JP7353255B2 - 半導体装置用の筐体の製造方法 - Google Patents
半導体装置用の筐体の製造方法 Download PDFInfo
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- JP7353255B2 JP7353255B2 JP2020182918A JP2020182918A JP7353255B2 JP 7353255 B2 JP7353255 B2 JP 7353255B2 JP 2020182918 A JP2020182918 A JP 2020182918A JP 2020182918 A JP2020182918 A JP 2020182918A JP 7353255 B2 JP7353255 B2 JP 7353255B2
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- Prior art keywords
- lower mold
- nest
- housing
- hole
- recess
- Prior art date
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- 239000004065 semiconductor Substances 0.000 title claims description 74
- 238000004519 manufacturing process Methods 0.000 title claims description 46
- 238000000034 method Methods 0.000 title claims description 23
- 238000000465 moulding Methods 0.000 claims description 25
- 239000011347 resin Substances 0.000 claims description 16
- 229920005989 resin Polymers 0.000 claims description 16
- 239000000758 substrate Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 10
- 239000003566 sealing material Substances 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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Description
図1は本開示にかかる製造方法によって得られる筐体100を例示する斜視図である。図2は筐体100を例示する平面図である。図3は筐体100を例示する側面図である。
図5は筐体100の製造に用いられる下型5を示す平面図である。図6は下型5を部分的に示す斜視図である。図6には図5における位置BBにおける断面が紙面手前側に現れる。
入れ子3が凹部5Bに嵌まるとき、部分31が覆う第1の穴53と、当該部分31が覆わない第2の穴53(但し第1の穴53と第2の穴53とは隣接する)との間に端面30が位置する。凹部13の形状は部分31の形状を反映するので、製造上の公差を考慮から外すと、端面30と第2の穴53との距離は、距離Lと一致する(図9参照)。
図18は、筐体100を備える半導体装置200を例示する断面図である。筐体100が半導体装置200に採用される場合が例示される。図18における筐体100は例えば図2に示された位置EEにおける断面として現れる。構成を分かりやすくするために、後述されるワイヤWも図18に示される。
下型5を収納可能な他の下型を用いた樹脂成形は、入れ子3の容易な交換に寄与する。図20は下型5を収納可能な下型9を例示する斜視図である。図21は端子2および入れ子3が配置された状態の下型5と、当該状態の下型5を収納した状態の下型9とを例示する斜視図である。図22は、当該状態の端子2、入れ子3および下型5,9を例示する平面図である。図20から図22において併記される方向X,Y,Zは、筐体100を示す図1から図4において併記された方向X,Y,Zに対応する。
Claims (4)
- 枠と、前記枠と共にインサート成形される複数の端子とを有し、半導体素子と共に半導体装置に備えられる筐体を製造する方法であって、
前記端子は第1部分と、前記半導体素子との接続対象である第2部分とを有し、
前記第1部分が挿入される対象となる複数の穴が設けられた下型に対して、少なくとも一つの前記穴を覆う第3部分を有する入れ子を配置する第1工程と、
前記入れ子が配置された前記下型に対し、前記第3部分によって覆われていない前記穴へ前記第1部分を挿入して、前記端子を配置する第2工程と、
前記入れ子および前記端子が配置された前記下型へ上型を配置する第3工程と、
前記第3工程の後に実行され、前記下型と前記上型とを用いて樹脂成形を行って前記筐体を得る第4工程と
を備える、半導体装置用の筐体の製造方法。 - 前記第1工程が実行された状態において前記第3部分が覆う第1の前記穴と、前記第1の前記穴と隣接して前記第3部分が覆わない第2の前記穴との間に前記第3部分の端面が位置し、
前記端面と前記第2の前記穴との距離は、前記第1の前記穴と前記第2の前記穴との間隔の半分以下である、請求項1に記載の、半導体装置用の筐体の製造方法。 - 前記入れ子は複数の前記第3部分を連結する第4部分を更に有し、
前記第3部分が前記第4部分から突出する長さは、前記穴が延びる方向に沿った前記第3部分の長さの二倍以下である、請求項1または請求項2に記載の、半導体装置用の筐体の製造方法。 - 前記第4工程の後に実行され、前記上型を前記下型および前記入れ子から外す第5工程と、
前記第5工程の後に実行され、前記筐体を前記下型および前記入れ子から外す第6工程と、
前記第6工程の後に実行され、前記入れ子を前記下型から外す第7工程と、
前記第1工程と前記第2工程との間に実行され、前記下型を他の下型に配置する第8工程と、
前記第6工程と前記第7工程との間に実行され、前記下型を前記他の下型から外す第9工程と
を更に備える、請求項1から請求項3のいずれか一つに記載の、半導体装置用の筐体の製造方法。
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JP2008235651A (ja) | 2007-03-22 | 2008-10-02 | Fuji Electric Device Technology Co Ltd | 半導体装置およびその製造方法 |
JP2014212218A (ja) | 2013-04-18 | 2014-11-13 | 富士電機株式会社 | 半導体装置の製造方法及び半導体装置 |
WO2014199764A1 (ja) | 2013-06-10 | 2014-12-18 | 富士電機株式会社 | 半導体装置及びその製造方法 |
JP2016111028A (ja) | 2014-12-02 | 2016-06-20 | 富士電機株式会社 | 半導体装置およびその製造方法 |
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DE102004046807B4 (de) | 2004-09-27 | 2010-08-12 | Infineon Technologies Ag | Verfahren zur Herstellung eines Kunststoff-Gehäuseteils für ein Leistungshalbleitermodul |
JP4242401B2 (ja) | 2006-06-29 | 2009-03-25 | 三菱電機株式会社 | 半導体装置 |
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