JP4343943B2 - 半導体装置製造用の耐熱性粘着テープ - Google Patents
半導体装置製造用の耐熱性粘着テープ Download PDFInfo
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- JP4343943B2 JP4343943B2 JP2006317581A JP2006317581A JP4343943B2 JP 4343943 B2 JP4343943 B2 JP 4343943B2 JP 2006317581 A JP2006317581 A JP 2006317581A JP 2006317581 A JP2006317581 A JP 2006317581A JP 4343943 B2 JP4343943 B2 JP 4343943B2
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Description
(1)アウターパッド側に耐熱性粘着テープを貼り合わせた金属製のリードフレームのダイパッド上に半導体チップをボンディングする搭載工程と、封止樹脂により半導体チップ側を片面封止する封止工程と、封止された構造物を個別の半導体装置に切断する切断工程とを、少なくとも含む半導体装置の製造方法に用いる耐熱性粘着テープであって、前記耐熱性粘着テープが、基材層と、親水性層状珪酸塩と粘着剤を含む粘着層とを含み、該親水性層状珪酸塩の含有量が粘着剤100重量部に対して10重量部以上40重量部以下であり、前記粘着層が乳化剤の存在下で乳化重合して得られた共重合体エマルションを含有する水分散型アクリル系粘着剤を含むことを特徴とする半導体装置製造用の耐熱性粘着テープ、及び、
(2)金属製のリードフレームのダイパッド上に半導体チップをボンディングする搭載工程と、封止樹脂により半導体チップ側を片面封止する封止工程と、封止された構造物を個別の半導体装置に切断する切断工程とを、少なくとも含む半導体装置の製造方法において、基材層と、親水性層状珪酸塩と粘着剤を含む粘着層とを含み、該親水性層状珪酸塩の含有量が粘着剤100重量部に対して10重量部以上40重量部以下であり、前記粘着層が乳化剤の存在下で乳化重合して得られた共重合体エマルションを含有する水分散型アクリル系粘着剤を含む耐熱性粘着テープを前記リードフレームのアウターパッド側に貼り合わせることを特徴とする、半導体装置の製造方法に関する。
25μm厚のポリイミドフィルム(東レデュポン製:カプトン100H)を基材層として用いた。親水性層状珪酸塩として合成スメクタイト(コープケミカル(株)製、ルーセンタイト SPN 平均粒径 50nm)を20重量部含有したアクリル酸n−ブチル100重量部に対して、アクリル酸2重量部を単量体、ポリオキシエチレンラウリル硫酸ナトリウム2重量部を乳化剤とする共重合体エマルションを含有する、水分散型アクリル系粘着剤を用いて、さらにこの親水性層状珪酸塩と共重合体エマルションを含有する水分散型アクリル系粘着剤100重量部に対して、エポキシ系架橋剤(三菱ガス化学製、Tetad−C)を0.5重量部添加した粘着剤を調製した。この親水性層状珪酸塩と共重合体エマルションを含有する水分散型アクリル系粘着剤を用いて、厚さ10μmの粘着層を設けた耐熱性粘着テープを作製した。この親水性層状珪酸塩と共重合体エマルションを含有する水分散型アクリル系粘着剤は、レオメトリック・サイエンティフィック社製のARESを用いて、周波数1Hz、昇温速度5℃/分、サンプルサイズφ7.9mmのパラレルプレートによるせん断貯蔵弾性モードにて測定したところ、200℃におけるせん断貯蔵弾性率が1.0×106 Paであった。この耐熱性粘着テープの175℃雰囲気下の粘着力は0.32N/19幅mmであった。この耐熱性粘着テープは、ステンレス板に貼り合わせた状態で200℃にて1時間加熱後、JIS Z 0237に準じて測定された23℃での粘着力が2.5N/19mm幅であった。
耐熱性粘着テープを貼着していないリードフレーム単体に半導体チップをボンディングし、金型に挟み実施例1と同様の条件で封止樹脂を行ったところ、樹脂漏れが発生した。
実施例1において、共重合体エマルションを含有する水分散型アクリル系粘着剤の調製にあたって、親水性層状珪酸塩を添加しなかったこと以外は実施例1と同じ組成の共重合体エマルションを含有する水分散型アクリル系粘着剤を調製した。また当該共重合体エマルションを含有する水分散型アクリル系粘着剤を用いて、実施例1と同様にして耐熱性粘着テープを作製し、また実施例1と同様にしてQFNを製造した。このようにして得られたQFNは、封止樹脂の工程前に樹脂漏れが発生していた。なお、実施例1と同様にして測定された、共重合体エマルションを含有する水分散型アクリル系粘着剤のせん断貯蔵弾性率は8.0×105Pa、この粘着テープの175℃雰囲気下の粘着力は0.05N/19mm幅、この粘着テープの200℃にて1時間加熱後に、23℃での粘着力は3.0N/19mm幅であった。
11 パッケージパターン領域
11a 開口
11b 端子部
11c ダイパッド
11d ダイバー
12 キャビティ
13 ガイドピン用孔
15 半導体チップ
15a 電極パッド
16 ボンディングワイヤ
17 封止樹脂
17a 切断部
18 金型
18a 上金型
18b 下金型
19 導電性ペースト
20 耐熱性粘着テープ
20a 基材層
20b 粘着層
21 封止された構造物
21a 半導体装置
Claims (6)
- アウターパッド側に耐熱性粘着テープを貼り合わせた金属製のリードフレームのダイパッド上に半導体チップをボンディングする搭載工程と、封止樹脂により半導体チップ側を片面封止する封止工程と、封止された構造物を個別の半導体装置に切断する切断工程とを、少なくとも含む半導体装置の製造方法に用いる耐熱性粘着テープであって、前記耐熱性粘着テープが、基材層と、親水性層状珪酸塩と粘着剤を含む粘着層とを含み、該親水性層状珪酸塩の含有量が粘着剤100重量部に対して10重量部以上40重量部以下であり、前記粘着層が乳化剤の存在下で乳化重合して得られた共重合体エマルションを含有する水分散型アクリル系粘着剤を含むことを特徴とする半導体装置製造用の耐熱性粘着テープ。
- 前記粘着層の面をステンレス板に貼付し、175℃雰囲気下での粘着力が0.2N/19mm幅以上である請求項1記載の耐熱性粘着テープ。
- 前記粘着層の面をステンレス板に貼付し、200℃にて1時間加熱した場合の23℃での粘着力が5.0N/19mm幅以下である請求項1又は2記載の耐熱性粘着テープ。
- 金属製のリードフレームのダイパッド上に半導体チップをボンディングする搭載工程と、封止樹脂により半導体チップ側を片面封止する封止工程と、封止された構造物を個別の半導体装置に切断する切断工程とを、少なくとも含む半導体装置の製造方法において、基材層と、親水性層状珪酸塩と粘着剤を含む粘着層とを含み、該親水性層状珪酸塩の含有量が粘着剤100重量部に対して10重量部以上40重量部以下であり、前記粘着層が乳化剤の存在下で乳化重合して得られた共重合体エマルションを含有する水分散型アクリル系粘着剤を含む耐熱性粘着テープを前記リードフレームのアウターパッド側に貼り合わせることを特徴とする、半導体装置の製造方法。
- 前記粘着層の面をステンレス板に貼付し、175℃雰囲気下での粘着力が0.2N/19mm幅以上である請求項4記載の製造方法。
- 前記粘着層の面をステンレス板に貼付し、200℃にて1時間加熱した場合の23℃での粘着力が5.0N/19mm幅以下である請求項4又は5記載の製造方法。
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KR1020070100992A KR20080047262A (ko) | 2006-11-24 | 2007-10-08 | 반도체 장치 제조용의 내열성 점착 테이프 |
TW096141486A TW200831633A (en) | 2006-11-24 | 2007-11-02 | Heat-resistant adhesive tape for manufacturing semiconductor device |
EP07022117A EP1926137A3 (en) | 2006-11-24 | 2007-11-14 | Heat-resistant adhesive tape for manufacturing semiconductor device |
CN2007101940118A CN101186792B (zh) | 2006-11-24 | 2007-11-26 | 半导体装置制造用耐热性胶粘带 |
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JP2002167557A (ja) * | 2000-12-01 | 2002-06-11 | Sekisui Chem Co Ltd | 粘着剤用組成物、粘着剤及び粘着シート |
US6908784B1 (en) * | 2002-03-06 | 2005-06-21 | Micron Technology, Inc. | Method for fabricating encapsulated semiconductor components |
JP3849978B2 (ja) * | 2002-06-10 | 2006-11-22 | 日東電工株式会社 | 半導体装置の製造方法及びこれに用いる耐熱性粘着テープ |
US6791168B1 (en) * | 2002-07-10 | 2004-09-14 | Micron Technology, Inc. | Semiconductor package with circuit side polymer layer and wafer level fabrication method |
JP2004095844A (ja) * | 2002-08-30 | 2004-03-25 | Lintec Corp | ウエハダイシング・接着用シートおよび半導体装置の製造方法 |
JP2004186262A (ja) * | 2002-11-29 | 2004-07-02 | Sekisui Chem Co Ltd | 半導体パッケージの製造方法 |
JP3934041B2 (ja) * | 2002-12-02 | 2007-06-20 | 日東電工株式会社 | 半導体装置の製造方法及びこれに用いる耐熱性粘着テープ |
JP4770126B2 (ja) * | 2003-06-06 | 2011-09-14 | 日立化成工業株式会社 | 接着シート |
KR101177251B1 (ko) * | 2003-06-06 | 2012-08-24 | 히다치 가세고교 가부시끼가이샤 | 접착시트, 다이싱 테이프 일체형 접착시트 및 반도체 장치의 제조방법 |
JP4412597B2 (ja) * | 2004-06-24 | 2010-02-10 | 日東電工株式会社 | 半導体装置の製造方法、それに用いる耐熱性粘着テープ及び耐熱性粘着剤組成物 |
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- 2007-10-08 KR KR1020070100992A patent/KR20080047262A/ko not_active Application Discontinuation
- 2007-11-02 TW TW096141486A patent/TW200831633A/zh unknown
- 2007-11-14 EP EP07022117A patent/EP1926137A3/en not_active Withdrawn
- 2007-11-26 CN CN2007101940118A patent/CN101186792B/zh not_active Expired - Fee Related
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EP1926137A2 (en) | 2008-05-28 |
EP1926137A3 (en) | 2009-07-29 |
KR20080047262A (ko) | 2008-05-28 |
JP2008131006A (ja) | 2008-06-05 |
CN101186792A (zh) | 2008-05-28 |
TW200831633A (en) | 2008-08-01 |
CN101186792B (zh) | 2012-07-04 |
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