TW200910489A - Semiconductor chip package, electronic device including the semiconductor chip package and methods of fabricating the electronic device - Google Patents

Semiconductor chip package, electronic device including the semiconductor chip package and methods of fabricating the electronic device Download PDF

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Publication number
TW200910489A
TW200910489A TW097131214A TW97131214A TW200910489A TW 200910489 A TW200910489 A TW 200910489A TW 097131214 A TW097131214 A TW 097131214A TW 97131214 A TW97131214 A TW 97131214A TW 200910489 A TW200910489 A TW 200910489A
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Taiwan
Prior art keywords
semiconductor wafer
semiconductor
package
solder ball
height
Prior art date
Application number
TW097131214A
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English (en)
Inventor
Pyoung-Wan Kim
Eun-Chul Ahn
Jong-Ho Lee
Teak-Hoon Lee
Chul-Yong Jang
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Samsung Electronics Co Ltd
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Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of TW200910489A publication Critical patent/TW200910489A/zh

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    • H01L23/488Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
    • H01L23/498Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
    • H01L23/49811Additional leads joined to the metallisation on the insulating substrate, e.g. pins, bumps, wires, flat leads
    • H01L23/49816Spherical bumps on the substrate for external connection, e.g. ball grid arrays [BGA]
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  • Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)

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200910489 九、發明說明: 【發明所屬之技術領域】 本揭露内容有關於半導體封裝和製造該半導體封裝 之方法’且更特定而言,有關於扇出型半導體封裝(fan_out type semiconductor package )和製造扇出型半導體封裝的方 法。 【先前技術】
半導體領域發展的主要趨勢是減小半導體元件的大 小。隨著小型電腦和行動電子元件的消耗迅速增加,發展 了能夠以較小尺寸提供多個接腳的半導體封裝,諸如細間 距球狀柵格陣列(fine pitch ball grid array,FBGA)封裝 或晶片尺度封裝(chip scale package,CSP)。 諸如FBGA封裝或CSP之半導體封裝具有較小的尺寸 和較輕的重量之優點。然而,該等封裝並不提供與習知塑 膠封裝相當的可靠性。此外,在製造期間所用原料的成本 和處理成本相對較高。微BGA (micro BGA,pBGA)封 裝具有比FBGA封裝或CSP更佳的特徵,但此封裝的可靠 性也較差且在成本方面競爭性不强。 爲了克服此等缺點,已發展了晶圓級⑽㈤紹㈣】 CSP WL CSP),其使用半導體晶片的結合觀墊(_出 pad)在晶圓上的再分佈。在使用再分佈之wL_csp中, ^導體基板上的結合襯墊直接再分佈至更大錄上。諸如 焊球之外部連接端子安置於更大襯墊上。 在WL_CSP中,隨著半導體晶片的大小變得更小,焊 200910489 球大小的尺度也減小。隨著焊球大小減小,需要具有更細 間距的焊球布局(solder ball layout)。然而,與藉由不斷 減小設計規則而減小的半導體晶片的尺度相比,製造更細 的焊球布局的技術存在一定限度。 【發明内容】 實施例包括半導體晶片封裝,半導體晶片封襞包括: 半導體晶片,半導體晶片包括具有結合襯墊的第一表面, 面對第一表面的第一表面,以及侧壁(sidewall);模製延 伸部份(molding extension part ),包圍半導體晶片的第二 •表面和侧壁;再分佈圖案(redistributi〇npattern),自結: 襯墊在模製延伸部份上延伸且電性連接至結合襯墊丨在 分佈圖案上的凸起焊球(bumpsolderball);以及模製層 (molding layer ),經組態以覆蓋半導體晶片的第一表曰 模製延伸部份’同時暴露凸起焊球中之每一者的 : 製層在彼此相鄰的凸起烊球之間具有凹彎月形、 (concave meniscus surface )。 少表面 另-實施例包括-種製造半導體晶片封裝 括:準備半導體晶片,半導體晶片具有包括結合 -表面,面對第-表面的第二表面,以及, = 圍半導體晶片的第二表面和侧壁的模製延伸部份 分佈圖案峨伸域製㈣部份,且電 二成再 塾;在再分佈_上形成凸起焊球;以及,襯 覆蓋第-表面且暴露凸起焊球中 衣層以 層在彼此相賴凸起焊球之間具有凹=使得模製 200910489 【實施方式】
現將參看附圖在下文中更全面地描述實施例。實施例 可採取多種不同的形式且不應被理解爲限於本文所述的實 把例、。而是提供這些實施例使得本揭露内容將透徹且完 ^:並向熟習此項技術者全面地傳達所附申請專利範圍之 範脅。在申請專利範圍巾並柯確地表示祕執行所規定 的功能的,,“機構(means),,,或用於執行所規定的功能 的“步驟”的任何要素,並不被解釋爲如35 USC § 112 ’第6段所規定的“機構”或“步驟”。特定而言,在 本文中在中請專利範财對“步驟”的使用預期並不適用 於35 U.S’^C· § 112’第6段的規定。在圖式中,爲了清楚 起見,誇示了層和區域的厚度。還應瞭解#層被稱作在另 一f或基板“上,,時,其可直接在另-層或基板上,或亦 :存在居間層。在全文中’類似的元件符號表示類似的元 圖U說明根據實施_半導體晶片封裝的實例的杰 、面圖圖2疋圖1的部份a的放大橫截面圖。參看圖 和圖2,半導體晶片封裝可包括半導體晶片則、模製延 部份圖案Μ凸起焊球116以及模製層12〇C +導體4 11G可包括具有結合襯墊(未圖示)的沒 性表面,與活縣φ朗的後表面,以及㈣。半 =導體晶片’諸如記憶體晶片、邏輯晶片等K 的厚度。更理想地,半導體晶片11〇可具有在大二: 200910489 與大约200微米之間的厚度。可藉由減小半導體晶片⑽ 的厚度而將半導體晶片封裝製造地更薄。 模製延伸部份⑴可包圍半導體晶片11G的後表面和 侧壁,模製延伸部份ni可由樹脂基材料(㈣以⑽ )、環氧樹脂模製化合物(epoxy molding compcmmi,EMC)、與模製層12〇c相同的材料等製成。因 此,可藉由模製延伸部份U1來防止半導體晶片ιι〇的後 表面和侧壁受到外部環境的化學/物理影響。 再分佈圖案114可自結合襯墊延伸至模製延伸部份 111 ’•電性連接至半導體晶片110的結合概塾。絕緣層 112逛可插人於再分佈圖案114與半導體晶片削的活性 表面之間絕緣層112可提供再分佈圖案114與半導體晶 片110之間的電絕緣。絕緣層112可僅安置於半導體晶片 110的活性表面與再分佈圖1114之間。或者,絕緣詹112 還可插入於再分佈圖案114與模製延伸部份lu之間。 凸起焊球116可提供於再分佈圖案114上。凸起焊球 116可包括楊氏模數(Young,sm〇dulus)爲大約2〇Gpa至 大約90GPa的焊料。凸起焊球116可提供半導體晶片11〇 與外電路(例如,佈線基板(wiringsubstrate)、印刷電路 板(printed circuit board )等)之間的電性連接。 半導體晶片封裝可藉由包括上述半導體晶1〇、模 製延伸部份m、再分佈圖案114和凸起焊球116而具有 扇出封裝結構。因此即使半導體晶片11〇的大小變得更 小,也可維持預先存在的焊球布局,從而可在將半導體晶 200910489 錄線基板的製程期間防止凸起焊球ιΐ6的焊 接“占了罪性(solder joint reliability,SJR)降低。 延伸:可主覆/半導體晶片11〇的活性表面和模製 刀m,同時暴露每個凸起焊球116的部份 安置的凸起焊球116之間的模製層咖可具有二 η面莊其具有與凸起焊球116接觸的邊緣。凸起焊球 U具有最大直㈣平行於半導體晶411G的活性 橫截面。高度H1是半導體晶片110的活性表面和/ 或錄延伸部份nl的表面至凹f月形表面上 Μ接觸的邊緣之間的長度。高度出 度凸^^ =片=上部或下㈣起_116‘ = 九勺1/7的長度内。高度以自半導體晶片m的活 延伸部份111的表面至凸起焊球116的橫截面 =度。舉例而言,若凸起焊球116的最大直徑爲3 未’則在凹彎月形表面的邊緣的高度m可在凸起焊球116 的橫截面處的高度z的·微米内。因此,可藉由 半㈣⑼11G騎絲㈣料部環境的化 由於凸起焊球116的黏著特徵可藉由模製層u〇c而增 强’因此可分散針於接觸部份與半導體晶片封裝的凸起 焊^ 116處的熱應力。從而可增强凸起焊球ιΐ6的焊接點 可靠性(solder joint reliability,SJR)。而且,模製層 u〇c 可減小半導體晶片m與佈線基板之間的熱膨脹;數差 異。在將半導體“封裝安裝於料基板上的製程期間, 200910489 可增强凸起焊球116的SJR。 模製層120c的凹彎月形表面可包括第—古声 亏高度H2、第三高度H3以及第四高度m。J1、第 爲自半導體晶Ml 1 〇的雜表面和/或模製延伸部^度Hi 表面至與凸起焊球116接觸的邊緣的長度。=U的 爲自半導體晶片110的活性表面和/或模製延伸部=地
至焊球116中最外面的凸起焊球接觸二2 長度。第三咼度H3爲自半導體晶片11〇的活 备的 模製延伸部份111的表面至凸起焊球116之_最下$ ί度。且第四高度H4爲自半導體晶片11〇的活性表面和/ 或換製延伸部份U1的表面至半導體晶片11()的邊緣的長 度。在第一高度H1與第三高度H3之間可存在凸起焊球 116的最大直徑大約1/5内的差異。舉例而言,當凸起烊球 116的最大直徑是350微米時,在第一高度hi與第三高度 H3之間可能存在7〇微米的最大高度差和1〇微米的最小高 度差。第二高度H2可比第三高度H3更長或更短,且第四 鬲度H4可比第三尚度H3更長或更短。而且,在第二高度 H2與第四高度H4之間可存在至少1〇微米的高度差。 模製層120c可具有高度H1,高度H1從高度Z至半 導體晶片110的活性表面和/或模製延伸部份m的表面具 有凸起焊球116的最大直徑的1/7長度内的高度,此高度Z 在凸起焊球116的最大直徑的橫截面之處。從而可增强凸 起焊球116的黏著特徵。由於熱應力集中於半導體晶片封 裝的凸起焊球116和接合部份上,因此可增强sjr。 11 200910489 厶71厶厶]Jii 當高度HI自高度Z朝向上部超過凸起焊球116的最 大直徑的大約1/7時’高度Ή1是至與凹彎月形表面的凸起 焊球116接觸的邊緣的高度,在形成模製層12〇(:的製程期 間可能發生諸如空隙之缺陷。此外,由於凸起焊球116的 表面未充分暴露,因此可能會降低電氣可靠性(dectricai reliability )’凸起焊球116提供半導體晶片1丨〇與外電路之 間的電性連接。 ' 〇 另-方面’當高度H1自高度Z朝向下部超過凸起焊 球116的最大直徑的大約1/7時,亦可降低安置於再分佈 圖案114上之凸起焊球116的黏著特徵。因此,在將半導 體晶片封裝安裝於佈線基板上的製程期間,亦可減小凸起 焊球116的SJR。 模製層12〇c之凹彎-月形表面可具有不光滑面飾(輔◎ flmsh )或光滑面飾(non_matte fmish )。在不光滑面飾的情 況下,模製層12Gc的凹彎月形表面可能會由於粗链表面而 具有低反射特徵。因此,在檢測半導體晶片封裝期間,可 J 肖肉眼容易地識別凸峽球116的表面與模製層120c的表 面。 模製層120c可包括環氧樹脂模製化合物(ep〇xy molding compound ’ EMC)。EMC可包含按重量計大約刈 %至大約90%的矽石(Si〇2)。EMC在低於玻璃轉移温度 (Tg)的溫度範圍可具有低於大約5〇ppm/t賴膨服係 數。EMC可具有大約3 GPA或更高的彈性模數。 具有上述結構的半導體晶片封裝可包括模製層,模製 12 200910489 凸起焊球的—部份同時覆蓋半導體晶片的活性 延伸部份’藉此可防正半導體晶片的活性表面 又1 4¼境的化學/物理影響。^且,在安裝半導體晶片 期間’由於模製層減小半導體晶片與佈線基板 =熱膨脹係數差異,因此可增強sm。此外,藉由包 防片曰的後表面和側壁之模製延伸部份的結構,可 晶片的後表面和侧壁受到外部環境的化學/物 埋影響。 的製根例之半導體晶片封裝的製造方法 =㈣桃程圖。參看圖3 ,製造半導體晶片封裝之方法 步驟S11G巾,形賴製延伸部份,模製延伸部 ' Ία包圍半導體晶片的後表面和侧壁;在步驟S⑽ 士开7成再77佈圖案,再分佈®案延伸至模製延伸部份同 Μ生連接至半導體晶片的結合襯塾;在步驟阳〇中, 上形成凸起谭球;在步驟難,,向模具 ^供釋放且裝载半導體晶片;在步驟S150中,將模製 =注入到模具t ;在步驟議中,藉由壓縮模製在半 =晶片的活縣面和難延伸部份上形賴製層;在步 170,中,自模具卸載半導體晶片;以及,在步驟sl8〇 甲,將半導體晶片鋸開以將其分成半導體晶片封裝。 县上文爲製造半導體晶片封裝之方法的簡要描述。將參 4A至圖4D、圖5A至圖5以及圖7A至圖%來揭露 ^細的描述。此外’儘管在上文提到-個半導體晶片被 ;成至半導體封裝内,但多個半導體晶片實質上可同時封 13 200910489 裝到個別半導體封裝内。 圖4A至圖4D是說明根據實施例之半導體晶片封裝之 製造方法的橫截面圖。參看圖4A,至少一個半導體^ 1H)可結合至賴135。當結合多於—個半導體晶片⑽ 時,每個半導體晶片110可安置於載體135上使得其可根 據待製造之封裝的大小間隔開。可使用黏著材料層來將半 導體晶片110結合至载體135。將半導體晶片u〇結合至 載體135可導引半導體晶片110的活性表面與載體135接 觸。因此,可暴露半導體晶請的後表面和=。35接 在將半導體晶片110結合至載體135之前,半導體曰 片封裝之製造方法還可包括將半導體晶片11〇的後表面= 光且將安置於半導體晶圓上的多個半導體晶片鑛成每個半 導體晶片110。帶拋光的後表面的半導體晶片110可具有 在大約50微米至大約760微米的範圍之間的厚度。較佳 地,後表面被拋光的半導體晶片11〇可具有在大約5〇微米 至大約微米的範圍之間的厚度。可藉由提供具有更小 ’ 厚度的半導體晶# 11G而製造更薄尺寸的半導體晶片封 裝。 載體135可由自金屬、陶瓷、有機材料等中選出的一 種材料製成。載體135可用於在形成包圍半導體晶片11〇 的後表面和侧壁之模製延伸部份的循序製程中減輕和/或 予小加載於半導體晶片11〇上的物理應力。黏著材料層可 爲可重新加工的黏著劑(rew〇rkable 可重新加 工的黏著劑可用於使形賴製延伸部份後進行的移除半導 14 200910489 體晶11G的製程更爲容p可將包括紫外_化樹 —et eu“ ’ uv樹脂)或熱塑性 (thermoplastic resin)的膠帶用於黏著材料層。
料圖4B’可形成包圍半導體晶片no的後表面與側 壁的板製延伸部份m。模製延伸部份lu可用於防止 導體晶片110的後表面和側壁受到外部環境的化封物理影 響。可藉由多種方法來形賴製延伸部份ln,包括印刷: 轉移模製(transfer molding)、壓縮模製(⑺邮聰i〇n molding)等。模製延伸部份U1可 脂模製化合物製成。而且,模製延伸部份⑴可後 形成的模製層的相同的材料製成。 、參看圖4C,在移除覆蓋半導體晶片110的活性表面的 ,體135之可在半導體n㈣活性表面與模製延伸部 伤hi上形成絕緣層112。絕緣層112可用於使半導體晶 片110與再分佈圖案114之間電絕緣。絕緣層112可包括 ,接區(land r*eg1Gn)(未圖示)’連接區麵態以暴露半 V體晶片110的多麵合襯墊(未圖示)以便允許半導體 晶片110與再分佈圖案114之間的電性連接。 再分佈圖案114可在模製延伸部份u上延伸 性連接至半導體W 110的結合崎。可使用包括電鑛 (plating)和層壓(laminati〇n)的一般再分佈方法來形成 再=佈圖S 114。爲了簡要起見,將省略對再分佈方法的 參看圖4D’凸起焊球116可形成於再分佈圖案ιΐ4 15 200910489 (solder ball jetting)等。卩則祕erprinting)、蟬料噴射(solder 當對包括多個半導體晶片11〇的一 =:ί片?成凸起焊球116後包括用:分成: 模製層後,可執行用體3 = 體晶片封裝_開製程。4 UG分離油別半導 、tr ·在只施例中’半導體晶片封裝可藉由構建成包括丰 導體晶片110、n ㈣以品目士 伸 再分佈圖案114和凸起 片11。的尺二扇出封裝結構。因此’即使在將半導體晶 ί It 造成更小時,也可維持預先存在的焊球布 1’藉此成夠在將半導體晶片封裝安裝於互連基板上的製 程期間防止凸起焊球116的烊接點可靠性(SJR)降低。 圖5A至圖5C是說明根據實施例之半導體 製造方法的實例的橫截面圖。圖6是圈tc的;= 大橫截面圖。參看圖5A,模具可包括下部模具(1〇werm〇id) 31〇b和上部模具(uPPermold) 31〇t。下部模具31〇b可具 有模製部份(molding portion) 312。在此實例中,模製部 份312是下部模具310b的凹入部份。上部模具31仇可具 有安裝部件。模具可經組態以加熱超過175〇c的溫度來液 化模製材料(參看圖5B的120)。 釋放帶(release tape) 320可提供於下部模具31〇b與 上部模具31〇t之間。可通過固定至下部模具31〇b的兩側 16 200910489 的帶滚筒(taper〇iler) 315將釋放帶32〇供應至下部模且 310b。釋放帶320可由财久性材料製成,其在執行模製& 程的溫度下並不變形。釋放帶32〇可包括聚四氣乙稀 (PTFE)、乙烯/四氟乙烯(ETFE)等。 參看圖5B,其中安裝有凸起焊球的一組半導體晶片s 可裝載至上部模具31〇t的安裝部件314上。半導體晶片組 s可包括至少一個半導體晶片。如參看圖4D所述,半導體 〇 晶片組S可被分成個別半導體晶片。半導體晶片组8可安 裝於載體上,.載體具有在半導體晶片之間的晶片鑛開劃線 道(chip sawing scribe lane)。或者,半導體晶片組s可不 被分成個別半導體晶片。在此情況下,半導體晶片組s可 不包括載體。可裝载半導體晶片組s使得半導體晶片8的 後表面面對上部模具3l〇t的安裝部件314。 可使用黏著材料層將半導體晶片組8裝載至上部模具 3l〇t的安裝部件314上。黏著後易於分離的可重新加工的 黏著劑可用於黏著材料層。這是因爲可在完成模製製程後 ’ 裝載半導體晶片組s。包括紫外光固化樹脂(UV樹脂)的 膠帶、熱塑性樹脂等的膠帶可用於黏著材料層。 在釋放帶320密封到下部模具310b的模製部件312 上時,模製材料320可被注入到包括密封的釋放帶32〇的 模製部件312内。模製材料120可包括(例如)環氧樹脂 模製化合物(EMC) «EMC可爲粉末或液體,且可包括按 重量計範圍在大約50%至大約90%的石夕石。EMC在低於 破璃轉移溫度(Tg)的溫度範圍可具有低於5〇 ppm/它的 17 200910489 熱膨脹係數。因此,輯於上部模具31〇t的安裝部件上的 半導體晶片組s的凸起焊球可安置於模製材料12〇上。 在注入模製材料120後,該等製 具遍的模製部件和真雜放(va_ exhausd= = 製材料120液化,例如,在模製材料120 ,約兩秒鐘。可進行真空排放以防止形成非均 Ο
勻的或不完全的模製層可能在形成模 製層』間產生(參看圖5C的丨施)。可執行真空排放使得 下部模具3勘的模製部件的内部壓力小於大約%乾。
參看圖5C與圖6,可藉由壓縮模製來形成覆蓋半導體 晶片的活性表φ和難延伸部份賴製層H 可包括將半導體晶肢S _至液化模製材料i2G和釋放 帶320内。壓縮可包括使上部模具3(m和下部模具⑽ 密切接觸地密封。在-實施射’壓縮可包括移動上部模 具310t和/或下部模具31〇b以在與其之間存在釋放帶似 的情況下彼此接觸。在形成模製層12G 外的固化製程(―process),· 超過100 C的溫度暴露的固化製程,可增强模製層聽、 半導體晶片的活性表面與模製延伸部份之_黏著, 時可增加模製層120c的穩定性。 可藉由壓賴製(⑶零essiQn _ding)來形成模製 ^ 1施,模製層120c暴露每個凸起焊球的部份,同時覆 蓋半導體晶片的活性表面和模製延伸部份。模製層工施 Γ Ο 200910489 在彼此相鄰安置的凸起焊球之間可 具有接觸凸起焊球的邊緣。凸起 1有2言其 且平行於半導體晶片性表面的橫 可在自凸起焊球的橫截面朝向或遠離半導體晶 =活性表面和/或模製延伸部份的表面之凸起 半導_縣㈣形卜料境;;彡來塑防止 徵,由模製層⑽來增强凸起焊球的ΐ著特 :球放集中於接觸部份與半導體晶片封裝的凸起 =的熱應力。從而可增强凸起焊球的sjr。而且,模製 1異削、半導體晶片與佈線基板之_熱膨脹係數 ίί二將半導體晶片安裝到佈線基板上的製程中 增强凸起焊球的SJR。 制声=模製層1施改良半導體晶片組S的强度,因此模 =、成/可在隨後分成個別半導體晶片封襄的蘇開製程 梦曰 =碎裂(chipping)(半導體晶片封裝的邊緣的斷 二曰:生°因此’可防止或減輕由於鑛開製程所造成半 ¥體日日片封裝的品質劣化。 模製層120c的凹管月形表面可能是插入於上部模具 e 下部模具31〇b之間的釋放帶32〇的結果。這可能 =爲凸起焊球的部份在壓縮模製製程期間壓縮釋放帶 Λ料口此,釋放帶320可在彼此相鄰的凸起焊球之間形成 • 4月形表面。結果,模製層12〇c可藉由釋放帶320的凸 穹月形表面而具有凹彎月形表面。 19 200910489 釋放帶320的厚度Tr可大於模製層12〇c的第三 Τη3 (對應於圖1的H3)與凸起焊球的高度^之間的長^ 差。釋放帶320可具有大約1〇%至大約9〇〇%之間伸長= (d〇ngati〇n mte)和低於大約5〇 MPa的拉應力(加此 st聰)。若釋放帶32〇的拉應力超過大約5G赂,則包括 〇 ϋ ^的f起焊球在藉由釋放帶32G壓緊時可能會變形。凹 =形^可包括第-高度、第二高度H2、第三高度出 和第四局度H4 ’如參看圖i之情形。因此,可如上文所述 起焊球的黏著特徵。由於熱應力集中於接觸部份和 =體晶片封裝之凸起烊球上,因此可增强s;r 所述之情形。 职工又 ό Γ第㈤度^凹彎月形表面與凸鱗球翻的邊緣) 焊焊球的最的橫截面的高度朝向上部比凸起 制;f取大直徑的大約1/7更遠時,在形成模製層 120c 的 可發生諸如空隙之缺陷。此外,由於凸起焊球的 提供半’可能會降低電氣可靠性,凸起焊球 導體曰曰片與外電路之間的電性連接。 接網^方面’虽第—高度(至凹彎月形表面與凸起焊球 向下部比ϋ = ί焊球的最大直徑的橫截面的高度朝 降低安最大直㈣大約1/7更遠時,可能會 在將半導體?2案上的凸起焊球的黏著特徵。因此’ 凸起焊球的H農女震於佈線基板的製程期間亦可降低 釋放▼ 320可具有不光滑面飾或光滑面飾。在模製製 20 Γ u 200910489 ^中,釋放π32〇的表面可變形爲模製層撕的 表面。因此,模製層120c的凹彎月形表面可具有 飾或光滑面飾。根據實施例之模製層㈣的凹 = 可具有不光滑面飾。由於模製声1 ^ 7 :由於繼面而具有低反射;徵:因 ^^^面可用肉眼容易地識別凸起焊球的表面與; 雖然未®示’在上频騎㈣中形成有模製声 120c的半¥體晶片組後’製程還可包括在多個半導體曰 之間將晶片側切割劃線道與模製層1紙鋸開且:八 成個別半㈣W縣。因此,可製造包純製層^ 的半導體晶片聽’且具有凹f月形表面賴製層】施 暴露每個凸起焊球的部份,同時錢半導體 面和模製延伸部份。 |衣 圖7A至圖7C是說明根據實施例之半導體晶片封震的 另-製造方法的橫截面圖。爲了簡要起見,將省略與圖5A 至圖5C的描述相同的參看_ 7A至圖7C_述的部份。 參看圖7A,模具可包括下部模具3職和上部模具助以 下部模具31〇ba可包括模製部份314、下部模具3购的 凹入部份。釋放帶320可提供於下部模具3勘a與上部模 具31〇ta之間。可通過固定於上部模具31〇饴的兩侧上的帶 滾筒315來將釋放帶320供應至上部模具31〇ta。 參看圖7B ’其中安裝有凸起焊球的一組半導體晶片$ 可農載於下部模具310ba的安裝部件314上。可裝載半導 21 Ο Ο 200910489 ,=組s使得半導體日日日片的後表面面對下部模具通a 的女^部件。可藉由黏著材料層將半導體晶片組s裝載到 下部模具31〇ba的安襞部件上。 在釋放Φ 320密封於上部模具31〇切上之後,模 =12〇可被注入到下部模具細匕的模製部件 的模製部份314的安裝部件上裝二 丰,體曰曰片組S的凸起焊球。因此,模製材料12〇可安置 模具31Gba的模製部份的安裝部件上裝載的 體晶片S的凸起焊球上。 .、舌性圖二’,由壓縮模製來形成覆蓋半導體晶片的 雜表面和模製延伸部份賴製 ^模具310ta與下部模具31%a密封在—起。此廢 釋和/或上部模具職以在其之間存在 釋放帶320的情況下彼此接觸。 你 =壓縮模製的結果,可形成模製層1施,模製声 e』、路母個凸起焊球的部份’同時覆蓋半導體晶片‘ 起焊球鄰安置的凸 曰Η ώΑβω· t 了藉由模裏層120c來防止半導 體曰曰片的活性表面《彳外部環境的化學/物理影響。¥ 可八3,__著特徵藉由難層1施增强,因此 2放集中於接觸部份和半導體晶 = 應力。從而可增强凸起輝球的焊接點可靠性熱 200910489 =L120:r小半導體晶片與佈線基板之間的熱膨脹 的製程;增;;凸:=;晶片封裝安裝於佈線基板上 開製程中防止碎裂=片封裝的循序鋸 生。從而可防封裝的邊緣的斷裂)的發 封裝的品質劣化鑛開製程所造成的半導體晶片 層,凹\方月法製造的半導體晶片封裝包括模製 同時覆蓋半導體晶片的活性表面和 ^ 71 β防止半導體晶片的活性表面受到外邻環 差;製層可減小半導體晶片與佈 穿於你结其^〆健差異。從而可在將半導體晶片安 製程期間增强凸起谭球的焊接點可靠性
C 半導體巾可見’模製部份314可具有大於 2體日日片S與模製延伸部份的厚度的深度。當 間。 曰曰# s與模I延伸部份與釋放帶32〇之 面圖圖二=實施例的另一半導體晶片封裝的橫截 圖8的m I將省略與圖1的描述類似或相同的 触相部份。參看圖8,铸體晶片封裝可包^ 23 200910489 導體晶片110、模製延伸部份lu、再分伟圖案114、凸起 焊球116以及模製層120c。 絕緣層112可插入於再分佈圖案與半導 no的活性表面之間。絕緣層112可用於使再分佈圖案ιΐ4 與半導體晶片11G之間電絕緣。由於模製延伸部份⑴由 (例如)包括樹脂基材料或魏樹脂模製化合物(emc) 的絕緣材料組成且不包括導電圖案(例如,在内部上的互 連),因此,電絕緣可(但並非必需)用於再分佈圖案ιΐ4 與模製延伸部份111之間。因此,在-實施财,絕緣層 112可僅插入於半導體晶片11G的活性表面 114之間。 # 圖9是說·據實施_電氣元件(eleetriealdevice) 的橫截面圖。參看圖9,準備半導體晶片封裝,例如,豆 結構類似於根據參看圖3所述的方法所製造賴旧或圖 8中的結構。還準備佈線基板21()。可藉由在佈線基板21〇 上安裝半導體晶片來製造電氣元件。將包括圖丨的半導體 晶片封裝的電氣元件作爲實例來展開描述;然而其它的實 施例可包括如上文所述的多種半導體晶片封裝。 、 半導體晶片封裝可包括半導體晶片11〇、模製延伸部 =in、再分佈圖案m、凸起焊球116以及模製層12&。 模艇伸部份111可包圍半導體晶片110的後表面和侧 ,。再分佈圖案114可延伸至模製延伸部份1U同時電性 連接至半導體晶片U〇的結合襯墊。絕緣層112還可插入 於再分佈圖案m與半導體晶片則的活性表面與模製延 24 200910489 =曰=Hi=緣層112可用於再分佈圖案114與半導 ?== 絕緣。凸起焊球116可提供於半導體 曰曰片110的再分佈圖案114上。凸起焊球116可提供半導 體晶片110與佈線基板21〇之間的電性連接。 t實=_半導體晶片縣可藉由包括上述半導體 延伸部份111、再分佈圖案114以及凸起焊
的大/1、^!有扇出封襄結構。因此,即使半導體晶片110 在容主"、·传,小,也可維持預先存在的焊球布局 ,從而可 止、aB片縣安裝到佈線基板21G上的製程期間防 止凸起Μ泉116的焊接點可靠性(SJR)降低。 面知ίί層12〇C可經虹態以覆蓋半導體晶片110的活性表 *延伸箱lu,同時暴露凸起焊球IK中之每一 ’抑。模製層咖在彼此相鄰安置的凸起焊球ns 有Γ㈣形表面,凹f月形表面具有與凸起焊球 H觸的邊緣。模製層12Ge和凸起焊球116可包括與上 :圖1和圖2所述的橫截面類似的橫截面。因此,可 製層㈣來防止半導體晶片⑽的活性表面受到外 的化學/物理影響,可增强凸起焊球116的黏著特 :主:增强焊接點可靠性(SJR)。且模製層i2〇c能夠減 里+導體晶片110與佈線基板210之間的熱膨服係數差 因此,在將半導體晶片封裝安制佈線基板210上的 衣程期間可增强凸起焊球116的SJR。 佈線基板210可具有其上安裝有半導體晶片封裝的頂 面和面對頂表面的底表面。佈線基板21G可爲包括印刷 25 200910489 電路板(PCB)之系統板(System b〇ar(j)。佈線基板 可具有包括結合電極(b()nding deetiOde)(未圖示)的頂 ,面和,對頂表面且包括連接電極(⑺nneetiQn eiee加如) ,圖不)的頂表面。結合電極可藉由半導體晶片11〇的 相應結合襯墊與凸起焊球116而電性連接。 玻在舞基板21G的絲面上形線基板烊 、击、衣程。佈線基板焊球212可提供於連接電極上, SΐΐίΪ於佈線基板2i〇的底表面上。佈線基板烊球 愈外電路(例^部連接(未圖示)以提供半導體晶片110 、 (例如,主板)之間的電性連接。 每個:電氣元件可包括模製層,模製層暴露 彳可防止半導體晶片的活性表面受到外 里影響。而且,在安裝半導體晶片:裝的 差異與條聽之_熱膨脹係數 電氣元件可i有可==結果, ,模製層,模製層暴露表 :!蓋半導懸晶片的活性表上二:者=’同 包園半導體曰片ϋ而且’由於半導體晶片封裝包括 日日的後表面和側壁的模製延伸部份且其中可 26 200910489 延伸再分佈圖案,因此可採用預先存 可提供能夠增强電氣元件的 ^衣布局口此’ 4 封裳的方法。而且可提供高品質的電氣 雖然結合附圖描述了每#办丨 s 了貝鈿例,但本發明並不限於此。 ^ ' n 、顯而易見,在不偏離本發明之範疇和
,神的情況下可崎本發明做出各歸代 【圖式簡單說明】 包括附圖以提供對實施例的進-步的理解,且附圖結 合到本說明書巾並且構縣說明書的—部份。關與描述 一起用於解釋實施例的原理。在圖式中: 圖1是說·據實施例的半導體晶片封寰的實例的橫 圖2是圖1的部份A的放大橫截面圖; 圖3是說明根據實施例之半導體晶片封裝的實例的製 造方法的流程圖。 圖4A至圖4D是說明根據實施例之半導體晶片封裳的 實例的製造方法的橫截面圖。 圖5A至圖5C是說明根據實施例之半導體晶片封裝的 實例的製造方法的橫截面圖。 圖6是圖5C的部份b的放大橫截面圖。 圖7A至圖7C是說明根據實施例之半導體晶片封裝的 實例的另一製造方法的橫截面圖。 圖8是說明根據另一實施例的半導體晶片封裝的實例 27 200910489 的橫截面圖。 圖9是根據實施例的電氣元件的實例的橫截面圖。 【主要元件符號說明】 A :部份 B :部份 H1 :第一高度 H2 :第二高度 H3 :第三高度 1 H4 :第四高度 Z :高度, S:半導體晶片 S110〜S180 :步驟 Tro :第三高度 Ts:高度 TR :厚度 110 :半導體晶片 V ill:模製延伸部份 112 :絕緣層 114 :再分佈圖案 116 :凸起焊球 120 :模製材料 120c :模製層 135 :載體 210 :佈線基板 28 200910489 212 :佈線基板焊球 310t :上部模具 310b :下部模具 310ta :上部模具 310ba :下部模具 312 :模製部份 314 :模製部份 315 :帶滾筒 320 :釋放帶
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Claims (1)

  1. 200910489 十、申請專利範圍: h一種半導體晶片封裝,包括: f二:體ί片,包括具有多個結合襯墊的第-表面,面 子斤述弟表面的第二表面,以及側壁. 伸部份,包圍所述半導體晶片的所述第二表面 她!布圖案,於所述模製延伸部份上自所述結合 〇 襯墊延伸且電性連接至所述結合襯墊; 在所述再分佈圖案上的多個凸起焊球;以及 模製層,經組態以覆蓋所述半導體 伸部份,同時暴露所述凸起=每f 凹彎模製層在彼此相鄰的所述凸起焊球之間具有 中所專利範圍第1項所述之半導體晶片封裝,其 ϋ :的接觸點的位置在自所述第-表 所34凸起焊球上最大橫載面處自所述C表面的/ 回又之所述凸起焊球的大約1/7高度内。 ' 中:3·如申請專利範圍第i項所述之半導體晶片封襄,其 ,述凹彎月形表面包括: .部份自所述第4面至與所述凸起焊球接觸的 200910489 第一而度’自所述第一表面至所述凸起焊球之間的最 下部,以及 所述第一向度與所述第二高度之間的高度差是所述凸 起焊球的最大直徑_長度的1/5。 4·如申請專利範圍第】項所述之半導體晶片封裝,其 所述凹弯月形表面具有不光滑面飾。 5:如申請專職圍第〗項所述之半導體^封裝,其 /fit模製延伸部份由與所賴製層相同的材料製成。 6.如φ請專利範圍第丨項所述之半導體晶片封裝 包括: · 斤述半V體晶片的所述第一表面與所述再分佈圖案 之間的絕緣層。 ’、 7·如申请專利範圍第6項所述之半導體晶片封裝,其 之=述絕緣層還插入於所述半導體晶片與所述再分佈圖案 Ο 中請專利範圍第1項所述之半導體晶片封裳,其 斤迷抵製層包括環氧樹脂模製化合物。 中戶中請專利範圍第8項所述之半導體晶片封農,其 :述拉製化合物在低於玻璃轉移溫度的溫度範圍具 ;0ppm/°c的熱膨脹係數。 中1〇·,申請專利範圍第8項所述之半導體晶片封裝,其 斤述環氧樹脂模製化合物具有3Gpa或更高的彈性模數、。 U.—種電氣元件,包括: 、 半導體晶片封襄,包括: 31 200910489 半導體晶片,包括具有多個結合襯墊的第一表 面,面對所述第一表面的第二表面,以及側壁; 模製延伸部份,包圍所述半導體晶片的所述第二 表面和所述側壁; 多個再分佈圖案,自所述結合襯墊在所述模贺 伸部份上延伸且電性連接至所賴合婦;⑽果製延 在所述再分佈圖案上的多個凸起焊球;以及 〜 模製層,經组態以覆蓋所述半導體晶片的所述第 二表面和所述模製延伸部份,同時暴露所述凸起焊球 母一者的部份, 中所述模製層在彼此相鄰的所述凸起焊球之門 具有凹彎月形表面;以及 2基板’其巾在所述佈絲板的—辣面上 建+導體晶片封裝。 Ο 12.如申請專利範圍帛n項所述之電氣元件,還包括: 板。在面對所述佈絲㈣所述—個表面上的多個佈線基 —種製造半導體晶片封裝之方法,包括: 準,半導體^ ’所述轉體^具有包括結合概塾 第:表面,面對所述第-表面的第二表面,以及侧壁; f成難延伸雜,輯難延伸部份包_述半導 _曰日片之所述第二表面和所述侧壁; 伸却形成再分佈_,所述再分侧案延伸至所述模製延 伸部份且電性連接至所述結合婦; 叹辕认 32 200910489 上形成凸起焊球;以及
    中之,者之間的接觸點的位置是自所述第一表面的一定高 度,所述高度在其中橫截面最大的所述凸起焊球上自所述 第一表面的—定高度之所述凸起焊球的高度的大約1/7 在所述再分佈圖案上形成凸 形成模製層以覆蓋所述第一 15. 如申請專利範圍第14項所述之製造半導體晶片封 裝之方法’其中所述凹彎月形表面包括: 第/两度,自所述表面至與所述凸起焊球接觸的部 份;以及 第/问度,自第一表面至所述凸起焊球之間的最下 部;以及 所述第-高度與所述第二高度之間的高度差爲所述凸 起焊球的直徑的長度的至少1/5。 16. 如申請專利範圍第15項所述之製造半導體晶片封 裝之方法,其中在所述第一高度與所述第二高度之^的高 度差爲炱少10微米。 17. 如申請專利範圍第13項所述之製造半導體晶片封 裝之方法’其中所述模製延伸部份包括與所述模製層相同 的材料。 33 200910489 芽之專利範圍第13項所述之製造半導體晶片封 裝之方法,其中所逃模製延伸部份包括.. H返年導後W的所逃第—表面結合线验; 二、所處夫吴製延伸部份以包圍所逃年導體晶片的 第一表面與所述側壁;以及 I 移除所述载體。 Ο 裝之13 片封 伸部體晶片的所述第-表面和所述模製延 曱晶與所述再分佈圖案之間的絕緣層。 裝之^申3利範圍第19項所述之製造半導體晶片封 '八中所述絕緣層形成於所述半導體晶>1 I 第-表面與所述再分佈圖案之間/之+導體曰曰片的所迷 2=^申請專利範圍第η項所述之製造半導體晶 装之方法,其中形成所述模製層包括: 于 準備釋放帶; 装載所述半導體晶片; 之 間製材料注入於所述釋放帶與所述半導體晶片 使所述半導體晶片與所述釋放帶相互壓縮。 2Ζ如申請專利範圍第^項所述之製造半 裝之方法,還包括 日乃封 在具有模製部份的下部模具與具有装載部份的 具之間準備釋放帶; 34 200910489 將所述半導體W魏至所 將所述模製材料注人到所述模製以及, ==軸下部模具密:二及 裝之方法,^包括補弟21項所述之製造半導體晶片封 帶;在具有模製部份的下部模具與上部模具之間準備釋放 將所述半導體晶#裝制所賴製部份上; 份内將=模製材料注入到所述凸起焊球上的所述模製部 將所述上部模具與所述下部模具密封在一起。 事之^1中二利辄圍第21項所述之製造半導體晶片封 法,還包括準備所述釋放帶,所述釋放帶的厚度大 製層二度與所述凸起焊球之間的所述模 專利顧第21項所述之製造半導體晶片封 ^方法,其中所述釋放帶具有不光滑面飾。 26·如申請專鄕㈣21摘狀製造半導體晶片封 ^ 法,其中所述模製材料包括環氧樹脂模製化合物, =所述環氧樹賴製化合物在低於玻補移溫度的溫度 已圍具有低於50ppm/°C的熱膨脹係數。 27·如申請專利範圍第21項所述之製造半導體晶片封 方法,其中所述模製材料包括環氧樹脂模製化合物, 一所述J展氧樹脂模製化合物具有3Gpa或以上的彈性模 35 200910489 數 况如申請專祕_21項觀之製 裝之方法,還包括: 等體日日片封 準備包括所述半導體晶片之 在载體上安裝所述半導體晶片組,所 ^曰片、, 導體晶片之間具有晶片鋸開劃線道; 在所述半 C 錯開所述半導體晶片與所述模製声 】劃線道以將所述半導體晶片組分“半導二, 裝之2方軸21撕物造輸晶片封 模製述半導體晶片,所述 厚度之深度。 半導體Ba片與所述模製延伸部份的 〇 36
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