JP2009513026A - 半導体構造及び組み立て方法 - Google Patents
半導体構造及び組み立て方法 Download PDFInfo
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- JP2009513026A JP2009513026A JP2008537739A JP2008537739A JP2009513026A JP 2009513026 A JP2009513026 A JP 2009513026A JP 2008537739 A JP2008537739 A JP 2008537739A JP 2008537739 A JP2008537739 A JP 2008537739A JP 2009513026 A JP2009513026 A JP 2009513026A
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Abstract
Description
Claims (28)
- 第1表面を有する基板と、
基板の第1表面の上に配置される半導体チップと、
基板の第1表面の上に配置される電気絶縁構造と、前記電気絶縁構造は電気リード、及び電気リードと一体成形される有機系要素を有することと、
電気絶縁構造及び基板の第1表面を一体的に接続する半田要素とを備える半導体構造。 - 前記基板は導電材料からなり、前記半導体チップに電気的に接続される、請求項1記載の半導体構造。
- 前記電気絶縁構造は金属要素を備え、
前記有機系要素は前記金属要素と一体成形され、
前記有機系要素は前記金属要素と電気リードの間に配置される、請求項1記載の半導体構造。 - 金属要素は半田要素に対向する半田付け可能な表面を有し、
前記半田要素は金属要素の半田付け可能な表面に半田接続される、請求項3記載の半導体構造。 - 金属要素は半田要素と電気リードとの間に、かつ半田要素と有機系要素との間に配置される、請求項3記載の半導体構造。
- 有機系要素は電気リードを金属要素から電気的に絶縁する、請求項3記載の半導体構造。
- 前記金属要素は、基板に対向し、かつ第1表面領域を有する表面を有し、
有機系要素は、基板に対向し、かつ第2表面領域を有する表面を有し、
第1表面領域は第2表面領域よりも小さい、請求項3記載の半導体構造。 - 第2表面領域の一部分は、半田要素を堰き止める半田堰き止め部である、請求項7記載の半導体構造。
- 半導体チップと基板の第1表面との間に配置され、かつ半導体チップ及び基板の第1表面を一体的に接続する接着剤をさらに備え、
半田要素は第1溶融温度を有し、
接着剤は第1溶融温度よりも高い第2溶融温度を有する、請求項1記載の半導体構造。 - 導電材料により構成され、かつ第1表面を有するフランジと、
少なくとも一つの半導体デバイスを有する少なくとも一つの半導体チップであって、半導体デバイスがフランジの第1表面の上に配置され、かつフランジの第1表面に電気的に接続される能動素子である構成の少なくとも一つの半導体チップと、
フランジの第1表面の上に配置される少なくとも一つの整合要素と、
少なくとも一つの半導体デバイスをフランジの第1表面に接続し、かつ鉛フリー半田を含む第1半田要素と、
フランジの第1表面の上に配置されるフレーム構造であって、少なくとも2つの電気リードと、少なくとも2つの電気リードの下に配置されるベース金属要素と、少なくとも2つの電気リードとベース金属要素との間に配置され、かつ少なくとも2つの電気リード及びベース金属要素と一体成形される有機系電気絶縁要素と、を含むフレーム構造と、
ベース金属要素をフランジの第1表面に接続する第2半田要素と、
少なくとも一つの半導体デバイス及び少なくとも一つの整合要素を少なくとも2つの電気リードに電気的に接続する電気相互接続構造と、
フランジ及びフレーム構造の上に配置されて、少なくともグロスリークテストに合格するように少なくとも一つの半導体チップ、少なくとも一つの整合要素、及び電気相互接続構造を気密封止する蓋体とを備える半導体パッケージングシステム。 - フランジは少なくとも一つの半導体デバイスの第3電気リードであり、
フランジは更に、導電材料を被覆する金属層を含み、金属層はニッケル及び金により構成される半田付け可能な表面を含む、請求項10記載の半導体パッケージングシステム。 - ベース金属要素は半田付け可能な表面を含み、
第2半田要素は、ベース金属要素の半田付け可能な表面、及びフランジの半田付け可能な表面に半田接続される、請求項11記載の半導体パッケージングシステム。 - フランジに対向する有機系電気絶縁要素の表面は第1表面領域を有し、
フランジに対向するベース金属要素の表面は、第1表面領域よりも小さい第1表面領域を有する、請求項10記載の半導体パッケージングシステム。 - ベース金属要素の表面は、有機系電気絶縁要素の表面の第1部分を被覆し、
ベース金属要素の表面は、有機系電気絶縁要素の表面の第2部分の上には存在せず、
有機系電気絶縁要素の表面の第2部分は、第2半田要素を堰き止める半田堰き止め部である、請求項13記載の半導体パッケージングシステム。 - ベース金属要素は、少なくとも一つのモールドロック構造を有する、請求項10記載の半導体パッケージングシステム。
- 第1半田要素は第1溶融温度を有し、
第2半田要素は第1溶融温度よりも低い第2溶融温度を有する、請求項10記載の半導体パッケージングシステム。 - 回路基板と、
少なくとも2つの電気リードを回路基板に電気的に接続する第3半田要素とをさらに備え、
第3半田要素は第2溶融温度よりも低い溶融温度を有する、請求項16記載の半導体パッケージングシステム。 - フランジ、フレーム構造、第2半田要素、及び蓋体は、エアギャップを有する高出力無線周波数パッケージの少なくとも一部分を構成し、前記エアギャップに、少なくとも一つの半導体チップ、少なくとも一つの整合要素、及び電気相互接続構造が配置される、請求項10記載の半導体パッケージングシステム。
- 前記フランジは、
銅により構成される導電材料と、
ニッケル及び金により構成される半田付け可能な金属層とからなり、
第1半田要素は金及びシリコンを含み、
少なくとも2つの電気リードは、銅、ニッケル、及び鉄から成るグループから選択される材料により構成される導電材料を含み、
ベース金属要素は、銅、ニッケル、及び鉄から成るグループから選択される材料により構成される導電材料と、金及び錫により構成される半田付け可能な金属層と、を含み、
有機系電気絶縁要素はポリマーを含み、
第2半田要素は金及び錫を含む、請求項10記載の半導体パッケージングシステム。 - ベース金属要素及び少なくとも2つの電気リードは、ほぼ同様の材料により構成される、請求項10記載の半導体パッケージングシステム。
- 半導体パッケージングシステムを組み立てるための方法において、
導電材料により構成され、かつ第1表面を有するフランジを設ける工程と、
第1半田を使用して、少なくとも一つの半導体デバイスを有する少なくとも一つの半導体チップをフランジの第1表面にマウントする工程と、
少なくとも一つの整合要素をフランジの第1表面にマウントする工程と、
第1半田を使用する工程の後に、第2半田を使用して、フレーム構造をフランジの第1表面にマウントする工程とを備え、フレーム構造は、少なくとも2つの電気リードと、少なくとも2つの電気リードの下に配置されるベース金属要素と、そして少なくとも2つの電気リードとベース金属要素との間に配置され、かつ少なくとも2つの電気リード及びベース金属要素と一体成形される有機系電気絶縁要素と、を含み、そして第2半田は鉛フリー半田を含み、前記方法は、
蓋体をフレーム構造に取り付けて、少なくともグロスリークテストに合格するように少なくとも一つの半導体チップ、及び少なくとも一つの整合要素を気密封止する工程をさらに備える、方法。 - フランジは第1の半田付け可能な表面を有し、
少なくとも一つの半導体チップは第2の半田付け可能な表面を有し、
第1半田は、第1の半田付け可能な表面の第1部分を第2の半田付け可能な表面に半田接続し、
ベース金属要素は第3の半田付け可能な表面を有し、
第2半田は、第1の半田付け可能な表面の第2部分を第3の半田付け可能な表面に半田接続する、請求項21記載の方法。 - 第1半田を使用する工程は第1リフロー温度で行われ、第2半田を使用する工程は第2リフロー温度で行われ、
第1リフロー温度は第2リフロー温度よりも高い、請求項21記載の方法。 - 蓋体を取り付ける工程の後に、第3半田を使用して少なくとも2つの電気リードを回路基板にマウントする工程をさらに備え、
第3半田を使用する工程は第3リフロー温度で行われ、
第2リフロー温度は第3リフロー温度よりも高い、請求項23記載の方法。 - 有機系電気絶縁要素を少なくとも2つの電気リード及びベース金属要素と一体成形する前に、第2半田をベース金属要素の半田付け可能な表面に塗布する、請求項21記載の方法。
- 有機系電気絶縁要素を少なくとも2つの電気リード及びベース金属要素と一体成形した後に、かつ第2半田を使用する工程の前に、第2半田をベース金属要素の半田付け可能な表面に塗布する、請求項21記載の方法。
- 第2半田を使用する工程の前に、第2半田をベース金属要素の半田付け可能な表面に塗布する、
請求項21記載の方法。 - 半導体構造を組み立てるための方法において、
第1表面を有する基板を設ける工程と、
半導体チップを基板の第1表面にマウントする工程と、
前記マウントする工程の後に、電気絶縁構造を基板の第1表面に半田接続する工程とを備え、前記電気絶縁構造は電気リード、及び電気リードと一体成形される有機系要素を含む、方法。
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