JP2009253280A - 気密密閉している回路装置を伴ったパワー半導体モジュールとその製造方法 - Google Patents
気密密閉している回路装置を伴ったパワー半導体モジュールとその製造方法 Download PDFInfo
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- JP2009253280A JP2009253280A JP2009073924A JP2009073924A JP2009253280A JP 2009253280 A JP2009253280 A JP 2009253280A JP 2009073924 A JP2009073924 A JP 2009073924A JP 2009073924 A JP2009073924 A JP 2009073924A JP 2009253280 A JP2009253280 A JP 2009253280A
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 93
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 39
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- 229910052751 metal Inorganic materials 0.000 claims description 35
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- 229910052802 copper Inorganic materials 0.000 description 2
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 239000010970 precious metal Substances 0.000 description 1
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- 229910052710 silicon Inorganic materials 0.000 description 1
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Abstract
【解決手段】 本発明のパワー半導体モジュールは、基板と、この基板に形成されている回路装置とを有し、この回路装置は、相互に電気絶縁されている複数の導体路と、この導体路に配されているパワー半導体コンポーネントとを有している。このパワー半導体コンポーネントは、回路に適合する方式で接続デバイスを用いて接続されており、この接続デバイスは、少なくとも2つの導電層と少なくとも1つの電気絶縁層との交互に連続する層を備えている。この場合、基板は第1シール面を有し、この第1シール面は断続することなく回路装置を取り囲んでいる。さらに、このシール面は、接続層を用いて接続デバイスの層の割り当てられた第2シール面に対して接続されている。本発明に従うと、このパワー半導体モジュールは、基板と、パワー半導体コンポーネントと、接続デバイスとに対して加圧することにより製造される。
【選択図】図4
Description
・パワー半導体コンポーネントを基板の割り当てられた導体路に配するステップ。ここでは、焼結金属層を各パワー半導体コンポーネントと導体路の割り当てられた面との間に配することが好ましい。
・接続層を、例えば焼結金属層として又はプリプレグとして体現して、第1シール面に配するステップ。
・パワー半導体コンポーネントと、第1シール面と、基板とに関して接続デバイスを配するステップ。ここでは言うまでもなく、第2シール面も接続層に関して指向されるので第1シール面に関しても指向される。
・基板と、パワー半導体コンポーネントと、接続デバイスとに対して圧力を加え、好ましくは温度も加えるステップ。この結果、第1シール面と第2シール面との間に圧力焼結接続が形成される。
によって特徴づけられる。
3 半導体コンポーネント
4 接続デバイス
6 絶縁体
20 絶縁層、基体
22a、b 導体路
24 金属層
30 側面エッジ
32、34、36 コンタクト面
38 上面エッジ
40、42、46 導電層
44、48 絶縁層
50、52、60 焼結金属層
200、400 シール面
402、422 断続
404 直通接続部、ワイヤボンディング接続部
406 めっきされたスルーホール
420 弓形の延在部
442 孔
500、540 コンタクト面
Claims (10)
- 基板(2)と、この基板(2)に形成されている回路装置とを有し、この回路装置が、相互に電気絶縁されている複数の導体路(22)と、この導体路(22)に配されているパワー半導体コンポーネント(3)とを有し、これらのパワー半導体コンポーネント(3)が、回路に適合する方式で接続デバイス(4)を用いて接続され、この接続デバイス(4)が、少なくとも2つの導電層(40、42、46)と少なくとも1つの電気絶縁層(44、48)との交互に連続する層とを有しているパワー半導体モジュールにおいて、
基板(2)が第1シール面(200)を有し、この第1シール面(200)が、断続することなく回路装置を取り囲んでおりかつ接続層(60)を用いて接続デバイス(4)の層の割り当てられた第2シール面(400)に対して接続されていることを特徴とする、パワー半導体モジュール。 - 第1シール面(200)が、金属層(24)に配されており、圧力焼結接続と接続層(60)としての焼結金属層とを用いて接続デバイス(4)の導電層(40、42、46)に対して気密密閉して接続されていることを特徴とする、請求項1に記載のパワー半導体モジュール。
- 第1シール面(200)が、金属層に形成され又は基板(2)の絶縁面として形成され、圧力焼結接続と接続層(60)としてのプリプレグとを用いて第2シール面(400)に対して機密密閉して接続されていることを特徴とする、請求項1に記載のパワー半導体モジュール。
- 第2シール面(400)が、接続デバイス(4)の導電層(40、42、46)に又は絶縁層(44、48)に形成されていることを特徴とする、請求項1に記載のパワー半導体モジュール。
- ゲル状の絶縁体(6)が、各パワー半導体コンポーネント(3)を囲むように周囲に配されていることを特徴とする、請求項1に記載のパワー半導体モジュール。
- ・パワー半導体コンポーネント(3)を基板(2)の割り当てられた導体路(22)に配するステップと、
・接続層(60)を第1シール面(200)に配するステップと、
・接続デバイス(4)を、パワー半導体コンポーネント(3)と、第1シール面(200)と、基板(2)の導体路(22)とに対して、配するステップと、
・基板(2)と、パワー半導体コンポーネント(3)と、接続デバイス(4)とに対して加圧するステップと
の基本的なステップによって特徴づけられている、請求項1に記載のパワー半導体モジュールのための製造方法。 - パワー半導体コンポーネント(3)を配した後に、ゲル状の絶縁体(6)が、パワー半導体コンポーネント(30)を囲むようにかつ基板(2)と反対にある主要面のエッジ(38)を被覆する方式で配されることを特徴とする、請求項6に記載の製造方法。
- 各パワー半導体コンポーネント(3)の、割り当てられた導体路(22)と接続デバイス(4)の金属層(40、42、46)とに対する接続が、焼結接続として形成されることを特徴とする、請求項6に記載の製造方法。
- 接続層(60)が焼結金属層であり、この層の、金属的に形成されている第1シール面(200)と、接続デバイス(4)の金属層(40、42、46)の割り当てられた第2シール面(400)とに対する材料結合接続が、パワー半導体コンポーネント(3)の、導体路(22)と接続デバイス(4)の第1金属層(40)とに対する焼結接続と同時に形成されることを特徴とする、請求項6に記載の製造方法。
- 接続層(60)がプリプレグであり、この層の、第1シール面(200)と、接続デバイス(4)の割り当てられた第2シール面(400)とに対する材料結合接続が、パワー半導体コンポーネント(3)の、導体路(22)と接続デバイス(4)の第1金属層(40)とに対する焼結接続と同時に形成されることを特徴とする、請求項6に記載の製造方法。
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