TW380360B - Attaching heat sinks directly to flip chip and ceramic chip carriers - Google Patents
Attaching heat sinks directly to flip chip and ceramic chip carriers Download PDFInfo
- Publication number
- TW380360B TW380360B TW086100567A TW86100567A TW380360B TW 380360 B TW380360 B TW 380360B TW 086100567 A TW086100567 A TW 086100567A TW 86100567 A TW86100567 A TW 86100567A TW 380360 B TW380360 B TW 380360B
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- Prior art keywords
- adhesive
- wiring
- heat sink
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- substrate
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture 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
- H01L21/48—Manufacture 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
-
- 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
- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L24/31—Structure, shape, material or disposition of the layer connectors after the connecting process
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture 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
- H01L21/50—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
- H01L21/56—Encapsulations, e.g. encapsulation layers, coatings
- H01L21/563—Encapsulation of active face of flip-chip device, e.g. underfilling or underencapsulation of flip-chip, encapsulation preform on chip or mounting substrate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/367—Cooling facilitated by shape of device
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/42—Fillings or auxiliary members in containers or encapsulations selected or arranged to facilitate heating or cooling
- H01L23/433—Auxiliary members in containers characterised by their shape, e.g. pistons
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
- H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
- H01L2224/161—Disposition
- H01L2224/16151—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/16221—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/16225—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
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- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
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- H01L2224/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L2224/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
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- H01L2224/29101—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof the principal constituent melting at a temperature of less than 400°C
- H01L2224/29111—Tin [Sn] as principal constituent
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L2224/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
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- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L2224/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
- H01L2224/321—Disposition
- H01L2224/32151—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/32221—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/32225—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/151—Die mounting substrate
- H01L2924/156—Material
- H01L2924/15786—Material with a principal constituent of the material being a non metallic, non metalloid inorganic material
- H01L2924/15787—Ceramics, e.g. crystalline carbides, nitrides or oxides
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/161—Cap
- H01L2924/1615—Shape
- H01L2924/16152—Cap comprising a cavity for hosting the device, e.g. U-shaped cap
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/161—Cap
- H01L2924/1615—Shape
- H01L2924/16195—Flat cap [not enclosing an internal cavity]
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/181—Encapsulation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/30—Technical effects
- H01L2924/301—Electrical effects
- H01L2924/3025—Electromagnetic shielding
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Description
五__ 煩請委員明示名年^月^-日所抵之 經濟部中央標準局員工消費合作社印製 修正本有無變更實質内容是否准予絛JE.e 第86100567號專利申請案 中文說明書修正頁(狀年7月)發明説明(12) 402 J型引線 404基底 406晶片 408基底下層 410接著劑 412導線接合線 414導線接合墊片 416導線接合墊片 418導線層上墊片 420焊接點 422電路板 424鋁質護底板 426接著劑 428有機電路板 430介電 440散熱器 442基質陶瓷表面 444接著劑 450接腳格柵陣列 452散熱器 4 6 0倒接式晶片 462可撓式電路板 464架構 466接著劑
468散熱器 470接著劑 472填充材料‘ 474電路板表面 500可撓式電路板 502磚型散熱器 504接著劑 506.導線結合晶片 5.07 窗口 508接著劑 520可撓式電路板 522基座 524外露模組墊片 526觸點墊片 528電路板表面 540散熱器 542導熱性接著劑 544到接式晶片 546倒接式晶片 568環氧樹脂 .570焊接點 600外殼 602垂直電路板 603垂直電路板 604水平主機板 -15- (請先閲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規格(210X297公釐) 經濟部中央標準局員工消費合作社印製 A7 B7 五、發明説明(丨) 發明領域 本發月疋有關於電子元組件的製造,以及將组件裝配至 私2化的基處以形成電路板,並且將電路板與電源供應器 ’、· 5· γ k i、數種資料處理系統。更確切地説,本發.明與連 接至子組件及組成結構之散熱器的技藝關係最密切。 接下來的發明背景爲了方便那些熟悉該項技藝者,並且 加入所引用之參考文獻。以下不是主張足夠接受檢驗的搜 哥已經元成了,或者是沒有其他更適合的技藝存在,或是 下面任何所引述之文獻爲類似的或是先前的技藝。 發明背景 在氣.作彼此相連接之結構時,許多種類的元件被接附到 電路卡之上,而卡上的配線層與元件會產生電阻熱。此 外,主動元件在切換時也會有熱的產生。這樣的熱會將元 件的溫度升高至系統周圍空氣溫度之上。大多數的電子元 件均有一可承受之最高溫度値,高過此溫度它們便會失去 功能,而主動元件的使用壽命一般與其溫度升高的倍數相 關(通常是兩倍)。所以’使得電子元件僅於滿足實際運作 需要上儘量冷卻是其優點。, ’ 在大多數的應用中,元件所產生的熱多半是藉由熱通道 經元件端子進入電路板基質(最常見的是以玻璃纖維填充之 環氧樹脂)以及經由卡的配線層傳出。卡可藉由四周空氣的 對流散熱,並且經輕射將熱傳至包含卡的外殼,還可經由 卡的連接器及支持器傳至其他板子或其外殼。另外,所產 生的一些熱通常會經由元件背面藉對流散至周圍空氣中, -4 - 本紙罹尺度適用中國國家標準(CNS ) A4規格(210X297公釐) (請先閱讀背面之注意事項再填寫本頁) -装- 訂 第86100567號專利申請案 中文說明書修正頁(88年7月) A7 B7
發明説明(13) 606 CPU模组 628倒接式晶片 607 RAM模組 630矽接著劑 608 ROM模组 640散熱器 609 I/O模組 642倒接式晶片 610匯流排 644可撓性環氧樹脂 612電源供應器 660 CCGA 模組 620模組 662陶瓷基質 622有機導線基底 664焊接點縱列 624共晶焊接點 666倒接式晶片 626散熱器 670散熱器 詳細說明 (請先閲讀背面之注意事項再填寫本頁) 經濟部中央樣準局員工消費合作社印製 典型的矽接著劑包括相當量的矽氧烷化合物(如環下狀化 合物),其於重塑加熱時會汽化而污染到周圍的表面。周圍 表面的污染能夠藉著使用已除去(如利用熱汽化過程)低分 子量矽氧烷化合物(如環下狀化合物)之矽接著劑來降低, 所以其實污染並不會嚴重影響於相同低溫下後續之二次加 工。此外,黏附散熱器至組件上後,在連接至電路板前, 於高溫下(200到220°C)烘烤也可降低在相同或更低溫下後續 之二次加工時所造成的污染。重塑烘烤時,珍化合物汽化 的量最好是少於10%。當典型矽接著劑固化以及充分烘烤 至鉛錫焊料共晶重塑溫度(約200°C ),以達到成分移除及之 後的成分取代之目的時,汽化量更好是低於1 %。而發明中 所用之固化矽時的汽化物質量較好是少於1 0 %,且更好是 低於1 %的水準。這是此類材料於典型之未受烘烤矽接著劑 -16- 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) 經濟部中央標準局員工消費合作社印裝 A7 B7 五、發明説明(2 ) 而較少部份的熱也會經由卡四周任何較冷的表面輕射出。 近來,電路板上的元件密度已經提升到—個程度,即卡 上有一大邵份的面積均是會製造熱的元件,並且電路板上 線路的寬度是那麼地小以至於有更多的熱在電路化卡上之 傳訊線路中產生。因此,在降低元件溫唐上,經過引線之 熱通道途徑較沒有用,反倒經元件背部之熱通道來散熱的 方法則漸漸地變得拿來贫重要。 卜. 一 寸 在非常高性能的應用上(如大型的網路主電腦),其内部會 備有一包括一個冷卻板之氦氣或水冷式的冷卻系統,而冷 卻板則藉由加熱膠體黏接至元件上。這樣的熱膠通常是黏 稠的有機液體(如矽油),其内部充滿高導熱性物質的顆粒 像是鋁、鈹、銅、銀或是石墨/在大型電腦的應用上,利 用控制崩潰晶片連接器,C4s,倒接式晶片連接至陶瓷的 PGAs (CPGAs)上。此晶片是由熱膠直接熱連接到液冷式系 統中的一片冷卻板上。 在更多高性能的應用中,散熱器(如鋁或銅質)是以機械方 式夹在或以螺絲栓在一元件上,以藉著直接與周圍空氣對 流增加散熱性。熱膠通常是甩來填充散熱器與元件之間的 2隙,因爲即使是一層非常薄的空氣間隙,在熱通道上都 會是一可怕的熱阻層。 爲了提升導熱的性能,個別的功率電晶體以矽或環氧樹 脂填充材料裝入TO至T3封閉外殼中。再一次地,這類的接 著劑内已充滿了導熱材料以增加導熱性並且降低半導體元 件的溫度。這種不同的功率電晶體也被裝入一薄小套件 本纸張尺度適用家一標準(CNS)八4規格(21〇X29*y公餐 (讀先閔讀背面之注意事項再填寫本頁) .裝· Γ Γ
第86100567號專利申請案 中文說明書修正頁(88年7月) 五、發明説明(23) (請先閲請背面之注意事項再填寫本頁) 質護底的板424 ;而該板則以矽接著劑或可撓性環氧樹脂導電 接著劑426連至一硬式有機電路板428上。多個傳導介電430 負責連接電路板頂侧和底侧導線層。 散熱器440是以矽接著劑或可撓性環氧樹脂接著劑444連 接至載體基質之上陶瓷表面442。 、 圖9是圖4散熱器246之上視圖,其具有一接腳格柵陣列 450。此接腳是藉由抽拉一筋型散熱器並且穿過筋片加工而 得到接腳。接腳也可用模造或鑄造製得。圖10為一板型鰭 狀散熱器發明實施私也是圖8散熱器的.上視圖。散熱器 4 5 2可以.自厚的銘或銅板加工或是銘或銅的抽拉或模注來製 得。 圖11圖示另一帶狀球形格柵陣列套件(TBGA)模組的實施 - 例。在此特定的實施例中,倒接式晶片460連接到_可撓式電 路板462底部。銅或鋁的架構464以接著劑466(如環氧樹脂 膠帶)疊置到可撓式電路板上。散熱器468則以接著劑470連 接至架構上。一填充材料472(像是内充導熱性顆粒之矽接 著劑)於倒接式晶片的反向上延伸至散熱器和可燒式電路板 表面474上。 經濟部中央標準局員工消費合作社印製 散熱器468是由一沿著多層平行中央面板的有孔洞2之厚 平板組成,以便允許空氣循環通過平板。孔洞可以全部向 .一個方向沿伸,或是向彼此垂直的兩方向延伸。這樣的孔 可由鑽洞、模造,或是抽拉來製成。圖12亦圖示一穿越基 質之窗口 507。 圖12顯示另一帶狀球形格柵陣列套件模組。其中可撓式 電路板5 0 0可利用接著劑504(如乾式接著劑薄膜)直接疊置 -26 - 本紙張尺度適用中國國家標準(CNS ) A4規格(210X29"7公釐) Α7 Β7 經濟部中央標準局員工消費合作社印製 五、發明説明(3 ) 中’其上有一留给螺絲釘栓接至電路板的小孔並以熱膠填 入電晶體與板子之間。此外,彎曲板的散熱器也用來增加 散熱功能。 和體電路凡件的特色是具有大量的輸入及輸出(I/O)連接 端子。有機材料已被寬泛用於製造此類積體電子元件上。 呢苇見的兀仵是以在聚亞醯脬帶卜®作導象架構來製造, 利用一接著劑(如環氧樹脂或矽接著劑)連接導線架構帶上 一導線結合晶片的背侧,並連接至晶片前侧的導線到架構 引線上。製造用來連接晶片至聚亞醯胺的接著劑通常充滿 導熱性的粒子以増加晶片的熱傳性,並且因而使晶片溫度 降至最低。 塑膠凡件通常用環氧樹脂,藉由轉換注模的方法來封裹 晶片、接合線和部份引線以形成—塑膠的基底。陶瓷元件 通常是藉著—個位於陶瓷基底(晶片、接線置於其上)下之 丄腔j然後以環氧樹脂或矽接著劑將聚亞醯胺帶黏著於陶 瓷基底I上,接著於晶片與空腔内填充入導熱性環氧樹脂 或矽接著劑。一個陶的瓷底部基底可黏結於空腔底部之上 以保護元件的.底部。 ^散熱器通常是以螺絲栓到或失到積體套件之上。非矽接 f劑二般是用在散熱器與模組之間以提升導熱性能。散熱 器f常是在電路板組合後再連接至積體元件之上。近來爲 了降低費用,製造廠商已經開始在使用以環氧樹脂爲主的 材料來組合電路板後,直接將散熱器黏著至電子元件之有 機或陶瓷基底上。因爲環氧樹脂的熱膨脹係數大約是5〇至 (請先閔讀背面之注意事碩再填寫本頁) • n —L/l\ n .
*1T fm 1 mu nn· -L·® 本紙張尺度適用中品^準(⑽)M規格(21() χ 29^了 A7 B7 經濟部中央標準局員工消費合作社印製 五、發明説明( 80百萬分疋一/度(ppm/C。)而鋁和銅的熱膨脹係數則分別爲 23.4及17(??1]1/(:。),具用來鍍散熱器的材料(裸霉的銅,鍍 鎳的銅,裸露的鋁,陽極處理的鋁,鉻轉化之鋁)又是平滑 而與環氧樹脂接著地並不好。所以,在加熱的週期間很難 維持良好接著。-般爲了要增加導熱性以及減低剥落的問 題用於接著政熱器之環氧樹脂内部被充滿了導熱性金屬 或陶瓷顆粒,這些顆粒是用來改善接著劑熱膨脹係數至— 水準(如30至40 ppm/C。),此水準是模組材料及散熱器基質 金屬熱膨脹係數的中間値。 ' 在Γ7 /皿應用中,石夕接著劑被建議用來連接陽極處理過的 鋁質散熱器至模組的陶资表面,因爲矽質有機接著劑非常 填耐羞。矽質有機接著劑具有低於乃乇的玻璃轉換溫度(丁0 以及小於2,刪Psi之揚氏係數,所以可説是非常的柔軟 而矽有著非常高的熱膨脹係數(約2,〇〇〇ppm/c。),以及不易 在硬與-般散熱H表面形成可靠的連結機械的觀點, 料著=這些金屬表㈣連㈣度約是環氧樹脂的二分 又—到三分之一。矽爲一脆弱的材料,其抗拉強度約只有 〕〇〇nsi,相較於環氧樹脂的2,〇〇〇ps^此外,矽接著劑中的 成份具有會擴散出㈣勢’其會冷染具有-薄膜鍍層之表 面進而阻止了後續的其他有機材料(如光阻液、焊接阻液、’ ㈣)接著至電路通常教熱器是在其他建構電路 9表h叙後接著上,因此可將建構期間&染問題降至 取低。對紅次加丄的元件冷染特別是-個問題,因爲在 -/人加工期間加切大幅增加了 $染並且阻止了任何接下 (讀先閔讀背面之注意事項再填寫本頁) .裝· 訂------ -7 - • 1 A7 • 1 A7 經濟部中央標準局員工消費合作社印製 ________ B7 五、發明説明(5 ) .. 來的封裝或其他在電路板上的或許也需要二次加工的非矽 質製程。 爲獲得進一步的資料,我們將指引以下文獻給熟悉該項 技藝者:Jarvela的美國專利第4000509號描述利用熱膠來熱 連接倒接式晶片至散熱器。lnasaka的美國專利第5271150描 述陶瓷基底的製造。Beckham的美國專利第4604644號; Christie的美國專利第4999699和5089440號;以及Itoh的美國 專利第描述利用環氧樹脂來封裝C 4接點。Desai的美國專利 第5 159535描述接著倒接式晶片背側到一基底上。Bennett的 歐洲專利申請案第93104433.3號公開了 一半導體接附至一引 線架構上。Anschel的美國專利第491455 1號公開了接附一半 導體晶片至一碳化矽(SiC),氮化鋁(A1N),或利用環氧樹脂 之銅-殷鋼-銅等材質的散熱器上。G Schr〇ttke和D丄 Willson在九月號之IB Μ技術揭露公齟裊π號4 A中的直接自 逢」〇:路之晶片中移除熱一文中公開利用接著劑來將矽晶 片黏接至銅-殷鋼-銅散熱器。圖2中,Nitsch的美國專利第 5 1 6 8 4 3 0號説明一混成電路結構3膠合至一散熱器4上。 Ablestik所著1993年9月號之對Ablebond P〗-8971號之技術數 遽i—文中建議利用可撓性環氧樹脂將一大型晶片接附至 一鍍銀之銅引線架構上。由A.I.科技公司所著之對Prima_ 7655號產品數據表中建議黏接二氧化鋁到鋁,以 及砂到銅上。1994年Dow Corning公司在對X3-6325號新產 中建議矽接著劑”使用於接合、.密封、以及貼附基 底邊鉍和散熱器上” 。Dow Corning公司在1998年有關於高 -8- '"本...氏張尺度適;國國家橾準(CNS) Μ規格(a丨〇幻97公楚] (銪先鬩讀背面之注意事項再填寫本頁) -裝. 訂 經濟部中央標準局員工消費合作社印製 A7 , B7 五、發明説明(6 ) 科技矽質材料一文中建議使用商品名SYLGARD® Q3-6605 矽接著劑來接附’'混成積體電路基底,组件和元件至散熱 器上”。在半導體組裝材料選擇人員指南中,通用電氣公司 建議使用一種矽接著劑,RTV6424, ”做晶片黏附的應 '用.” 。Thermoset Plastics公司於MS-523石夕質有機接著劑技 術公報中建議使用矽接著劑”來結合散熱器至塑膠、陶 瓷、以及金屬化的套件上” 。:1994年General Electric公司在 TC3280矽質有機橡膠接著劑中敘述主體矽質有機接著劑的 性質。Bosworth,Hsu,和Polcari在1994年第44屆電子元件 暨技術研討會紀錄中之一接著散熱器至半導體套件之矽質 有機接著劑,自研發、品管、及完成中之例外功能文章中 敘述利用梦接著劑來連接散熱器到陶资套件上。Wang的美 國專利第5180625號建議利用可撓性導熱性環氧樹脂連接一 鋁片至一陶瓷電路板上。在1996年2月27至29日于加州 Anageim舉行的西區96年NEPC0N技術方案研討會中., Vanwert和Wilson于一體熱固化石夕接著劑文中建議使用;5夕接 著劑來組裝外露式的晶片。由Wilson、Norris、Scoot、和 Costello所著高應力組裝之熱傳導接著劑建議利用1-4173石夕 接著劑在”結合基底、組件、元件至散熱器上” :。Turek的 美國專利第5210941號建議利用矽接著劑黏附一鋁散熱器至 有機電路板上。Kanwa的日本公開的申請請案第64148901號 建議一個廟塔型之散熱器。美國專利申請案Spaight的第 4092697 號,Sugimoto 的第 4742024號, Tanaka的第 50973 18 號,Mahulikar的第 5367196號,以及Nitsch的第 5168430號均 本纸張尺度逋用中國國家標準(CNS ) A4規格(210X297公釐) (請先閱讀背面之注意事項再填寫本頁) -裝丨 訂 經濟部中央標準局員工消費合作社印製 Α7 Β7 五、發明説明(7 ,議熱連接—晶片皇一散熱器上。美國專利申請案Desai的 5j5 號,AngUias 的弟 5278724號;Behum 的第 5147Ό84 號建峨不同的倒接式晶片負载模组。Bernier及Memis則于 1995年西區NEPCON研討會中發表高於室溫下長期使用 結合強詹之最#化〇 以上所有引用的文獻謹此作爲一整體的引證來提供一有 力的揭露,並且支持這些受法律授權的申請人其申請專利 範圍。 發明總結 在每·些發明中,一以鋁或銅爲基質的散熱器被直接結合 到半導體例接式晶片或陶瓷晶片載體的表面。 對於在-6:5到1500°C間,1〇〇〇週次的濕式或乾式熱循環 下在85 ◦、相對濕度85%的條件下放置1〇〇〇小時、以及 150 C下放置1000小時等之測試條件下,卻仍要保有至少 5〇〇 psi的抗拉強度之要求下,申請人發現.,—矽接著劑薄 層能夠可靠地直接結合散熱器(如鋁、陽極處理的鋁、鍍鎘 的鋁、銅、鍍鎳的銅、及鉻酸鹽轉化所鍍的銅)至矽倒接式 晶片背側表面(鈍化處理過之破璃或聚亞醯胺)。此外,藉 著利用矽接著劑(其中低分子量之環狀化合物已被移除)以 及黏附散熱器至一組件上(在黏附該元件至電路板之前,該 元件已於高過其共重塑溫度下烘烤過),丨周圍表面上的 污染能被降至可以接受的水準。 申請人同時發現-高可撓性之環氧樹脂薄層(其破璃轉換 溫度低於室溫)可被用來將散熱器直接結合至倒接式晶片背 -10- i紙張尺度適用中國國家標準(CNS ) A4規格(ϋ〗297公瘦) (請先閔讀背面之注意事項再缜寫本頁〕 '裝 訂 A7 B7 五、發明説明(8 ) 側或陶毫表面。而且,即使受到以下種種測試—_100Ό 〈間,持續U00週次、之間,持續4〇〇週次、以 及-4_14(TC之間,持績3⑼週次的熱循環測試;或在13代 的條件下連續暴露},_小時’卻仍然保有至少· _的抗 t強度-結合仍將保持牢固。 在-發明f施例中或可撓性環氧樹脂接著劑黏附一 =或銅散熱器至倒接式晶片背#卜而另—篇中則是可挽性 裱氧樹脂連接一鋁或銅散熱器至—陶瓷基質上。 所圖簡诚 土 圖1示意説明一鋁或銅質散熱器由可撓性環氧樹脂結合至 —CQFP上來圖示一發明實施例。 圖2示意説明―銘或销質散熱器切或可撓性環氧樹脂接 著劑結合至一無蓋之CPGA上的半導體倒接式晶片且圖示了 另一發明實施例。 圖3示意説明一鋁或銅質散熱器由矽或可撓性環氧樹脂接 著劑結合至一CPGA上之半導體倒接式晶片並圖示了另—發 明實施例。 經濟部中央標準局員工消費合作社印製 (請先聞讀背面之注意事項再填寫本頁) 圖4示意説明另一類似於圖3之發明實施例。而其中—鋁 或銅質散熱器由矽或可撓性環氧樹脂接著劑結合至—cbga 或PBGA上之半導體倒接式晶片。 圖5圖示另'一發明實施例,其中示意説明一鋁或銅質散熱 器由矽或可撓性環氧樹脂結合至一帶狀球形格柵陣列套件 (tape ball grid array package, TBGA)上之半導體倒接式晶 -11 - 本纸張尺度適用中國國家標準(CNS ) A4規格(210X297公餐) 經濟部中央標準局員工消費合作社印製 A7 , B7 五、發明説明(9 ) 圖6圖示另一發明實施例,其中示意説明一鋁或铜質散熱 器由矽或可撓性環氧樹脂接著劑結合至一具有機載體基底 之直接連接晶片模組(direct chip attachment module,DCAM) 上的半導體晶片。 圖7示意説明此發明之資料處理系統。此系統藉著利用矽 或可撓性環氧樹脂接著劑結合散熱器至高倍密度元件之陶 瓷和矽質表面來增強其導熱性能。 圖8示意説明一鋁或銅質散熱器由可撓性環氧樹脂結合至 一底侧裝配有導線結合晶片之陶瓷TSOP上。 圖9是一接腳型鰭狀物(pin fin)發明實施例中圖4之散熱器 的上視圖。 圖10是一板型鰭狀物(plate fin)發明實施例中圖8之散熱 _器的上視圖。 圖11示意説明一具有一鑽孔之鋁或銅散熱器的底侧裝配 TBGA,由矽或可撓性環氧樹脂接著劑結合至TBGA上。 圖12示意説明一磚型散熱器由矽或可撓性環氧樹脂接著 劑結合至一底侧裝配有結合接線晶片之TB GA上。 圖13示意説明一鋁或銅質散熱器由矽或可撓性環氧樹脂 接著劑結合至一倒接式晶片和有導線結合晶片的具封套之 可撓性基質模組上。 圖1 4示意説明此發明之資料處理系統發明實施例。此系 統藉著利用矽或可撓性環氧樹脂接著劑,將散熱器直接連 接至倒接式晶片和晶片接附之陶瓷:基質上。 下面申請人發明之詳述可使那些熟悉該項技藝人士能夠 -12 - 本紙張尺度適用中國國家標隼(CNS ) Μ規格(210X297公釐) (讀先閱讀背面之注意事項再填寫本頁) \裝------訂-- .参1_ 五、發明説明( A7 B7 製造並利用這些發明,以及敘述完成發明的最佳方法。 經濟部中央標準局員工消費合作社印製 主要元件代表符號 1 0 0陶瓷 102陶瓷 104引線架構 1 〇 6半導體晶片 1 0 8_環氧樹脂 1 10環氧樹脂 1 1 2導線 1 14環氧樹脂 1 1 6空腔 118散熱器 1 2 0可撓性環氧樹脂 148 CQFP 模組 1 5 0倒接式晶片 1 5 2晶片載體 1 5 4接點陣列 1 5 6鷗翼引線 158'焊接處 1 5 9基底層 1 6 0環氧樹脂 1 6 2環氧樹脂 1 6 4環氧樹脂 1 65散熱器 166可撓性環氧樹脂 1 6 8同形鍍層1 7 〇金屬塾片 2 0 0 C P Q A 模组 2〇2倒接式晶片 204基底 206接點 2 〇 8接脚矩陣 2 1 〇波狀焊接點 2 1 2銅塾片 2 1 4基質 2 2 0環氧樹脂 2 2 4散熱器 2 2 6矽接著劑 2 4 0 B G A模组 242基底 244接著劑 2 4 6散熱器 24S倒接式晶片 2 5 0 T B G A 模组 -13 - 本纸張尺度適用中國國家標準(CNS ) A4規格(2丨〇 χ 297公董) (諳先閔讀背面之注意事項再缜寫本頁:> .裝--* ----^訂------ V tm mu· d I —-1 mat A7 B7 經濟部中央樣準局員工消費合作社印製 3 2 2接著劑 3 2 4散熱器 3 5 0資訊處理系统 3 5 2電腦系統 3 54電腦系统 3 5 6電境 3 5 8 C P U模組 3 6 0 C P U模組 3 62記憶體模組 3 6 4記憶體模組 3 6 6硬接著劑 3 6 8珍接著劑 3 7 〇矽接著劑 372矽接著劑 3 74電路接通結構(電路板) 3 7 6電路接通結構(電路板) 3 7 8電源供應器 3 8 0電源供應器 3 8 2電腦元件 3 8 6模組 3 8 8散熱板 3 9 4電纜 3 96周邊設備 4 0 0組件 -14- 五、發明説明(„ ) 2 5 2倒接式晶片底侧 2 5 4銅塾片 2 5 6可撓性晶片載體基體 25 8接點 2 5 9焊料球 2 6 0銅鲁片 . 262架構 2 6 4.接著劑 2 7 0散熱器 2 7 2接著劑 2 7 4接著劑 280基底 2 8 2銅整片 284焊接點
2 8 6塑膠 3〇〇 DCAM 3 0 2倒接式晶片 3〇4玻璃纖維環氧樹脂基底 3 0 6共晶焊接點 3 0 8焊接凸緣 3 1 0銅整片 3 1 2銅整片 3 1 4焊接點 3 2 0散熱器 本纸張尺度適用巾國國家橾準(CNS )八4規格(21〇χ297公楚) 五__ 煩請委員明示名年^月^-日所抵之 經濟部中央標準局員工消費合作社印製 修正本有無變更實質内容是否准予絛JE.e 第86100567號專利申請案 中文說明書修正頁(狀年7月)發明説明(12) 402 J型引線 404基底 406晶片 408基底下層 410接著劑 412導線接合線 414導線接合墊片 416導線接合墊片 418導線層上墊片 420焊接點 422電路板 424鋁質護底板 426接著劑 428有機電路板 430介電 440散熱器 442基質陶瓷表面 444接著劑 450接腳格柵陣列 452散熱器 4 6 0倒接式晶片 462可撓式電路板 464架構 466接著劑
468散熱器 470接著劑 472填充材料‘ 474電路板表面 500可撓式電路板 502磚型散熱器 504接著劑 506.導線結合晶片 5.07 窗口 508接著劑 520可撓式電路板 522基座 524外露模組墊片 526觸點墊片 528電路板表面 540散熱器 542導熱性接著劑 544到接式晶片 546倒接式晶片 568環氧樹脂 .570焊接點 600外殼 602垂直電路板 603垂直電路板 604水平主機板 -15- (請先閲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規格(210X297公釐) 第86100567號專利申請案 中文說明書修正頁(88年7月) A7 B7
發明説明(13) 606 CPU模组 628倒接式晶片 607 RAM模組 630矽接著劑 608 ROM模组 640散熱器 609 I/O模組 642倒接式晶片 610匯流排 644可撓性環氧樹脂 612電源供應器 660 CCGA 模組 620模組 662陶瓷基質 622有機導線基底 664焊接點縱列 624共晶焊接點 666倒接式晶片 626散熱器 670散熱器 詳細說明 (請先閲讀背面之注意事項再填寫本頁) 經濟部中央樣準局員工消費合作社印製 典型的矽接著劑包括相當量的矽氧烷化合物(如環下狀化 合物),其於重塑加熱時會汽化而污染到周圍的表面。周圍 表面的污染能夠藉著使用已除去(如利用熱汽化過程)低分 子量矽氧烷化合物(如環下狀化合物)之矽接著劑來降低, 所以其實污染並不會嚴重影響於相同低溫下後續之二次加 工。此外,黏附散熱器至組件上後,在連接至電路板前, 於高溫下(200到220°C)烘烤也可降低在相同或更低溫下後續 之二次加工時所造成的污染。重塑烘烤時,珍化合物汽化 的量最好是少於10%。當典型矽接著劑固化以及充分烘烤 至鉛錫焊料共晶重塑溫度(約200°C ),以達到成分移除及之 後的成分取代之目的時,汽化量更好是低於1 %。而發明中 所用之固化矽時的汽化物質量較好是少於1 0 %,且更好是 低於1 %的水準。這是此類材料於典型之未受烘烤矽接著劑 -16- 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) 經濟部中央標準局員工消費合作社印製 A7 ' B7 五、發明説明(14 ) 中的含量水準。另外,也希望在溫度高過200°C時,固化的 矽中的成份沒有因過度汽化而導致接著劑中產生空孔。 一種適合的矽接著劑是TC3280G,可向通用電氣公司洽 講,地址是 260 Hudson River Rd·,Waterford,NY 12188。 典型的環氧樹脂其玻璃轉換溫度約爲140到150°C,但是發 明中所用的這些可撓性環氧樹脂其玻璃轉換溫度卻低於25 °C,較好的是低於10°C,而更好的是低於0 °C。此外,典型 的環氧樹脂其揚氏係數約爲1,000,000 psi,但發明中之可撓 性環氧樹脂的揚氏係數則約是1〇〇,〇〇〇 psi,較好的是50,000 卩31,而更好的是低於20,000卩51。一種名爲?1:丨111&-^〇11(1丑0 7655之雙成份可撓性環氧樹脂可向AI科技公司洽購,地址 是 9 Princess Rd_,Lawrencevill,NJ 08648。這種環氧樹脂的 玻璃轉換溫度約只有-25°C而其揚氏係數則小於20,000 psi。 一名叫ABLEB0ND®P1_8971單成份可撓性環氧樹脂是由 Ablestick 實驗室提供,地點是 20021 Susana Rd., Rancho Dominguez, CA 90221。其玻璃轉換溫度約爲5 °C且揚氏係數 低於50,000 psi。 矽接著劑更適合於如直接連接至倒接式晶片的高溫應用 上(其溫度可超過130°C),而可撓性環氧樹脂則是適合於不 是那麼重要的應用上,如黏附散熱器至陶瓷表面。一個電 子元件的一般性性能需求是儲存在150°C下1,000個小時。本 發明之可撓性環氧樹脂無法通過測試,即仍舊可靠地提供 5 00 psi的抗拉強度而不剝落,但矽接著劑卻可滿足此一要 求。 -17 - 本纸張尺度適用中國國家標準(CNS ) A4規格(210 X 297公釐) (諳先閔讀背面之注意事項再填寫本頁) •裝-- 訂 _____—Γ. A7 B7 15 五、發明説明( n m n I— 1--- n ϊϋ it/fv SI. I (讀先閣讀背面之注意事項再填寫本頁) 圖1中,CQFP模組是由兩半完成燒結的陶 入別⑽和⑽組成'半導體晶片1Ό6(碎較好)結合至平Μ 裝的上半片100上,使用例如一典型晶片接著環氧樹: ,且时片&導線112結合至引線架構104上。紗人 是從金或銘板塾中延伸出的金線或較常見的銘線。然後利 用如典型環氧樹脂110和114將頂半部100結合至底半 1〇2。空腔U6通常是空著,的但有時會包含—介電、導二 性填封材料(切脂)。接著使用_可撓性環氧樹脂⑵薄 層,將一具光滑鋁金屬表面散熱器118黏附至陶瓷的頂部。 鋁的表面最好加以處理以強化與可撓性環氧樹脂的黏附 能力。舉例來説,其表面可以噴射蒸氣、噴射磨粒、腐蝕 來粗糙化,或者可用類似之粗糙處理來增加柔軟環氧樹脂 對鋁的黏附能力。
-1P 經濟部中央標準局員工消費合作社印装 氮化鋁(Α1Ν)的熱膨脹係數约爲4 6百萬分之—/度,而散 熱器中銘的熱膨脹係數约23 ·4百萬分之一,度,兩者之總無 恥脹係數則是18.8百萬分之一/度。陶瓷頂部表面相對較平 滑且任何環氧樹脂與套件間的剝落或龜裂均會導致.晶片傳 熱性的嚴重下降.。一種工業上常見的測試是使結合散熱器 的元件受到0到10(TC之間,持續1,5〇〇週次、-25到125°C之 間,持續400週次、以及-4(^Π4〇χ之間,持續300週次的熱 循環測試;或在130°C的條件下連續暴露ι,〇〇〇小時。申請人 發現可撓性環氧樹脂(如Ablestick實驗室的ABLEBOND®Pi_ 8971及AI科技公司的prima-B〇nd EG 7655)能夠滿足熱循環 本纸張尺度適用中國國家標準(CNS )八4規格(210X 297公釐) A7 B7 16 五、發明説明( 測試的要求。 另可替代的万法,封蓋1〇2可以—密封物(環氧樹脂的 珠狀頂部)來保護結合接線之晶片。環氧樹脂也許只覆蓋到 晶忍及導線束,或其延伸至其上裝有模組之電路板。另 外^ -有機材料像是玻璃纖維-環氧樹脂或—鋼和聚亞驢 胺鉑層也許可用來取代頂半部1〇〇陶竟。 圖2顯示另-無陶资覆蓋之CQFp 148。以—周邊序列或一 塊接點面積的陣列154(其在晶片上傳導觸點與载體上的傳 導觸點I間延伸),將—半導體倒接式晶片⑼前側(底部) 接附至一單層矩形陶瓷晶片载體152。 這些接點也許是C4、共晶焊接點或導電接著劑 (=CtriCally Conductlve adhesive,ECA)接點,像是熱塑性接 著劑’其内部充滿高溶點之導電顆粒(如銀或銅或鍍銀的顆 粒)過渡液相(transient liquid phase,TLp)系統顆粒。典型上 經濟部中央標準局員工消費合作,社.印製 晶片是以一層聚亞醯胺或玻璃來作鈍化處理,其上有^ ,出小型IS製接線層墊片。錢視窗以大型表面塾片覆 j ’此墊片是由鉻、銅、和鋁金屬層所组成。對於而 T ’其是以乾式沈積或電鍍、障壁式(screening)焊接膏和重 塑、或以液態焊接料注射等方式,於塾片上覆蓋著半球形 =尚溫焊料(錯及3 —15%踢,而3 —1〇%錫的比例更好)。有 著C4凸緣之晶片也可藉由C4製程直接連接到陶宪基底上之 銅墊片。另有一替代的方法,即利用共晶焊料沈積在c:凸 緣或載體塾片上,可將C4凸緣直接連接至鍵有機物载體基 底的銅全片上。晶片上的塾片或鍍上有機物載體基底也許 -19 - 本紙果尺度適财麵家縣(⑽)A規格(2淑297公 經濟部中央標準局員工消費合作杜印褽 A7 B7 五、發明説明(17 ) 可以共晶焊料(如鉛及35 ~ 85 %錫,.而最好是70 %錫)衝壓 (bumped)_L。 過渡液相系統顆粒是以貴重金屬爲主,其外層鍍以一易 起反應之金屬,;或是以易起反應之金屬爲底,外鍍一層貴 重金屬。在常見的焊料系統中之金屬可以用來形成過渡液 相系統。在過渡液相中,鍍層金屬的量受限於主體金屬, 所以當加熱材料時鍍層與部分主體金屬合金會形成一熔融 之共晶鍍層’其將顆粒都接合在一起。但是,當主體繼續 溶解入鍍層中時’即使是在同樣的溫度下,金屬合金的比 例也會有所改變,直到鍍層苒次固化爲止。另外,也可利 用電鍍、焊料注入、或自一凹印轉換等方法,將晶片凸緣 接附至載體的觸點上。 引線(像是鷗翼,gull wing,引線156)沿著組件及焊接處 158之兩邊或多邊,而最好是全部的四個邊(對qFPs而言)夾 至銅墊片158的周邊序列上,爲著將表面裝配連接至基底層 159上。此,引線底端另外也可在模組下彎曲成j型甚或直指 下而成I型。此引線是藉著像是重量百分比37/63%的鉛/錫 之焊料連接到在基底159之上的金屬墊片170(如銅)上。而 基底是如二氧化紹的陶究或鈹氧化物。基底也可以是—剛 性之有機基底,如填充玻璃纖維之環氧樹脂,或鍍有金屬 之基底像疋科瓦鐵線銘'合金(Covar)、殷鋼(Invar)、或铜— 殷鋼-銅鍍以聚亞醯胺膜、或是一可撓性電路板基底如層 狀銅及聚亞西胺層等。晶片連接點154以環氧樹脂16〇封閉 並且引線夹的連接處最好也封於環氧樹脂162中。最好用環 -20 - 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297^ ) "" --·------裝-- (讀先閑讀背面之注意事項再填寫本頁j 訂 -1Γ-:ΕΓ.-·.. .- 經濟部中央標準局員工消費合作社印製 A7 ' _B7__^________五、發明説明(18 ) 氧樹脂層164來保護頂層陶瓷電路(一形狀一致,與晶片頂 同層之鍍層)。利用可撓性環氧樹脂接著劑16 6或更好用石夕 接著劑,將(經陽極處理鋁的)散熱器165黏附至晶片150背 侧。對於具有尺寸遠大於晶片的底座之散熱器其機械強度 可以獲得改善。也可藉著利用典型環氧樹脂或是更適合的 可撓性環氧樹脂,將散熱器結合至同形的鍍層168上。以環 氧樹脂封裹矽接著劑來減低於後續二次加工時,對電路板 所造成的污染。 含矽質金屬之熱膨脹係數约爲2.6百萬分之一/度,鋁質散 熱器的熱膨脹係數則約是23.4百萬分之一 /度,而它們的總 熱膨脹係數爲20.8百萬分之一 /度。非常平滑的晶片背面會 導致不良的機械結合,而任何晶片與散熱器之間的剥離均 會對晶片散熱造成極嚴重的影響,進而使晶片溫度快速上 升而損毁晶片。 圖3顯示一陶资接.腳格栅陣列模组(ceramic pin grid array module, _CPGA) 200。以一周邊序列或一塊面積接,點陣列 154,將一半導體倒接式晶片202之前(底)侧接附至一矩形 陶瓷晶片載體204(如圖所示是單層或多層)上。另外,基底 204也可用有機化合物來做有機或金屬鍍層。一接腳矩陣 208是以波狀焊接點210接至平板穿孔之(plated-through-holes, PTHs) 兩端的 銅塾片 212 上, 而延伸 過基質 214( 如玻 璃纖維環氧樹脂或可撓性銅-聚亞醯胺層狀膜)。接點206 以環氧樹脂220封裹,並且利用可撓性環氧樹脂接著劑或更 適合的矽接著劑226將散熱器224接附至晶片202的背面。 -21 - 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) (諳先閣讀背面之注意事項再填寫本頁) -裝 訂 經濟部中央標準局員工消費合作社印製 A 7 ' B7 五、發明説明(19 ) 圖4顯示一球型格栅陣列模組(ball grid array,BGA, module) 240,此模组類似於圖3之陶瓷接腳格柵陣列模組 (CPGA)。基底242可以是陶瓷(ceramic,CBGA)或塑膠 (plastic,PBGA),並且可以是如圖所示的單層或多層。再一 次,以可撓性環氧樹脂接著劑或更好的矽接著劑244將散熱 器246接附至倒接式晶片248上。此處的散熱器只比晶片略 大並且黏接用的接著劑並沒有明顯地在散熱器與同形之鍍 層間散開。 圖5所示爲帶狀球形格柵陣列模組(t a p e b a 11 g r i d array, TBGA )250。倒接式晶片底(前)側252接附至一可撓 性晶片載體基底256上之多個銅墊片254上。此基底是一個 具一層或多層電路圖案之銅膜或聚亞醯胺膜。銅可以乾式 法沈積於聚亞醯胺上,接著經微影製圖(或一般製圖)過之 銅箔可以層.積.(laminated)於乾的聚亞縫胺膜上。接點25 8可 以C4製程、C4凸緣共晶焊料.焊接至墊片、熱壓法結合C4凸 緣至金屬墊片上、雷射焊接、或焊料接附帶技術(solder attach tape technology,SATT)等不同的方法來製造。矩形金 屬架構262(像是鋁或更適合之鍍鎳的銅)以接著劑264(最好 是環氧樹脂)接附至彎曲基質264上。散熱器270爲一平板, 以接著劑272(最好是環氧樹脂)接附至架構262上,並且以 可撓性環氧樹脂接著劑或更好的矽接著劑274將散熱器270 接附至晶片252上。散熱器可以是經鋁的陽極處理過或經鉻 酸鹽處理之鋁金屬。更好的散熱器可爲經鉻酸鹽處理或鍍 鎳之金屬銅。此鎳鍍層可以無電鍍(electroless plating)或電 -22 - 本紙張尺度適用中國國家標準(CNS ) A4規格(210 X 297公釐) (請先閣讀背面之注意事項再填寫本頁)
A7 B7 20 五、發明説明( 鍍法鍍於乾淨之銅表面上。 :接:撓性環氧樹物接著劑到鎳金屬上是一件困難 # = / Γ已發展㈣製程可用來處理鎳黏附的問題。鎳 鍍層先在井丙醇(IPA)中以超立 超@波展f清洗,然後用熱去離 子水來水洗,接著置於熱過氧化氫(溫度4〇到时c,3〇%的 溶^控财爛抓更好)f分鐘,㈣使錄鍵層 :㈣潤,接著用去離子水清洗,最後立刻置於一搭配試 劑(像疋含1至5% ’ 2%最好,的環氧樹脂钱或氨基砂燒 溶液)中1至2分鐘以增強接著效果。然後搭配試劑在6〇至9〇 I下作45到90分鐘的固化處理,並且再次以異丙醇清洗散 熱益·後用去離子水水洗。 模、·.且25 0藉著沈積焊接膏(3 7/63 %錯錫的比例較佳)至銅塾 片2 60及282上來黏附到基底“ο上,並且利用焊接膏中的焊 料球粒來將模組安置在基底之上,接著加熱基底直到焊接 f成溶融狀以形成焊接點284。也可以一外層封裹著熱塑性 或熱固性塑膠286之ECA來取代焊料球259及焊接點284,而 ECA是用熱壓法黏附到塾片282上的。 石夕之熱膨脹係數約爲2.6百萬分之一/度,而銅質散熱器的 熱膨脹係數則約是17百萬分之一 /度,它們的總熱膨脹係數 則爲14.4百萬分之一/度。同樣地,非常平滑的晶片背面會 導致不良的機械結合,以及任何晶片與散熱器之間的剝離 也均會對晶片的散熱造成極嚴重的影響,進而使晶片溫度 快速上升而損毁。當此結構先在13 CTC的條件下連續暴露 1,000小時,接著受到〇到l〇〇°C之間,持續1,500週次測試; -23 - 本紙張尺度適用中國國家標準(CNS ) A4规格(210><297公釐) -Xί---.-If--裝丨__ (#先閩讀背面之注意寧碩再填寫本頁) 訂 經濟部中央標準局員工消費合作社印製 經濟部中央標準局員工消費合作社印製 A7 B7 五、發明説明(21 ) 然後疋-25到125C之間,持續400週次;以及_4〇到14CTC之 間,持續300週次的熱循環測試來驗證材料間焊接點的可靠 度時’奴的環氧樹脂很快便損毁.剝落了。本申請案發 現,在施以適當的處理後,矽和鍍鎳的銅之間的矽接著劑 (如TC3280G)或是可撓性環氧樹脂接著劑(如 ABLEB0ND®P1-8971& EG 7655)之接合均能夠滿足此熱循 環測試的要求。, 圖6顯示一直接接附晶片模組(此如chip討愉仏m〇duie, DCAM) 3 00。倒接式晶片3〇2接附至—多層玻璃纖維環氧樹 脂基底304上。沈積共晶焊接點3〇6(用熱氣焊接校平法, (hot air soldering an(j levenng,HASL)、晶片上的焊 料、焊料注入、及轉換至不銹鋼凹印等方法)來連接晶片底 面上的高溫焊接凸緣308(如95/5%比例之鉛錫合金)和基底 頂面上之銅塾片310。 載體基底上的銅墊片3 12被安置定位來連接到一互相連通 之結構上的銅墊片(如圖2及圖5中有機電路板)。焊接點314 可用在墊片3 12上用來重塑焊接點。焊接點也可用在電路板 上I墊片上。以可撓性環氧樹脂接著劑或更好的矽接著劑 j22來接附散熱器320到晶片3〇2背侧。藉著利用環氧樹脂接 著劑、矽接著劑、或是更適合的可撓性環氧樹脂來封裹散 熱器324及基底304之間空間,可以改善具有尺寸延伸遠超 過晶片邊界之散熱器的機械強度。 圖7顯示一資訊處理系統35〇電腦網路之發明實施例。電 腦系統352及354以光纖或訊號電纜356連接成網路。系統 -24- 本紙張尺度適用中國國家標隼(CNS ) A4規格( ! V 裝--_ (讀先閲讀背面之注意事項苒填寫本頁) 訂 A7 B7 經濟部中央標準局員工消費合作社印製 五、發明説明(22 ) 352及 354 内有中央處理器(central pr〇cess〇r unit,cpu)模纽 358和360以及記憶體模組362及364 ^此模組利用矽接著劑 366至372將散熱器接附到模组,使系統能在較高的功率下 操作,進而提高整個資料處理系統的效能。每一系統中的 杈組均接附至一個或多個彼此以電路接通之結構374和 上。這些互相連通的結構有電路接至電源供應器(像是電 池、變壓器、或電源線)378及38〇中。這些結構也會連接至 其他電腦元件3 8 2上(像是磁碟機,或其他彼此互通之結 構)。藉由電腦周邊·設備396(像是键盤、滑鼠、陰極射線 管、數掾機、感應器、馬達…等),接附一條或多條光纖或 訊號電纜394或電纜接頭彼此互通的結構中,來提供資料的 輸入及輸出。 模组3 62及3 86共用一相.同的紹或銅質散熱器。.具高度可 撓性的矽接著劑允許多個組件共享一散熱器而不用考慮環 氧樹脂電路板374和鋁或銅質散熱板388之間明顯不同的熱 ^服係數大小。 圖8中圖示一表面裝配元件4〇〇,其以:型引線4〇2夹至單 層陶瓷載體基底404上。一導線結合晶片4〇6以矽接著劑或 可撓性環氧樹脂接著劑410連接至基底下侧4〇8上。此晶片 是以導線結合線412連接電路至載體基底上。導線結合線 412疋在晶片上的導線結合塾片414與導線結合整片416之間 延伸。導線結合墊片4 16爲載體基底底側上面導線層的一部 分。J型引線是以焊接點420連接到導線層上墊片418上。 組件400接附到一電路板422上,電路板上包含了 —有紹 -25- (諳先間讀背面之注意事碩再填寫本頁) 、裝-- —訂! 1P! 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) Γ Γ
第86100567號專利申請案 中文說明書修正頁(88年7月) 五、發明説明(23) (請先閲請背面之注意事項再填寫本頁) 質護底的板424 ;而該板則以矽接著劑或可撓性環氧樹脂導電 接著劑426連至一硬式有機電路板428上。多個傳導介電430 負責連接電路板頂侧和底侧導線層。 散熱器440是以矽接著劑或可撓性環氧樹脂接著劑444連 接至載體基質之上陶瓷表面442。 、 圖9是圖4散熱器246之上視圖,其具有一接腳格柵陣列 450。此接腳是藉由抽拉一筋型散熱器並且穿過筋片加工而 得到接腳。接腳也可用模造或鑄造製得。圖10為一板型鰭 狀散熱器發明實施私也是圖8散熱器的.上視圖。散熱器 4 5 2可以.自厚的銘或銅板加工或是銘或銅的抽拉或模注來製 得。 圖11圖示另一帶狀球形格柵陣列套件(TBGA)模組的實施 - 例。在此特定的實施例中,倒接式晶片460連接到_可撓式電 路板462底部。銅或鋁的架構464以接著劑466(如環氧樹脂 膠帶)疊置到可撓式電路板上。散熱器468則以接著劑470連 接至架構上。一填充材料472(像是内充導熱性顆粒之矽接 著劑)於倒接式晶片的反向上延伸至散熱器和可燒式電路板 表面474上。 經濟部中央標準局員工消費合作社印製 散熱器468是由一沿著多層平行中央面板的有孔洞2之厚 平板組成,以便允許空氣循環通過平板。孔洞可以全部向 .一個方向沿伸,或是向彼此垂直的兩方向延伸。這樣的孔 可由鑽洞、模造,或是抽拉來製成。圖12亦圖示一穿越基 質之窗口 507。 圖12顯示另一帶狀球形格柵陣列套件模組。其中可撓式 電路板5 0 0可利用接著劑504(如乾式接著劑薄膜)直接疊置 -26 - 本紙張尺度適用中國國家標準(CNS ) A4規格(210X29"7公釐) A7 B7 經濟部中央標準局員工消費合作社印製 五、發明説明(24 ) 到一磚型散熱器502上。散熱器可由熔模鑄造、模注、或抽 拉製成。藉由矽接著劑或可撓性環氧樹脂接著劑508,導線 結合晶片506可結合至散熱器上。 圖JL3描繪一多晶片模组,其中一可撓式電路板520繞著一 基座5 2 2被分層。可撓式電路板包含一單獨導線板,其藉由 含有留給模組連接墊片視窗之有機膜覆蓋於兩侧1。可撓式 電路板之外露模組墊片524焊接至一硬式或可撓式有機電路 板表面528上之觸點墊片526上。此模組更好是兩侧對稱, 並且模组整片以相同於一艘四邊形(quad)平坦套件的方式 連接至觸點墊片上。散熱器540是以導熱性接著劑542加熱 連接至模組上。散熱器延伸至其他模组(此處未示出)也黏 附至電路板表528上。在這個組態中,;δ夕接著劑較適合的原 因是因爲散熱器的熱膨脹係數與有機電路板的熱膨脹係數 並不相符。倒接式晶片544和546以環氧樹脂568包裹是爲了 焊接點處570的熱應變。 圖14繪出另一資訊處理系統之發明實施例。其中利用矽 接著劑或可撓性環氧樹脂接著劑將散熱器連接至陶瓷或半 導體表面上。在此實施例中,外殼600包含垂直電路板602 和603以及水平主機板604。此資訊處理系統包括.定義CPU之 模組606、隨機存取記憶元件(RAM)模組607、唯讀記憶元 件(ROM) 608、以及電路板604上之輸入/輸出(I/O)處理器 模組609。另外,一個或多個此類模組也可放在其他電路板 602和603上。匯流排610將所有資訊處理系統的電路板連接 在一起。一電源供應器6 12供應直流電給主機板,而主機板 -27 - 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) (#先閔讀背面之注意事項再填寫本頁) -裝-- k. A7 B7 五、發明説明(25 ) 則猎由匯流排61G對其他板子供應電源。到此,那些熟知該 頁技藝者將能於圖示模組中確認出本發明的潛在用途。 模、'’且620包δ —利用共晶焊接點624連接至電路板的2之陶 瓷或更返合的有機導線基底622上。鑽有孔之散熱器626以 矽接著劑630連接至封填之倒接式晶片628上。有接腳型鰭 '狀散熱器640以可撓性環氧樹脂644連接至封填之倒接式晶 片642上。陶瓷縱列格柵陣列(⑽咖化咖釘记饥叮, CCGA)模组660包含一具底層墊片之陶瓷基質662。而高溫 坪接點縱列664則以共晶焊料熔接或焊接至該墊片上。_被 封袭之倒接式晶片666是由一同形狀之鍍層圍繞,並且有一 層石夕橡膠接著劑連接至倒接式晶片與散熱器67〇之間。 雖然有引用較佳的裝置和方法之實施例來敘述此發明, 但熟知該項技藝者應可了解,可以做一些改變卻不用離開 只有在申請專利範圍中所限制之發明精神及範圍。 (讀先閱讀背面之注意事項再填寫本頁) -裝. 訂 經濟部中央標準局員工消費合作社印製 S 2 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐)
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- 經濟部中央標隼局員工消費合作社印製 第86100567號專利申請案 戠 中文申請專利範圍修正本(SS年7月) g88六、申請專利範圍 1. 一種用以製作倒接式晶片載體模組的方法,包含: 提供多個配線之表面; 使多個半導體晶片的第一表面電連接至一具有連接圖形 之配線表面; 以一有機材料封裹該半導體晶片與該配線表面之間每一 個別之電連接合圖形; 沈積尚未完全固化之該矽接著劑於多個該半導體晶片的 第二表面與多個散熱器之間; 將多個該散熱器與半導體晶片個別地壓合;以及 加熱使該梦接著劑固化。 2 .如申請專利範圍第1項之方法,其中: 電連接包含重新塑變焊接料以在該倒接式晶片上之金屬 墊偶與該配線表面上之金屬墊片間形成多個焊接點; 該方法進一步包含連接額外的多個半導體晶片至該配線 表面,並且其中沈積該矽接著劑,包括沈積該接著劑至 該散熱器與多個半導體晶片之間;. 所提供的一種該配線表面包含製作一金屬化之陶资基 底; 沈積該接著劑層並壓合該散熱器與晶片產生一 2至4千 分之一英叶(mils)厚之接著劑層; 該封裹用之有機材料為一種環氧樹脂; 該方法進一步包含圍繞著該倒接式晶片四周,於該配線 層上沈積一同形狀之一環氧樹脂鍍層,而厚度最高約可 與倒接式晶片的厚度相同; (請先閲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規格(210X297公釐)經濟部中央標隼局員工消費合作社印製 第86100567號專利申請案 戠 中文申請專利範圍修正本(SS年7月) g88六、申請專利範圍 1. 一種用以製作倒接式晶片載體模組的方法,包含: 提供多個配線之表面; 使多個半導體晶片的第一表面電連接至一具有連接圖形 之配線表面; 以一有機材料封裹該半導體晶片與該配線表面之間每一 個別之電連接合圖形; 沈積尚未完全固化之該矽接著劑於多個該半導體晶片的 第二表面與多個散熱器之間; 將多個該散熱器與半導體晶片個別地壓合;以及 加熱使該梦接著劑固化。 2 .如申請專利範圍第1項之方法,其中: 電連接包含重新塑變焊接料以在該倒接式晶片上之金屬 墊偶與該配線表面上之金屬墊片間形成多個焊接點; 該方法進一步包含連接額外的多個半導體晶片至該配線 表面,並且其中沈積該矽接著劑,包括沈積該接著劑至 該散熱器與多個半導體晶片之間;. 所提供的一種該配線表面包含製作一金屬化之陶资基 底; 沈積該接著劑層並壓合該散熱器與晶片產生一 2至4千 分之一英叶(mils)厚之接著劑層; 該封裹用之有機材料為一種環氧樹脂; 該方法進一步包含圍繞著該倒接式晶片四周,於該配線 層上沈積一同形狀之一環氧樹脂鍍層,而厚度最高約可 與倒接式晶片的厚度相同; (請先閲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規格(210X297公釐) 六、申請專利範圍 該矽接著劑之沈積包括圍繞著多個該半導體晶片四周沈 積該珍接著劑到該散熱器與該同形鐘層之間; 該方法進一步包含以二氧化鋁陶瓷顆粒填充該矽接著 劑; 該方法進一步包含以鋁金屬顆粒填充該矽接著劑; 該方法進一步包含選擇一種單成份之矽接著劑;, P該方法進一步包含選擇以一種銅合金作為該散熱器,並 且在一個該散熱器的接合面上鍍鎳; 該方法進一步包含以過氧化氳處理該鍍鎳的接合面; 以過氧化氫之該處理包含加熱該過氧化氫至60到90°C之 間; 以過氧化氳之該處理包含加熱該過氧化氫至大約75°C ; 該方法進一步包含於過氧化氫處理中或處理後,以氨基 矽烷或環氧樹脂矽烷處理該鍍鎳接合面; 該方法進一步包含以過氧化氫處理之前,用.異丙醇處理 該鍍鎳接合面;以及 該方法進一步包含在經過氧化氫處理之後,以去離子水 水洗該鍍鎳接合面。 3.如申請專利範圍第1項之方法,其中: 經濟部中央標準局員工消費合作社印裝 (請先閲讀背面之注意事項再填寫本頁) 該電連接包含沈積一導電熱塑性接著劑於該半導體晶片 或該配線表面上,或是兩者之上; 該圍繞接合面圖形的封裹動作包含沈積一介電熱塑性接 著劑於圍繞著多個該導電熱塑性接著劑沈積四周; 所該提供一種該配線表面包含一硬式有機基底; -2- 本紙承尺度適用中國國家標準(CNS ) A4規格(210X297公釐) 六、申請專利範圍 該提供一硬性有機基底包含提供軸向之堅硬纖維,並且 以該纖維填充環氧樹脂, 該提供軸向堅硬纖維包含提供經編織之玻璃纖維; .該沈積矽接著劑包含以矽接著劑填充圍繞著該半導體晶 片四周之該散熱器與該配線表面間的空間; 該方法造一步包含選擇以一種銅合金作為該散熱器;並 且 該方法進一步包含以絡金屬鍍銅散熱器的一接合面。 4 .如申請專利範圍第1項之方法,其中: 所提供之一種該配線表面包含一層或多層金屬膜配線 層,以兩層或多層有機介電膜隔開或覆蓋,並於該介電 層形成一可撓性式且具視窗之電路板,其覆蓋該_配線表 面而露出並連接至該配線層接合面之金屬塾片上;_ 該方法進一步包含以環氧樹脂接著劑來填充圍繞著多個 該半導體晶片四周之該散熱器與多個該配線表面間的空 間;並且選擇一可撓性環氧樹脂接著劑作為該環氧樹脂 接著劑; 該方法進一步包含選擇以一種銘合金作為該散熱器;並 且 經濟部中央標準局員工消費合作社印製 (請先間讀背面之注意事項再填寫本頁) 該方法進一步包含經鋁的陽極處理過之該鋁質散熱器接 合面。 5 .如申請專利範圍第1項之方法,其中: i 所提供之一種該配線屬包含提供一個金屬化陶党配線表 面; , -3- 本紙張尺度適用f國國家標準(CNS ) A4規格(210X297公f)~: ' 六、申請專利範圍 該方法進一步包含選擇以一種鋁合金作為該散熱器;並 且 該方法進一步包含粗糙化該鋁質散熱器之接合面。 6 .如申請專利範圍第1項之方法,其中: 該方法進一步包含選擇以一種鋁合金作為該散熱器;並 且 該方法進一步包含以鉻酸鹽鍍鋁質散熱器的接合面。 7 . —種製作晶片載體模組的方法,包含: 以多個配線表面、接附表面和穿過該基底的視窗來提供 多個配線基底; 沈積第一有機接著劑於多個該接附表面和多個金屬散熱 器之間; 將多個該散熱器與接附表面個別壓合;並且 加熱使該第一接著劑固化; 沈積尚未完全固化之矽接著劑於多個半導體晶片背面和 多個個別視窗上之該散熱器之間;. 將多個該散熱器與個別的半導體晶片壓合;並且 加熱使該妙接著劑固化; 經濟部中央標準局員工消費合作社印製 (請先閱讀背面之注意事項再填寫本頁) 連接多i結合導線於多個該半導體晶片前侧表面上之導 線結合墊片(其連接至多個該視窗上之多個該散熱器)與多 個該視窗四周配線表面上之多個導線接合塾片之間; 以一有機材料封裹多束該結合導線與多個該晶片之前侧 表面。 8 .如申請專利範園第7項之方法,其中: -4- 本紙張尺度適用中國國家操準(CNS ) A4規格(210X297公釐) 六、申請專利範圍 所提供之多個配線基底包含將一層或多層金屬膜疊置在 一起,其上覆蓋有多層有機介電材料膜; 該第一有機接著劑包含矽接著劑; 該第一有機接著劑包含可撓性環氧樹脂接著劑;並且 該有機材料為一種環氧樹脂。 9 . 一種製作電路板組合體之方法,包含: 提供該表面上有一電路接合圖形第一表面之多個半導體 晶片, 提供電路化之電路板基底; 利用多個個別的接合圖形,電連接該半導體晶.片之第一 表面至多個個別的電路板上之配線表面; 以一有機材料封裹多個該半導體晶片與多個該配線表面 之間,圍繞電路接合圖形之空間; 沈積尚未完全凝固之矽接著劑於該多個該半導體晶片之 第二表面與多個散熱器之間; 將多個該散熱器與半導體晶片個別地壓合;並且 加熱使該碎接著劑固化。 10. —種用以製作多個電路板組合體之方法,包含·· 經濟部中央標準局員工消費合作社印製 (請先閱讀背面之注意事項再填寫本頁) 提供多個晶片載體模組,包含具有多個外露半導體晶片 表面之多個模組; 放置多個該模組於多個該電路化電路板上,其上在遠離 該電路板基底之該模組的一侧具有多個外露之半導體晶 片表面; 對多個該模組與多個該基底之間加熱並電連接; -5- 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) 六、申請專利範圍 沈積尚未完全固化之矽接著劑於多個該外露之半導體晶 片表面與多個散熱器之間; 多個該散熱器與半導體晶片個別地壓合;並且 加熱使該發接著劍固化。 11. 如申請專利範園第10項之方法,其中: 該沈積矽接著劑的方法,包含沈積該接著劑於散熱器與 多個該晶片載體模組之多個外露半導體晶片表面之間。 12. —種用以製作多個資訊處理系統之方法,包含: 提供多個外殼來容納該資訊處理系統之多個零組件; 提供多個電源供應器來操控該資訊處理系統; 提供包含用來定義多個中央處理器(CPUs),隨機存取 記憶元件(RAMs),及輸入/輸出(I/O)處理器的元件,並 且包含具有多個外露半導體晶片表面之多個組件; 提供一個或多個電路化之電路板基底包含匯流排裝置, 用以該CPU,RAM,以及I/O處理器之間的訊號傳輸; 放置多個該組件於具有遠離該基底一侧之該外露半導體 表面的多個該電路化基底上; 於多個該組件和電路化基質之間加熱以形成電連接; 加熱過後,冷卻以形成多個電路板組合體; 經濟部中央標準局負工消費合作社印裝 (請先閲讀背面之注意事項再填寫本頁) 在多個該半導體表面與散熱器之間沈積矽接著劑; 將該散熱器壓至該半導體表面之上; 加熱使該碎接著劑固化; 放置多個該電路板組合體與電源供應器於該外殼之中, 並且電連接多個該電路板與電源供應器而形成一個資訊 -6- 本紙張尺度適用中國國家標準(CNS ) A4規格(210 X 297公釐) 風扇,以增 申請專利範圍 處理系統。 U.如申請專利範園第12項之方法,其中: 孩方法進一步包含於該外殼開口之上 強周園的空氣循環通過該外殼。 . 14. —種製作—個晶片載體模组之方法,包括: 電連接一個半導體的篱—类& = 、此七 ° ^表面至—具有多個接合處圖形 足配線表面; 以::有機封裹材料封裹該半導體晶片與該配線表面之 圍、者7個該具多個結合處之圖形的空間; #沈,尚未⑦全固化〈可撓性環氧樹脂於該半導體晶片之 罘一表面與一散熱器之間; 將該散熱器與該第二半導 卞寸奴卵片表面壓合;並且 加熱固化該可撓性環氧樹脂。 15. 如申請專利範圍第14項之方法,其中: 沈積可撓性環氧樹脂之續丧 _ 。 P 乂騾,包含沈%其.玻璃轉換溫 度(Tg)小於25 °c並且扁? 5 > π廿 C下其%氏係數低於100 〇〇〇 i 的可撓性環氧樹脂之步騾; psl 沈積可撓性環氧樹脂乏蜂丰獅 ^ A ^ , ^10〇r Α. ^ Μ V驟,包含沈積其玻璃轉換溫 度小於H)C的可撓性環氧樹脂之步驟; 沈積可撓性環氧樹脂之兮牛 相<及步騍,包含沈積其玻璃轉換溫 度小於ot:的可撓性環氧樹脂之步驟; 〕轉換迦 沈積可撓性環氧樹脂方兮本肝 步驟,包含沈積在25°C下:IL揚 氏係數低於50,0〇〇!^的可娃^„ r ^ P1的可撓性環氧樹脂之步騾; 沈積可撓性環氧樹脂> 遂步驟,包含沈積在25。(:下其揚 -7- 闕家辟(CNS -------- (請先閱讀背面之注意事項再填寫本頁) 、言. • .1-- — 經濟部申央標準局負工消費合作社印製、申請專利範圍 氏係數低於20, 〇〇〇 psi的可撓性環氧樹脂之步 该電連接包含重塑焊料,於該彳“ 墊片盥兮耐括主 ^换式卯片上之多個金屬 點酉泉表面上之多個金屬塾片之間形成多個焊接 表連接额外的多個半導體晶片至該配線 η 中沈㈣可撓性軟環氧樹脂,這包含沈 ㈣接著劑至該散熱器與多個該额外的半導體晶片之 間, 所提供的—種配線表面包含製作一個金屬化陶瓷基質; 沈積該接著劑層並且將該散熱器與晶片壓合產生二2至 4千分之一英吋厚之接著劑層; ^ 遠有機封裘材料為一種環氧樹脂; 該方法進-步包含沈積一同形環氧樹脂鍍層於園繞該倒 接式晶片四周之該配線表面,其厚度約等同於倒接式# 片; 曰曰 可撓性環氧樹脂接著劑之沈積包含沈積該可撓性環氧 脂於該散熱器與該同形鍍層之間; ' 該方法進一步包含以二氧化鋁陶瓷顆粒填充該可撓性产 氧樹脂接著劑; 衣 該方法進一步包含以鋁金屬顆粒填充該矽接著劑; 該方法進一步包含選擇一種單成份之該可撓性環氧 接著劑; 旨 该方法進步包含選擇以一種銅合金作為該散熱器,、、 且對一散熱器的接合面鍍鎳; ^ -8 - 本紙張尺度適用中國國家梂準(CNS ) Α4規格(210X297公釐)經濟部中央標準局一一貝工消費合作社印製 A8 B8 C8 D8 六、申請專利範圍 該方法進一步包含以過氧化氫處理該鍍鎳接合面; 以過氧化氳之該處理包含加熱該過氧化氫至60到90°C之 間; 以過氧化氫之該處理包含加熱該過氧化氫至大約75°C ; 該方法進一步包含於過氧化氫處理時或處理後,以氨基 矽烷或環氧樹脂矽烷處理該鍍鎳接合面; 該方法進一步包含在以過氧化氫處理之前,用異丙醇處 理該鍍鎳接合面;以及 該方法進一步包含在經過氧化氫處理後,以去離子水水 洗該鍍鎳接合面。 16.如申請專利範圍第14項之方法,其中: 該電連接包含沈積一種導電熱塑性接著劑於該半導體晶 片或該配線表面,或是兩者之上; •該封裹該接合面之圖形包含圍繞著該導電熱塑性接著劑 層沈積一種介電熱塑性接著劑; 所提供之一種該配線表面包含一硬式有機基底; 所提供之一個該硬性有機基底包含提供轴向堅硬纖維並 且以該纖維填充環氧樹脂; 所提供的該軸向堅硬纖維包含提供編織成之玻璃纖維; 沈積該可棱性環氧樹脂接著劑包含以珍接著劑填充圍繞 著該半導體晶片四周之該散熱器與該配線表面間的空 間; 該方法進一步包含選擇以一種銅合金作為該散熱器;並 且 -9- 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) (請先閱讀背面之注意事項再填寫本頁) 、裝. 、1T 六、申請專利範圍 該方法進一步包含以路金屬鍍一銅散熱器的接合面。 17.如申請專利範圍第14項之方法,其中: 所提供之一種該配線表面包含一層或多層金屬膜配線 層,而以一層或多層有機介電予以膜隔開或覆蓋,並於 該介電層形成一可撓性具多視窗之電路板,其覆蓋多個 該配線表面而露出多個連接至該配線層接合面之金屬塾 片; 該方法進一步包含以環氧樹脂接著劑來填充圍繞著該半 導體晶片四周,該散熱器與該配線表面間的空間;並且 選擇一可撓性環氧樹脂接著劑作為該環氧樹脂接.著劑; 該方法進一步包含選擇以一種銘合金作為該散熱器;並 且 該方法進一步包含經鋁的陽極處理過之該鋁質散熱器接 合面。 IS.如申請專利範.圍第Μ項之方法,其中: 所提供之一種該配線層包含提供一金屬化陶瓷配線表 面; 該方法進一步包含選擇以一種銘合金作為該散熱器;並 且 經濟部中央標準局員工消費合作社印製 (請先閲讀背面之注意事項再填寫本頁) 該方法進一步包含粗糙化該鋁質散熱器之接合面。 19.如申請專利範圍第14項之方法,其中: 該方法進一步包含選擇以一種紹合金作為該散熱器;並 且 該方法進一步包含以鉻酸鹽轉化來鍍鋁質散熱器接面口 -10- 本紙張尺度適用中國國家標準(CNS ) Α4規格(210X297公釐) 經濟部中央標隼局員工消費合作社印製 A8 , B8 C8 D8 六、申請專利範圍 20. —種用以製作多個晶片載體模組的方法,包含: 以配線表面、接附表面和穿過該基質的多個視窗農供多 個配線基底; 沈積第一有機接著劑於多個該接附表面和多個金屬散熱 器之間; 將多個該散熱器與個別之接附面壓合;並且 加熱固化該第一接著劑; 沈積尚未完全固化之矽接著劑於多個半導體晶片背面和 個別視窗上之多個該散熱器之間; 將多個該散熱器與個別的半導體晶片壓合;並且 加熱固化該矽接著劑; 連接多束結合導線於該半導體晶片前侧表面上之多個導 線揍合墊片(其連接至該視窗上之多個該散熱器)與該七視 窗四周配線表面上之多個導線接合墊片之間; 以一有機材料封裹多束該結合導線與該晶片之前侧表 面。 21. 如申請專利範圍第20項之方法,其中: 所提供之多個配線基底包含叠置一層或多層金屬膜在一 起,而其上覆蓋有多層有機介電材料膜; 該第一有機接著劑包含矽接著劑; 該笫一有機接著劑包含可撓性環氧樹脂接著劑;並且 該有機材料為一種環氧樹脂。 22. —種用以製作一個晶片載體模組之方法,包括: 裝配一個半導體晶片至一基底的第一表面.; -11 - 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) (請先閎讀背面之注意事項再填寫本頁) '裝· 、tT 六、申請專利範圍 沈積尚未完全固化之柔軟環氧樹脂於該基底之第二表面 與一散熱器之間; 將該散熱器與該基底之第二表面壓合;並且 加熱該模組使該可撓性環氧樹脂固化。 23. 如申請專利範圍第22項之方法,其中: 該半導體晶片是一導線結合晶片,其背侧結合至該基底 上; 該導線結合晶片是以可撓性環氧樹脂結合; 該散熱器為一金屬;並且 該基底基本上是一陶瓷;基底。 24. —種用以製作多個電路板組合體之方法,包含: 提供多個半導體晶片,其上具有多個電路接合圖形的一 個第一表面; 提供多個電路化之電路板基底; 利用多個個別的接合圖形,電連接多個該半.導體晶片之 該第一表面至個別的電路板之多個配線表面上; 以一種有機材料封裹多個該半導體晶片與多個該配線表 面之間,圍繞電路接合圖形之空間; 經濟部中央標率局員工消費合作社印— (請先間讀背面之注意事項再填寫本頁) 沈積尚未完全固化之可撓性環氧樹脂接著劑於該多個半 導體晶片之第二表面與多個散熱器之間; 將多個該散熱器與個別的半導體晶片壓合;並且 加熱以固化該可撓性環氧樹脂接著劑。 25. —種用以製作多個電路板組合體之方法,包含: 提供多個晶片載體模組,包含具有多個外露半導體晶片 -12- 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) 經濟部中央榇準局員工消費合作社印製 A8 , Βδ C8 D8 六、申請專利範圍 表面之模組; 放置多個該模组於多個該電路化電路板上,其上在遠離 該電路板基底之該模组的一侧具有外露之半導體晶片表 面; 對該模組與該基底之間加熱電連接; . 沈積尚未完全固化之可撓性環氧樹脂接著劑於多個該外 露之半導體晶片表面與多個散熱器之間; 將多個該散熱器與個別的半導體晶片壓合;並且 加熱固化該可撓性環氧樹脂接著劑。 26. 如申請專利範圍第25項之方法,其中·· 該沈積矽接著劑的方法包含,沈積該接著劑於散熱器與 多個該晶片載體模組之多個外露半導體晶片表面之間。 27. —種用以製作多個資訊處理系統的方法,包含: 提供多個外殼用以容納該資訊處理系統的.多個零組件; 提供多個電源供應器來操作該資訊處理系統.; 提供多個元件包含定義多個CPU,RAM,及I/O處理器 的元件,並且包含具外露式半導體晶片表面的元件; 提供一個或多個電路化之電路板基底包含多個匯流排裝 置來在該CPU,RAM,以及I/O處理器之間傳輸訊號; 放置多個該元件於該電路化基底上’該基底上具有多個 該外露式半導體表面,而該面離開基底面; 對多個該元件與多個該電路化基底之間加熱以形成電連 接; 加熱之後,冷卻以形成多個電路板組合體., -13 - 本紙張尺度逋用中國國家標準(CNS ) A4規格(210 X 297公釐) (請先閱讀背面之注意事項再填寫本頁) 裝 訂 六、申請專利範圍 於多個該半導體表面與多個散熱器間沈積可撓性環氧樹 脂接著劑; 將多個該散熱器壓合至多個該半導體表面之上; 加熱固化該可撓性環氧樹脂接著劑;並且 放置多個該電路板组合體及電源供應器於該外殼中且將 多個該電路板電連接在一起,並且以電源供應器來電連 接多個該電路板以形成一個資訊處理系統。 28. 如申請專利範圍第27項之方法,其中: 該方法進一步包含提供一風扇以增強空氣循環通過外 殼。 29. —種晶片載體模組.,包含: 一種配線表面具一個或多個電路連接處之圖形; 利用一個該連接圖形,電連接該半導體晶片之第一表面 至該配線表面上; 封裹程序包含一種有機材料,填充環繞一個該多接合點 圖形四周,該半導體晶片和該配線表面間的空間; 一個散熱器; 尚未完全固化之矽接著劑,沈積在多個該半導體晶片與 該散熱器之間。 經濟部中央標準局員工消費合作社印製 (請先閱讀背面之注意事項再填寫本頁) • 30.如申請專利範圍第29項之模组,其中: 該電連接處包含在該配線表面上之多個金屬接合塾片; 該半導體晶片包含多個接合墊片,其具該配線表面上之 多接合處圖形的鏡像圖形; 該模組進一步包含多個焊接點,其在該半導體晶片上之 -14- 本紙張尺度逋用中國國家標準(CNS ) A4規格(210X297公釐) 六、申請專利範圍 多個金屬接合墊片與該配線表面上之多個金屬接合墊片 間延伸; 該載體進一步包含多個额外半導體晶片分別連接至該配 線表上之多個電連接圖形; 矽接著劑接合多個該額外半導體晶片與該散熱器;. 該配線表面包含一金屬化之陶资基質; 該矽接著劑沈積厚度為2至4千分之一英吋; 該封裹有機金屬材料是一種環氧樹脂; 該多個半導體晶片為倒接式晶片,並且該電連接圖难到 該倒接式晶片接附的一前侧表面之圖形為一面積.陣列; 該載體進一步包含一同形之環氧樹脂鍍層,其沈積在該 倒接式晶片四周的該配線表面’而其厚度最向約該倒接 式晶片背侧相同, 矽接著劑填充入該半導體晶片與該散熱器和該同形鍍層 四周的空間; 該矽接著劑内部充滿了二氧化鋁陶瓷顆粒; 該矽接著劑内部充滿了鋁金屬顆粒; 該矽接著劑是一種單成份的矽接著劑; 經濟部中央標準局員工消費合作社印製 (請先閱讀背面之注意事項再填寫本頁) 該散熱器包含一銅合金和一鍍有鎳該之散熱器接合面; 並且 該鍍鎳接合面鍍以氨基矽烷或環氧樹脂矽烷。 3 1.如申請專利範圍第29項之模组,其中: 該模組進一步包含多個導電之熱塑性接著劑焊接點在該 半導體晶片與該配線表面上之多個接合處間.延伸; -15- 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) 六、申請專利範圍 封裹該接合處圖形四周之程序包含環繞該導電之熱塑性 接著劑沈積的一種介電熱塑性接著劑; 該配線表面為一硬式有機基底的表面; 該硬式有機基底包含内部充滿軸向堅硬纖維; 該轴向堅硬纖維包含編織之玻璃纖維; 碎接著劑填充入該半導體晶片與該敎熱器和該配線表面 四周的空間; 該散熱器包含一種銅合金;並且 於該銅合金散熱器之一接合面鍍上絡金屬。 32. 如申請專利範圍第29項之模組,其中: 該配線表面為一可撓性電路板之表面; 該可撓性電路板包含提供一或多個金屬膜配線層,其被 兩層或多層有機介電膜(其具有外露該配線層上金屬墊片 之視窗)隔開並且覆蓋; 該模組進一步包含環氧樹脂接著劑内充滿該半導體晶片 與該配線表面和該散熱器四周的空.間; - 該環氧樹脂接著劑為一種可撓性環氧樹脂。 該散熱器包含鋁金屬;並且 一該銘質散熱器接合面經過陽極處理。 經濟部中央標準局貞工消費合作社印製 (請先閱讀背面之注意事項再填寫本頁) 33. 如申請專利範圍第29項之模組,其中: 該配線表面為一金屬化陶资基質表面; 該散熱器包含一經粗糖化之銘金屬接合面。 34. 如申請專利範園第29項之模組,其中: 該散熱器包含一經鉻酸鹽處理之鍍層的鋁.金屬接合面。 -16- 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) 六、申請專利範圍 35. —種晶片載體模組,包含: 一具有配線表面及接附表面之配線基底,並且有一視窗 穿過該基底; 一散熱器連接至該接附表面; 一半導體晶片; 一種矽接著劑在該半導體晶片背面與多個該散熱器個別 的視窗之間; 多束結合導線於多各該半導體晶片前侧表面上之多個導 線結合墊片與該視窗四周配線表面上之導線結合墊片之 間延伸; 一種有機封裹材料包裹該結合導線與該晶片的前侧表 面。 36. 如申請專利範圍第35項之模組,其中: 該模組進一步於該金屬散熱器與該接附表面之間包含一 種第一有機接著劑; 該配線基底包含一種一層或多層金屬膜之疊置結構,其 上覆蓋多層有機介電膜; 該第一有機接著劑包含矽接著劑; 該第一有機接著劑包含可燒性環氧樹.脂接著劑;並且 經濟部中央標準局員工消費合作社印製 (請先閱讀背面之注意事項再填寫本頁) 該身裹有機材料為一種環氧樹脂。 -37.—種電路板組合體,包含: > 一個或多個半導體晶片其上具有多個第一表面而每一該 表面上有一多電連接圖形; '一電路化之電路板基底’其上具有·一配線.表面,此表面 -17- 本紙張尺度適用中國國家操準(CNS ) A4規格(210 X 297公釐) D8 D8 經濟部中央標準局員工消費合作社印製 六、申請專利範圍 具多個該多接合圖形,其對應至多個該晶片上之多個該 電連接圖形; 在多個該半導體晶片第一表面與多個該配線表面上之多 個該電連接之間的多個接點; 於圍繞電連接處面積陣列四周,多個該半導體晶片與多 個該配線表面之間的一種有機封裹材料; 沈積尚未完全固化之矽接著劑於該多個半導體晶片之多 個第二表面與多個散熱器之間;並且 在多個該半導體晶片與一散熱器間之矽接著劑。 38. —種電路板組合體,包含: 一電路化電路板基底; 一晶片載體模组包含一接附至該模組一上表面之半導體 晶片, 一散熱器;並且 矽接著劑,介於該半導體晶片之一個表面與該散熱器之 間。 3 9.如申請專利範圍第3 8項之組合體,其中: 一個或多個额外之晶片載體模组,該模组具多個半導體 晶片,晶片接附至於該散熱器和多個該额外晶片載體模 組上之半導體晶片表面之間的一上表面以及矽接著劑 上。 40. —種處理系統,包含: 一個外殼裝置來容納該資訊處理系統之多個零組件; 多個電源供應器裝置來操作該資訊處理系統; -18- 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) (請先閱讀背面之注意事項再填寫本頁) .裝- 訂. 六、申請專利範圍 組件包含用來定義CPU,RAM,以及I/O處理器之組 件,並且包含具多個外露之半導體晶片表面; 一個或多個電路化之電路板基底内封於該外殼裝置内, 並且包含匯流排裝置,用以該CPU,RAM以及I/O處理器 之間的傳訊; 於多個該組件和電路化基底之間的電連接合; 多個散熱器; 在多個該半導體表面與多個該散熱器之間的矽接著劑; 於多個該電路化基底和該基底與該電源供應器裝置之間 的多個電連接而形成一資訊處理系統。 41. 如申請專利範圍第4 0項之系統,進一步包括: 在該外殼上之一開口上的風扇用來增強周園空氣的循環 通過該外殼。 42. 如申請專利範圍第4 0項之系統,其中該金屬製散熱器基 體係僅能由鋁及銅中選擇。 43. —種晶片載體模組,包含: 一配線表面具一個電路接合之圖形; 一半導體晶片,其上有一具電連接之鏡像圖形的一個第 一表面; 經濟部中央標準局員工消費合作社印製 (请先閎讀^西之注意事項再填寫本頁) 多個電連接點在該配線表面上之多個該連接圖形與該第 一表面上之一個連接處圖形之間延伸; 一種有機封裹材料位於環繞多個該連接圖形四周之該半 導體晶片和該配線表面之間的空間; 可撓性環氧樹脂連接於該半導體晶片之一個第二表面與 -19 - 本紙張尺度適用中國國家標準(CNS ) A4» ( 2丨0X297公釐) 六、申請專利範圍 一散熱器之間。 44. 如申請專利範圍第43項之模組,其中: 該可撓性環氧樹脂其玻璃轉換溫度(Tg)小於25°C並且在 25°C下其揚氏係數低於100,000 psi。 45. 如申請專利範園第43項之模組,其中: 多個導電之熱塑劑連接該半導體晶片與該配線表面; 接合處圖形四周之該封裹材料包含環繞該導電之熱塑性 接著劑沈積的一種介電熱塑性接著劑; 該配線表面為一硬式有機基底的一個面; 該硬式有機基底包含内部充滿軸向堅硬纖維;. 該軸向堅硬纖維包含編織之玻璃纖維; 可撓性環氧樹脂接著劑填充入該散熱器與該配線表面之 間的空間; 該散熱器包含銅;並且 該銅質散熱器之一接合面鍍上路金屬。 。46.如申請專利範圍第43項之模組,其中: 該配線表面為一可燒性電路板之該表面,包含; 一層或多層圖形化金屬膜之配線層包含金屬#片以及連 接至多個該墊片之連接點; 經濟部中央標準局員工消費合作社印製 (請先閱讀背面之注意事項再填寫本頁) 兩層或多層有機介電膜隔開並且覆蓋該金屬膜,在其中 的一層介電膜具視窗其覆蓋著該配線層而外露一或多個 該金屬藝片; 該半導體晶片四周該配線表面和該散熱器的空間内充滿 一種環氧樹脂接著劑; -20- 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) 六、申請專利範圍 該散熱器包含鋁金屬;並且 一該鋁質散熱器接合面鍍面經過陽極處理。 47. 如申請專利範圍第43項之模組,其中: 該配線表面為一金屬化陶瓷基質表面; 該散熱器包含銘金屬;並且 一銘接合面經粗縫化處理。 48. 如申請專利範圍第43項之模組,其中: 該散熱器包含銘金屬;並且 該銘質散熱器之一接合面鏟上路酸鹽轉化層。 49. 一種晶片載體模組,包含: 一具有配線表面及接附表面之配線基底,並且有一視窗 穿過該基底而該配線表面上之導線接合墊片在該視窗 上; • 一具有一接合面之散熱器疊置於該配線基底之接附表面 上; 一半導體晶片一前侧與一後侧一具有多個導線接合墊 片; 一可撓性環氧樹脂接著劑在該半導體晶片背面與多個該 散熱器個別的視窗之間; 經濟部中央標準局員工消費合作社印製 (請先閱讀背面之注意事項再填寫本頁) 多組結合導線位於該半導體晶片前侧表面上之多個導線 結合墊片與多個該視窗配線表面上之導線結合墊片之 間; 一種有機封裹材料包裹該結合導線與該晶片前侧表面。 50. 如申請專利範圍第49項之模組,其中: -21- 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) 經濟部中央標準局員工消費合作社印製 A8 B8 C8 D8 ΤΓ、申請專利範圍 該配線基底包含一層或多層金屬膜,其被兩層或多層有 機介電膜隔離及覆蓋; 該第一有機接著劑包含矽接著劑; 該第一有機接著劑包含可撓性環氧樹脂接著劑。 51. —種晶片載體模組,包含: 一半導體晶片連接至一基底之第一表面; 可撓性環氧樹脂位於該基底之第二表面及一散熱器之 間。 52. 如申請專利範圍第5 1項之模組,其中: 該半導體晶片是一導線結合晶片,其背侧結合至該基底 上; 該導線結合晶片是以可撓性環氧樹脂結合至基底上; 該散熱器為一金屬;並且 該基底基本上是一陶瓷基底。 53. —種電路板組合體,包含: 一電路化之電路板基底,其上具有一配線表面,而此表 面有一多個該連接處墊片之圖形; 一個半導體晶片之第一表面具有一連接處墊片之圖形, 其對應至該有機基底上之多個接合墊片上; 多個電連接點在該半導體晶片第一表面上之多個該接合 •墊片與該有機基底上之多個接合整片之向延伸; 一種有機封裹材料位於環繞多個該電連接四周之該配線 表面和該半導體晶片之第一表面之間的空間; 可撓性環氧樹脂接著劑位於該半導體晶片之一個第二表 -22- 本紙張尺度適用中國國家標準(CNS ) Α4規格(210Χ297公釐) (請先閱讀背面之注意事項再填寫本頁) -裝- 訂 經濟部中央標隼局員工消費合作社印製 A8 ' B8 C8 D8 六、申請專利範圍 面與一散熱器之間。 54. —種電路板組合體,包含: 一電路化有機電路板基底; 一連接至該電路板基底之晶片載體模組其上具有一個與 該電路板基底反侧之第一表面; 可撓性環氧樹脂接著劑位於多個該半導體晶片與該散熱 器之接合表面之間。 55. 如申請專利範圍第54項之組合體,其中: 多個晶片載體.模組連接至該有機電路板基底之配線表面 上; 可捷性環氧樹脂接著劑將多個該晶片載體模組上之該散 熱器與多個半導體晶片表面結合。 56. —種資訊處理系統,包含: . 一個外殼裝置來包含該資訊處理系統之零組件; 該外殼内一個電源供應器; 多個組件包含用來定義CPU,RAM,以及I/O處理器之 组件,並且包含具多個外露之半導體晶片表面; 於外殼内有一個或多個電路化之電路板基底連接至該電 源供應器,並且包含匯流排裝置用以在該CPU,RAM以及 I/O處理器之間傳輸訊號; 於多個該電路化基底和多個該模組之間的多個焊接點; 多個散熱器置於多個該模組上;並且 在多個該半導體表面與多個該散熱器之間的可撓性環氧 樹脂接著劑。 -23- 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) (請先閱讀背面之注意事項再填寫本頁) -裝-申請專利範園 5入如申請專利範園第56項之系統,其中: 過Si進—步包含一風扇,用來增強周圍空氣的循環通 58·—種製作晶片載體模組的方法,包含: 提供配線表面; 电連接夕個半導體晶片之第—表面至—具接合 線表面上; 以:種有機材料封裹多個該半導體晶片與該配線表面之 間,每一個別之電連接圖形四周的空間; 沈1一種尚未完全凝固之有機接著劑於多個該半導體晶 片的第一表面與多個散熱器之間,其破璃轉換溫度約等 於或小於25 C且至少具有3 00 psi之抗拉強度; 將多個該散熱器分別與半導體晶片壓合;並且 加熱以固化該有機接著劑。 59. 如申請專利範園第43項之模组,其中: 該可撓性環氧樹脂其玻璃轉換溫度小於i 〇。c。 60. 如申請專利範圍第43項之模组,其中·· 該可撓性環氧樹脂其玻璃轉換溫度小於〇c>c。 61. 如申請專利範圍第4 3項之模组,其中: 該可撓性環氧樹脂在25。(:下其揚氏係數低於5〇,〇〇〇 p s i ° 62. 如申請專利範圍第4 3項之模組,其中: 該可撓性環氧樹脂在25°C下其揚氏係數低於2〇,〇〇〇 p s i ° -24- 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) l·裝! (請先閱讀背面之注意事項再填寫本頁) 訂 經濟部申夬標隼局員工消費合作社印製 經濟部中央標準局員工消費合作社印製 C8 —- ____ D8 六、申請專利^ ' ' -- 63·如申請專利範園第43項之模组,其中: 該配線層與該半導體晶“電連接包含多個金屬塾片及 接合點,而該接合點包含該倒接式晶片上金屬墊片與該 配線表面上金屬墊片之間的多個焊接點。 64·如申請專利範園第43項之模組,其中: 連接额外的多個半導體晶片至該配線表面,以及位於該 散熱器與該額外多個半導體間的該可捷性環氧樹脂之 上。 65.如申請專利範園第43項之模组,其中: 該配線表片為一金屬化陶瓷基質的表面。 66_如申請專利範圍第43項之模組,其中: 該可撓性環氧樹脂接著劑層之厚度約為2至4千分之一 英吋。 67. 如申請專利範圍第43項之模組,其中: 該封裹材料包括一環氧樹脂。 68. 如申請專利範園第43項之模組,其中: p亥配在表面上之同形環氧樹脂鍍層園繞於該倒接式晶 片四周,其厚度等同於該倒接式晶片。 69. 如申請專利範園第6 8項之模組,其中·· 沈積可撓性環氧樹脂於該散熱器與該同形鍍層之間。 70. 如申請專利範園第4 3項之模组,其中: 孩可撓性環氧樹脂接著劑内部充滿二氧化鋁陶瓷顆粒。 71. 如申請專利範圍第4 3項之模组,其中: 該石夕接著劑内部充滿鋁金屬顆粒。 25· i紙張尺度適用中國國家榇準(CNS )八4胁(210X297公釐)~~----- t請先聞讀背面之注意事項存填寫本頁) .装. 訂 六、申請專利範圍 A8 B8 C8 D8 72. 如申請專利範圍第4 3項之模組,其中: 該可撓性環氧樹脂接著劑為一種單成分之接著劑。 73. 如申請專利範圍第43項之模組,其中: 該散熱器包含銅和以一鍍鎳的散熱器接合面。 74. 如申請專利範圍第6 8項之模組,其中: •該鍍鎳接合面鍍以氨基矽烷或環氧樹脂矽烷。 ' :"~一 --------—裝 I-Γ!.II ,玎------^0 (請先閱讀背面之注意事項再填寫本頁) 經濟部中央標準局員工消費合作社印製 -26- 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐)
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CN110429070A (zh) * | 2019-07-03 | 2019-11-08 | 惠州市乾野微纳电子有限公司 | 可双面散热的功率元件 |
TWI740579B (zh) * | 2020-07-06 | 2021-09-21 | 大陸商慶鼎精密電子(淮安)有限公司 | 電路板及其製備方法、背光板 |
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- 1997-04-25 KR KR1019970015491A patent/KR100268205B1/ko not_active IP Right Cessation
- 1997-05-06 EP EP97303096A patent/EP0817253A3/en not_active Withdrawn
- 1997-06-23 JP JP16599897A patent/JP3201975B2/ja not_active Expired - Fee Related
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1998
- 1998-06-10 US US09/094,401 patent/US6069023A/en not_active Expired - Lifetime
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CN102956576A (zh) * | 2011-08-29 | 2013-03-06 | 奇鋐科技股份有限公司 | 散热装置及其制造方法 |
CN102956576B (zh) * | 2011-08-29 | 2015-12-02 | 奇鋐科技股份有限公司 | 散热装置及其制造方法 |
CN110429070A (zh) * | 2019-07-03 | 2019-11-08 | 惠州市乾野微纳电子有限公司 | 可双面散热的功率元件 |
CN110429070B (zh) * | 2019-07-03 | 2024-05-28 | 无锡市乾野微纳科技有限公司 | 可双面散热的功率元件 |
TWI740579B (zh) * | 2020-07-06 | 2021-09-21 | 大陸商慶鼎精密電子(淮安)有限公司 | 電路板及其製備方法、背光板 |
Also Published As
Publication number | Publication date |
---|---|
JP3201975B2 (ja) | 2001-08-27 |
KR100268205B1 (ko) | 2000-10-16 |
US6251707B1 (en) | 2001-06-26 |
US6069023A (en) | 2000-05-30 |
JPH1070141A (ja) | 1998-03-10 |
EP0817253A3 (en) | 1998-12-23 |
KR980006192A (ko) | 1998-03-30 |
EP0817253A2 (en) | 1998-01-07 |
US5847929A (en) | 1998-12-08 |
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