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可三維堆疊鰭式及超薄通道電晶體

3D Stackable FinFETs and UTB Transistors

摘要


近年來我們利用尖峰式雷射結晶(Pulse Laser Crystallization)技術,在多種材料上成長高品質的多晶矽材料,我們稱之為“類晶矽”(Epi-like Si),其材料特性已接近結晶矽,我們將其製作成鰭式電晶體(Fin Field-effect Transistor,FINFETs)及超薄通道(Ultra Thin Body,UTB)電晶體,相較於在矽晶圓(Bulk Si Wafer)上製作電晶體,此SOI(Silicone-on-insulator)結構所製作出的電晶體有較低漏電流,較低能量損耗,高速度等優點,目前鰭式電晶體已可以做到通道寬度/閘極長度在50奈米/50奈米,超薄通道電晶體矽通道(Channel)厚度可降低至30奈米以內,並且有相當優良之電晶體特性,相較於目前半導體製程溫度動輒800℃以上,我們的製程溫度都控制在450℃以下,利於未來發展更多樣的累加型三維堆疊元件及晶片。

並列摘要


Recently, we utilized pulse laser crystallization technology to fabricate high quality poly-Si material, so call epi-like Si. With this epi-like Si, we have fabricated high performance FINFETs (Fin Field-Effect Transistor) and UTB (Ultra-Thin Body) transistors on SiO2/Si wafer. Devices with lower leakage current, lower energy consumption and higher operating speed can be performed with this silicone-on-insulator (SOI) structure. FINFETs with 50nm/50nm (width/length) gate and UTB with ultra thin Si channel (<20 nm) have been demonstrated. The electrical properties of these devices perform quit well. As compare to high temperature process used in conventional semiconductor industry, our process temperature is lower than 450℃. This low thermal budget technology benefits for realizing various monolithic 3D devices and circuits in the future.

並列關鍵字

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被引用紀錄


鄭森文(2015)。第四族半導體合金於先進奈米元件應變工程之分析與研究〔碩士論文,中原大學〕。華藝線上圖書館。https://doi.org/10.6840/cycu201500858

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