JP2020043321A - 半導体パッケージ及びパッケージ実装基板 - Google Patents
半導体パッケージ及びパッケージ実装基板 Download PDFInfo
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- JP2020043321A JP2020043321A JP2018228902A JP2018228902A JP2020043321A JP 2020043321 A JP2020043321 A JP 2020043321A JP 2018228902 A JP2018228902 A JP 2018228902A JP 2018228902 A JP2018228902 A JP 2018228902A JP 2020043321 A JP2020043321 A JP 2020043321A
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Classifications
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- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/538—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames the interconnection structure between a plurality of semiconductor chips being formed on, or in, insulating substrates
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- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/341—Surface mounted components
- H05K3/3431—Leadless components
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Abstract
Description
図1は電子機器システムの例を概略的に示すブロック図である。
一般に、半導体チップには、数多くの微細電気回路が集積されているが、それ自体が半導体完成品としての役割を果たすことはできず、外部からの物理的又は化学的衝撃により損傷する可能性がある。したがって、半導体チップ自体をそのまま用いるのではなく、半導体チップをパッケージングして、パッケージ状態で電子機器などに用いている。
図3a及び図3bはファン−イン半導体パッケージのパッケージング前後を概略的に示す断面図である。
図7はファン−アウト半導体パッケージの概略的な形態を示す断面図である。
Claims (16)
- 接続パッドが配置された活性面、及び前記活性面の反対側である非活性面を有する半導体チップと、
前記半導体チップの少なくとも一部を覆う封止材と、
前記封止材及び前記半導体チップの活性面上に配置され、再配線層を含む連結構造体と、を含み、
前記再配線層は、複数の第1パッド、前記連結構造体の外周に沿って前記複数の第1パッドを囲むように配置された複数の第2パッド、及び連結構造体の外周に沿って前記複数の第2パッドを囲むように配置された複数の第3パッドを含み、
前記複数の第2パッド間のギャップは、前記複数の第3パッド間のギャップと互いにずれて配置される、半導体パッケージ。 - 前記複数の第2パッド及び前記複数の第3パッドのパッド形状はそれぞれ、前記複数の第1パッドのパッド形状と異なる、請求項1に記載の半導体パッケージ。
- 前記複数の第2パッド及び前記複数の第3パッドはそれぞれ、前記連結構造体の外周に沿って所定の長さを有し、
前記所定の長さは、前記複数の第2パッド及び前記複数の第3パッドのそれぞれの開口部の幅よりも長い、請求項1または2に記載の半導体パッケージ。 - 前記複数の第1パッドはそれぞれ円形の形状を有する、請求項1から3のいずれか一項に記載の半導体パッケージ。
- 前記複数の第3パッドは、前記連結構造体の少なくとも一つのコーナーで少なくとも一つの開口部を有し、
前記複数の第2パッドのうち少なくとも一つのパッドは、前記複数の第3パッドの開口部が配置された前記連結構造体のコーナーに配置される、請求項1から4のいずれか一項に記載の半導体パッケージ。 - 前記複数の第1パッドのうち少なくとも一つのパッドは、前記接続パッドのうち信号用の接続パッドと電気的に連結され、
前記複数の第2パッド及び前記複数の第3パッドはそれぞれ、前記接続パッドのうちグランド用の接続パッドと電気的に連結される、請求項1から5のいずれか一項に記載の半導体パッケージ。 - 前記複数の第2パッド及び前記複数の第3パッドはそれぞれ、複数の前記グランド用の接続パッドと電気的に連結される、請求項6に記載の半導体パッケージ。
- 前記連結構造体上に配置され、前記複数の第1パッドと電気的に連結された複数の電気連結金属と、
前記連結構造体上に配置され、前記複数の第2パッドと電気的に連結された複数の第1遮蔽−ダムと、
前記連結構造体上に配置され、前記複数の第3パッドと電気的に連結された複数の第2遮蔽−ダムと、をさらに含み、
前記複数の第1遮蔽−ダム間のギャップは、前記複数の第2遮蔽−ダム間のギャップと互いにずれて配置される、請求項1から7のいずれか一項に記載の半導体パッケージ。 - 前記複数の第1遮蔽−ダム及び前記複数の第2遮蔽−ダムはそれぞれ、前記連結構造体の外周に沿って所定の長さを有するダム形状を有し、
前記所定の長さは、前記複数の第1遮蔽−ダム及び前記複数の第2遮蔽−ダムのそれぞれの開口部の幅よりも長い、請求項8に記載の半導体パッケージ。 - 前記複数の電気連結金属はそれぞれボール形状を有する、請求項8または9に記載の半導体パッケージ。
- 前記複数の第2遮蔽−ダムは、前記連結構造体の少なくとも一つのコーナーで少なくとも一つの開口部を有し、
前記複数の第1遮蔽−ダムのうち少なくとも一つの遮蔽−ダムは、前記複数の第2遮蔽−ダムの開口部が配置された前記連結構造体のコーナーに配置される、請求項8から10のいずれか一項に記載の半導体パッケージ。 - 前記複数の電気連結金属のうち少なくとも一つの電気連結金属は、前記接続パッドの信号用の接続パッドと電気的に連結され、
前記複数の第1遮蔽−ダム及び前記複数の第2遮蔽−ダムはそれぞれ、前記接続パッドのうちグランド用の接続パッドと電気的に連結される、請求項8から11のいずれか一項に記載の半導体パッケージ。 - 前記複数の第1遮蔽−ダム及び前記複数の第2遮蔽−ダムはそれぞれ、複数の前記グランド用の接続パッドと電気的に連結される、請求項12に記載の半導体パッケージ。
- 前記複数の電気連結金属のそれぞれの電気連結金属と、前記複数の第1遮蔽−ダム及び前記複数の第2遮蔽−ダムのそれぞれの遮蔽−ダムは、スズ(Sn)、又はスズ(Sn)を含む合金を含む低融点金属を含む、請求項8から13のいずれか一項に記載の半導体パッケージ。
- 前記複数の電気連結金属と、前記複数の第1遮蔽−ダム及び前記複数の第2遮蔽−ダムはそれぞれ、同一のレベルに並んで配置される、請求項8から14のいずれか一項に記載の半導体パッケージ。
- 複数の第1実装パッド、前記複数の第1実装パッドを囲む複数の第2実装パッド、及び前記複数の第2実装パッドを囲む複数の第3実装パッドを含むプリント回路基板と、
前記プリント回路基板上に実装された半導体パッケージと、を含み、
前記半導体パッケージは、接続パッドが配置された活性面、及び前記活性面の反対側である非活性面を有する半導体チップ、前記半導体チップの少なくとも一部を覆う封止材、前記封止材及び前記半導体チップの活性面上に配置され、再配線層を含む連結構造体、前記連結構造体上に配置され、前記複数の第1実装パッドと連結された複数の電気連結金属、前記連結構造体の外周に沿って前記複数の電気連結金属を囲むように前記連結構造体上に配置され、前記複数の第2実装パッドと連結された第1遮蔽構造体、及び前記連結構造体の外周に沿って前記第1遮蔽構造体を囲むように前記連結構造体上に配置され、前記複数の第3実装パッドと連結された第2遮蔽構造体を含み、
前記第1及び第2遮蔽構造体はそれぞれ、前記連結構造体の外周に沿って所定の長さを有する複数の遮蔽−ダムを有する、パッケージ実装基板。
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