JPWO2005109099A1 - ポジ型感光性樹脂組成物、パターンの製造方法及び電子部品 - Google Patents
ポジ型感光性樹脂組成物、パターンの製造方法及び電子部品 Download PDFInfo
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- JPWO2005109099A1 JPWO2005109099A1 JP2006519410A JP2006519410A JPWO2005109099A1 JP WO2005109099 A1 JPWO2005109099 A1 JP WO2005109099A1 JP 2006519410 A JP2006519410 A JP 2006519410A JP 2006519410 A JP2006519410 A JP 2006519410A JP WO2005109099 A1 JPWO2005109099 A1 JP WO2005109099A1
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- photosensitive resin
- resin composition
- positive photosensitive
- acid
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
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- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 5
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- MSTZGVRUOMBULC-UHFFFAOYSA-N 2-amino-4-[2-(3-amino-4-hydroxyphenyl)-1,1,1,3,3,3-hexafluoropropan-2-yl]phenol Chemical compound C1=C(O)C(N)=CC(C(C=2C=C(N)C(O)=CC=2)(C(F)(F)F)C(F)(F)F)=C1 MSTZGVRUOMBULC-UHFFFAOYSA-N 0.000 description 4
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- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
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- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 4
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 4
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 description 4
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- OZLBDYMWFAHSOQ-UHFFFAOYSA-N diphenyliodanium Chemical class C=1C=CC=CC=1[I+]C1=CC=CC=C1 OZLBDYMWFAHSOQ-UHFFFAOYSA-N 0.000 description 3
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- QVEIBLDXZNGPHR-UHFFFAOYSA-N naphthalene-1,4-dione;diazide Chemical compound [N-]=[N+]=[N-].[N-]=[N+]=[N-].C1=CC=C2C(=O)C=CC(=O)C2=C1 QVEIBLDXZNGPHR-UHFFFAOYSA-N 0.000 description 3
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- SOFJSIIYDIMYKZ-UHFFFAOYSA-N ethyl-hydroxy-phenyl-propylsilane Chemical compound CCC[Si](O)(CC)C1=CC=CC=C1 SOFJSIIYDIMYKZ-UHFFFAOYSA-N 0.000 description 1
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 125000000219 ethylidene group Chemical group [H]C(=[*])C([H])([H])[H] 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
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- 230000002349 favourable effect Effects 0.000 description 1
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- 125000001188 haloalkyl group Chemical group 0.000 description 1
- CATSNJVOTSVZJV-UHFFFAOYSA-N heptan-2-one Chemical compound CCCCCC(C)=O CATSNJVOTSVZJV-UHFFFAOYSA-N 0.000 description 1
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- ONVJULYGRCXHAY-UHFFFAOYSA-N hydroxy-diphenyl-propylsilane Chemical compound C=1C=CC=CC=1[Si](O)(CCC)C1=CC=CC=C1 ONVJULYGRCXHAY-UHFFFAOYSA-N 0.000 description 1
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- FQQOMIXCGMRXEH-UHFFFAOYSA-N hydroxy-methyl-phenyl-propylsilane Chemical compound CCC[Si](C)(O)C1=CC=CC=C1 FQQOMIXCGMRXEH-UHFFFAOYSA-N 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
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- UKVIEHSSVKSQBA-UHFFFAOYSA-N methane;palladium Chemical compound C.[Pd] UKVIEHSSVKSQBA-UHFFFAOYSA-N 0.000 description 1
- BJMDYNHSWAKAMX-UHFFFAOYSA-N methyl(diphenyl)sulfanium Chemical class C=1C=CC=CC=1[S+](C)C1=CC=CC=C1 BJMDYNHSWAKAMX-UHFFFAOYSA-N 0.000 description 1
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- KQSABULTKYLFEV-UHFFFAOYSA-N naphthalene-1,5-diamine Chemical compound C1=CC=C2C(N)=CC=CC2=C1N KQSABULTKYLFEV-UHFFFAOYSA-N 0.000 description 1
- GOGZBMRXLADNEV-UHFFFAOYSA-N naphthalene-2,6-diamine Chemical compound C1=C(N)C=CC2=CC(N)=CC=C21 GOGZBMRXLADNEV-UHFFFAOYSA-N 0.000 description 1
- RXOHFPCZGPKIRD-UHFFFAOYSA-N naphthalene-2,6-dicarboxylic acid Chemical compound C1=C(C(O)=O)C=CC2=CC(C(=O)O)=CC=C21 RXOHFPCZGPKIRD-UHFFFAOYSA-N 0.000 description 1
- 125000001038 naphthoyl group Chemical group C1(=CC=CC2=CC=CC=C12)C(=O)* 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
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- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 125000005375 organosiloxane group Chemical group 0.000 description 1
- 125000001181 organosilyl group Chemical group [SiH3]* 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
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- 150000002941 palladium compounds Chemical class 0.000 description 1
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 1
- UHZYTMXLRWXGPK-UHFFFAOYSA-N phosphorus pentachloride Chemical compound ClP(Cl)(Cl)(Cl)Cl UHZYTMXLRWXGPK-UHFFFAOYSA-N 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 239000003504 photosensitizing agent Substances 0.000 description 1
- XKJCHHZQLQNZHY-UHFFFAOYSA-N phthalimide Chemical compound C1=CC=C2C(=O)NC(=O)C2=C1 XKJCHHZQLQNZHY-UHFFFAOYSA-N 0.000 description 1
- 229920000259 polyoxyethylene lauryl ether Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- ZDYVRSLAEXCVBX-UHFFFAOYSA-N pyridinium p-toluenesulfonate Chemical compound C1=CC=[NH+]C=C1.CC1=CC=C(S([O-])(=O)=O)C=C1 ZDYVRSLAEXCVBX-UHFFFAOYSA-N 0.000 description 1
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- 230000005855 radiation Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 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
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- 239000010935 stainless steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 230000002194 synthesizing effect Effects 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
- SRWOQYHYUYGUCS-UHFFFAOYSA-N tert-butyl-dihydroxy-phenylsilane Chemical compound CC(C)(C)[Si](O)(O)C1=CC=CC=C1 SRWOQYHYUYGUCS-UHFFFAOYSA-N 0.000 description 1
- HAQMPJFWQWLQDO-UHFFFAOYSA-N tert-butyl-ethyl-hydroxy-phenylsilane Chemical compound CC[Si](O)(C(C)(C)C)C1=CC=CC=C1 HAQMPJFWQWLQDO-UHFFFAOYSA-N 0.000 description 1
- UNAYGNMKNYRIHL-UHFFFAOYSA-N tert-butyl-hydroxy-diphenylsilane Chemical compound C=1C=CC=CC=1[Si](O)(C(C)(C)C)C1=CC=CC=C1 UNAYGNMKNYRIHL-UHFFFAOYSA-N 0.000 description 1
- VLKDZHUARIPFFA-UHFFFAOYSA-N tert-butyl-hydroxy-methyl-phenylsilane Chemical compound CC(C)(C)[Si](C)(O)C1=CC=CC=C1 VLKDZHUARIPFFA-UHFFFAOYSA-N 0.000 description 1
- 150000000000 tetracarboxylic acids Chemical class 0.000 description 1
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 125000001412 tetrahydropyranyl group Chemical group 0.000 description 1
- RMVRSNDYEFQCLF-UHFFFAOYSA-N thiophenol Chemical class SC1=CC=CC=C1 RMVRSNDYEFQCLF-UHFFFAOYSA-N 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- JXUKBNICSRJFAP-UHFFFAOYSA-N triethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCOCC1CO1 JXUKBNICSRJFAP-UHFFFAOYSA-N 0.000 description 1
- FCVNATXRSJMIDT-UHFFFAOYSA-N trihydroxy(phenyl)silane Chemical compound O[Si](O)(O)C1=CC=CC=C1 FCVNATXRSJMIDT-UHFFFAOYSA-N 0.000 description 1
- QQUBYBOFPPCWDM-UHFFFAOYSA-N trihydroxy-(4-trihydroxysilylphenyl)silane Chemical compound O[Si](O)(O)C1=CC=C([Si](O)(O)O)C=C1 QQUBYBOFPPCWDM-UHFFFAOYSA-N 0.000 description 1
- NJMOHBDCGXJLNJ-UHFFFAOYSA-N trimellitic anhydride chloride Chemical compound ClC(=O)C1=CC=C2C(=O)OC(=O)C2=C1 NJMOHBDCGXJLNJ-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
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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
- G03F7/004—Photosensitive materials
- G03F7/022—Quinonediazides
- G03F7/023—Macromolecular quinonediazides; Macromolecular additives, e.g. binders
- G03F7/0233—Macromolecular quinonediazides; Macromolecular additives, e.g. binders characterised by the polymeric binders or the macromolecular additives other than the macromolecular quinonediazides
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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
- G03F7/004—Photosensitive materials
- G03F7/039—Macromolecular compounds which are photodegradable, e.g. positive electron resists
- G03F7/0392—Macromolecular compounds which are photodegradable, e.g. positive electron resists the macromolecular compound being present in a chemically amplified positive photoresist composition
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- 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 potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table 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
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- H01L21/3105—After-treatment
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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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Abstract
Description
また、280℃以下の低温硬化プロセスによって耐熱性に優れたパターンを得ることができる。
[1](a)ポリオキサゾール前駆体の構造を有するアルカリ水溶液可溶性のポリアミドと、(b)o−キノンジアジド化合物と、(c)加熱により酸を発生する熱潜在酸発生剤とを含むことを特徴とするポジ型感光性樹脂組成物。
[2]上記(a)成分が、下記一般式(I)
[3]上記(c)成分が、強酸と塩基から形成された塩であることを特徴とする上記[1]または[2]に記載のポジ型感光性樹脂組成物。
[4]上記(c)成分の分解開始温度が、140℃以上250℃以下であることを特徴とする上記[1]〜[3]のいずれか1つに記載のポジ型感光性樹脂組成物。
[5]上記(c)成分が、トルエンスルホン酸塩であることを特徴とする上記[1]〜[4]のいずれか1つに記載のポジ型感光性樹脂組成物。
[6]上記(c)成分が、ヨードニウム塩であることを特徴とする上記[1]〜[5]のいずれか1つに記載のポジ型感光性樹脂組成物。
[7]さらに、(d)フェノール性水酸基を有する化合物を含むことを特徴とする上記[1]〜[6]のいずれか1つに記載のポジ型感光性樹脂組成物。
[8]上記(d)成分が、下記一般式(II)
[9]上記一般式(II)中、Xで表される基が、下記一般式(III)
[10]上記(a)成分、(b)成分、および(c)成分間の配合割合が、上記(a)成分100重量部に対して、上記(b)成分5〜100重量部、上記(c)成分0.1〜30重量部であることを特徴とする上記[1]〜[9]のいずれか1つに記載のポジ型感光性樹脂組成物。
[11]上記(a)成分、(b)成分、(c)成分、および(d)成分間の配合割合が、上記(a)成分100重量部に対して、上記(b)成分5〜100重量部、上記(c)成分0.1〜30重量部、上記(d)成分1〜30重量部であることを特徴とする上記[7]〜[10]のいずれか1つに記載のポジ型感光性樹脂組成物。
[12]上記[1]〜[11]のいずれか1つに記載のポジ型感光性樹脂組成物を支持基板上に塗布し乾燥し、感光性樹脂膜を得る工程と、上記感光性樹脂膜を所定のパターンの活性光線に露光する工程と、上記露光後の感光性樹脂膜をアルカリ水溶液を用いて現像する工程とを含むことを特徴とするパターン製造方法。
[13]上記現像後の感光性樹脂膜を加熱処理する工程をさらに含むことを特徴とする、上記[12]に記載のパターン製造方法。
[14]上記加熱処理は、周波数を変化させながらマイクロ波をパルス状に照射する処理であることを特徴とする上記[13]に記載のパターン製造方法。
[15]上記加熱処理が、280℃以下の温度において行われることを特徴とする上記[13]又は[14]に記載のパターン製造方法。
[16]上記[12]〜[15]のいずれか1つに記載のパターンの製造方法により得られるパターンの層を有してなる電子デバイスを有する電子部品であって、上記電子デバイスが、その中に設けられた上記パターンの層を、層間絶縁膜層及び/または表面保護膜層として含むことを特徴とする電子部品。
[17]MRAMであることを特徴とする上記[16]に記載の電子部品。
[図2]図2は、図1に示す工程に続く製造工程を示す断面図である。
[図3]図3は、図2に示す工程に続く製造工程を示す断面図である。
[図4]図4は、図3に示す工程に続く製造工程を示す断面図である。
[図5]図5は、図4に示す工程に続く製造工程を示す断面図である。
本発明のポジ型感光性樹脂組成物は、(a)成分として、ポリオキサゾール前駆体の構造を有するアルカリ水溶液可溶性のポリアミドを含む。本発明に用いられるポリアミドは、ポリオキサゾール前駆体の構造を一部に有し、全体としてアルカリ水溶液可溶性であれば特に制限はなく、例えば、ポリオキサゾール前駆体ではないポリアミドの構造、ポリベンゾオキサゾールの構造、ポリイミドやポリイミド前駆体(ポリアミド酸やポリアミド酸エステル)の構造等をポリオキサゾール前駆体の構造と共に有していても良い。
ジアミン(i)及びテトラカルボン酸無水物(ii)としては次のものが挙げられる。
合成例1 ポリベンゾオキサゾール前駆体の合成
攪拌機、温度計を備えた0.5リットルのフラスコ中に、4,4’−ジフェニルエーテルジカルボン酸15.48gと、N−メチルピロリドン90gとを仕込み、フラスコを5℃に冷却した後、塩化チオニル12.64gを滴下し、30分間反応させて、4,4’−ジフェニルエーテルジカルボン酸クロリドの溶液を得た。次いで、攪拌機、温度計を備えた0.5リットルのフラスコ中に、N−メチルピロリドン87.5gを仕込み、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18.30gを添加し、攪拌溶解した。次いで、ピリジン8.53gを添加し、温度を0〜5℃に保ちながら、4,4’−ジフェニルエーテルジカルボン酸クロリドの溶液を30分間で滴下した後、30分間攪拌を続けた。得られた溶液を3リットルの水に投入し、析出物を回収、純水で3回洗浄した後、減圧乾燥してポリヒドロキシアミド(ポリベンゾオキサゾール前駆体)を得た(以下、ポリマーIとする)。ポリマーIのGPC法標準ポリスチレン換算により求めた重量平均分子量は14580、分散度は1.6であった。
合成例1で使用した4,4’−ジフェニルエーテルジカルボン酸の20mol%をシクロヘキサン−1,4−ジカルボン酸に置き換えた以外は合成例1と同様の条件にて合成を行った。得られたポリヒドロキシアミド(以下、ポリマーIIとする)の標準ポリスチレン換算により求めた重量平均分子量は18580、分散度は1.5であった。
上記ポリベンゾオキサゾール前駆体100重量部[(a)成分]に対し、感光剤である成分(b)、加熱により酸を発生する熱潜在酸発生剤(c)、フェノール性水酸基を有する化合物(d)、溶剤(e)を下記表1に示した所定量にて配合し、さらに接着助剤として尿素プロピルトリエトキシシランの50%メタノール溶液10重量部を配合した。この溶液を3μm孔のテフロン(登録商標)フィルタを用いて加圧ろ過して、感光性樹脂組成物の溶液を得た。
さらに、表1に示した実施例1、2、3、7、8、9、10、11で用いた材料からなるポジ型感光性樹脂組成物溶液に関して、硬化方法を変えた検討を行った。まず、これらのポジ型感光性樹脂組成物溶液をシリコンウエハ上にスピンコートして、120℃で3分間加熱し、膜厚15μmの塗膜を形成した。その後、上記塗膜をラムダテクノロジー社製Microcure2100により、マイクロ波出力450W、マイクロ波周波数5.9〜7.0GHzとし、基板温度を200℃に保って、2時間硬化し、膜厚約10μmの硬化膜を得た。
実施例1と同様に合成例で合成したポリベンゾオキサゾール前駆体100重量部[(a)成分]に対し、感光剤である成分(b)、成分(c)、フェノール性水酸基を有する化合物(d)、溶剤(e)を下記表5に示した所定量にて配合し、さらに接着助剤として尿素プロピルトリエトキシシランの50%メタノール溶液10重量部を配合した。なお、ここでは、成分(c)に関しては添加しないか、あるいは以下に示すC15〜C19を用いた。上記溶液を3μm孔のテフロン(登録商標)フィルタを用いて加圧ろ過して、感光性樹脂組成物の溶液を得た。
合成例3 ヒドロキシ基含有ジアミン化合物の合成(VII)の合成
乾燥窒素気流下、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18.3g(0.05mol)をアセトン100ml、プロピレンオキシド17.4g(0.3mol)に溶解させ、−15℃に冷却した。ここに4−ニトロベンゾイルクロリド20.4g(0.11mol)をアセトン100mlに溶解させた溶液を滴下した。滴下終了後、−15℃で4時間反応させ、その後室温に戻した。析出した白色固体をろ別し、50℃で真空乾燥した。次に得られた固体30gを300mlのステンレスオートクレーブに入れ、メチルセルソルブ250mlに分散させ、5%パラジウム−カーボンを2g加えた。ここに水素を導入して、還元反応を室温で行った。約2時間反応後、ろ過して触媒であるパラジウム化合物を除き、ロータリーエバポレーターで濃縮し、ジアミン化合物(VII)を得た。得られた固体をそのまま反応に使用した。
乾燥窒素気流下、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18.3g(0.05mol)とアリルグリシジルエーテル34.2g(0.3mol)をγ−ブチロラクトン100gに溶解させ、−15℃に冷却した。ここにγ−ブチロラクトンに溶解させた無水トリメリット酸クロリド22.1g(0.11mol)を反応液の温度が0℃を超えないように滴下した。滴下終了後、0℃で4時間反応させた。この溶液をロータリーエバポレーターで濃縮して、トルエン1lに投入して酸無水物(VIII)を得た。
乾燥窒素気流下、合成例3で得られたヒドロキシル基含有ジアミン(VII)15.1g(0.025mol)をN−メチル−2−ピロリドン50gに溶解させた。ここに合成例4で得られたヒドロキシ基含有酸無水物(VIII)17.5g(0.025mol)をピリジン30gとともに加えて、60℃で6時間反応させた。反応終了後、溶液を水2lに投入してポリマー固体の沈殿をろ過により集めた後、水洗、減圧乾燥して、ポリ(イミドーベンゾオキサゾール)前駆体を得た(以下、ポリマーIIIとする)。
合成例5で使用したヒドロキシル基含有ジアミン(VII)を4,4’−ジアミノフェニルエーテル5.01g(0.025mol)に置き換えた以外は、合成例5と同様の条件にて合成を行い、ポリ(イミドーベンゾオキサゾール)前駆体を得た(以下、ポリマーIVとする)。
Claims (17)
- (a)ポリオキサゾール前駆体の構造を有するアルカリ水溶液可溶性のポリアミドと、(b)o−キノンジアジド化合物と、(c)加熱により酸を発生する熱潜在酸発生剤とを含むことを特徴とするポジ型感光性樹脂組成物。
- 前記(c)成分が、強酸と塩基から形成された塩であることを特徴とする請求項1または2に記載のポジ型感光性樹脂組成物。
- 前記(c)成分の分解開始温度が、140℃以上250℃以下であることを特徴とする請求項1〜3のいずれか1項に記載のポジ型感光性樹脂組成物。
- 前記(c)成分が、トルエンスルホン酸塩であることを特徴とする請求項1〜4のいずれか1項に記載のポジ型感光性樹脂組成物。
- 前記(c)成分が、ヨードニウム塩であることを特徴とする請求項1〜5のいずれか1項に記載のポジ型感光性樹脂組成物。
- さらに、(d)フェノール性水酸基を有する化合物を含むことを特徴とする請求項1〜6のいずれか1項に記載のポジ型感光性樹脂組成物。
- 前記(a)成分、(b)成分、および(c)成分間の配合割合が、前記(a)成分100重量部に対して、前記(b)成分5〜100重量部、前記(c)成分0.1〜30重量部であることを特徴とする請求項1〜9のいずれか1項に記載のポジ型感光性樹脂組成物。
- 前記(a)成分、(b)成分、(c)成分、および(d)成分間の配合割合が、前記(a)成分100重量部に対して、前記(b)成分5〜100重量部、前記(c)成分0.1〜30重量部、前記(d)成分1〜30重量部であることを特徴とする請求項7〜10のいずれか1項に記載のポジ型感光性樹脂組成物。
- 請求項1〜11のいずれか1項に記載のポジ型感光性樹脂組成物を支持基板上に塗布し乾燥し、感光性樹脂膜を得る工程と、
前記感光性樹脂膜を所定のパターンの活性光線に露光する工程と、
前記露光後の感光性樹脂膜をアルカリ水溶液を用いて現像する工程とを含むことを特徴とするパターン製造方法。 - 前記現像後の感光性樹脂膜を加熱処理する工程をさらに含むことを特徴とする、請求項12記載のパターン製造方法。
- 前記加熱処理は、周波数を変化させながらマイクロ波をパルス状に照射する処理であることを特徴とする請求項13に記載のパターン製造方法。
- 前記加熱処理が280℃以下の温度において行われることを特徴とする請求項13又は14に記載のパターン製造方法。
- 請求項12〜15のいずれか1項に記載のパターンの製造方法により得られるパターンの層を有してなる電子デバイスを有する電子部品であって、前記電子デバイスが、その中に設けられた前記パターンの層を、層間絶縁膜層及び/または表面保護膜層として含むことを特徴とする電子部品。
- MRAMであることを特徴とする請求項16に記載の電子部品。
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CN1860414B (zh) | 2011-01-26 |
KR20060085629A (ko) | 2006-07-27 |
CN1860414A (zh) | 2006-11-08 |
JP2011158921A (ja) | 2011-08-18 |
EP2469337A1 (en) | 2012-06-27 |
JP5115635B2 (ja) | 2013-01-09 |
EP2469337B1 (en) | 2014-01-22 |
US7435525B2 (en) | 2008-10-14 |
US20070122733A1 (en) | 2007-05-31 |
TW200604251A (en) | 2006-02-01 |
EP1744213A4 (en) | 2011-02-02 |
EP1744213A1 (en) | 2007-01-17 |
WO2005109099A1 (ja) | 2005-11-17 |
EP1744213B1 (en) | 2014-09-03 |
TWI289149B (en) | 2007-11-01 |
KR100774672B1 (ko) | 2007-11-08 |
JP4775261B2 (ja) | 2011-09-21 |
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