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  1. NTU Theses and Dissertations Repository
  2. 工學院
  3. 材料科學與工程學系
請用此 Handle URI 來引用此文件: http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/17583
完整後設資料紀錄
DC 欄位值語言
dc.contributor.advisor莊東漢
dc.contributor.authorHong-Yuan Chenen
dc.contributor.author陳鴻元zh_TW
dc.date.accessioned2021-06-08T00:23:06Z-
dc.date.copyright2013-07-26
dc.date.issued2013
dc.date.submitted2013-07-18
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dc.identifier.urihttp://tdr.lib.ntu.edu.tw/jspui/handle/123456789/17583-
dc.description.abstract近年來,半導體產業發展快速,各類電子產品也不斷進步,而在進步的同時也遇到不少瓶頸,例如電晶體尺寸不斷縮小,使其製程難度日益增加,讓其發展方向從二維轉向三維;由於LED功率不斷提高,以往的LED固晶方式無法滿足其需求,讓目前使用的構裝方式面臨考驗。本研究即使用新的構裝方式-固液擴散接合,利用鍍上一高熔點、一低熔點金屬薄膜,使其在低熔點金屬液化時即可反應成高熔點介金屬化合物,以達到低溫接合高溫應用的目的。
本研究第一部分即利用Sn薄膜作為低熔點金屬,晶片端的Cu及引腳架端的Ag作為高熔點金屬,來進行反應接合LED晶片,並研究各溫度及接合時間之試片的介金屬成長情形及接點強度。
本研究第二部分為利用固液擴散接合法進行3D-IC之構裝,此部分亦使用Cu/Sn系統作為主要材料,並且針對接合界面所產生的孔洞進行補強,方法為利用電鍍一層銀薄膜,使其在接合時形成Ag3Sn,即可達到填補因另一不平坦介金屬所產生之孔洞的目的。
本研究第一部分結果顯示,使用SLID接合法可達到低溫接合高溫應用的目的,其某些條件之接點強度也達到使用標準,故能使用本接合法來取代以往的LED固晶法,本研究第二部分結果顯示利用銀的介金屬化合物,可有效填補因其他扇貝狀介金屬化合物所造成的孔洞,使接點強度上升。
zh_TW
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dc.description.tableofcontents目錄
致謝…………………………………………………………………………………Ⅰ
摘要…………………………………………………………………………………Ⅱ
Abstract……………………………………………………………………………Ⅲ
目錄…………………………………………………………………………………Ⅴ
圖目錄………………………………………………………………………………Ⅶ
表目錄………………………………………………………………………………Ⅸ
第一章 前言…………………………………………………………………………1
1.1 發光二極體簡介……………………………………………………………1
1.2 3 Dimensional Integrated Circuits(3D-IC)簡介…………………5
第二章 文獻回顧……………………………………………………………………7
2.1 電子構裝及發展……………………………………………………………7
2.2 固液擴散接合簡介………………………………………………………11
2.3 介金屬性質文獻回顧……………………………………………………15
2.4 界面反應動力學…………………………………………………………18
2.4.1 界面控制反應……………………………………………………19
2.4.2 擴散控制反應……………………………………………………19
2.5 界面反應相關文獻回顧…………………………………………………20
第三章 實驗………………………………………………………………………25
3.1 LED 接合材料及設備………………………………………………………25
3.2 LED 接合實驗方法…………………………………………………………26
3.3 LED 接合強度測試………………………………………………………27
3.4 3D-IC 材料及設備………………………………………………………27
3.5 3D-IC 實驗方法……………………………………………………………28
第四章 結果與討論………………………………………………………………35
4.1 LED 接合介面反應 ………………………………………………………35
4.2 LED 介金屬成長動力學……………………………………………………42
4.3 LED 接合強度試驗…………………………………………………………44
4.4 3D-IC 界面反應……………………………………………………………53
4.5 3D-IC 接合強度測試………………………………………………………53
第五章 結論………………………………………………………………………56
第六章 參考文獻…………………………………………………………………57
圖目錄
圖1-1 常見LED元件結構示意圖[自繪]……………………………………………2
圖1-2 常見之LED結構圖:5mm LED及高效能LED[7]……………………………2
圖1-3 LED之溫度與發光效率關係圖[4]…………………………………………3
圖1-4 LED隨年代發展及其所需熱阻值變化[6]…………………………………3
圖1-5 晶片上之電晶體數量隨時間變化之成長趨勢[9]…………………………6
圖1-6 閘極長度隨時間變化之趨勢[10]…………………………………………6
圖2-1 電子構裝之四大目的[18]…………………………………………………9
圖2-2 電子構裝層次示意圖[19]…………………………………………………9
圖2-3 三種連線技術示意圖[20]…………………………………………………10
圖2-4 PTH及SMT各形式示意[18]………………………………………………10
圖2-5 固液擴散接合示意圖[自繪]………………………………………………16
圖2-6銅錫二元相圖[58]…………………………………………………………23
圖2-7銀錫二元相圖[58]…………………………………………………………24
圖2-8 銀銦二元相圖[58]…………………………………………………………24
圖3-1 本實驗所使用各試片界面金相圖(a)引腳架(b)矽晶片鍍銀薄膜(c)矽晶片……………………………………………………………………………………29
圖3-2 (a)SLID接合設備(b)試片加熱載台(c)加熱溫度控制器………………30
圖3-3 研磨拋光機(Buehler Metaserv 2000)…………………………………31
圖3-4 電子顯微鏡JEOL SEM,OXFORD Instruments EDS……………………31
圖3-5 Nordson Dage 4000慢速推球機…………………………………………32
圖3-6 LED接合實驗流程…………………………………………………………33
圖3-7 LED接合示意圖……………………………………………………………33
圖3-8 3D-IC實驗流程……………………………………………………………34
圖3-9 3D-IC接合示意圖…………………………………………………………34
圖4-1 Si/Cu晶片與Ag/Cu引腳架在250℃下接合(a)5分鐘(b)10分鐘(c)15分鐘之SEM界面介金屬金相…………………………………………………………37
圖4-2 Si/Cu晶片與Ag/Cu引角架在275℃下接合(a)5分鐘(b)10分鐘(c)15分鐘之SEM界面介金屬金相…………………………………………………………38
圖4-3 Si/Cu晶片與Ag/Cu引角架在300℃下接合(a)5分鐘(b)10分鐘(c)15分鐘之SEM界面介金屬金相…………………………………………………………39
圖4-4 Si/Cu晶片與Ag/Cu引角架在300℃下接合15分鐘之Line Scan以及四種元素(a)Si (b)Cu (c)Ag (d)Sn之分佈情形……………………………………40
圖4-5 Si/Cu晶片與Ag/Cu引角架在325℃下接合(a)5分鐘(b)10分鐘(c)15分鐘之界面介金屬金相………………………………………………………………41
圖4-6 Cu3Sn厚度(x)對反應時間(t)關係圖……………………………………43
圖4-7 將厚度x與時間t值取對數值之作圖…………………………………43
圖4-8 接點強度測試示意圖………………………………………………………46
圖4-9 接合250℃5及10分鐘之斷面成分分析 (a)250℃ 5分鐘(引腳架端) (b)250℃ 10分鐘(晶片端) (c)(d)250℃ 10分鐘混合區域放大………………47
圖4-10 接合250℃ 15分鐘之斷面成分分析(晶片端)(a)全斷面範圍 (b)混合區域放大………………………………………………………………………………48
圖4-11 275℃接合5分鐘之斷面成分分析及強度比較(引腳架端)(a)強度偏低(b)中強度(c)強度偏高…………………………………………………………………49
圖4-12 275℃接合15分鐘斷面成分分析(晶片端)(a)全貌 (b)混合區域放大……………………………………………………………………………………50
圖4-13 300℃接合5分鐘之斷面成分分析(晶片端)(a)高強度(b)低強度……51
圖4-14 325℃接合5分鐘之斷面成分分析(a)全貌(b)混合區域放大…………52
圖4-15 3D-IC未鍍銀接合250℃30分鐘界面形貌(a)(b)高倍率(c)低倍率…54
圖4-16 3D-IC鍍銀接合250℃30分鐘界面形貌(a)(b)高倍率(c)低倍率……55
表目錄
表1-1 常見之銲錫成分及熔點[15]………………………………………………4
表2-1 覆晶技術常見合金成分及性質[42]………………………………………17
表2-2 銅、錫、及四種常見介金屬之晶體結構及晶格常數[42]………………17
表3-1電鍍Sn鍍液配方及操作條件……………………………………………29
表3-2 電鍍Ag鍍液配方及操作條件……………………………………………29
表4-1 各接合參數之Cu3Sn平均厚度……………………………………………42
表 4-2各溫度時間之接合強度……………………………………………………46
dc.language.isozh-TW
dc.title低溫固液擴散接合在3D-IC及LED封裝之應用zh_TW
dc.titleApplication of low temperature solid-liquid interdiffusion bonding for 3D-IC and LED packagingen
dc.typeThesis
dc.date.schoolyear101-2
dc.description.degree碩士
dc.contributor.oralexamcommittee黃振東,王彰盟,鄭智元,謝慧霖
dc.subject.keyword低溫,固液擴散,接合,封裝,zh_TW
dc.subject.keyword3D-IC,LED,packaging,en
dc.relation.page60
dc.rights.note未授權
dc.date.accepted2013-07-18
dc.contributor.author-college工學院zh_TW
dc.contributor.author-dept材料科學與工程學研究所zh_TW
顯示於系所單位:材料科學與工程學系

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