JP2006147852A - 半導体装置およびその製造方法ならびに半導体装置の製造装置 - Google Patents
半導体装置およびその製造方法ならびに半導体装置の製造装置 Download PDFInfo
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- JP2006147852A JP2006147852A JP2004335920A JP2004335920A JP2006147852A JP 2006147852 A JP2006147852 A JP 2006147852A JP 2004335920 A JP2004335920 A JP 2004335920A JP 2004335920 A JP2004335920 A JP 2004335920A JP 2006147852 A JP2006147852 A JP 2006147852A
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Abstract
【解決手段】 半導体チップ10、11と、半導体チップ10、11を挟むように半導体チップ10、11の両面に配置された一対の放熱板20、30とを備え、装置のほぼ全体をモールド樹脂80によって包み込むように封止してなり、一対の放熱板20、30のそれぞれの放熱面20a、30aがモールド樹脂80から露出している半導体装置100において、各放熱板20、30の放熱面20a、30aとともに、各放熱板20、30の側面20b、30bおよびこの側面20b、30bと放熱面20a、30aとの境界部20c、30cもモールド樹脂80から露出している。
【選択図】 図2
Description
放熱板(20、30)の外側の主表面(20a、30a)とともに、放熱板(20、30)における側面(20b、30b)およびこの側面(20b、30b)と主表面(20a、30a)との境界部(20c、30c)も、モールド樹脂(80)から露出していることを特徴としている。
図1は、本発明の実施形態に係る半導体装置100の概略平面構成を示す図である。また、図2は、図1中のII−II一点鎖線に沿った概略断面構成を示す図であり、図3は、図1中のIII−III一点鎖線に沿った概略断面構成を示す図である。
次に、上記した構成の半導体装置100の製造方法について説明する。まず、下側ヒートシンク20の上面に、両半導体チップ10、11、とヒートシンクブロック40をはんだ付けする工程を実行する。
ところで、本実施形態によれば、半導体素子としての半導体チップ10、11と、半導体チップ10、11に熱的に接続された放熱板としてのヒートシンク20、30とを備え、ヒートシンク20、30の外側の主表面20a、30aがモールド樹脂80から露出するように装置をモールド樹脂80によって包み込むように封止してなる半導体装置において、ヒートシンク20、30の外側の主表面20a、30aとともに、ヒートシンク20、30における側面20b、30bおよびこの側面20b、30bと主表面20a、30aとの境界部20c、30cも、モールド樹脂80から露出していることを特徴とする半導体装置100が提供される。
なお、本実施形態にて示した上記製造方法および上記製造装置においては、金型200のうち一対のヒートシンク20、30のそれぞれの外側の主表面20a、30aに対向する部位に、上記シート300を設け、シート300に主表面20a、30aを押しつけることにより、各ヒートシンク20、30における主表面20a、30aと側面20b、30bとをシート300で被覆した状態で、モールド樹脂80による封止を行うようにしている。
なお、放熱板としてのヒートシンク20、30の形状は、上記した略矩形板状のものに限定されるものではなく、たとえば三角板状、円形板状など適宜設計変更したものを用いてもよい。
11…半導体素子としての第2の半導体チップ、
20…放熱板としての下側ヒートシンク、30…放熱板としての上側ヒートシンク、
20a…下側ヒートシンクの放熱面としての主表面、
30a…上側ヒートシンクの放熱面としての主表面、
20b…下側ヒートシンクの側面、30b…上側ヒートシンクの側面、
20c…下側ヒートシンクの主表面と側面との境界部、
30c…上側ヒートシンクの主表面と側面との境界部、
80…モールド樹脂、200…金型、205a…窪み、300…シート。
Claims (16)
- 半導体素子(10、11)と、
前記半導体素子(10、11)に熱的に接続された放熱板(20、30)とを備え、
前記放熱板(20、30)の外側の主表面(20a、30a)がモールド樹脂(80)から露出するように装置を前記モールド樹脂(80)によって包み込むように封止してなる半導体装置において、
前記放熱板(20、30)の外側の主表面(20a、30a)とともに、前記放熱板(20、30)における側面(20b、30b)およびこの側面(20b、30b)と前記主表面(20a、30a)との境界部(20c、30c)も、前記モールド樹脂(80)から露出していることを特徴とする半導体装置。 - 前記モールド樹脂(80)のうち前記放熱板(20、30)の外側の主表面(20a、30a)の周囲には溝(81)が設けられており、
この溝(81)によって前記放熱板(20、30)における側面(20b、30b)およびこの側面(20b、30b)と前記主表面(20a、30a)との境界部(20c、30c)が露出していることを特徴とする請求項1に記載の半導体装置。 - 半導体素子(10、11)と、
前記半導体素子(10、11)を挟むように前記半導体素子(10、11)の両面に配置された一対の放熱板(20、30)とを備え、
前記一対の放熱板(20、30)のそれぞれの外側の主表面(20a、30a)がモールド樹脂(80)から露出するように装置をモールド樹脂(80)によって包み込むように封止してなる半導体装置において、
前記一対の放熱板(20、30)のそれぞれの外側の主表面(20a、30a)とともに、前記一対の放熱板(20、30)のそれぞれにおける側面(20b、30b)およびこの側面(20b、30b)と前記主表面(20a、30a)との境界部(20c、30c)も、前記モールド樹脂(80)から露出していることを特徴とする半導体装置。 - 前記モールド樹脂(80)のうち前記一対の放熱板(20、30)のそれぞれの外側の主表面(20a、30a)の周囲には溝(81)が設けられており、
この溝(81)によって前記一対の放熱板(20、30)のそれぞれにおける側面(20b、30b)およびこの側面(20b、30b)と前記主表面(20a、30a)との境界部(20c、30c)が露出していることを特徴とする請求項3に記載の半導体装置。 - 前記一対の放熱板(20、30)に挟まれる前記半導体素子(10、11)は、複数個であることを特徴とする請求項3または4に記載の半導体装置。
- 半導体素子(10、11)に放熱板(20、30)を熱的に接続したものを、金型(200)内に設置し、モールド樹脂(80)によって包み込むように封止するようにした半導体装置の製造方法において、
前記金型(200)のうち前記放熱板(20、30)の外側の主表面(20a、30a)に対向する部位に、当該主表面(20a、30a)よりも一回り外形が大きな耐熱性および柔軟性を有するシート(300)を設け、
前記シート(300)に前記主表面(20a、30a)を押しつけることにより、前記放熱板(20、30)における前記主表面(20a、30a)の少なくとも外周縁部と側面(20b、30b)とを前記シート(300)で被覆した状態で、前記モールド樹脂(80)による封止を行うようにしたことを特徴とする半導体装置の製造方法。 - 半導体素子(10、11)を挟むように前記半導体素子(10、11)の両面に一対の放熱板(20、30)を配置し、このものを金型(200)内に設置しモールド樹脂(80)によって包み込むように封止するようにした半導体装置の製造方法において、
前記金型(200)のうち前記一対の放熱板(20、30)のそれぞれの外側の主表面(20a、30a)に対向する部位に、当該主表面(20a、30a)よりも一回り外形が大きな耐熱性および柔軟性を有するシート(300)を設け、
前記シート(300)に前記主表面(20a、30a)を押しつけることにより、前記放熱板(20、30)における前記主表面(20a、30a)の少なくとも外周縁部と側面(20b、30b)とを前記シート(300)で被覆した状態で、前記モールド樹脂(80)による封止を行うようにしたことを特徴とする半導体装置の製造方法。 - 前記シート(300)は、フッ素系樹脂またはシリコーン系樹脂を含む材料からなるものであることを特徴とする請求項6または7に記載の半導体装置の製造方法。
- 前記シート(300)に前記主表面(20a、30a)を押しつけることにより、前記放熱板(20、30)における前記主表面(20a、30a)の全部と側面(20b、30b)とを前記シート(300)で被覆した状態で、前記モールド樹脂(80)による封止を行うようにしたことを特徴とする請求項6ないし8のいずれか1つに記載の半導体装置の製造方法。
- 前記シート(300)に前記主表面(20a、30a)を押しつけることにより、前記放熱板(20、30)における前記主表面(20a、30a)の外周縁部のみと側面(20b、30b)とを前記シート(300)で被覆した状態で、前記モールド樹脂(80)による封止を行うようにしたことを特徴とする請求項6ないし8のいずれか1つに記載の半導体装置の製造方法。
- 半導体素子(10、11)に放熱板(20、30)を熱的に接続してなるワークを、金型(200)を用いてモールド樹脂(80)によって包み込むように封止するようにした半導体装置の製造装置において、
前記金型(200)のうち前記放熱板(20、30)の外側の主表面(20a、30a)に対向する部位に、当該主表面(20a、30a)よりも一回り外形が大きな耐熱性および柔軟性を有するシート(300)を設け、
前記シート(300)に前記主表面(20a、30a)を押しつけることにより、前記放熱板(20、30)における前記主表面(20a、30a)の少なくとも外周縁部と側面(20b、30b)とを前記シート(300)で被覆した状態で、前記モールド樹脂(80)による封止を行うことを特徴とする半導体装置の製造装置。 - 半導体素子(10、11)を挟むように前記半導体素子(10、11)の両面に一対の放熱板(20、30)を配置してなるワークを、金型(200)を用いてモールド樹脂(80)によって包み込むように封止するようにした半導体装置の製造装置において、
前記金型(200)のうち前記一対の放熱板(20、30)のそれぞれの外側の主表面(20a、30a)に対向する部位に、当該主表面(20a、30a)よりも一回り外形が大きな耐熱性および柔軟性を有するシート(300)を設け、
前記シート(300)に前記主表面(20a、30a)を押しつけることにより、前記放熱板(20、30)における前記主表面(20a、30a)の少なくとも外周縁部と側面(20b、30b)とを前記シート(300)で被覆した状態で、前記モールド樹脂(80)による封止を行うことを特徴とする半導体装置の製造装置。 - 前記シート(300)は、フッ素系樹脂またはシリコーン系樹脂を含む材料からなるものであることを特徴とする請求項11または12に記載の半導体装置の製造装置。
- 前記シート(300)に前記主表面(20a、30a)を押しつけることにより、前記放熱板(20、30)における前記主表面(20a、30a)の全部と側面(20b、30b)とを前記シート(300)で被覆した状態で、前記モールド樹脂(80)による封止を行うようにしたことを特徴とする請求項11ないし13のいずれか1つに記載の半導体装置の製造装置。
- 前記シート(300)に前記主表面(20a、30a)を押しつけることにより、前記放熱板(20、30)における前記主表面(20a、30a)の外周縁部のみと側面(20b、30b)とを前記シート(300)で被覆した状態で、前記モールド樹脂(80)による封止を行うようにしたことを特徴とする請求項11ないし13のいずれか1つに記載の半導体装置の製造装置。
- 前記金型(200)のうち前記放熱板(20、30)の主表面(20a、30a)が対向する部位であって前記シート(300)が当接する部位には、前記シート(300)のつぶれを逃がすための窪み(205a)が設けられていることを特徴とする請求項11ないし15のいずれか1つに記載の製造装置。
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Also Published As
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CN100452368C (zh) | 2009-01-14 |
JP4407489B2 (ja) | 2010-02-03 |
CN1815719A (zh) | 2006-08-09 |
US20060108700A1 (en) | 2006-05-25 |
US7405107B2 (en) | 2008-07-29 |
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