TW202213697A - 具有用於emi屏蔽層接地之導電底膠圍堰的半導電裝置總成及其製造方法 - Google Patents
具有用於emi屏蔽層接地之導電底膠圍堰的半導電裝置總成及其製造方法 Download PDFInfo
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Abstract
本發明提供一種半導體裝置總成。該總成包括一基板,該基板包括具有複數個內部接觸墊及至少一個接地墊之一上表面以及具有複數個外部接觸墊之一下表面。該總成進一步包括耦接至該複數個內部接觸墊之一半導體晶粒、耦接至該至少一個接地墊之一導電底膠圍堰,及至少安置在該半導體晶粒與該基板之間的底膠材料。該底膠材料包括在該半導體晶粒與該底膠圍堰之間的一鑲角片。該總成進一步包括安置在該半導體晶粒、該鑲角片及該導電底膠圍堰上方之一導電EMI屏蔽層。
Description
本發明大體上係關於半導體裝置總成,且更具體言之,係關於具有使EMI屏蔽層接地之導電底膠圍堰的半導體裝置總成及其製造方法。
微電子裝置大體上具有晶粒(
即,晶片),該晶粒包括具有高密度之極小部件之積體電路系統。通常,晶粒包括電耦接至積體電路系統之極小接合墊陣列。接合墊為外部電接觸件,供應電壓、信號等藉由該接合墊傳輸至積體電路系統並自積體電路進行傳輸。在形成晶粒之後,「封裝」晶粒以將接合墊耦接至可較容易地耦接至各種電力供應線、信號線及接地線之較大電端子陣列。用於囊封晶粒之習知製程包括將晶粒上之接合墊電耦接至引線陣列、球墊或其他類型之電端子,且囊封晶粒以保護其免受環境因素(
例如,濕氣、微粒、靜電及實體衝擊)之影響。
在一實施例中,一種半導體裝置總成包含:基板,其包括具有複數個內部接觸墊及至少一個接地墊之上表面以及具有複數個外部接觸墊之下表面;半導體晶粒,其耦接至該複數個內部接觸墊;導電底膠圍堰,其耦接至該至少一個接地墊;底膠材料,其至少安置在該半導體晶粒與該基板之間,該底膠材料包括在該半導體晶粒與該底膠圍堰之間的鑲角片;及導電EMI屏蔽層,其安置在該半導體晶粒、該鑲角片及該導電底膠圍堰上方。
在另一實施例中,一種製造半導體裝置總成之方法包含:提供基板,該基板包括具有複數個內部接觸墊及至少一個接地墊之上表面以及具有複數個外部接觸墊之下表面;在該基板之該上表面上方形成導電底膠圍堰,且該導電底膠圍堰與該至少一個接地墊電接觸;將半導體晶粒安置在該複數個內部接觸墊上方,且該半導體晶粒與該複數個內部接觸墊電接觸;將底膠材料至少施配在該半導體晶粒與該基板之間,該底膠材料包括該半導體晶粒與該底膠圍堰之間的鑲角片;及在該半導體晶粒、該鑲角片及該導電底膠圍堰上方形成導電EMI屏蔽層。
在另一實施例中,一種半導體裝置總成包含:基板,其包括具有複數個內部接觸墊及至少一個接地墊之上表面以及具有複數個外部接觸墊之下表面;至少一個半導體晶粒,其耦接至該複數個內部接觸墊;導電底膠圍堰,其耦接至該至少一個接地墊;底膠材料,其至少安置在該至少一個半導體晶粒與該基板之間,該底膠材料包括該半導體晶粒與該底膠圍堰之間的鑲角片;導電EMI屏蔽層,其安置在該至少一個半導體晶粒、該鑲角片及該導電底膠圍堰上方;及囊封材料,其至少部分地囊封該導電EMI屏蔽層。
下文描述半導體裝置之若干實施例及相關聯系統及方法之具體細節。熟習此項技術者將認識到,本文所描述之方法之合適階段可在晶圓級或在晶粒級執行。因此,取決於其使用情境,術語「基板」可指晶圓級基板或單分之晶粒級基板。此外,除非情境另有指示,否則可使用習知之半導體製造技術來形成本文中所揭示之結構。舉例而言,可使用化學氣相沈積、實體氣相沈積、原子層沈積、鍍覆、無電鍍敷、旋塗及/或其他合適之技術沈積材料。類似地,例如,可使用電漿蝕刻、濕式蝕刻、化學機械平坦化或其他合適之技術來移除材料。
一些封裝半導體裝置包括在囊封之半導體裝置上方及周圍之共形導電塗層,以提供對電磁干擾(EMI)之屏蔽。提供此種EMI屏蔽層之一種方法涉及在將諸如銅、鋁或其合金之金屬以覆晶配置安裝在基板上之後及在已經在晶粒與基板之間的互連件周圍施配了底膠之後,在晶粒上方濺鍍金屬(
例如,以防止濺鍍屏蔽層與裝置至封裝之互連件之間的無意電接觸)。在圖1中藉由實例說明了此種總成。
如參考圖1可看出,經屏蔽半導體裝置總成100包括其上安裝有半導體晶粒102之基板101 (
例如,以覆晶配置在基板101上之接觸件103與半導體晶粒102上之對應墊之間形成複數個互連件)。基板101進一步包括封裝級接觸墊104,用於藉由基板101中之跡線、線、通孔及其他電連接結構(未展示)向半導體晶粒102 (例如,電力、接地及I/O信號)(例如,經由焊球)提供外部連接,該基板將封裝級接觸墊104電連接至接觸件103。在半導體晶粒102與基板101之間提供底膠材料105 (例如,毛細管底膠)以向互連件及接觸件103提供電絕緣。共形EMI屏蔽層106設置在半導體晶粒102、半導體晶粒102之陰影外部之底膠材料105之部分(例如,鑲角片)及未被底膠材料覆蓋之基板101之部分上方。為了促進使EMI屏蔽層106接地,基板101之未覆蓋部分可包括接地墊107 (
例如,藉由基板之電連接結構連接至封裝級接觸墊104及/或接觸件103中接地之一者的接地墊)。在EMI屏蔽層106上方及周圍提供囊封材料109 (
例如,模製樹脂化合物等),以防止與之電接觸並向總成提供機械強度及保護。
此種配置之一個缺點為與在半導體晶粒102之豎直側壁上方共形地濺鍍EMI屏蔽層106相關聯之挑戰。因為濺鍍通常為定向塗覆技術,因此EMI屏蔽層106將在半導體晶粒102之豎直側壁上比在具有距豎直更遠之斜率之其他區中薄(
例如,半導體晶粒102之水平上表面、倒鑲角片底膠材料105之成角表面、基板101之未覆蓋部分之水平表面
等)。由於厚度上之此種差異,濺鍍製程有時可能無法對半導體晶粒102之豎直側壁提供足夠之覆蓋,使得可在EMI屏蔽層106之通常豎直之區106a中形成開口,從而損害其效能。此外,因為在EMI屏蔽層106形成之前,在底膠材料105之施配期間,可部分或完全覆蓋接地墊107,因此EMI屏蔽層106與接地墊107之間的可靠電接觸還可能受到損害。
為了解決此等缺點及其他缺點,本申請案之各種實施例提供半導體裝置總成,其中提供了接地之底膠圍堰。接地之底膠圍堰可限制底膠材料之鑲角片,使得覆蓋半導體晶粒之豎直側壁中之至少一些且甚至全部,從而提供可可靠地形成濺鍍EMI屏蔽層之傾斜表面。接地之底膠圍堰可在施配底膠之前進一步連接至總成之基板上之一或多個接地接觸件,以實現EMI屏蔽層之更可靠之電連接。
圖2為根據本發明技術之實施例之半導體裝置總成200的簡化示意性橫截面圖。如參考圖2可看出,總成200包括其上安裝有半導體晶粒202之基板201 (
例如,以覆晶配置在基板201上之接觸件203與半導體晶粒202上之對應墊之間形成複數個互連件)。基板201可進一步包括封裝級接觸墊204,用於藉由基板201中之跡線、線、通孔及其他電連接結構(未展示)向半導體晶粒202 (例如,電力、接地及I/O信號)(例如,經由焊球)提供外部連接,該基板將封裝級接觸墊204電連接至接觸件203。在半導體晶粒202與基板201之間可提供底膠材料205 (例如,毛細管底膠)以向互連件及接觸件203提供電絕緣。
根據本發明之一個態樣,總成200可進一步包括至少部分地包圍半導體晶粒202之一或多個底膠圍堰,諸如底膠圍堰208。底膠圍堰208可經組態(例如,藉由選擇距半導體晶粒202之外邊緣之高度及橫向距離)以限制底膠材料205之鑲角片,使得該鑲角片(
例如,基於底膠材料205之傾斜角,該傾斜角為由於該底膠材料與半導體晶粒202之材料之黏附性、其黏度、其體積
等形成之)覆蓋半導體晶粒202之豎直側壁之至少一部分(
例如,至少一半、至少三分之二、基本上所有
等)。由於如此受限制之鑲角片提供比半導體晶粒202之側壁更水平之表面(例如,自豎直方向進一步傾斜),因此在形成鑲角片之後形成(
例如,濺鍍)之共形EMI屏蔽層206之厚度均勻性將大於圖1所示之屏蔽層106。總成200可進一步包括在EMI屏蔽層206上方及周圍提供囊封材料209 (例如,模製樹脂化合物等),以防止與之電接觸並向總成提供機械強度及保護。
根據本發明之另一態樣,因為底膠圍堰208係在施配底膠材料205之前形成的,因此其可與諸如接地墊207之一或多個接地墊(例如,藉由基板之電連接結構連接至封裝級接觸墊204及/或接觸件203中接地之一者的接地墊)接觸形成(例如,藉由電鍍在合適之位置建立,單獨形成並用焊料黏附),而不存在因施配底膠材料而首先污染接地墊之風險。
圖3為根據本發明技術之實施例之半導體裝置總成300的簡化示意性部分平面圖。如參考圖3可看出,總成300包括基板301,其中半導體晶粒302已經(例如,以覆晶配置)安置在該基板上。總成300進一步包括至少部分地包圍半導體晶粒302之底膠圍堰308。在此態樣,如圖3之實施例所示,底膠圍堰308通常可為環形的,使得其連續地包圍半導體晶粒302。然而,在替代實施例中,底膠圍堰不需要為完全連續的(
例如,其可包括一或多個開口,或由多個離散及斷開元件形成)。儘管在當前實例實施例中,底膠圍堰308說明為連接至單個接地墊307,但在其他實施例中,可提供半導體裝置總成,其中一或多個底膠圍堰連接至多個接地墊(
例如,多個離散元件之底膠圍堰各自接至墊,或者一或多個元件之底膠圍堰各自連接至多個接地墊)。
圖4至圖9為說明根據本發明技術之實施例之半導體裝置總成的一系列製造步驟之簡化示意性橫截面圖。自圖4開始,(
例如,呈晶圓級、面板級、條級或在一些實施例中,被預單分的)基板401具有經配置以與半導體晶粒之接觸件對準之一或多個接觸件403 (下文更詳細地闡述)、一或多個封裝級接觸件404 (
例如,其藉由跡線、線、通孔及熟習此項技術者容易理解之其他電連接結構連接至接觸件403),及一或多個接地墊407 (
例如,其藉由基板之電連接結構連接至封裝級接觸墊404及/或接觸件403中之對應接地之一者的接地墊)。
轉向圖5,可在經組態以容納半導體裝置之複數個接觸件403中之每一者周圍提供接地之底膠圍堰508。底膠圍堰508可經組態(
例如,藉由選擇將設置在對應複數個接觸件403上之距半導體晶粒之外邊緣之高度及橫向距離)以限制底膠材料之鑲角片,使得該鑲角片(
例如,基於底膠材料之傾斜角,該傾斜角係由於該底膠材料與半導體晶粒之材料之黏附性、其黏度、其體積
等形成之)覆蓋半導體晶粒之豎直側壁之至少一部分(
例如,至少一半、至少三分之二、基本上所有
等)。
接下來轉向圖6,可在複數個接觸件403中之每一者上提供諸如半導體晶粒602之一或多個半導體晶粒(
例如,單個晶粒或晶粒堆疊),且(
例如,藉由對應之複數個互連件,諸如焊球、銅柱、銅凸塊、直接Cu-Cu冷焊
等)將其電耦接至複數個接觸件中之每一者。現在轉向圖7,在每個半導體晶粒602與基板401之間施配底膠材料705。藉由組態底膠圍堰508之高度及橫向間距(
例如,自相應半導體晶粒602之外豎直表面開始),可控制在鄰近每個半導體晶粒602之每側形成之底膠材料705之鑲角片之大小及形狀,以提供每個半導體晶粒之側壁之至少一些(
例如,至少一半、至少三分之二、基本上所有
等)之覆蓋,從而提供傾斜(
例如,非豎直)表面,在該表面上可更均勻之厚度可靠地形成濺鍍EMI屏蔽層。
根據本發明之一個實施例,此種經濺鍍EMI屏蔽層806之形成在圖8中說明。如參考圖8可看出,由於底膠材料705之鑲角片之組態,經濺鍍EMI屏蔽層806通常可無豎直部分。轉向圖9,囊封材料909 (
例如,模塑樹脂等)可提供在附接至墊404之EMI屏蔽層806、焊球或其他封裝互連件上方,且可(例如,沿切割道(dicing street) 910)單分個別總成以完成製程。
儘管在前述實例實施例中,半導體裝置總成已用延伸至半導體晶粒之豎直側壁之頂部之底膠材料之鑲角片說明,但在其他實施例中,總成可具有僅向上延伸至半導體晶粒之豎直側壁一部分(例如,向上小於一半、僅向上三分之二、向上90%
等)之底膠材料之鑲角片。根據本發明技術之實施例,圖10中以簡化示意性橫截面圖說明了一個此種總成1000。如參考圖10可看出,總成1000包括其上安裝有半導體晶粒1002之基板1001 (
例如,以覆晶配置在基板1001上之接觸件1003與半導體晶粒1002上之對應墊之間形成複數個互連件)。基板1001可進一步包括封裝級接觸墊1004,用於藉由基板1001中之跡線、線、通孔及其他電連接結構(未展示)向半導體晶粒1002 (
例如,電力、接地及I/O信號)(
例如,經由焊球)提供外部連接,該基板將封裝級接觸墊1004電連接至接觸件1003。在半導體晶粒1002與基板1001之間可提供底膠材料1005 (
例如,毛細管底膠)以向互連件及接觸件1003提供電絕緣。
根據本發明之一個態樣,總成1000可進一步包括至少部分地包圍半導體晶粒1002之一或多個底膠圍堰,諸如底膠圍堰1008。底膠圍堰1008可經組態(
例如,藉由選擇距半導體晶粒1002之外邊緣之高度及橫向距離)以限制底膠材料1005之鑲角片,使得該鑲角片(
例如,基於底膠材料1005之傾斜角,該傾斜角係由於該底膠材料與半導體晶粒1002之材料之黏附性、其黏度、其體積
等形成)覆蓋半導體晶粒1002之豎直側壁之至少一部分(
例如,至少一半、至少三分之二、90%
等)。由於如此受限制之鑲角片提供比半導體晶粒1002之側壁更水平之表面(
例如,自豎直方向進一步傾斜),因此在形成鑲角片之後形成(
例如,濺鍍)之共形EMI屏蔽層1006將具有更小之豎直區1006a,使得降低此區之厚度不足之風險。總成1000可進一步包括在EMI屏蔽層1006上方及周圍提供囊封材料1009 (
例如,模製樹脂化合物等),以防止與之電接觸並向總成提供機械強度及保護。
根據本發明之又一態樣,半導體裝置總成還可具有在對應晶粒之上表面上方延伸之底膠鑲角片。取決於所使用之底膠材料,及用於形成EMI屏蔽層之技術及材料,此配置可能對所使用之底膠之量不太敏感,且可能不會因在半導體晶粒之頂部之多餘鑲角片材料上方形成EMI屏蔽層而遭受不良影響。根據本發明之一個其他態樣,底膠圍堰可經組態以具有足夠之高度,以確保底膠圍堰不被底膠材料覆蓋(
例如,確保濺鍍EMI屏蔽層與接地之底膠圍堰之間的電連接不受損害)。
儘管在前述實例實施例中,半導體裝置總成已被說明並描述為包括單個半導體裝置,但在其他實施例中,總成可具有額外半導體裝置。舉例而言,圖2、圖7、圖8、圖9及/或圖10所示之單個半導體裝置可用
例如半導體裝置之豎直堆疊、複數個半導體裝置(
必要時作必要地替換)。
根據本發明之一個態樣,圖2至圖10之總成中所示之半導體裝置可為記憶體晶粒,諸如動態隨機存取記憶體(DRAM)晶粒、「與非」(NAND)記憶體晶粒、「或非」(NOR)記憶體晶粒、磁性隨機存取記憶體(MRAM)晶粒、相變記憶體(PCM)晶粒、鐵電隨機存取記憶體(FeRAM)晶粒、靜態隨機存取記憶體(SRAM)晶粒等。在單個總成中提供多個晶粒之實施例中,半導體裝置可為相同類型之記憶體晶粒(
例如,兩個「與非」、「兩個DRAM」
等)或不同類型之記憶體晶粒(
例如,一個DRAM及一個「與非」
等)。根據本發明之另一態樣,上文所說明及描述之總成之半導體晶粒可為邏輯晶粒(
例如,控制器晶粒、處理器晶粒
等),或邏輯及記憶體晶粒(
例如,由此控制之記憶體控制器晶粒及記憶體晶粒)之混合。
上文參考圖2至圖10所描述之半導體裝置及半導體裝置總成中之任一者可併入至大量更大及/或更複雜之系統中之任一者中,該等系統之代表性實例為圖11中示意性說明之系統1100。系統1100可包括半導體裝置總成(
例如,或離散半導體裝置) 1102、電源1104、驅動器1106、處理器1108及/或其他子系統或部件1110。半導體裝置總成1102可包括大體上與上文參考圖2至圖10所描述之半導體裝置之特徵類似的特徵。所得系統1100可執行廣泛多種功能中之任一者,諸如記憶體儲存、資料處理及/或其他合適之功能。因此,代表性系統1100可包括但不限於手持式裝置(
例如,行動電話、平板電腦、數位閱讀器及數位音訊播放器)、電腦、車輛、電器及其他產品。系統1100之部件可容納於單個單元中或分佈在多個互連之單元上方(
例如,藉由通信網路)。系統1100之部件還可包括遠端裝置及多種電腦可讀媒體中之任一種。
圖12為說明製造半導體裝置總成之方法之流程圖。該方法包括提供基板,該基板包括具有複數個內部接觸墊及至少一個接地墊之上表面以及具有複數個外部接觸墊之下表面(方框1210)。該方法進一步包括在基板之上表面上方形成導電底膠圍堰,且該導電底膠圍堰與至少一個接地墊電接觸(方框1220)。該方法進一步包括將半導體晶粒安置在複數個內部接觸墊上方,且該半導體晶粒與複數個內部接觸墊電接觸(方框1230)。該方法進一步包括將底膠材料至少施配在半導體晶粒與基板之間,底膠材料包括半導體晶粒與底膠圍堰之間的鑲角片(方框1240)。該方法進一步包括在半導體晶粒、鑲角片及導電底膠圍堰上方形成導電EMI屏蔽層(方框1250)。該方法進一步包括用囊封材料至少部分地囊封導電EMI屏蔽層(方框1260)。
本文中所論述之包括記憶體裝置之裝置可形成在諸如矽、鍺、鍺化矽合金、砷化鎵、氮化鎵
等半導體基板或晶粒上。在一些情況下,基板為半導體晶圓。在其他情況下,基板可為絕緣體上矽(SOI)基板,諸如玻璃上矽(SOG)或藍寶石上矽(SOP),或另一基板上之半導體材料之磊晶層。可藉由使用包括但不限於磷、硼或砷之各種化學物種之摻雜來控制基板或基板之子區之導電性。可在基板之初始形成或生長期間,藉由離子植入或藉由任何其他摻雜手段來進行摻雜。
本文中所描述之功能可硬體、由處理器執行之軟體、韌體或其任何組合來實施。其他實例及實施在本發明及所附申請專利範圍之範疇內。實施功能之特徵亦可在實體上位於各個位置處,包括分佈以使得功能之各部分在不同實體位置處實施。
如本文(包括在申請專利範圍中)所使用,如在項目清單(例如後加諸如「中之至少一個」或「中之一或多者」之片語之項清單)中所使用的「或」指示包括端點之清單,使得例如A、B或C中之至少一個之清單意指A或B或C或AB或AC或BC或ABC (即,A及B及C)。此外,如本文所使用,片語「基於」不應理解為指代一組封閉條件。舉例而言,在不脫離本發明之範疇之情況下,描述為「基於條件A」之實例性步驟可基於條件A及條件B兩者。換言之,如本文所使用,片語「基於」應同樣地解釋為片語「至少部分地基於」。
如本文中所使用,術語「豎直」、「橫向」、「上部」、「下部」、「上面」及「下面」可指半導體裝置中之特徵鑒於圖中說明之定向之相對方向或位置。舉例而言,「上部」或「最上部」可指比另一特徵更接近頁面頂部定位之特徵。然而,此等術語應廣泛地理解為包括具有其他定向之半導體裝置,該等定向諸如倒置或傾斜定向,其中頂部/底部、上方/下方、上面/下面、向上/向下,及左側/右側可取決於定向而互換。
應注意,上文描述之方法描述了可能之實施,且操作及步驟可重新配置或以其他方式加以修改,且其他實施係可能的。此外,可組合來自該等方法中之者個或更多者的實施例。
自上文中將瞭解,本文中已出於說明之目的描述本發明之具體實施例,但可在不偏離本發明之範疇的情況下進行各種修改。相反,在前述描述中,論述了眾多具體細節以提供對本發明技術之實施例的透徹及啟發性描述。然而,熟習此項技術者將認識到,可在並無具體細節中之一或多者的情況下實踐本發明。在其他情況下,未說明或未詳細地描述通常與記憶體系統及裝置相關聯之眾所周知之結構或操作,以避免混淆技術之其他態樣。一般而言,應理解,除了本文中所揭示之彼等具體實施例之外的各種其他裝置、系統及方法可在本發明技術之範疇內。
100:經屏蔽半導體裝置總成
101:基板
102:半導體晶粒
103:接觸件
104:封裝級接觸墊
105:底膠材料
106:EMI屏蔽層
106a:區
107:接地墊
109:囊封材料
200:半導體裝置總成
201:基板
202:半導體晶粒
203:接觸件
204:封裝級接觸墊
205:底膠材料
206:EMI屏蔽層
207:接地墊
208:底膠圍堰
209:囊封材料
300:半導體裝置總成
301:基板
302:半導體晶粒
307:接地墊
308:底膠圍堰
401:基板
403:接觸件
404:封裝級接觸墊
407:接地墊
508:底膠圍堰
602:半導體晶粒
705:底膠材料
806:EMI屏蔽層
909:囊封材料
910:切割道
1001:基板
1002:半導體晶粒
1003:接觸件
1004:封裝級接觸墊
1005:底膠材料
1006:EMI屏蔽層
1006a:豎直區
1008:底膠圍堰
1009:囊封材料
1100:系統
1102:半導體裝置總成
1104:電源
1106:驅動器
1108:處理器
1110:其他子系統或部件
1210:方框
1220:方框
1230:方框
1240:方框
1250:方框
1260:方框
圖1為實例半導體裝置總成之簡化示意性橫截面圖。
圖2為根據本發明技術之實施例之半導體裝置總成之簡化示意性橫截面圖。
圖3為根據本發明技術之實施例之半導體裝置總成的簡化示意性部分平面圖。
圖4至圖9為說明根據本發明技術之實施例的半導體裝置總成之一系列製造步驟之簡化示意性橫截面圖。
圖10為根據本發明技術之實施例之半導體裝置總成的簡化示意性橫截面圖。
圖11為說明包括根據本發明技術之實施例組態之半導體裝置總成的系統之示意圖。
圖12為說明根據本發明技術之實施例之製造半導體裝置總成的方法之流程圖。
200:半導體裝置總成
201:基板
202:半導體晶粒
203:接觸件
204:封裝級接觸墊
205:底膠材料
206:EMI屏蔽層
207:接地墊
208:底膠圍堰
209:囊封材料
Claims (20)
- 一種半導體裝置總成,其包含: 一基板,其包括具有複數個內部接觸墊及至少一個接地墊之一上表面以及具有複數個外部接觸墊之一下表面; 一半導體晶粒,其耦接至該複數個內部接觸墊; 一導電底膠圍堰,其耦接至該至少一個接地墊; 一底膠材料,其至少安置在該半導體晶粒與該基板之間,該底膠材料包括在該半導體晶粒與該底膠圍堰之間的一鑲角片;及 一導電EMI屏蔽層,其安置在該半導體晶粒、該鑲角片及該導電底膠圍堰上方。
- 如請求項1之半導體裝置總成,其中該鑲角片豎直向上延伸至該半導體晶粒之一外表面的至少一半。
- 如請求項1之半導體裝置總成,其中該鑲角片豎直延伸至該半導體晶粒之一上表面。
- 如請求項1之半導體裝置總成,其中該導電EMI屏蔽層經由該導電底膠圍堰及該至少一個接地墊而電接地。
- 如請求項1之半導體裝置總成,其中該導電底膠圍堰係大體上環形的,且包圍該半導體晶粒之一周邊。
- 如請求項1之半導體裝置總成,其中該導電底膠圍堰具有經組態以限制該底膠材料溢出該導電底膠圍堰之一高度。
- 如請求項6之半導體裝置總成,其中該導電底膠圍堰之該高度進一步經組態以使得該鑲角片至少部分地豎直向上延伸至該半導體晶粒之一外表面。
- 如請求項1之半導體裝置總成,其中該導電EMI屏蔽層在該半導體晶粒之一上表面上方及該鑲角片上方連續地延伸而無任何開口。
- 如請求項1之半導體裝置總成,其進一步包含至少部分地囊封該導電EMI屏蔽層之一囊封材料。
- 一種製造一半導體裝置總成之方法,其包含: 提供一基板,該基板包括具有複數個內部接觸墊及至少一個接地墊之一上表面以及具有複數個外部接觸墊之一下表面; 在該基板之該上表面上方形成一導電底膠圍堰,且該導電底膠圍堰與該至少一個接地墊電接觸; 將一半導體晶粒安置在該複數個內部接觸墊上方,且該半導體晶粒與該複數個內部接觸墊電接觸; 將一底膠材料至少施配在該半導體晶粒與該基板之間,該底膠材料包括在該半導體晶粒與該底膠圍堰之間的一鑲角片;及 在該半導體晶粒、該鑲角片及該導電底膠圍堰上方形成一導電EMI屏蔽層。
- 如請求項10之方法,其中該鑲角片豎直向上延伸至該半導體晶粒之一外表面的至少一半。
- 如請求項10之方法,其中該鑲角片豎直延伸至該半導體晶粒之一上表面。
- 如請求項10之方法,其中該導電EMI屏蔽層經由該導電底膠圍堰及該至少一個接地墊而電接地。
- 如請求項10之方法,其中該導電底膠圍堰為大體上環形的,且包圍該半導體晶粒之一周邊。
- 如請求項10之方法,其中該導電底膠圍堰具有經組態以限制該底膠材料溢出該導電底膠圍堰之一高度。
- 如請求項15之方法,其中該導電底膠圍堰之該高度進一步經組態以使得該鑲角片至少部分地豎直向上延伸至該半導體晶粒之一外表面。
- 如請求項10之方法,其中該導電EMI屏蔽層在該半導體晶粒之一上表面上方及該鑲角片上方連續地延伸而無任何開口。
- 如請求項10之方法,其進一步包含用一囊封材料至少部分地囊封該導電EMI屏蔽層。
- 一種半導體裝置總成,其包含: 一基板,其包括具有複數個內部接觸墊及至少一個接地墊之一上表面以及具有複數個外部接觸墊之一下表面; 至少一個半導體晶粒,其耦接至該複數個內部接觸墊; 一導電底膠圍堰,其耦接至該至少一個接地墊; 一底膠材料,其至少安置在該至少一個半導體晶粒與該基板之間,該底膠材料包括在該半導體晶粒與該底膠圍堰之間的一鑲角片; 一導電EMI屏蔽層,其安置在該至少一個半導體晶粒、該鑲角片及該導電底膠圍堰上方;及 一囊封材料,其至少部分地囊封該導電EMI屏蔽層。
- 如請求項19之半導體裝置總成,其中該至少一個半導體晶粒包含半導體晶粒之一豎直堆疊。
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US20210391277A1 (en) | 2021-12-16 |
CN113782518B (zh) | 2024-06-25 |
US11887938B2 (en) | 2024-01-30 |
CN113782518A (zh) | 2021-12-10 |
TWI795793B (zh) | 2023-03-11 |
US20220254732A1 (en) | 2022-08-11 |
US11342277B2 (en) | 2022-05-24 |
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