TWI229694B - Dual cure B-stageable adhesive for die attach - Google Patents

Dual cure B-stageable adhesive for die attach Download PDF

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Publication number
TWI229694B
TWI229694B TW91136235A TW91136235A TWI229694B TW I229694 B TWI229694 B TW I229694B TW 91136235 A TW91136235 A TW 91136235A TW 91136235 A TW91136235 A TW 91136235A TW I229694 B TWI229694 B TW I229694B
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TW
Taiwan
Prior art keywords
composition
adhesive
curing
substrate
formula
Prior art date
Application number
TW91136235A
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English (en)
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TW200304936A (en
Inventor
Kevin Harris Becker
Harry Richard Kuder
Original Assignee
Nat Starch Chem Invest
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Publication of TW200304936A publication Critical patent/TW200304936A/zh
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Publication of TWI229694B publication Critical patent/TWI229694B/zh

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    • H—ELECTRICITY
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    • 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
    • H01L24/83—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 layer connector
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
    • C08G59/4007—Curing agents not provided for by the groups C08G59/42 - C08G59/66
    • C08G59/4014—Nitrogen containing compounds
    • C08G59/4042—Imines; Imides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
    • C08J3/243—Two or more independent types of crosslinking for one or more polymers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Die Bonding (AREA)
  • Electric Connection Of Electric Components To Printed Circuits (AREA)

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1229694 玖、發明說明： 【發明領域】 本發明有關各種可B級作業之組合物，適合用於將半 導體晶片黏附於基質。該等組合物含有二分開固化之化學 性質〇 【發明背景】 在一種半導體封裝類型中，半導體小片或晶片係予電 連接，並用黏著劑機械式黏合於基質〇該基質依次連接於 其他電子元件或一外部電源〇該項製作可於連續之一系列 步驟中進行，或者可用該黏著劑使該基質準備進行機械式 黏附，然後持留至遲些時候〇 當在連續之一系列步驟中進行該項製作時，將該黏著 劑沉積於基質上，使半導體晶片與該黏著劑接觸，並施加 熱、或熱及壓力將該黏著劑固化〇合宜之黏著劑可爲不含 溶劑之液體及糊或者固體〇若爲液體或糊之形式，則該黏 著劑藉熱之施加兼予固化及硬化〇 若該製作程序將在黏著劑沉積至基質後中切斷而最終 裝配件予持留至遲些時候，則該黏著劑必須爲固體形式俾 成功儲存〇固體黏著劑提供滲開少或無，且對黏接線厚度 及黏接線傾斜有更佳控制之優點，而黏接線乃晶片與黏著 劑間之界面〇 對於一些半導體封裝應用而言，糊狀黏著劑因製程上 理由優於膜黏著劑，然卻需要黏接線及固體之邊線控制〇 此一情況下，可使用一種稱爲可B級作業之黏著劑。若起 始黏著劑物質爲固體，則該固體予分散或溶解於溶劑內以 1229694 形成糊，並將該糊塗敷於基質。然後將該黏著劑加熱以蒸 發溶劑，而在基質上留下未固化之固體黏著劑。若起始黏 著劑物質爲液體或糊，則該黏著劑予配施於基質上並加熱 將黏著劑部份固化至固態〇在製作中此級段之熱施加稱爲 B級作業，而該黏著劑爲可B級作業〇 雖然上述固體黏著劑有各項優點，但亦有缺點。在B 級作業後及儲存期間，固體黏著劑易自周圍條件下之空氣 ，或自基質尤其有機基質譬如BT樹脂、印刷電路板或聚醯 亞胺撓性基質吸收水分〇該等黏著劑可能亦含有一定位準 之殘餘溶劑或其他揮發物。 在高黏附溫度時，所吸收水分及殘餘揮發物質均將迅 速蒸發〇若此蒸發現象之發生較蒸氣擴散離開黏著劑快速 ，則黏著劑內出現孔隙或氣泡且會成爲黏著劑之最終失效 源頭〇此造成對於可B級作業但不促成孔隙形成之可固化 組合物之需求〇 【本發明綜述】 本發明爲一種包含二化學組合物之黏著劑，具有充份 間隔之固化溫度或固化溫度範圍以容許具有較低固化溫度 之組合物（以下稱第一組合物）固化，而不將具有較高固 化溫度之組合物（以下稱第二組合物）固化〇實作中，第 一組合物將在B級作業程序期間固化，而第二組合物可留 置不予固化直到需要最終固化譬如在將半導體晶片最終黏 附於基質時爲止〇完全固化之物質係經交聯或聚合至一有 效提供其結構完整性之充份高之分子量〇 1229694 【本發明詳述】 第一及第二組合物各爲一或更多單體性、一或更多寡 聚性、或一或更多聚合性化合物或樹脂、或其組合形式， 彼等共同反應以聚合或交聯〇聚合及交聯二者均稱作固化 〇該等組合物一般而言在單體性、寡聚性、或聚合性物種 之外將含有一固化劑或固化起發劑，且可隨意含有一溶劑 〇在本說明書及申請專利範圍內，該第一及第二組合物之 組合形式將予稱作總體可B級作業黏著劑。 該第一組合物將包含一液體或者溶解或分散於溶劑內 之固體〇該第二組合物將在室溫時爲固體或半固體物質， 可分散或溶解於該液態第一組合物內或第一組合物所用之 相同或相容溶劑內。該第一及第二組合物之選用將部份由 該半導體晶片完成對其基質之最終交連之溫度予以確定〇 舉例言之，若最終交連係用錫一鉛共熔焊料完成，則 焊料熔化及交連發生於183 eC之溫度。該黏著劑之最終固 化應於焊料塊流動後迅速出現，且可發生於焊料軟熔溫度 或更高之溫度〇結果，在此情況下，該第二組合物將予選 定成具有接近或等於183 °C或稍高之固化溫度。若使用聚 合性交連物質，則該第二組合物將予選定成具有等於或接 近聚合性交連固化溫度之固化溫度0若線黏接乃最終之黏 附方法，則該第二組合物將予選定成具有等於或接近線黏 接用溫度之固化溫度0 該第一組合物之選用爲使其將在該第二組合物之固化 溫度前及在完成晶片對基質之最終交連之溫度前固化〇該 1229694 第一及第二組合物之固化溫度可間隔任何有效提供二種不 同固化輪廓之度數，以使該第二組合物不於該第一組合物 之固化溫度或固化溫度範圍內固化。該第二組合物在B級 作業程序期間之不顯著固化作用爲可容忍〇在一較佳具體 形式中，該第一及第二組合物之固化溫度將間隔至少30 °C 〇 典型上，B級作業加熱，亦即第一組合物固化作用， 出現於約1〇〇 °C至150 °c之溫度範圍內。所用之任何溶劑 均應選定成在與第一組合物固化作用相同之溫度範圍內蒸 發〇在B級作業程序期間固化該第一組合物並蒸發溶劑將 使該總體黏著劑組合物硬化並在最終黏附程序期間抑制孔 隙形成，因其成爲固體時將保留夠高之模數或熔體黏滯度 以拘束黏接線並防止黏著劑內之蒸氣相膨脹〇固化後，該 第一組合物必須能於半導體晶片之最終黏附溫度增黏或軟 化〇所得之已固化物質可爲線性、稍許分支、或輕度交聯 之聚合物〇 當加熱至適當之半導體晶片黏附溫度時，該總體黏著 劑組合物應熔融且充份流動以完全潤濕基質表面〇有效之 潤濕造成良好之黏性〇 固化程序可藉照射（譬如用紫外線）起動及推進B級 作業第一階段固化，而後最終固化則藉由熱，或者B級作 業及最終固化二者均可藉熱予以起動及推進〇 該第一及第二組合物將以5:95至95: 5之摩爾比存在， 而可由實作者就特定之終用途予以確定〇該總體可B級作 4 1229694 業黏著劑之第一與第二組合物之組合形式包括： 第一：可熱固化之丙嫌酸化合物，譬如Sartomer公司 出售者，具有自由基固化劑〇第二：可熱固化之環氧基化 合物或樹脂，譬如National Starch 、CIBA、Sumitomo 或 Dainippon公司出售者，具有潛在胺或咪唑固化劑。 第一：可輻射固化之環脂族環氧基化合物，譬如CIBA CY179 ，具有光起發劑。第二：可熱固化之芳香族環氧基 化合物，譬如雙酚A雙環氧化物，具有酚性硬化劑及膦基 底之固化劑。 第一：可輻射固化之丙烯酸化合物，譬如Sarto me r公 司出售者，具有光起發劑〇第二：可熱固化之環氧基化合 物，譬如 National Starch 、 CIBA、 Sumitomo或 Dainipp- 〇 n公司出售者，具有潛在胺或咪唑固化劑〇 第一：熱起發式可自由基固化之雙順丁烯二醯亞胺化 合物（電子受體），Ciba專業化學或National Starch公 司出售者，具有（電子供體）乙烯醚、乙烯基矽烷、苯乙 烯式化合物、苯丙烯基化合物。第二：可熱固化之環氧基 4 匕合物，譬如 National Starch 、 CIBA、 Sumitomo 或 Dai- nippori公司出售者，具有潛在胺或咪唑固化劑。 除上述環氧基化合物外，進一步之合宜環氧樹脂實例 包括雙酚-A及雙酚-F之單官能及多官能去水甘油醚、脂肪 族及芳香族環氧基化合物、飽和及不飽和環氧基化合物、 環脂族環氧樹脂、以及該等之組合形式0雙酚-A型樹脂可 以 EP0N 828 購自 Resolution Technology 公司。雙酚-F 環 1229694 氧樹脂可藉一摩爾之雙酚-F樹脂與二摩爾之環氧氯丙烷反 應予製備。雙酚-F型樹脂亦可以型號8230E購自新澤西州 Maple Shade鎮之CVC專業化學公司，及以型號RSL1739 購自Resolution Performance產物有限公司。雙酚-A與雙 酚-F之攙合物可以型號ZX-1059購自Nippon化學公司。 另一合宜之環氧樹脂爲酚醛樹脂，係藉酚性樹脂與環 氧氯丙烷反應予以製備。較佳之環氧基酚醛樹脂爲（聚苯 基去水甘油醚）-共-甲醛。其他合宜之環氧樹脂爲聯苯環 氧樹脂，通常藉聯苯樹脂與環氧氯丙烷反應予以製備；二 環戊二烯一酚環氧樹脂；萘樹脂；環氧基官能性丁二烯丙 烯腈共聚物；環氧基官能性聚二甲基矽氧烷；以及以上之 混合物0 亦可使用非去水甘油醚環氧化物〇合宜之實例包括3 , 4-環氧基環己基甲基-3,4_環氧基環己烷羧酸鹽，含有構 成環結構一部份之二個環氧化物基團及一酯鍵，•乙烯基環 己烷二氧化物，含有二個環氧化物基團而其中之一構成環 結構之一部份，· 3,4_環氧基甲基環己基甲基-3,4_環 氧基環己烷羧酸鹽；以及二環戊二烯二氧化物0 進一步之合宜環氧基化合物實例包括： 丫。34’
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p° 除該等可自市面購得者外，環氧基化合物之一合宜咪 唑觸媒爲咪唑一酐加成物◦形成該加成物之較佳咪唑包括 非Ν-取代之咪唑，譬如2-苯基甲基咪唑、2_苯基咪唑 、及咪唑〇該加成物之其他有用之咪唑成份包括烷基取代 之咪唑、Ν-取代之咪唑、及該等之混合物。 形成該加成物之較佳酐爲環脂族酐，譬如苯四甲酸二 酐，可以PMDA購自Aldrich公司〇其他合宜之酐包括甲基 六氫駄酸酐（可以 MHHPA 購自 Lonza Inc· Intermediates and Actives )、甲基四氫酞酸酐、納迪酸甲基酐、六氫 酞酸酐、四氫®太酸酐、酞酸酐、十二烷基琥珀酸酐、聯苯 二酐、二苯甲酮四甲酸二酐、及該等之混合物〇 二較佳之加成物爲1份1，2, 4, 5-苯四甲酸二酐與4份 2-苯基-4-甲基咪唑之錯合物及1份1,2,4,5-苯四甲酸二 1229694 酐與2份2-苯基-4-甲基咪唑之錯合物。該等加成物係於 熱之下將各成份溶於一合宜之溶劑譬如丙酮內予以製備〇 該加成物於冷卻時沉澱出〇此等加成物係以任，何有效之量 使用，但較佳爲以該組合物中有機物質重量之1 %至20 % 之量存在〇 用於順丁烯二醯亞胺之合宜苯丙烯基供體實例包括··
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其中C3 6代表一由亞油酸及油酸所衍生具有36個碳之線性或 有支鏈烷基。 用於順丁嫌二_亞胺之合宜苯乙嫌式供體實例包括· 1229694
其中c3 6代表一由亞油酸及油酸所衍生具有36個碳之線性或 有支鏈烷基。 固化劑譬如自由基起發劑、熱起發劑及光起發劑將以 有效將該組合物固化之量存在〇 —般而言，該等用量範圍 將爲該組合物中總有機物質（亦即不包括任何無機填料） 重量之〇·1 %至30%，較佳爲1 %至2〇%〇實際之固化輪 廓將隨成份改變且可由實施者加以確定而無需過當之實驗 該等可固化組合物可包含非傳導性或者電或熱傳導个生 填料0合宜之非傳導性填料爲輕石、雲母、砂灰石、碳酸 鈣、氧化钛、砂、玻璃、熔凝矽石、燻矽石、硫酸鋇、以 1229694 及鹵化乙烯聚合物譬如四氟乙烯、三氟乙烯、雙氟亞乙烯 、氟乙烯、雙氯亞乙烯、及氯乙烯〇合宜之傳導性填料爲 碳黑、石墨、金、銀、銅、鉑、鈀、鎳、鋁、碳化矽、鑽 石、及礬土 〇若予使用，填料之存在量一般將高至配方重 量之9 8 % 〇 可利用溶劑飾變該組合物之黏滯度，而若予使用則應 選擇使其等在B級段加熱期間蒸發〇典型上，B級段加熱 將發生於約低於150 °C之溫度。可利用之溶劑實例包括酿 、酯、醇、醚、及其他安定並溶解各組合物成份之常見溶 劑0較佳之溶劑包括7 丁內酯、丙嗣、甲基乙基嗣、及丙 二醇甲基乙基乙酸酯〇 在另一具體形式中，本發明爲一種將半導體晶片黏附 於基質之方法，包含在該基質上沉積一包含一如前述具有 較低固化溫度之第一組合物以及一如前述具有較高固化溫 度之第二組合物之可B級作業可固化組合物；將該基質及 黏著劑加熱至該第一組合物之固化溫度以固化該組合物； 使該黏著劑與半導體晶片接觸；以及將該基質、黏著劑及 半導體晶片加熱至該第二組合物之固化溫度以固化該組合 物〇 在一進一步具體形式中，本發明爲一種包含一供半導 體晶片或小片用之基質及一沉積於該基質上之可B級作業 黏著劑之裝配件，該可B級作業黏著劑包含一如前述具有 較低固化溫度之第一組合物以及一如前述具有較高固化溫 度之第二組合物，特徵爲該第一組合物已完全固化。 -10- 1229694 板上並加熱至120 °C達一小時（B級作業）〇此溫度足以 蒸發溶劑及完全固化配方Α及配方Β中之順丁烯二醯亞胺 〇於120 °C用500克之力將一 80 X 80密耳氧化鋁小片置於 該B級作業黏著劑上達一秒鐘，並將該配方於175 eC烘箱 內加熱60分鐘以完全固化該環氧基化合物〇固化後，於25 C及245 °C用Dage 2400-PC小片剪切試驗機以90度將該小 片剪離引線框〇各項結果以千克力報告於下表，並顯示具 有二種不同固化集合物之配方A及配方B提供優越之.黏著 强度。
片剪切强度 對照組_配方A 配方B 25eC 12·0千克 18.5千克 21.4千克 245 eC 〇·8千克 2.9千克 3.1千克 進一步測試該對照組及配方Α在經熱及濕度調理後之 小片剪切强度。將各配方分配於鋁板上並於120 °C加熱一 小時（B級作業），以蒸發溶劑及完全固化配方A中之順 丁烯二醯亞胺。於120 °C用500克之力將一 80X80密耳氧 化鋁小片置於該黏著劑上達一秒鐘，並將該配方於1 7 5 *〇 烘箱內固化60分鐘以完全固化該環氧基化合物。然後，使 已固化之裝配件接受85 eC / 85 %相對濕度達48小時，其後 於25°C及245 °C用Dage 24〇0-PC小片剪切試驗機以9〇度將 該小片剪離引線框。各項結果以千克力報告於下表，並顯 示配方A提供優越之結果〇
小片剪切强麻_對照組_配方A 14.1千克 7.4千克
2 5〇C 1229694 245 β〇 〇·8千克 1.9千克 該對照組與配方Α及配方Β以目視觀察孔隙形成。將 每一配方分配於一空（無焊料遮罩）BT基質上，並於120 °C加熱一小時將溶劑蒸發及完全固化配方A及配方B中之 順丁烯二醯亞胺。於120 °C用500克之力使一6毫米XII 毫米玻璃小片與該配方接觸一秒鐘0然後，將各裝配件於 1 7 5 °C加熱一小時以完全固化該環氧基化合物。在顯微鏡 下檢視每一小片與基質裝配件之孔隙形成〇約5 %之對照 組配方表面積含有孔隙〇對於配方A及B ，在10個樣本中 約有一個含有一單一孔隙〇此視爲小於1 %之孔隙形成。 進一步測試該等配方之耐濕性〇如於孔隙形成試驗中 ，將每一配方分配於一空（無焊料遮罩）BT基質上，並於 120 eC加熱一小時（B級作業）〇於120 °〇1用500克之力 使一 6毫米XII毫米玻璃小片與該配方接觸一秒鐘，並於 175 將各裝配件固化。然後以85°C及60%相對濕度將每 一裝配件調理196小時（JEDEC Level II)，之後使其受 到尖峰溫度爲260 °C之模擬焊料迴流溫度輪廓並觀察玻璃 小片自基質之層離作用〇(焊料迴流溫度係用以於一使用 焊料將半導體晶片黏附於其基質之製程中使焊料迴流之溫 度〇)含有對照組配方之裝配件在6個樣本中有4個層離 〇用配方A及配方B黏著之裝配件分別在1 2個及9個樣本 中不顯現層離作用。

Claims (1)

1229694 物及一第二組合物）之可B級作業黏著劑，具有充份間隔 之固化溫度或固化溫度範圍以容許具有較低固化溫度之組 合物（該第一組合物）固化，而不將具有較高固化溫度之 組合物（該第二組合物）固化； 將該基質及黏著劑加熱至該第一組合物之固化溫度 以固化該組合物； 使該黏著劑與半導體晶片接觸；以及 將該基質、黏著劑及半導體晶片加熱至該第二組合 物之固化溫度以固化該組合物〇 6· —種包含一供半導體晶片或小片用之基質及一沉積 於該基質上之可B級作業黏著劑之裝配件，該可B級作業 黏著劑包含二化學組合物（一第一組合物及一第二組合物 )，具有充份間隔之固化溫度或固化溫度範圍以容許具有 較低固化溫度之組合物（該第一組合物）固化，而不將具 有較高固化溫度之組合物固化，且特徵爲該第一組合物已 完全固化而該第二組合物未固化〇 1229694
L 【實例】 製備一具有一化學性質組合物之可固化對照組配方， 包含在卡必醇乙酸酯溶劑內之一雙酚A環氧樹脂、一彈性 體、一酚性硬化劑、及作爲觸媒之三苯基膦0 以約1至10之重量比例製備兼具有包含順丁烯二醯亞 胺之第一組合物及包含該對照組配方中環氧基化合物組合 物之第二組合物之二種本發明可固化配方，配方A及配方 B 〇配方A之順丁烯二醯亞胺組合物包含一雙順丁烯二醯 亞胺、一單順丁烯二醯亞胺、一具有下列結構之二官能性
及一過氧化物觸媒0配方B之順丁烯二醯亞胺組合物包含 一雙順丁烯二醯亞胺、一上示之二官能性供體、及一過氧 化物觸媒〇 該對照組與配方A及配方B用Rheometric Mk IV機械 式熱分析儀以3 °C/分鐘自25 eC升至300 eC測試動態抗拉 模數〇各項結果報告於下表並顯示該等二級段固化配方A 及配方B於較高溫度時具有優於對照組之模數〇 動態抗拉模數 對照組 __ 配方A 配方B 25 eC 1164 Mpa 953 Mpa 1080 Mpa 150 eC 3 . 6 Mpa 19.6 Mpa 53.0 Mpa 2 50 eC 1 Mpa 9.7 Mpa 15.2 Mpa 測試該三種配方之小片剪切强度〇將各配方分配於鋁 -11- L/ 1229694
專利範圍： ( 93.04.26.修正） 1·一種包含二化學組合物（一第一組合物及一第二組 合物）之可B級作業黏著劑， 其中該第一及第二組合物之固化溫度間隔30°C或更 多以容許具有較低固化溫度之組合物（該第一組合物）固 化，而不將具有較高固化溫度之組合物（該第二組合物） 固化，且 其中該第一組合物係由丙烯酸化合物或樹脂；環脂 族環氧基化合物或樹脂；雙順丁烯二醯亞胺化合物或樹脂 ;以及與乙烯醚、乙烯基矽烷、苯乙烯式或苯丙烯基化合 物或樹脂結合之雙順丁烯二醯亞胺化合物或樹脂所組成集 團中選出，而 其中該第二組合物爲環氧基化合物或樹脂，且 其中該第一及第二組合物係以5:95至95:5之摩爾比 存在〇 2 ·如申請專利範圍第1項之可B級作業黏著劑，其中 該第一及第二組合物係獨自藉輻射或熱予以固化。 3 ·如申請專利範圍第1項之可B級作業黏著劑，尙包 含一咪唑/酐加成物〇 4 ·如申請專利範圍第3項之可B級作業黏著劑，其中 該咪唑/酐加成物爲1份1，2,4,5-苯四甲酸二酐與4份2-苯基甲基咪唑之錯合物、或1份1,2,4,5-苯四甲酸二 酐與2份2-苯基-4-甲基咪唑之錯合物。 5· —種將半導體晶片黏附於基質之方法，包含： 在該基質上沉積一包含二化學組合物（一第一組合
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