JP7312814B2 - 電子装置および電子装置の製造方法 - Google Patents
電子装置および電子装置の製造方法 Download PDFInfo
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- JP7312814B2 JP7312814B2 JP2021509011A JP2021509011A JP7312814B2 JP 7312814 B2 JP7312814 B2 JP 7312814B2 JP 2021509011 A JP2021509011 A JP 2021509011A JP 2021509011 A JP2021509011 A JP 2021509011A JP 7312814 B2 JP7312814 B2 JP 7312814B2
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- 229910000679 solder Inorganic materials 0.000 claims description 18
- 239000007787 solid Substances 0.000 claims description 14
- 239000003822 epoxy resin Substances 0.000 claims description 6
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- 239000004065 semiconductor Substances 0.000 description 4
- 230000003746 surface roughness Effects 0.000 description 4
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- 238000007747 plating Methods 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
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- 238000003892 spreading Methods 0.000 description 2
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- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000003592 biomimetic effect Effects 0.000 description 1
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- 239000004332 silver Substances 0.000 description 1
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- 238000001721 transfer moulding Methods 0.000 description 1
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- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/495—Lead-frames or other flat leads
- H01L23/49541—Geometry of the lead-frame
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- H01L23/495—Lead-frames or other flat leads
- H01L23/49503—Lead-frames or other flat leads characterised by the die pad
- H01L23/49513—Lead-frames or other flat leads characterised by the die pad having bonding material between chip and die pad
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Description
[付記1]
電子部品と、
前記電子部品が搭載された搭載面を有する支持部材と、
前記電子部品と前記支持部材との間に介在し、前記電子部品を前記支持部材に固着させる接合材と、を備えており、
前記搭載面は、複数の溝が形成された第1領域、および、第1方向に見て前記第1領域を包囲する第2領域を有しており、
前記接合材は、前記第1領域に接しており、前記第2領域に接していない、電子装置。
[付記2]
前記接合材は、第1組成物の固体を含んでおり、
前記第1領域は、前記第1組成物の液体に対して親液性を示し、かつ、前記第2領域よりも、前記第1組成物の液体に対する親液性が高い、付記1に記載の電子装置。
[付記3]
前記第1組成物は、はんだである、付記2に記載の電子装置。
[付記4]
前記搭載面は、前記第1方向に見て、前記第1領域と前記第2領域との間に介在する第3領域をさらに有している、付記2または付記3のいずれかに記載の電子装置。
[付記5]
前記第3領域は、前記接合材が接する、付記4に記載の電子装置。
[付記6]
前記第3領域は、前記第1領域よりも、前記第1組成物の液体に対する親液性が高い、付記5に記載の電子装置。
[付記7]
前記第3領域は、Agめっきが施されている、付記5または付記6に記載の電子装置。
[付記8]
前記第3領域は、前記接合材が接していない、付記4に記載の電子装置。
[付記9]
前記第3領域は、前記第1領域および前記第2領域よりも窪んでいる、付記8に記載の電子装置。
[付記10]
前記第3領域は、前記第1組成物の液体に対して撥液性を示す、付記8に記載の電子装置。
[付記11]
前記電子部品および前記搭載面を覆う樹脂部材をさらに備えており、
前記樹脂部材は、第2組成物の固体を含んでいる、付記1ないし付記10のいずれかに記載の電子装置。
[付記12]
前記第2領域は、前記第2組成物の液体に対して親液性を示す、付記11に記載の電子装置。
[付記13]
前記第2組成物は、エポキシ樹脂である、付記11または付記12に記載の電子装置。
[付記14]
前記支持部材は、前記搭載面を有するダイパッド部と、前記ダイパッド部から離間した端子リード部とを含んでいる、付記1ないし付記13のいずれかに記載の電子装置。
[付記15]
前記ダイパッド部の表層は、Cuを含んだ金属である、付記14に記載の電子装置。
[付記16]
前記電子部品と前記端子リード部とを導通させる接続部材をさらに備えている、付記14または付記15に記載の電子装置。
[付記17]
前記第2領域は、複数の溝が形成されており、
前記第2領域の前記複数の溝は、前記第1領域の前記複数の溝と、異なる、付記1ないし付記16のいずれかに記載の電子装置。
[付記18]
前記第1領域の前記複数の溝の幅は、前記第2領域の前記複数の溝の幅よりも、大きい、付記17に記載の電子装置。
[付記19]
前記第1領域の前記複数の溝の配置間隔は、前記第2領域の前記複数の溝の配置間隔よりも、大きい、付記17または付記18に記載の電子装置。
[付記20]
前記第1領域の前記複数の溝は、それぞれ線状であり、かつ、互いに平行に配置されている、付記17ないし付記19のいずれかに記載の電子装置。
[付記21]
前記第2領域の前記複数の溝は、それぞれ線状であり、かつ、互いに平行に配置されている、付記17ないし付記20のいずれかに記載の電子装置。
[付記22]
前記第1領域は、前記第1方向に見て矩形状である、付記1ないし付記21のいずれかに記載の電子装置。
[付記23]
搭載面を有する支持部材を準備する第1工程と、
前記搭載面に、第1領域、および、第1方向に見て前記第1領域を包囲する第2領域を形成する第2工程と、
前記第1領域に接合材を塗布する第3工程と、
前記接合材の上に電子部品を載置する第4工程と、
前記接合材を加熱および冷却し、前記接合材によって前記電子部品を前記支持部材に固着させる第5工程と、を有しており、
前記第2工程において、前記搭載面の一部に複数の溝を形成することで前記第1領域を形成し、
前記第5工程の後の前記接合材は、前記第1領域に接しており、前記第2領域に接していない、電子装置の製造方法。
Claims (22)
- 電子部品と、
前記電子部品が搭載された搭載面を有する支持部材と、
前記電子部品と前記支持部材との間に介在し、前記電子部品を前記支持部材に固着させる接合材と、を備えており、
前記搭載面は、複数の溝が形成された第1領域、および、第1方向に見て前記第1領域を包囲する第2領域、および、前記第1方向に見て前記第1領域と前記第2領域との間に介在する第3領域を有しており、
前記接合材は、前記第1領域に接しており、前記第2領域に接しておらず、
前記接合材は、第1組成物の固体を含んでおり、
前記第1領域は、前記第1組成物の液体に対して親液性を示し、かつ、前記第2領域よりも、前記第1組成物の液体に対する親液性が高く、
前記第3領域には、前記接合材が接しており、
前記第3領域は、前記第1領域よりも、前記第1組成物の液体に対する親液性が高い、電子装置。 - 前記第3領域は、前記接合材が接する、請求項1に記載の電子装置。
- 前記第3領域は、前記第1領域よりも、前記第1組成物の液体に対する親液性が高い、請求項2に記載の電子装置。
- 前記第3領域は、Agめっきが施されている、請求項2または請求項3に記載の電子装置。
- 電子部品と、
前記電子部品が搭載された搭載面を有する支持部材と、
前記電子部品と前記支持部材との間に介在し、前記電子部品を前記支持部材に固着させる接合材と、を備えており、
前記搭載面は、複数の溝が形成された第1領域、および、第1方向に見て前記第1領域を包囲する第2領域、および、前記第1方向に見て前記第1領域と前記第2領域との間に介在する第3領域を有しており、
前記接合材は、前記第1領域に接しており、前記第2領域に接しておらず、
前記接合材は、第1組成物を含んでおり、
前記第3領域は、前記接合材が接していない、電子装置。 - 前記第3領域は、前記第1領域および前記第2領域よりも窪んでいる、請求項5に記載の電子装置。
- 前記第3領域は、前記第1組成物の液体に対して撥液性を示す、請求項5に記載の電子装置。
- 前記接合材は、前記第1組成物の固体を含んでおり、
前記第1領域は、前記第1組成物の液体に対して親液性を示し、かつ、前記第2領域よりも、前記第1組成物の液体に対する親液性が高い、請求項5ないし請求項7のいずれか一項に記載の電子装置。 - 前記第1組成物は、はんだである、請求項1ないし請求項8のいずれか一項に記載の電子装置。
- 前記電子部品および前記搭載面を覆う樹脂部材をさらに備えており、
前記樹脂部材は、第2組成物の固体を含んでいる、請求項1ないし請求項9のいずれか一項に記載の電子装置。 - 前記第2領域は、前記第2組成物の液体に対して親液性を示す、請求項10に記載の電子装置。
- 前記第2組成物は、エポキシ樹脂である、請求項10または請求項11に記載の電子装置。
- 前記支持部材は、前記搭載面を有するダイパッド部と、前記ダイパッド部から離間した端子リード部とを含んでいる、請求項1ないし請求項12のいずれか一項に記載の電子装置。
- 前記ダイパッド部の表層は、Cuを含んだ金属である、請求項13に記載の電子装置。
- 前記電子部品と前記端子リード部とを導通させる接続部材をさらに備えている、請求項13または請求項14に記載の電子装置。
- 前記第2領域は、複数の溝が形成されており、
前記第2領域の前記複数の溝は、前記第1領域の前記複数の溝と、異なる、請求項1ないし請求項15のいずれか一項に記載の電子装置。 - 前記第1領域の前記複数の溝の幅は、前記第2領域の前記複数の溝の幅よりも、大きい、請求項16に記載の電子装置。
- 前記第1領域の前記複数の溝の配置間隔は、前記第2領域の前記複数の溝の配置間隔よりも、大きい、請求項16または請求項17に記載の電子装置。
- 前記第1領域の前記複数の溝は、それぞれ線状であり、かつ、互いに平行に配置されている、請求項16ないし請求項18のいずれか一項に記載の電子装置。
- 前記第2領域の前記複数の溝は、それぞれ線状であり、かつ、互いに平行に配置されている、請求項16ないし請求項19のいずれか一項に記載の電子装置。
- 前記第1領域は、前記第1方向に見て矩形状である、請求項1ないし請求項20のいずれか一項に記載の電子装置。
- 搭載面を有する支持部材を準備する第1工程と、
前記搭載面に、第1領域、第1方向に見て前記第1領域を包囲する第2領域、および、前記第1方向に見て前記第1領域と前記第2領域との間に介在する第3領域を形成する第2工程と、
前記第1領域に接合材を塗布する第3工程と、
前記接合材の上に電子部品を載置する第4工程と、
前記接合材を加熱および冷却し、前記接合材によって前記電子部品を前記支持部材に固着させる第5工程と、
を有しており、
前記第2工程において、前記搭載面の一部に複数の溝を形成することで前記第1領域を形成し、
前記第5工程の後の前記接合材は、前記第1領域および前記第3領域に接しており、前記第2領域に接しておらず、
前記第5工程の後の前記接合材は、第1組成物の固体を含んでおり、
前記第1領域は、前記第1組成物の液体に対して親液性を示し、かつ、前記第2領域よりも、前記第1組成物の液体に対する親液性が高く、
前記第3領域は、前記第1領域よりも、前記第1組成物の液体に対する親液性が高い、電子装置の製造方法。
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