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環氧樹脂紫外光劣化問題 (Research & Develop) |
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LED發光元件散熱及熱膨脹係數 (Research & Develop) |
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Coefficient of Thermal Expansion/LED Packaging (Research & Develop) |
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熱膨脹係數/Coefficient of Thermal Expansion (Research & Develop) |
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OSRAM's LED lighting (Research & Develop) |