TW200836310A - Wafer level image sensor package with die receiving cavity and method of making the same - Google Patents
Wafer level image sensor package with die receiving cavity and method of making the same Download PDFInfo
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- TW200836310A TW200836310A TW097105435A TW97105435A TW200836310A TW 200836310 A TW200836310 A TW 200836310A TW 097105435 A TW097105435 A TW 097105435A TW 97105435 A TW97105435 A TW 97105435A TW 200836310 A TW200836310 A TW 200836310A
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
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- H01L27/144—Devices controlled by radiation
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Description
200836310 九、發明說明: 【發明所屬之技術領域】 且有於晶圓級封農結構,特定而言係有關於 妾收凹孔之載版(基板)以用於接收影像感測 為日日拉之日日圓級封裝結構。 【先前技術】 之尺牛之領域中,元件之密度持續增加且_ 小。為配合上述情況,*此高密 =.連技:之需求亦曰益增加。傳統上,覆晶封裝 面!V:附者方法中焊錫凸塊陣列係形成於晶粒之表 °卜凸塊之形成可利用焊踢複合材料透過防焊層 ;及1= 包含功率分配、信號分配、散熱、保 導。f半導體變為更加複雜,傳統封裝技術例如
C 軟性封裝、剛性封裝技術已無法滿足欲產生 具較尚您度元件之較小晶片之需求。 ,外’因傳統封裝技術必須將晶圓上之晶粒分割成各 j:粒且接著各別封裝該晶粒,故此類技術對於製造程 展為耗時。因晶片封裝技術係大為受到積體電路發 亦係ΓΓ故當電子裝置之尺寸變為高要求時,封裝技術 之錫二鱼。由於上述之理由,封裝技術之趨勢係朝向現今 曰錫東陣歹<1 (BGA)、覆晶封裝(覆晶錫球陣列(fc_bga))、 (;=、:了“CSP)、晶圓級封裝(WLP)。「晶圓級封裝」 )係被瞭解為晶圓上整體封裝、所有互連及其他程序 6 200836310 步驟係於分離成晶粒之前施行。一般而言,於完成所有組 ^程序或封裝程序之後,獨立之半導體封裝係與具數個半 導體晶粒之晶圓分開。該晶圓級封裝具有極小之尺寸並結 合極佳之電子特性。 。 晶圓級封裝(WLP)技術係為高級封裝技術,藉其晶粒 係於晶圓上予以製造及測試,且接著藉切割而分於 在表面黏著生產線中組裝。因晶圓級封裝技術利用整個晶 f圓作為二標’而非利用單―晶片或晶粒,因此於進行分離 鞋序之則,封裝及測試皆已完成。此外,晶圓級封裝(机ρ) 係如此之高級技術,因此線接合、晶粒黏著及底部填充之 =可予以忽略。藉利用晶圓級封裝技術,可減少成本及 Li且晶圓級封裝之最終結構尺寸可相當於晶粒大 小,故此技術可滿足電子裝置之微型化需求。 哔曰曰W、、及封衣技術具有上述優點,然而仍存在一些 封裝技術之接受度之問題。例如,雖湘晶圓級 =術可減少積體電路與互連基板間之熱膨脹係數 材料間之熱膨脹係數差昱變:寸二 :關鍵因素。再者,於此= =體=序ΤΓ係透 墊進入數個區域陣列形之金屬 知錫球係直㈣接於金屬塾上,而金屬墊係用重 祆序以區域陣列形式形成。一古, /、 佈又p有經堆疊之重分 上之積層上。因此,封裝之厚度會增加。 200836310 其可能與減少晶片尺寸之需求相牴觸。 關於利用晶片直接封裝(C0B)或具線接合結構之 線晶片封裝(LCC)之傳統封裝影像感測器元件之方法受 於製程期間之產量問題,其係由於微透鏡區域上 程程序後移除之粒子汙染。 表 口此本發明提供無需堆疊積層&重分佈層之擴散型 晶圓級封裝結構’以減少封裝厚度,以便克服上述問題, 且亦提供較佳之電路板級溫度循環測試可靠度。 【發明内容】 本發明係提供具有晶粒接收凹孔之晶圓級影像感測器 封裝結構。本具有晶粒接收凹孔之晶圓級影像感測器封裝 結構包含基板,其具有形成於基板上層内之晶粒接收凹 孔,其中終端墊係形成於工件之上表面及外部上。晶粒係 藉由黏膠設置於晶粒接收凹孔内,而介電層係形成於晶粒 及基板上。重分佈金屬層(rDL)係形成於介電層上且耦合 至晶粒。 此領域之技藝者應注意,開孔係形成於介電層及頂部 保濩層内以暴露晶粒之微透鏡區域以用於互補型金屬氧化 物半導體影像感測器(CIS)。最後,塗佈有紅外線濾光片之 透明蓋係選擇性形成於微透鏡區域上以用於保護。 保護層(膜)係塗佈於影像感測器晶片之微透鏡區域 上,其具有防水及防油性,可避免微透鏡區域上之粒子污 染。保護層(膜)之厚度較佳為約O.i微米至0.3微米,且其 反射率接近空氣之反射率1。製程程序可以旋塗玻璃(s〇G) 200836310 = 可以”圓形式或板晶圓形式進行,最好係 以矽日日0形式以避免於隨後之程序期間受到粒子 護層之材料可為二氧化石夕、三氧化二銘或氟聚合物… 二電層包含彈性介電層、”電型材料、苯 (BCB)或聚㈣胺(ρι)。々介電型材料包含 另則,介電層包含感光層。 。 基板之材料包含有機環氧型耐高溫玻璃纖維板 (FR5)、雙馬來醯亞胺三氮雜苯樹脂(bt ⑽)、合金或金屬。合金包含鎳鐵合金⑽。y42),^= 之鎳及58%之鐵所組成,或柯弗合金(K〇ver),由μ%之 錄、17%之始及54%之鐵所組成。另則,基板之材料可0為 玻璃、陶瓷或矽。 马 【實施方式】 本發明將以較佳之實施例及觀點加以詳細敛述,而此 類敘述係解釋本發明之結構及程序,只用以說明而非用以 限制本發明之申請專利範圍。因此,除說明書中之較佳 施例之外,本發明亦可廣泛實行於其他實施例。 本發明係揭露晶圓級封裝結構及其方法,其利用形成 進入基板内之晶粒接收凹孔。感光材料係塗佈於晶粒及預 形成之基板上。感光材料之材質較佳係由彈性㈣所形成。' 第一圖係根據本發明之一會尬办丨3 貫轭例顯不擴散型晶圓級封 ”WLP)之橫切面示意圖。如第一圖所示,擴散 級封裝㈣醫)結構包含基板2,其具有晶粒接收凹孔4 200836310 形成於其中以接收晶粒16。終端墊8係設置於基板2之上 表面上且大體上與微透鏡位於同一平面。 晶粒16係設置於基板2上之晶粒接收凹孔4内且藉由 黏膠(晶粒附著)材料14固定。如此領域之技藝者所熟知, 接觸墊(接合墊)20係形成於晶粒16上。感光層或介電層 18係形成於晶粒16上且充填入晶粒16及凹孔4側壁間^ 工隙内。複數開孔係透過光微影姓刻程序或曝光及顯影程 序形成於介電層18内。重分佈層(RDL)24,亦稱為導線 24’係藉由移除形成於介電層18上之選定部分金屬層而予 以形成於介電層18上,其中重分佈層(RDL)24係透過輸出 入知墊(接合墊)20與晶粒16保持電性連接。部分之重分佈 層之材料係充填人介電層18内之開孔中,藉此形成接觸連 k王屬22及接合墊2〇。頂端保護層%係形成以覆蓋重分 佈層(RDL)24°另一保護層12’例如防焊環氧物(solder mask epoxy) ’係形成於基板2之下表面之下。 曰η電層18係形成於晶粒16及基板2之上方且充填入 晶粒2周目之空隙内。上述結構係構成平面閑格陣⑽ 型封裝(周圍型)。 項域之技藝者應注意,開孔4〇係形成於介電声1 $ 及頂端保護層26内以暴露晶粒16之微透鏡區域42,曰以用 於互補黯屬氧化物半導體影像感測器(CIS)。如第一 a圖 ::上保:層(膜)塗料50可形成於微透鏡區域42上之微 影^^孔^—般係藉由此領域之技#者所熟知之光微 X壬序形成。於一實施例中,開孔40之下部分可於連 200836310 通開孔形成期間開啟。開孔40之上部分係於頂端保護層 26澱積之㈣成。另則,整體之開孔4〇係於頂端保心 26形成之後藉由光微影蝕刻形《。保護層⑽)係塗佈於影 像感測器晶片之微透鏡區域上,其具有防水及防油性,可 避免微透鏡區域上之粒子污染。保護層⑻之厚度較佳為 約0.1微米至0.3微米,且其反射率接近空氣之反射率ι。 製程程序可以旋塗玻璃(s〇G)技術執行,I可以石夕晶圓形 f式或板晶圓形式進行,最好係以石夕晶圓形式以避免於隨後 ^程序期間受到粒子汗染。保護層之材料可為二氧化石夕、 二氧化一紹或氣聚合物。 最後,塗佈有紅外線濾光片(IR filter)之透明蓋44係 選擇性形成於微透鏡區域42上以用於保護。透明蓋私可 由玻璃、石英等組成。 一替代實施例可參閱第二圖。導電球3〇係形成於終端 墊8之上方。此類型稱為鍚球陣列(BGA)型。基板2之材 (料較佳為有機基板,例如具已定義凹孔之環氧型耐高溫玻 璃纖維板(FR5)、玻璃纖維板(FR4)、雙馬來醯亞胺三氮雜 苯樹脂(BT)、印刷電路板(PCB)或具預蝕刻電路之鎳鐵合金 (Al^0y42)。具高玻璃化轉變溫度(Tg)之有機基板為環氧型 耐南溫玻璃纖維板(FR5)或雙馬來醯亞胺三氮雜苯樹脂(BT) 型基板。鎳鐵合金(All〇y42)係由42%之鎳及58%之鐵所組 成。柯弗合金(Kover)亦可予以利用,其係由29%之鎳、17% 之鈷及54%之鐵所組成。玻璃、陶瓷或矽因具較低之熱膨 脹係數(CTE)故可予以利用為基板。 11 200836310 基板可為圓形例如晶圓型,其半徑可為200毫米、300 毫米或以上。基板亦可為矩形例如面板型。第三圖係顯示 用於板曰曰圓型之基板2之橫切面示意圖。於第三圖之上部 分中’第一圖之封裝單元係以陣列形式排列。切判線Μ 係定義於封裝單元之間以用於分離每一單元。 本發明之一實施例中,介電層18較佳為彈性介電材 料,其係以含石夕介電型材料組成,包含石夕氧院聚合物 (' (SINR)、道康寧(D〇w Corning)WL5000 系列及其結合。 、另-實施例中,介電層18係由包含苯環丁烯(bcb°^環 氧樹脂、聚亞醯胺(PI)或樹脂之材料所組成。其較㈣ 感光層以簡化製程。 ' 本發明之一實施例中,彈性介電層為一種具有大於 100 (ppmrc)之熱膨脹係數、約4〇%之伸長率(最好如%至 5〇 /〇)及’丨於塑膠及橡膠之間之硬度之材料。彈性介電層18 之厚度係取決於在溫度㈣測試期㈣積於重分佈声曰 電層介面内之應力。 曰 入人t發明之一實施例中,重分佈層24之材料包含鈦/銅/ i 口孟或鈦/銅/鎳/金合金’其厚度係於2微米至Μ微米之 間。欽/銅合金係藉由蘭技術形成作為種子金屬^銅 /金或銅/鎳/金合金係藉由電鑛技術形成。利用電』程序妒 使重分佈層具有足夠之厚度以抵抗温度循環 ^間之熱知脹係數不匹配。金屬# 2G可為銘或銅或直社 I ϋ擴散型晶圓級封裝(F0_WLP)結構利时氧㈣ϋ (sinr)作為彈性介電層且利用銅作為重分佈層之金屬, 12 200836310 :據=示於此之應力分析,累積於重分佈層/介電層介面 内之應力則會降低。 :第一圖及第二圖所示,重分佈層(咖)24係從晶粒 擴放出且朝位於工件(載板或基板)上部分上之終端塾8向 =通二其與於晶粒上堆疊積層因而增加封裝厚度之先前 ,術不同。上述先前技術係違反減少晶粒封裝厚度之規 則。反之,終端墊餘於王件之外表面上。因此,晶 :之:度明顯銳減。本發明之封裝將較先前技術為薄曰。此 〜卜差基板係於封裝之前預先備妥。晶粒接收凹孔4係預先 二Μ #將較以前得到A幅改善。本發明揭露 佈層(RDL)上堆疊積層之擴散型晶圓級封裝 2明之程序包含提供對準工具,其具有對準圖型形 …。接者,圖樣化黏著劑係予以印刷於工具上(用以 ^附晶粒之表面),接續為利用具覆晶功能之取 準 佈已知M子晶粒於工具上使其具期望之間距 材料於ΐ:ϋ將黏者晶片於工具上。之後,印刷晶粒附著 上。接著,板結合劑係用以將基板結合至 ^:侧上。基板之上表面除凹孔之外亦黏著於圖樣化黏 s、、後’可施行真空111化,且從板晶®分離該工具。 另則,亦可利用具良好對準之晶粒 口化以確保晶粒被附著於基板上。 一旦晶粒重分佈於基板上’則施行潔淨程序以濕式清 13 200836310 先及或乾式巧洗清潔晶粒表面。其後步驟為塗佈介電材料 J ^之後知行真空程序以確保無氣泡存於板内。接 者,、施行光微影餘刻程序以開啟通孔、紹接合墊、微透鏡 區域及/或切割線(選擇性)。之後,執行離子清洗(plasma clean)步驟以清洗通孔及鋁接合墊之表面。下一步驟為濺 鑛鈦/銅作為種子金屬層,及接著塗佈光阻(pR)於介電層及 種子金屬層上以用於形成重分佈金屬層圖形。接續,進行 (電鍍程序以形成銅/金或銅/鎳/金作為重分佈層金屬,隨後 剝除光阻(PR)及進行金屬濕餘刻以形成冑分佈層金屬導 線。其後,塗佈或印刷頂端保護層及開啟微透鏡區域及切 割線(選擇性)。 於α又置球或印刷焊錫糊劑後,施行熱迴融程序以迴焊 於基板側上(用於錫球陣列)。利用垂直式探針卡⑦⑺以ad) 施行板晶圓級最終測試。於測試之後,切割基板以分離封 瓜成獨立單疋。接著,封裝單元係各別取放至托盤或捲帶 及捲軸上。 本發明之優點為·· 基板係預先備妥預形成凹孔。凹孔尺寸係等於晶粒尺 寸於每一側約加100微米。藉由填充彈性介電材料可用作 為應力緩衝釋放區域,以吸收矽晶粒與基板(耐高溫玻璃纖 維板(FR5)、雙馬來醯亞胺三氮雜苯樹脂間熱膨脹係 數不匹配所造成之熱應力。由於應用簡化之積層於晶粒表 面上方’故封裝生產率將會增加(製造循環時間減少)。終 化墊係形成於與晶粒主動面(預先形成)同平面之平面上。 14 200836310 ^粒=置程序係與現行程序相同。本發明不需心黏膠(樹 二::化合物、石夕膠等)填充程序。於板型製程期間無熱 雒;J/fp不匹配之問題,且晶粒及基板例如耐高溫玻璃纖 著材L5 之深度只有約2 5微米至3 〇微米(用於晶粒附 柘可^之厚度)。於晶粒附著於基板之凹孔上後,晶粒及基 同一水平面。唯獨含石夕型介電材料 f 、= ))係塗佈於晶粒主動面及基板(最好為耐高 維板㈣5)或雙馬㈣亞胺三氮雜苯樹脂(bt))表 。由於介電層(石夕氧烧聚合物(SINR))為感光層,故 利用光遮罩程序即得以開啟接觸連通結構。㈣烧聚合丈 佈期間之真空程序係用以消除氣泡問題。於基 一體之前,晶粒附著材料係印刷於晶粒之背 特別;^、及電路板級二者之可#度係較先前技術為佳, =板級溫度循環測試’乃因基板及印刷電路主機 ==係數為相同’故無熱機械應力作用於焊 二步驟簡化。亦㈣成多重晶粒 成於基板:上步驟2(H提供基板’其具有形 板之上声而之曰曰粒接收凹孔’其中終端墊形成於基 重分佈μ t °其後’於步驟2G2利用取放精密對準系統 之二tr之影像感測器晶月於工具上,使其具期望 之後,&牛 力步驟203附著黏谬材料於晶粒背側上。 b驟204結合基板至晶粒背側上,固化黏膠材料, 15 200836310 二離工具,塗佈介電材料於基板上以及施行真空程序。其 / μ ; 乂驟205開啟連通結構、微透鏡區域及輸出入焊墊。 接著,於步驟206濺鍍種子金屬層於介電層、連通結構及 輸出入知墊上。之後,於步驟2〇7形成重分佈金屬層於介 電層上。其後,於步驟2〇8形成頂端保護層於重分佈金屬 二上接著,於步驟209開啟頂端保護層以開啟微透鏡區 或之後,本晶圓級影像感測器封裝方法可選擇性包含步 ί 1 〇形成透明盍,其塗佈有紅外線濾光片且設置於微透 鏡區域上。 -雖本务明之較佳實施例已敘述如上,然而,此領域之 仑‘者將得以瞭解,本發明不應受限於所述之較佳實施 例二更確切言之,此領域之技藝者可於後附申請專利範圍 斤定義之本發明之精神及範圍内做若干改變或修改。 【圖式間單說明】 -一圖係為根據本發明之擴散型晶圓級封裝結構之橫 、 切面示意圖。 /、 楚 Λ
一一 圖係為根據本發明之擴散型晶圓級封裝之保護 層之示意圖。 /U 第一圖係為根據本發明之擴散型晶圓級封裝結 切面示意圖。 权 第二圖係為根據本發明之板形擴散型晶圓級封裝社 之橫切面示意圖。 、〜再 第四圖係為根據本發明之晶圓級影像感測 之流程圖。 3了展方法 16 200836310 * - 一 【主要元件符號說明】 2基板 40開孔 4晶粒接收凹孔 42微透鏡區域 8終端墊 44透明蓋 12保護層 50保護層(膜)塗料 14晶粒附者材料(黏膠材 201步驟 料) 202步驟 16晶粒 203步驟 18介電層 204步驟 20接合墊(接觸墊/金屬墊/ 205步驟 輸出入焊墊) 206步驟 22接觸連通金屬 207步驟 2 4重分佈層 208步驟 26頂端保護層 209步驟 28切割線 210步驟 30導電球 17
Claims (1)
- 200836310 ' ” * 十、申請專利範圍: 1· 一種影像感測器封裝結構,包含: 一基板,其具有形成於該基板之上層内之一晶粒接收凹 孔,其中終端墊係形成於該基板之上表面上; 一晶粒,其具有一微透鏡區域且黏置於該晶粒接收凹 内; 一介電層,其形成於該晶粒及該基板上;以及 ( :重分佈導電層,其形成於該介電層上,其中該重分佈 導電層係輕合至該終端塾,纟中該介電層具有一開孔以 暴露該微透鏡區域。 2·如請求項1所述之影像感測器封裝結構,還包含-導電 球’其耦合至該終端墊。 3·如Μ求項1所述之影像感測器封裝結構,其中該介電芦 包含一彈性介電層。 曰 4. 如請求項1所述之影像❹Η!封裝結構,其中該介電層 之材料包含切介電型材料、苯環丁埽(Β⑶ 二 醯胺(ΡΙ)。 5.=請求項4所述之影像感測器封農結構,其中該含石夕介 ^型材料包切氧烧聚合物(smR)、道康寧(D〇w CGmmg)WL500〇系列或其結合。 18 200836310 6·如請求項 包含一 所述之影像感測器封裝結構,其中該介電層 如請求項 H 所述之影像感測器封裝結構,其中該重分佈 守电增之材料包含鈦/銅/金合金或鈦/銅/鎳/金合金。 =求項1所述之影像感測器封裝結構,其中該重分佈 V電層得從該晶粒擴散出。 ^二求項1所述之影像感測器封裝結構,其中該重分佈 ^電層得向上連通至該終端墊。 10·如請求項1所述之影像感測器封裝結構,其中該基板之 材料包含環氧型耐高溫玻璃纖維板(FR5)或玻璃纖維板 (FR4) 〇 u·如請求項1所述之影像感測器封裝結構,其中該基板之 材料包含雙馬來醯亞胺三氮雜苯樹脂(BT)。 12·如請求項1所述之影像感測器封裝結構,其中該基板之 材料包含印刷電路板(PCB)。 13 ·如請求項1所述之影像感測器封裝結構,其中該基板之 19 200836310 - ' * 0 材料包含合金或金屬。 14·如請求項13所述之影像感測器封裝結構,其中該人公 包含鎳鐵合金(Alloy42)(42°/。鎳_58%鐵)或柯弗合金 (Kover)(29%鎳-17%鈷-54%鐵)。 15·如請求項1所述之影像感測器封裝結構,其中該基板之 f 材料包含玻璃、石夕或陶瓷。 16·如請求項1所述之影像感測器封裝結構,還包含一保^ 層,其形成於該微透鏡區域上以保護微透鏡免於粒子^其中該保護 18·如請求項16所述之影像感測器封裝結構, 層具有防水及防油性。 蓋,其 上。 來項1所述之影像感測器封農結構,還 其塗佈有紅外線濾光片且形成於該微 還包含一透明 f啟透鏡區域之 包含: 種用於形成半導體元件封裝之方法 20 200836310 提供一基板,其具有形成於該基板之上層内之晶粒接收 凹孔,其中終端墊係形成於該基板之上表面上; 利用取放精密對準系統重分佈已知良好之影像感測器 晶片於工具上,使其具期望之間距; ° 附著黏膠材料於晶粒背側上; 結合該基板至該晶粒背侧上,固化該黏膠材料,分離哕 工具,塗佈介電材料於該基板上以及施行真空程序; 開啟連通結構、微透鏡區域及輸出入焊墊; ;賤鑛種子金>1^於該介H該S通結構及該 墊上; 知 形成重分佈金屬層於該介電層上; 開啟該頂端保護層以開啟該微透鏡區域。元件封裝之方法, ’其形成於該微透 形成頂端保護層於該重分佈金屬層上;以元件封裝之方法, 濾光片且設置於該
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US10529671B2 (en) * | 2016-12-13 | 2020-01-07 | Taiwan Semiconductor Manufacturing Co., Ltd. | Package structure and method for forming the same |
US10644046B2 (en) * | 2017-04-07 | 2020-05-05 | Samsung Electronics Co., Ltd. | Fan-out sensor package and optical fingerprint sensor module including the same |
KR102027522B1 (ko) * | 2017-04-13 | 2019-10-01 | (주)파트론 | 광학센서 패키지 및 그 제조 방법 |
US10312276B2 (en) * | 2017-08-02 | 2019-06-04 | Omnivision Technologies, Inc. | Image sensor package to limit package height and reduce edge flare |
EP3534292A4 (en) * | 2017-11-09 | 2020-07-22 | Shenzhen Goodix Technology Co., Ltd. | OPTICAL MODULE AND PROCESSING METHOD THEREFOR AND TERMINAL DEVICE |
KR102016495B1 (ko) * | 2018-01-31 | 2019-10-21 | 삼성전기주식회사 | 팬-아웃 센서 패키지 |
US10861895B2 (en) * | 2018-11-20 | 2020-12-08 | Ningbo Semiconductor International Corporation | Image capturing assembly and packaging method thereof, lens module and electronic device |
US20230069311A1 (en) * | 2021-08-27 | 2023-03-02 | Taiwan Semiconductor Manufacturing Company, Ltd. | Structure and formation method of package containing chip structure with inclined sidewalls |
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US7183640B2 (en) * | 1999-12-13 | 2007-02-27 | Lamina Ceramics, Inc. | Method and structures for enhanced temperature control of high power components on multilayer LTCC and LTCC-M boards |
SG104293A1 (en) * | 2002-01-09 | 2004-06-21 | Micron Technology Inc | Elimination of rdl using tape base flip chip on flex for die stacking |
US7061106B2 (en) * | 2004-04-28 | 2006-06-13 | Advanced Chip Engineering Technology Inc. | Structure of image sensor module and a method for manufacturing of wafer level package |
-
2007
- 2007-02-21 US US11/708,476 patent/US20080197435A1/en not_active Abandoned
-
2008
- 2008-02-15 TW TW097105435A patent/TW200836310A/zh unknown
- 2008-02-20 CN CNA2008100072536A patent/CN101252141A/zh not_active Withdrawn
- 2008-07-09 US US12/216,641 patent/US20080274579A1/en not_active Abandoned
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106971988A (zh) * | 2015-12-11 | 2017-07-21 | 爱思开海力士有限公司 | 晶圆级封装件及其制造方法 |
CN106971988B (zh) * | 2015-12-11 | 2019-11-08 | 爱思开海力士有限公司 | 晶圆级封装件及其制造方法 |
Also Published As
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US20080274579A1 (en) | 2008-11-06 |
CN101252141A (zh) | 2008-08-27 |
US20080197435A1 (en) | 2008-08-21 |
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