JP2018110169A - 半導体装置および半導体装置製造方法 - Google Patents
半導体装置および半導体装置製造方法 Download PDFInfo
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- JP2018110169A JP2018110169A JP2016257135A JP2016257135A JP2018110169A JP 2018110169 A JP2018110169 A JP 2018110169A JP 2016257135 A JP2016257135 A JP 2016257135A JP 2016257135 A JP2016257135 A JP 2016257135A JP 2018110169 A JP2018110169 A JP 2018110169A
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- 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
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- H01L2224/83399—Material
- H01L2224/834—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof
- H01L2224/83438—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof the principal constituent melting at a temperature of greater than or equal to 950°C and less than 1550°C
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- H01L23/31—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape
- H01L23/3107—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed
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- H01L23/495—Lead-frames or other flat leads
- H01L23/49503—Lead-frames or other flat leads characterised by the die pad
- H01L23/49513—Lead-frames or other flat leads characterised by the die pad having bonding material between chip and die pad
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- H01L24/42—Wire connectors; Manufacturing methods related thereto
- H01L24/44—Structure, shape, material or disposition of the wire connectors prior to the connecting process
- H01L24/45—Structure, shape, material or disposition of the wire connectors prior to the connecting process of an individual wire connector
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- H01L24/42—Wire connectors; Manufacturing methods related thereto
- H01L24/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L24/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
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Abstract
Description
特許文献1 特開2008−103685号公報
特許文献2 特表2005−532672号公報
特許文献3 特開2011−3764号公報
結線された状態での第1ワイヤグループ131の各ボンディングワイヤ1310の形状は、封止部140により封止された後の形状、つまり図1、図2で説明したボンディングワイヤ1310の形状とは異なっていてよい。例えば、ボンディングワイヤ1310は、1または複数の箇所で屈曲されてよく、全体として、半導体チップ101から離れる側に凸状をなしてよい。また、複数のボンディングワイヤ1310が第1方向Yの手前側から奥側に向かうにつれて長くなる限りにおいて、結線された状態での複数のボンディングワイヤ1310では、第1方向Yから見た手前側のボンディングワイヤ1310の各箇所における高さが奥側のボンディングワイヤ1310の対応箇所における高さを超えない形状でなくてもよい。
Claims (13)
- 半導体チップと、
第1の電極ペアと、
前記第1の電極ペアの電極間を電気的に並列に接続する複数のボンディングワイヤを有する第1ワイヤグループと、
前記半導体チップ、前記第1の電極ペア、および前記第1ワイヤグループをモールド封止する封止部と
を備え、
前記第1ワイヤグループの複数のボンディングワイヤは、前記半導体チップ面の面内方向と平行な第1方向の手前側から奥側に向かうにつれて長くなり、かつ前記第1方向から見た手前側のボンディングワイヤの各箇所における高さが奥側のボンディングワイヤの対応箇所における高さを超えない形状で結線される
半導体装置。 - 前記第1の電極ペアの一方の電極を含む第1導体を備え、
前記第1の電極ペアの他方の電極は前記半導体チップに設けられる
請求項1に記載の半導体装置。 - 前記第1ワイヤグループの複数のボンディングワイヤは、前記第1方向の手前側から奥側に向かうにつれて前記半導体チップ面に対して階段状に高くなる形状で結線される請求項1または2に記載の半導体装置。
- 前記第1ワイヤグループの複数のボンディングワイヤにおける、隣接するボンディングワイヤ同士のループ高さの差は、ボンディングワイヤの直径の1/2以上である請求項1から3のいずれか一項に記載の半導体装置。
- 前記第1ワイヤグループの複数のボンディングワイヤのうちの少なくとも1つのボンディングワイヤは、前記第1方向の奥側に向かって傾いている請求項1から4のいずれか一項に記載の半導体装置。
- 前記第1の電極ペアの一方の電極および前記封止部の外部へと露出される外部端子を一体として含むリードフレームを更に備える請求項1から5のいずれか一項に記載の半導体装置。
- 前記第1の電極ペアの他方の電極は、前記半導体チップの電源電極またはグランド電極である請求項6に記載の半導体装置。
- 前記封止部は、前記第1方向の手前側の端部にモールド材の注入跡を有する請求項1から7のいずれか一項に記載の半導体装置。
- 前記第1の電極ペアの電極同士の間は、前記第1ワイヤグループの複数のボンディングワイヤのみによってワイヤボンディングされる請求項1から8のいずれか一項に記載の半導体装置。
- 第2の電極ペアと、
前記第2の電極ペアの電極間を電気的に並列に接続する複数のボンディングワイヤを有する第2ワイヤグループと
を備え、
前記第2ワイヤグループの複数のボンディングワイヤは、前記第1方向の手前側から奥側に向かうにつれて長くなり、かつ前記第1方向から見た手前側のボンディングワイヤの各箇所における高さが奥側のボンディングワイヤの対応箇所における高さを超えない形状で結線される
請求項1から9のいずれか一項に記載の半導体装置。 - 第1の電極ペアの電極同士の相対位置を固定する固定段階と、
前記第1の電極ペアの電極間を、複数のボンディングワイヤを含む第1ワイヤグループによって電気的に並列に接続する接続段階と、
半導体チップ、前記第1の電極ペア、および前記第1ワイヤグループを収容するモールド型に第1方向からモールド材を注入して封止する封止段階と
を備え、
前記第1ワイヤグループの複数のボンディングワイヤは、前記第1方向の手前側から奥側に向かうにつれて長くなり、かつ前記第1方向から見た手前側のボンディングワイヤの各箇所における高さが奥側のボンディングワイヤの対応箇所における高さを超えない形状で結線される
半導体装置製造方法。 - 前記第1ワイヤグループの複数のボンディングワイヤにおける互いに隣接するボンディングワイヤ同士は、前記第1方向の手前側のボンディングワイヤが前記第1方向の奥側に隣接するボンディングワイヤの下に倒れ込むことを可能とする形状を有する請求項11に記載の半導体装置製造方法。
- 前記封止段階においてモールド封止された封止部におけるモールド材の注入箇所を切断する切断段階を更に備える請求項11または12に記載の半導体装置製造方法。
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CN201711210676.3A CN108257939A (zh) | 2016-12-28 | 2017-11-28 | 半导体装置及半导体装置制造方法 |
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