JP5829501B2 - 半導体素子画像認識装置及び半導体素子画像認識方法 - Google Patents
半導体素子画像認識装置及び半導体素子画像認識方法 Download PDFInfo
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- 239000004065 semiconductor Substances 0.000 title claims description 114
- 238000000034 method Methods 0.000 title claims description 18
- 239000011347 resin Substances 0.000 claims description 73
- 229920005989 resin Polymers 0.000 claims description 73
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 36
- 238000003384 imaging method Methods 0.000 claims description 31
- 230000003287 optical effect Effects 0.000 claims description 12
- 230000001678 irradiating effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Description
まず、図2乃至図4に基づいて撮像対象であるLED搭載物(半導体素子搭載物)の構造を説明する。
但し、本発明は、液滴吐出法で配線17を形成する構成に限定されず、ワイヤボンディングで配線しても良いことは言うまでもない。
但し、本発明は、LED素子等の半導体素子の画像認識のためのみに蛍光体を樹脂に混入した構成としても良い。
Claims (7)
- 半導体素子の周囲を樹脂で取り囲むように搭載した半導体素子搭載物をその装着面側から撮像装置で撮像して該半導体素子の形状を画像認識する半導体素子画像認識装置において、
前記半導体素子搭載物の装着面に光を照射する光源を備え、
前記半導体素子の周囲を取り囲む樹脂には、前記光源から照射された光により蛍光を発する蛍光体が混入され、
前記撮像装置には、前記半導体素子搭載物の装着面で反射された反射光をカットして前記樹脂中の蛍光体からの蛍光を透過させる光学フィルタが装着され、
前記光源から前記半導体素子搭載物の装着面に光を照射して前記半導体素子の周囲を取り囲む樹脂中の蛍光体を発光させた状態で、該半導体素子搭載物の装着面を前記光学フィルタを通して前記撮像装置で撮像して、前記蛍光体の蛍光で明るくなった前記樹脂で取り囲まれた前記半導体素子の形状を画像認識することを特徴とする半導体素子画像認識装置。 - 前記半導体素子は、発光素子であり、
前記半導体素子の周囲を取り囲む前記樹脂は、透明樹脂であり、該樹脂に混入された前記蛍光体は、前記発光素子の周囲から放射される光を他の波長の光に変換する蛍光体であることを特徴とする請求項1に記載の半導体素子画像認識装置。 - 前記撮像装置で前記半導体素子搭載物を撮像した画像に基づいて前記半導体素子の位置を画像認識する手段を備えていることを特徴とする請求項1又は2に記載の半導体素子画像認識装置。
- 前記撮像装置で前記半導体素子搭載物を撮像した画像に基づいて前記半導体素子の周囲を取り囲む前記樹脂の形状を画像認識して該樹脂の充填不良の有無を判定する手段を備えていることを特徴とする請求項1乃至3のいずれかに記載の半導体素子画像認識装置。
- 前記樹脂上に前記半導体素子の装着面側の電極部と接続する配線が液滴吐出法で形成されていることを特徴とする請求項1乃至4のいずれかに記載の半導体素子画像認識装置。
- 前記半導体素子搭載物には、前記半導体素子の装着面側が露出するように搭載されていることを特徴とする請求項1乃至5のいずれかに記載の半導体素子画像認識装置。
- 半導体素子の周囲を樹脂で取り囲むように搭載した半導体素子搭載物をその装着面側から撮像装置で撮像して該半導体素子の形状を画像認識する半導体素子画像認識方法において、
前記半導体素子の周囲を取り囲む樹脂には、光源から照射された光により蛍光を発する蛍光体を混入すると共に、前記撮像装置には、前記半導体素子搭載物の装着面で反射された反射光をカットして前記樹脂中の蛍光体からの蛍光を透過させる光学フィルタを装着し、
前記光源から前記半導体素子搭載物の装着面に光を照射して前記半導体素子の周囲を取り囲む樹脂中の蛍光体を発光させた状態で、該半導体素子搭載物の装着面を前記光学フィルタを通して前記撮像装置で撮像して、前記蛍光体の蛍光で明るくなった樹脂で取り囲まれた前記半導体素子の形状を画像認識することを特徴とする半導体素子画像認識方法。
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PCT/JP2012/080581 WO2013080956A1 (ja) | 2011-12-01 | 2012-11-27 | 半導体素子画像認識装置及び半導体素子画像認識方法 |
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JP7446156B2 (ja) * | 2020-05-21 | 2024-03-08 | 三菱電機株式会社 | 半導体装置、電力変換装置、半導体装置の検査方法、半導体装置の製造方法、学習装置および推論装置 |
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