TSXDET1612 封測需求的爆發也導致其上游材料陷入了緊缺狀態,其中,封裝基板是所有封測上游材料中最為緊缺的產品。筆者從業內了解到,在封裝基板缺貨最嚴重的時期,封測廠商給下游客戶的交期長達1年。
FC-BGA基板核心材料ABF被壟斷
早在2020年11月,集微網就了解到,業內FC-BGA基板的缺貨非常嚴重,當時該類型的基板交期已經高達10到12個月,特別是8層、12層的產品交期更長,而且基板廠還不一定接客戶訂單。
FC-BGA基板是能夠實現LSI芯片高速化與多功能化的高密度半導體封裝基板,可應用于CPU、GPU、高端服務器、網絡路由器/轉換器用ASIC、高性能游戲機用MPU、高性能ASSP、FPGA以及車載設備中的ADAS等。
對此,集微網采訪某國內半導體封測領域得知,因為疫情的出現,CPU、GPU等LSI芯片需求量倍增,從而帶動大尺寸的FC-BGA基板去年一整年都處于產能緊缺的狀態,而FC-BGA基板缺貨的根本原因在于其核心材料ABF缺貨。
此前,業內就曾多次傳出ABF供應不足的傳聞。有媒體報道稱,自2020年秋季開始,臺積電的ABF存貨就不足了。此外,有產業鏈人士透露,ABF的交付周期已經長達30周。
“ABF(AjinomotoBuild-upFilm:味之素堆積膜)被日本的一家生產味精的廠商味之素所壟斷,但需求爆發太快,產能跟不上,而日本廠商在擴充方面相對而言較為謹慎。”
資料顯示,味之素是世界上的氨基酸供應商之一,產品涉及食品、藥品等多個領域。業內人士指出,ABF材料缺貨預計持續到2022年,味之素現在只對此前已經有下訂單的客戶才能給出交期,對新客戶就根本不接單了。
由于該領域存在壟斷性質,下游封測廠商除了開發新的基板供應商,對因上游ABF材料缺貨,引發的FC-BGA基板產能緊缺問題基本沒有解決辦法。
集微網從業內了解到,封裝基板主要分為FC-BGA/PGA/LGA、FC-CSP、FC-BOC、WB-PBGA、WB-CSP、RF&DigitalModule.六大類產品。
其中,FC-BGA是整個封裝基板領域中產值的產品,占比高達4成,但國內基板廠商尚未量產FC-BGA產品,封測廠商主要向日韓臺基板廠商采購FC-BGA基板。
不過,深南電路、珠海越亞、興森科技、華進等幾家內資廠商均布局了FC-BGA基板業務,其中珠海越亞已經進入打樣階段。
常規封裝基板交期長達3個月或半年
事實上,封裝基板處于產能緊缺的狀態已經超過一年時間了,缺貨的也不僅僅是FC-BGA基板,其他類型的封裝基板同樣很缺。
2020年,臺系封裝基板大廠欣興電子曾發生多次失火事件,讓原本就缺貨的基板行業更是雪上加霜。
知情人士表示,欣興失火燒掉了很多芯片尺寸覆晶封裝(FC-CSP)載板,導致該產品在短時間內市場缺貨極度嚴重。
據了解,FC-CSP載板可實現產品的輕薄、小型、高密度化,主要用于智能手機、數碼相機等消費電子以及5G相關領域。
業內人士表示,從目前的市場情況來看,大尺寸的FC-BGA基板缺貨最為嚴重,其他常規的封裝基板缺貨也很嚴重,交期基本都在三個月到半年,有的甚至是一年,預計到2022年才能逐步回歸到相對正常的水平。
據介紹,常規的封裝基板并不需要ABF材料,只需要BT樹脂即可,BT樹脂的供應商包括日本三菱瓦斯化學公司以及日立化成等,相對ABF而言,BT樹脂的產能較為充足,但因為封測市場的需求量忽然暴增,常規封裝基板廠商的產能也完全跟不上。
值得一提的是,相對基于ABF材料生產的封裝基板,常規的封裝基板產能提升較為簡單。業內人士指出,只要基板廠擴產,常規的封裝基板缺貨就能得以緩解。
在常規的封裝基板領域,深南電路、興森快捷、珠海越亞等內資廠商的產品已經量產,技術也相對成熟,且已經陸續宣布擴產。
不過,由于國內廠商生產規模有限,因此在成本方面并不占據優勢。業內人士認為,隨著國內基板廠商規模逐步擴大,后續成本優勢會很明顯。
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