JP4994743B2 - フィルム状接着剤及びそれを使用する半導体パッケージの製造方法 - Google Patents
フィルム状接着剤及びそれを使用する半導体パッケージの製造方法 Download PDFInfo
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—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
- H01L24/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L24/27—Manufacturing methods
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L24/83—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a layer connector
-
- 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
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
-
- 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
- H01L2224/73251—Location after the connecting process on different surfaces
- H01L2224/73265—Layer and wire connectors
-
- 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
- H01L2224/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L2224/83—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a layer connector
- H01L2224/8319—Arrangement of the layer connectors prior to mounting
- H01L2224/83191—Arrangement of the layer connectors prior to mounting wherein the layer connectors are disposed only on the semiconductor or solid-state body
-
- 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
- H01L2224/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L2224/83—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a layer connector
- H01L2224/8319—Arrangement of the layer connectors prior to mounting
- H01L2224/83192—Arrangement of the layer connectors prior to mounting wherein the layer connectors are disposed only on another item or body to be connected to the semiconductor or solid-state body
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/102—Material of the semiconductor or solid state bodies
- H01L2924/1025—Semiconducting materials
- H01L2924/10251—Elemental semiconductors, i.e. Group IV
- H01L2924/10253—Silicon [Si]
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Die Bonding (AREA)
- Dicing (AREA)
Description
XD-1000(ジシクロペンタジエン型エポキシ樹脂、軟化点 約70℃、日本化薬社製)60g、YP-50S(フェノキシ樹脂、Tg約100℃、東都化成社製)20g、エピコート828(ビスフェノールA型エポキシ樹脂、東都化成社製) 44gを秤量し、70gのMIBKを溶剤として500mlのセパラブルフラスコ中、110℃で2時間加熱攪拌して樹脂ワニスを得た。この溶液187gを800mlのプラネタリーミキサーに秤量し、FB-3SDX(球状シリカ、平均粒径 3μm 、粒子径の比=2.4、デンカ社製) 72gを加えて混合したものを3本ロールで混練した。この混合物に、AH-150(ジシアンジアミド、味の素社製) 6g、HX-3722 (マイクロカプセル型イミダゾール系潜在性硬化剤、旭化成エポキシ社製) 2gを加えてプラネタリーミキサーで攪拌混合後、真空脱泡して混合ワニスを得た。上記ワニスを厚さ50μmの離型処理されたPETフィルム上に塗布後、80℃/10min、150℃/1minで熱風乾燥させ、30μmの接着シート、すなわちフィルム状接着剤を得た。
ジシクロペンタジエン型エポキシ樹脂として、HP-7200H(ジシクロペンタジエン型エポキシ樹脂、軟化点約80℃、大日本インキ化学工業製)60g を使用した他は、実施例1と同様にして接着シートを製造し、評価した。
球状シリカとして、FB-3SDXを134g 使用した他は、実施例1と同様にして接着シートを製造し、評価した。
球状シリカとして、FB-3SDXを314g使用した他は、実施例1と同様にして接着シートを製造し、評価した。
球状シリカとして、FB-3SDXを58g、SO-25R(龍森社製、微粒子球状シリカ、平均粒径0.5μm、粒子径の比=4.3)を14g使用した他は、実施例1と同様にして接着シートを製造し、評価した。
エポキシ樹脂として、YDCN-702H(クレゾールノボラック型エポキシ樹脂、軟化点約75℃、東都化成社製) を60g 使用した他は、実施例1と同様にして接着シートを製造し、評価した。
エポキシ樹脂として、EPPN-501H(トリフェニルメタン型エポキシ樹脂、軟化点約55℃、日本化薬社製)を60g使用した他は、実施例1と同様にして接着シートを製造し、評価した。
球状シリカを配合しない他は、実施例1と同様にして接着シートを製造し、評価した。
実施例1〜4、比較例1〜4の組成及び評価結果をまとめて表1に示す。
XD-1000(ジシクロペンタジエン型エポキシ樹脂)60g、YP-50S(フェノキシ樹脂)20g、エピコート828(ビスフェノールA型エポキシ樹脂) 44gを秤量し、70gのMIBKを溶剤として500mlのセパラブルフラスコ中、110℃で2時間加熱攪拌して樹脂ワニスを得た。この溶液187gを800mlのプラネタリーミキサーに秤量し、FB-3SDX(球状シリカ) 72gを加えて混合したものを真空脱泡して混合ワニスを得た。上記ワニスを厚さ50μmの離型処理されたPETフィルム上に塗布後、80℃/10min、150℃/1minで熱風乾燥させ、30μmの接着シート、すなわちフィルム状接着剤を得た。このフィルムの硬化前の溶融粘度を測定した(図1参照)。なお、本実施例においては未硬化状態における溶融粘度を測定するため、エポキシ樹脂硬化剤は配合していない。
球状シリカとして、FB-3SDXを36g、SO-25Rを36g使用した他は、実施例5と同様にして接着シートを製造し、このフィルムの溶融粘度を測定した(図1参照)。
球状シリカとして、SO-25Rを72g使用した他は、実施例5と同様にして接着シートを製造し、このフィルムの硬化前の溶融粘度を測定した(図1参照)。
混合配合系の粒子径の比=(フィラーAの配合割合×フィラーAの[体積平均粒子径]/[個数平均粒子径])+(フィラーBの配合割合×フィラーBの[体積平均粒子径]/[個数平均粒子径])
Claims (5)
- (A)ジシクロペンタジエン骨格含有エポキシ樹脂、(B)平均粒径3〜20μmであり、体積平均粒子径/個数平均粒子径の比が3以下である球状シリカ、(C)フェノキシ樹脂、及び(D)エポキシ樹脂硬化剤を必須成分とし、(B)球状シリカ含有量が30〜80重量%であるフィルム状接着剤。
- 厚さが10〜150μmのフィルム状である請求項1又は2に記載のフィルム状接着剤。
- 多数の半導体素子が形成されたウェハ裏面に請求項1〜3のいずれかに記載のフィルム状接着剤層を設ける工程、ダイシングテープをフィルム状接着剤層側に貼り合せる工程、フィルム状接着剤層とウェハを同時にダイシングして、フィルム状接着剤付き半導体素子とする工程、フィルム状接着剤付き半導体素子をダイシングテープから剥がし、被着体のインターポーザー基板とダイアタッチする工程を含む半導体パッケージの製造方法。
- 請求項4に記載の半導体パッケージの製造方法により製造された半導体パッケージ。
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