TW571421B - Semiconductor device and method of manufacturing the same - Google Patents
Semiconductor device and method of manufacturing the same Download PDFInfo
- Publication number
- TW571421B TW571421B TW091124700A TW91124700A TW571421B TW 571421 B TW571421 B TW 571421B TW 091124700 A TW091124700 A TW 091124700A TW 91124700 A TW91124700 A TW 91124700A TW 571421 B TW571421 B TW 571421B
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- Prior art keywords
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- semiconductor device
- terminal
- semiconductor wafer
- pins
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Classifications
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- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L24/85—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a wire connector
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- H01L21/4814—Conductive parts
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- H01L21/50—Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the subgroups H01L21/06 - H01L21/326, e.g. sealing of a cap to a base of a container
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- H01L24/97—Batch processes at chip-level, i.e. with connecting carried out on a plurality of singulated devices, i.e. on diced chips the devices being connected to a common substrate, e.g. interposer, said common substrate being separable into individual assemblies after connecting
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Description
571421 ⑴ 玖、發明說明 (發明說明應敘明:發明所屬之拮 [發明的技術領域]域、先讀術謂、實峨及賴單糊 右=顿隸半㈣裝以«造技術,特縣關於可 有效適用於樹脂封裝型半導 [先前技藝] ^衣置之夕接腳化之技術。 QFN(QuadFlatN〇n-leadedpackage:扁 型封裝體)屬於利用模辨榭 引腳 ^ L ^月曰形成之封裝體封裝搭載於引 腳框之半導體晶片之樹脂封裝體之一種。 =係:經由焊接線電性連接至半導體晶片之多數引腳 之:1部由外周部之(下面)露出而構成端子,並呈 現將焊接線連接至與前述端子之 玉 接至封裝體内部之端目反側之面,即連 ^ 面而使刚述端子與半導體晶片電性 。而後’利用將此等端子焊接於印刷電路基板 之電極(腳印刷電極)而6 —牡 „ ^ ,,. 几成女农。此種構造與將引腳由封 衣肢(package)之側面向椹 咖舰tp〜:扁平;二延伸而構成端子之⑽ 右—壯品社$ 式四邊有引腳型封裝體)相比,具 有女· ^^面積更小之優點。 有關上述QFN之文齡+ , 文馱例如在曰本特開2〇0卜】894 1 〇號\ =特許(日f發明專利)第3㈣91號等曾有記載。 [S明所欲解決之問題] 化但,職伴隨㈣成於半導體晶片之⑸之高機能 化、尚性能化而欲增加嫂义 下列之問題。日加^數(多接腳化)時,卻可能發生 即’如前所述,由於_係將焊接線連接至與露出封裝 (2)
571421
體之S之端寸' 面;^θ Π: / f _>r XI 甸相反側之面,端子間距與引腳之焊接線連 接處之間距相同,„㈤2 ^ 且因鈿子面積必須可確保安裝時之可靠 性之特定面積,私/_i1 一 ^ 玟恶法太過亇以縮小。 □此奴在不改變封裝體尺寸之情況下謀求多接腳化時 ’由於端子數無法如願增加,故無法大幅達成多接腳化。 另一方面,欲增大封裝體尺寸,以謀求多接腳化時,由於 半導體晶片與焊接線連接處之距離變長,焊接線長度也會 '交長,故可能在金屬線焊接工序或樹脂模塑工序中發生相 鄰之金屬線彼此短路等之問題,以致於降低製造良率。 另外,基於降低製造成本之目的而緊縮半導體晶片時, 也由於半導體晶片與焊接線連接處之距離變長,而發生不 能施行焊接線之連接之問題。 本發明之目的在於提供可達成QFN之多接腳化之技術。 本發明之另一目的在於提供可獲得應付晶片緊縮需要之 QFN之技術。 本發明之前述及其他目的與新穎之特徵可由本專利說明 書之說明及附圖獲得更明確之暸解。 [解決問題之手段] 本案所揭示之發明中,較具有代表性之發明之概要可簡 單說明如下: 本發明之半導體I置係包含半導體晶片、搭載前成半導 體晶片之晶墊部、配置於前述半導體晶片之周圍之多數引 腳、電性連接如迷半¥體晶片與—迹弓|腳之多數金屬線、 密封前述半導體晶片、前述晶塾部、前述多數引腳及前述 (3)
571421 多數金屬線之封裝體,前述多數 本、M 卿“形成使接近於前述 /體晶片之—端部侧之間距小於位於與前述-端部側相 :側之他端部側之間距’在前述多數引腳之各引腳,選擇 也没置由前述封裝體之背面向外部突出之端子。 本發明之半導體裝置之製造方法包含以下而^工序。 _覆形成含前述晶墊部與前述多數引腳之圖案,並準 備在前述多㈣腳之各引腳之-面形成向垂直於前述一面 之方向突出之端子之引腳框之工序; ⑻在形成於前述引腳框之前述多數晶墊部之各晶塾部搭 载半導體晶片,利用金屬線連接前述半導體晶片與前述引 腳之一部分之工序者; ⑷準備含上模與下模之模具,以樹脂薄片包覆前述下模 士表:後,將前述引腳框載置於前述樹脂薄片i,而使形 、:刖述引卿之一面之舸述端子與前述樹脂薄片相接觸之 工序; 士⑷以^上模與前述下模夾定前述樹脂薄片及前述引腳 匡’亚使河述端子之前端部分嚴入前述樹脂薄片内之工序; (e.)將樹脂注入前述上槿乂 H 、,、別述下杈之間隙,藉以密封前 4 +守月豆曰日片、前述晶墊 . 「、刚述引腳及前述金屬線,同 H寸形成使丽述端早之前妒& 4 _ 而砟分突出外側之多數封裝體後, 由刚述杈具取出前述引腳樞之工序;及 (f)利用切割前述引腳樞 個體之工序。 向朌刚述多數封裝體分離成獨立 [發明之實施形態] (4)571421
、 依據圖式詳細說明本發明之# 明實施开;能夕所女 J之貝施形態。又,在今 心®之所有圖中,對於1 隹。兄 同-I碼予以顯示……機能之構件,附以 貫施形態中,在牿 °月。又,在以下之 樣部分作重複說明。 原則上不對同一或同 (貝、施形態一) 圖I係表示本實施形能之
圖2係表示QFN之外觀卜硯(表面側)之平面圖’ 之内部構造(表面側)之平 目’圖3係表示QFN (背面側)之平面圖R / ° 係表示QFN之内部構造 )之十面圖,圖5係QFN之剖面圖。 本實施形態之奸…具有利用 片2之表面安裝型之封甘蝴战 衣祖^搶封丨個半導體晶 x 12 “構造,其外形尺寸例如為縱X橫 mm x 12 _、厚吐〇 mm。 蚁 上述半導體晶片 月-仏以格載於金屬製之 :Γ_/之中央部。此半導體晶片2之-邊二: t述晶塾部4為了能夠搭戴例如-邊尺寸為4_ 二:ΤΓ内之多數種半導體晶u,呈現其直徑小於 直…“月小具片構造,在本實施形態中,呈 1 :直徑。晶塾部4係與此形成為-體,並被向封裝 之四角延伸之4支吊腳5 b所支持。 在上述晶墊部4之周圍,以包圍晶墊部4方式配置有由相 ㈣之金屬形成之多數支(例如H6支)引 心。此^丨腳5之—端部侧(接近於半導體晶片2之側)5a經 由金線6每性連接至车莫㈣曰 +守脰日日片2之主面之焊接墊7,與此相 ' 10 - (5)571421
上沛他知部側5c係以封裝體3之側面作為終端。 二:引腳5之各引腳為縮短與半導體晶片2之距離,將一 ::繞接至晶墊部4附近,其前端之間距(p3)形成窄間
V 部側5a Im〜〇.2叫。因此’鄰接之引腳5之間距在—端 時,g 。方]方、他纟而部侧5 C。以此方式形成引腳5之形狀 ^即可縮短連接引腳5之一端部侧5a與焊接墊7之金線6 ^艾本Λ施形恶中,為3 mm以下),故即使在多接腳化 窄^且配合多接腳化而使引腳5之間距’即金線6之間隔變 :^也可抑制在QFN1之製造工序(例如在金屬線焊接工 ,彳知模塑工序)中發生金線6彼此短路之瑕疵現象。 , 斤下在QFNl之背面(基板安裝面)設有多數個(例 、二6個)外部連接用端子8。此等端子8係沿著封裝體3之各 =別賴齒狀各配置2行,各端子8之前端騎由封裝體3 :背面露出’且突出於外側。端子8之直徑⑷為〇.3 _, 、接之☆而子8之間距在與同-行之端子8之間距(Ρι)為 .5 mm ’在與另-行之端子8之間距(p2)為◦奶匪。 本實施形態之端子8係與引腳5形成為—體,端子8之厚产 為125 _〜150 _程度。又,引腳5之端子8以外部分了^ ,一端部側5a及他端部側5c等之厚度為μ μπι〜75卜咖程产 。又’在突出封裝體3之外側之端子8之前端部分,利:: 鍍法或印刷法包覆著焊料層9。本實施形態之QFm係利: :此等端子8焊接於印刷電路基板之電極(腳印刷電極)而 完成安裝。 其次,說明上述QFN]之製造方法。首先,準備如圖6所 -11 - 571421 (6) 爾明說朝續頁 示之引腳框LF!。此引腳框LFi係由Cu、Cu合金或Fe-Ni合金 等之金屬板所構成,並呈現反覆在縱及橫方向形成含前述 之晶墊部4、引腳5、吊腳5b等之圖案之構成。即,引腳框 LF [係i現搭載多數個(例如24個)半導體晶片2之多連式構 造。 為了製造上述引腳框LFi,準備如圖7所示之板厚125 μιη
〜150 μΏ1程度之Cu、Cu合金或Fe-Ni合金等之金屬板10, 利用光阻膜11包覆形成晶墊部4、引腳5及吊腳汕之處之單 面又’形成外部連接用端子8之處則以光阻膜1 1包覆兩 面。而後,在此狀態下,利用藥液蝕刻金屬板丨〇,直到單 一面被光阻膜Π包覆之區域之金屬板1〇之板厚成為一半程 度(6) μηι〜乃μηι)(半蝕刻)為止。利用此方法施行蝕刻時, 一,又〜e ,心玄觸枚丨υ无全消失
在單一面被光阻膜η包覆之區域形成厚65 μηι〜75 之晶墊部4、引腳5及吊腳5b。又,兩面被光阻_包々 區域之金屬板则未受藥液㈣,故形成具有與姓心 同厚度(125叫〜15() μιη程度)之凸起狀之端子8。 其次,除去光阻膜U,接著,_腳5之一端部側& 面施以Ag電鍍而完成前述圖6所示之引腳框π。又,4 對力腳框LFi之全面施以Pd(鈀)電錢,以作為取代對弓| 端部側5amg電鐘之手段。pd電鑛與~電鑛相^ 電鍍層之膜厚較薄,故可提高引腳5與金線6之接合性。 ^腳框LF|之全面施以電鍍時,端子8之表面也會同 t成电鍍層,故可縮短電鍍工序。 -12 - 571421 ⑺ 發明說明纜買 如此,利用將構成引腳框L f i %竹t金屬板1〇之—部 分之單-面以光阻膜U包覆後’施以半蝕刻,使引腳5之板 厚薄化至金屬板1〇之—半程度時’即可高精確度地完成一 端部侧5a之間距極為狹窄(在本實施形態中,為Ο” _〜 0.2 mm間距)之引腳5之加 金屬板1 0之一部分之兩面 5 b之同時,形成端子8。 又可利用以光阻膜11包覆 ,在形成晶墊部4、引腳5及吊腳
其次,為了使用上述引腳框LFi製造QFm,首先,如圖 及圖9所示,使半導妒曰, 忱千守版日日片2之兀件形成面朝上而搭載於』 墊部4上’使ffiAu膏或環氧樹脂系之接著劑,將兩者接著。 施行上述作業時’如圖9所示’由於突起狀之端子8位方 引腳框LFl之背面.丨’故只要在支持引腳框LF〖之夾具後 朝向端子8之處形成溝31即可。如此-來,即可穩定地支# 引腳框LF!,故在將半導體晶片2搭载於晶墊部4上之際,7 防止引腳框LF|變形,或晶墊部4與+導體晶片2之位置丁偏老
荨麻煩問題發生。 >又==施形態之QFN1係構成撐起式翼片之構造,即在 半‘脸日日片2 I疋於模具而施行樹脂模塑之際,為了使半 導體曰^片2之上面側與下面侧之樹脂之流動保持均勻,可利 用折弓吊腳外之一部分,將晶墊部4配置於比吊腳%高之位 置。,因^,如圖9所示,可利用在夾具30A朝向晶墊部4之 處形成大起部3 2之方式穩定地支持引腳框LF j ,故在將半導 月丑日日片2格栽於晶墊部4上之際,可防止引腳框L i變形,或 晶墊部4與半導體晶片2之位置偏移等麻煩問題發生。 -13 - (8) (8)571421 發明說明繽m 其A,如圖10及圖i i所示,利用周知之球形接合裝置, 利用无、泉6連接半導體晶片2之焊接墊7與引腳5之一端部側 4^間。此時也如圖Π所示,可利用在支持引腳框LFl之夾 〃 〇0B朝向纟而子8之處形成溝31,或在朝向晶墊部*之處形成 突起部32之方式穩定地支持引腳框LFl,故可防止金線6與 引腳5之移位、及金線6與焊接墊7之移位。 "其次,將上述引腳框LFi裝定於圖12所示之模具4〇後,將 半導體晶片2樹脂圭、十梦。9 #主, 彳了細封衣圖12係表不模具4〇之一部分(約“固 QFN份之區域)之剖面圖。 使用此核具40將半導體晶片2樹脂封裝之際,首先,將薄 的樹脂薄片41舖在下模4〇β之表面,在此樹脂薄片41上載置 引腳框%。引腳框%係以形成突起狀之端子8之面朝下方 式被載置’使端子8與樹脂薄片41相接觸。而後,在此狀態 下’以上模40八與下模40B夾定接于脂薄片似引腳框 如此-來,如圖所示’位於引腳5下面之端子8即可利用模 具 40(上模 4〇Aife 下模 40JB)之 、 _ ”卜衩4UB)之推蜃力推壓樹脂薄片41,故可 使其前端部分嵌入樹脂薄片4丨中。 2結果’如圖Π所示,將溶融樹脂注人上模佩與下模 A與下拉柳時,即可使嵌人樹脂薄片41卜端子 之耵端部分由封裝體3之背面突出於外侧。 〜 又,引腳框LFk上面被上模4〇A所推壓時,彻 腳框[匕之金屬板之彈簧力,將向上之力作用於 之前端側之-端部側5a。因此,、為引腳) I貝施形恶之引腳框LF] -14 - 7l42l ⑼ 發明說明繽_ 所示,將端子8配置成2行時,錢子8形成於接近於一端部 、丨5a之方之引腳5、與端子8形成於離開一端部侧之一 方之引腳)中,端子8推壓樹脂薄片4 1之力會有差異。即, 形成於接近於一端部側“之一方之端子8推壓樹脂薄片Μ 之力比形成於離開一端部侧5a之一方卜接近於上模4〇A與 弓丨腳5之接觸部分之-方)之端子8推壓樹脂薄片41之力弱 。、其結果,形成於接近於一端部侧5a之一方之端子8、與形 成於離開-端部侧化之—方之端子8在由封裝體^之背面突 出於外側之高度會產生差異,在將此等端子8焊接於印刷電 Μ板之電極(腳印刷電極)上之際,一部分之端子8與電極 之間有發生不接觸之開放不良之疑慮。 有此種旋慮時,如圖i 4所示,/口、要將形成於接近於一端 部侧5a之—方之端子8之引腳5之寬(w。設定為寬於形成於 離開一端部侧5&之-方之端子8之引腳5之寬(W2)(W2<Wi) 即可。如此—來,端子8推壓樹脂薄片41之力在所有之引腳 5中均大致相同’故嵌入樹脂薄片41中之端子8之量,即由 封裝體。之背面突出於外侧之端子8之前端部分之高度在所 有之引腳5中均大致相同。 又士則所述,本貫施形態中所使用之引腳框LF j由於係 利用半敍刻方式形成圖案(晶塾部4、弓!腳5、巾腳外等卜、 故引腳5之板厚可薄化至通f之引腳框之〆半程度,因此, 模具40(上模4〇A及下模4〇B)推壓引腳框LFi之力比使用通 常之引腳框之情形為弱,故端子8推壓樹脂薄片4 1之力變弱 之、洁果,w降低突出於封裝體3外側之高度。 -15 - (10) (10)571421 發明說明繽裒 因/,希望增力口突出於封裝體3外側之端子8之高度時, ,二斤丁 〃要不對與上模4G A’接觸之部分(圖中用◦符 1圍成之部分)之引腳框lF祐主 相同厚度即可。 -…刻’使其與端子8保持 網_係以斜線表示上述模具㈣之上模術與引腳框叫妾 &之邛刀之平面圖。又,圖】7係表示此模具⑽之澆口位置 與注入於模腔之樹脂之流動方向之模式的平面圖。 如圖16所示,上述模具4〇係呈現僅弓(腳框^之外框部分 、及引腳5與引腳5之連結部分接觸於上模40A,其他之所 有區域均可被有效利料為注人樹脂之膜腔之構造。 又’如圖17所示’上述模具40之—邊設有多㈣口 Gl〜 g16’例> 里現經由澆口 Gi、G2將樹脂注入排在圖左端之縱 方向之3個模腔c ,〜C、,妳A法n r ^ 1 3 、、工甶九口 、G4將樹脂注入盥此等 鄰接之3個模腔C4〜C6之構造。;—方面,在與上述洗口 相對向之另一邊,設有假模腔dCi〜Dq及排氣孔 42,例如呈現經由淹口 G[、化將樹脂注入模腔Ci〜q時, 可使模腔Cl〜C3内之空氣流入假膜腔%,以防止模仏 内之樹脂產生孔隙之構造。 圖18係利用將樹月旨注入上述模月空Cl〜C1S而成型模塑樹 脂,以形成封裝體3後,由模具40所取出之引腳框LFi之平 面圖,圖19係沿著圖18之)(—X,線之剖面圖,圖2〇係之引 腳框LF 1之背面側之平面圖。 其次,在露出於引腳框LFl之背面之端子8之表面形成焊 料層9,接著,在封裝體3之表面印上製品名稱之標記後’ -16 - 571421
發明說钥續買 -I- 沿著圖18所示之切割線L切斷引腳框LFi及模塑樹脂之 分時,即可完成24個前述旧〜圖5所示之本實施形態< QFN1。X,在將qFNi安裝於印刷電路基板之際,希望招 大QFN:[與印刷電路基板之間㈣,即希望增大讲⑴之· 料存取里% ’將形成於端子8之表面之焊料層9之膜厚增;| 至)〇 μιη程度。為了形成此種膜厚,例如可使用利用金屬澤 將焊料膏印刷在端子8之表面之方法。
如此,本實施形態之卿1由於將引腳5之-端部侧 接至晶塾部4附近’故可縮短一端部側&與半導體晶片2間 之距離’連接此等之金線6之長度也可縮短…即使將端 ^8配置成鋸齒狀,由於引腳5之一端部侧&之長度大致相 等,故-端部侧5a之前端可大致成一行排列在半導體晶片: 之各邊。因此’連接引腳5之一端部侧5a與半導體晶片2之 金線6之長度可大致保持均等,㈣金線6之環路形狀也可 大致保持均等。 因此,不會發生鄰接之金線6彼此短路,$其在半導體晶 片2之四角.附近金線6彼此交叉等之麻煩問題,故可提高金 屬線焊接之作#性。1因可縮小鄰接之金線6間之間距,故 可貫現QFN 1之多接腳化。 。又,由於將引腳5之一端部侧5a繞接至晶墊部4附近,故 I延長由端子8至引腳5之—端部側5a之距離,藉以=通過 ^出方;封1體3之外部之端子8而浸入封裝體3之内部之水 刀難以到達半導體晶片2,可防止水分導致焊接墊7之腐蝕 ’提鬲Q F N 1之可靠性。 -17 - 571421
(12) 又,由於將引腳5之一端部側5 a繞接至晶墊部4附近,故 即使緊縮半導體晶片2 ’金線6長度之增加也極為少量(例如 即使將半導體晶片2由4 mm見方緊縮至3 mm見方,金線6 也僅平均增加0.7 mm之程度),故可防止緊縮半導體晶片2 所帶來之金屬線焊接之作業性之降低。 (實施形態二)
在前述實施形態一中,係就使用小翼片構造之引腳框LF i 製造之QFN之情形加以說明,但例如如圖2丨及圖22所示, 也可使用在引腳5之一端部側5a貼上薄片狀之晶片支持體 u之引腳框LF2加以製造。在本實施形態中,上述晶片支持 體3 3係由絕緣膜所構成。 恶' 之引腳框L F1之方法制、生 日、仕 1 万/ί:衣化。即準備如圖23所示之相
出μ.Γη〜15Q _程度之金屬板1〇,利用光阻膜丨丨包覆^ 引腳5之處之單一面。又,形成外部連接用端子8之處貝 :面形成光阻膜U。而後,利用前述實施形態一所^ :法對金屬板1〇施行半㈣,同時形成厚65 _ 2之引卿5與厚125陶肩陶程度之端猶,對引 之—端部側5a之表面施以π ^ ^ I藏’琅後將絕緣薄膜3 3本 & —端部侧5a之上面。又,士 ^ Φ Μ ^ Β 也可利用薄金屬板等之導1 汁'+ |構成晶片支持濟 ,' 取代絕緣薄膜。此時,為· 止引腳5彼此之短路,口 勹 gp可Υ /、要使用、',巴緣性之接著劑接著引 I」。又,也可利用在金屬窄々电 薄片等來構成曰片白之表面塗敷絕緣性之樹; 餅取日曰A支持體3 3。 > 18- (13)
571421 在使用上述之弓丨腳框LF時,也 板ίο之一部分—單……]用先阻把11遮蔽金屬 至…1Π 面…+钱刻’使引腳5之板厚薄化 至 之—半程度,故可高精確度地完成引腳5之-端 部側)&之間距極為狹窄(例如Q.18 _〜w mm間距)之引 _之加工。又’可利用以光阻膜u遮蔽金屬板i。之一部分 之兩面,俾與弓丨腳5同時形成突起狀之端子8。 上述引腳框lf2與實施形態一所使用引腳框LFi之不同, =需要支持晶塾部4之吊腳5b,故可使引腳5_端部侧5&之 如端間距具有相當於該部分之餘裕。 又’以引腳5支持晶片支持體33,可縮短引腳之一端部侧 〜與半導體晶片2之距離,故可進—步縮短金線6之長度。 =外’與利用4支吊腳5b支持晶墊部4之情形相比,更可確 貝支持晶片支持體33 ’故在模塑工序中,將熔融樹脂注入 模二内之IV、,可抑制晶片支持體3 3之變位,防止金線6彼此 之短路之不良現象。 使用此引腳框LF2之QFN1之製造方法如圖24所示,與前 述實施形態一所說明之方法概略上相同。 (實施形態三) 刚述貫施形態一、二中,係以引腳框材料構成外部連接 用端子8,但也可利用下列方法形成端子。 首先’卞備如圖2 5所示之板厚7$ 程度之金屬板1 〇,利 用光阻膜Π包覆預備形成晶墊部4、引腳5及吊腳5b之處之 兩面,而後,在此狀態下,蝕刻金屬板1〇,藉以形成晶墊 部4、引腳5及吊腳5b。其次,除去光阻膜1丨,接著,對引 -19 - 571421 〇4) 腳5之一端部侧5 a之表面施以Ag電鍍,以製造弓丨腳框 此引腳框Lb除了無外部連接用端子8之點以外 〇 ‘ … 乂 y| ,王現與前 述實施形態一之引腳框LF丨相同之構成。又,引腳框 可與,之引腳框则樣地’以晶片支=3也3 構成日日塾#。又,引腳框咕之晶墊部4、引腳$及吊⑽ 也可利用衝壓金屬板10之方式形成。 其次’如圖26所示’在引腳#LF3之一部分形成不作實際 之端子使用之假端子12。為了形成假端子丨2,首先,疒弓 腳框lf3之背面4合絲網印刷用之掩罩15,將聚酿亞= 1 2 a印刷在後面之工序中預備形成外部連接用端子之二曰 ,將此聚醯亞胺樹脂12a烘乾(圖26(b)〜(d))。假端子二之 大小係設定於與後面之工序中預備形成之實P祭端子大小相 问程度。又’在此,係就將聚酿亞胺樹月曰” 之表面而形成假端子12之情形力⑽明,但 = ,只要在後面之工序中可由 ^ " 」由弓I腳5之表面加以剝離,不管任 何材質或形成方法均可使用。 其次’依據前述實你你能 〜灵轭形恶一所說明之方法 片2載置於晶墊部4上,桩荃 才千〒胜日日 5(W26(e))0 纟者’以金線6連接焊接墊7與引腳 其次,如圖27(aUf - ^ ^ 不,依據前述實施形態一所說明之方 去,以膜塑樹脂成型半導麟曰 」(万 形成在引腳5之—面之二:广2而形成封裝體3。此時’ 之背面突出於外側/ 端子丨2之前端部分由封裝體3 其次’如圖2 7 (b)所-, 不,由弓丨腳5之一面剝離上述假端子j 2 -20 - 571421
叙端亍1 2由聚醯亞胺樹脂所構成時,可利用聯氨等有機 /合^ ’合知假纟而子1 2之方式加以剝離。剝離假端子1 2時,封 豆之月面冒形成凹部35而使引腳5之一面露出。 、 /、人如圖28U)所示,在封裝體3之背面疊合絲網印刷用 电罩16後如圖28(b)所示,將焊料膏13a供應至凹部μ 之内部。 π早ib傻,使焊 六一人 ,
(嘁狀悲’ D此,如圖29所示,可形成電性連接於露出 口 h)之内部之彳丨腳5,且前端部由封裝體3之背面突出外 之焊料凸塊1 3。 2 =就將焊料膏⑴印刷在引腳5之表面,以形成 二二之情形加以說明’但也可將事先成形為球形之 广“、應至凹部35之内部後,對此 處理,以形成焊料凸塊13。 十一化熱 *二= = 焊料凸一 *通常係在完 使其成為獨立之個二:二腳枢… 為獨立之個體後ifr/v , σ在刀離Qfn 1使其成 上诚本; 端子12㈣成焊料凸塊…
上迷本μ知形態之製造方法I 刻而形成端子8之太 、一 、$引腳框LF丨施以半蝕 基板之種類等之=开可:用適合於咖之用途及安裝 卞 < 材料而形成端子。 (實施形態四) 外部連接用端子也可利用下列方 示,準備板厚〜m程度之薄的全屬板:成:即’如圓30所 卸板20,利用與前述實施 -21 - 571421
發增観_繽翼 形恶二同樣之方法,對金屬板2〇施行蝕刻而製成具有晶墊 邛4、引腳5及未圖式之吊腳5b之引腳框lF4後,將各引腳5 之中途部衝壓成形為剖面形狀以鋸齒狀。採用吊腳5b之一 邛分向上折彎之撐起式翼片構造時,只要同時施行吊腳5b 之折彎與引腳5之成形即可。又,晶墊部4、引腳5及吊腳5 也可利用对刖述貫施形態一所使用之厚的金屬板1 0施以神 蝕刻或衝壓成形方式加以形成。 1次,如圖3 1所示,將半導體晶片2搭載於上述引腳框A ^晶墊部4上,接著,以金線6連接焊接墊7與〗丨腳5之一端 側Μ,以膜塑樹脂成型半導體晶片2,以形成封裝體3 -如此一來,在封裝體3之背面即可露出形成鋸齒狀之引腳 5之凸部。
' 图""所示,利用砂磨機等工具研磨露出封裝體3 之肯面之引腳5之下端部後’切斷各引腳5之中途部,將i 支引腳5分割成多數引腳5、5。 其次,如圖33所示,在由i支引腳5分割成多數引_ 2引腳形成端子36。| 了形成此端子36,只要使用導 月之印刷、焊料球供應法或電鍍法等即可。又,形成 子%之作業通常係在成型膜塑樹脂,以形成封裝體3後立 Π&Γ然後’切斷騎㈣4而分離㈣丨使其成為獨立 二。但也可在分離QFN1使其成為獨立之個體後,再形 端子3 6 ^
又 3 4所 ’使用上述本實施形態之端子形成方法時,例如如圖 不’在形成在離開半導體晶片2之位置與半導體晶片2 -22- 571421
發明說明續畐 之附近交互設有一端部侧5 a之寬度較寬之引腳5,將金線6 焊接於此引腳5之各一端部側5 &後,如圖3 5所示,也可將引 腳5之中途部研磨切斷,以形成多數引腳5。採用此方法時 ’可實質地消除與鄰接之引腳5之間隔,故可大幅增加QFN 1 之立而子數。 (貫施形態五)
圖36係表示使用於QFN之製造之引腳框lf5之一部分之 平面圖,圖3 7係表示使用此引腳框LF5所製造之qFN之内部 構造(表面侧)之平面圖。 本貝、施形悲之引腳框L F5係王現交互地改變包圍晶墊部4 之周圍之多數支引腳5之前端(一端部側5 a)之長度之構成 又,使用此引腳框L F5時,作為搭载於晶墊部*之半導體 晶片2,使用沿著其主面之各邊分別配置2行鋸齒狀之焊接 塾7之半導體晶片。,
配置鋸齒狀之半導體晶片2之焊接墊7時,如圖38所示 利用環路高度低且長度短之金線6連接接近於半導體㊣ 之行之焊接墊7與前端長度較長之弓丨腳5,利用 長&長之金線6連接内側之行之焊接墊7與前 &車父紐之引腳5。 因汰匕,隨莫伞括 ,即金線6二體晶片2之多接魏,而使引腳5之 ’之間搞變窄時,也 干擾,故可有& 相鄰接之金線6· 或樹脂模狗//卩制在Q F N f造工序(例如金1線悍接. ”中發生金線6彼此短路之不良現象。 -23 - 571421
上述引腳框LF5如圖39所示,也可使用於搭載將焊接墊7 配置成一行之半導體晶片2之情形。又,搭載半導體晶片2 之晶墊部4之形狀並不限定於圓形,例如如圖4〇所示之引腳 框LF6或如圖41所示之引腳框LF?一般,也可採用使晶墊部4 之寬度寬於吊腳5b之寬度之所謂交叉式翼片構造。此時, 如圖40所示,利用將接著劑14塗敷在墊部4上之多數處,以 接著半導體晶片2,故可有效防止半導體晶片2之旋轉方向 之移位,因此,可提高晶墊部4與半導體晶片2之相對的位 置精確度。又,利用將也兼具有作為吊腳汕之一部分之機 能之晶墊部4形成較寬之寬度,也可獲得提高吊腳几之剛性 之效果。〖,在上述之交叉式翼片構造之晶墊部4,當然也 可搭載尺寸不同之多數種半導體晶片2。 (實施形態六) QFN之端子也可利用下列方法开彡# 、, 」r幻乃沄形成。百先,如圖42(a)所 示,準備例如以前述實施形能二夕m ^ ς " 一 」〜κ他小心一之圖h所示之方法製造 引腳框LF3。其次,如圖42(b)〜⑷张-^ 口 1 )(句所不,將絲網印刷用之 掩罩17疊合在引腳框Lh之背面,將钿* ㈠ ^ 3月囬71寸銅I 18a印刷在預備形 成令而子之處俊’利用丈±L齡士相I客〗父 人、牝此銅㈢1 8a而形成銅端子1 8。 、其次’如圖42(e)所示,依據前述實施形態—所說明 法’將半導體晶片2载置於晶墊部4上,接著,以金線 焊接墊7與引腳5。 〜锋 六一人 法 形 之 〜V芯一尸/T I兄 ,以膜塑樹脂成型半導體晶片2而形成封裝體3。 成在引腳5之一面之前述銅端子18之前端部::由* -24- 571421
發明說明續裒 背面突出於外側。 其後,必要時,也可利用無電解電鍍法等,對銅蠕子1 8 之表面施以S η或A u之電鍍。 依據上述本實施形態之方法,與在引腳5之/面形成假端 子1 2後,除去假端子丨2而形成焊料凸塊丨3之前述貫施形態 二之方法相比,可簡化端子形成工序。 (實施形態七)
圖44所示之QFN1係將引腳5之一端部側(接近於半導體晶 片2之側)5 a向上方彎折之例。如此一來,引腳5之一端部側 5a與半導體晶片2之主面之階差會縮小,並可降低連接引腳 5與焊接墊7之金線6之環路高度,故可薄化封裝體3之厚度 約相當於該部分之厚度。 圖45所示之QFN 1係將引腳 同時使晶墊部4保持與引腳5之一端部側化大致同高,並 面朝下方式將半導體晶片2搭載於此晶墊部4之下面側之
。如此一來,可使引腳5之一端部側“及晶墊部4之各上 與封裝體3之上面間之樹脂厚度變成極薄,故可實現封裝 3之厚度僅0 · 5 mm之超薄型q FN。 將引腳5之一端部側5 a向上方彎拆夕μ、+、 弓饰之上4方式,例如如 46及圖47所也可適用於使用將絕緣 /似4 I曰日月支 脰3 3貼在引腳5之一端部側5 a之引腳框lf ^ ^ 、., 21情形。晶片 持3 3與半導體晶片2之接著例如可介 + 丨^者形成於曰片 持體33之單一面之接著劑丨9施行。此乂、-日片 J 囚所述之理由 可薄化封裝體3之厚度。 w -25 - 571421
圖48及圖49係表示例如使用〜或A1等熱傳導性高之材料 加熱至佈裔23構成晶片支持體之例。將加熱塗佈器Μ兼用 作為晶片支持體,可實現放熱性良好之_。&,使用如 熱塗佈器23構成晶片支持體時,如圖50所示,也可使加熱 土佈态2j之一面露出封裝體3之表面,因此,可進一步提言 放熱性。 问
又,本貫施形態係適用於具有將引腳框半蝕刻所形成之 而子8之Q FN,但並不限定於此,當然也可適用於具有利用 前述各種方法所形成之端子之QFN。 (賞施形態八) 圖5 1係表示用於製造QFN之引腳框之一部分之平面 圖,圖52係表示用此引腳框Lb製造之QFN之外觀(背面圖 之平面圖。 」
在將QFN之封裝體尺寸保持—定不變之情況下,進行多 接腳化時,端子8之間距變得極窄小,故如前述實施形態1 所使用之引腳框LFl —般,欲將端子8之寬度擴大至比引腳土 之見度更覓時,引腳框之加工非常困難。 作為其對策’如本實施形態之引腳框Us 一般,最好將端 子8之見度設定為與引腳5之寬相同。因此,可實現例如於 子8及引腳5之寬度(d)為〇‘15_〜〇.18_1、與鄰接之端子而8 之間距在與同一行之端子8之間距(p i)為〇. 5 mm 在與另一 仃之端子8之間距(P2)為0,25 mm之窄間距之超多接腳之 QFN 〇 此時,由於端子8之寬度變f ’使端子8與安裝基板之接 -26 - 571421
發明說钥繪裏 觸面積變小,而可能降低連接可靠性,故作為其補償手段 ’最好利罔延長端子8之長度’以防止面積之降低。又,由 於引腳5之寬度變窄,引腳5之強度也會降低,故最好將晶 片支持體3 3貼在引腳5之前端,利用此晶片支持體3 3支持引 腳5,以防止引腳5之變形。晶片支持體3 3如圖5 3所示,也 可設於引腳5之中途部。將端子8之寬度設定為與引腳5之寬 相同之本貫施形態之引腳框L F s如圖5 4及圖5 5所示,當然可 適用於不具有晶片支持體33之QFN。 以上已就本發明人所創見之發明,依據發明之實施形態 予以具體說明,但本發明並不僅限定於前述發明之實施形 悲,在不脫離其要旨之範圍内,當然可作種種適當之變更。 例如使用剞述貫施例一所說明之模具40同時對搭載於 一塊引腳框LF!之多數半導體晶片2施行樹脂封裝時,有時 會因引腳框1^1與模塑樹脂之熱膨脹係數差而在引腳框 發生翹曲或變形。 為了防止此現象,例如如圖56所示,在弓丨腳框lf[之外框 1分設置缝隙22時,即可有效加崎止。且利用改變包含 於構成封裝體3之模塑樹脂之填料等之量,使封裝體3之熱 膨脹係數接近於引腳框LFl之熱膨脹係數,也屬有效。、、、
又,例如如57圖所示,可利用使晶墊部4露出於封裝 之背面,以實現放熱性高之QFN1…使晶墊部4露衣 封裝體3之背面,只要在例如將板厚較厚之金屬板1〇=飼 而形成板厚較薄之引腳5及吊腳5b之際,利用光阻膜勺驾 墊部4 ’以形成板厚較厚之晶墊部4即可。 匕 -27 - (22) (22)571421 發明說钥續買 又’在前述實施形態—中’係將板厚較厚之金屬板10半 钱刻而形成板厚較薄之晶墊部4、弓I腳5及㈣5b,但在較 大尺寸之半導體晶片2搭載於板厚較薄之吊腳讣時,吊腳讣 之剛性有時會不足。作為其對策,例如㈣圖所示’不將 ^腳Μ:部分或全體施以半則,而以較厚之板厚形成 日”為有效之方法。又’此時’吊腳5b之一部分卜戈全r ) 會露出封裝體3之背面,故將此+山立、θ U飞王収) 、匕路出部分焊接於印刷電路基 板時’可提高QFN1與印刷電路基板之連接可靠性 之放熱性。 二在:實施形態中’在形成封裝體3之際,係採用將 在模具Μ上模崎及下模卿)之間之模塑成 形方法,但如圖59所示, 塑成形方法而形成封,體,:?不使用樹脂薄片41之模 之際,如圖6。(二:心此時’由模具4。取出封裝體3 如__斤$,^8二二—J分有被樹脂包覆,或 示,只要利用砂磨機等之;二有:㈣ 之樹脂溢料1後It 手段37除去端子8之表面 鍍法形成金屬層即可。Ό8之表面’利用前述印刷法或電 [發明之功效] 本案所揭示之路 功效可簡單說明:下。,父具有代表性之發明所能獲得之 由於利用將配置 部側繞接至晶 片周圍之多數引腳之各一端 屬線之長度,=近’以縮短連接引腳與晶塾部之金 s夕接腳化而使引腳之間距,即金屬線 -28 -
571421 之間隔變窄時,亦可抑制在製造工序之途中發生金屬線彼 此短路之不良現象,並增進QFN之多接腳化。 [圖式之簡單說明] 圖1係表示本發明之一實施形態之半導體裝置之外觀(表 面側)之平面圖。 圖2係表示本發明之一實施形態之半導體裝置之外觀(背 面側)之平面圖。 圖3係表示本發明之一實施形態之半導體裝置之内部構 造(表面側)之平面圖。 圖4係表示本發明之一實施形態之半導體裝置之内部構 造(背面側)之平面圖。 ~ 圖5係本發明之一實施形態之半導體裝置之剖面圖。 圖6係使用於本發明之一實施形態之半導體裝置之製造 之引腳框之全體平面圖。 圖7係圖6所示之引腳框之製造方法之要部剖面圖。 圖8係表示本發明之一實施形態之半導體裝置之製造方 法之引腳框之要部平面圖。 圖9係表示本發明之一實施形態之半導體裝置之製造方 法之引腳框之要部剖面圖。 圖1 0係表示本發明之一實施形態之半導體裝置之製造方 法之引腳框之要部平面圖。 圖1 1係表示本發明之一實施形態之半導體裝置之製造方 法之引腳框之要部剖面圖。 圖1.2係表示本發明之一實施形態之半導體裝置之製造方 -29 - (24))/H2l
法之引腳框及模1 丨片,、心X。卩剖面圖。 法2 d L表不本發明之—實施形態之半導體裝置之製冰方 '之引腳框及模具之要部剖面圖。 心方 圖1 4係表示本發明—餘 法 貝、^形態之半導體裝置之製诰 法之W腳框之要部平面圖。 衣心 法:15係表示本發明之-實施形態之半導體裝置之製造 \弓丨腳框及模具之要部剖面圖。 圖16係表示使用於本發發 萝沣 之貝施形®之丰導體裝置 …具之上模接觸於引腳框之部分之平面圖。 圖Π係表示使用於本發明發 製a ^男' %形悲之+導體裝置 模工 、左入於模腔之樹脂之流動方向 镇式的平面圖。 圖1 8係表示本發明之—f说jjy At , 貝、^形態之半導體裝置之製诰 法之引腳框之全體平面圖(表面側卜 〜 圖I 9係表示本發明之一 f絲 t貝%形恶之半導體裝置之製造 /ir之引腳框之剖面圖。 圖2 0係表示本發明之一實絲 貝砭形恶之半導體裝置之製 法之引腳框之全體平面圖(背面側)。 圖2 I係表示使用於本發明之每 乃 貝、%形悲'之半導體 之製造之引腳框之要部平面圖。 圖22係表示使用於本發明之另一每 …匕 , 汽形恶之半導體 之製造之引腳框之要部剖面圖。 圖23係表示使用於本發明之另一廢 / & , 貝&形悲之半導體 之製造之引腳框之:製造方法之要部剖面圖。 方 方 之 之 之 方 方 造方 裝置 裝置 裝置 -30 . 571421
發明說销續頁 圖24係表示使用圖21及圖22所示之引腳框之半導體裝置 之製造方法之要部剖面圖。 圖25係表示本發明之另一實施形態之半導體裝置之製造 方法之要部剖面圖。 圖26(a)〜(e)係表示本發明之另一實施形態之半導體裝 置之製造方法之要部剖面圖。 圖27(a)、(b)係表示本發明之另一實施形態之半導體裝置 之製造方法之要部剖面圖。 圖28(a)、(b)係表示本發明之另一實施形態之半導體裝置 之製造方法之要部剖面圖。 圖29係表示本發明之另一實施形態之半導體裝置之製造 方法之要部剖面圖。 圖30係表示本發明之另一實施形態之半導體裝置之製造 方法之要部剖面圖。 圖3 1係表示本發明之另一實施形態之半導體裝置之製造 方法之要部剖面圖。 圖32係表示本發明之另一實施形態之半導體裝置之製造 方法之要部剖面圖。 圖33係表示本發明之另一實施形態之半導體裝置之製造 方法之要部剖面圖。 圖34係表示本發明之另一實施形態之半導體裝置之製造 方法之引腳框之要部平面圖。 圖3 5係表示本發明之另一實施形態之半導體裝置之製造 方法之引腳框之要部平面圖。 -31 - 571421
發明說钥繽頁 圖3 6係表示使用於本發明之另一實施形態之半導體裝置 之製造方法之引腳框之要部平面圖。 圖37係表示本發明之另一實施形態之半導體裝置之内部 構造(表面側)之平面圖。 圖3 8係表示本發明之另一實施形態之半導體裝置之製造 方法之說明圖。
圖3 9係表示本發明之另一實施形態之半導體裝置之製造 方法之引腳框之要部平面圖。 圖40係表示使用於本發明之另一實施形態之半導體裝置 之製造方法之引腳框之要部平面圖。 圖4 1係表示使用於本發明之另一實施形態之半導體裝置 之製造方法之引腳框之要部平面圖。 圖42(a)〜(e)係表示本發明之另一實施形態之半導體裝 置之製造方法之要部平面圖。 ‘
圖43係表示本發明之另一實施形態之半導體裝置之製造 方法之剖面圖。 圖44係表示本發明之另一實施形態之半導體裝置之剖面 圖。 圖45係表示本發明之另一實施形態之半導體裝置之剖面 圖。 圖46係表示本發明之另一實施形態之半導體裝置之剖面 圖。 圖4 7係表示本發明之另一實施形態之半導體裝置之剖面 圖。 -32 - 571421
發明說明繽頁· 圖48係表示本發明之另一實施形態之半導體裝置之剖面 圖。 圖49係表示本發明之另一實施形態之半導體裝置之剖面 圖。 圖50(a)、(b)係表示本發明之另一實施形態之半導體裝置 之剖面圖。
圖5 1係表示使用於本發明之另一實施形態之半導體裝置 之製造方法之引腳框之要部平面圖。 圖5 2係表示本發明之另一實施形態之半導體裝置之外觀 (背面側)之平面圖。 圖53係表示使用於本發明之另一實施形態之半導體裝置 之製造方法之引腳框之要部平面圖。 圖54係表示使用於本發明之另一實施形態之半導體裝置 之製造方法之引腳框之要部平面圖。
圖55係表示使用於本發明之另一實施形態之半導體裝置 之製造方法之引腳框之要部平面圖。 圖5 6係表示使用於本發明之另一實施形態之半導體裝置 之製造之引腳框之要部平面圖。 圖57係表示本發明之另一實施形態之半導體裝置之剖面 圖。 圖5 8係表示本發明之另一實施形態之半導體裝置之内部 構造(背面侧)之平面圖。 圖59係表示本發明之另一實施形態之半導體裝置之製造 方法之模具之要部剖面圖。 -33 - 571421
發明說,繽頁 圖60(a)、(b)係由模具取出之封裝體之局部放大剖面圖。 圖6 1係表示本發明之另一實施形態之半導體裝置之製造 方法之剖面圖。 圖式代表符號說明 1 QFN 2 半導體晶片 3 封裝體 4 晶墊部 5 引腳 5 a 引腳之一端部侧 5b 吊腳 5 c 引腳之他端部側 6 金線 7 焊接墊 8 端子 9 焊料層 10 金屬板 11 光阻膜 12 假端子 12a 聚醯亞胺樹脂 13 焊料凸塊 13a 焊料膏 14 接著劑 15 、 16 、 17 掩罩
-34 - 571421 (29) 18a 銅膏 18 銅端子 19 接著劑 20 金屬板 2 1 端子 22 缝隙 23 加熱塗佈器 30A、30B 夾具 3 1 溝 32 突起部 ο ο JO 晶片支持體 34 假端子 35 凹部 36 端子 37 溢料除去手 40 模具 40Α 上模 40Β 下模 41 樹脂薄片 42 排氣孔 Cl 〜c24 模腔 d 端子直徑 DC「〜DC8 假膜腔 G!〜G丨6 澆口 -35 - 571421
L 切 LF丨〜LF8 引 Pi 端 P2 端 P3 引 割線 腳框 子間間距(同一行) 子間間距(不同行) 腳端部侧前端間距
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Claims (1)
- 571421 拾、申請專利範圍 1. -種半導體裝置,其特徵在於包含半導體晶片、搭載前 述半導體晶片之晶墊部、配置於前述半導體晶片之周圍 之夕數引腳、電性連接前述半導體晶片與前述引腳之多 放至屬、、泉岔封前述半導體晶片、前述晶墊部、前述多 數I1魏前述多數金屬線之封裝體, 心引〜夕數引腳係形成使接近於前述半導體晶片之一端 丨側之間距小於位於與前述一端部侧相反侧之他端部 侧之間距, 多匕 ^ ^ JSL- — ^ K 瓶 2. 4. 之月面向外部突出之端子者。 # 1 =、寸利軏圍第1項之半導體裝置,其中前述端子係 者則处引_之—部分由前述封裝體之背面向外部突出 由显於d:圍弟1項之半導體裝置,其中前述端子係 丄弓丨腳之導電材料所構成者。 :背:::範圍第1項之半導體裝置,其中前述晶墊部 述!裝體之背面露出於外部者。 沪著前乾圍弟丨項之半導體裝置,其中前述蠕子俜 裝體之各邊以鑛齒狀各配置2行者。 聊中,:前:圍:5項之半導體裝置,其中前述多數引 之寬係寬:^二配置在接近於—端部侧之一方之引腳 之弓丨腳之寬二…子配置在接近於他端部側之-方 571421 申講·蓴刹範圍繽買 7. 如申請專利範圍第1項之半導體裝置,其中前述晶墊部 之面積係小於前述半導體晶片之面積者。 8. 如申請專利範圍第1項之半導體裝置,其中前述晶墊部 係被多數吊腳所支持者。 9. 一種半導體裝置,其特徵在於包含半導體晶片、搭載前 述半導體晶片之薄片狀之晶片支持體、配置於前述半導 體晶片之周圍之多數引腳、電性連接前述半導體晶片與 前述引腳之多數金屬線、密封前述半導體晶片、前述晶 片支持體、前述多數引腳及前述多數金屬線之封裝體, 前述多數引腳係形成使接近於前述半導體晶片之一端 部侧之間距小於位於與前述一端部侧相反側之他端部 側之間距, 在前述多數引腳之各引腳,電性連接由前述封裝體之 背面向外部突出之端子者。 10. 如申請專利範圍第9項之半導體裝置,其中前述晶片支 持體係被前述多數引腳所支持者。 1 1. 一種半導體裝置之製造方法,其特徵在於製造半導體裝 置,其係包含半導體晶片、搭載前述半導體晶片之晶墊 部、配置於前述半導體晶片之周圍之多數引腳、電性連 接前述半導體晶片與前述引腳之多數金屬線、密封前述 半導體晶片、前述晶墊部、前述多數引腳及前述多數金 屬線之封裝體者;且包含 (a)反覆形成含前述晶墊部與前述多數引腳之圖案,並 準備在前述多數引腳之各引腳之一面形成向垂直於前 571421 申請__範園繽翼 ^ 面之方向突出之端子之引腳框之工序; 立在形成於前述引腳框之前述多數晶墊部之各晶墊 j搭载半導體晶片,利用金屬線連接前述半導體晶片與 珂述彳丨腳之一部分之工序; (C)準備含上模與下模之模具,以樹㈣片包覆前述下 杲之表面後,將削述引腳框載置於前述樹脂薄片上,而 成方、刖述引腳之一面之丽述端子與前述樹脂薄片 相接觸之工序; (d)以刖述上杈與前述下模夾定前述樹脂薄片及前述 引腳框’並使前述端子之前端部分嵌人前述樹脂薄片内 之工序; &(、e)將樹脂注入前述上模與前述下模之間隙,藉以密封 則^導體晶片、前述晶塾部、前述引腳及前述金屬線 —同%形成使刖述端子之前端部分突出外侧之多數封裝 體後,由前述模具取出前述引腳框之工序;及 刀。·1如述引腳框而將前述多數封裝體分離成 獨立個體之工序者。 12. γ請專利範圍第11項之半導體裝置之製造方法,其中 月,J述⑷工序係包含以光阻掩罩包覆金屬板之-部分,利 I蝕刻未被刖述光阻掩罩包覆之區域之金屬板,以形成 k >數引腳' w述晶塾部及前述端子之工序者。 1申請專利範圍第12項之半導體裝置之製造方法,其中 〜夕數引腳ίτ、利用將前述金屬板施以半#、刻所形成 者。 57142114. 如申請專利範圍第11項之半導體裝置之製造方法,其中 别述多數引腳係形成在前述晶墊部侧之間距小於在位 於與前述晶墊部相反側之端部之間距者。15. 如申請專利範圍第n項之半導體裝置之製造方法,其中 刖述(a)工序所形成之前述端子為假端子,且進/资包含 在別述(e)工序後,除去前述假端子之工序;及在除杳前 述2端子之區域之前述引腳之一面,形成前端部分突出 於刚遂封裝體之外側之端子之工序者。 16. 如1請專利範圍第12項之半導體裝置之製造方法,其中 在刚述(a)工序中蝕刻前述金屬板之前述 晶墊部之區域之前述金屬板者。 ’赠 17. 如:請專利範圍第12項之半導體裝置之製法方法,其中 在前述U)工序中姓刻前述金屬板之際,不^刻在前述⑷ 工序中接觸於前述模具之區域之前述金屬板者。 18. 如申請專利範圍第11IM之半導 在前述弓!腳框之外框設有縫隙者。m19. =申請專利範圍第11項之半導體裝置之製洁方法,i中 ^端子麵著料封裝體之各邊㈣餘各配置2行 ^明寸利轭圍第19項之半導體裝置之製造方法 前料數引腳中,將前述端子配置在接近於前心 曰方之引腳之見係寬於將前述端子配置在離& 晶墊部之一方之?丨腳之寬者。 + 21.如申請專利範圍第"項之半導體裝置之製造方法 571421 申請蓴_範_繽買 在前述(b)工序中支持前述引腳框之模具係在與前述端 子之前端相對向之處設有溝者。 22.如申請專利範圍第1 1項之半導體裝置之製造方法,其中 在前述(c)工序中使用之前述模具係構成使前述上模接 觸於前述引腳框之外框部分及前述引腳之連接部分,並 將其外之區域利用作為注入前述樹脂之模腔之構造者。 23 .如申請專利範圍第1項之半導體裝置,其中前述多數引 腳之前述一端部側之長度交互有差異者。 24. 如申請專利範圍第23項之半導體裝置,其中形成於前述 半導體晶片之主面之焊接墊係沿著前述半導體晶片之 邊以鋸齒狀各配置2行者。 25. 如申請專利範圍第1或9項之半導體裝置,其中前述多數 引腳之前述一端部侧係向前述封裝體之厚度方向被彎 折者。 26. 如申請專利範圍第1或9項之半導體裝置,其中前述端子 之直徑係大於前述引腳之寬者。 2 7.如申請專利範圍第1或9項之半導體裝置,其中前述端子 之直徑係相同於前述引腳之寬者。 2 8.如申請專利範圍第9項之半導體裝置,其中前述晶片支 持體係加熱塗佈器者。
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Cited By (2)
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TWI382509B (zh) * | 2008-07-02 | 2013-01-11 | Powertech Technology Inc | 無外接腳式半導體封裝構造 |
TWI603448B (zh) * | 2010-05-27 | 2017-10-21 | 星科金朋有限公司 | 具有多列導線的積體電路封裝系統及其製造方法 |
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KR20030051222A (ko) | 2003-06-25 |
US20060240600A1 (en) | 2006-10-26 |
US20040232528A1 (en) | 2004-11-25 |
JP2003243600A (ja) | 2003-08-29 |
US7160759B2 (en) | 2007-01-09 |
US6809405B2 (en) | 2004-10-26 |
US20030111717A1 (en) | 2003-06-19 |
JP4173346B2 (ja) | 2008-10-29 |
CN1424757A (zh) | 2003-06-18 |
US7507606B2 (en) | 2009-03-24 |
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