TWI260059B - Circuit device - Google Patents

Circuit device Download PDF

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Publication number
TWI260059B
TWI260059B TW093140420A TW93140420A TWI260059B TW I260059 B TWI260059 B TW I260059B TW 093140420 A TW093140420 A TW 093140420A TW 93140420 A TW93140420 A TW 93140420A TW I260059 B TWI260059 B TW I260059B
Authority
TW
Taiwan
Prior art keywords
passive
conductive
component
pattern
item
Prior art date
Application number
TW093140420A
Other languages
English (en)
Other versions
TW200532828A (en
Inventor
Atsushi Kato
Original Assignee
Sanyo Electric Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sanyo Electric Co filed Critical Sanyo Electric Co
Publication of TW200532828A publication Critical patent/TW200532828A/zh
Application granted granted Critical
Publication of TWI260059B publication Critical patent/TWI260059B/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C3/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
    • B66C3/20—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs mounted on, or guided by, jibs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/12—Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
    • B66C23/42—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes with jibs of adjustable configuration, e.g. foldable
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  • Engineering & Computer Science (AREA)
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  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Wire Bonding (AREA)
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Description

1260059 九、發明說明： 【發明所屬之技術領域】 ▲本發明是關於包含被動元件的電路裝置，特別於 提咼配線密度之電路裝置。 y 、 【先前技術】 之。弟5圖（A) 示第5圖（A)的 參照第5圖，就習知的電路元件來說明 係顯示電路裝置的俯視圖，第5圖（B)係顯 B-B線剖面圖。
如第5圖（A)，例如在支持基板110上的預定的安裝丨 域120配置有例如IC#的半導體元件ι〇ι與複數個導電【 ^ 103。導電圖案103具有：固著（接合固定）有搭^ (bonchng wire)108等的銲墊（pad)部1〇3a及/或固著有被童 元件（passive element)106的兩電極部1〇7之安裝板（hnc 部1 〇3b。被動元件例如為晶片電容器等。
被動元件106與半導體元件1〇1係經由導電圖与 (conducive pattern)丨03連接。亦即藉由銲錫等的辉料固^ 被動元件106的電極部107於安裝板部1〇3b，由安裝板巧 職延伸導電圖案1G3。而且，藉由搭接線⑽等連射 塾部（pad)1〇3a與半導體元件1〇1的電極墊（如⑽ paci)102。而且，被動元件1〇6彼此係藉由兩端具有安裝相 部103b的導電圖案1〇3連接。 如第5圖⑻，被動元件106的端部侧面施加鍵錫，成 為電極部107。而且，於安裝被動元件1〇6時係藉由例如 銲錫等的銲料16G固著於安裝板部職（導電圖案]〇3)(例 316612 1260059 如參照專利文獻1)。 [專利文獻1]日本特開2003-297601號公報 【發明内容】 & [發明所欲解決之課題] 被動元件1 0 6的電核邮】n 7 # # ^ , 电乜邓107係錯由廉價的鍍錫構成。 而且，因錫熔點低，無法進行高溫的熱壓接，故於安裝被 力兀件106時係藉由銲料16〇固著於 . 利用鲜料⑽的安裝時，在電極部1〇7;成:由輝料 6〇構成的填角（仙et)D因此，為了電 與半導體元請或其他被動元件或導電圖=件： :力二牛106的電極部107下方需要比電極部} ‘ ⑻a之導電圖=。3 : 所連接的具有録墊部 “ θ /卞 據此，無法推展減少安裝面浐，而 使安裝有被動元件1G6的電路裝 二 降。 衣°口的女裝岔度下 而且，對於像配線複雜，導電 h〇】e)™連接，或者於單層構 :^孔⑽_gh 迁遊配置。也就是說，有為了被動元大;導電圖案阳 增加成本或工時(man—hour)之多 而作成會 裝面積等的問題。 冓…戈必須更擴大安 再者，銲料特別是利用銲錫固 的構造之裝置中，具有如下的問題具有樹脂密封 例如無法使在安裝於印刷 伋寺日寸的迴銲溫度 316612 1260059 ㈣〇w temperature)設在銲錫的炫點以上。此乃因若變成 =易的熔點以上的迴銲溫度，則因銲錫的再熔融會導致短 路或破壞封裝。 惟此=了鲜錫外也有利用^膏(_)接著的情形， 春產封後的熱使封裝變形，則會在銲錫或八§ 月產生衣痕（crack)，而使可靠度降低。 . 而且’在使用以錫為主点八AA - 電路裝置中更有問題。例如在以錫^固者手段的 端子(外部電極)與印刷基板等的安、二!者=屬部 錫形成外部電極本身的❹下2衣基板日"’或者在以録 銲錫，則哕 乂下，右於封裝内部的固著使用 用絲料無料㈣高。但是，利 用▲點的銲錫之安裳有破壞元件等的問題。疋 在封梟内部的固著採用盔 的固著手段變成剎κ^ …銘鲜錫¥ ’封裝外部 不完全。成利用低溶點的鲜锡之安襄，而使固著強度 再者，無料錫其種類少，不 是說，以無錯銲錫固著封裝内的被動元 輪銲錫會再炫安裝基板的話，則因内部 [用以解決課題之手段] & 本發明乃鑒於上述的 由以下來解決·· 進订的研發，帛I、係藉 一種電路裝置，係 固著手段，其中包含·· 錫為主成分的無敍銲錫作為 3166J2 7 1260059 安裝區域，配置有導電圖案以及與該 ' 接的半導體元件· /、、甩0木黾性連 搭接線；以及 至少一個被動元件， 配設有電極部，而 連接“述安裝區域，在兩側面 端，藉 由』：=動7L件的電極部固著前述搭接線的 甶4払接線進行電性連接。 第2、係藉由以下來解決·· 一種電路裝置，係使 固著手段，其中包含·· 、為主成分的無鉛銲錫作為 圖案 安裝區域’在切基板上配置有铸體元件 以及導電 搭接線；以及 至少一個被動元件，接 配設有電極部，而 者方；别述安裝區域，在兩側面 在前述被動元件 + 由該搭接線進行電性連^指著前述搭接線的-端，藉 而且’其特徵為：藉由樹脂 〜 體 半導體元件、被動元件以 广盖爾電圖案、 支持。 D ^、康，輿前述支持基板 第3、係藉由以下來解決： 成分的無鉛銲錫作為 ，種電路裝置，係使用以錫為主 固著手段，其中包含： μ 女裝區域，由驻山 的導電圖案與固 由错由被絕緣性樹脂支持 316612 1260059 著於該導電圖案或
搭接線；以及处'七緣性樹脂上的半導體元件構成； 被動元件，接# H 極部，而 者方、則述安裝區域，在兩側面配設有電 在前述被動元件 由該搭接、線it行㊉t f極部固著前述搭接線的一端並藉 电性連接。 * 而且，其特徵為· 义 . 體支持前述導電圉I.由丽述絕緣性樹脂至少覆蓋並一 而且，1特匕、半^體元件、被動元件以及搭接線。 (sheet)接著。玉為.前述被動元件係藉由樹脂或薄片 導體=或接前述搭接線的另一端於前述半 前：元::::部固著前述搭接線的另-端於其他的 =^，其特徵為··前述被動元件的電極部被施以鍍金。 元件上。，其特徵為：前述被動元件被接著於前述半導體< 下方西而己特徵為：在固著於前述被動元件的搭接線的 下方配置刚述導電圖案的一部分。 而且，其特徵為：前述搭接線係藉由熱壓接固著於前 述被動元件的電極部。 而^，其特徵為：前述被動元件係藉由不會再炼融的 其他固著手段固著於前述安裝區域。 [發明的功效] 316612 9 1260059 在本發明中可6 a、， hH Τ』凡成如以下所示的功效。 元件、導電圖二:上接線直接電性連接被動元件、半導體 動元件的電極；：二他被動兀件。也就是說，無須固著被 體元件的電極二連】：裝板部，或與鄰近被動元件的半導 第2 t 的輝塾部，可實現安裝面積的降低。 他㈣n 接固著搭接線於被動元件，實現與其 構成要素的電性土卓技 、 圖案的—部八 …〃 w在§亥搭接線的下方配置導電 他的構成要素，故於與連接於被動元件的導=:= 需要作成兩層配線，惟如果依昭本實二二-圖案父叉時 實現其連接，可謀求安裝密度的提高。可用單層來 現安ί面3二=動元件接著於半導體元件上。據此，實 =:=、，以及因連接於半導體元件的搭接、心 、淮短化造成的南頻特性的提高。 乐4、被動元件的安裝因可使 =安裝電路裝置的模組於印刷基板時的迴:;=二 的熔點以下的限制消失。 在鮮锡 第5、因可不使用銲料而固著，故 的應f造成銲料的產生裂痕，使可靠度提高。曰封叙 角二6、在被動元件的側面部未形成有由銲料構成的填 的安裝密度。 衣置全體 第7、藉由使用無紹銲錫於固著手段的電路穿置 在外部端子（外部電極）與安裝基板的固著採用無錯鲜锡。。 ^16612 10 1260059 或者，外部電極本身I π 不身可扭用無鉛銲錫。 無鉛銲錫因種類少 ^ 裝外部雙方無法使用—^'”、=故在封裝内部與封 用搭接線對應封裝内;:的^錫一。如果依照本實施形態，因 衣⑼°卩的被動兀件的電性楂拉 子與安裝基板的連接可採用無錯銲錫。 ，故外部端 第8、因無須以往針對被動元件 裝板部，故可使被動元件鄰近配置於…連：所需的安 例如被動元件為晶片電容 =牛。因此， 【實施方式】 /、鍊讯的吸收良好。
I 茶照第1圖到第4圖，說 施形態。 兄月本勒明的電路裝置的—實 第1圖是說明本實施形態的電路裝置 是俯視圖，第1圄日笼、θ，弟1圖（A) =W圖⑻疋弟！圖⑷的A_A線剖面圖。 本貫施形態的電路裝置10係由半導體元 、曾 案3、被動元件6以及搭接線8構成。 蛤電圖 如第1圖（A)所示，電路裝置係在例如以虛 定區域具有安裝區域2G。此外，本實施形態中的^ 1 i 至少配置有例如IC等的半導體元件 2域 與被動元件6。在此，係指構成以虛線表示之二案3 之連績的-區域。導電圖案3係具有 I路 δ的銲墊部3a。 u者有彳合接線 在本實施形態中，被動元件6係指例如晶片電卜 晶片電容器、電感、熱敏電阻、天線、振朗 兩端具有電極部7的晶片元件。電極部7係形成 7 細 Ϊ260059 2的被動元件6的兩端部，電極部7的表面被施以鍍全。 著：接^實施形態中，藉由在被動元件6的電極部7固 ^泉8的一端，以實現電性連接。被動元件6俜在安 衣&域20藉由未再熔融的固著手段固著。且 或導電性的接著材料（接著劑、接著片等）。八 為、.、巴緣性 俜接=如第1圖⑷所示，本實施形態的被動… 仏接者方，如未配置有導電圖案3的區域”曰 、-緣：的接著材料，則也能接著於密集的導電圖案3上。 用考二被動元件6因以搭接線8進行電性連接，故不1 卜圖案3的配置，而能固著於安裝區域20。 半導可猎由絕緣性的接著材料固著被動元件6於 千V肢TL件1上，據此，可實 卞0乃、 1的堆疊（stack)安|。 、 兀牛6與半導體元件 固著於被動元件6的搭接線 元件I的電極塾2及/或導電圖宰3=^ 搭接線8連接被動元件6的電極==部或者以 口此包極部7被施以鍍金，俾 讀 卜㈣。也就是說，藉由搭接線8的^接線8接合 決定電極部7最表面的金屬。 "（u或A1寺） 安裝::是:是不用輝料或Ag焊膏 1而疋猎由接著樹脂或接著片^AAJA # 於安裝區域20，& $ yv έ ^接著材料固著 義。 使用金屬細線進行電性的連接上具有意 據此，無須被動元件之電極部的固著區域之習知的安 316612 12 1260059 衣板第5圖的103b虛線圓圈記號）D而且，也釭項 鄰近的半導體元件i的電極墊與被動元件6用的銲 ;二=是說，可降低安裝面積。而L可使半導體元; =動元件6鄰近配置。據此，於被動元件6 带 谷為等時，雜訊的吸收變得良好。 ”、、电 此外，在本實卿態中，對於連接遠離半導 的位置之被動元件6與半導體元件i時係 安 3。故需配設鄰近半導體元件丨 ，圖木 1圖（A)的卢蜱圄H、— 登2的#塾部3a(第 ()圈心虎)，在該處打線接合bond)。但 側，導吏導電圖案3的情形，在被動元件6 而口 t 3的㈣部&不為可固著電極部7的尺寸 而/、要能確保可打線接合的 寸， 在連接導電圖幸3於被動1 很充分。而且，因可 的# 凡件6的搭接、線8的下方雄杆阶 線，故可防止安裝面積的增大。 ’下方進仃配 域的Γ^ΙδΙ(β)_Φ_㈣著被動元件6於安裝區 被動元件6係藉由接 ( 元件6的接著由於是接著樹脂咬接裝區域。被動 情形不同’未形成有填角。因此=被：與銲料丨60的 的安裝面積俜氣-从 女衣被動兀件6時所需 而且，、::s 广的平面性大小相同程度。 位置中係藉二:=元件6與半導體元件】鄰近的 被動元件6於半導㉜ 連接。而且如前述，因可疊層 為可能。而且，此：:須丄二！1安裝面積的大幅減少成 …頁達接切體元件】與㈣元件6 316612 13 1260059 的導電圖安1 ^ 的降低可得到^接也能縮短，故因電導（c〇ndUctance) 優點。 良奸的向頻特性，也具有雜訊的吸收變快的 用黏2二=^上，著被動元件6時的接著材料若採 狀態之程声的严产的^佳。若為流動性少，可保持塗佈的 度的厗度程度的黏度，則 . ^ ^ ^ ^ ^ % ¥ ? ^„ ,σ „ ^ 1 6 ^ ^ 例如在塗佈的狀能下件】的應力。而且， 下右具有數十至l〇〇//m /· 士&陪 又，則在此情形下對於固著時的 工、子 準精度’可使其具備餘裕。 ‘度方向）的對 配置元：=於-端固著的搭接線8的下方可 “導電圖案作成多層配線構造，經由通孔== 貫施形態中，可用單層進行配線的交叉。 -在本 <由以上得知藉由以搭接線連接被動元件6 才木用以搭接線連接的晶片元件，以產生各種效果〆3 例。其次，參照第2圖到第4圖說明上述電路裝置的封裘 百先參照第2圖，第2圖㈧係無須安裝基 電路裝置，第2圖（B)係使用具有導電圖案的樹脂片進式之 裝的圖’第2圖（C)係使用多層配線構造 二封 圓。 攸^之剖面 電圖案的支持基 ，可剝除支持基 第2圖（A)係在例如具有所希望的導 板上安裝、封膠（molding)如圖示的元件後 316612 14 1260059 ^°rrpir"，i(ha]fetc^ " 也月匕回餘（etch back)存在於封裝背件 —邊抵接沖孔導砷加n j f J 治。再者，
邊_ ¥、，泉木dad &3】加）的背面於下金屬模I 二封膝也能實現。此處係以採用第二類 、主、’一 例來說明。 干蚀幻的情形為 宰=是說，在安裝區域2〇配置有導電圖案3。導電θ 木3係被埋入絕緣性樹脂 V电g 31命山丨士 又符月面由絕緣性榭月匕· ::广導電圖案3係以Cu為主材料的導電曰 等Hi料的導電㈣由純等的合金構成的導電^ 佳。〃 ^電材料也可以，特別是可钱刻的導電材較 未達:藉由對薄片狀的導電落以半姓刻設有 運j ¥兒v白的；度之分離溝槽 而且，分離溝样”…：才曰32 U形成導電圖案3。 钆2知填充有絕緣性樹脂31，盥導電圄安 側面的彎曲構造嵌合广圖- 溝槽32下方的導電猪，使導猎由㈣分離 藉由絕緣性樹脂31支持。圖*3—個—個地分離，1 = ::，絕緣性樹脂31係使導電圖案3的背面露 ^封^區域20的全體，在此為半導體元件ι、被動 ^ /格接線8。絕緣性樹脂31可採用藉由轉注成形 恤此補㈣形成的熱硬化性樹脂或藉由射出成形 ㈣eCt_m〇lding)形成的熱可塑性樹脂。具體上，可使用 環氧樹脂等的熱硬化性樹脂、聚酿亞胺（⑽卿㈣樹脂、 聚本硫驗⑽yp一Iene sulfide)等的熱可塑性樹脂。而 316612 15 1260059 且’絕緣性樹脂若為使用金屬模 浸潰⑻P)、塗佈而覆蓋的樹脂，則所=的樹脂^ ^ 在此封裳中，絕緣性樹脂31係具有二樹脂均可採用。 同時支持電路模組全體的作用。如此切體元件1等， 31密封全體’可防止半導體元件I或被::由：絕緣性樹脂 案3分離。 /皮動兀件6由導電圖 半導體元件〗係在安裝區域 板：】a,上，依照其用途以絕 二:圖案裝 著，在電極墊熱麼接有搭接線8，虚導9固4 件ό連接。 /、V电圖案3或被動元 被動兀件6在安裝區域2〇内若 劑9固著於導電圖案3上。直巾 ^此㈣，則被接著 元件6與半導，开杜】斤在本貫施形態中，被動 搭接線8實現二即被^ :他構成要素的電性連接係以 3上，惟於第2Η⑷也可以不固著於導電圖案 圖案Λ叮担)所示的封裝構造時，藉由固著於導電 ° 、可提尚被動元件6的支持強度。 #，2 =件、6的電極部7係直接固著搭接線8的- ^ :本與半導體元件1的電極墊、導電圖案3、其他 被動兀件6的電極部7的任—個連接。 1〇 邑緣性樹脂31的厚度係被調整，俾距電路裝置 的格接、.泉8的最項部約被覆蓋 此厚度係可增加也能減少。 ^強度 、’巴、'彖)生樹脂3 ]的背面與導電圖案3的背面係成實質— 致的構造。而且’在背面設有使所希望的區域開口的絕緣 316612 16 1260059 樹脂（例如抗銲劑㈣如resist))33。而且 極的露出之導電圖案 在成為外部電 極完成電路裝置。 易寺的“材，形成背面電 —此日寸，構成背面電極（外部電極）34的 八 安裝基板的連接手段之銲錫可採 。、刀，成為與 錫。益鉛銲錫4丨 為主成分的無鉛銲 ㈣造中=:二：？此，在㈣: 著封::::叫封裝内部的無二:二當固 就是說，背面電極34可使用無料連接。也 二’若以絕緣性樹脂覆蓋導電圖案3上，則：導?圖二) f無關，可固著被動元件6於安裝區域I… 〜配:自=依照如第2圖 在安裝區域2G内導電圖案 構成要素-體被埋入絕緣性樹脂3心其他 敘述，此時的導電圖宰3 # 、在後面另有 導電膜42之絕緣樹；= = 的表面形成 形成。 ‘由形成導電膜42的圖案而 、、巴、、彖樹月曰41的材料係由聚醯亞胺樹浐俨？ # 的高分子構成的絕緣材料構成曰5衣乳对脂等 其中也可以混入填料且’考慮熱傳導性，在 氧一、…、== 虱化硼寺。絕緣樹脂41的 316612 17 1260059 膜厚為塗佈漿糊狀之物，當作薄片的鑄塑法(cast]ng method)時，在10m至1〇〇//m左右。又市面上販賣之物 以25 V m為最小的膜厚。 ’ 導電膜42最好為以Cu為主材料者，為A]、Fe、 或公知的導線架的材料也可以，以鍍覆法、蒸鍍法 (㈣method)或減鍍法⑽价如叫細11〇句被絕緣 樹脂2覆蓋，或者貼著有藉由壓延法或鑛覆法形成的金屬’ 箔也可以。 一導電圖案3係以所希望的圖案之光阻(ph〇t〇resist)覆· 盍導電膜42上，藉由化學蝕刻形成所希望的圖案。 V %圖案3係露出被打線接合（wire b〇nding)的銲墊部 (^ondmg pad)3a，以覆蓋（〇verc〇a⑽月旨44覆蓋其他的部 ^。覆蓋樹脂44係以網版印刷（screen pnnting)附著被溶劑 溶解的環氧樹脂等，而使其熱硬化者。 而且’在銲墊部3a上考慮接合性，形成有Au、Ag等 的鍍復fe 45。此鍍覆膜45係例如以覆蓋樹脂44作為罩幕鲁 (mask)，在銲墊# 3a上選擇性地施以無電解鑛覆。 j導體元件1以及被動元件6係在裸晶片ch⑻ 的狀態下，例如以絕緣性的接著劑（接著樹脂）9晶粒接八 (dle bond)於安裝區域2〇内的覆蓋樹脂料上。 ° 而，半導體元件1的各電極墊係藉由搭接線8連接於 銲墊部3a。 ' 端 在被動元件6的電極部7係直接固著搭接線8的 他端與半導體元件】、銲墊部h、其他的被動元件 316612 18 1260059 的任一個連接。 絕緣樹脂片43係被絕緣性樹脂3]” 圖案3也被埋入絕緣性樹脂3 方：盖，據此，導電 形、射出成形、塗佈、浸潰等。法也可以是轉注成 轉注絲、射出成形較適合。―疋’若考慮量羞性，則 ^面係絕緣樹脂片43的背面， . 使絕緣樹脂41的 /、？絕緣樹脂41露出， 部分配設外部命搞 在钕黾圖案3的露出 等。 $ 外部電極34 丫列如可採用無錯銲錫儀 如果依照此構造，因半導體元件 下的導電圖案3係被覆蓋樹脂44 :件6與其 即使在半導體元件丨之 '，、、·彖，故冷笔圖案3 γ 也自由地進行配線。 例如在弟2圖（Α)中，藉由配置 固著於被動元件“_線8的下方二;;二= 而軋由作成第2圖（Β)的構造，、 案3於半導ρ I也月匕配置该種導電圖 蜍趾兀件1或被動元件6 的減少或配線自由度的㈣。 h見^面知« 來說然以形成導電圖案3的絕緣樹…時為例 太月仁不限於此，亦可為以芸 — 的導電圖案3上之構造。而且，；44復盍弟2圖（A) 為以覆盍樹脂44覆蓄配設 於可挽性片等的支持基板上的導電圖案3上之；;：； 二下因都能將導電圖案3配線於半導體元件 故可貫現提咼配線的自由度之封裝。 其次’第2圖（C)係實現導電圖又案3的;層配線構造之 316612 19 I2600S9 圖。此外， 示 說明省略 2圖（B)同 的構成要素係以同一符 號表 在封裝區垴& 、.· 他構成要素—r ，導電圖案3係與電路裝置10的並 敘述，但此時的”圖入安絕3^生樹腊3】而被支持。雖在後面 質全區域形成有第木千$準備在絕緣樹脂41表面的實 成有第二導電膜仙背面也在實質全區域形 膜幻的圖案而形成。之、吧緣樹脂片仏藉由形成此等導電· 絕緣樹脂41、第一導帝广^ ，第的情形— 木之光阻覆蓋第-導電膜42a i卞=所希望的圖 化學飯刻形成所希望的圖案。上，藉由 而且’在第2圖(C)中，藉由 接隔著絕緣樹脂41分離成上層、下二 電性連， 連接她係將Cu等的鍍覆膜埋二7圖案3。多層 此處_採用CU，但亦可採用心=?等_在 安裝面側的導電圖案3传言 、 攀 -以覆蓋樹脂叫覆蓋其他m 丁：^的辉塾部 鍍覆膜45。 、邛3a配设有 。半導體元件1以及被動元件6係在裸晶片的狀能下， 例如以絕緣性的接著劑（接著樹脂）9晶 w 2〇内的覆蓋樹脂44上。 ：、女衣£域 而，半導體元件】的各電極墊係藉由搭接線8連接於 銲墊部3a，在被動元件6的電極部7係直接固著搭接線δ 316612 20 1260059 鮮塾部3a、其他的被動元 的一端，他端輿半導體元件】 件6的任一個連接。 絕緣樹脂片41 #y 道干 、被乡巴緣性樹脂3 1覆芸，妙h 一導電膜42a構成的導 ^據此，由乐 被一體支持。 口木3也被埋入絕緣性樹脂31， 由絕緣樹脂下方的第二 · 係由絕緣性樹脂31霖 电、 成的導電圖案3 緣片43的一部分，以\ 錯由以絕緣性樹脂3】覆蓋絕 此二 被一體支持，經由由第一導+日“ 40 構成的導電圖案3 *多 ¥电胺42a 配線構造。下層的導電圖安兩 貝夕h 八矿^ ^木3心路出形成外部電極34的邻 ::網版印刷被溶劑溶解的環氧樹脂等，以㈣::： 後盍大部分，藉由銲錫的迴銲或錫膏的網；曰 出部分配設有外部電極34。外部+ ^ &路 銲錫等。 Α ° 例如可採用無鉛 而且，外部電極34也能藉敍刻第二導電膜42b，以梦 金或鍍鈀膜覆蓋其表面的凸 、 " 成。 足兒極（bumP electrode)來達 多層配線構造中’不僅是連接於被動元件6的 4合接線8下方的導電圖奉3 4 , ... 心案J就連對需在安裝區域上大幅 地迂迴的導電圖案3,也能在半 夺版兀件1以及被動元件6 的下方时配線，可有助於晶片尺寸的減少。 其次’利用第3圖顯示使用支持基板的晶片尺寸封裝 (ChiPS1ZePaCkage)的一例。第3圖⑷係在第2圖（〇所示 的封裝中無須覆蓋樹脂44時的封裝，第3圖⑻係三層以 316612 21 1260059 上的多層配線構造的情形。 支持基板5 1例如為玻璃環氧基板等的絕緣性基板。此 外，支持基板5 1也能同樣採用可撓性片。 在成為安裝區域20的玻璃環氧基板5 1的表面壓接Cu 结，配置有形成圖案的導電圖案3 ’在基板5 1的背面配設 有外部連接用的背面電極（外部電極）34。而且，導電圖案3 與背面電極34經由通孔TH電性連接。 在基板5 1表面藉由接著劑9固著有裸露的半導體元件 1、被動元件6。在半導體元件1的電極墊壓接有搭接線8， 實現電路裝置10的與其他構成要素電性連接。 而且，在被動元件6的電極部7係直接固著搭接線8 的一端，他端係與半導體元件1、導電圖案3、其他被動元 件6連接。 而，半導體元件1、被動元件6、導電圖案3、搭接線 8係被絕緣性樹脂31密封，與基板5 1 —體被支持。絕緣 性樹脂31的材料可採用由轉注成形形成的熱硬化性樹脂 或由射出成形形成的熱可塑性樹脂。如此，藉由以絕緣性 樹脂3 1密封全體，可防止半導體元件1、被動元件6由導 電圖案3分離。也就是說，被動元件6變成以接著劑9以 及絕緣性樹脂3 1的兩個構成要素接著於導電圖案3。 另一方面，支持基板5 1亦可使用陶究基板，此時，導 電圖案3以及背面電極3 4係措由導電f印刷、燒結於基板 5 1的表面與背面而配設，經由通孔TH連接，藉由絕緣性 樹脂3 ] —體支持基板5 1與電路裝置1 0。外部電極34係 316612 1260059 碏由=鎮等固著於安裝基板，此時的銲錫可採用無錯鲜锡。 心且，如第3圖(B)，在每片的複數個支持基板5丨配 盥下思層的W圖案3，糟由經由通孔TH連接上# 吳下層的導電圖幸2，g你3 安上層 層配線構造也Ξ:二疋具有支持基板51的情形，多 4圖俯=圖ί支持基板採用導線架時的㈣例。第 )為俯視Θ，弟4圖（Β)為Β_β線剖面圖。 ^為支持基板的導線架5〇係在安裝區域 島⑻=瓜與成為導電圖案的複數條導線3。 ^有曰曰 著。I::二件裸f的半導體元件1係被接著劑9等固 者在+ 〗的電極墊 号口 導線3電性連接。 有彳°接線8，以實現與 被動元件6係在導線3上藉由絕緣 具體上係接著於複數條導線3上。而且 妾者。 電極部7係直接固著搭接線 另被動元件6的 元件】、導線3或同樣地藉由絕緣性接二了 ^ 動元件6連接。而且 妾者片接者的其他被 上。 件6也可以接著於晶島α 絕緣性樹脂31係密 注了日日島JL與電路驻¥ 3的一部分。絕緣性樹脂31的 凌置1〇以及導線 的熱硬化性樹脂或由射出 /'、U木用由轉注成形形成 緣性樹脂31的側面導出/形成的熱可塑性樹脂。由絕 子《 V線3的一，八 # 安裝於印刷基板等。 口1刀，m由無鉛銲錫等 此外省略圖示 在這種封裝中 亦可不是利用絕緣性 316612 !26〇〇59 樹脂 封。 31的密封，而是利用金屬外殼或其他的外 材的密 而且，當固著被動元件6於安裝區域2〇時，亦 '电性的接著材料固著電極部7於分曰 3。栌a , 、刀刎被絶緣的導電圖案 豕，也能併用搭接線8與導電圖案3，進行被動-6的電性連接。 ❼丁被動兀件· 【圖式簡單說明】 ， 。第1圖是說明本發明的電路裝置之俯視圖㈧、剖面 (B) 圖 第2圖是顯示安裝有本發明 之剖面圖。 私峪衷置之封裴的—例 弟3圖是顯示安裝有本發 而固 x月扪书路叙置之封裝的一 之剖面圖 的一例 第4圖疋頭不安裝有本發明的電路|置$ 的俯視圖⑷、剖面圖(B)。 路▲置之封裝的一 第5圖疋說明習知的電 (B)〇 包路晨置之俯視圖（A)、剖面圖 例 136810 主要元件符號說明 半導體元件 導電圖案 被動元件 搭接線 電路裝置 安裝區域 23a791230 電極墊 銲墊部 電極部 接著材料 多層連接手段 導電箔 3J66J2 24 20
絕緣性樹脂 32 分離溝槽 絕緣樹脂 34 背面電極 絕緣樹脂 42 導電膜 第一導電膜 42b 第二導電膜 樹脂片 44 覆蓋樹脂 鍍覆膜 46 多層連接手段 貫通孔 48 覆蓋樹脂 導線架 51 基板 封膠模具 101 半導體元件 電極墊 103 導電圖案 銲墊部 103b 安裝板（land)部 被動元件 107 電極部 搭接線 110 支持基板 銲料 IL 晶島 通孑L

Claims (1)

1260059 十、申請專利範圍： 〗·： = :裝置，係使用以錫為主 者手段者，其特徵包含： …、t蚌錫作為固 女失區域’配置有導電圖案以及與該 連接的半導體元件，· ¥電圖案電性 搭接線；以及 至少-個被動元件，連接於· 面配設有電極部，而 、°。或，亚在兩側 在該被動元件的電極部固著搭 該搭接線進行電性連接。 、、泉的一糕，並藉由讀 2. ^電路裝置，係使用以錫為 者手段者，其特徵包含： …、氦知錫作為固 女炎區域，在支拉其 電圖案； 夺基板上配置有半導體元件以及導 4合接線；以及 面配ii;::動:件’接著於該安裝區域，並“侧< 該搭極部固著該 3·如申請專利範圍第2項之 少覆蓋該導電圖幸、半導-:〃肖由知"曰層至 齒口木牛蜍體兀件、被動元件以及搭接 線，與該支持基板一體支持。 裝置，係使用以錫為主成分的無錯拜錫作為固 者手段者，其特徵包含： u 316612 26 ^059 女衣區域，由藉由被絕緣性 回著於該導電圖案 4月曰支持的導電圖案與· 戏，· 卞次心巴緣性樹月旨上的半導體元件構· 身合接線；以及 被動元件，接著於該安裝 電極部，而 Ά s ’亚在兩侧面配設有, 在該被動元件的電極部 . 由該搭接線進行電性連接。一合接線的-端，並藉 5.如申請專利範圍第4項之電 樹脂至少覆蓋並 、置’其中藉由該絕緣性 月丑克持该導電圖幸、 - 動元件以及搭接線。 茶體凡件、被 6·如申請專利範圍第或第 利範圍第!項或第2項或第:項 圖=連接該搭接線的另一端於該半導體元件或該導電， 8· ^請專利範圍第！項或第2項或第4項之電路 極部固㈣搭接線的另-端於其他的該被動元件的電， 二;:Π弟1項或第2項或第4項之電路裳置， 7、中该被動兀件的電極部係施加有锻金。 請專利第〗項或第2項或第^之電路 /中該被動元件係被接著於該半導體元件上。 .如申請專利範圍第i項或第2項或第4項之電路裝置I 27 1260059 其中在固著於該被動元件的搭接 圖案的一部分。 /之下方配置該導電 2:員或第4項之電路 固著於該被動元件的電極 12 ·如申清專利範圍第1項或第 其中該搭接線係藉由熱壓接 部。 】3:申請專利範圍帛1項或第2項或第4項之電路裝置 其中該被動元件係藉由不會再熔融的其他固著手段固 著於该安裝區域。 316612
TW093140420A 2004-03-26 2004-12-24 Circuit device TWI260059B (en)

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