什(shen)麽是(shi)COB邦定,它是什(shen)麽封(feng)裝流程?
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什(shen)麽是(shi)COB邦定,它是什(shen)麽封(feng)裝流程?COB(Chip On Board) :通(tong)過(guo)幫定(ding)將IC裸片固定(ding)於印(yin)刷線(xian)路板(ban)上,然後用(yong)金線(xian)將晶(jing)圓電(dian)路連接到電(dian)路板(ban)上,這(zhe)種工藝的流(liu)程是(shi)將已(yi)經(jing)測試好(hao)的(de)晶圓植(zhi)入到(dao)特制的電(dian)路板(ban)上。

壹(yi)般電(dian)路與(yu)管(guan)腳(jiao)連接後,用(yong)黑(hei)色膠(jiao)體將芯片(pian)封(feng)裝,同時(shi)采用(yong)先(xian)進(jin)的外封(feng)裝技術COB.(板上芯片(pian)封(feng)裝) 邦定是(shi)英(ying)文“bonding”的(de)音(yin)譯,是芯片(pian)生產(chan)工(gong)藝中壹(yi)種打線(xian)的方(fang)式(shi),壹(yi)般用(yong)於(yu)封(feng)裝前將芯片(pian)內部(bu)電(dian)路用(yong)金線(xian)與封(feng)裝管(guan)腳(jiao)連接。
COB的封(feng)裝流程,其主要(yao)是為(wei):擴晶—背(bei)膠(jiao)—LED晶片(pian)刺在印(yin)刷線(xian)路板(ban)上—銀(yin)漿(jiang)固化(hua)—粘(zhan)芯片(pian)—烘幹(gan)—綁(bang)定(ding)—前測—點膠(jiao)—固化(hua)—後測。
以上是(shi)關於(yu)“什(shen)麽是(shi)COB邦定,它是什(shen)麽封(feng)裝流程”的介(jie)紹(shao),希望對大家(jia)有(you)壹(yi)定的(de)幫(bang)助(zhu),更多(duo)PCBA資(zi)訊(xun)請(qing)關(guan)註本(ben)站的內容(rong)更(geng)新(xin)!深圳市潤澤(ze)五(wu)洲(zhou)電(dian)子(zi)科(ke)技有(you)限(xian)公(gong)司(si)是壹(yi)家(jia)專業(ye)的(de)PCBA加工(gong)企業(ye),擁(yong)有(you)全自(zi)動SMT生產(chan)線(xian)和(he)波(bo)峰(feng)焊(han),為(wei)您(nin)全(quan)程(cheng)開放生(sheng)產和(he)質(zhi)量檢(jian)測過(guo)程,找(zhao)到(dao)我(wo)們(men),您就屬(shu)於(yu)有(you)了自(zi)己(ji)的電(dian)子(zi)加工(gong)廠!
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