TW419797B - Substrate used for carrying semiconductor device, the fabrication method and the semiconductor apparatus - Google Patents

Substrate used for carrying semiconductor device, the fabrication method and the semiconductor apparatus Download PDF

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Publication number
TW419797B
TW419797B TW87106686A TW87106686A TW419797B TW 419797 B TW419797 B TW 419797B TW 87106686 A TW87106686 A TW 87106686A TW 87106686 A TW87106686 A TW 87106686A TW 419797 B TW419797 B TW 419797B
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TW
Taiwan
Prior art keywords
substrate
wiring
semiconductor element
mounting
recessed portion
Prior art date
Application number
TW87106686A
Other languages
English (en)
Inventor
Naoki Fukutomi
Yoshiaki Wakashima
Akinari Kida
Susumu Naoyuki
Original Assignee
Hitachi Chemical Co Ltd
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Publication date
Application filed by Hitachi Chemical Co Ltd filed Critical Hitachi Chemical Co Ltd
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Publication of TW419797B publication Critical patent/TW419797B/zh

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    • H01L24/00Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
    • H01L24/80Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
    • H01L24/85Methods 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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    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/48Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the subgroups H01L21/06 - H01L21/326
    • H01L21/4803Insulating or insulated parts, e.g. mountings, containers, diamond heatsinks
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  • Structures For Mounting Electric Components On Printed Circuit Boards (AREA)
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  • Production Of Multi-Layered Print Wiring Board (AREA)

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f 419797 A7 B7 經濟部中央橾隼局員工消費合作社印氧 五、發明説明(1〉 (技術領域) 本發明有關於搭載半導體元件之半導體元件用基板以 及其製造方法,以及實裝半,導體元件之具備半導體元件搭 載用基板之半導體裝置。 (發明之背景) 最近之半導體裝置係由於積體度之增大,高頻化,以 此希望爲多梢且小型之封裝。因此使用以往之引線架之周 邊端子乃端子數之一增加就會使封裝大型化,對大型化之 對策雖可採端子節距之縮小,惟0 . 4mm以下就有困難 之狀況。 對於端子數之增加之對應策而有將端子配置成面狀之 面陣列型之封裝,此面陣列(Area Array )封裝時,即須 要由晶片端子將配線引至外部端子電極用之配線基板。如 果將外部端子電極設於配線基板下面|即晶片之搭載面將 分爲設於配線之上面或設於配線之下面之兩種情形。如果 在配線基板上面搭載晶片時,即必要設有連給配線基板上 面與下面之層間連結。如果在配線基板下面搭載晶片時即 不需要此種連接。惟將晶片搭載於配線基板下面時*爲了 吸收晶片之厚度以及密封所必要,之厚度需要有凹部。 此凹部稱謂空腔(Carity),當空腔存在於下面時稱 謂下空腔(Cavity-down)構造,爲了製作此構造通常採取 對基板之削面加工,或控空基板後接著底板來製作。此構 造時,由於配線面爲同一平面上,因此欲改變晶片連接部 (錆先Μ讀背面之注意事項再填耗本瓦) 本紙張尺度適用中國國家標準(CNS)A4規格(210X297公嫠) Λ -4 - 經濟部中央標準局負工消費合作社印製 丨 419797 A7 B7五、發明説明(2 ) 與外部電極之高度時,需要多層構造之配線,依此方法即 可形成滿足晶片收容部與晶片連接部與外部電極部之立體 位置關係之配線構造。 面陣列型半導體封裝之一種有,在其連接端子上使用 焊錫球之B G A ( Ball Grid Array )。此BGA乃與以往 之使用引線架之半導體裝匱相比較時,其價格昂貴而被要 求設法減低其價格,價格高之理由爲,其半導體元件搭載 用基板之構造或製程係與引線架方式複雜乃其主要原因* 因此開發出構'造及製程之單純之半導體元件搭載用基板之 要求很殷切。 使用於面陣列型半導體封裝之配線基板乃通常稱之謂 「插入式選擇指」(inter poser),插入式選擇指大別爲 膜片形狀及硬板形狀。配線層數即一層或二層或三層以上 ,一般而言配線層數少者之製造成本低· 最能期望低成本者乃一層之配線構造,配線之存在於 插入式選擇指之至少兩面時*可以將半導體晶片搭載部及 外部端子分爲表•背面,惟一層之配線構造之插入式選擇 指時由於半導體晶片搭載部與外部端子將成爲同一面,因 此此種一層之配線構造時,須在配線面側設置爲收容半導 體晶片用之至少晶片之厚度程度之凹部|因此其製造法乃 成爲硏究之課題。 稱謂 T A B ( Tape Automated Bonding )或丁 C P ( Tape Carrier Package)之插入式選擇指及封裝技術時,即 控空插入式選擇指之中央部而設置半導體晶片。又硬板形 本纸張尺度適用中國國家揉準(CNS >A4規格(210X297公釐) ~ { ^M讀背面之注意事項再填寫本頁w 經濟部中央標準局負工消費合作社印笨 ί 419797 Α7 _Β7_____五、發明説明(3 ) 狀時也是控空插入式選擇指之中央部而製作半導體晶片收 容部而接著金屬板爲其底板,或將插入式選擇指之中央部 予以削面加工來形成凹部。此種方法時配線在平面部沒有 存在於凹部β (發明之槪要) 本發明乃考慮上述之點所開發,其目的乃提供一種可 能小型化,高可靠性,低廉,使其設計及製造方法之標準 化容易化之搭載半導體元件之半導體元件搭載用基板及其 製造方法,以及在半導體元件搭載用基板實裝半導體元件 之半導體裝置。 爲了達成上述目的,本發明乃在於具備凹部之半導體 元件搭載用基板,或在該凹部搭載半導體元件之後,藉由 密封樹脂而予以密封之半導體裝置中,其特徵爲: 上述半導體元件搭載用基板乃備有沿著該基板表面及 上述凹部之基板壁面所配置之配線,上述配線乃由:連接 於設置於上述凹部所開口側之該基板表面之外部連接端子 之外部連接端子部,及與上述搭載之半導體元件連接之內 連接端子部,及上述外部連接端子部與上述內連接端子部 間之配線部,而構成,上述配線係埋入於上述基板表面及 上述凹部之基板壁面,上述內連接端子部乃據位於上述凹 部內之位置者。 例如上述凹部之基板壁面係具備有延伸於該凹部之底 面方向之預先規定之傾斜角度範圍內之坡度。 (请先閱讀背面之注意事項再填寫本筲) 本紙張尺度通用中國國家標準(CNS ) Α4規格(210Χ297公釐) -6- 經濟部中央標準局頁工消费合作社印繁 ί 4i9797 Α7 _Β7_五、發明説明(4 ) 而上述凹部基板壁面之傾斜角度爲5〜4 0度之範圍 內。更合宜爲1 0〜4 0度之範圔。又上述凹部之基板壁 面之傾斜構造之高度G與其水平距離之比L/G爲1·5 <L/G<10之範圍內*更合宜爲2<L/G<10, 最合宜爲3<L/G<10之範圍內· 上述凹部乃例如藉由凸形之沖壓成形所構成。又上述 凹部乃複數級階地形成之構成亦可· 又上述凹部上,設置將該凹部再施予削面加工所形成 之爲收容半導體元件用之半導體元件收容部之搆成亦可以 〇 此時上述經削面加工而成之半導體元件收容部之深度 乃,較欲搭載之半導體元件之厚度大者爲宜。 又上述之半導體元件搭載用基板及半導體裝置中。 該基板表面部之上述外部連接端子部與上述凹部內之 上述內連接端子部之級階高度差爲〇·〇5mm以上爲宜 〇 該搭載於上述凹部之半導體元件之端子與上述內連接 端子部乃以引線連接地予以連接。 或將半導體元件之端子以背面饋送方式地直接連接於 上述內連接端子部爲宜。 又上述配線係設置於上述凹部之除了角部之壁面領域 〇 又上述凹部乃形成於該基板之主平面之略中心位置1 於上述凹部內,對於該半導體元件搭載用基板之厚度 (谇先閱讀背面之注意事項再填寫本 -訂 -^ 本紙張尺度適用中國國家橾隼(CNS ) Α4規格(2丨0X297公釐} ! 419797 經濟部中央標準扃負工消费合作社印家 A7 __B7 _五、發明説明(5 ) 方向之略中央地搭載半導體元件者。 在上述凹部內,對於該基板之厚度方向由中央以該基 板之厚度之3 0%偏倚以內地搭載半導體元件之構成亦可 〇 又將上述凹部乃於底面領域備有可以收容之複數之元 件之寬度,同時形成有對上述複數之元件之配線,而在該 凹部搭載複數之半導體元件及受動元件而構成亦可。 又上述配線乃利用全部由金臑所構成之可能抽拉加工 之配線構成體所形成者* 上述可能抽拉加工之配線構成體係至少含有備有構成 上述配線之第1之金靥層,及擔任該載置層之機能之第2 之金屬層之多層構造者爲宜。 又上述凹部之深度乃較所搭載之半導體元件之厚度小 I 而將上述凹部之底面,對於該半導體元件搭載用基板 之厚度方向,由中央實施該搭載之該半導體元件之厚度之 0.5乃至2.5倍之範圍內之深度地施予削面加工亦可 以。 上述凹部之深度乃較欲搭載之半導體元件之厚度爲小 ,且對該凹部施予削面加工,該至少露出之削面加工之底 面爲由不織布所成之預含浸樹脂之叠層予以硬化而成之樹 脂層之構成亦可。 此時在形成上述凹部之樹脂層之背面接著厚度 I 0 . 0 3 5mm以上之金屬板*令上述凹部之深度小於欲 {請先Μ讀背面之注項$填苑本頁) 本紙張尺度適用中國國家標準(CNS) A4说格(2丨OX”7公釐) -8 - 419797 經濟部中央標率局負工消费合作社印製 A7 B7_五、發明説明(6 ) 搭載之半導體元件之厚度,且對於該凹部之底面施予削面 加工使上述金屬板露出·或在形成上述凹部之樹脂層之背 面接著厚度0 _ 2mm以上之金屬板’使上述凹部之深度 小於所搭載之半導體之元件之厚度爲小’且上述土屬板之 削面深度能達0 . 0 5mm以上地對於該凹部之底面實施 削面加工。 又樹脂層之削面乃在到達於上述金屬板之前使之終了 亦可。 再者,爲了達成上述目的之本發明乃 在半導體元件搭載用基板之製造方法中,將且有,至 少含有第1之金靥層及擔任該載置層之機能之第2金屬層 之多層構造。將全部由金屬所構成之可能抽拉加工之配線 構成體,壓接於樹脂基板予以接著,同時在該樹脂基板上 *形成備有預先規定之傾斜角度範圍內之坡度之壁面之凹 部,而藉留存上述第1之金屬層去除其他之金屬層,以資 沿著該基板表面到上述凹部之基板壁面地配置形成, 由:連接於設置於上述凹部所開口側之該基板表面之 外部連接端子之外部連接端子部•及與上述搭載之半導體 元件連接之內部連接端子部,及上述外部連接端子部與上 述內連接部端子間之配線部而構成,埋入於上述基板表面 及上述凹部之基板壁面之配線,爲其特徵* 本案中上述可能抽拉加工之配線構成體之破斷延伸率 爲2 %以上爲宜》 又上述構成可能抽拉加工之配線構成體之上述載置層 ---------,------訂------呤--1 ... ' *·-{請先閲讀背面之注意Ϋ項再填寫本頁)_ 本纸張尺度適用中囷國家樣準(CNS )以規格(210X2们公釐) -9 - 經濟部中央樣準局員工消費合作社印聚 419797 A7 B7五、發明説明(7 ) 之厚度乃在於0 . OlOmm〜0 . 050mm之範圍爲 宜。 又上述凹部之基板壁面之傾斜角範圍爲5度以上4 0 度以下, 而上述凹部之深度乃其所收容之半導體元件之至少 3 0 %以上爲宜。 又形成上述凹部之後,在上述凹部之底面施予削面加 工,在上述削面加工之後,去除上述其他之金屬層之構成 亦可以。在有其他之金屬層之狀態下,施予削面加工時即 可以精度良好的實施削面加工。 又爲了達成上述目的,本發明乃於備有搭載半導體元 件用之凹部及配線之半導體元件搭載用基板之製造方法中 ,使上述凹部之深度小於所搭載之半導體元件之厚度,且 在該凹部之底面施予削面加工者,在上述削面加工時,切 斷對於上述搭載之半導體元件之配線之一部份,而使該配 線之端部到著於以削面加工所形成之凹部之邊緣部爲其特 徵由而凹部之邊緣部之加工精度會提高。 依本發明時可形成可以收容半導體元件之凹部,同時 可形成對應於半導體元件之連接之微細配線,合乎於面陣 列型半導體封裝,利用此技術之半導體封裝件乃適合於 C S P ( Chip Scale Package ) · F B G A ( Fine Pitch Ball Grid Array ) * B G A ( Ball Grid Array ) · L G A (Land Grid Array )等。
(請先《讀背面之注意事項再填爲本頁W 本紙張尺度適用中國囷家標準{ CNS ) A4規格(2丨0X297公釐) -10- 經濟部中央標準局員工消費合作社印聚 」4 ί9了9 7 Α7 _ Β7五、發明説明(8 ) (實施發明之最良形態) 參照圖1〜圖4說明適用本發明之半導體裝置之實施 形態。又本發明並不侷限於下述之形態。 依本發明之半導體裝置乃如各圖所示,具備有,半導 體元件(半導體晶片)1 |及備有用於搭載半導體晶片1 用之凹部或貫穿孔部之絕緣基板7,及電氣的連接於f形 成於絕緣基板7之表面之半導體晶片•同時在實裝時實施 與外部之連接之外部電極5,以及密封了收容半導體晶片 1之凹部或貧穿孔部之密封樹脂4· 本實施形態之半導體裝置上,再設有電氣的連接半導 體晶片1及外部電極5之配線2 ·此配線2乃由:連接有 爲與半導體晶片1連接用之引線3之內連接端子部,及連 接於外部電極5之外部端子連接部,及由該內連接端子部 與外部連接端子部之間之配線部所構成,上述內連接端子 部與上述外部連接端子部之間設有級階高低差。 本例中•連接引線3與外部電極5之間之配線2乃採 用從配置外部電極5之基板表層部到上述凹部壁面或底面 之表層部地連續的埋入之方式。又半導體晶片1·引線3 ,引線3與配線2之連接部(內連接端子部),及配線2 之主要部份或全部之部份均據位於上述凹部內,而由密封 樹脂4而予以密封。 又圖1〜圖4中,標號6乃設於絕緣基板7之表面之 表面層,標號8係設於絕緣基板7之背面側之金屬板。 上述半導體裝置及半導體元件搭載用基板乃具有至少 _----------------訂------^ ί (請先《讀背面之注意事項再填寫本w ) 本紙張尺度逍用中國國家梂隼(CNS ) Α4说格(210X29?公釐) -11 - 經濟部中央樣準局貝工消費合作社印製 f 419797 , A7 B7_五、發明説明(9 ) 包含有第1之金屬層,及做爲該載置層之機能之第2金展 層之多層構造。將全部由金屬所構成之可能抽拉加工之配 線構成體接著於樹脂基板,同時在該樹脂基板上形成,備 有預先規定之傾斜角度範圍內之坡度之壁面之上述凹部’ 留存上述之第1金屬層而去除其他之金屬層,由而沿著該 基板表面至上述凹部之基板壁面地配置形成,埋入於上述 基板表面及上述凹部之基板壁面之,由:連接於設置於上 述凹部所開口側之該基板表面之外部連接端子之外部連接 端子部*及與上述搭載之半導體元件連接之內連接端子部 ,以及上述外部連接端子部與上述內連接端子部之間之配 線部所構成之配線,而製造。 將上述可能抽拉加工之配線構成體壓接,接著於樹脂 基板,留存第1之金靥層而去除其他金屬層時•第1之金 屬層之配線之不接觸於其他之金屬層之3面乃被埋入於樹 脂基板,接觸於配線之其他之金靥層之1面乃以樹脂基板 之同一面地會露出,本發明中,配線之埋入乃代表下述之 意義。 上述可能抽拉加工之配線構成體中,該第1之金屬層 之配線之接觸於其他之金屬層之配線面(a )之寬度乃與 配線面(a )之相反面之配線面(b )之寬度相比較時會 變大。本發明中寬度大之配線(a )之面露出,以此面可 供端子之用,因此可以使每單位面積之配線密度增大,可 能達高密度化。 關於可能抽拉加工之配線構成體乃以,至少包含做爲 <請先W讀背面之注意事項再填寫本萸) 本紙張尺度適用中國國家#準(CNS ) A4洗格(210X297公嫠) -12- 419797 A7 經濟部中央標隼局員工消費合作社印装 B7_五、發明説明(10 ) 配線之機能之第1金靥層及做爲其載置層之機能之第2金 屬層之多層構造之方式,或由:一片之金屬箔之一面介著 規定之抗蝕劑花樣施予半蝕刻而形成配線而做爲配線之機 能之第1金屬層,以及做爲其載置層之機能之第2金屬層 所成之構造亦可以》 將上述可能抽拉加工之配線構成體壓接於樹脂基板而 予以接著,留存第1之金屬層而去除其他之金屬層時留存 其他之金屬層之一部份,例如內連接端子部,外部連接端 子部之處所等情形亦可以。 上述凹部乃以對應於它之凸形之壓製成形者,將它本 身或該凹部再加以削面加工以資形成供半導體晶片1之收 容部之半導體元件收容部。又凹部即以設置複數之級階方 式亦可。 又對上述凹部或將該凹部予以削面加工而形成之半導 體元件元件收容部之深度乃使之大於所搭載之半導體晶片 1之厚度爲宜β 又對於上述凹部施予削面加工時,即施予該削面加工 之後才去除其他之金靥層(載置層)之構成亦可以。 又本實施形態中,設置配線2之傾斜部之傾斜角度乃 定於在下面詳述之該裝置用基板之製造方法之對應於製造 條件地予以設置之預先規定之角度範圍內。 更具體的說,上述凹部壁面之傾斜角度定爲5〜4 0 度以下,又更合宜爲5〜2 5度,又最合宜爲5〜1 8度 ,此傾斜角度乃不但是對應於使用於壓製加工之沖壓模加 (婧先閲讀背面之注意事項再填寫本黃> 訂 Λ 本紙張尺度速用中國國家標準(CNS ) Α4規格(210X297公釐) -13 - 經濟部中央標窣局貝工消费合作社印装 1 419797 A7 _ B7_五、發明説明(11 ) 工之模突起部之形狀,也對應於形成於配線2所使用之可 能抽拉加工之配線構成體(轉印用金屬箔)之物性及凹s/ 壓製成型之製造條件等所決定•傾斜角度乃代表最大傾斜 角度》 又使用傾斜部之高度G及水平距離L來表示時(參照 圖1 )即,關於本實施形態之半導體裝置之傾斜部份即 1.5<L/G<10。 更合宜爲2<L/G<10,最合宜爲3<L/G< 10。 又上述級階之深度乃以應收容之半導體晶片1之厚度 之3 0 %爲宜。 半導體晶片1之厚度一般係〇 . 2乃至0 . 5mm所 以級階深度至少須要0.06乃至0.15mm* 級階之深度乃由電極5之高度也不同,如圖1〜圖4 所示以焊錫球做爲外部電極5時,由焊錫球之大小而餘裕 度將不同,例如焊錫球之直徑爲0 . 7mm程度時,實施 低的引線連接,將密封樹脂4之高度抑制於0.2mm程 度即可充分保持封裝與母基板之間隔*惟焊錫球之直徑爲 0 . 4mm以下時,即不設凹部而保持封裝(殻體)與母 基板之間隔會很困難* 又不使用焊錫球之LGA ( Land Grid Array )時須在 凹部內設置引線連接部。 在半導體晶片1之絕緣基板7上,如設正方形長方形 之級階高度差時,其角隅部最容易破斷》又雖不至於破斷 t讀先閲讀背面之注$項再填寫本買) —衣. 订 本紙張尺度適用中國國家糅準(CNS > A4規格(2丨0X297公釐} · 14 - A7 B7 經濟部中央橾率局貝工消費合作杜印製 五、發明説明(12 ) 也受很大的變形,因此在於角隅部設配線時會引起長期時 可靠性會有問題之可能,所以在該處不設配線爲宜,如果 需在角隅部設配線,角隅部上設R即可以》 又在絕緣基板7之凹部,對於該基板之厚度方向能位 於中央部地搭載半導體晶片1»因此可以當在發生溫度循 環時之該半導體裝置之蹺變抑制於最小· 另一方面將半導體元件由中央部偏倚地搭載時*乃與 基板之剛性與密封樹脂之硬化收縮量有關係,在基板厚度 之3 0 %之偏倚之情形下》仍然可確保可靠性。 又半導體晶片1之收容部乃,在藉壓製加工之凹部形 成再加上例如圖1或圖4所示,對於凹部內再施予削面加 工而可製作種種規格之半導體元件搭載用基板,削面加工 乃在印刷配線基板上一般性的實施者,因此藉端銑刀而機 械的實施•加工尺寸即XY Z方向均能精密地控制。 本實施形態時,削面加工深度需要維持於收容晶片之 厚度之0.5倍至2.5倍之範圍內。這是受引線接觸之 容易性之關係。在於高度低之低環引線連接時,晶片側連 接位置與基板側連接位置之高度乃變化少者爲宜。 削面加工面之狀態會影響至半導體晶片1之接著及密 封樹脂4之接觸。以布狀之連續玻璃纖維來形成搭載半導 體晶片1用之絕緣基板7時,在削面加工面而玻璃纖維及 樹脂有剝離之情形|在此情形時,對於削面加工面之密封 樹脂或模連接樹脂之濡順性不佳,接著力弱。不織布時即 其玻璃纖維乃短纖維,其削面加工面平滑,所以對於削面 « 背. 面' 之 注
I 訂 \ 本纸張尺度逍用中國國家揉準(CNS ) A4現格(210X 297公釐} - 15- 經濟部中央標準局貝工消费合作社印製 A7 B7_五、發明説明(13 ) 加工面之密封樹脂或模連接樹脂之濡順性良好’接著力強 〇 關於製造方法之詳狀將於下面再說明。 再者,亦可以在絕緣基板7之中心部形成收容半導體 元件不充分厚度之凹部及配線,再對於該凹部施予削面加 工於削面加工時切斷配線2之一部份,使配線2之端部能 到達於藉由削面加工所形成之凹部之.構成亦可。 又如圖3所示,在絕緣基板7之中心部形成可收容複 數之元件之凹部及配線2,在該凹部搭載複數之半導體元 件或受動元件等之構成亦可以。配線2乃使用於凹部內之 半導體晶片間之配線及凹部與凹部外之配線* 再者,如在凹部之壓製形成時,將金屬板設置於背面 側時即同時成一體地形成具有散熱層等之機能之可能之金 屬部。 又如圖4所示,在安裝於絕緣基板7之背面之金屬板 8實施削面加工,在削面加工之凹部之底面露出金屬層之 構成亦可以。在爲了露出金屬層之削面加工上採用端銑刀 時須對金屬面銑進,所以須要加厚金屬板8,使用薄的金 屬層時,實質上採用端銑刀加工時板厚精度之補正很困難 |惟單獨使用或併用雷射加工,電漿加工*樹脂蝕刻加工 而可製作。又對於須削面加工之部份予以挖空加工*接著 別的基板或金屬板來形成亦可以》 下面參照圖5〜圖8說明本實施形態之半導體裝置之 製造方法。 (请先聞讀背面之注意事項再填寫本肓) 本纸張尺度適用中囷國家標準(CNS ) A4規格{ 210X297公釐)--J6- 經濟部中央樣準扃負工消费合作杜印製 A7 B7五、發明説明(Η ) 說明第1之例 依本例之製造方法中’首先爲形成包含配線2之配線 用之轉印用金靥箔而使用例如圖5或圖6所示,在厚度 3 5 pm之銅箔(載置層)1 〇上’以電鍍形成〇 · 5 Aim之錬層1 1,又再形成之銅范12之二層構造 箔。此銅箔乃日本電解(株)所製。- 又本發明中轉印用金靥箔乃只要全部以金屬所構成不 含一些樹脂等:即可上述構造以外者亦無妨。即轉印用金屬 箔至少具有載置層(本例中銅箔10),及配線層(本例 中銅層1 2 )即足,載置層與配線層爲由同種之金廇所構 成時,即於層間設置由不同種之金靥所成之遮屏層(本例 中鎳合金11),又載置層乃在後過種中以蝕刻來去除。 載置層亦可留存一部份應用做端子之用。 又轉印用金屬箔乃須具有於製程溫度領域(壓製溫度 150 °C〜250 °C)中,2%以上之破斷延伸率(破斷 延伸率乃100%以下爲宜)* 轉印用金屬箔乃規定其載置層之厚度以0 . 0 1 〇 mm〜〇 . 050mm之範圍*如果比它薄,即處理上困 難。比它厚即很難順從於壓製模之形狀。載置層乃在轉印 過程之壓製之直前,將沒有形成配線之面施予前面蝕刻, 使之做成較薄者》 本例中,將供配線構件之厚度5 //m之銅層1 2,藉 由通常之光致抗蝕劑法形成抗蝕劑圖樣,而施予蝕刻,蝕 ^ ---------^------iT---------------- (請先《讀背面之注$項再填寫本頁) 本紙張尺度逋用中8國家標準(CNS ) A4规格(210X297公釐> 17 · 經濟部中央標準局員工消费合作社印製 '419797 A7 __B7___五、發明説明(15 ) 刻液需具有可蝕刻銅,不蝕刻鎳之選擇性’在印刷基板業 適用之鹸性蝕刻液即很合宜,厚度3 5 之載置層1 0 以抗蝕劑來防止其受蝕刻。 以圖7所示之構成,溫度180t壓力2·5kg/ cm2,二小時加熱加壓備有圖樣之銅箔1 0〜1 2 >圖7 中,在沖壓上模1 3與沖壓下模1 7之間,由上依序配置 了複數之鋁箔1 8,三層構造之具有.圖樣之銅箔(銅箔 10,鎳合金11,銅配線12),複數之玻瑀布含浸叠 層體1 4,不織布含浸叠層體1 5 *玻璃布含浸叠層體 1 4,以及用做金屬板之銅箔1 6之構成》 沖壓上模1 3之突起部1 3 a乃其斷面呈台形形狀, 其高度0 . 1 5mm *其側面坡度角度爲45度。在模與 銅箔1 6之間夾三張厚度2 5 之鋁箔1 8做爲緩衝層 ,而施予壓製加工,含浸疊層體乃使用玻璃布等含浸了耐 熱環氧樹脂之日立化成工業(株)製者》 本例中厚度0 . 1mm之玻璃布含澄叠層體14 —共 用八張,又使用玻璃纖維之厚度0.2mm之不織布含浸 疊層體1 5 —張,此不織布含浸叠層體係插入於玻璃布含 浸叠層體之6張與7張之間*以此條件所製作之玻璃環境 基板乃供切取多數個單元之用,多數地形成有同一配線及 凹部,將它以前述之鹼性蝕刻劑而全面地蝕刻去除載置銅 箔1 0,接著以鎳選擇蝕刻液而蝕刻去除鎳層1 1。 由以上之條件而在於,於厚度1.〇mm之板上備有 0 . 1 5mm之凹部,在包含凹部之表面層連續地形成配 本紙張又度逍用中圉國家樣準(CNS ) A4洗格(210X297公釐)~. 18- 先閲請背面之注意事項再填寫本頁) 訂. 經濟部中央標準局貝工消费合作社印«. ! 419797 a? _ B7_五、發明説明(16 > 線,對此基板再以端銑刀裝置而,從凹部而調整深度起見 ,再銑製到0 · 5 5mm深度,加工成可裝置半導體晶片 。以通常之方法設置焊錫抗蝕劑層,在端子部電鍍鎳1 5 //m,金 0 . 厚度。 於是在該凹部接著厚度0.28mm之半導體晶片1 ,以引線連接來連接。以液狀樹脂4來密封半導體晶片1 與引線連接部(引線3及配線2之內.連接端子部),裝置 焊錫球5之後切斷分離成個片形成半導體裝置。 以上述之製造方法可獲得例如圖1所示之構造,依本 構造時可製造近乎晶片尺寸之比較小之封裝件,可製作晶 片尺寸之封裝件(CSP)。 說明第2之例 在本例之製造方法中,亦準備,厚度3 5 之銅箔 (載置箔)上,以電鍍形成05#m之鎳層•又形成5 之銅層之三層構造箔,此銅層乃日本電解(株)製。 對於上述厚度5 jt/m之銅層,藉由通常之光致抗蝕劑 法形成抗蝕劑圖樣而施予蝕刻*蝕刻劑液乃須具有對鎳不 蝕刻對銅蝕刻之選擇性,在印刷基板業常用之鹼性蝕刻劑 乃很適宜,厚度3 5 之載置箔以抗蝕劑來保護使之不 會被蝕刻。 以圖8所示之構成,將由銅箔1 0,鎳合金1 1及銅 層1 2所構成之具有圖樣之銅箔,以溫度1 8 0°C,壓力 2 5 k g / c m 2加熱加壓2小時。 本纸張尺度速用中國困家樣準(CNS ) A4規格(2丨0X297公釐)~~- 19- nf ^^1 m ^—t I ^^^1 i 1··^*J - . (诗先聞讀背面之注項再填寫本頁) 419 了 97 A7 B7 經濟部中央標準局貝工消费合作社印策 五、發明説明(17 ) 圖8表示,在沖壓上模1 3與沖壓下模i 7之間配置 了銘箱1 8 ’三層構造之具有圖樣之銅箔(銅箔1 〇 ’鎳 合金11’銅層12),玻璃布含浸叠層體14,具有多 數之挖空部之含浸叠層體1 9,複數之玻璃布含浸疊層體 14 ’以及做爲金屬板之銅箔16上構成。 沖壓上模1 3之突起部之高度爲0 . 5mm,該側面 之坡度之傾斜角度乃以3 0度來製作.,模與銅箔之間夾入 厚度2 5 /zm之鋁箔一張做爲緩衝層而予以壓製。 含浸叠層體乃使用在玻璃布含浸了耐熱環氧樹脂之日 立化成工業(株)製者。 製作挖空相當於上述壓製上模13之突起部之部份之 含浸疊層體,而將相當於突起部之高度之份用做層構成* 本例之突起部高度0 . 5mm時,使用厚度0 . 1mm之 挖空之含浸叠層體五張,沒有挖空之含浸叠層體五張。 以上述之條件所製作之玻璃環氧基板乃供採取多個單 元之用,多數地形成同一配線及凹部,將它以前述之鹸性 餓刻劑而對搭載銅箔1 0施予蝕刻全面的予以去除。接著 以鎳選擇蝕刻液而蝕刻去除鎳層1 1 · 由上述形成厚度lmm之板備有深度0.5mm之凹 部,而可在包含凹部之表面層連續的形成配線•以通常之 方法設置焊錫抗蝕劑層’而在端子部電鍍了鎳5 //m,金 0 . 5 仁 m « 將半導體晶片1接著於該凹部’而以引線連接來連接 ,以液狀樹脂4來密封晶片及引線連接部’裝置焊錫球5 ---------*米------"*------Λ {讀先聞讀背面之注意事項再填寫本頁) 本紙張尺度逋用中國國家橾準(CNS)A4规格(210x297公釐)-20- 4 丨 9797 A7 B7五、發明説明(18) 之後切斷基板*使之成爲個片之半導體裝置。 依本例之製造方法即可獲得例如圖2或圖3所示,在 基板之背面再安裝了金屬板之構造,依本例之構造即由於 傾斜部之傾斜角度小,因此傾斜部變長,而封裝尺寸會變 大,惟不需要削面過程由而可能低成本化,又如圖3所示 ,具有收容之複數之晶片,該晶片間之配線也同時可能形 成之效果· 說明第3之例' 在本例之製造方法中,準備在厚度3 5 jum之銅箔( 載置箔)上以電鍍形成0 . 5jum之鎳層,又形成5em 之銅層之三層構造箔,此銅箔乃曰本電解(株)製者。 對於上述厚度5 之銅層,藉由通常之光致抗蝕劑 法形成抗蝕劑圖樣而施予蝕刻,蝕刻劑液乃須具有對鎳不 蝕刻對銅蝕刻之選擇性蝕刻,在印刷基板業常用之鹼性蝕 刻劑乃很適宜,厚度3 5 jt/m之載置箔即以抗蝕劑來保護 使之不會被蝕刻。 以圖9所示之構成,將此具有圖樣之銅箔,在溫度 180°C,壓力25kg/cm2加熱加壓二小時。 圖9所示,在於沖壓上模1 3與沖壓下模1 7之間, 由上方依序配置鋁箔1 8,三層構造之具有圖樣之銅箔( 銅箔10,鎳合金11,銅層12),複數之玻璃布含浸 疊積體1 4,1 9及做爲金屬板之銅板1 6 /之構成。 模之突起部之高度爲0 . 2 0mm,側面之坡度之傾 本纸張尺度適用中SS家揉準(CNS ) A4洗格(210X297公釐)-21 - 經濟部中央標準局員工消费合作社印製 A7 __B7__五、發明説明(19 ) 斜角度即以3 0度來製作,在模與銅箔之間夾入厚度 2 5 2之鋁箔1 8—張做爲緩衝層而施予壓製加工· 含浸叠層體即在玻璃布中含浸耐熱環氧樹脂之日立化 成工業(株)製者,使用厚度〇 . 1mm之含浸叠層體六 張,在第二張及第三張之含浸叠層體1 9挖空加工相當於 模突起部。又在基板之背面側配置了厚度0 . 4 Omm之 施予接著粗糙化處理之銅板而施予壓.製加工,壓製加工後 之總厚度即1.0mm。 依上述條件所製作之玻璃環氧基板乃做成可切成多數 個單元,多數地形成同一配線及凹部,將它以前述之鹼性 蝕刻劑來蝕刻載置銅箔而全面地予以去除。接著以鎳選擇 蝕刻液來蝕刻鎳層而去除鎳層。 依上述而得於形成在厚度1.0mm之板上,具有深 度0 . 2 0mm之凹部,而含有凹部之表面層連續的形成 配線。又以端銑刀裝置將此基板銑製到0.65mm深度 ,加工成可以裝置半導體晶片狀,以通常之方法設置焊錫 抗蝕劑層,而在端子部電鍍鎳5 //m,金0 . 5 jwm之厚 度。 在該凹部接著半導體晶片而以引線連接來做連接,以 液狀樹脂4來密封晶片及引線連接部,裝置焊錫球5之後 ,切斷分離成個片做成半導體裝置。 依本例之製造方法即可獲得例如圖4所示之構造,依 本構造時,即以一括壓製加工而可能做散熱板之組合’可 以提供可達成低成本’高可靠性’低廉’很容易使設計及 HI ^^^1 ^ur ^^^1 HI m In ^^^1 n^i 1^1 ^^^1 -. ^ . (诗先M讀背面之注意事項再填寫本頁) 本紙張尺A逍用中®國家橾率(CNS ) A4規格(210X297公釐)-22 - 經濟部中央標準局貝工消費合作社印«. A7 B7___五、發明説明(2〇 ) 製造方法之標準化之搭載半導體元件之半導體元件搭載用 基板及其製造方法,以及在半導體元件搭載用基板上實裝 了半導體元件之半導體裝置。 下面參照圖10〜圖16說明依本發明之半導體裝置 ,基板及製造方法之其他實施形態" 本實施形態之半導體裝置即在配線基板之一部份設置 凹部,而在此凹部裝置半導體晶片而成之半導體裝置’在 配線基板之包含凹部之配線基板表層部埋入有連續之配線 導體》 更具體的說明之,即,在具有高度不同之二個以上之 表層部之配線基板中,例如如圖1 0所示,在第1之表層 設置,與外部連接端子5連接之外部連接端子部,在第2 之表層部設匱與半導體晶片1連接之內連接端子部,第1 之表層部與第2表層部間有0.05mm以上之級階高度 差,在第1之表層部及第2之表層部及其中間部之表層埋 入了連續之配線導體而形成配線2之配線基板。 此配線基板乃由在銅等之金靥箔設置配線導體,而在 該金屣箔接著樹脂層之時同時地形成凹部之製造法而可實 現· 又實現它之方法有,疊合設有配線導體之金屬箔及含 浸樹脂之複數之玻璃布而予以壓縮,形成凹部之配線基板 之製造方法中,預先去除對應於凹部之玻璃布之一部份之 後予以壓縮而可製造。 又本實施形態之其他之態樣乃,在備有凹部之配線基 ---------.农-- -, -\ _ (請先聞讀背面之注意事項再填寫本頁) 訂 本紙張尺度適用中國國家橾準(CNS ) A4规格(210X297公釐)· 23 - i 419797 經濟部中夬標準局負工消費合作社印裝 A7 B7五、發明説明(21〉 板中,如圖1 1所示,在引線連接部及晶片接著部之二級 階地形成凹部之配線基板及其製造方法’在此形成二級階 之凹部之方法中第1級階乃使用備有凸部之沖壓模而壓縮 含浸(樹脂)叠層體而形成凹部,而第二級階即以削面加 工而可形成。 * 在一張之配線基板設置多數之凹部,而在各凹部裝置 晶片,以密封樹脂’裝置焊錫球後,.施予切斷分離由而可 以製造半導體裝置。 圖1 0〜1 3即本實施形態之典型的半導體裝置之剖 面圖- 標號1爲半導體晶片,2爲配線,3爲引線,4爲密 封用樹脂,5爲外部端子電極,6爲表面絕緣層* 7爲絕 緣基板,8爲金屬板,9爲絕緣板。 如圖1 1所示,凹部之一部份乃貫穿孔亦可以,此半 導體裝置乃如圖1 2,1 3所示,背面即得於金屬板8 ’ 絕緣板9來支撐。 以圖1 4說明依本實施形態之半導體裝置之製造方法 之一例。 準備在厚度3 5 之銅箔(搭載箔曰本電解(株) 製)10上,以電鍍形成0 _ 5jum之鎳層11,又形成 5 jum之三層構造箔。以通常之光致抗蝕劑法形成抗蝕劑 圖樣施予蝕刻形成配線導體1 2。 蝕刻液乃須要具有不能蝕刻鎳而可蝕刻銅之選擇性, 在印刷基板業界廣用之鹸性蝕刻液即很合宣’厚度3 5 ---------.衣------訂------ΛΊ -- .Λ - / {請先W讀背面之注意事項再填寫本頁) 本紙張尺度逍用中國园家揉準(CNS ) A4规格(210X297公釐)-24 - 經濟部中央標隼局工消費合作杜印製 4 1 9 7 q 7 ' A7 _ B7_五、發明説明(22 ) 之載置箔即以抗蝕劑保護使之不會被蝕刻。 以圖1 4所示之構成,對於此具有圖樣(配線導體 1 2 )之銅箔在溫度1 8 0°C壓力2 5 k g/cm2加熱加 壓二小時。 模1 3之突起部爲0 . 1 5mm,突起部之坡度即以 9 0度來製作. 在模1 3,1 7與銅箔1 0,1.6之間插入厚度50 之鐵氟龍片(杜邦製)(不圖示)而加以壓製。含浸 叠層體(不控空)1 4即使用對玻璃布含浸耐熱環氧樹脂 之曰立化成(株)製* 以此條件所製作之玻璃環氧基板乃採用可切取多數個 單元之方式,多數地形成有同一配線及凹部*以上述之鹸 性蝕刻液而對載匱箔施以蝕刻全面地予以去除。 接著以鎳選擇蝕刻液而對鎳層施予蝕刻去除。 以上述之條件在厚度1mm之基板備有0 . 1 5mm 之凹部,而在包含凹部之表面層連續地形成配線。對於此 基板又以銑刀裝置而銑製0.5mm之深度,加工成可裝 置半導體晶片1狀後,切斷成個片,將半導體晶片接著於 凹部,以引線連接方式連接,以液狀樹脂密封半導體晶片 1及引線連接部製成半導體裝置。 參照圖15說明依本實施形態之製造方法之其他例。 將如上述圖1 4之例同樣之具有圖樣之銅箔1 〇 ·使 用圖15所示之構造,以溫度180乞·壓力25kg/ cm2加熱加壓二小時。本例中模13之突起部爲0.5 ‘ ---------衣-- (婧先W1*背面之注意事項再填寫本頁) -訂 本紙張尺度適用中國困家標準(CNS } A4规《格(210X297公釐)-25- 鲤濟部中央橾準局貝工消费合作社印製 4^9797 a? __Β7__五、發明説明(23 ) mm,突起部之坡度爲4 5度來製作。 在模13,17與銅箔10,16之間插入厚度50 //m之鐵氟龍片(杜邦製)做爲緩衝層而施予壓製· 含浸(樹脂)叠層體1 4即使用在玻璃布含浸耐熱環 氧樹脂之日立化成(株)製。製作了挖空相當於模突起部 之部份之含浸叠層體15,而將相當於突起部之高度份做 爲層構成。 如本例,突起部高度0 · 5mm時即使用厚度0 . 1 m m之挖空含浸叠層體1 5五張,及沒有挖空之含浸叠層 體1 4五張。 依此條件所製作之玻璃環氧樹脂基板係供切取多數個 單元者,形成有多數之同一配線及凹部。將它以前述之鹸 性蝕刻液全面地去除載置銅箔*接著以鎳選擇蝕刻液而蝕 刻去除鎳層 以上述條件在厚度lmm之基板工具有0 . 5 mm深 之凹部之包含該凹部之表面層連續的形成配線,於凹部接 著半導體晶片1 ,以引線連接方式連接,以液狀樹脂密封 半導體晶片1及引線連接部,裝置焊錫球5之後,切斷基 板做成個片之半導體裝置。 參照圖16說明依本實施形態之製造方法之其他例子 〇 將上述圖1 4之例之同樣之具有圖樣之銅箔1 0,以 圖1 6所示之構成,以溫度1 80°C,壓力25kg/ c in 2加熱加壓二小時。 ---------农-- (請先聞讀背面之注意Ϋ項再填寫本頁) 訂 本紙張尺度逍用中國國家揉準(CNS ) A4規格(210X297公釐)· 26 - A7 B7 419797 五、發明说明(24 ) 模13之突起部爲0·5mm,突起部之坡度爲45 度來製作。 n ^^1 ί i^v ^^1 HI I m ^^^1 ., ·-,- , (讀先《讀背面之注意事項再填寫本頁) 模13,17與銅箔10,16之間插入厚度50 //m之鐵氟龍片(杜邦製)(不圖示)而施予壓製,含浸 疊層體乃使用,在玻璃布含浸耐熱環氧樹脂之曰立化成( 株)製。 對於厚度0 · 5mm之玻璃環氧.基板1 8 >挖空相當 於模突起部之部份。此時將厚度0 · 1 mm之不挖空之含 浸疊層體1 4置於一張玻璃環氧基板1 8 -與具有圖樣之 銅箔1 0之間,在玻璃環氧基板1 8 /之下部即使用三張 含浸叠層體1 4。 依此種條件所製作之玻璃環氧基板係採用可切成多數 之個片單元,多數的形成同一配線及凹部》將它以上述之 鹼性蝕刻液而對載置銅箔施予蝕刻而全面地予以去除。接 著以鎳選擇蝕刻液來去除鎳層。 經濟部中央標準局貝工消费合作社印装 以上述之條件,在厚度lmm之板,備有0.5mm 之深度,包含凹部之表面層連續地形成了配線,在其凹部 接著半導體晶片1,以引線連接方式連接,以液狀樹脂來 密封半導體晶片1及引線連接部,裝置焊錫球之後,切斷 基板製作爲個片之半導體裝置。 依以上之本實施形態時,即得以簡單的構造且以簡單 的製程,以低成本即可製造半導體裝置。 下面參照圖1 7〜圖2 0說明依本發明之半導體裝置 ,基板及製造方法之其他之實施形態。 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐)-27 - 經濟部中央標準局員工消費合作社印装 * 419797 A/ ________B7_五、發明説明(25〉 依本實施形態之半導體裝置乃,如圖1 7所示*具備 有:半導體晶片1,及具備用於搭載半導體晶圓1用之半 導體元件收容部之絕緣基板7,及電氣的連接於形成於絕 緣基板7之表面之半導體晶片1,同時實裝時與外部連接 之外部電極5,以密封收容半導體晶片1之半導體收容部 之密封樹脂4,再具備在於半導體晶片1連接用之引線3 與外部電極5之間*設置級階高度差用於連接該級階高 度差間之沿著傾斜部所配置之配線2。又圖7之標號6乃 表示形成於絕緣基板7之表面之表面絕緣層。 本實施形態之半導體裝置乃例如以下述之圖2 0之製 造方法所製造之具有凹部之半導體元件搭載用基板上,再 對於該凹面之底面施予削面加工來形成用於搭載半導體晶 片1之半導體元件收容部。 又基板之凹部之壁面傾斜角度即使之較4 5度緩和之 角度《此傾斜角度乃由用於沖壓成型之模之突起部之傾斜 角度,用於轉印之銅箔(載置層)1 0之剛性,沖壓壓力 之平衡等所決定者。 本實施形態之半導體裝置並不侷限於圖1 7之例》例 如如圖1 8所示,不在凹部壁面而是在於凹部之底面設置 配線2同時在其下方夾著絕緣層而設置了接地層18 0 1 之多層構造亦可以,又具備連接接地層1 8 0 1與外部電 極5之層間連接部1 8 0 2之構成亦可以。 本實施形態中之接地層1 8 0 1之形成方法及層間連 接之方法並不特別限定•例如將做爲接地層1 8 0 1之銅 本紙i尺度適用中圃國家搮準(CNS > A4规格(210X297公釐)~~.98 - ---------..衣------訂-------t,Y- - * ·-. . <請先Μ讀背面之注意事項再填寫本頁) 419797 A7 B7 經濟部中央標準局貝工消費合作杜印製 五、發明説明(26 ) 箔或銅圖樣,與形成之配線基板對向’而在其間夾入含浸 樹脂疊層體等之絕緣接著片’再疊層含浸樹脂疊層體施予 壓製形成多層構造之基板。 參照圖1 9,圖2 0說明依本實施形態之半導體元件 搭載用基板之製造方法之例子· 本實施形態之製造方法中與上述二個實施形態之製造 方法其基本的構成乃同樣。下面即主要對於不同部份加以 說明,對於同樣部份即省略其說明* 又在本例之製造方法中乃與上述實施形態一樣,該形 成配線2用之轉印用金饜箔而使用由厚度2 5 之銅箔 (載置層)1 0,及成爲配線層之銅層1 2 *以及載置層 1〇與銅層12之間之遮屏層11所構成之三層構造箔, 又在圖中將11,12之二層合併表示。 本例中即如圖1 9所示將此具有圖樣之銅箔1 0〜 12,以溫度190 °C之熱盤1901及頂板1902而 挾持,以壓力3 0 k g/cm2加熱加壓•在此例中沖壓上 模1 3與沖壓下模之間,由圖之上方依序配匱了一張鋁箔 1 8,三層構造之具有圖樣之銅箔1 0〜1 2,複數張之 含浸樹脂疊層體1905,1906以及厚度之 銅箱1 6。 沖壓上模1 3之突起部之剖面乃呈台形形狀,其側面 之坡度角度係3 0度》含浸樹脂疊層體1 9 0 6之對應於 沖壓上模1 3之部份乃被開窗,配置於由上面之第2序張 (請先《讀背面之注意事項再填寫本頁) 本紙張尺度適用中國國家標準(CNS ) A4规格·( 210X297公漦)-29 - 419797 經濟部中央標準局貝工消费合作社印— A7 B7_五、發明説明(27 ) 又本實施形態之製造方法並不侷限於圖19之例子, 例如如圖2 0之構成亦可以。 即以溫度1 9 OeC之熱盤1 9 0 1及頂板1 9 0 2來 挾持具有圖樣之銅箔1 ◦〜12,以壓力2〇kg/cm 來加熱加壓。本例中即在突起部側面之坡度角度爲4 5度 之沖壓上模1 3與沖壓下模1 7之間,由上面依序配置三 張包括鋁箔18,厚度35;im之銅.箔1 0之三層構造箔 10〜12,一張之開窗之含浸樹脂叠層體1906,複 數張之含浸樹脂疊層體1 9 0 5以及厚度5 之銅箔 16° 依上述圖2 0之製造方法時可製造如圖1 7所示之備 有緩和之傾斜角度之壁面之凹部之半導體裝置。 本發明之半導體元件搭載用基板乃,於具備有圖2 1 (a),圖22(b)所示之凹部之半導體元件搭載用基 板中,備有沿著該基板表面及上述凹部之基板壁面所配置 之配線,上述配線乃由:連接於配置於上述凹部所開口側 之該基板表面之外部連接端子之外部連接端子部,及與上 述搭載之半導體元件連接之內連接端子部,及上述外部連 接端子部與上述內連接端子部間之配線部而構成,上述配 線乃埋入於上述基板表面及上述凹部之基板壁面,上述內 連接端子部乃據位於上述凹部內之位置者。‘ 在圖21 (a) *圖22 (a)中,標號7爲絕緣基 板,2爲埋入於基板表面及上述凹部之基板壁面所彤成之 配線。在圖2 1 ( a )之半導體元件搭載用基板上在凹部 {讀先《讀背面之注意事項再4寫本育) i衣. 訂 本纸張尺度適用中國固家標率{ CNS } A4規格(210X297公釐)-30- 經濟部中央操準局肩工消費合作社印装 419797 A7 _B7_五、發明説明(28 ) 之中央部形成有貫穿孔. 在圖21 (b)揭示使用此基板之半導體裝置,在圖 2 1 (b)中,標號1即接著於基板之狀態地搭載之半導 體元件,4係密封樹脂,5係外部連接端子。在基板凹部 形成有配線之內連接端子部,以樹脂來密封•此基板即以 前述之方法而可製造。 圖2 2 ( a )之半導體元件搭載用基板上凹部乃形成 於兩端之構造,以可切成多數個個體之單元來製造基板, 由凹部來切斷來製造出個體單元,在圖22 (b)掲示使 用此基板之半導體裝置,圖22(b)中,標號1乃以接 著於基板之狀態而搭載之半導體元件,4係密封樹脂,5 係外部連接端子在基板兩端之凹部形成有配線之內連接端 子部,而以樹脂密封。 依本發明半導體元件搭載用基板得於可切成多數個體 單元地,即以一括壓製製作多數個也。 圖2 3表示製造可切成多數個個體單元之半導體元件 搭載用基板之過程之壓製構成之剖面圖。標號1 3乃形成 多數之凹模13 a之沖壓上模,17乃沖壓下模,10乃 形成多數組之配線之銅箔,14乃含浸樹脂叠層體。 以圖2 3之壓製構成而在上模•下模之間加熱加壓即 由縱橫均等配置之多數之凸模1 3 a而可一括形成多數之 凹部,同時配線1 2乃由基板表面之外部連接端子部而介 經凹部之壁面而連續地埋入形成於凹部內之內連接端子部 。此時基板表面之外部連接端子部乃*由於有形成相鄰接 ---------,衣------訂------Λ 1 -.· - . ... (請先閏讀背面之注意事項再填寫本頁) 本紙乐尺度適用中國國家揉準(CNS > Α4規格(210X297公釐)· 31 ·
419T9T 娌濟部中央楯隼局兵工消费合作社印裂 A7 B7_五、發明説明(29 ) 之凹部所以均等地受張力。而將壓製前之平面之位置保持 於高精度(尺寸之高安定性)* 即由本發明之半導體元件搭載基板之可切成•多數個個 體單元之設計而不會發生外部連接端子部之位置之偏倚地 可實施凹部形成,又爲了最外側之基板’在上模1 3之緣 外周設置暫設凸模1 3 b (暫置突起部)而不但可防止最 外側基板之外部連接端子部之位置之偏倚,也可防止含浸 樹脂叠層體之樹脂之流出。又切成多數之個體單元係以7 X 7以上爲宜》 如上所述本發明乃由:包括準備備有縱横均等配置之 多數之突起部之沖壓上模,與上述突起部對準(定位)位 置之規定之配線,及由載置金屬箔所成之配線構體,含浸 樹脂疊層體,沖壓下模之壓製構成之製程,而以沖壓上模 沖壓下模之間實施壓製加工,由而在被壓製之含浸樹脂叠 層體而成之基板上一括形成多數之凹部,同時將上述規定 之配線埋入於上述基板表面及上述之凹部之基板壁面之製 程,去除上述載置金屬箔之製程,搭載半導體元件之製程 ,以樹脂密封凹部之製程,形成外部連接端子之製程,以 及將它切斷分離爲個體單元之製程而可製造半導體裝置也 (請先閲讀背面之注意事項再填寫本頁) 圖式之簡單說明 第1圖係表示本發明之半導體封裝之剖面構成之一例 之剖面圖。 本紙張尺度逋用中國國家樣準(CNS > A4规格(210X297公釐)· 32 - 經濟部中央標準局貝工消费合作社印製 I 419797 A7 B7五、發明説明(3〇 ) 第2圖係表示本發明之半導體封裝之剖面構成之他例 之剖面圖。 第3圖係表示搭載複數之半導體元件之本發明之半導 體封裝之剖面構造例之剖面圖" 第4圖係表示使之具備高散熱機能之本發明之半導體 封裝之剖面構造例之剖面圖。 第5圖係表示全部由金屬所成之抽拉可能之配線構成 體之剖面構造例之剖面圖。 第6圖係表示全部由金屬所成之抽拉可能之配線構成 體之其他剖面構造例之剖面圖。 第7圖係表示壓製成型時之材料構成,將不織布含浸 樹脂疊層體用於構成中之例子之說明圖。 第8圖係表示壓製成型時之材料構成,使用將含浸樹 脂疊層體挖空之構成時之構成之說明圖* 第9圖係表示爲了高散熱構造用之壓製成型時之材料 構成,將金屬板使用於背面之例子* 第10圖係表示本發明之半導體裝置之他例之剖面圖 〇 第11圖係表示本發明之半導體裝置之他例之剖面圖 〇 第12圖係表示本發明之半導體裝置之他例之剖面圖 第13圖係表示本發明之半導體裝置之他例之剖面圖 —^ϋ ml ^^^1 ί. n^i -' · (請先《讀背面之注意i項再填寫本頁) 本紙張尺度適用中國國家標率(CNS ) A45SJ4· ( 210X297公釐)· 33 - .41 經濟部中央橾準局貝工消费合作社印製 A7 _B7_五、發明説明(31 ) 第1 4圖係表示本發明之半導體裝置之製造法(壓製 成型)之他例之剖面圖· 第1 5圖係表示本發明之半導體裝置之製造法(壓製 成型)之他例之剖面圖。 第1 6圖係表示本發明之半導體裝置之製造法(壓製 成型)之他例之剖面圖。 第1 7圖係表示本發明之半導體裝置之他例之剖面圖 第1 8圖係表示本發明之半導體裝置之他例之剖面圖 〇 第1 9圖係表示本發明之半導體裝置之製造法(壓製 成型)之他例之剖面圖° 第2 0圖係表示本發明之半導體裝置之製造法(壓製 成型)之他例之剖面圖。 第2 1 ( a )圖係表示本發明之半導體元件搭載用基 板之他例之剖面圖。 第21(b)圖係表示本發明之半導體裝置之他例之 剖面圖· 第2 2 ( a )圖係表示本發明之半導體元件搭載用基 板之他例之剖面圖。 第2 2 ( b )圖係表示本發明之半導體裝置之他例之 剖面圖· 第2 3圖係表示本發明之半導體裝置之製造法(壓製 成型)之剖面圖。 (請先W讀背面之注意事項再填寫本頁 訂· 本紙張尺度適用中困困家標丰(CNS > A4規格(2丨0X297公藿)-34-

Claims (1)

  1. 經濟部中央標準局更工消费合作社印製 AS B8 C8 ____ D8六、申請專利範圍 1 · 一種半導體裝置,主要係在半導體元件搭載用基 板上形成凹部,而在該凹部搭載半導镫元件之後,以密封 用樹脂而予以密封之半導體裝置中,其特徵爲 上述半導體元件搭載用基板乃備有沿著該基板面面及 上述凹部之基板壁面所配置之配線, 上述配線乃由:連接於設置於上述凹部所開口側之該 基板表面之外部連接端子之外部連接端子部,及與上述搭 載之半導體元件連接之內連接端子部,及上述外部連接端 子部與上述內連接端子部之間之配線部,而構成, 上述配線係埋入於上述基板表面及上述凹部之基板壁 面, 上述內連接端子部乃據位於上述凹部內之位置者。 2 .如申請專利範圍第1項所述之半導體裝置,其中 上述凹部之基板壁面係備有延伸於該凹部之底面方向 之預先規定之傾斜角度範圍內之坡度者。 3 .如申請專利範圍第2項所述之半導體裝置,其中 上述凹部之基板壁面之傾斜角度在5〜4 0度之範圍 者。 4 .如申請專利範圍第2項所述之半導體裝置•其中 上述凹部之基板壁面之傾斜構造之高度G與其水平距 離之比L/G乃在1.5CL/GC10之範圍內者。 5 .如申請專利範圍第1項所述之半導體裝置,其中 上述凹部係由凸型之沖壓成形所構成者。 6 .如申請專利範圍第1項所述之半導體裝置,其中 請 先: « , 讀. 背― 面· 之 項 再 填 頁 订 本紙張尺度逍用中國國家揉準(CNS >A4规格(210x297公釐)-35- A19T97 A8B8C8DB 經濟部中央揉牟局負工消費合作社印裝 六、申請專利範園 上述凹部乃被複數階級狀地形成者* 7 .如申請專利範圍第5項所述之半導體裝置,其中 在上述凹部上設有將該凹部再予以削面加工所形成之 收容半導體元件用之半導體元件收容部者· 8 .如申請專利範圍第7項所述之半導體裝置,其中 上述削面加工而成之半導體元件收容部之深度乃大於 欲搭載之半導體元件之厚度者。 9 .如申請專利範圍第1項所述之半導體裝置•其中 據位於該基板表面位置之上述外部連接端子部與上述 凹部內之上述內連接端子部之級階差爲0.5mm以上。 1 0 .如申請專利範圍第1項所述之半導體裝置,其 中 將搭載於上述凹部之半導體元件之端子與上述內連接 端子部乃以引線連接地予以連接者。 1 1 .如申請專利範圍第1項所述之半導體裝置,其 中 將半導體元件之端子以背面饋送方式地直接連接於上 述內連接端子部者。 1 2 .如申請專利範圍第1項所述之半導體裝置,其 中 上述配線係設置於上述凹部之除了角部之壁面領域者 〇 1 3 .如申請專利範圍第1項所述之半導體裝置*其 中 本纸SUUt逋用t國»家椹準(CNS)A4规格(210x297公釐)"""-36- ,--J—----k.ί <請先《讀背面之注意事項*填寫本頁) 訂 419了97 A8 BS C8 D8 經濟部中央標準局負工消費合作社印* 夂、申請專利範園 上述凹部乃形成於該基板之主平面之略中心位置, 於上述凹部內,對於該半導體元件搭載用基板之厚度 方向之略中央地搭載半導髖元件者。 1 4 .如申請專利範圍第1項所述之半導體裝置,其 中 在上述凹部內,對於該基板之厚度方向由中央以該基 板之厚度3 0%偏倚以內地搭載半導體元件者。 1 5 ·如申請專利範圍第1項所述之半導體裝置,其 中 上述凹部乃於其底面領域備有可以收容之複數之元件 之寬度,'同時形成有對上述複數之元件之配線,而在該凹 部搭載複數之半導體元件及受動元件者。 16 .如申請專利範圍第1項所述之半導體裝置,其 中 上述配線乃利用全部由金麕所構成之可能抽拉加工之 配線構成體所形成者, 上述可能抽拉加工之配線構成體係至少含有備有構成 上述配線之第1之金屬層,及擔任該載置層之機能之第2 之金屬層之多層構造者。 1 7 . —種半導體元件搭載用基板,主要乃具備有用 於搭載半導體元件之凹部之半辫體元件搭載用基板中,其 特徵爲: 備有沿著該基板表面及上述凹部之基板壁面所配置之 配線* ---------^ — _ - * , I 一-', * {請先閲讀背面之注意事項再樣寫本頁) 訂 本紙乐尺度速用中國國家椹準(CNS ) A4优格(210X297公釐)-37- 41979 (
    經濟部中央標车局貝工消费合作社印装 六、申請專利範園 上述配線乃由:連接於設置於上述凹部所開口側之該 基板表面之外部連接端子之外部連接端子部,及與上述搭 載之半導體元件連接之內連接端子部,及上述外部連接端 子部與上述內連接端子部間之配線部,而構成 上述配線係埋入於上述基板表面及上述凹部之基板壁 面, 上述內連接端子部乃據位於上述凹部內之位置者。 1 8 .如申請專利範圍第1 7項所述之半導體元件搭 載用基板,其中 上述凹部之深度乃較所搭載之半導體元件之厚度小, 而將上述凹部之底面,對於該半導體元件搭載用基板 之厚度方向,由中央實施該搭載之該半導體元件之厚度之 0.5乃至2.5倍之範圍內之深度地施予削面加工者· 19.如申請專利範圍第17項所述之半導體元件搭 載用基板,其中 上述凹部之深度乃較欲搭載之半導體元件之厚度爲小 ,且對該凹部施予削面加工者, 該至少霣出之削面加工之底面爲由不織布所成之預含 浸樹脂之叠層體予以硬化而成之樹脂層者》 2 0 .如申請專利範圍第1 7項所述之半導體元件搭 載用基板,其中 上述凹部乃對於被形成之樹脂層之背面接著金屬板而 構成者。 21.—種半導體元件搭載用基板之製造方法, ---------^-- ' · . . * <請先W讀背面之注意事項再填寫本页) 訂 本紙诛尺度適用t國國家#準(CNS ) A4规格(210X297公釐)-38 · 經濟部中央標率局負工消費合作社印策 1 419797 as B8_S六、申請專利範圍 將且有,至少含有第1之金屬層及擔任該載置層之機 能之第2金屬層之多層構造之全部由金屬所構成之可能抽 拉加工之配線構成體,壓接於樹脂基板予以接著,同時在 該樹脂基板上,形成備有預先規定之傾斜角度範圍內之坡 度之壁面之凹部,而藉留存上述第1之金屜層去除其他之 金饜層,以資沿著該基板表面到上述凹部之基板壁面地配 置形成, 由:連接於設置於上述凹部所開口側之該基板表面之 外部連接端子之外部連接端子部,及與上述搭載之半導體 元件連接之內部連接端子部,及上述外部連接端子部與上 述內連接部端子間之配線部而構成*埋入於上述基板表面 及上述凹部之基板壁面之配線,爲其特徵· 2 2 .如申請專利範圍第2 1項所述之半導體搭載用 基板之製造方法,其中 上述可能抽拉加工之配線構成體之破斷延伸率爲2% 以上。 2 3 .如申請專利範圍第2 1項所述之半導體搭載用 基板之製造方法•其中 上述構成可能抽拉加工之配線構成體之上述載置層之 厚度乃在於0 . 010mm〜〇 . 050mm之範圍。 2 4 .如申請專利範圍第2 1項所述之半導體搭載用 基板之製造方法,其中 上述凹部之基板壁面之傾斜角範圍爲5度以上4 0度 以下, 表紙張XJt逍用中國面家揉準(CNS ) A4洗格(210X297公釐)-39- ^^^1 m tmj J ^^^1 11· 1^1 m- ^^^1 m·· <請先閱讀背面之注$項再填寫本頁) 9 A8 B8 C8 D8 經濟部中央揉率局貝工消费合作社印製 六、申請專利範圍 上述凹部之深度乃其所收容之半導體元件之至少3 0 %以上· 2 5 . —種半導體元件搭載用基板之製造方法, 主要係,具備有用於搭載半導體元件用之凹部及配線 之半導體元件搭載用基板之製造方法,其特徵爲: 令上述凹部之深度小於所搭載之半導體元件之厚度, 且在該底面施予削面加工, 而在於上述削面加工時,切斷上述對搭載之半導體元 件之配線之一部份,使該配線之端部到達由削面加工所形 成之凹部之端緣部者。 2 6 .如申請專利範圍第2 1項所述之半導體元件搭 載用基板之製造方法, 其中形成上述凹部之後,對於該凹部之底面施予削面 加工,在上述削面加工之後,實施上述其他金屬層之去除 者。 2 7 .如申請專利範圍第1 7項所述之半導體元件搭 載用基板•其中上述凹部之基板壁面係具備有延伸於該凹 部之底面方向之預先規定之傾斜角度範圍內之坡度者。 2 8 .如申請專利範園第2 7項所述之半導體元件搭 載用基板,其中 上述凹部基板壁面之傾斜角度爲5〜4 0度之範圍內 〇 2 9 .如申請專利範圍第2 7項所述之半導體元件搭 載用基板*其中 ^:1:!~丨,—^II <請先閱讀背面之注$項再填寫本頁) 订 本纸張尺度逋用中《«家揉準(CNS > A4规格(21 〇 X 297公釐)-40 - ^19797 經濟部中央標隼局属工消费合作社印31 A8 B8 C8 D8六、申請專利範固 上述凹部之基板壁面之傾斜構造之高度G與其水平距 離之比L/G爲1.5<L/G<10之範圍內。 3 0 ·如申請專利範圍第1 7項所述之半導體元件搭 載用基板,其中 上述凹部乃藉由凸形之沖壓成形所構成》 3 1 ·如申請專利範圍第1 7項所述之半導體元件搭 載用基板,其中 上述凹部乃複數級階地形成。 3 2 .如申請專利範圍第3 0項所述之半導體元件搭 載用基板,其中 上述凹部上,設有將該凹部再施予削面加工所形成之 爲收容半導體元件用之半導體元件收容部者· 3 3 .如申請專利範圍第3 2項所述之半導體元件搭 載用基板,其中 上述經削面加工而成之半導體元件收容部之深度乃, 較欲搭載之半導體元件之厚度大者。 3 4 .如申請專利範圍第1 7項所述之半導體元件搭 載用基k *其中 該基板表面部之上述外部連揆..端子部與上述凹部內之 ! .1-; : _ 1 上述內連接端子部之級階高度差. 0 5 m m以上。 ί Ί 3 5 . —種半導體裝置之製_,具備: ? _ · 準備;具有縱*橫均等地配多數之突起部之沖壓 用上模,與上述突起部定位*由規定之配線及置搭金屬箔 所成之配線構成體,包含預浸叠積·沖壓下模之沖壓構成 {請先W讀背面之注意事項再#寫本貰) 本紙張尺度逋用中國两家揉準(CNS ) A4规格(2丨OXM7公釐)-41 - I 419797 A8 B8 C8 D8 經濟部中失標準局貝工消費合作社印装 六、申請專利範園 之製程, 在沖壓上模與沖壓下模之間實施沖製,對於經壓製而 成之預浸叠積體之基板上,一括形成多數之凹部,同時將 上述規定之配線埋入於上述基板表面及上述凹部之基板壁 面之製程, 去除上述載置金屬箔之製程 搭載半導體元件之製程, 實施凹部之樹脂基板之製程, 形成外部連接端子之製程Pij • "!νΐΐ| 斷分離成爲個片之製程者。 \ 3 6 ·如申請專利範圍第項所述之半導體裝置之 製造 >法,其中 » 祌壓上模之周緣形成暫置突起部者。 3 7 · —種半導體元件搭載用基板,主要乃具備有凹 部之半導體元件搭載用基板中,其特徵爲, 備有,沿著該基板表面及上述凹部之基板壁面所配置 之配線, 上述配線乃由:連接於設於上述凹部所開口側之該基 板表面之外部連接端子之外部連接端子部,及與上述搭載 之半導體元件連接之內連接端子部以及上述外部連接端子 部與上述內連接端子間之配線所而構成, 上述配線乃埋入於上述基板表面及上述凹部之基板壁 面, — 上述內連接端子部內據位於上述凹部內者。 n n^i- ί- In (請先閲讀背面之注意事項再填寫本K > 本纸張尺度逍用中國國家標準(CNS ) A4規格(2丨Ο X W7公釐)-42 ·
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US6268648B1 (en) 2001-07-31
KR20010020324A (ko) 2001-03-15
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CN1253662A (zh) 2000-05-17
AU7082798A (en) 1998-11-24
KR100553281B1 (ko) 2006-02-22
HK1027215A1 (en) 2001-01-05
WO1998049726A1 (fr) 1998-11-05
EP0980096A4 (en) 2005-03-09
JP3314939B2 (ja) 2002-08-19
CN100370602C (zh) 2008-02-20

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