TW200539246A - Semiconductor device and method for manufacturing the same - Google Patents

Semiconductor device and method for manufacturing the same Download PDF

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Publication number
TW200539246A
TW200539246A TW094116638A TW94116638A TW200539246A TW 200539246 A TW200539246 A TW 200539246A TW 094116638 A TW094116638 A TW 094116638A TW 94116638 A TW94116638 A TW 94116638A TW 200539246 A TW200539246 A TW 200539246A
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TW
Taiwan
Prior art keywords
wiring
semiconductor device
semiconductor
wiring layer
substrate
Prior art date
Application number
TW094116638A
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English (en)
Inventor
Koichi Hirano
Yoshiyuki Yamamoto
Seiichi Nakatani
Toshiyuki Kojima
Shingo Komatsu
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Matsushita Electric Ind Co Ltd
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Publication date
Application filed by Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of TW200539246A publication Critical patent/TW200539246A/zh

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    • H01L25/03Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
    • H01L25/04Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
    • H01L25/065Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L27/00
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Description

200539246 九、發明說明: 【發明所屬之技術領域】 本發明’係有關半導體裝置及其製造方法。特別係有 關包含配線基板與半導體元件(構裝於配線基板)之半導體 裝置及其製造方法。 【先前技術】 有關半導體元件與配線基板的配線連接的技術大致可 分·(1)引線接合(WB : Wire Bonding)法(例如參照曰本特 開平 4-286134 號公報),(2)覆晶接合(17(:::17111)(::}111)]3〇11(1丨1^) 法(例如參照日本特開2〇〇〇〇65〇4號公報),(3)TAB(tape automated bonding :載帶自動接合)法(例如參照日本特開 平8-88245號公報)等。以下就該等方法簡單說明。 首先’芩照圖17A、圖17B、及圖18來說明WB法。 圖1 7 A係說明半導體晶片與導線架以接合線連接狀態之俯 視圖,圖17B係圖17A之A-A截面圖。圖18係採用WB 法之半導體裝置的截面圖。 如圖17A及圖17B所示,就WB法而言,首先,將半 導體晶片501接合於導線架之焊墊504。然後,將半導體 晶片501之線接合墊502、與導線架之外部端子5〇5的内 引腳部,透過接合線503連接。其次,如圖18所示,將 包含導體晶片501及外部端子505的内引腳部之區域以密 封樹脂506密封,而獲得樹脂密封體(半導體裝置)5〇〇。
°圖19係表示採用FC 其次,參照圖19來說明FC法 6 ^200539246 法之半導體裝置600之截面構成。就FC法而言,基板6〇1 (配 線基板)之配線層與半導體晶片605之電極604係透過突塊 603連接。基板601與半導體晶片6〇5之間隙係以密封樹 脂607密封,在搶封樹脂607内埋設配線層6〇2、突塊603、 及電極604。又,在圖19中,符號6〇6係形成有電晶體等 敏感區域。 其次,參照圖20〜圖23來說明採用ΤΑβ法之半導體 I置。圖20及圖22係表示採用TAB法之半導體裝置7⑻ 之截面構成,圖21及圖23係表示將該半導體裝置7〇〇構 裝於構裝基板709後之狀態。 圖20及圖22所不之半導體裝置7〇〇包含··基底膜7〇2、 與半導體1C晶片701。半導體IC晶片7〇1係配置於形成 有基底膜702之元件孔内。在基底膜7〇2之一面上形成有 銅猪配線703。半導體IC晶片7〇1之電極7〇la係連接於 銅箔配線703之内側前端部(内引腳7〇3a)。在銅箔配線7〇3 中較内引腳703a靠外側的部分,設置外部連接用焊墊 703b。在焊墊703b連接有焊料突塊7〇6。在基底膜7〇2形 成貫穿孔702a ,且在焊墊703b的中央部形成孔7〇3c。在 基底膜702上形成被覆光阻。在元件孔内充填用以保護半 導體1C晶片701之密封樹脂7〇5。 在該半導體裝置700 ,焊料突塊706係當作外引腳之 用。如圖21及圖23所示,在構裝基板7〇9上之焊墊7〇% 上配置知料犬塊706,利用一次溶焊(refiOW)方式,將半導 體裝置700構裝於構裝基板709上。 I 500539246 然而,在採用WB法之半導體裝置500,線接合墊502、 與外部端子505係逐一連接於接合線503。因此,線接合 塾502與外部端子505的數量越多,則作業越費事,會有 生產性不佳的問題(參照圖17A及圖17B)。如圖18所示, 採用WB法之半導體裝置5〇〇的構造,係接合線503的一 , 部分配置於較半導體晶片501的下面更下方,並以密封樹 脂506將半導體晶片5〇1與接合線503密封。因此,使半 導體I置500的薄型化受到極大限制。又,由於相鄰之外 ® 部端子5〇5間的間距,而使相鄰之線接合墊502間的間距 受到限制。外部端子505係供焊接於基板。因此,為防止 發生外部端子間短路等問題,外部端子間的間距現狀係 〇.4mm程度。就算能將半導體晶片之線接合墊5〇2外部端 子間縮小’要使外部端子505間的間距縮小至較〇·4πιπ1為 小仍舊困難。如此,會妨礙半導體裝置的小型化。 採用FC法之半導體裝置600(參照圖19),會有以下問 _ 題。在採用FC法之半導體裝置600,相鄰之電極604間的 間距係較外部端子505間(參照圖17)的間距為小。因此, 對於半導體晶片605與基板60 1的對位要求極高的精度。 又,基板601亦有傾向高價的問題。其理由在於,在 採用FC法之半導體裝置,對應於半導體晶片6〇5之電極 6〇4,必須具備具有配線層6〇2(包含微細配線)之基板6〇ι。 又,當電極604的數量較多時,需要多層構造之基板6〇1(配 線基板),而導致成本提高。 又,在採用FC法之半導體裝置6〇〇,由於半導體晶片 8 200539246 605與基板601係透過突塊603連接,因此,必須使半導 體晶片605的線膨脹係數與基板6〇 1的線膨脹係數盡量一 致。當半導體晶片605的線膨脹係數與基板60 1的線膨脹 係數的差異大時,則應力會施加於突塊6〇3等,會有對半 導體晶片605與基板601的電氣連接造成損害的情形。因 此,必須嚴密進行兩者的線膨脹係數匹配,而使材料選擇 受到極大限制。 進而在採用FC法之半導體裝置6〇〇,由於在將半導 體晶片605與基板601透過突塊6〇3連接後,將樹脂(底填 劑)607充填於兩者之間隙,此點亦會導致成本提高、步驟 數增多、生產性不佳。又,採用Fc法之半導體裝置_, 相較於採WB法之半導體裝置,會有半導體晶片的散熱 性不佳的問題。在採用WB》去之半導體裝置,由於半導體 晶片之本體部的一面係透過由樹脂或焊料等構成之接合材 層而固定於導熱性高的焊塾,因&,半導體晶片的散執性 較佳。另-方面,在採FC法之半導體裝置,由於半導 體晶片605係透過突塊6〇3連接於基才反⑷,因此,半導 體晶片605之本體部之與基板6〇 ... w對向之面、與基板001 之半導體晶片605側之面,比搡用λ ...抹用WB法之半導體裝置更 分離,導致半導體晶片的散熱性 1 土 又’在採用FC法 之半導體裝置,在其製造過程中, 此極為費事。 义為成犬塊603,因 採用 在採用TAB法之半導體裝置 TAB法之半導體裝置7〇〇, 700,會有以下問題。在 於製造過程中,用以將半 9 200539246 導體1C晶片70〗之带k 、 电極701a與内引腳703連接之内引聊 接。(ILB)步驟、與用以將焊料突塊706形成於焊墊703b ^外引腳接合(〇LB)步驟,由於兩者係以完全不同的方法 來進订故極為費事。又,必須將配置於元件孔之半導體 曰曰片70 1以密封樹脂705來加以密封。該步驟亦極為費 事’對於探用TAB法之半導體裝置7〇〇而言,其生產性不 佳。 本發明係提供一種半導體裝置,其可減輕採用FC法 或TAB法之半導體裝置之不良情形。本發明係提供,例如 生產性極佳之半導體裝置。 【發明内容】 本發明之半導體裝置,具備: 第1半導體元件,包含第丨元件本體部(具有第1面 及與該第1面對向之第2面)、與設於該第1面之第1元件 電極; 配線基板’包含絕緣性基板、與形成於該絕緣性基板 之一主面之第1配線層,且配置成該一主面與第1元件本 體部之第2面相對向; 第1薄膜,覆蓋該第1半導體元件之包含第1元件電 極表面之面的至少一部分、與該配線基板之第1半導體元 件側之面的至少一部分;及 第2配線層,形成於該第1薄膜之配線基板側之面, 且包含具有第1端與第2端之第1配線; 200539246 ,' 之弟1端與該第1元件電極接合,該第 配線之弟2端與該第2配線層的一部分接合。 本發明之半導體裝置 該構農步驟如下: ^方法,係包含構裝步驟, ]第i半冷體凡件(包含第1元件本體部、與設於該第 W本體邛之#丨凡件電極)與配線基板(包含絕緣性基 板、與形成於該絕緣性基板之一 主面之弟1配線層),以使 该弟1元件本體部之設右筮 _ 有弟1π件電極之面的相反面、與 该絕緣性基板之一主面相對向的方式疊合; 取包含薄臈及第2配線層(形成於㈣膜之一主面,且 包含具有第1端與第2端之筮! Λ Μ、 仏墙 鸲之第1配線)之片狀物,將該片狀 f1配線之第1端與該帛1元件電極接合,並將該第 配線之第2端與該第1配線層的-部分接合; 以該薄膜’覆蓋該第1半導體元件之包含第i元件電 極表面之面的至少—部分、與該配線基板之第1半導體元 件側之面的至少一部分。 【實施方式】 本發明之半導體裝置之_ A丨丄 、 例中,較佳第1薄膜係實質 上透明。在此’「貫質上透明」係指,從帛i薄膜之一主
面側起至位於第1薄膜之另-主面側Ml半導體元件之 苐1元件電極、及/或形成於p A 、 風方、、纟巴緣性基板之第1配線層為可 視程度之透明。 本發明之半導體裝置之_你丨由 0 α斤 例中,季父佳第1半導體元件 11 200539246 與絕緣性基板係透過接合材接合。 本發明之半導體裝置之一例中,較佳係進一步包含電 磁波阻絕層’其形成於帛i薄膜之配線基板側之面的相反 面。 本發明之半導體裝置之一例中,較佳由第1薄膜與第 2配線層構成之積層體之第2配線層側之面的一部分,係 直接或間接密合於包含第丨半導體元件之第丨元件電極表 面之面。X ’本發明之半導體裝置之—例中,較佳係積層 體中與第2配線層側之面的一部分不同之另一部分、和第 1 7G件本體部之側面,係直接或間接密合。 本發明之半導體裝置之一例中,較佳由第1薄膜與第 2配線層構成之積層體之該第2配線層側之面,係直接或 間接抢合於第!半導體元件及配線基板;第1半導體元件, 係配置於由積層體與配線基板所圍成之密閉空間内。 本發明之半導體裝置之一例中,較佳係第1配線之第 1知與第1元件電極接合,第1配線之第2端與該第1配 線層的一部分接合。 本&月之半導體裝置之一例中,較佳係進一步包含第 3配線層’其形成於與第1薄膜之配線基板側之面的相反 面。 本發明之半導體裝置之一例中,較佳係進一步包含具 有第2 %件電極之第2半導體元件;第2元件電極係與第 3配線層接合。 本發明之半導體裝置之一例中,較佳第1薄膜之配線 12 700539246 :板側之面的相反面,係包含與第1元件本體部之第1面 同面積的平面。又,本發明之半導體裝置之-例中,較佳
斤步包含第2半導體元件,其具有第2元件本體部與 α又方、第2 70件本體部之第2元件電極;以使包含第2半導 to元件之第2兀件電極表面之面的相反面、與帛!薄膜之 平面相對向的方式,將第2半導體S件配置於第1薄膜上。 —本> 發明之半導體裝置之一例中,較佳係進一部具備: 第2薄膜’覆蓋第2半導體元件之包含第2元件電極表面 之面的至乂 —部分、與配線基板之第2半導體元件側之面 的至少—部分;及第4配線層,形成於第2薄膜之配線基 板側之面’且包含具有帛1端與第2端之第2配線;第2 配線之第1端與第2元件電極接合;與第1配線之第2端 接合之弟1配線層之一部分以外之第1配線層之另一部 分,係與第2配線之第2端接合。 本發明之半導體奘罟夕 .,, 展置之一例中,較佳係在絕緣性基板 之形成有帛1配線層之面形成凹部,且在凹部内配置第i 半導體元件。 本發明之半導體裝詈夕 .t ^ I置之一例中,較佳在絕緣性基板之 形成有第1配線層之面、盘势 — ^曰心卸與弟1元件本體部之第1面,係 貫質上位於同一面内。 本發明之半導體裝置 基板側之面的相反面實質 之一例中,較佳第 上係平面。 1薄膜之配線 本發明之半導體裝置 2半導體元件,具有第2 之一例中, 元件本體部 較佳係進一步包含第 、與設於該第2元件 13 ’200539246 本體部之第2元件電極;以使包含該第2半導體元件之# 2元件電極表面之面的相反面、與第丨薄膜之平面相對: 的方式,將第2半導體元件配置於該第丨薄膜上。 。 本發明之半導體裝置之一例中,較佳係進一部具備: 第2薄膜,覆蓋第2半導體元件之包含第2元件電極表面 之面的至少一部分、與配線基板之第2半導體元件側2面 的至少-部分;及第4配線層,形成於第2薄膜之配線基 板側之面,且包含具有帛丨端與第2端之第2配線;與二 1配線之第2端接合之該第1配線層之一部分以外之第1 配線層之另一部分,係與第2配線之第2端接合。 本發明之半導體裝置之一例中,較佳配線基板係印刷 基板或玻璃基板。 本發明之半導體裝置之製造方法之—例中,較佳在構 裝步驟’將第1半導體元件與配線基板接合。 本發明之半導體裝置之製造方法之一例中,較佳在構 鲁裝步驟’係將第i半導體元件與配線基板接合後,將第i 配線之第1端與該第i元件電極接合,並將第】配線之第 2端與第1配線層的一部分接合。 本發明之半導體裝置之製造方法之一例甲,較佳在構 裝步驟,將第1配線之第1端與第i元件電極接合後,將 第1半導體元件與配線基板接合。 壯本發明之半導體裝置之製造方法之一例令,較佳在構 裝步驟,係使用超音波振動將第丨配線之第1端與第1元 件電極接合,並將帛i配線之第2端與第i配線層的—部 14 ^200539246 分接合。 本發明之半導體裝置之製造方法之一例中,較佳在構 I步驟’將片狀物之第2配線層側之面的一部分,與包含 第1半導體元件之第1元件電極表面之面直接或間接密 合。例如,薄膜係含樹脂,在構裝步驟,將薄膜加熱使其 熱收縮,藉此使片狀物密合於包含第i半導體元件之第i 元件電極表面之面。 w丘〜取心々仏 < 們T,衩佳在該 構裝步驟,將該薄膜加熱且加壓,以將該薄膜之該第2配 線層側之面的相反面作成平面。 / ^月之半導體裝置之製造方法之-例中,較佳薄膜 仏包3未硬化狀態之熱硬化樹脂;在構裝步驟,將片狀物 加工成既定形狀後,藉由加熱使該熱硬化樹脂硬化盆 物加工成可覆蓋第丨半導體元件之包含第心 件側:面^的至少―部分、與配線基板Μ 1半導體元 第i π部分的形狀後,將第1配線之第i端與 電極接合,並將第丨配線第 的-部分接合。 K弟2鈿與弟1配線層 緣性基板之形置之1造方法之-例中’較佳在絕 驟,將第i I線層之面側形成凹部;在構裝步 ¥肢兀件配置於凹部内。 本發明之束道^ -步包含以下::體=製造方法之,,較佳係進 2配線層之面的相反而 驟後,在與薄膜之形成有第 J子目反面上,阳番目士处 配置具有弟2元件電極之第2 15 *200539246 半導體元件;在該步驟,以使包含第2半導體元件之第2 元件電極表面之面的相反面、與薄膜之平面相對向的方 式,將第2半導體元件配置於薄膜上。 以下,參照圖式來說明本發明之半導體裝置及其製造 方法之一例。在以下的圖式中,為簡化說明,將實質上具 有相同功能的構成要件附上相同的參考符號。又,本發明 未限於下述實施形態。 (實施形態1)
參照圖1〜圖3來說明本實施形態之半導體裝置。圖1A 係本貫施形悲之半導體裝置之示意截面圖,圖1B係圖1a 之半導體裝置之示意俯視圖。圖2係圖ία之半導體穿置 之示意立體圖,圖3係另一半導體裝置之示意截面圖。 圖1A、圖1B及圖2所示之半導體裝置1〇〇具備:第 1半導體元件101A、配線基板(中繼基板)3〇1、第i薄膜2〇、 及第2配線層25。第i半導體元件1〇以例如係裸晶片, 其具有:帛1元件本體部10、與第!元件電極(設於第^ 元件本體部1〇之第1面叫心配線基板3〇1含有:絕 緣性基板30、與形成於絕緣性基板 而 、 〜 土向之第 1两 線層32。配線基板3()1,例如係硬質基 的 印刷基板)。 W馮典型的 *聞不,弟i半導體元件1〇iA, i〇b(與第i元件本體部10之第 :使弟2面 …形成有第一2之面相= 配線基板301上。 式,配置於 16 •200539246 如圖1A、圖1B及圖2所示,第!薄膜20,係覆蓋第 1半導體元件101A之包含第1元件電極12a表面之面(與 第2面i〇b對向之面、或包含第i面1〇a與第^元件電極 12a表面之面)的至少一部分、與配線基板3〇1之第i半導 月豆元件1 〇 1 A側之面的至少一部分。
在第1薄膜20之配線基板301側之面,形成第2配線 層25。第2配線層25含有複數第i配線22(具有第t端與 第2 ϋ而)。各第1配線22之第1端係與第夏半導體元件丨〇 i a 之第i元件電極12a接合,其第2端係與第1配線層32的 一部分接合。因此,藉由第2配線層25,使第丨半導體元 件101A與配線基板3〇1形成電氣連接。 第1配線22之第1端與第i元件電極i2a的接合、以 夂第1配線22之第2端與帛1配線層32的接合,例如係 利用超音波振動來構成。就使用超音波振動之接合而言/ 例如較採用焊料來進行接合的情形,由於能以短時間及低 溫來接合,故較佳。 就設成上述構造之本實施形態之半導體裝置ι〇〇而 言,相較於㈣WB法、FC法、編法之半導體裝置, 具有後述之各種特徵及優點。 在本鈀形怨之半導體裝置丨〇〇,由於以使絕緣性基 板30之形成有第i配線層32之面、與第i元件本體部之 第2面議相對向的方式,來配置第i半導體元件i〇ia ’、配、、泉基板301 ’因此,可藉由晶片接合將第1半導體元 件101A與絕緣性基板3G接合。因此,半導體裝置⑽, 17 '200539246 較採用=法之半導體裝置更具有優異之散熱性。 用方、曰a片接合之接合材13(參照目⑷並益特 制,::用習知所使用之接合材。例如,可使用晶片接合、 艇、水合物型導電性糊料、焊料等。 又,在本實施形態之半導體裝置1〇〇,藉由第2配線 層25,使第1半導體元件101A與配線基板301形成電氣 連接。因lit ’在製造過程中’不必不斷地重複藉由接合線 2接線接合$ 5〇2與外部料5G5(參照β 17)。在半導 to衣置100 ’藉由第2配線層25,使複數個第夏元件電極 "人第1配線層32形成電氣連接,相較於採用WB法之 半導體裝置,可更減輕製造過程之作業費事且生產性亦 佳0 在本貫知形態之半導體裝置1 Q〇,相較於採用 法之半導體裝置,可更縮小相鄰配線間之間隔。接合線, 係僅將其兩端部固定,除此以外的部分並未固定。因此, 在藉由密封樹脂進行密封時,由於密封樹脂的流動,而必 須以使相鄰之接合線不會接觸的程度,來事先設定相鄰接 合線間之間隔。另一方面,半導體裝置丨〇〇,由於藉由形 成於第1薄膜20之第2配線層25,使第1半導體元件1〇 i A 與配線基板301形成電氣連接,因此,不必如使用接合線 的情形般需要將相鄰配線(接合線)的間隔設寬。因此,相 較於採用WB法之半導體裝置,可更縮小配線間的間隔。 又,在本實施形態之半導體裝置100,由於藉由形成 於第1薄膜20之第2配線22,使使第1半導體元件1〇1 a 18 200539246 A配線基板3 01形成電氣連接,因此,相較於採用wb法 之半導體裝置,可使半導體裝置更薄型化。 又,在本實施形態之半導體裝置1〇〇,相較於採用FC 法之半導體裝置’可抑制隨著相鄰配線間小間距化之成本 提高。在採用FC法之半導體裝置,於配線基板之既定區 域,亦即面對半導體元件的區域,#中配置多數個端子(配 線層中與突塊之連接部)。因此,必須使配線基板多層化的 情形較多。然而,若使用多層構造之配線基板,則會導致 響成本提高。在本實施形態之半導體裝£ 1〇〇,由於藉由形 成於第1薄膜20之第1配線22(構成所要圖案之第2配線 層25),使第i半導體元件1〇1A與配線基板3〇1形成電氣 連接,因此,相較於採用FC法之半導體裝置,可抑制配 線基板3 0 1之多層化,故可抑制成本提高。 又’在本實施形態之半導體裝置1〇〇,第1半導體元 件101A之線熱膨脹係數與第丨薄膜2〇之線熱膨脹係數的 匹配,不必如採用FC法之半導體裝置的情形嚴格。其理 由在於,第1薄膜20較配線基板為薄之故。此外,由於 第1薄膜20,藉由其撓性,而可吸收因第丨薄膜2〇之線 熱膨脹係數與第1半導體元件101A之線熱膨脹係數之差 異所產生之應力。 又’在本實施形態之半導體裝置100,不需要採用FC 法之半導體裝置所使用底填(under fill)劑(密封樹脂)。因 此,不需要密封樹脂之注入步驟,生產性亦佳。又,由於 第1元件電極12a與第1配線22的連接部、及第i配線層 19 ^200539246 32與第1配線22的連接部,係以第i薄膜2〇來加以保護, 故電氣連接的可靠性極為優異。 又 又,在本實施形態之半導體裝置i⑽,由於藉由第1 配線22使第1半導體元件101A與配線基板301形成電氣 連接,因此,相較於採用必須將内引腳接合(ILB)步驟、與 外引腳接合(OLB)步驟分別進行之TAB法之半導體裝置, 其可更簡單製造。 ~ ^在本實施形態之半導體裝置1〇〇中,第i薄膜Μ較佳 :貫質上透明。若第1薄膜20實質上透明,則可透過第J :膜20看到第2配線層25。又,可透過第"專膜π來確 出第1元件龟極12a的位置。因此,相較於採用FC法 之半導體裝置之突塊與配線基板配線的對位,第i配線U 之第1端與第1元件電極12a的對位、及帛i配、線22之第 而與第1配線層32的對位更容易。又,在採用Fc法之 半導體裝置的情形,不易以目視來確認連接狀況。另一方 面,在本實施形態之半導體裝置1〇〇,第i薄膜2〇實質上 係透明的情形’則能更容易以目視來進行連接確認。 第1薄膜20,例如以具有透光性之絕緣性樹脂形成。 上述樹脂,可舉例如熱可塑性樹脂(聚醯亞胺、ρρ§(聚苯 硫)、聚丙烯、聚甲基丙烯酸甲酯)等。第i薄膜2〇的厚度, 例如係ΙΟμπι〜ΙΟΟμηι,特別係以5〇μιη以下為佳。形成於 第1薄膜20上之第1配線22(第2配線層25),例如以銅 2成。第1配線22的厚度,較佳係例如5/m〜35/m。又, 第1半導體元件(裸晶)101A的厚度,較佳係例如 200539246 50μηι〜400/xrn 〇 如圖1A、圖IB及圖2所示,第1薄膜2〇,係覆蓋第 1半導體元件101A、與配線基板301之第丨霈線層32的 一部分(與第1配線22接觸的部位)。又,如圖1 a所示, 由第1薄膜20與第2配線層25構成之積層體50之第2 配線層25側之面的一部分,係與包含第i半導體元件} 〇 i a 之第1 το件電極12a表面之面直接或間接密合。藉此,由 於第1配線22之第1端與第!元件電極12a的接合部係以 第1薄膜20來加以保護,可提升連接穩定性,故較佳。 由於當積層體50 t與第2配線層25側之面的上述一部分 不同的另一部分、與第丨元件本體部1Q之4個側面中之 至少一側面直接或間接密合時,可更提升連接穩定性,故 較佳。 又,在圖1A所示之例,由第丨薄膜2〇與第2配線層 25構成之積層體5〇之第2配線層乃側之面的一部分,亦 積層體5 0之配線基板側之面, 及配線基板301直接或間接接
與配線基板301密合。即, 係與第1半導體元件1 〇 1 A ^在以積層體50與配線基板301所包圍的密閉空間内, :置第1半導體元件101A。因此,在圖ia所示之半導體 衣置100 ’第i配線22之第2端與第i配線層Μ的接合 2連接穩定性亦佳。又,在第1薄膜2()的材料使用水 又乱透過性低的材料之情形,可保護第1半導體元件⑻a 以防止濕氣,ϋ可提升半導體裝置之耐濕性。就水蒸氣透 過t生低的材料而言’可舉例如聚偏氯乙烯、聚乙烯·乙烯醇, 21 200539246 特別係以亦兼具高透㈣之H諸膜為佳。 就將上述積層體50密合於第l7t件電極⑵及 件本體部10之第1面他等之方法而言,可舉例如,將第 1涛艇20貼合於包含第i半導體元件ι〇ΐΑ之第t元件電 極⑶表面之面後’使第1薄膜20熱收縮之方法等。 在圖1A所不之半導體裝置1GG,雖將第1 it件電極12a 與第1配線22直接捲人,掩+ ^ 4 °准亦可透過突塊(例如焊料突塊、 金突塊)接合。 又’在圖1B及圖2所示之例’雖使用具有16個第i 70件:極12a之第1半導體元件i〇iA,惟第u件電極12a 的數量未限於此’例如亦可多於或少於16個。又,在圖⑶ 及圖2所示之例’雖使用第1半導體元件i〇ia(在第^元 件本體部1〇的周緣部配設有第^元件電極12a),惟,第【 半導體兀件1〇1Α未限於此,亦可使用將第i元件電極m 配設成陣列狀(格子狀)之第1半導體元件l〇1A。 〃又’在圖1及圖2所示之例,雖將第i配線22接合於 ^ 1半導體元件1〇1A(第1元件本體部H))的側面,惟厂本 實施形態之半導體裝置未限於此種形態,如圖3所示之半 導體裝置_ ’第i配線22未與第i半導體元件祕的 側面接合亦可。又’如圖i A及圖所示,亦可藉由第1 配線22的第1端將第1元件電極12a全部覆蓋,如圖3所 不亦可使第1配線22的第1端僅與第1元件電極i 2a上 面接合。 其次,參照圖4A〜圖6B說明本實施形態之半導體裝 22 200539246 置100之製造方法之一例。 首先,如圖4A所示,準備配線基板30 i (在絕緣性基 板30之一主面形成有第1配線層32)。配線基板3〇1,係 硬質基板,例如玻璃-環氧(環氧樹脂含浸於玻璃織布而成) 基板。配線基板301,亦可係例如BT(雙馬來醯亞胺三嗪) 基板、紙酚醛樹脂基板、芳族聚醯胺-環氧(環氧樹脂含浸 於芳族聚醯胺而成)基板等樹脂系基板,或是氧化鋁基板、 玻璃-氧化鋁基板等陶瓷系基板。
圖4A所不之配線基板3〇丨,雖係僅在絕緣性基板 之主面开y成配線層之單面基板,惟並未限於此。配線基 板301,亦可係在絕緣性基板3〇之兩主面形成配線層之雙 面基板,或在絕緣性基板亦形成配線層之多層基板。第】 配線層3 2,例如能以銅箔形成。 其次,如圖4B所示,準備第i半導體元件1〇1A(在第 1元件本體部的第u10a設置第u件電極12a)。 次,以使第1元件本體部1()的第2Φ 1Gb與配線基板 絕緣性基板30相對向的方式,使用接合材13將第i半 體兀件101A與配線基板(絕緣性基板3〇)進行晶片接合 第)半導體71件101幻列如係裸晶。帛1元件電極12a, 如係以銘或以叙炎+ 4、\ 、呂為主成分之合金(Al-Cu、A1_Cu_Si等) 成。 厂 另二面,如圖5A及圖5B所示,形成片狀物(在薄 薄膜20,上)。首先’如圖5A所示,在 厚腰20上心成金屬層2丨。 寻、 的材料,例如係聚醯 23 200539246 亞胺、pps(聚苯硫)、聚丙 取 一 碑 來甲基丙烯酸甲酯等。如圖 5A所示之薄膜2〇,係 乃材科,例如以聚甲基丙烯酸甲酯 形成。金屬層21,例如筏如# 係鋼泊。於薄膜20,上形成金屬層 21,例如可利用金屬箔 蜀泊貼3或金屬電鍍來進行。薄膜2〇, 的厚度,例如約^
Mm ’孟屬層21的厚度,例如約 5/un〜35μπι。
其次,將金屬層21餘刻,如圖5Β所示,在薄膜20, 之-主面形成含第1配線22之帛2配線層25。蝕刻,例 如使用光阻覆蓋既疋位置後,使用氯化鐵或氣化銅將金屬 層21中不要的部分予以化學去除。 其次,如圖6Α所示,以由第2配線層25與薄膜2〇, 構成之片狀物50’,覆蓋第丨半導體元件1〇1Α之包含第i 元件電極12a表面之面、以及配線基板3〇丨之第丨半導體 元件101A側之面的一部分。此時,以將第丨配線22(構成 第2配線層25)之苐1端與與第1元件電極12a接合,並 且將第1配線22之第2端與配線基板3〇 1之第1配線層32 的一部分接合的方式進行對位。該對位若薄膜20,為實質 上透明則容易進行。又,亦可在第1元件電極12a上形成 突塊,或是透過突塊將第1元件電極12a與第1配線22之 第1端接合。 其次,如圖6B所示,將除第1半導體元件1 〇 1A與配 線基板301接合之面以外之全部表面及配線基板301之第 1半導體元件101A側之面的一部分,與由第2配線層25 與薄膜20’構成之片狀物50’密合。就密合方法而言,例如 24 •200539246 可利用薄膜20,之熱收縮等。在使薄膜20,熱收縮時,可將 環境氣氛減壓。 又,當利用薄膜20,之熱收縮使片狀物50,與第1半導 體凡件101A等密合時,考慮薄膜20,之熱收縮程度,在熱 收縮後’以使第1配線22之第1端與第1元件電極丨2a、 以及使第1配線22之第2端與第1配線層32形成電氣連 接的方式,而必須事先將第2配線層25形成於薄膜20,。 例如’考慮薄膜20 ’之熱收縮程度,將複數第1配線22(包 含於第2配線層25)間之間隔擴大即可。 又’為使片狀物50,對第1半導體元件l〇iA等之密合 容易進行,可於薄膜20,之與第1半導體元件1〇1Α等對向 之面’例如事先局部塗布黏著劑等。在圖6A及圖6B,符 號30係絕緣性基板。 其次,將第1配線22之第1端與第i元件電極12a、 以及使第1配線22之第2端與第1配線層32的一部分, φ 例如利用超音波振動整體接合。第1配線22之第1端與 第1兀件電極12a、以及使第1配線22之第2端與第1配 線層32,亦可使用焊料等接合。 在本實施形態之半導體裝置之製造方法,使用薄膜 2〇’(包含未硬化狀態之熱硬化樹脂),將片狀物5〇,加工成 既定形狀後,藉由加熱使熱硬化樹脂硬化,接著將片狀物 5〇’加工成可覆蓋第1半導體元件101A之包含第1元件電 極12a表面之面、以及配線基板3〇1之第丨半導體元件側 之面的至少一部分,然後將第1配線之第1端與第1 25 * 200539246 凡件電極12a接合’且將第1配線22之第2端與第1配線 層3 2的一部分接合亦可。 又’在使用圖4A〜圖6B說明本實施形態之半導體裝 置之製造方法,雖在將第1半導體元件101A與配線基板301 接σ後,接著將第1配線22之第1端與第1元件電極12a 接合,且將第i配線22之第2端與第i配線層32的一部 分接合’惟,本實施形態之半導體裝置之製造方法未限於 此。例如,亦可在將第1配線22之第1端與第1元件電 極12a接合後,再將第丨半導體元件1〇1A與配線基板3〇1 接合。在將第1半導體元件101A與配線基板3〇1接合之 丽,將第1配線22之第1端與第1元件電極12a接合的情 形,第1配線22之第1端與第i元件電極12a的對位容易 進行,故較佳。 其次,參照圖7〜圖1 1說明本實施形態之半導體裝置 10 0之另'一例。 _ 在圖7所示之半導體裝置1〇〇,由於在第!薄膜2〇之 形成有第2配線層25之面的相反面形成電磁波阻絕層24, 故可抑制第1半導體元件所放射的電磁雜訊放射至外部。 電磁波阻絕層24,係形成於上述相反面大致全面。就電磁 波阻纟巴層24的材料而言,例如可選自銅、錄、金、鐵、 銀及肥粒鐵所構成的群組之至少一種。 在圖8所示之半導體裝置100,於第!薄膜2〇之配線 基板301側之面的相反面,係包含第丨元件本體部之第工 面l〇a與同面積以上的平面2〇a。如此,當第i薄膜包 26 200539246 3上述平面20a,則如圖9所示,容易將電子零件(此例係 第2半導體元件1〇1Β)配置於該平面20a上。又,上述平 面20a的平坦度,係只要容易配置第2半導體元件 的程度即可。 為了將第1薄膜20之配線基板301側之面的相反面設 成平面,例如可在將薄膜2〇,(構成第1薄膜20)加熱使其 變軟的狀態時,對薄膜2〇,進行施壓即可。 在圖9所示之半導體裝置1〇〇,係包含2個半導體元 件’在第1半導體元件1〇1 A的上方配置第2半導體元件 101B第1半導體元件101A,係藉由第2配線層25之第 1配線22而連接於第!配線層32的一部分32八。第2半 導體元件101B,係藉由接合線40而與第i配線層32的一 部分32A不同之第}配線層32的另一部分32B連接。 圖9所示之半導體裝置1〇〇,相較於利用WB法將第i 半導體元件1〇1Α及第2半導體元件1〇1B兩者與配線基板 30 1形成電氣連接而成之半導體裝置,具有下述優點。就 利用WB法將第i半導體元件1〇1A及第2半導體元件ι〇ΐβ 兩者與配線基板301形成電氣連接而成之半導體裝置而 言,如圖9所示之半導體裝置10〇般,採用將大致相同尺 寸之複數個半導體元件上下配置而成之疊層(stack)構造會 有困難。其理由在於,在將大致相同尺寸之複數個半導體 元件上下配置的情形,就配置於下方之半導體元件而言, 以接合線將第1元件電極與第1配線層連接會有困難。相 對於此,在本實施形態之半導體裝置1〇〇,如圖9所示, 27 •200539246 就第1半導體元件1 〇 1A而言,由於係透過第1配線22而 與配線基板3 0 1形成電氣連接,因此,容易採用將實質上 相同尺寸之第1半導體元件101A及第2半導體元件101B 上下配置而成之疊層構造。 又’在利用WB法使第1半導體元件1Q1A及第2半 導體元件101B與配線基板301形成電氣連接的情形,就 與配置於第2半導體元件101B下方之第1半導體元件 連接之接合線環的高度而言,必須盡量將其降低。但,在 本實施形態之半導體裝置100,第1半導體元件1〇1Α與配 線基板3 01的連接,由於不必使用接合線,而係透過第i 配線22使第1半導體元件1 〇 1 A與配線基板3〇 1形成電氣 連接,故可不必考慮接合線環的高度。 在第1薄膜20上配置第2半導體元件1〇1B的情形, 半導體裝置100可設成如圖10所示之形態。在圖1 〇所示 之半導體裝置100,係以使包含第2半導體元件ι〇1Β之第 2元件電極12b表面之面的相反面與第1薄膜2〇之平面2〇a 相對向的方式,將第2半導體元件101B配置於第1薄膜2〇 上。 圖10所示之半導體裝置100,係具備:第2薄膜41 ; 及第4配線層45,形成於第2薄膜41之配線基板3〇丨側 之面,且包含第2配線42。第2配線42具有第丨端與第 2端。第2薄膜41,係從第2元件電極12b側覆蓋第2半 V肢元件101B之包含第2元件電極i2b表面之面(包含第 2元件電極12b表面、與第2元件本體部n之第i薄膜2〇 28 •200539246 側之面的相反面)、與配線基板30丨之第2本道w l
卞冷體兀件101B 側之面的一部分。 第2配線42之第1端係接合於第2元件電極⑶,第 2配線42之第2端係接合於與第【配線層32的一部分μα 不同之第1配線層32的另一部分32B。又,力同1Λ 在圖10所示 之半導體裝置100,雖設成將2個半導體元件1〇lA、ι〇ΐΒ 積層而成之疊層構造,惟’半導體元件的數量並未特別限 制,亦可積層3個或3個以上之半導體元件。 如圖11所示,若在第!薄膜20之形成有第2配線層 之面的相反面形成第3配線層36,在第丨薄膜2〇之平面 2〇a ®己置構成第3配線層36之配線的—端,則可在配線的 一端上進行第2半導體元件1(ΗΒ之覆晶構褒。在上述配 線的另一端,例如透過設於第丨薄膜2〇内之導通孔26而 與第1配線層之一部分32Β形成電氣連接。 又,亦可在第1薄膜20内未設置導通孔26,如圖ιιβ 所示:將由第"專膜20與第3配線層3“冓成之積層體的 端部彎曲,而使構成第3配線層36之配線與第i配線層 之一部分32B形成電氣連接。 以圖1〜® 11說明之本施形態之半導體裝置,雖透過 接合材將帛丨半導體元件接合於配線基板’惟,例如若藉 由第1薄膜將帛1半導體元件固定於既定位置,則亦可不 必將第1半導體元件接合於配線基板。 (實施形態2) 其次,參照圖12〜圖16說明本實施形態2之半導體裝 29 * 200539246 置200之另一例。 如圖12所示,在本實施形態之半導體裝置2〇〇,於絕 緣性基板30之第1面側形成凹部35,在該凹部35内配置 第1半導體元件101A。此點係與實施形態丨之半導體裝置 不同。其他點由於與實施形態丨之半導體裝置相同,故省 略其說明。 在本實施形態之半導體裝置2〇〇,由於第i半導體元 件101A係配置於凹部35内,故可將半導體裝置2⑻外形 之凹凸減低。又,亦可將半導體裝置2〇〇薄型化。 如圖12所示,較佳係將第i半導體元件1〇1八之第五 =件本體部10的第i面1〇a、與絕緣性基板3〇之形成有 第1配線層32之面30a設成實質上同一面内。其理由在於, 可進—步將半導體裝置2〇〇外形之凹凸減低。若使用圖12 所不之半導體裝置2〇〇,則例如可將謀求薄型化之可攜式 钱杰等之設計佈局的複雜化降低。 又,在圖12所示之半導體裝置2〇〇,在第i薄膜2〇 之形成有第2配線層25之面的相反面大致全面形成平面 2〇a因此,容易將電子零件配置於第1薄膜20之上述平 ^固丨3所示’若在第1元件本體部的第1面l〇a之中 之第1疋件電極12a間密合第1薄膜20,則可提高第i元 件電極12a間之絕緣耐壓。 在圖 導體元件 13所示之半導體裝置200,於凹部35與第1半 1 〇 1A之間雖存在有間隙,惟,如圖1 4所示,亦 30 • 200539246 可將凹部35的形狀與第i半導體元件之第i元件本體部μ 的形狀設成大致相等,並將凹部35與第丨半導體元件之 間的間隙去除。若將凹部35的形狀與第i元件本體部1〇 的形狀大致相等’則容易進行第丨元件電極⑵與第2配 線層25之對位。又’若將絕緣性基板3()與第i元件本體 部1〇的側面接合,則可提高第i半導體元件的散熱性。豆
又,如圖15所示’在第i薄膜2〇之形成有第2配線 層25之面的相反面大致全面係平面2〇a,平面2〇a的面積 可車又第1半導體元件101A之第1元件本體部1〇的第^面 l〇a的面積為大。在此情形,於第i薄膜2〇之上述平面2以 上,例如可配置俯視較第丨半導體元件1〇1A的面積為大 之其他半導體元件,或是配置複數個半導體元件。 如圖16所示,若將第2配線層25配置成與絕緣性基 板30之形成有第1配線層32之面30a大致平行,則可將 配線長縮短,故有利於高速響應。 在本貫施形怨之半導體裝置200,亦與實施形態1之 半導體裝置同樣地,可設成包含至少2個半導體元件之疊 層構造。在本實施形態之半導體裝置,由於第1半導體元 件101A係配置於凹部35内,因此就算是疊層構造,相較 於貫施形態1之半導體裝置,可將半導體裝置的高度更降 低,而能薄型化。 如圖16所示,在本實施形態之半導體裝置2〇〇,亦可 在凹部35的底面上配置金屬層37,並在金屬層37上配置 第1半導體元件101A。若將第1半導體元件i〇iA配置於 31 200539246 金屬層37上,則金屬層37可當作散熱板而作用,故可提 高第1半導體元件i 0 1A的散熱性。 在實施形態1及實施形態2,雖以第i薄 第1半導體元件麗之包含第【元件電極二=: 全面,惟,亦可以第i薄膜20來覆蓋第i半導體元件ι〇ΐΑ 之包含第1元件電極12a表面之面的一部分。又,在圖1〇 所示之例,雖以第2薄膜41來覆蓋第2半導體元件ι〇ΐβ 之包含第2元件電極12b表面之面全面,惟,亦可以第2 .薄膜41來覆蓋第2半導體元件1〇13之包含第2元件電極 12b表面之面的一部分。 在實施形態1及實施形態2,雖已說明第1半導體元 件101A係裸晶的情形,惟,半導體元件未限於裸晶。第i 半導體元件101A,例如亦可設成晶片尺寸封裝體(csp)構 造° 又,第1半導體元件1G1A,典型上雖係記憶體IC晶 •片、邏輯1C晶片、或系統LSI晶片,惟,亦可係發光二 極體(LED)晶片。若使用LED晶片當作第i半導體元件 101A,第1薄膜20對LED所發出之光實質上透明,則能 實現發光元件(半導體裝置)。 在使用LED晶片當作第1半導體元件i 〇丨A的情形, 若螢光體在弟1薄膜20内分散’則可實現利用由[ED晶 片之出射光與由螢光體發出之光兩者之發光元件。 在實施形態1〜2之半導體裝置係白色發光元件的情 形’就第1半導體元件101A而言,可使用射出藍色光之 32 200539246 LED晶片’並使螢光體在第1薄膜2〇内分散。就螢光體 而言’使監色光轉換為黃色光之螢光體。如此,利用藍色 光及黃色光’可獲得白色光。在此情形,就LED晶片而言, 較佳可使用以氮化鎵(GaN)系材料構成之led晶片,就螢 光體而言,可使用(γ · Sm)3(A1 · Ga) 5012 : Ce、 (Y0.3S)Gd0 5 7Ce0 03 Sm0 01) 3Α15〇12 等。 就第1半導體元件101A而言,除了藍色LED晶片之 外,亦可使用發出紫外光之紫外LED。在此情形,藉由從 紫外LED晶片產生之光之觸發,使發出紅(R)、綠(G)及藍 (B)之光之螢光體分散於第1薄膜2〇,則能實現白色發光 元件。如此,藉由適當選擇led晶片的種類與螢光體的種 類,則可實現發出所要之色的發光元件。 又’配線基板可為玻璃基板,其具備玻璃板、與包含 南透明性導電性材料(例如,銦-錫系氧化物)之配線層。若 使用具有透光性之玻璃板作為配線基板,並使用對入射光 實質上透明之薄膜,則可提供可使從第i半導體元件1〇1 A 側射入之光透射過配線基板側之具有透光性之半導體裝 置。又,在此情形,若使用LED晶片等作為第i半導體元 件101A ’則可使從LED晶片產生之光透射過配線基板側。 具有透光性之半導體裝置,例如作為液晶顯示器等之零件 極為有用,可使從背光產生之光透射過。 以下,更具體說明本發明之半導體裝置之一例,惟, 本發明之半導體裝置未限於下述實施例。 (實施例1) 33 ^ 200539246 首先’準備由厚〇.4mm之玻璃-氧化鋁陶瓷構成之配 線基板(京陶瓷株式會社製)。該配線基板之配線層,係以 銅層與在銅層上施以無電解鎳鍍層及無電解金鑛層構成。 其次’準備外形4mm角、厚〇.i5mm之半導體元件。 然後透過晶片接合薄膜(新日鐵化學株式會社製,ΝΕΧ-13 0),將该半導體元件接合於配線基板。其次,使用粗 之金線’在半導體元件之元件電極上形成突塊。 另一方面,準備由厚25/xm之聚醯亞胺薄膜、與接合 於《亞胺薄膜之# 9μηι之銅箱構成積層薄膜(新日鐵化 學株式會社製),然後將上述銅箔成形為既定形狀。其次, 將成形後之銅羯施以鎳鍍及金鍍,俾形成片狀物(在聚醯亞 胺薄膜之一主面形成有配線層)。 其次,以使半導體元件之元件電極、與構成配線層之 複數配線中之既定配線之帛!端疊合的方m狀物配 置於半v體元件上。其次,邊施加超音波邊以平板工具對 片狀物進行加熱及加壓,以使半導體元件之元件電極與配 線形成電氣連接。 其次,將上述既定配線之第2端疊合於配線基板之配 線層之既定位置後,將超音波工具緊壓於配線之第2端與 配制接合之部分,邊加壓邊師家超音波,以使上述配線 之第2鳊與配線基板之配線層形成電氣連接。如上述般, 而獲得半導體裝置。 其次,將半導體裝置放置於溫度3〇t:、溼度6〇%之恆 溫悝濕槽0 192 +日寺,然㈣行峰值溫度$ 26〇t之炼焊 34 -200539246 (refl〇w)測試。於炫焊測試後,在元件電極與片狀物之配線 的連接一77 i線基板之配線層與片狀物之配線的連接部 分,並未發現異常。又,於於 於I烊測試後,將半導體裝置放 置於一 6 5 °C的環境氣氛3 〇八私 ^〆 汛30刀知、接著放置於150〇C的環境 氣氛3 0分鐘之1週期的彡品冼 义』的钴作進行1000次後,測定連接電 阻。若連接電阻的變動在10〇/ 文切隹i〇/〇u内,則確認其可保持良好 的電氣連接。 (實施例2) 準備具有深約0.13mm夕阳Μ ^ ^ _ 之凹部、厚〇.4mm之4層玻璃 玉衣氧基板(日立化成工紫姓a 风工菜株式會社製,E_679F),作為配線 基板。該配線基板之配線層,係以厚18㈣之銅層與在銅 層上施以無電解鎳鍍層及無電解金鍍層構成。 /、人準備夕I形4mm角、厚〇 lmm之半導體元件。 在該半導體元件之元件電極上,使用粗25_之金線以形 成突塊。 八另一方面,準備由厚50Mm之液晶聚合物薄膜、與接 。方、液aa ♦合物薄膜之厚12^m之銅箔構成積層薄膜(新曰 鐵化學株式會社製)、然後將上述銅错成形為既定形狀。其 -人,將成形後之銅箱施以鎳鍍及金鍍,俾形成片狀物(在液 晶聚合物薄膜之一主面形成有配線層)。 …其次,以使半導體元件之元件電極、與構成配線層之 複數配線中之既定配線之第1端疊合的方式,將片狀物配 置於半導體7G件上。其次,邊施加超音波邊以平板工具對 片狀物進行加熱及加壓,以使半導體元件之元件電極與配 35 -200539246 線形成電氣連接。 其次,將導電性接著劑(那米克斯株式會社製)印刷於 配線基板之配線層上之既定位置。然後,將半導體元件收 容:配線基板之凹部内,接著將片狀物之既定配線之第2 =疊合於配線基板之配線層之既定位置。其次,將上述既 疋配線之帛2鳊與配線層接合的部分,邊加壓邊加熱以使 導電性接著劑硬化,而使上述既定配線之帛2端與配線基 板之配線層形成電氣連接。如上述般,而獲得半導體裝置。 其次’將半導體裝置放置於溫度3(rc、溼度6〇%之恆 /皿怪濕槽Θ 192小時,然後進行峰值溫度S 260°C之炫焊 測試。於料測試後,纟元件電極與片狀物之配線的連接 部分、配線基板之配線層與片狀物之配線的連接部分,並 未發現異常。又,於熔焊測試後,將半導體裝置放置於一 65 C的環境氣氛30分鐘、接著放置於15〇。。的環境氣氛川 分鐘之1週期的操作進行1〇〇〇次後,測定連接電阻。若 連接電阻的變動在10%以内,則確認其可保持良好的電氣 連接。 WB ,可 依本發曰月,可提供一半導體裝置,其可減輕採用 法、FC法或TAB &之半導體裝置之不良情況。例如 提供生產性優異之半導體裝置。 在本發明之詳細說明之具體實施形態或實施例,僅係 用以使本發明之技術内容明石當& 0 甘T rir 义+知η <议彳TT門谷a確而已,其不應狹義解釋僅限 於上述具體利,在本發明之精神與記載於申請專利範圍 内,可作各種變更及實施。 36 * 200539246
明 說 ί 簡 式 圖 rL 圖1 A係本發明之實施形態1之半導體裝置之一例之 示意截面圖。 圖1B係圖1A之半導體裝置之示意俯視圖。 圖2係圖1A之半導體裝置之示意立體圖。 圖3係本發明之實施形態1之半導體裝置之另一例之 示意截面圖。 修圖4A及圖4B係說明實施形態1之半導體裝置之製造 方法之一例之步驟之截面圖。 圖5 A及圖5B係說明實施形態1之半導體裝置之製造 方法之一例之步驟之截面圖。 圖6A及圖6B係說明實施形態1之半導體裝置之製造 方法之一例之步驟之截面圖。 圖7係本發明之實施形態1之半導體裝置之另一例之 示意截面圖。 • 圖8係本發明之實施形態1之半導體裝置之另一例之 示意截面圖。 圖9係本發明之實施形態1之半導體裝置之另一例之 示意截面圖。 圖1 〇係本發明之實施形態1之半導體裝置之另一例之 示意截面圖。 圖1 1 A係本發明之實施形態1之半導體裝置之另一例 之示意截面圖。 37 * 200539246 圖1 1B係本發明之實施形態1之半導體裝置之另一例 之局部放大圖。 圖1 2係本發明之實施形態2之半導體裝置之一例之示 意截面圖。 圖1 3係本發明之實施形態2之半導體裝置之另一例之 示意截面圖。 圖14係本發明之實施形態2之半導體裝置之另一例之 示意截面圖。
圖15係本發明之實施形態2之半導體裝置之另一例之 示意截面圖。 圖16係本發明之實施形態2之半導體裂置之另—例之 示意截面圖。 圖17A係說明半導體晶片與導線框藉由引線接合狀雖、 之俯視圖。 圖係圖17A之A-A截面圖。 圖1 8係表示採用WB法之習知半導體裝置之一么丨a & 且、例之截 面圖。 圖19係表示採用FC法之習知半導體裝置之 .? 不罝夂一例之截 圖2〇係表示採用 截面圖。 TAB法之習知半導體裝 置之一例之 圖21係說明將圖 板狀態之戴面圖。 圖22係表示採用 20所示之半導體裝置構裝於構裝基 TAB法之習知半導體裝置之另—例 38 • 200539246 之截面圖。 圖23係說明將圖22所示之半導體裝置構裝於構裝基 板狀態之截面圖。
【主要元件符號說明】 101A 第 1半導體元件 101B 第 2半導體元件 10 第 1元件本體部 11 第 2元件本體部 10a 第 1面 10b 第 2面 12a 第 1元件電極 12b 第 2元件電極 20 第 1薄膜 21 金屬層 22 第 1酉己線 24 電磁波阻絕層 301 配線基板 30 絕緣性基板 32 第 1配線層 25 第 2配線層 36 第 3配線層 35 凹部 37 金屬層 39 200539246 100 、 200 半導體裝置 片狀物 50,

Claims (1)

  1. •200539246 十、申請專利範圍: 1 · 一種半導體裝置,具備: 第1半導體元件,包含第1元件本體部(具有第1面及 與該第1面對向之第2面)、與設於該第1面之第1元件電 極; 配線基板,包含絕緣性基板、與形成於該絕緣性基板 之一主面之第1配線層,且配置成該一主面與第1元件本 體部之第2面相對向; • 第1薄膜,覆蓋該第1半導體元件之包含第1元件電 極表面之面的至少一部分、與該配線基板之第丨半導體元 件側之面的至少一部分;及 第2配線層,形成於該第1薄膜之配線基板側之面, 且包含具有第1端與第2端之第1配線; 該第1配線之第1端與該第1元件電極接合,該第1 配線之第2端與該第2配線層的一部分接合。 2·如申請專利範圍第1項之半導體裝置,其中,該第 ♦ 1薄膜係實質上透明。 3·如申請專利範圍第1項之半導體裝置,其中,該第 1半導體元件與絕緣性基板係透過接合材接合。 4·如申請專利範圍第1項之半導體裝置,其中進一步 包含電磁波阻絕層,其形成於該第丨薄膜之配線基板側之 面的相反面。 5·如申請專利範圍第1項之半導體裝置,其中,由該 第/專膜與第2配線層構成之積層體之該第2配線層側之 41 * 200539246 半導體元件之包 面的σ卩刀,係直接或間接密合於該第 含第1元件電極表面之面。 其中,該積 一部分、和 6·如申請專利範圍第5項之半導體裝置, 層體中與第2配線層側之面的一部分不同之另 第1 7L件本體部之側面,係直接或間接密合。 —7:如申請專利範圍帛"員之半導體裝置,其中,由該 第1薄膜與第2配線層構成之積層體之該第2配線層側之
    f:係直接或間接密合於該"半導體元件與配線基板; 3亥弟1半導體it件’係配置於由該積層體與配線基板所圍 成之密閉空間内。 8.如申請專利範圍帛"貝之半導體裝置,其中,該第 1配線之f 1端與該第i元件電極接合,該第1配線之第 2端與該第1配線層的一部分接合。 9·如申請專利範圍第1項之半導體裝置,其係進一步 包含第3配線層,其形成於該第丨薄膜之配線基板側之面 的相反面。 10.如申請專利範圍第9項之半導體裝置,其係進一步 包含具有第2元件電極之第2半導體元件; 違第2元件電極係與該第3配線層接合。 11 ·如申請專利範圍第1項之半導體裝置,其中,該第 1溥膜之配線基板側之面的相反面,係包含與第1元件本 體部之第1面同面積以上的平面。 1 2 ·如申請專利範圍第1 1項之半導體裝置,其係進一 步包含第2半導體元件,具有第2元件本體部、與設於該 42 200539246 弟2元件本體部之第2元件電極; 以使該第2半導體元件之包含第2元件電極表面之面 的相反面、與該第丨薄膜之平面相對向的方式,將該第2 半導體元件配置於該第1薄膜上。 13.如申請專利範圍第12項之半導體裝置,其係進一 部具備: 〃 $ 第2薄膜’覆蓋該第2半導體元件之包含第2元件電
    極表面之面的至少一部分、與該配線基板之第2半導體元 件側之面的至少一部分;及 第4配線層,形成於該第2薄膜之配線基板側之面, 且包含具有第1端與第2端之第2配線; 該第2配線之第丨端與該第2元件電極接合; 之一部分 之第2端 與該第1配線之第2端接合之該第丨配線層 以外之第1配線層之另一部分,係與該第2配線 接合。 14·如申請專利範圍第丨項之半導體裝置,其中,在1 絕緣性基板之形成有第丨配線層之面形成凹部了且在該: 部内配置該第1半導體元件。 15.如申請專利範圍帛14項之半導體|置,其中,在 該絕緣性基板之形成有帛1配線層之面、與該第i元件本 體部之第1面,係實質上位於同一面内。 如中請專利範圍第14項之半導體I置,其中,該 第1溥膜之配線基板側之面的相反面實質上係平面。 17·如申請專利範圍第16項之半導體裝置 其係進一 43 200539246 步包含第2半導體元件,具有第2元件本體部、與設於該 第2元件本體部之第2元件電極; 乂使°亥第2半導體元件之包含第2元件電極表面之面 的相反面、與該第1薄膜之平面相對向的方式,將該第2 半導體元件配置於該第1薄膜上。 18·如申請專利範圍第17項之半導體裝置,其係進一 部具備: ^ 第2薄膜,覆蓋該第2半導體元件之包含第2元件電 極表面之面的至少一部分、與該配線基板之第2半導體元 件側之面的至少一部分;及 第4配線層,形成於該第2薄膜之配線基板側之面, 且包含具有第1端與第2端之第2配線; 與該第1配線之第2端接合之該第丨配線層之一部分 以外之第1配線層之另一部分,係與該第2配線之第2端 接合。 1 9 ·如申呀專利範圍第1至丨8項中任一項之半導體裝 置,其中,該配線基板係印刷基板或玻璃基板。 2〇·-種半導體裝置之製造方法,係包含構裝步驟,該 構裝步驟如下: 元件本體部、與設於該第 將第1半導體元件(包含第1 1元件本體部之第i元件電極)與配線基板(包含絕緣性基 板、與形成於該絕緣性基板之—主面之第丨配線層),以使 該第^元件本體部之設㈣i元件電極之面的相反面、與 該絕緣性基板之一主面相對向的方式疊合; 44 200539246 取包含薄膜及第2配線層(形成於該薄膜之一主面,且 包含具有第1端與第2端之第i配線)之片狀物,將該片狀 物之第1配線之第1端與該第1元件電極接合,並將該第 1配線之第2端與該第丨配線層的一部分接合,· 以。亥/專膜,|蓋該帛i半導體元件之包含帛1元件電 極表面之面的至少_部分、與該配線基板之第1半導體元 件側之面的至少一部分。
    21·如申睛專利範圍第2〇項之半導體裝置之製造方 法’其中’在該構裝步驟’將該帛i半導體元件與配線基 ' 22.如申請專利範圍第21項之半導體裳置之製造方 其中,在該構裝步驟,係將該第1半導體元件與配線 :板接合後’將該第1配線之第1端與該帛1元件電極接 〇亚將5亥弟1配線之第2端與該第1配線層的-部分接 23.如申請專利範圍第21項之半導體裝置之製造方 _ 巾在㈣裝步驟,將該第1配線之第1端與該第 70件電極接合後’將該第1半導體元件與配線基板接合。 "5月專利範圍帛20 J員之半導體裝置之製造方 錄L中’在該構裝步驟’係使用超音波振動將該第1配 ;f 1端與該第1元件電極接合,並將該第1配線之第 2端與該第W線層的-部分接合。 弟 法,如申請專利範圍第2G帛之半導體裝置之製造方 令’在該構裝步驟’將該片狀物之第2配線層侧之 45 200539246 面的-部分、與該帛(半導體元件之包含第(元件電極表 面之面直接或間接密合。 26. 如申請專利範圍第25項之半導體裝置之製造方 法,其中,該薄膜係包含樹脂; 在該構裝步驟,將該薄膜加熱使其熱收縮,藉此使該 片狀物密合於該第1半導體元件之包含第1元件電極表面 之面。 27. 如申請專利範圍第2〇項之半導體裝置之製造方 :,其中,在該構裝步驟’將該薄膜加熱且加壓,以將該 薄膜之該第2配線層側之面的相反面作成平面。 28·如申請專利範圍第2〇項之半導體裝置之製造方 法,其中,該薄膜係包含未硬化狀態之熱硬化樹脂; 在該構裝步驟’將片狀物加工成既定形狀後,藉由加 熱使該熱硬化樹脂硬化,接著將該片狀物加工成可覆蓋該 第1半導體元件之包含第i元件電極表面之面的至少一部 分、與該配線基板之第丨半導體元件側之面的至少一部分 的形狀後,將該第1配線之第i端與該第i元件電極接合, 並將該第1配線之第2端與該第i配線層的一部分接合。 29·如申請專利範圍第20項之半導體裝置之製造方 法,其中,在該絕緣性基板之形成有該第丨配線層之面側 形成凹部; 在該構裝步驟,將該第丨半導體元件配置於該凹部内。 30·如申請專利範圍第27項之半導體裝置之製造方 法,其係進一步包含以下步驟: 46
    •200539246 在該構裝步驟後,在該薄膜之形成有該第 面的相反面上,配置具有第2元件電極之第2二 在該步驟,以使第2半導體元件之包含第 表面之面的相反面、與該薄膜之平面相對向的 第2半導體元件配置於該薄膜上。 十一、圖式: 如次頁 2配線層之 -導體元件; 2元件電極 方式,將該
    47
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