JP2020084057A - 硬化性組成物及びその製造方法 - Google Patents
硬化性組成物及びその製造方法 Download PDFInfo
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- JP2020084057A JP2020084057A JP2018221492A JP2018221492A JP2020084057A JP 2020084057 A JP2020084057 A JP 2020084057A JP 2018221492 A JP2018221492 A JP 2018221492A JP 2018221492 A JP2018221492 A JP 2018221492A JP 2020084057 A JP2020084057 A JP 2020084057A
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- LJGHYPLBDBRCRZ-UHFFFAOYSA-N 3-(3-aminophenyl)sulfonylaniline Chemical compound NC1=CC=CC(S(=O)(=O)C=2C=C(N)C=CC=2)=C1 LJGHYPLBDBRCRZ-UHFFFAOYSA-N 0.000 description 1
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- SJECZPVISLOESU-UHFFFAOYSA-N 3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCN SJECZPVISLOESU-UHFFFAOYSA-N 0.000 description 1
- XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 description 1
- VPWNQTHUCYMVMZ-UHFFFAOYSA-N 4,4'-sulfonyldiphenol Chemical compound C1=CC(O)=CC=C1S(=O)(=O)C1=CC=C(O)C=C1 VPWNQTHUCYMVMZ-UHFFFAOYSA-N 0.000 description 1
- QYIMZXITLDTULQ-UHFFFAOYSA-N 4-(4-amino-2-methylphenyl)-3-methylaniline Chemical group CC1=CC(N)=CC=C1C1=CC=C(N)C=C1C QYIMZXITLDTULQ-UHFFFAOYSA-N 0.000 description 1
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- JCRRFJIVUPSNTA-UHFFFAOYSA-N 4-[4-(4-aminophenoxy)phenoxy]aniline Chemical compound C1=CC(N)=CC=C1OC(C=C1)=CC=C1OC1=CC=C(N)C=C1 JCRRFJIVUPSNTA-UHFFFAOYSA-N 0.000 description 1
- UTDAGHZGKXPRQI-UHFFFAOYSA-N 4-[4-[4-(4-aminophenoxy)phenyl]sulfonylphenoxy]aniline Chemical compound C1=CC(N)=CC=C1OC1=CC=C(S(=O)(=O)C=2C=CC(OC=3C=CC(N)=CC=3)=CC=2)C=C1 UTDAGHZGKXPRQI-UHFFFAOYSA-N 0.000 description 1
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- KFRQIZZPJFOLEH-UHFFFAOYSA-N CN(C(c(c1c2)cc(C(N3C)=O)c2C3=O)=O)C1=O Chemical compound CN(C(c(c1c2)cc(C(N3C)=O)c2C3=O)=O)C1=O KFRQIZZPJFOLEH-UHFFFAOYSA-N 0.000 description 1
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical group NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 1
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- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- MQJKPEGWNLWLTK-UHFFFAOYSA-N Dapsone Chemical compound C1=CC(N)=CC=C1S(=O)(=O)C1=CC=C(N)C=C1 MQJKPEGWNLWLTK-UHFFFAOYSA-N 0.000 description 1
- 239000004640 Melamine resin Substances 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
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- VEBCLRKUSAGCDF-UHFFFAOYSA-N ac1mi23b Chemical compound C1C2C3C(COC(=O)C=C)CCC3C1C(COC(=O)C=C)C2 VEBCLRKUSAGCDF-UHFFFAOYSA-N 0.000 description 1
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- 229920000800 acrylic rubber Polymers 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
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- 239000005456 alcohol based solvent Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000002723 alicyclic group Chemical group 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
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- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium peroxydisulfate Substances [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 1
- VAZSKTXWXKYQJF-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)OOS([O-])=O VAZSKTXWXKYQJF-UHFFFAOYSA-N 0.000 description 1
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 1
- 150000008064 anhydrides Chemical group 0.000 description 1
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- 239000012298 atmosphere Substances 0.000 description 1
- HFACYLZERDEVSX-UHFFFAOYSA-N benzidine Chemical compound C1=CC(N)=CC=C1C1=CC=C(N)C=C1 HFACYLZERDEVSX-UHFFFAOYSA-N 0.000 description 1
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- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
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- 125000004093 cyano group Chemical group *C#N 0.000 description 1
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- ZZTCPWRAHWXWCH-UHFFFAOYSA-N diphenylmethanediamine Chemical compound C=1C=CC=CC=1C(N)(N)C1=CC=CC=C1 ZZTCPWRAHWXWCH-UHFFFAOYSA-N 0.000 description 1
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- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 description 1
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 description 1
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- 229910052731 fluorine Inorganic materials 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
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- 125000001188 haloalkyl group Chemical group 0.000 description 1
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- 125000005843 halogen group Chemical group 0.000 description 1
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- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
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- 150000002576 ketones Chemical class 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- ZQKXQUJXLSSJCH-UHFFFAOYSA-N melamine cyanurate Chemical compound NC1=NC(N)=NC(N)=N1.O=C1NC(=O)NC(=O)N1 ZQKXQUJXLSSJCH-UHFFFAOYSA-N 0.000 description 1
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- GKTNLYAAZKKMTQ-UHFFFAOYSA-N n-[bis(dimethylamino)phosphinimyl]-n-methylmethanamine Chemical compound CN(C)P(=N)(N(C)C)N(C)C GKTNLYAAZKKMTQ-UHFFFAOYSA-N 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 125000000018 nitroso group Chemical group N(=O)* 0.000 description 1
- AHHWIHXENZJRFG-UHFFFAOYSA-N oxetane Chemical compound C1COC1 AHHWIHXENZJRFG-UHFFFAOYSA-N 0.000 description 1
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- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
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- 150000002989 phenols Chemical class 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 150000003018 phosphorus compounds Chemical class 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920002627 poly(phosphazenes) Polymers 0.000 description 1
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- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
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- 239000001205 polyphosphate Substances 0.000 description 1
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- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- PJANXHGTPQOBST-UHFFFAOYSA-N stilbene Chemical compound C=1C=CC=CC=1C=CC1=CC=CC=C1 PJANXHGTPQOBST-UHFFFAOYSA-N 0.000 description 1
- 235000021286 stilbenes Nutrition 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000003107 substituted aryl group Chemical group 0.000 description 1
- 125000005346 substituted cycloalkyl group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 125000000565 sulfonamide group Chemical group 0.000 description 1
- LTURHSAEWJPFAA-UHFFFAOYSA-N sulfuric acid;1,3,5-triazine-2,4,6-triamine Chemical compound OS(O)(=O)=O.NC1=NC(N)=NC(N)=N1 LTURHSAEWJPFAA-UHFFFAOYSA-N 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- DQZNLOXENNXVAD-UHFFFAOYSA-N trimethoxy-[2-(7-oxabicyclo[4.1.0]heptan-4-yl)ethyl]silane Chemical compound C1C(CC[Si](OC)(OC)OC)CCC2OC21 DQZNLOXENNXVAD-UHFFFAOYSA-N 0.000 description 1
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 125000006839 xylylene group Chemical group 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
- H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
- H01L2224/161—Disposition
- H01L2224/16151—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/16221—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/16225—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L2224/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
- H01L2224/321—Disposition
- H01L2224/32151—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/32221—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/32225—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/73—Means for bonding being of different types provided for in two or more of groups H01L2224/10, H01L2224/18, H01L2224/26, H01L2224/34, H01L2224/42, H01L2224/50, H01L2224/63, H01L2224/71
- H01L2224/732—Location after the connecting process
- H01L2224/73201—Location after the connecting process on the same surface
- H01L2224/73203—Bump and layer connectors
- H01L2224/73204—Bump and layer connectors the bump connector being embedded into the layer connector
Landscapes
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Macromonomer-Based Addition Polymer (AREA)
- Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
- Polymerisation Methods In General (AREA)
Abstract
Description
式(1)中、R11はアリル基を表し、mは0又は1を表す。
式(1)中、R11はアリル基を表し、mは0又は1を表す。
式中、R1及びR2は、それぞれ独立にアルキレン基を表し、R3及びR4は、それぞれ独立にアルキル基を表す。
式中、Z1、Z2及びZ3は、それぞれ独立に上述した2価の炭化水素基を表し、R5は式(IV)中のR5と同義であり、nは1〜10の整数を表す。nが2以上である場合、複数のZ3は、互いに同一であっても異なっていてもよい。
ポンプ:L−6200型[株式会社日立ハイテクノロジーズ製]
検出器:L−3300型RI[株式会社日立ハイテクノロジーズ製]
カラムオーブン:L−655A−52[株式会社日立ハイテクノロジーズ製]
ガードカラム及びカラム:TSK Guardcolumn HHR−L+TSKgel G4000HHR+TSKgel G2000HHR[すべて東ソー株式会社製、商品名]
カラムサイズ:6.0×40mm(ガードカラム)、7.8×300mm(カラム)
溶離液:テトラヒドロフラン
試料濃度:30mg/5mL
注入量:20μL
測定温度:40℃
式(2)中、R11及びmは、それぞれ独立に、式(1)中のR11及びmとそれぞれ同義であり、R12は、2価の有機基を表す。
ここでのイオンクロマトグラフィーの条件は以下のとおりである。
・装置:ダイオネクス社製ICS−2000
・検出器:電気伝導度検出器
・カラム:AS20(4mmφ×200mm)
・カラム温度:30℃
・流速:1.0mL/分
・注入量:25μL
・グラジェント設定:KOH濃度を、0分に5mM、5分で5mM、15分で30mM、20分で55mMに設定した。
(A)成分:下記式で表されるマレイミド化合物(n=1〜10の混合物、重量平均分子量:15000〜20000程度、日立化成株式会社製、商品名:SFR2300)
(a)成分:アクリル系エラストマ(日立化成株式会社製、商品名:KH−CT−865)
(B)成分:下記式(3−1)で表されるナジイミド化合物(丸善石油化学株式会社製、商品名:BANI−X)
(C)成分:1,3−ビス[2−(4−アミノフェニル)−2−プロピル]ベンゼン(三井化学ファイン株式会社製、商品名:ビスアニリン−M(BA−M))
温度計、攪拌装置及び還流冷却管付き水分定量器の付いた、加熱及び冷却可能な容積500ミリリットルの反応容器に、(A)成分(60質量%):124.98g、(B)成分:18.75g、及びプロピレングリコールモノメチルエーテル(PGM):92.76gを入れ、窒素置換しながら100℃に昇温して均一に溶解した。次いで、80℃まで冷却してから、(C)成分:1.44gを加えて、120℃まで昇温して3時間反応させることにより、(D−1)成分(プレポリマ)を合成した。合成終了後、メシチレンを加えて60質量%の濃度の溶液を調製した。
各成分の配合量を(A)成分:90g、(B)成分:36g、PGM:102.84g、(C)成分:2.55gに変更した以外は、(D−1)成分の合成と同様にして(D−2)成分(プレポリマ)を合成した。
各成分の配合量を(A)成分:90g、(B)成分:54g、PGM:131.67g、(C)成分:3.78gに変更した以外は、(D−1)成分の合成と同様にして(D−3)成分(プレポリマ)を合成した。
各成分の配合量を(A)成分:60g、(B)成分:54g、PGM:116.61g、(C)成分:3.75gに変更した以外は、(D−1)成分の合成と同様にして(D−4)成分(プレポリマ)を合成した。
各成分の配合量を(A)成分:30g、(B)成分:72g、PGM:130.38g、(C)成分:4.92gに変更した以外は、(D−1)成分の合成と同様にして(D−5)成分(プレポリマ)を合成した。
(F):トリシクロデカンジメタノールジアクリレート(新中村化学工業株式会社製、商品名:A−DCP)
(G):メタクリロイル基を有するシランカップリング剤(信越化学工業株式会社製、商品名:KBM−503)
上記の各成分を表1〜3に示す配合比で混合し、ワニス(硬化性組成物)を作製した。SAPを用いて作製された櫛状配線上に、スピンコートにて上記のワニスを塗布し、続いて、乾燥、露光及びPEBを経て、評価用サンプルを作製した。
なお、スピンコート、乾燥、露光及び露光後ベークの条件は、それぞれ以下のとおりとした。
・スピンコート条件
Step.1:1000rpm/5秒
Step.2:2000rpm/30秒
SLOPE:5秒
・乾燥条件
90℃、3分間
・露光条件
露光量:1000mJ/cm2
ブロードバンド露光
・露光後ベーク(PEB)
100℃、1分間
湿度85%、130℃の条件下において、作製した櫛状配線に3.3Vの電圧を印加した状態で静置した。陽極と陰極との間の抵抗値を予定の時間ごとに測定し、当該抵抗値が、300時間以上1×106Ω以上であったもの「A」(絶縁信頼性(b−HAST耐性)あり)とし、そうでなかったものを「B」(絶縁信頼性(b−HAST耐性)なし)として評価した。
上記のワニスをピーラブル銅箔上に下記の条件でスピンコートした後、乾燥、露光及び露光後ベークを行って樹脂膜を形成した。なお、スピンコート、乾燥、露光及び露光後ベークの条件は、それぞれ上記の絶縁信頼性の評価用サンプルの条件と同じとした。これを複数回重ねることで、30〜100μm程度の厚みを有する樹脂膜を得た。その後、220℃で2時間硬化させた。続いて、銅箔を剥離し、銅箔を過硫酸アンモニウムにて溶解除去して評価用サンプルを得た。
誘電特性の評価用サンプルと同様にして作製した評価サンプルを、8mm×3cmの大きさに切り出した。このサンプルについて、DMA(動的粘弾性測定)装置(株式会社ユービーエム製、商品名:Rheogel−E4000)を用い、チャック間距離20mm、周波数10Hz、昇温速度10℃/分、温度範囲−30〜300℃の条件で引っ張り法にて測定した、tanδが最大値を示す温度をガラス転移温度(℃)として記録した。
ウェハ(6インチ径、厚さ400μm)にスピンコータを用いて上記のワニスを塗布し、90℃/3分乾燥させて樹脂層を形成した。1000mJ/cm2で露光して硬化させた後、220℃/2時間加熱することによって、試料を作製した。この試料を、相対湿度85%、130℃に設定された恒温恒湿槽(エスペック株式会社製、商品名:EHS−221MD)内にて、200時間静置した。そして、恒温恒湿槽内を50℃まで下げた後、試料を取り出し、シリコンウェハ上から樹脂の一部を削り取った。削り取られた樹脂の一部を示差熱熱重量同時測定装置(株式会社日立ハイテクサイエンス製、商品名:TG/DTA6300)を用いて、昇温速度:10℃/分、窒素フロー:400mL/分、温度範囲:25℃〜150℃の条件下で測定した。一方で、同様に作製した試料を、130℃で2時間乾燥させ、同様の方法でTG−DTAを測定した。これらの150℃における重量減少率の差を吸湿率として算出した。
ピーラブルコア上に上記のワニスをスピンコートし、乾燥させた。次に、露光する際、長さ30mm、幅5mmのマスクを介して露光した。得られた試料を現像した後、220℃で2時間硬化させた。以降は、誘電特性の評価用サンプルと同様に銅箔を除去して、評価用サンプルを得た。得られた評価用サンプルを、小型卓上試験機(株式会社島津製作所製、商品名:EZ−S)を用いて送り速度5mm/分にて測定したときの破断伸び及び破断強度を測定した。この方法で作製した評価用サンプルは、端部がなめらかであるため、カッター等の刃物を用いて切り出したサンプルと比較して、より高い伸び率が得られた。
シリコンウェハ(6インチ径、厚さ400μm)上に、スピンコートにてワニスを塗布し、90℃/3分加熱乾燥して、シリコンウェハ上に樹脂膜を形成した。その際、乾燥後の樹脂の膜厚は5μmとなるようにスピンコート条件を調整した。次に、Line/Space(L/S(μm/μm))が200/200、100/100、80/80、60/60、50/50、40/40、30/30、20/20、10/10、7/7、5/5、4/4、3/3で、ビア径が50、40、30、20、10、7、5、4、3μmとなるネガ型用パターンマスクを載せ、高精度平行露光機(株式会社オーク製作所製、商品名:EXM−1172−B−∞)を用いて1000mJ/cm2で露光した。さらに、100℃/1分の条件で追加加熱を行い、サンプルを得た。得られたサンプルをシクロペンタノンに室温(25℃)で60秒、揺動しながら浸漬、次いでシクロペンタノンでリンスしてからイソプロピルアルコールに室温(25℃)で5秒間浸漬した。その後、圧空を吹きかけるなどしてイソプロピルアルコールを揮発させた。
微細配線形成性は、樹脂膜のウェハ上から剥離、樹脂膜のひび割れ、パターン端部の荒れの有無、及び、樹脂を現像したパターン底部の残渣の有無を金属顕微鏡で確認した。これらの不具合が確認できなかった最小のL/S及びビア径を微細加工性とした。
シリコンウェハ(6インチ径、厚さ400μm)上に、スピンコートにて上記のワニスを塗布し、90℃/3分加熱乾燥して、シリコンウェハ上に樹脂膜を形成した。高精度平行露光機(株式会社オーク製作所製、商品名:EXM−1172−B−∞)を用いて1000mJ/cm2で露光した。さらに、100℃/1分の条件で追加加熱を行った後、220℃/2時間更に加熱してサンプルを得た。
得られたサンプルの樹脂膜上に、50nmのチタン膜をスパッタで製膜し、次いで、150nmの銅膜をスパッタで製膜した。冷却後、サンプルを取り出し、スパッタ膜における割れ又はシワの有無を顕微鏡にて観察した。スパッタ膜に割れ又はシワが観察されたかったものを「A」(スパッタ耐性あり)、割れ又はシワが観察されたものを「B」(スパッタ耐性なし)として評価した。
Claims (6)
- 半導体パッケージの配線層間絶縁層の形成に用いられる、請求項1〜4のいずれか一項に記載の硬化性組成物。
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WO2022239232A1 (ja) * | 2021-05-14 | 2022-11-17 | 昭和電工マテリアルズ株式会社 | 感光性樹脂組成物の選定方法、パターン硬化膜の製造方法、硬化膜、半導体装置、及び半導体装置の製造方法 |
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