TW462125B - Semiconductor device and manufacturing method therefor - Google Patents
Semiconductor device and manufacturing method therefor Download PDFInfo
- Publication number
- TW462125B TW462125B TW89106465A TW89106465A TW462125B TW 462125 B TW462125 B TW 462125B TW 89106465 A TW89106465 A TW 89106465A TW 89106465 A TW89106465 A TW 89106465A TW 462125 B TW462125 B TW 462125B
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- Prior art keywords
- layer
- semiconductor
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- substrate
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 207
- 238000004519 manufacturing process Methods 0.000 title claims description 27
- 239000000758 substrate Substances 0.000 claims abstract description 205
- 238000000034 method Methods 0.000 claims abstract description 27
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- 238000009413 insulation Methods 0.000 claims description 32
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 229910052814 silicon oxide Inorganic materials 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
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Classifications
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- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
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- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/065—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L27/00
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Description
經濟部智慧財產局員工消t合作社印製 6 2 12 5 A7 _B7 五、發明說明(1 ) 發明背景: 發明領域: 本發明係關於一種半導體裝置及其製造方法,其中半 導體基體上之多層膜及電線層使用固態接合技術被接合在 一起。特別是,關於減小輻射雜訊。 習知技藝之敘述: 在半導體裝置之領域中,已知一種用於消除雜訊之電 磁雜訊遮蔽,其中導電材料以包住方式施加至半導體基體 上之電線層的周圍,例如日本公開專利Η - 5 _ 47767所揭示。 由日本公開專利Η- 5 — 4 7 9 4 3可知類比/數位 混合半導體裝置中之此構造,其中在交叉點遮蔽線擺設於 易遭受雜訊的高頻數位信號線與類比信號線之間,且遮蔽 線擺設作爲上與下層,且擺設在類比信號線之側面上。 在上述習知技術中,相同半導體基體上之電線經由具 有導電材料之絕緣體被包住,以避免輻射雜訊之效果。此 構造可有效避免在相同半導體基體上發生輻射雜訊。 然而,如果欲避免發生多層半導體基體上之輻射雜訊 ,不可直接使用上述構造。 特別是,使用多層半導體基體,需要多層膜形成處理 。使用增加數目層的多層膜,多層膜之表面變得不規則增 加,使得喪失平面平滑性。如果層之數目進一步增加,膜 表面變得更不規則,導致在處理的過程中易發生線破裂。 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公« ) I I I I I I — — — — — — — ^ ills — — — — — — — — <請先閲讀背面之注意Ϋ項再ΐ,^本頁) ~ 4 - 462125 A7 B7 經濟部智慧財產局負工消費合作社印製 五、發明說明(2 ) 此表示在形成上述遮蔽時會遭遇困難。 如果欲在半導體裝置中達成較高的操作速度,需要減 小電線之長度(以增加密度)並使用較接近直電線之電線 。亦即,由於隨著操作速度增加,輻射程度較高,需要採 取措施以對抗輻射雜訊,減小電線之長度(以增加密度) 並使用較接近直電線之電線。 這是關於半導體基體之裝置構造,需要考慮包圍裝置 構造之接地層、電源層與電線層,嚐試增加半導體基體之 操作速度。 發明節要: 所以,本發明之目的在於提供一種新穎半導體裝置及 用於製造新穎半導體裝置之方法,其中可減小接線之長度 ,使用較接近直電線之電線,採取措施對抗輻射雜訊。 在一觀點中,本發明提供一種半導體裝置,半導體裝 置中各載有半導體元件之許多半導體基體被接合在一起, 其中絕緣層置於各半導體基體上,形成一連接層通過絕緣 層以連接至半導體元件上之電線層,且其中導電材料之導 電層藉對齊連接線而成型以形成開口,導電層形成在至少 一個半導體基體之接面表面上。半導體基體被接合在一起 ’以相互連接各半導體基體上所形成的連接電線。 在另一觀點中,本發明提供一種用於製造半導體裝置 之方法,半導體裝置中各載有半導體元件之許多半導體基 體被接合在一起,此方法包含以下步驟:沈積一絕緣層於 本紙張尺度適用中國國家標準<CNS)A4規格(210 X 297公釐) 11 -- ----1111 —— — — — — — --11---"5^ (請先閱讀背面之注意事項#-垓寫本頁> -5- 經濟部智慧財產局員工消费合作社印製 6 2 1 2 5 A7 __B7 五、發明說明(3 ) 半導體基體上並形成一連接電線連接至絕緣層中半導體元 件的電線層;形成導電材料的導電層,具有藉對齊連接電 線之成型而形成的開口,在至少一許多半導體基體的接面 表面上:平滑各半導體基體之接面表面;及從彼此放置的 半導體基體之兩側施加一壓縮負載,以相互連接半導體基 體及相互連接各半導體基體中所形成之連接電線。 依據本發明,電線電極與接地電極被提供在載有半導 體元件之各半導體基體上。絕緣層與作爲導電層之接地層 依此順序設置於各半導體基體之表面上。一開口被鑽口在 絕緣層及接地層中,且接地層電極與接地層經由充入開口 中的導電材料而彼此電氣連接。由多層形成的半導體基體 之表面被平面化及平滑化。兩個半導體基體之平面化表面 被放置成相向且彼此對齊。如此對齊的半導體基體藉施加 負載而彼此接合。 藉此技術,亦即形成一接地層於兩個基體之間,由半 導體基體上之各別元件所產生的輻射雜訊被接地層吸收, 而由相對側半導體基體上各元件所產生的輻射雜訊類似地 被接地層吸收,使得接地層可消除在半導體基體上之半導 體元件上的往復效果。由於共同的接地層被提供於兩個基 體之間,可經由開口而作用三維的接地連接,以減小接地 電線長度。 另一種方式,接地層與電源層,共同至兩個半導體基 體,被提供在兩個半導體基體之間。亦即,電線電極、接 地電極與電源電極被提供在載有半導體元件之半導體基體 本紙張尺度適用中0國家標準(CNS)A4規格(210 X 297公* ) --------------裝--------訂---------線 (锖先Μ讀背面之注意事項再资寫本頁) -6 - A7 B7 五'發明說明(4 ) (請先閱讀背面之注意事項再莩寫本頁) 上 ' 絕緣層、接地層與絕緣層依序形成在半導體基體之表 面上’且開口形成在絕緣層、接地層與絕緣層中。導電構 件放置於開口中。接地層被電氣連接至接地電極。其中一 個開口中的導電構件被連接至電源電極,而其餘開口中的 導電構件被連接至電線電極。接地電線層、電源電線層與 通孔電線被一絕緣體電氣絕緣,接著被表面拋光= 在載有半導體元件之相對側半導體基體上,提供一電 線電極、一接地電極及一電源電極,而一絕緣層與一電源 層依序形成在基體表面上。形成開口在絕緣層與電源層中 ’且導電構件放置於開口中。接地層被電氣連接至接地電 極。其中一個開口中的導電構件被電氣連接至電源電線, 而其餘開口中的導電構件被連接至電線電極。接地電線層 、電源電線層與通孔電線被一絕緣體電氣絕緣,接著被表 面拋光。兩個基體以彼此面向且對齊的方式放置,使得電 線層、接地層與電源電線彼此對齊,且從基體的兩個施加 負載。 經濟部智慧財產局員工消f合作社印製 由於用於接地之接地層及作爲兩個基體的各別元件之 電源的電源層被提供於基體之間,可有效地減小電線長度 ,而可藉接地層來吸收由其中一個半導體基體所產生的_ 射雜訊。 本發明於是提供一種配置,其中接地層與電源層被夾 在兩個基體之間,當基體被接合在一起。於是,提供機構 用於減小電線且禁止來自兩個基體之輻射雜訊的往復干擾 本紙張尺度適用中囲S家標準(CNS)A4規格<210 X 297公釐) -7- 462125 A7 B7 經濟部智慧財產局員工消費合作社印製 五、發明說明(5 ) 依據如上所述之本發明,由於導電層(接地層)被提 供在各載有半導體元件的第一與第二基體之間,來自第一 基體上的半導體元件之輻射雜訊可被遮蔽,而不會影響第 二基體上的半導體元件。而且,第一與第二基體之間的信 號傳輸,可藉著提供在夾於第一與第二基體之間的接地層 中之連接電線(通孔電線)而實現。 如果作爲用電源層之導體層,被提供在平行於導體層 延伸的各第一與第二基體上,操作爲一接地層,這些導體 層可作用爲經過通孔之第一與第二基體的電源,於是改善 效率。 而且,在依據本發明的製造方法中,來自分開的處理 ,載有半導體元件之第一與第二基體,藉固態接合技術被 接合在一起》於是,包含具有不同功能的半導體基體之多 層基體可被簡單地製造,於是確保有效率的製造。 圖形之簡要敘述: 圖1是一剖面圖,指出依據本發明的半導體裝置之實 施例,且特別地指出在統一連接之前的狀態。 圖2是一剖面圖,指出圖1之半導體裝置連接與統一 的狀態。 圖3是一剖面圖,指出依據本發明的半導體裝置之另 一個實施例,且特別地指出在統一連接之前的狀態。 圖4是一剖面圖|指出圖3之半導體裝置連接與統一 的狀態。 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) -----1!!_ 裝 ------- 訂·! •線 (請先閲讀背面之注意事項再壎寫本頁) -8- 462125 A7 B7五、發明說明(ό ) 圖5是一剖面圖,指出依據本發明的半導體裝置之另 外一個實施例,且特別地指出在統一連接之前的狀態。 圖6是一剖面圖,指出圖5之半導體裝置連接與統一 的狀態。 圖7是一圖形,指出對一外部驅動電路的連接構造。 圖8是一圖形,指出對一外部驅動電路的另一連接構 造。 圖9 A至9 G是剖面圖,一步步地指出固態接合之製 造處理。 圖1 0A至10 I是剖面圖,一步步地指出固態接合 之另一製造處理。 圖1 1是一圖形,指出作爲應用的平坦面板電腦。 圖1 2是一圖形,指出藉晶片上晶片(chip-on-chip ) ,相互連接不同規格之L S I的系統L S I相互連接處理 — — ill.------裝---II---訂 --------線 (請先閱讀背面之注項再婕寫本頁) 經濟部智慧財產局員工消费合作社印製 主要元件符號說明: 1 半導體基體 2 半導體基體 3 電線層 4 電線層 5 連接電線 6 連接電線 7 絕緣層 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公|ί ) -9- 經濟部智慧財產局員工消費合作社印製 6212 5 五、發明說明(7 ) 8 絕緣 層 9 接地 電 線 層 1 0 接 地 電 線 層 1 1 絕 緣 層 1 2 絕 緣 材 料 1 3 絕 緣 材 料 1 4 通 孔 1 5 通 孔 1 6 通 孔 1 7 通 孔 1 8 通 孔 1 9 通 孔 2 0 電 源 電 線 層 2 1 第 一 半 導 體基體 21a 矽基底 2 1b 蝕刻停止層 21c 裝置層 22 第二半導體基體 31 虛擬基體 較佳實施例之敘述: 參見圖形,將詳細說明依據本發明之半導體裝置的構 造與其製造方法之較佳實施例。 圖1與2指出實施本發明之半導體裝置的特徵。在本 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) --^--J- — I ----i I --------訂-----1 (請先閱讀背面之注意事項再ir寫本頁) -10- 經濟部智慧財產局員工消費合作社印製 4 6 2 12 5 A7 _____B7 五、發明說明(8 ) 實施例中’一對各載有半導體元件之半導體基體1,2被 彼此連接。 在基體1 ,2上形成電線層3,4,分別作爲半導體 元件相互連接。在這裡稱爲通孔的開口中,擺設稱爲通孔 電線之連接電線5,6 °通孔電線5,6亦稱爲插頭,經 由擺設於孔中的導電構件而非所謂的通孔電線,可確保電 氣連接。 在基體1 ’ 2上設置絕緣層7,8。通孔電線5,6 是藉著充電分別形成於這些絕緣層7,8中的通孔1 4, 1 5中的導電材料而形成的。 在絕緣層7,8上設置接地電線層9,1 0,分別由 導電金屬材料做成。 接地電線層9,1 0各做成連續不間斷的圖案,除了 分別連接至形成於絕緣層7,8中的通孔1 4 * 1 5之通 孔1 6 ’ 1 7被鑽成大致分別對齊通孔電線5,6 同時,通孔16,17之直徑稍大於通孔14 , 15 ’以相對於通孔7,8形成間隙°在此間隙中嵌入絕緣材 料12 ’ 13以確保接地電線層9,10與通孔電線5, 6之間的絕緣。所以’通孔1 6,1 7之尺寸最好做成不 引起絕緣材料1 2,1 3之介電崩潰,此絕緣材料1 2, 1 3嵌入於接地電線層9,1 0與通孔電線5,6之間的 間隙中。 在上述造形中,通孔1 4首先藉著光石印處理、薄膜 形成處理與去除處理被鑽孔於基體中。在通孔1 4中形成 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) — I-裝 ------ - 訂 ----I ---線 (請先閱讀背面之注意事項再璩寫本頁) -11 - 經濟部智慧財產局員工消費合作社印製 6212 5 A7 -------B7 _ 五、發明說明(9 ) 通孔電線5 ’如圖1所示用光石印處理與去除處理.然後 具有通孔16之接地電線層9形成於絕緣層7上,且通孔 電線5亦形成於通孔16中。 然後絕緣材料12形成於接地電線層9與通孔電線5 之間,接著表面拋光。 在基體2上,類似地形成絕緣層8、接地電線層1 0 '通孔1 5、絕緣材料1 3與通孔電線6,接著表面拋光 基體1 ,2被放置成彼此對齊,使得接地電線層9, 1 〇彼此面對。然後從基體1 ,2的兩側放置負載。 藉著放置的負載,基體1 ,2彼此連接,通孔電線5 ’ 6與接地電線層9,10彼此接合。在連接之後,確保 通孔電線5,6之間與接地電線層9,1 0之間的電氣連 接。同時,接地電線層9,10分別被電氣連接至基體1 之未示的接地電極,且電氣連接至基體2之未示的接地電 極。 在本實施例中,矽氧化物膜被使用作爲絕緣層7,8 ,而銅被使用作爲接地電線層9,10與通孔電線5,6 。而且,矽氧化物膜被使用作爲絕緣材料1 2,1 3。亦 可使用鋁氧化物膜或矽氮化物,用於絕緣層7,8及用於 絕緣材料1且可使用金或錯用於接地電線層9 ,1 0及用 於通孔電線5,6。 圖3與4指出一造形,其中接地電線層只形成於各載 有半導體元件之成對的基體1,2之基體1上。 本紙張尺度適用中國國家標準(CNS〉A4規格(210 X 297公釐) 11--- - - - - - --- - ^ illl — Ι— — — — m — (請先閱讀背面之注意事項再€κ本頁) -12- 4 經濟部智慧財產局員工消費合作社印製 6 2 12 5 A7 ______B7 五、發明說明) 在基體1 ,2上形成電線層3,4作爲半導體裝置之 相互連接。形成於通孔中的通孔電線5,6分別被電氣連 接至這些電線層3,4,如同先前的實施例。 在基體1與2上分別形成絕緣層7,8。藉著充電分 別形成於這些絕緣層7,8中的通孔1 4,1 5中之導電 材料’而形成通孔電線5,6 = 只在基體1上,藉著在絕緣層7上做成一層,形成例 如由導電金屬材料做成的接地電線層9。接地電線層9大 致做成連續的圖案,除了連接至形成於絕緣層7中的通孔 1 4之開口(通孔)1 6,被鑽孔成與通孔電線5對齊。 同時,形成通孔1 6稍大於通孔1 4。絕緣材料1 2 埋藏於通孔電線5與通孔1 6的外周之間的間隙中,以確 保接地電線層9與通孔電線5之間的絕緣。 在上述造形中,首先通孔1 4形成於基體1中,使用 光石印處理、薄膜形成處理與去除處理。然後通孔電線5 形成於通孔1 4中’如圖3所示使用光石印處理與去除處 理。然後在絕緣層7上,形成具有通孔1 6之接地電線層 9,其中亦形成通孔電線5 = 在接地電線層9與通孔電線5之間形成絕緣材料,接 著表面拋光。 絕緣層8、通孔1 5與通孔電線6被類似地形成,接 著表面拋光。 所製成的基體1 ’ 2被放置成彼此對齊,使得接地電 線層9與絕緣層8將彼此面對,且從基體1 ,2的兩側放 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) — II--: — 丨 — — ------I 11111 訂 *lllf 111 · *5^ (請先《讀背面之注意事項再壎寫本頁) -13- 4 6212 5 A7 -- -B7__ 五、發明說明(11 ) 置一負載。 藉著放置的負載,基體1 ,2彼此連接,通孔電線5 ’ 6與接地電線層9,10彼此接合。在連接之後,確保 通孔電線5,6之間的電氣連接。同時,接地電線層9被 電氣連接至基體1之未示的接地電極。 在本實施例中,矽氧化物膜、銅、矽氧化物膜與銅分 別被使用作爲絕緣層7,8、接地電線層9、通孔電線5 ’ 6與絕緣材料1 2。亦可使用鋁氧化物膜及矽氮化物用 於絕緣層7,8及用於絕緣材料1 2,且可使用金或鋁用 於接地電極層9及_用於通孔電線5,6 » 圖5與6指出一造形,其中一電源電線層形成於載有 半導體元件之成對的基體1,2之基體1上,且其中接地 電線層形成於相對側基體2上。 在基體1,2上形成電線層3,4分別作爲半導體裝 置之相互連接。形成於通孔1 4,1 5中的通孔電線5, 6分別被電氣連接至這些電線層3,4,如同先前的實施 例。 在基體1與2上放置絕緣層7,8。藉著充電分別形 成於這些絕緣層7,8中的通孔1 4,1 5中之導電材料 ,而形成通孔電線5,6。 只在基體2上,藉著在絕緣層8上做成一層’形成例 如由導電金屬材料做成的接地電線層1 0 « 接地電線層1 0大致做成連續的圖案,除了連接至形 成於絕緣層8中的通孔1 5之開口(通孔)1 7 ’形成與 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) !-'11!11 48^ I I ! 11 I 訂 11 ! I I — - <請先閱讀背面之注意事項再f本頁) 經濟部智慧財產局員工消费合作社印製 -14- 12 5 A7 B7 五、發明說明(〗2 ) 通孔電線6對齊。 同時,形成通孔17稍大於通孔15。絕緣材料13 埋藏於通孔電線6與通孔1 7的外周之間的間隙中,以確 保接地電線層1 0與通孔電線6之間的絕緣。 至於相對側基體1 ,絕緣層被做成多層’且〜電源電 線層2 0被擺設於絕緣層7,1 1之間。 — 在電源電線層2 0與絕緣層1 1中’分別形成通孔 18,19。通孔電線5通過這些通孔18 ’ 19。絕緣 材料1 2被嵌入於間隙中,以確保電源電線層2 0與通孔 電線5之間的電氣絕緣。 在上述造形中,首先通孔1 4形成於基體1中,使用 光石印處理、薄膜形成處理與去除處理。然後通孔電線5 形成於通孔1 4中,如圖5所示使用光石印處理與去除處 理。然後在絕緣層7上,形成具有通孔1 8之電源電線層 2 0,及具有通孔1 9之絕緣層1 1。在通孔1 8,. 1 9 中,亦形成通孔電線5。 在電源電線層2 0與通孔電線5之間形成絕緣材料 1 2,接著表面拋光。 絕緣層8、通孔1 5與通孔電線6被類似地形成,接 著表面抛光。 所製成的基體1 ,2被放置成彼此對齊,使得接地電 線層1 0與絕緣層1 1將彼此面對,且從基體1,2的兩 側放置一負載。 藉著放置的負載,基體1,2彼此連接,通孔電線5 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) 請 先 閲 讀 背 面 之 注 意 事 項 再 4 · I裝 頁 訂 經濟部智慧財產局貝工消t合作社印製 -15- 經濟部智慧財產局員工消費合作社印製 462125 A7 -—-__B7 五、發明說明(13 ) ’ 6彼此接合,且絕緣層1 1與接地電線層1 〇亦類似地 彼此接合。 在上述各造形中,可使用例行地使用於半導體裝置中 用於連接至一外部驅動電路之適當的方法。 例如’在指出包含半導體晶片A與半導體晶片B結合 在一起的半導體裝置的圖7中,滿足半導體晶片卢之外尺 寸4S定爲大於半導體晶片b之外尺寸,且連接電線w被電 線接合至暴露在半導體晶片A之接面表面的連接墊P。須 注意圖7所示之半導體裝置之構造表示於圖2,4與6中 ’且半導體晶片A.與B各包含半導體基體,如上所述其上 形成絕緣層與可變的電線層。 另一種方式,半導體晶片A與B可以是相同尺寸*且 連接電線W可被接合至形成在半導體晶片B之背側上的連 接墊P。在此情形中,墊P需經一通孔電線被電氣地連接 至半導體晶片B之預置電線層,或電氣地連接至暴露於半 導體晶片A之接面表面的電線層。 以下說明上述構造的半導體裝置之製造方法。 製造方法利用固態接合。所使用的處理舉例爲圖9所 示之處理及圖1 0所示之處理= 圖9指出藉不均勻裝置基體之固態接合的製造方法。 在此製造方法中,例如SO I基體之第一半導體基體2 1 被製備爲如圖9 A所示。 藉著在矽基底2 1 a上形成一蝕刻停止層2 1 b與裝 置層21c而做成此半導體基體21。裝置層21c被蝕 本紙張尺度適用中國國家標準<CNS)A4規格(210 X 297公釐) I ^---T —-------裝·----— I I 訂---— III — <請先《讀背面之注意事項再坩寫本頁) -16- 462125 A7 B7 經濟部智慧財產局員工消费合作社印製 五、發明說明(Μ ) 刻成如圖9 B所示的半導體晶片。 然後,例如載有電線之電線基體或不均勻裝置基體之 半導體基體,藉固態接合被接合在裝置層2 1 c上,如圖 9 C所示。 固態接合利用一現象,其中如果兩個晶圓表面彼此靠 近,穩定的陣列凹陷以產原子間吸力,且其中如果到達某 v 一距離,吸力等於在塊狀中之吸力最後導致接合。固態接 合具有一優點,不需要使用黏著劑或加熱。 在金屬之情形藉由氧化,或藉由有機材料之吸收,實 際固體材料的表面被穩定化。於是,單純的接觸不足以產 生連接。然而,如果藉例如氬原子之惰性原子來移除穩定 的表面層以暴露不穩定且活性的表面,可以實現完全符合 接合之原理的固態接合。 所以,在上述固態接合中,平滑接面表面與表面活性 化是不可缺少的。 圖9 D指出一狀態,其中第二半導體基體2 2被接合 至第一半導體基體2 1。第一半導體基體2 1之矽基底 2 1 a被蝕刻掉,如圖9 E所示。然後蝕刻停止層2 1 b 被蝕刻掉如圖9 F所示1以完成三維積體電路。 最後,三維積體電路被切割而做成半導體晶片,形成 預定尺寸之半導體裝置。 圖1 0指出使用虛擬基體之方法。此方法是與圖9之 處理相同,直到裝置層21c之蝕刻(圖10B)。 在此方法中’裝置層2 1 c是藉由蝕刻而形成’且一 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) — — — — PI — — — — ——^aJ1— — — — —— — — (請先閲讀背面之注f項再埔寫本頁) -17- 經濟部智慧財產局員工消費合作社印製 ^6212 5 at ___ B7 五、發明說明(15 ) 虛擬基體3 1放置於其上且接合於位置中(圖1 〇 C至 10D)。第一半導體基體2 1上之矽基底2 la被蝕刻 掉(圖10E)。然後蝕刻停止層21b被蝕刻掉,如圖 1 0 F所示。 以此方式’只有裝置層2 1 c留在虛擬基體上。然後 所得到的組件以固態接合被接合在第二半導體基體2 2上 ’例如一電線基體或一不均勻裝置基體。藉此步驟,裝置 層2 1 c被形成在第二半導體基體2 2上。 最後,虛擬基體3 1被剝落,如圖1 Ο Η所示,且在 虛線的位置被切割’以完成如圖10I示的三維積體電路 〇 前述是一粗略的製造方法。以下說明製造具有接地電 線層之半導體裝置的製造方法。 製造方法的特例1 在本實施例中,兩個各載有半導體元件之半導體基體 ,藉以下處理步驟彼此連接: (1 ) 一步驟’事先提供一電線電極於第一半導體基體上 y (2 ) —步驟,依序放置一絕緣層與一接地層於第一基體 上,且鑽出通孔,此通孔連接至絕緣層與接地層中之電線 電極; (3 )—步驟,在通孔中形成一通孔電線,用於電氣連接 至電線電極; 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) — — — — — — — ^ — — — — — — —--^ I, {請先閱讀背面之沒意事項再硪寫本頁) -18- ^62125 A7 B7 五 、發明說明(16 (4 ) 之間, 一步驟 形成一 —步驟 一步驟 ,在接地層與接地層中的通孔中之通孔電線 絕緣體; ,平滑第一基體的主要表面; T事先取出第二半導體基體上之電線電極; (7 ) 體基體 之電線 (8 ) 電氣連 (9 ) 之間, (10 (11 與第二 (12 (13 地層。 一步驟,依序放置一絕緣層與一接地層於第二半導 上’且形成通孔,此通孔連接至絕緣層與/接地層中 電極; 一步驟,形成通孔中之通孔電線,用於電線電極之 接; —步驟,在接地層與接地層中的通孔中之通孔電線 形成一絕緣體; )一步驟,平滑第二半導體基體之表面; )一步驟,放置第一與第二半導體基體,使得第一 半導體基體之接地層與通孔電線彼此面對; )從基體之兩側施加壓縮負載;及 )在壓縮負載下電氣地且機械地連接通孔電線與接 — — — — — — *1111111 — I <請先閱讀背面之注意事項Λν-填寫本頁> 經濟部智慧財產局員工消費合作社印繫 製造方法的特例2 在本實施例中,兩個各載有半導體元件之半導體基體 ,藉以下處理步驟彼此連接: (1 ) 一步驟,事先提供一電線電極於第一半導體基體上 f (2 ) —步驟,依序放置一絕緣層與一接地層於第一基體 本紙張尺度適用t國國家標準(CNS)A4規格(210 X 297公i ) -19- Λα 經濟部智慧財產局貝工消费合作社印製 6212 5 A7 ____B7 五、發明說明(17 ) 上,且鑽出通孔,此通孔連接至絕緣層與接地層中之電線 電極; (3 ) —步驟,在通孔中形成一通孔電線,用於電氣連接 至電線電極: (4 )—步驟,在接地層與接地層中的通孔中之通孔電線 之間,形成一絕緣體; (5 ) —步驟,平滑第一基體的主要表面; (6 ) —步驟,事先提供第二半導體基體上之電線電極; (7 ) —步驟,放置一絕緣層於第二半導體基體上,且形 成通孔,此通孔連接至絕緣層中之電線電極; (8 ) —步驟,形成通孔中之通孔電線,用於電氣連接至 電線電極: (9 ) 一步驟,平滑第二半導體基體之表面: (1 0 ) —步驟,放置第一與第二半導體基體,使得第一 與第二半導體基體之通孔電線彼此面對,且使得第一基體 之接地層將面向第二基體之絕緣層; (1 1 )從兩個基體之兩側施加壓縮負載;及 (1 2 )在壓縮負載下,電氣地連接通孔電線在一起,且 彼此機械地連接第一基體的絕緣層與第二基體的絕緣層。 製造方法的特例3 在本實施例中,兩個各載有半導體元件之半導體基體 ,藉以下處理步驟彼此連接: (1 ) 一步驟,事先取出第一半導體基體上之電線電極; 本紙張尺度適用中國國家標準(CNS)A4規格(210 * 297公釐) — — — — ^ — — — 1 — — — — i I 111 — I ^ ·1111111 — <請先閱讀背面之注意事項寫本買) -20- 4 62 1 2 5 經濟部智慧財產局員工消费合作社印製 A7 B7 五、發明說明(ΐδ ) (2 ) —步驟,依序放置一絕緣層、—接地層與另一絕緣 層於第一基體上,且鑽出通孔,此通孔連接至絕緣層、接 地層與另—絕緣層中之電線電極; (3 ) ~步驟,在通孔中形成一通孔電線,用於電氣連接 至電線電極; (4 ) ~步驟,在接地層與接地層中的通孔中之通孔電線 之間,形成一絕緣體; (5 ) —步驟,平滑第一基體的主要表面: (6 ) ~步驟,事先取出第二半導體基體上之電線電極; (7 ) —步驟,依序放置一絕緣層與一電源層於第二半導 體基體上,且形成通孔,此通孔連接至絕緣層與電源層中 之電線電極; (8 ) —步驟,在通孔中形成通孔電線,用於電氣連接至 電線電極; (9 ) 一步驟,在電源層與電源層中的通孔電線之間,形 成一絕緣體; (1 0 )平滑第二半導體基體之表面; (1 1 ) 一步驟,放置第一與第二半導體基體彼此對齊, 使得第一與第二半導體基體中之通孔電線彼此面對,且第 一與第二半導體基體之絕緣層與電源層彼此面對: (1 2 )從基體之兩側施加壓縮負載;及 (1 3 )在壓縮負載下,電氣地連接通孔電線,且機械地 連接絕緣層與電源層。 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐〉 - ----;1!!11裝!| 訂-! !1!線 (請先Μ讀背面之注意事項再填寫本頁> -21 - 4 62 彳 2 5 經濟部智慧財產局員工消費合作社印製 A7 B7 五、發明說明(19 ) 製造方法的特例4 在本實施例中,兩個各載有半導體元件之半導體基體 ,藉以下處理步驟彼此連接: (1 ) 一步驟,取出第一基體上之電線電極與接地電極: (2 )依序放置一絕緣層與一接地層於第一基體上,且形 成通孔 '此通孔連接至絕緣層中之接地電極; (3 )在通孔中形成一通孔接地電線,電氣連接至接地電 極; (4)平滑第一基體的表面; (5 )事先取出第二半導體基體上之接地電極; (6 )依序放置一絕緣層與一接地層於第二半導體基體上 ,且形成通孔,此通孔連接至絕緣層中之接地電極; (7 )在通孔中形成通孔接地電線,電氣地連接至接地電 極; (8 )平滑另一半導體基體之表面: (9 )放置第一與第二半導體基體彼此對齊,使得第一與 第二半導體基體之接地層彼此面對: (1 0 )從基體之兩側施加壓縮負載:及 (1 1 )在壓縮負載下電氣地且機械地連接接地層。 製造方法的特例5 在本實施例中,兩個各載有半導體元件之半導體基體 ,藉以下處理步驟彼此連接: (1 )—步驟,事先取出第一半導體基體上之接地電極; 本紙張尺度適用中國Β家標準(CNS)A4規格(210 X 297公釐〉 11 I I ( I ! — ! SilJ * I I ! ! t ·! — 11! *^^ (請先閱讀背面之注意Ϋ項再壙寫本頁) -22- 經濟部智慧財產局具工消費合作社印製 62125 A7 __B7 五、發明說明(20 ) (2 ) —步驟,依序放置一絕緣層與一接地層於第一基體 上,且鑽出通孔,此通孔連接至絕緣層中之接地電極: (3 ) —步驟,在通孔中形成一通孔接地電線,用於電氣 連接至接地電極; (4 ) 一步驟,平滑第一基體的表面; (5 )—步驟,事先取出第二半導體基體上之接_地電極; (6 ) —步驟,在第二基體上形成一絕緣層,且形成通孔 ,此通孔連接至絕緣層中之接地電極; (7 )—步驟,在通孔中形成通孔接地電線,電氣連接至 接地電極; (8 ) —步驟,平滑第二半導體基體之表面; (9放置第一與第二半導體基體,使得第一與第二半導體 基體之接地層與通孔接地電線彼此面對: (1 0 )從基體之兩側施加壓縮負載;及 (1 1 )在壓縮負載下電氣地連接接地層與通孔接地電線 ,且機械地連接第一基體之接地層與第二基體之絕緣層。 製造方法的特例6 在本實施例中,兩個各載有半導體元件之半導體基體 ,藉以下處理步驟彼此連接: (1 ) 一步驟,事先取出第一半導體基體上之接地電極; (2 ) —步驟,依序放置一絕緣層與一接地層於第一基體 上,且鑽出通孔,此通孔連接至絕緣層中之接地電極: (3 ) —步驟,在通孔中形成一通孔接地電線,用於電氣 本紙張尺度適用中國國家標準(CNS>A4規格(210 X 297公釐) --------------裝-----— II 訂--------線 (請先閱讀背面之注意事項*趄寫本頁) -23- A7 4621 25 B7_ 五、發明說明(21 ) 連接至接地電極; (4 ) 一步驟,平滑第一基體的表面: (5 ) —步驟,放置另一絕緣層於接地層上: (6 )平滑第一基體之表面: (7 )取出第二半導體基體上之電源電極; (8 )放置一絕緣層於第二半導體基體上,且形成通孔, 此通孔連接至絕緣層中之電源電極; (9 ) 一步驟,在通孔中形成通孔電源電線,用於電氣連 接至電源電極; (1 0 ) —步驟,·平滑第二半導體基體之表面; (1 1 )放置一電源層,用於電氣連接至第二半導體基體 上之通孔電源電線; (1 2 )放置第一與第二半導體基體彼此對齊,使得第一 與第二半導體基體之絕緣層與電源層彼此面對: (1 3 )從基體之兩側施加壓縮負載;及 (1 4 )在壓縮負載下機械地連接絕緣層與電源層。 製造方法的特例7 在本實施例中,兩個各載有半導體元件之半導體基體 ,藉以下處理步驟彼此連接: (1 )事先取出第一半導體基體上之電線電極、接地電極 與電源電極; (2 )依序放置一絕緣層 ' —接地層與另一絕緣層於第一 基體上,且形成通孔,此通孔連接至絕緣層、接地層與另 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) — — — — — — — — — —---裝------ 訂-!I!-線 (請先《讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消費合作社印製 -24- 經濟部智慧財產局員工消費合作社印製 Α7 Β7__ 五、發明說明(22 ) 一絕緣層中之電源電極; (3 )在通孔中形成一通孔電源電線,用於電氣連接至電 源電極; (4 )—步驟,在通孔電源電線與絕緣層、接地層及另一 絕緣層中的通孔之周壁之間,形成一絕緣體; (5)—步驟,平滑第一基體的表面; — (6 ) —步驟,取出第二半導體基體上之電源電極; (7 )依序放置一絕緣層與一接地層於第二半導體基體上 ,且形成通孔,此通孔連接至絕緣層與電源層中之電源電 極; (8 )在該通孔中形成通孔電源電線,電氣連接至電源電 極; (9 ) 一步驟,平滑第二半導體基體之表面; (1 0 ) —步驟,放置第一與第二半導體基體彼此對齊, 使得第一與第二半導體基體上之通孔電源電線彼此面對, 且使得第一與第二半導體基體上之絕緣層與電源層彼此面 對; (1 1 )從兩個基體之兩側施加壓縮負載;及 (1 2 )在壓縮負載下電氣地連接通孔電源電線’且機械 地連接絕緣層與電源層。 製造方法的特例8 在特例1的製造方法中’與取出電線之步驟平行,執 行以下步驟: 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公笼) 丨^---------|_裝------訂--------線 (請先閲讀背面之注意事項再填寫本買) -25- 經濟部智慧財產局員工消費合作社印製 4 6 2 1 2 5 A7 ___B7___ 五、發明說明(23 ) (1 ) 一步驟,事先取出第一半導體基體上之接地電極: (2 ) —步驟,放置一絕緣層於第一基體上,且形成通孔 ’此通孔連接至絕緣層中之接地電極; (3 ) —步驟,在通孔中形成一通孔接地電線,電氣地連 接接地電極; (4 ) 一步驟,形成一接地層*電氣地連接至絕緣層上之 通孔接地電線: (5 ) —步驟,平滑其中一個基體的表面; (6 ) —步驟,事先取出第二半導體基體上之接地電極; (7 )—步驟,放置一絕緣層於第二半導體基體上,且形 成通孔,此通孔連接至絕緣層中之接地電極; (8 )形成通孔接地電線,電氣地連接至第二基體中之通 孔中的接地電極; (9 )形成一接地層,電氣地連接至絕緣層上的通孔接地 電線。 雖然以上已說明製造方法的某些特定例子,應注意這 些特例只是用於說明,在本發明之範圍內可做成許多不同 的修改。 現在說明本發明之應用的一個例子。 使用本發明之半導體裝置,可實現高度集積的三維積 體電路,其可用於達成以下優點: a )電線層與裝置層被擺設成兩個分開的層,以藉著電線 層的分開而實現產量的提昇; b )由於藉多層結合在一起而實現裝置層,實現類比/數 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) IT"-------I I ^ — — — — — —---111^. (請先閲讀背面之注意事項再域寫本頁) -26- 經濟部智慧財產局員工消费合作社印製 62125 A7 ____B7_ 五、發明說明(24 ) 位分開及導致加速; C )由於放置兩個裝置層,可實現類比/數位分開及導致 高操作速度; d )由於光學裝置元件被接合至一矽基體,一光學裝置可 被安裝至一電子基體; e )藉著接合至半導體基體,可實現化合物基體/ 藉固態接合之半導體裝置的造形可被球形地分類1視 做成使用晶圓印模(晶片)接合之型式的連接造形,與做 成使用晶圓對晶圓接合之型式的連接造形而定。 前者之例子爲例如圖1 1所示之平坦面板電腦。 在此平坦面板電腦中,負載在印刷電路板上之可變 L S I被直接接合至玻璃基體,以平坦面板本身作爲一可 攜式電腦。 在圖1 1所示的實施例中,顯示單元42、CPU 43、記憶體(RAM) 44、記憶體(ROM) 45與 輸入/輸出L S I 4 6直接被接合至一玻璃基體4 1。 圖1 2指出藉晶片上晶片方式接合l S I之例子, L S I晶片5 2被分開地接合在一晶圓5 1上。本實施例 指出一藉L S I之系統L S I實施技術。以本例子,不需 要置於中間的基體’使得可改善性能,藉著不使用L S I 上之緩衝器。 後者之例子爲晶圓位準的三維多層裝置,電線層接合 L S I ’取得在接合電線層部份上,藉系統l s I而相互 連接功能區塊(SOC) ’接合封裝部份在晶圓位準上的 本紙張尺度適用中國國家標準(CNS>A4規格(210 X 297公釐) II - - — — — — 1— ιί — ·1111111 ·1111!111 (請先閱讀背面之注意ί項再螻寫本頁) -27- 462125 A7 _B7 五、發明說明(25 ) L S I上之構造,及新穎高密度模組基體,能減小基體與 L S I之間的間隙。 在此兩種情形中,可實現高功能的L S I ,使得可實 .現三維積體電路,超過平面細微技術的臨界。 -----Ί 1------裝---ill 訂---I!-線 (請先閲讀背面之注意事項再壤寫本頁) 經濟部智慧財產局員工消費合作社印製 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) -28-
Claims (1)
- 4 6 2 1 2 5 A8 BS C8 D8 六、申請專利範圍 i 、一種半導體裝置,各載有半導體元件之許多半導 體基體被接合在一起,其中: ---------等 (請先閲讀背面之注意事項再填声 一絕緣層被放置在各半導體基體上,形成一連接電線 通過該絕緣層,用於連接至該半導體元件上之電線層;且 其中: 由導電材料製成的導電層'藉著與該連接電線對齊而 成型以具有一開口,被形成在至少一個半導體基體之接面 表面上; 該半導體基體被接合在一起,以相互連接在各半導體 基體上所形成之連接電線。 訂 2、 如申請專利範圍第1項之半導體裝置,其中: 該半導體基體藉固態接合技術被接合在一起。 3、 如申請專利範圍第1項之半導體裝置,其中: 一導電層形成在欲被接合在一起的成對半導體基體之 接面表面上,且其中: 線 金屬材料構成被接合在一起之這些導電層。 經濟部智慧財產局R工消費合作社印製 4、 如申請專利範圍第1項之半導體裝置,其中: 一導電層形成於欲被接合在一起的成對半導體基體的 其中之一之接面表面上,且其中: 被接合在一起之相對側半導體基體是導電層與絕緣層 0 5、 如申請專利範圍第4項之半導體裝置,其中: 導電層放置於兩個絕綠層之間。 6、 如申請專利範圍第1項之半導體裝置,其中: 本紙張尺度逋用中國國家標準(CNS ) A4規格(210X297公釐) -29- 經濟部智慧財產局員工消費合作社印製 Α8 B8 C8 D8 々、申請專利範圍 該導電層操作爲一接地層。 7、 如申請專利範圍第1項之半導體裝置,其中: 該導電層操作爲一電源層= 8、 如申請專利範圍第1項之半導體裝置,其中: 該導電層被電氣地連接至半導體元件。 9、 如申請專利範圍第1項之半導體裝置\其中: 形成於該導電層中的開口之內直徑大於形成在該絕緣 層中的開口之內直徑。 1 〇、如申請專利範圍第9項之半導體裝置',其中: 接面表面上彼此連接的連接電線與導電層絕緣,藉著 將絕緣材料嵌入於該導電層中的開口中。 1 1 ' 一種製造半導體裝置之方法,在此半導體裝置 中各載有半導體元件之許多半導體基體被接合在一起,此 方法包含以下步驟: 放置一絕緣層於一半導體基體上,且形成一連接電線 ,連接至該絕緣層中之半導體元件的電線層; 形成導電材料製成的導電層,在許多半導體基體的至 少其中之一之接面表面上具有一開口,藉對齊該連接電線 之成型而形成; 平滑各半導體基體之接面表面;及 從彼此放置的半導體基體之兩側施加一壓縮負載,以 相互連接半導體基體及相互連接形成於各半導體基體中的 連接電線。 本紙張尺度適用中國國家揉率(CNS ) A4規格(210X297公釐) ---------^------1T------0 (請先閱讀背面之注意事項再填¢.,¾ ) -30-
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US6465892B1 (en) | 2002-10-15 |
FR2792458A1 (fr) | 2000-10-20 |
FR2792458B1 (fr) | 2005-06-24 |
JP3532788B2 (ja) | 2004-05-31 |
DE10018358A1 (de) | 2000-10-26 |
DE10018358B4 (de) | 2008-05-21 |
US6472293B2 (en) | 2002-10-29 |
KR100773615B1 (ko) | 2007-11-05 |
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JP2000299379A (ja) | 2000-10-24 |
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