JP2017112241A - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP2017112241A JP2017112241A JP2015245884A JP2015245884A JP2017112241A JP 2017112241 A JP2017112241 A JP 2017112241A JP 2015245884 A JP2015245884 A JP 2015245884A JP 2015245884 A JP2015245884 A JP 2015245884A JP 2017112241 A JP2017112241 A JP 2017112241A
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Abstract
【解決手段】配線基板WBに搭載された半導体チップCHP1およびパッケージ構造体PKG1と、半導体チップCHP1を覆い、かつ、配線基板WBの表面に固定され、かつ、平面視において、パッケージ構造体PKG1とは重ならないリッドLD1とを備える。このとき、リッドLD1は、平面視において、半導体チップCHP1と重なる上面部SUと、配線基板WBの表面に固定されるフランジ部FLGと、上面部SUとフランジ部FLGとを接続する傾斜部SLPとを有する。そして、配線基板WBの表面から上面部SUの上面までの距離は、配線基板WBの表面からフランジ部FLGの上面までの距離よりも大きい。
【選択図】図3
Description
<改善の検討>
まず、関連技術に存在する本発明者が新たに見出した改善の余地について図面を参照しながら説明する。ここで、本明細書でいう「関連技術」は、新規に発明者が見出した課題を有する技術であって、公知である従来技術ではないが、新規な技術的思想の前提技術(未公知技術)を意図して記載された技術である。
図3は、本実施の形態における半導体装置の構成を示す図である。特に、図3(a)は、本実施の形態における半導体装置の構成を示す平面図であり、図3(b)は、図3(a)のA−A線で切断した断面図である。
次に、本実施の形態における特徴点について説明する。本実施の形態1における第1特徴点は、例えば、図3(a)および図3(b)に示すように、配線基板WB上に半導体チップCHP1とパッケージ構造体PKG1とが搭載されていることを前提として、半導体チップCHP1を覆い、かつ、配線基板WBの表面に固定され、かつ、平面視において、パッケージ構造体PKG1とは重ならないリッドLD1が設けられている点にある。
次に、本発明者は、さらなる改善の検討を行なったので、この点について説明する。具体的には、図3(b)に示すように、リッドLD1を配線基板WBに接着材ADH1によって接着しているが、この場合、本発明者の検討によると、接着領域に工夫を施す必要があることを新たに見出したので、この点について図面を参照しながら説明する。
接着材ADH1の応力集中に起因する第1配線層の配線WL1の断線不良を防止するための基本思想は、リッドLD1と配線基板WBとを接着する接着材ADH1の塗布領域を限定するという思想である。すなわち、この基本思想は、第1配線層を構成する配線WL1と平面的に重なる位置に接着材ADH1の塗布領域(接着領域)を形成しないという思想である。言い換えれば、上述した基本思想は、第1配線層を構成する配線WL1と平面的に重なる位置を回避して、接着材ADH1の塗布領域を設けるという思想である。以下に、この基本思想について具体的に図面を参照しながら説明する。
本実施の形態における半導体装置は、上記のように構成されており、以下に、その製造方法について図面を参照しながら説明する。
図23は、本変形例1における半導体装置SA2の平面構成を示す平面図である。図23において、本変形例1における半導体装置SA2では、パッケージ構造体PKG1と配線基板WBとの間の隙間にアンダーフィルが形成されていない。このように、アンダーフィルの形成を省略することも可能であり、この場合、半導体装置SA2の製造コストを削減できる効果を得ることができる。
図24は、本変形例2における半導体装置SA3の平面構成を示す平面図である。図24において、本変形例2における半導体装置SA3では、リッドLD2に凹部が形成されており、この凹部に挿入されるようにパッケージ構造体PKG1を配置することもできる。
図25は、本変形例3における半導体装置SA4の平面構成を示す平面図である。図25において、本変形例3における半導体装置SA4では、リッドLD3の平面形状が長方形形状となっており、リッドLD3は、幅の異なるフランジ部FLG1とフランジ部FLG2とを有している。特に、パッケージ構造体PKG1と隣接するフランジ部FLG2の幅は、フランジ部FLG1の幅よりも小さくなっている。これは、フランジ部FLG2の下層には、配線基板WBの表面に最も近い最上層に形成されている第1配線層に含まれる配線であって、パッケージ構造体PKG1とリッドLD3で覆われている半導体チップとを接続する配線が形成されており、フランジ部FLG2と平面的に重なる領域には、接着材が形成されていないからである。つまり、リッドLD3のフランジ部FLG2は、接着材と接着しない非接着部位であり、リッドLD3の接着強度の向上には寄与しない部位であるため、本変形例3では、フランジ部FLG2の幅をその他の接着部位であるフランジ部FLG1の幅よりも小さくしている。これにより、本変形例3によれば、半導体装置SA4の小型化を図ることができる。
図26は、本変形例4における半導体装置SA5の平面構成を示す平面図である。図26において、本変形例4における半導体装置SA5では、リッドLD4の平面形状が長方形形状となっている。ここで、例えば、パッケージ構造体PKG1とリッドLD3で覆われている半導体チップとを接続する配線を、配線基板WBの表面に最も近い最上層に形成されている第1配線層よりも深い配線層の配線から構成することができる。この場合、本変形例4によれば、リッドLD4のフランジ部FLG全体を接着部位とすることができる。このため、本変形例4によれば、フランジ部FLGのパッケージ構造体PKGと隣接する部位の幅を、フランジ部FLGのその他の部位の幅と同等にすることによって、リッドLD4の接続強度を向上することができる。
CHP2 半導体チップ
FLG フランジ部
LD1 リッド
PKG1 パッケージ構造体
SLP 傾斜部
SU 上面部
WB 配線基板
Claims (20)
- 表面を有する基板と、
前記基板の前記表面の第1領域に搭載された第1半導体チップと、
前記基板の前記表面の第2領域に搭載されたパッケージ構造体と、
前記第1半導体チップを覆い、かつ、前記基板の前記表面に固定され、かつ、平面視において、前記パッケージ構造体とは重ならない金属部材と、
を備え、
前記金属部材は、
平面視において、前記第1半導体チップと重なる第1部分と、
前記基板の前記表面に固定される第2部分と、
前記第1部分と前記第2部分とを接続する接続部分と、
を有し、
前記基板の前記表面から前記第1部分の上面までの距離は、前記基板の前記表面から前記第2部分の上面までの距離よりも大きい、半導体装置。 - 請求項1に記載の半導体装置において、
前記第2部分は、前記基板の前記表面との間に第1接着材が介在する接着部位と、前記基板の前記表面との間に前記第1接着材が介在しない非接着部位とを有する、半導体装置。 - 請求項2に記載の半導体装置において、
前記基板には、
前記表面に最も近い深さに形成されている第1配線と、
前記第1配線の下層に形成されている第2配線と、
が形成されている、半導体装置。 - 請求項3に記載の半導体装置において、
前記第1配線と平面的に重なる前記第2部分の部位は、前記非接着部位である、半導体装置。 - 請求項3に記載の半導体装置において、
前記第1配線と平面的に重ならない前記第2部分の部位は、前記接着部位を含む、半導体装置。 - 請求項5に記載の半導体装置において、
前記第2配線と平面的に重なる前記第2部分の部位は、前記接着部位を含む、半導体装置。 - 請求項5に記載の半導体装置において、
前記基板には、前記第1配線と同層で形成され、かつ、前記第1配線の配線幅よりも幅の大きな幅広パターンが形成され、
前記幅広パターンと平面的に重なる前記第2部分の部位は、前記接着部位を含む、半導体装置。 - 請求項2に記載の半導体装置において、
前記第1半導体チップと前記金属部材との間に第2接着材が介在する、半導体装置。 - 請求項8に記載の半導体装置において、
前記第1接着材と前記第2接着材とは、異なる材料から構成される、半導体装置。 - 請求項9に記載の半導体装置において、
前記第1接着材は、酸化シリコンを含有するフィラーを含む樹脂から構成され、
前記第2接着材は、金属を含有するフィラーを含む樹脂から構成される、半導体装置。 - 請求項1に記載の半導体装置において、
前記金属部材の上面の高さは、前記パッケージ構造体の上面の高さよりも高い、半導体装置。 - 請求項1に記載の半導体装置において、
前記パッケージ構造体の厚さは、前記第1半導体チップの厚さよりも厚い、半導体装置。 - 請求項1に記載の半導体装置において、
前記金属部材の平面積は、前記パッケージ構造体の平面積よりも大きい、半導体装置。 - 請求項1に記載の半導体装置において、
前記第1半導体チップは、複数のバンプ電極を介して、前記基板の前記表面の前記第1領域に搭載され、
前記パッケージ構造体は、複数のボール端子を介して、前記基板の前記表面の前記第2領域に搭載されている、半導体装置。 - 請求項14に記載の半導体装置において、
前記第1半導体チップと前記基板の前記表面との間には、第1アンダーフィルが介在し、
前記パッケージ構造体と前記基板の前記表面との間には、第2アンダーフィルが介在し、
前記第1アンダーフィルと前記第2アンダーフィルとは、同一の材料から構成されている、半導体装置。 - 請求項14に記載の半導体装置において、
前記第1半導体チップと前記基板の前記表面との間には、第1アンダーフィルが介在し、
前記パッケージ構造体と前記基板の前記表面との間には、第2アンダーフィルが介在し、
前記第1アンダーフィルと前記第2アンダーフィルとは、異なる材料から構成されている、半導体装置。 - 請求項1に記載の半導体装置において、
前記パッケージ構造体の内部には、第2半導体チップが存在し、
前記第1半導体チップには、中央演算処理回路が形成され、
前記第2半導体チップには、不揮発性記憶回路が形成されている、半導体装置。 - 請求項1に記載の半導体装置において、
前記パッケージ構造体の内部には、第2半導体チップが存在し、
前記第1半導体チップには、第1発振器が形成され、
前記第2半導体チップには、第2発振器が形成され、
前記第2発振器の発振精度は、前記第1発振器の発振精度よりも高い、半導体装置。 - 請求項2に記載の半導体装置において、
前記基板には、
前記表面に最も近い深さに形成されている第1配線と、
前記第1配線の下層に形成されている第2配線と、
が形成され、
前記第1半導体チップと前記パッケージ構造体とは、前記第1配線を介して、電気的に接続され、
前記非接着部位は、前記第1配線と平面的に重なる部位である、半導体装置。 - 表面を有する基板と、
前記基板の前記表面の第1領域に搭載された第1半導体部品と、
前記基板の前記表面の第2領域に搭載された第2半導体部品と、
前記第1半導体部品を覆い、かつ、前記基板の前記表面に固定され、かつ、平面視において、前記第2半導体部品とは重ならない放熱部材と、
を備え、
前記放熱部材は、
平面視において、前記第1半導体部品と重なる第1部分と、
前記基板の前記表面に固定される第2部分と、
前記第1部分と前記第2部分とを接続する接続部分と、
を有し、
前記基板の前記表面から前記第1部分の上面までの距離は、前記基板の前記表面から前記第2部分の上面までの距離よりも大きい、半導体装置。
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US12087733B2 (en) | 2021-05-13 | 2024-09-10 | Taiwan Semiconductor Manufacturing Co., Ltd. | Packages with multiple types of underfill and method forming the same |
KR102824920B1 (ko) * | 2021-05-13 | 2025-06-24 | 타이완 세미콘덕터 매뉴팩쳐링 컴퍼니 리미티드 | 다수의 타입의 언더필을 갖는 패키지들 및 그 형성 방법 |
JP7570305B2 (ja) | 2021-08-31 | 2024-10-21 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
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US20170178985A1 (en) | 2017-06-22 |
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