JP7576545B2 - 封止用樹脂シート - Google Patents
封止用樹脂シート Download PDFInfo
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- JP7576545B2 JP7576545B2 JP2021532794A JP2021532794A JP7576545B2 JP 7576545 B2 JP7576545 B2 JP 7576545B2 JP 2021532794 A JP2021532794 A JP 2021532794A JP 2021532794 A JP2021532794 A JP 2021532794A JP 7576545 B2 JP7576545 B2 JP 7576545B2
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- 229910052618 mica group Inorganic materials 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
- HKUFIYBZNQSHQS-UHFFFAOYSA-N n-octadecyloctadecan-1-amine Chemical compound CCCCCCCCCCCCCCCCCCNCCCCCCCCCCCCCCCCCC HKUFIYBZNQSHQS-UHFFFAOYSA-N 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 229910052605 nesosilicate Inorganic materials 0.000 description 1
- 229910000273 nontronite Inorganic materials 0.000 description 1
- 239000010680 novolac-type phenolic resin Substances 0.000 description 1
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- IOQPZZOEVPZRBK-UHFFFAOYSA-O octylazanium Chemical compound CCCCCCCC[NH3+] IOQPZZOEVPZRBK-UHFFFAOYSA-O 0.000 description 1
- SWMBQMGPRYJSCI-UHFFFAOYSA-N octylphosphane Chemical compound CCCCCCCCP SWMBQMGPRYJSCI-UHFFFAOYSA-N 0.000 description 1
- 150000004010 onium ions Chemical class 0.000 description 1
- 150000002903 organophosphorus compounds Chemical class 0.000 description 1
- 150000004762 orthosilicates Chemical class 0.000 description 1
- RPQRDASANLAFCM-UHFFFAOYSA-N oxiran-2-ylmethyl prop-2-enoate Chemical compound C=CC(=O)OCC1CO1 RPQRDASANLAFCM-UHFFFAOYSA-N 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 239000013034 phenoxy resin Substances 0.000 description 1
- 229920006287 phenoxy resin Polymers 0.000 description 1
- 229910052615 phyllosilicate Inorganic materials 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- UIIIBRHUICCMAI-UHFFFAOYSA-N prop-2-ene-1-sulfonic acid Chemical compound OS(=O)(=O)CC=C UIIIBRHUICCMAI-UHFFFAOYSA-N 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 229910000275 saponite Inorganic materials 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910000276 sauconite Inorganic materials 0.000 description 1
- 239000004065 semiconductor Substances 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
- 229920002050 silicone resin Polymers 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910052606 sorosilicate Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920006132 styrene block copolymer Polymers 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 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
- 238000001029 thermal curing Methods 0.000 description 1
- 229920006259 thermoplastic polyimide Polymers 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 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
- XTAZYLNFDRKIHJ-UHFFFAOYSA-O trioctylazanium Chemical compound CCCCCCCC[NH+](CCCCCCCC)CCCCCCCC XTAZYLNFDRKIHJ-UHFFFAOYSA-O 0.000 description 1
- RMZAYIKUYWXQPB-UHFFFAOYSA-N trioctylphosphane Chemical compound CCCCCCCCP(CCCCCCCC)CCCCCCCC RMZAYIKUYWXQPB-UHFFFAOYSA-N 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
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- 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
- H01L21/50—Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the groups H01L21/18 - H01L21/326 or H10D48/04 - H10D48/07 e.g. sealing of a cap to a base of a container
- H01L21/56—Encapsulations, e.g. encapsulation layers, coatings
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- H01L23/00—Details of semiconductor or other solid state devices
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- 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
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Description
好ましくは、カルボキシル基含有モノマー、ヒドロキシル基含有モノマーが挙げられ、より好ましくは、カルボキシル基含有モノマーが挙げられる。
熱可塑性樹脂の質量αに対する層状ケイ酸塩化合物の質量Aの比(A/α)の下限は、0.3、好ましくは、0.5、より好ましくは、0.6、さらに好ましくは、0.7、とりわけ好ましくは、0.9である。
材料は、さらに、層状ケイ酸塩化合物以外の無機フィラー、顔料、シランカップリング剤、その他の添加剤を添加することができる。
端子29の厚みT0の上限は、例えば、100μm、好ましくは、50μmである。
バンプ23の厚みT1は、後述する第1隙間26の厚みT1に相当する。バンプ23の厚みT1は、基板22の厚み方向一方面25と、電子素子21の厚み方向他方面28とが平行である場合に、第2隙間36の厚みT2から、端子29の厚みT0を差し引いた値(T2-T0)に相当する。具体的には、バンプ23の厚みT1の下限は、例えば、5μm、好ましくは、15μmである。バンプ23の厚みT1の上限は、例えば、100μm、好ましくは、50μmである。
また、図3A~図3Dに示すように、封止用樹脂シート1と、第2封止用樹脂シート12とを厚み方向一方側に順に備える封止用多層樹脂シート11とによって、電子素子21を封止し、続いて、硬化体41を形成することができる。
以下の各変形例において、上記した一実施形態と同様の部材および工程については、同一の参照符号を付し、その詳細な説明を省略する。また、各変形例は、特記する以外、一実施形態と同様の作用効果を奏することができる。さらに、一実施形態およびその変形例を適宜組み合わせることができる。
また、以下の記載において用いられる配合割合(含有割合)、物性値、パラメータなどの具体的数値は、上記の「発明を実施するための形態」において記載されている、それらに対応する配合割合(含有割合)、物性値、パラメータなど該当記載の上限(「以下」、「未満」として定義されている数値)または下限(「以上」、「超過」として定義されている数値)に代替することができる。
主剤:新日鐵化学社製のYSLV-80XY(ビスフェノールF型エポキシ樹脂、高分子量エポキシ樹脂、エポキシ当量200g/eq.軟化点80℃)
硬化剤:群栄化学社製のLVR-8210DL(ノボラック型フェノール樹脂、潜在性硬化剤、水酸基当量:104g/eq.、軟化点:60℃)
硬化促進剤:四国化成工業社製の2PHZ-PW(2-フェニル-4,5-ジヒドロキシメチルイミダゾール)
アクリル樹脂1:根上工業社製のHME-2006M、カルボキシル基含有のアクリル酸エステルコポリマー(アクリル系ポリマー)、重量平均分子量:60万、ガラス転移温度(Tg):-30℃、固形分濃度20質量%のメチルエチルケトン溶液
アクリル樹脂2:ナガセケムテックス社製のテイサンレジンSG-70L、カルボキシ基およびヒドロキシ基含有のアクリル酸エステルコポリマー(アクリル系ポリマー)、重量平均分子量90万、ガラス転移温度(Tg):-10℃、固形分濃度12.5質量%のメチルエチルケトン溶液
シランカップリング剤:信越化学社製のKBM-403(3-グリシドキシプロピルトリメトキシシラン)
第1フィラー:FB-8SM(球状溶融シリカ粉末(無機フィラー)、平均粒子径7.0μm)
第2フィラー:アドマテックス社製のSC220G-SMJ(平均粒径0.5μm)を3-メタクリロキシプロピルトリメトキシシラン(信越化学社製の製品名:KBM-503)で表面処理した無機フィラー。無機フィラーの100質量部に対して1質量部のシランカップリング剤で表面処理した無機粒子。
表1~表3に記載の配合処方に従って、材料のワニスを調製した。ワニスを剥離シートの表面に塗布した後、120℃で、2分間乾燥させて、厚み65μmの封止用樹脂シート1を作製した。封止用樹脂シート1は、Bステージであった。
表4に記載の配合処方に従って、材料のワニスを調製した。ワニスを剥離シートの表面に塗布した後、120℃で、2分間乾燥させて、厚み195μmの第2封止用樹脂シート12を作製した。第2封止用樹脂シート12は、Bステージであった。
表5に示すような調製例の組合せで、封止用樹脂シートと第2封止用樹脂シートとを張り合わて、厚み260μmの封止用多層樹脂シートを作製した。
下記のステップA~ステップEを実施して、第1硬化体進入長さY1および第2高硬化体進入長さY2を測定した。
○:第1硬化体進入長さY1および第2硬化体進入長さY2が、いずれも、0μm以上、20μm以下であった。
×:第1硬化体進入長さY1および第2硬化体進入長さY2が、いずれも、30μm超過、または、0μm未満であった。
21 電子素子
Claims (8)
- 熱硬化性樹脂、層状ケイ酸塩化合物および熱可塑性樹脂を含有し、素子を封止するための封止用樹脂シートであり、
前記熱可塑性樹脂の質量αに対する前記層状ケイ酸塩化合物の質量Aの比(A/α)が、0.3以上、2.0以下であることを特徴とする、封止用樹脂シート。 - 前記層状ケイ酸塩化合物の含有割合Bが、3質量%以上、7質量%以下であることを特徴とする、請求項1に記載の封止用樹脂シート。
- 前記熱可塑性樹脂が、-30℃以上、-10℃以下のガラス転移温度Tgを有することを特徴とする、請求項1に記載の封止用樹脂シート。
- 前記熱可塑性樹脂が、-30℃以上、-10℃以下のガラス転移温度Tgを有することを特徴とする、請求項2に記載の封止用樹脂シート。
- 前記層状ケイ酸塩化合物は、表面が有機成分により変性されていることを特徴とする、
請求項1に記載の封止用樹脂シート。 - 前記層状ケイ酸塩化合物は、表面が有機成分により変性されていることを特徴とする、
請求項2に記載の封止用樹脂シート。 - 前記層状ケイ酸塩化合物は、表面が有機成分により変性されていることを特徴とする、
請求項3に記載の封止用樹脂シート。 - 前記層状ケイ酸塩化合物は、表面が有機成分により変性されていることを特徴とする、
請求項4に記載の封止用樹脂シート。
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