TWI331384B - - Google Patents
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- TWI331384B TWI331384B TW094130688A TW94130688A TWI331384B TW I331384 B TWI331384 B TW I331384B TW 094130688 A TW094130688 A TW 094130688A TW 94130688 A TW94130688 A TW 94130688A TW I331384 B TWI331384 B TW I331384B
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Description
1331384 九、發明說明: 【發明所屬之技術領域】 基板側 本發明係有關於一種使用於半導體封裝體血 插座之連接的半導體承載用引腳。 ^ 【先前技術】 PGA (Pin Grid Array)型半導體封裝基板中,引腳 為了對應近來高配線密度化之要求,一般皆自插入封裝 基板側穿孔之插入型引腳,轉換成以鱲銲連接到封裝基 板銲墊上之T型引腳。 土
T型引腳,係以鱲銲固定在封裝基板電極銲墊上,同 樣地,1C晶片也以鱲銲固定在封裝基板電極銲墊上。在 此,使τ型引腳連接用鱲材與IC晶片連接用鱲材,改變 鉛含量或金屬組成而改變熔點,當使Ic晶片藉由再流動 而連接時,固定半導體承載用引腳之鱲材就不會熔化。 提高T型引腳拉伸強度之技術係開示於專利文獻J 中。 【專利文獻1】日本特開2001-267451號公報 【發明内容】 【發明所欲解決的課題】 近來,考慮對環境之影響,逐漸使用不含鉛之饊材 (例如,錫_銀_銅鱲材,錫-録鐵材),鐵材炫點變得比 較高。因此,以再流動來溶化鐵材凸塊而使I c晶片承載 2160-7379-PF 5 1331384 v 在封裝基板時,半導體承載用引腳連接用鱲材會熔化而 半導體承載用引腳會傾斜,而有無法安裝到子板側插座 之問題。現在,在CPU用封裝基板中,安裝有數百支半 導體承載用引腳,但是,當其中1支傾斜時,CPU就無法 安裝到插座而成為不良品。 • 關於半導體承載用引腳之傾斜,參照第1 0 ( A )圖、 • 第10(B)圖、第3(C)圖及第3(D)圖來做說明。 ^ 第10 ( Α)圖係表示封裝基板40。在封裝基板40上 表面之電極銲墊42形成有鱲材凸塊46,在下表面側之電 極輝墊44係透過鱲材48安裝有半導體承載用引腳10。 在此’如第10(B)圖所示,當使封裝基板40上表面之 鐵材凸塊46以再流動而熔化且連接到IC晶片50電極銲 墊而承載1C晶片50時,半導體承載用引腳10有時會傾 斜。 第3(C)圖係表示第ι〇(Α)圖中橢圓C内之半導 φ 體承載用引腳第3(D)圖係表示第10(B)圖中橢 圓C内之半導體承載用引腳1〇。如第10(B)圖所示, 當半導體承載用引腳10傾斜時,如第3(C)圖所示,可 知在電極銲墊44與半導體承載用引腳1〇鍔2〇間之鱲材 48内會殘留有空孔Β。而且,如上所述,當為了承載ic 晶片50而實施再流動時,如第3(D)圖所示,連接用鱲 材48也會熔化,同時’鱲材内之空孔b會膨脹,鍔20 會被空孔B推高’而半導體承載用引腳會傾斜。 本發明係為了解決上述課題而研發之技術,其目的 2160-7379-PF 6 1331384 在於提供一 腳〇 種於再流動時不會傾 斜之半導體承載用 引 專引申晴範圍第1項之發明 ,由軸體及鍔所構成, ,係 【用於解決課題的手段 為達成上述目的, 一種半導體承載用引腳 其特徵在於: 舞係由可抵接到被連接捏叙4 埂钱知墊之面狀平坦部及自平扫
凹陷之3個以上凹槽部所構成; 平坦部’係自中央位置往側端延伸,同時,相對於 ^過軸體中心之既定㈣成對稱,凹槽㈣㈣ 中央側形成。 【發明效果】 在專利申請範圍第!項之半導體承載用引腳令,鍔 係由可抵接到被連接銲墊之面狀平坦部及自平坦部凹陷 之3個以上凹槽部所構成,平坦部,係自令央位置往側 端延伸,同時,相對於通過軸體中心之既定垂線成對稱, 凹槽°卩係自側端朝向中央侧形成。亦即,在鋒上,凹槽 部係自側端朝向中央側形成,所以,被連接銲墊與鍔間 之鐵材内會殘留空孔’在再流動時即使空孔膨脹,其會 沿著凹槽部往側方脫出,所以,半導體承載用引腳不會 因為鍔被空孔頂高而傾斜。而且,平坦部係自中央位置 往側端延伸’同時,相對於通過軸體中心之既定垂線成 對稱’所以’能保持相對於封裝基板之垂直性。 在專利申請範圍第2項之半導體承載用引腳中,凹
2160-7379-PF 7 槽部係形成略斜i 以,在再'、: 凹槽部係朝向鳄側端傾斜,所 出。動時膨脹之空孔很容易沿著凹槽部往側方脫 在專利申請範圍第3項之半導 坦部係包括· m , 導體承載用引腳中,平 •圓形部,與鍔成同心. 呈半圓形ώ η 以及延伸部,剖面 ’自圓形部往侧端側延# 等高。因此,在槿1 ^ —、伸,上端係與圓形部 …、上旎很谷易形成平坦部。 槽部剖面:呈7:形圍“項之半導體承載用引腳中,凹 在再流動時膨二鍔側端傾斜,, 在專利—側方脫出。 平坦部面積佔鳄軸向剖面積之5^體承載用引聊中,使 連接到被連接銲墊。另从 0上,错此,能強固地 積之50%以下,藉此, 2平坦部面積佔鍔軸向剖面 著凹槽部往側方脫出。再流動時膨賬之空孔很容易沿 在專射請職第 平坦部面積佔鍔軸向剖 载用引腳中’使 阳積之10%以f· ^ 地連接到被連接銲塾。另夕卜 、, ,藉此,能強固 面積之30%以下,藉此, W 面積佔鳄軸向剖 在再流動時 沿著凹槽部往側方脫出。 V騰之二孔很容易 在專利申請範圍第7箱 引腳不會傾斜。 、配線板中,半導體承載用 實施方式】
2160-7379-PF 8 1331384 【第1實施形態】 以下,參照第1〜4圖來說明本發明第1實施形態之 半導體承載用引腳。 第1 ( A )圖係本發明第1實施形態之半導體承載用 引腳俯視圖;第1 ( B)圖係其側視圖;第1 ( C)圖係其 立體圖。 半導體承載用引腳10,係由圓筒狀軸體12及鍔20 所構成。鍔20係由可抵接到被連接銲墊之面狀平坦部22 及自平坦部22凹陷成略微半圓形之4個凹槽部24所構 成。平坦部2 2 ’係自鍔2 0中央位置往側端2 0 E延伸,同 時’相對於通過軸體1 2中心C N及凹槽部2 4最深部位之 垂線VL·成對稱。凹槽部24係自侧端20E朝向中央側形 成。 在此,半導體承載用引腳,係以銅合金等製成,全 長L1係3. 16·。軸體12直徑Φ 2係〇. 45mm。鍔20係直 徑Φ1為1.1 mm,厚度T1為0.26 mm。在凹槽部24最深 之侧端20E處,深度H1係〇. 13mm。如第1 ( a)圖所示, 相向凹槽部24之間隔W1係設定為〇. 45mm。 接著,參照第2、3圖來說明第1實施形態半導體承 載用引腳對封裝基板之安裝。 第2圖係表示半導體承載用引腳安裝到封裝基板及 ic晶片承載到封裝基板上之工序示意圖。如第2(a)圖 所示’在封裝基板40上表面之電極銲墊42形成有鱲材 凸塊46,下表面侧電極銲墊44配置有連接两銲膏"a。
2160-7379-PF 9 1331384 在此,如第2 (β)圖所 藉此,半導體承载用引腳二再流動來溶化鲜膏 且,如第2 圖所示:裝在封裝基板下表面。而 46以再流動來炫化而連接到=基板4〇上表面鱲材凸塊 ^ q . . , Jic晶片50之電極銲墊52。 第3(A)圖係表示第 in. ^ 弟2(β)圖中橢圓C内之半導體 a戰用W腳1〇;第图γ
内之半導體承…, 圖係表示第2(。)时橢圓C
心如第3U)圖所示,在電極 ~塾44與半導體承载用引 s 10知20間之鐵材48b内會 殘留有工孔β。如上所述,♦ ^ , 田為了承載1C晶片而實施再 k動時,連接用鱲材48b 貧熔化,冋時,鱲材内之空 孔B會膨脹,但是如第3(β)圖所示,空孔”沿著凹 槽部24往側方脫出,所以’鳄2()不會被空孔β推高, 而半導體承載用引腳10不會傾斜。 又’在第1實施形態之半導體承載用?丨腳1",凹 槽部24係形成略微半圓形,朝向鍔2〇側端2〇ε傾斜, 所以,在再流動肖膨脹之空孔报容易沿$凹槽冑Μ往側 方脫出。而且,空孔即使不自鐵材48b脫出,也會沿著 凹槽部24擴大,藉此,半導體承載用引腳1〇就不會傾 斜。 而且,平坦部22,係自鍔20中央位置往側端2〇E延 伸,同時,相對於通過轴體12中心之垂線vL成對稱, 所以,當承載ic晶片而再流動時,連接用鱲材48熔化 時,半導體承載用弓丨腳1〇也能保持相對於封裝基板4〇 之垂直性》 2160-7379-PF 10 丄圳384 藉由使用第1實施形態半導體承載用引腳,即使加 大構成1C晶片連接用鱲材凸塊46之鐵材與半導體承載 用引腳連接用鐵材48b之熔點差異,也能防止Ic晶片再 流動時之半導體承載用引腳傾斜。 第4 ( A1 )圖係第1實施形態第1改變例之半導體承 載用引腳俯視圖;第4 ( A2 )圖係其侧視圖;第4 ( A3 ) 圖係其立體圖。第4 ( B1 )圖係第1實施形態第2改變例 修之半導體承載用引腳俯視圖;第4 ( B2 )圖係其側視圖; 第4(B3)圖係其立體圖。 參照第1圖,在上述第1實施形態之半導體承載用 引腳1 0中’係使凹槽部24設在鍔20上4處。相對於此, 如第4(A1)圖、第4(A2)圖及第4(A3)圖所示,也 可以設置3處,或者,如第4(B1)圖、第4(B2)圖及 第4(B3)圖所示,也可以設置5處以上。 【第2實施形態】 • 以下,參照第5〜7圖來說明本發明第2實施形態之 半導體承載用引腳❶ 第5(A)圖係第2實施形態之半導體承載用引腳俯 視圖;第5 ( B )圖係其側視圖;第5 ( C )圖係其立體圖》 半導體承載用引腳10,係由圓筒狀軸體12及鍔20 所構成。鍔20係由可抵接到被連接銲墊之面狀平坦部22 及自平坦部22凹陷成略微半圓形之4個凹槽部24所構 成。平坦,部22係包括:圓形部2C,與鍔20成同心狀; 以及延伸部22H,剖面呈半圓形狀,自圓形部22C往側端 2160-7379-PF 11 1331384 20E側延伸,上端(表面位置)係與圓形部22(:等高。平 坦部22係相對於通過軸體1 2令心cn及延伸部22H最高 部位之垂線VL成對稱。凹槽部24係自侧端2〇e朝向中 央側形成。 在此’半導體承載用引腳,係以銅合金等製成,全 長L1係3. 16mm。軸體12直徑φ 2係〇. 45mm。鍔20係直 僅Φ1為1·1πιπι’厚度T1為0.26 mm。凹槽部24深度H1 係0.05mm。如苐1(A)圖所示,圓形部22C上端直徑W3 係0. 45mm ’下端直徑W2係〇· 55mm。延伸部22H寬度W4 係設定為0. 2mm。 第2實施形態之半導體承載用引腳1 〇,係與第^實 施形態相同地’當為了承載IC晶片而實施再流動時,在 鱲材内擴張之空孔β沿著凹槽部24往側方脫出,所以, 鍔20不會被空孔Β推高,而半導體承載用引腳1〇不會 傾斜。 又’在第2只知形態之半導體承載用引腳中,平 坦部22係包括:圓形部22C,與鍔20成同心狀;以及延 伸部22Η’剖面呈半圓形狀’自圓形部22C往側端侧延伸, 上端係與圓形部22C等高。因此,在模具上能很容易形 成平坦部。 而且,平坦部22延伸部22Η,係自鍔2〇中央位置往 側端20Ε延伸’同時,相對於通過軸體12中心之垂線VL 成對稱’所以,當承載1C晶片而再流動時,連接用鐵材 48a熔化時,半導體承載用引腳10也能保持相對於封裝 2160-7379-PF 12 1331384 基板40之垂直性。 第6 ( A1 )圖係第2實施形態第1改變例之半導體承 載用引腳俯視圖;帛6 ( A2 )圖係其側視圖;第6 ( A3 ) 圖係其立體圖。第6 ( B1 )圖係第2實施形態帛2改變例 之半導體承載用引腳俯視圖;第6 ( B2 )圖係其側視圖; 第6 (B3)圖係其立體圖。 參照第5圖,在上述第2實施形態之半導體承載用 引腳1 0中’係使凹槽部24設在鍔20上4處。相對於此, 如第6(A1)圖、第6(A2)圖及第6(A3)圖所示,也 可以設置3處,或者,如第6(B1)圖、第6(B2)圖及 第6(B3)圖所示’也可以設置5處以上。 第7 ( A)圖係第2實施形態第3改變例之半導體承 載用引腳立體圖;第7 ( B )圖係第4改變例之半導體承 載用引腳立體圖;第7 ( C )圖係第6改變例之半導體承 載用引腳立體圖。 在第5圖所示第2實施形態及第6圖所示第?香 4 Λ施 形態之第1、2、3改變例中,係使延伸部22Η形点 力乂到面 為半圓形。相對於此,如第7(A)圖、第7(B)圖及第 7(C)圖所示,在延伸部22H最上部設置線狀平垣部 也很適合。 【第3實施形態】 以下,參照第8圖及第9圖來說明本發明第3會 施 形態之半導體承載用引腳。 第8(A)圖係第3實施形態之半導體承載用引腳俯 2160-7379-PF 13 1331384 視圖;第8 ( B)圖係其側視圖;第8 ( c)圖係其立體圖。 半導體承載用引腳10,係由圓筒狀軸體12及鍔2〇 所構成。鍔20係由可抵接到被連接銲墊之面狀平坦部22 及自平坦部22凹陷成V字形之4個凹槽部以所構成。 平坦部22係由自鍔中心CN往侧端2〇E成十字形延伸之 線狀延伸部22L所構成。平坦部以,係相對於通過軸體 12中心CN及凹槽部24最深部位之垂線几成對稱。凹槽 部2 4係自側端2 0 E朝向中央側形成。 在此,半導體承載用引腳,係以銅合金等製成,全 長L1係3·16_。軸體12直徑〇2係〇46mm。鍔2〇係直 徑Φ1為1.1mm,厚度T1為〇·26 凹槽部24在最深 側端20E處之深度H2係〇13〇lni。如第!(A)圖所示, 線狀延伸部22L寬度W5係設定為〇 〇5mm。 第3實施形態之半導體承載用引腳1〇,係與第1實 施形態相同地’當為了承載1C晶片而實施再流動時,在 鱲材内擴張之空孔B沿著凹槽部24往側方脫出,所以, 鍔20不會被空孔B推高,而半導體承載用引腳不會 傾斜〇 / 又’在第3實施形態之半導體承載用引腳中凹 槽。I5 24係形成略微v字形,朝向鍔2〇側端2〇e傾斜, 所以’在再流動時膨脹之空孔很容易沿著凹槽部24往側 方脫出。而1,空孔即使不自鐵材48脫出,也會沿著凹 槽部24擴大,藉此’半導體承载用引腳1〇就不會傾斜。 而且,平坦部22,係自鍔2〇中央位置延伸至側端
2160-7379-PF 14 丄 丄:)δ4 〇Ε同時,相對於通過轴體12中、、 所以,當承載IC曰广 之垂線^成對稱, 時,半導體承m用 再流動時’連接用鱲材48熔化 之垂直性。 1U也此保持相對於封裝基板40 第9 ( A1 )圖係第3實施形態第丄改變例 载用引腳俯視圖;第9 導體承 圓尨甘A ( A2)圖係其側視圖;第9 (A<n 圖係其立體圖。第9(b $ 9 (A3) 之半導體承)圖係第3實施形態第2改變例 載用引腳俯視圖;第9(B2) 第9⑽圖係其立體圖。(B2)圖係其側視圖; 參照第8圖,在上述第3實 引腳干等體承載用 引腳10中,係使凹槽部24設 9 Γ An ^喚 υι 4處。相對於此, 第^⑴)圖、第9(A2)圖及第9(A3)圖所示,也 ::處’或者’如第9 ( B1)圖、第9 ( B2)圖及 弟9 ( Β3 )圖所不,也可以設置5處以上。 【評價實驗】 參 在此,針對實施改變第i實施形態半導體承載用引 腳凹槽部24、深度H1所得之實驗結果來做說明。在此, 製造6個(PCS)包括360支半導體承載用弓丨腳之封裝基 板,調查半導體承載用引腳是否有傾斜。作為比較例, 使包括第10圖所示平坦錯20之半導體承載用引腳安裝 到封裝基板。在此’連接1C晶片之鐡材凸塊使用 t之Pb-Sn-Sb鐵材’固定半導體承載用引腳之鱲材則使 用 23 6°C 之 Pb82-Snl0-Sb8 鱲材。 在此’當使深度H1設定為fl. 〇4mm時,與使用先前 2160-7379-PF 15 1331384 技術之半導體承載用引腳之比較例相同地,在6個封裝 基板中’在2個封裝基板上觀察到半導體承載用引腳有 傾斜。當使深度H1設定為〇. 〇5mm時,不會發生半導體 承載用引腳傾斜之情況。結果可知,最好使深度H1設定 為〇.〇5mm以上。 相反地’當使深度H1設定為2. 1mm時,在1個封裝 基板上觀察到半導體承載用引腳有傾斜。當使深度H1設 φ 定為2mm時,不會發生半導體承載用引腳傾斜之情況。 結果可知’最好使深度Η1設定為2mm以下。 而且’針對平坦部面積與鍔之軸體垂直方向剖面積 的比率實施實驗。 其結果表不於第11圖中。 在此,平坦部面積為50%,亦即’凹槽為50%時, 在240t經過40秒時,在i個封裝基板上觀察到半導體 承載用引腳有傾斜。亦即,可知只要是5〇%以下就有效 •果。在此,從實裝製程之安全係數觀點來看,可知最好 設定為30%以下。 反之,當使平坦部面積為4%時,無法獲得既定拉伸 強度U_5Kg〇’當使平坦部面積為5%時,錢獲得既 定拉伸強度。在此,即使讓平坦部面積為1〇%以上,可 知拉伸強度也不會增加 '由結果可知,藉由使平坦部面 積為5%以上,能強固地連接到被連接銲墊。 而且,在此所謂拉伸強度之測定方法,係與曰本特 開2〇〇卜267451號之接合強度測定方法相同。 ,
2160-7379-PF 16 而且,此評價實驗雖然係針對第】實施形態半導體 承載用引腳來實施,但是,發明者認為··上述結果在第2 霄施形態半導體承載用引腳及第3實施 用引腳也可獲得同樣的效果。 媸承戰 【產業上可利用性】 在上述帛1〜3實施形•態中,㈣針對特定形狀之平 坦部及凹槽部做過說 丨一疋,、要疋藉由設置凹槽而
使空孔能往側方脫出,當献芈 田热十坦邵及凹槽部可以使用各 種形狀。 【圖式簡單說明】 第1(A)圖係本發明第J實施形態之半導體承載用 引腳俯視圖;第1 (B)圖係其側視圖;第1 (C)圖係其 立體圖。
第2(A)~(C)圖係表示半導體承載用引腳安裝到封裝 基板及1C晶片承載到封裴基板上之工序示意圖。 示第2(B)圖中橢圓(C)内之半 ’第3(B)圖係表示第2(c)圖 第3 ( A)圖係表 導體承載用引腳(1〇) 中擴圓(C)内之丰/1Λ、 千等體承載用引腳(1〇);第3(c)圖 係表不第 10(A) iafe iSl , Ρ^ 圖中橢圓(C)内之半導體承載用引腳 (10);第3(D)圖係表示第1〇(B)圖中橢圓(〇内 之半導體承載用引腳(1〇 第4 ( A1 )圖係第i實施形態第】改變例之半導體承 載用引腳俯視圖;^[ y|fA9、固於廿 第4 ( A2 )圖係其側視圖;第4 ( A3 )
2160-7379-PF 17 丄JO斗 圖係其立f |g| 之 圖。第4 ( )圖係第1實施形態第2改變例 ::體承載用引腳俯視圖;第4 ( β2 )圖係其 第4⑽圖係其立體圖。 第5 ( A)圖係第2實施形態之半導體承載用引腳俯 •:第5( B )圖係其側視圖;第5 ( C )圖係其立體圖。 第6 ( A1 )圖係第2實施形態第1改變例之半導體承 載用引腳俯視圖;帛6 ( A2 )圖係其側視圖;第6 ( A3 ) 圖係其立體圖。第 _ 弟b ( B1 )圖係第2實施形態第2改變例 之半導體承載用ζ丨ggjjM、 戰用引腳俯視圖;第6 ( B2 )圖係其側視圖; 第6 ( B3)圖係其立體圖。 第7 ( A )圖係第2實施形態第3改變 載用引腳立體圖 體圖,第7 (β)圖係第4改變例之半導體承 载用引腳立體圖·笙 ’第7 ( C)圖係第6改變例之半導體承 載用引腳立體圖。 第8 ( A )圖係第3實施形態之半導體承載用引腳俯 視圖,第8 ( β)圖係、其侧視圖;第8⑺圖係其立體圖。 第9 (A1)圖係第3實施形態第1改變例之半導體承 载用引聊俯視圖;帛9(A2)圖係其側視圖;第9(A3) 圖係其立體圖。第9 ( Bl )圖係第3實施形態帛2改變例 之半導體承載用引腳俯視圖;第9 ( B2 )圖係其側視圖; 第9(B3)圖係其立體圖。 第i〇(a)~(B)圖係'表示使IC晶片*載在使用先前技 術半導體承載用引腳之封裝基板上之工序示意圖。 第11圖係表示針對平坦部面積與鍔之軸體垂直方向
2160-7379-PF 18 1331384 剖面積的比率實施實驗之結果圖表。 【主要元件符號說明】 ίο 半導體承載用引腳 12 軸體 20 鍔 20C 中央部 20E 側端 22 平坦部 22C 圓形部 22L 延伸部 24 凹槽部 22F 平坦面 40 封裝基板 42 銲墊 44 鱲銲凸塊 46 銲墊 48a 鱲銲膏 48b 鱲材 5 0 IC晶片 52 銲墊 19
2160-7379-PF
Claims (1)
- 1331384 第094130688號專利申請案 中文申凊專利範圍替換本(99年6月) 十、申請專利範圍: 1_ 一種半導體承載用引腳,其包含軸體及鍔, • 其特徵在於: 上述鍔係包含可抵接於被連接的銲墊之面狀平垣部 及自該平坦部凹陷之3個以上之凹槽部; 平坦部係自鍔的中央位置延伸到側端,並且,以相 對於通過上述軸體中心之既定垂線呈對稱之方式形成, 凹槽部係自側端朝向中央側形成; _ 上述平坦部包括自中央向外周延伸之線狀延伸部; 上述凹槽部係以朝向外周而連續地變深之方式 斜。 z♦如申請專利範圍第 八",必〜τ 腳,其中,前述凹槽部係形成略微半圓狀 3·如申請專利範㈣1心斤述之半導體承載用 腳’其中’前述平坦部係包括:圓形部,與鳄成同心 以及 延伸部,剖面呈半圓形狀,自 伸’上端係'與該圓形料高。^㈣往側端側 4. 如申請專利範圍第i項所述之半 腳’其中’前述平坦部係包括自鳄中心往側2用 狀延伸部,前述凹槽部形成為 申之 』囟呈大致V字# 5. 如申請專利範圍第丨至4項中任— 厂 體承载用㈣’其中,使前述平坦部面積::述之半 直方向上剖面面積的5〜50%。 一、-之軸之 146685-990615.doc 1331384 6. 如 體承載用 直方向上 7. — 至4項中 ; 輔夕y 申請專利範圍第1至4項中半導 引腳,其中,使前述平坦部面積為鍔之軸之垂 剖面面積的10〜30%。 種配線板,其特徵在於具有申請專利範圍第1 任一項所述之半導體承載用引腳。 146685-990615.doc
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TW098133545A TW201007906A (en) | 2004-09-15 | 2005-09-07 | Lead pin for mounting semiconductor and printed wiring board |
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EP (1) | EP1764833B1 (zh) |
JP (1) | JP4836425B2 (zh) |
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KR20080098081A (ko) | 2008-11-06 |
US20100187004A1 (en) | 2010-07-29 |
TW200629507A (en) | 2006-08-16 |
EP1764833B1 (en) | 2013-04-03 |
EP1764833A4 (en) | 2009-09-23 |
US8426748B2 (en) | 2013-04-23 |
KR20090122310A (ko) | 2009-11-26 |
CN101414593A (zh) | 2009-04-22 |
EP1764833A1 (en) | 2007-03-21 |
CN101414594B (zh) | 2011-01-12 |
WO2006030634A1 (ja) | 2006-03-23 |
TW201041101A (en) | 2010-11-16 |
CN100446235C (zh) | 2008-12-24 |
KR100993151B1 (ko) | 2010-11-09 |
CN101414593B (zh) | 2011-12-21 |
CN101414594A (zh) | 2009-04-22 |
US7723620B2 (en) | 2010-05-25 |
CN101019231A (zh) | 2007-08-15 |
JP4836425B2 (ja) | 2011-12-14 |
TW201007906A (en) | 2010-02-16 |
JP2006086283A (ja) | 2006-03-30 |
KR20070068345A (ko) | 2007-06-29 |
US20080055874A1 (en) | 2008-03-06 |
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