JP5615936B2 - パネルベースのリードフレームパッケージング方法及び装置 - Google Patents
パネルベースのリードフレームパッケージング方法及び装置 Download PDFInfo
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- JP5615936B2 JP5615936B2 JP2012544534A JP2012544534A JP5615936B2 JP 5615936 B2 JP5615936 B2 JP 5615936B2 JP 2012544534 A JP2012544534 A JP 2012544534A JP 2012544534 A JP2012544534 A JP 2012544534A JP 5615936 B2 JP5615936 B2 JP 5615936B2
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Description
Claims (13)
- 導電性の中央凹部と、各々が頂部及び底部を有する複数の導電リードとを有し、前記複数のリードが前記中央凹部から離間されて絶縁され、前記中央凹部が、頂部側と、前記複数のリードの底部と実質的に同一平面上にある底部側とを有する予備成形した導電性のリードフレームと、
頂面及びこれに対向する底面を有する集積回路チップと、
を備え、前記頂面が、前記チップに電気的に接続するための複数のボンディングパッドを有するとともに、前記チップが、該チップの前記底面が前記凹部の前記頂部側に電気的に接触した状態で前記中央凹部内に配置され、
前記チップの頂面上及び前記リードの頂部上に堆積され、前記チップの前記ボンディングパッドの一部を前記導電リードの一部に電気的に接続するようにパターニングされた導電層と、
前記導電層を覆う絶縁体と、
をさらに備えることを特徴とするパッケージングした半導体チップ。 - 前記予備成形したリードフレームが、前記複数のリードの頂部と実質的に同一平面上にある頂部と、前記複数のリードの底部及び前記凹部の底部側と実質的に同一平面上にある底部とを有する、前記凹部に電気的に接続された接地リードをさらに備える、
ことを特徴とする請求項1に記載のパッケージングした半導体チップ。 - 前記チップの頂面が、前記複数のリードの頂部と実質的に同一平面上にある、
ことを特徴とする請求項1に記載のパッケージングした半導体チップ。 - 各リードの底部に取り付けられた半田付け材料の導電性バンプをさらに備える、
ことを特徴とする請求項3に記載のパッケージングした半導体チップ。 - 各リードの頂部に取り付けられた半田付け材料の導電性バンプをさらに備える、
ことを特徴とする請求項4に記載のパッケージングした半導体チップ。 - 前記チップの前記ボンディングパッドの一部を前記導電リードの一部に接続する、前記導電層内に形成された受動電気回路素子をさらに備える、
ことを特徴とする請求項1に記載のパッケージングした半導体チップ。 - 集積回路チップのパッケージング方法であって、
a)各々が頂面及び底面を有する複数の集積回路チップを、平面を有する第1の基板上に、前記頂面が前記第1の基板の前記平面に接触した状態で配置するステップを含み、前記頂面が、前記チップに電気的に接続するための複数のボンディングパッドを有し、
b)前記チップの各々の底面に導電性接着剤を塗布するステップと、
c)前記複数のチップ上に複数の接続された導電性のリードフレームを配置するステップと、
をさらに含み、各リードフレームが、各々が頂部側及び底部側を有する複数の導電リードと、該複数のリードに接続によって接続された導電性の中央凹部とを有し、前記中央凹部が、頂部と、前記複数のリードの底部側と実質的に同一平面上にある底部とを有し、前記リードフレームの前記中央凹部が、前記複数のチップの前記導電性接着剤上に配置され、各リードの前記頂部側が前記第1の基板の前記平面に接するまで前記凹部の前記頂部が前記導電性接着剤に接触し、
d)前記第1の基板を除去するステップと、
e)前記複数のチップを含む前記複数のリードフレームを、平面を有する第2の基板上に、各リードの前記底部側及び前記凹部の前記底部が前記第2の基板の前記平面に接する状態で配置するステップと、
f)前記チップの前記頂面及び前記リードの前記頂部側上に導電層を堆積させるステップと、
g)前記導電層を、前記複数のチップの1つの前記ボンディングパッドの一部を前記1つのチップに関連する導電リードの一部に電気的に接続するようにパターニングするステップと、
h)各リードフレームの前記接続の各々を隣接するリードフレームから切断し、前記リードを前記凹部から切断するステップと、
をさらに含むことを特徴とする方法。 - ステップc)の後に形成される構造を絶縁体で満たして、各チップとその関連するリードフレームの隣接するリードとの間の空間を満たすステップをさらに含む、
ことを特徴とする請求項7に記載の方法。 - ステップd)の後に形成される構造を平坦化して、各リードの前記底部側及び前記凹部の前記底部上のあらゆる絶縁体を除去するステップをさらに含む、
ことを特徴とする請求項8に記載の方法。 - 前記堆積ステップが、前記チップの前記頂面上及び前記リードの前記頂部側上に、及び各チップとその関連するリードフレームの隣接するリードとの間の前記絶縁体を覆って導電層を堆積させる、
ことを特徴とする請求項8に記載の方法。 - 前記導電層が、前記複数のチップの1つの前記ボンディングパッドの一部を前記1つのチップに関連する導電リードの一部に接続する受動回路素子を形成するようにパターニングされる、
ことを特徴とする請求項10に記載の方法。 - 各リードの底部側に半田付け材料の導電性バンプを取り付けるステップをさらに含む、ことを特徴とする請求項10に記載の方法。
- 各リードの頂部側に半田付け材料の導電性バンプを取り付けるステップをさらに含む、ことを特徴とする請求項12に記載の方法。
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US12/638,827 US8435837B2 (en) | 2009-12-15 | 2009-12-15 | Panel based lead frame packaging method and device |
PCT/US2010/057026 WO2011075263A1 (en) | 2009-12-15 | 2010-11-17 | Panel based lead frame packaging method and device |
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TWI435428B (zh) | 2014-04-21 |
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WO2011075263A1 (en) | 2011-06-23 |
EP2513968A4 (en) | 2015-04-01 |
CN102652358B (zh) | 2016-03-16 |
KR20120095449A (ko) | 2012-08-28 |
CN102652358A (zh) | 2012-08-29 |
EP2513968A1 (en) | 2012-10-24 |
US20110140254A1 (en) | 2011-06-16 |
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