物(A)は、120〜180℃で分解して塩基を発生する化合物である請求項1記載の感エネルギー性樹脂組成物。
- 前記化合物(A)は、少なくとも光の作用により分解して塩基を発生する化合物である請求項1又は2記載の感エネルギー性樹脂組成物。
- 請求項1から3のいずれか1項記載の感エネルギー性樹脂組成物からなる塗膜又は成形体を形成する形成工程と、
前記塗膜又は成形体を露光又は加熱することにより前記塗膜又は成形体中の化合物(A)を分解する分解工程とを含むポリベンゾオキサゾール膜又はポリベンゾオキサゾール成形体の製造方法。 - 請求項3記載の感エネルギー性樹脂組成物からなる塗膜又は成形体を形成する形成工程と、
前記塗膜又は成形体を選択的に露光する露光工程と、
露光後の前記塗膜又は成形体を現像する現像工程と、
現像後の前記塗膜又は成形体を加熱する加熱工程とを含むパターン製造方法。
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014133088A JP6408802B2 (ja) | 2014-06-27 | 2014-06-27 | 感エネルギー性樹脂組成物 |
| KR1020177001342A KR102417300B1 (ko) | 2014-06-27 | 2015-06-11 | 감에너지성 수지 조성물 |
| CN201580033498.4A CN106575080B (zh) | 2014-06-27 | 2015-06-11 | 能量敏感性树脂组合物 |
| US15/317,015 US20170115563A1 (en) | 2014-06-27 | 2015-06-11 | Energy-sensitive resin composition |
| PCT/JP2015/066935 WO2015198887A1 (ja) | 2014-06-27 | 2015-06-11 | 感エネルギー性樹脂組成物 |
| TW104119813A TWI687480B (zh) | 2014-06-27 | 2015-06-18 | 能量敏感性樹脂組成物 |
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| TW (1) | TWI687480B (ja) |
| WO (1) | WO2015198887A1 (ja) |
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| KR20190113369A (ko) * | 2018-03-28 | 2019-10-08 | 동우 화인켐 주식회사 | 하드마스크용 조성물 및 이를 이용한 패턴 형성 방법 |
| CN110591094B (zh) * | 2018-06-13 | 2020-11-20 | 北京大学 | 基于2,5-二烯丙氧基对苯二胺单体的聚苯并噁唑高分子材料及其制备方法 |
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| JP4154953B2 (ja) * | 2002-08-09 | 2008-09-24 | 日立化成デュポンマイクロシステムズ株式会社 | ポジ型感光性樹脂組成物、それを用いたパターンの製造方法および電子部品 |
| WO2007034604A1 (ja) * | 2005-09-22 | 2007-03-29 | Hitachi Chemical Dupont Microsystems Ltd. | ネガ型感光性樹脂組成物、パターン形成方法及び電子部品 |
| US20100009290A1 (en) * | 2006-12-03 | 2010-01-14 | Central Glass Co., Ltd. | Photosensitive Polybenzoxazines and Methods of Making the Same |
| US8071273B2 (en) * | 2008-03-31 | 2011-12-06 | Dai Nippon Printing Co., Ltd. | Polyimide precursor, resin composition comprising the polyimide precursor, pattern forming method using the resin composition, and articles produced by using the resin composition |
| KR101552371B1 (ko) * | 2008-03-31 | 2015-09-10 | 다이니폰 인사츠 가부시키가이샤 | 염기 발생제, 감광성 수지 조성물, 당해 감광성 수지 조성물을 포함하는 패턴 형성용 재료, 당해 감광성 수지 조성물을 사용한 패턴 형성 방법 및 물품 |
| JP5111234B2 (ja) * | 2008-05-20 | 2013-01-09 | 旭化成イーマテリアルズ株式会社 | アルカリ現像可能なネガ型感光性樹脂組成物 |
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| CN101508744B (zh) * | 2009-03-11 | 2011-04-06 | 常州强力电子新材料有限公司 | 咔唑肟酯类光引发剂 |
| CN102471664A (zh) * | 2009-06-30 | 2012-05-23 | 日立化成工业株式会社 | 感光性粘接剂、以及使用该粘接剂的膜状粘接剂、粘接片、粘接剂图形、带有粘接剂层的半导体晶片和半导体装置 |
| KR20120090050A (ko) * | 2009-09-30 | 2012-08-16 | 다이니폰 인사츠 가부시키가이샤 | 염기 발생제, 감광성 수지 조성물, 당해 감광성 수지 조성물을 포함하는 패턴 형성용 재료, 당해 감광성 수지 조성물을 사용한 패턴 형성 방법 및 물품 |
| JP4818458B2 (ja) * | 2009-11-27 | 2011-11-16 | 株式会社Adeka | オキシムエステル化合物及び該化合物を含有する光重合開始剤 |
| WO2011067998A1 (ja) * | 2009-12-04 | 2011-06-09 | 東レ株式会社 | 感光性樹脂組成物、それを用いた積層体および固体撮像装置 |
| JP5691731B2 (ja) * | 2011-03-28 | 2015-04-01 | 日立化成デュポンマイクロシステムズ株式会社 | ネガ型感光性樹脂組成物、パターン形成方法及び電子部品 |
| WO2012137840A1 (ja) | 2011-04-08 | 2012-10-11 | 三菱瓦斯化学株式会社 | ポリベンゾオキサゾール樹脂及びその前駆体 |
| JP5920345B2 (ja) * | 2011-06-15 | 2016-05-18 | 日立化成デュポンマイクロシステムズ株式会社 | 感光性樹脂組成物、該樹脂組成物を用いたパターン硬化膜の製造方法及び電子部品 |
| US9188871B2 (en) * | 2012-05-17 | 2015-11-17 | Taiyo Ink Mfg. Co., Ltd. | Pattern forming method, alkali-developable thermosetting resin composition, printed circuit board and manufacturing method thereof |
| JP5871771B2 (ja) * | 2012-10-26 | 2016-03-01 | 東京応化工業株式会社 | ポジ型感光性樹脂組成物、ポリイミド樹脂パターンの形成方法、及びパターン化されたポリイミド樹脂膜 |
| CN104870565B (zh) * | 2012-12-21 | 2019-04-26 | 日立化成杜邦微系统股份有限公司 | 聚酰亚胺前体树脂组合物 |
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2014
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2015
- 2015-06-11 WO PCT/JP2015/066935 patent/WO2015198887A1/ja not_active Ceased
- 2015-06-11 US US15/317,015 patent/US20170115563A1/en not_active Abandoned
- 2015-06-11 KR KR1020177001342A patent/KR102417300B1/ko active Active
- 2015-06-11 CN CN201580033498.4A patent/CN106575080B/zh active Active
- 2015-06-18 TW TW104119813A patent/TWI687480B/zh active
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| KR20170023964A (ko) | 2017-03-06 |
| US20170115563A1 (en) | 2017-04-27 |
| CN106575080A (zh) | 2017-04-19 |
| TW201612234A (en) | 2016-04-01 |
| WO2015198887A1 (ja) | 2015-12-30 |
| JP2016012019A (ja) | 2016-01-21 |
| KR102417300B1 (ko) | 2022-07-05 |
| TWI687480B (zh) | 2020-03-11 |
| CN106575080B (zh) | 2020-08-11 |
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