JP2006350262A - ポジ型感光性ポリイミド組成物及びそれを用いたポリイミドパターンの形成方法 - Google Patents
ポジ型感光性ポリイミド組成物及びそれを用いたポリイミドパターンの形成方法 Download PDFInfo
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- JP2006350262A JP2006350262A JP2005180000A JP2005180000A JP2006350262A JP 2006350262 A JP2006350262 A JP 2006350262A JP 2005180000 A JP2005180000 A JP 2005180000A JP 2005180000 A JP2005180000 A JP 2005180000A JP 2006350262 A JP2006350262 A JP 2006350262A
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- Prior art keywords
- polyimide
- thbp
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- film
- composition
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- 239000004642 Polyimide Substances 0.000 title claims abstract description 154
- 239000000203 mixture Substances 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims description 34
- 206010034972 Photosensitivity reaction Diseases 0.000 claims abstract description 20
- 230000036211 photosensitivity Effects 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims description 6
- 230000001747 exhibiting effect Effects 0.000 claims description 2
- 238000004090 dissolution Methods 0.000 abstract description 29
- 238000000059 patterning Methods 0.000 abstract description 10
- 239000003795 chemical substances by application Substances 0.000 abstract description 6
- 239000010408 film Substances 0.000 description 56
- 150000004984 aromatic diamines Chemical class 0.000 description 52
- 238000011161 development Methods 0.000 description 38
- 230000018109 developmental process Effects 0.000 description 38
- -1 quinonediazide compound Chemical class 0.000 description 21
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- 239000000243 solution Substances 0.000 description 17
- GTDPSWPPOUPBNX-UHFFFAOYSA-N ac1mqpva Chemical compound CC12C(=O)OC(=O)C1(C)C1(C)C2(C)C(=O)OC1=O GTDPSWPPOUPBNX-UHFFFAOYSA-N 0.000 description 16
- 239000003513 alkali Substances 0.000 description 16
- 239000002585 base Substances 0.000 description 16
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- KGWYICAEPBCRBL-UHFFFAOYSA-N 1h-indene-1-carboxylic acid Chemical compound C1=CC=C2C(C(=O)O)C=CC2=C1 KGWYICAEPBCRBL-UHFFFAOYSA-N 0.000 description 7
- 125000003118 aryl group Chemical group 0.000 description 7
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- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 6
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- KKTUQAYCCLMNOA-UHFFFAOYSA-N 2,3-diaminobenzoic acid Chemical compound NC1=CC=CC(C(O)=O)=C1N KKTUQAYCCLMNOA-UHFFFAOYSA-N 0.000 description 4
- HVHNMNGARPCGGD-UHFFFAOYSA-N 2-nitro-p-phenylenediamine Chemical compound NC1=CC=C(N)C([N+]([O-])=O)=C1 HVHNMNGARPCGGD-UHFFFAOYSA-N 0.000 description 4
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- NIHNNTQXNPWCJQ-UHFFFAOYSA-N fluorene Chemical compound C1=CC=C2CC3=CC=CC=C3C2=C1 NIHNNTQXNPWCJQ-UHFFFAOYSA-N 0.000 description 4
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- ICNFHJVPAJKPHW-UHFFFAOYSA-N 4,4'-Thiodianiline Chemical compound C1=CC(N)=CC=C1SC1=CC=C(N)C=C1 ICNFHJVPAJKPHW-UHFFFAOYSA-N 0.000 description 3
- OCEINMLGYDSKFW-UHFFFAOYSA-N 4-(4-amino-3-nitrophenyl)-2-nitroaniline Chemical group C1=C([N+]([O-])=O)C(N)=CC=C1C1=CC=C(N)C([N+]([O-])=O)=C1 OCEINMLGYDSKFW-UHFFFAOYSA-N 0.000 description 3
- HLBLWEWZXPIGSM-UHFFFAOYSA-N 4-Aminophenyl ether Chemical compound C1=CC(N)=CC=C1OC1=CC=C(N)C=C1 HLBLWEWZXPIGSM-UHFFFAOYSA-N 0.000 description 3
- MERLDGDYUMSLAY-UHFFFAOYSA-N 4-[(4-aminophenyl)disulfanyl]aniline Chemical compound C1=CC(N)=CC=C1SSC1=CC=C(N)C=C1 MERLDGDYUMSLAY-UHFFFAOYSA-N 0.000 description 3
- ASNOFHCTUSIHOM-UHFFFAOYSA-N 4-[10-(4-aminophenyl)anthracen-9-yl]aniline Chemical compound C1=CC(N)=CC=C1C(C1=CC=CC=C11)=C(C=CC=C2)C2=C1C1=CC=C(N)C=C1 ASNOFHCTUSIHOM-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
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- 150000003512 tertiary amines Chemical group 0.000 description 3
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- AVQQQNCBBIEMEU-UHFFFAOYSA-N 1,1,3,3-tetramethylurea Chemical compound CN(C)C(=O)N(C)C AVQQQNCBBIEMEU-UHFFFAOYSA-N 0.000 description 2
- XQRUEDXXCQDNOT-UHFFFAOYSA-N 2,5-diaminophenol Chemical compound NC1=CC=C(N)C(O)=C1 XQRUEDXXCQDNOT-UHFFFAOYSA-N 0.000 description 2
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- LFBALUPVVFCEPA-UHFFFAOYSA-N 4-(3,4-dicarboxyphenyl)phthalic acid Chemical compound C1=C(C(O)=O)C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)C(C(O)=O)=C1 LFBALUPVVFCEPA-UHFFFAOYSA-N 0.000 description 2
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Abstract
【解決手段】光酸発生剤と、該光酸発生剤の存在下にポジ型感光性を示す溶剤可溶のポリイミドとを含むポジ型感光性ポリイミド組成物であって、前記光酸発生剤が、THBP-2008トリヒドロキシベンゾフェノンのジヒドロナフトキノンジアジドスルホン酸エステル誘導体)であり、かつ、THBP-200の含量が、前記ポリイミドの重量を基準として25〜55重量%であるポジ型感光性ポリイミド組成物を提供した。
【選択図】図3
Description
{ラクトン}+{塩基}+{水} = {酸基}+{塩基}−
株式会社ピーアイ技術研究所製のブロック共重合ポリイミドPI21-101をブロック共重合ポリイミドとして用いた。なお、ブロック共重合ポリイミドPI21-101は、3,4,3’,4’−ビフェニルテトラカルボン酸ジ無水物(BPDA)と2倍モルのm-ジアミノジフェニルエーテル(m-DADE)とを重縮合させる段階と、3倍モルのBPDA、p-ジアミノジフェニルエーテル(p-DADE)と、下記構造式のフッ素含有ジヒドロキシジアミン
図1に露光されていない膜について現像液に浸潤された時間に対する膜厚の変化を示す。 どの感光剤濃度の薄膜について、浸潤時間10分までの範囲内では、厚さは時間に正比例して減少する。THBP-200の濃度が増加すると、図1の傾きで表される溶解速度が減少する。THBP-200の濃度が20wt%以上の場合で、浸潤時間を10分より超えて増加させると、溶解速度が数倍と大幅に増加する。このことから、THBP-200/PI21-101感光性ブロック共重合ポリイミドにおいて、良好なパターン形成のためには10分以下の現像時間とすることが求められることが分かる。
Claims (8)
- 前記光酸発生剤の含量が、前記ポリイミドの重量の27重量%ないし33重量%である請求項1記載の組成物。
- 膜厚が10μm以上の厚膜形成用である請求項1又は2記載の組成物。
- 膜厚が13μm以上の厚膜形成用である請求項3記載の組成物。
- 溶液の形態にある請求項1ないし4のいずれか1項に記載の組成物を塗布し、乾燥後、選択露光し、次いで現像することを含む、ポリイミドパターンの形成方法。
- 前記ポリイミドパターンが、厚さ10μm以上のパターン化膜である請求項5記載の方法。
- 前記ポリイミドパターンが、厚さ13μm以上のパターン化膜である請求項6記載の方法。
- 請求項6又は7記載の方法により形成された、ポリイミドパターン。
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