TW544817B - Semiconductor device - Google Patents
Semiconductor device Download PDFInfo
- Publication number
- TW544817B TW544817B TW091107361A TW91107361A TW544817B TW 544817 B TW544817 B TW 544817B TW 091107361 A TW091107361 A TW 091107361A TW 91107361 A TW91107361 A TW 91107361A TW 544817 B TW544817 B TW 544817B
- Authority
- TW
- Taiwan
- Prior art keywords
- conductive layer
- connection pad
- pad
- connection
- patent application
- Prior art date
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 95
- 239000000758 substrate Substances 0.000 claims abstract description 30
- 239000010408 film Substances 0.000 claims description 67
- 235000012431 wafers Nutrition 0.000 claims description 36
- 230000015572 biosynthetic process Effects 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 28
- 238000007789 sealing Methods 0.000 claims description 26
- 239000003990 capacitor Substances 0.000 claims description 24
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 230000001939 inductive effect Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 239000010409 thin film Substances 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000003989 dielectric material Substances 0.000 claims description 3
- 238000000059 patterning Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 2
- 229910000679 solder Inorganic materials 0.000 description 32
- 230000001681 protective effect Effects 0.000 description 18
- 238000002161 passivation Methods 0.000 description 10
- 229920005989 resin Polymers 0.000 description 9
- 239000011347 resin Substances 0.000 description 9
- 238000003466 welding Methods 0.000 description 9
- 229920002120 photoresistant polymer Polymers 0.000 description 8
- 238000005476 soldering Methods 0.000 description 8
- 238000007639 printing Methods 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 229920005749 polyurethane resin Polymers 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 229910052581 Si3N4 Inorganic materials 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 238000001465 metallisation Methods 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 2
- 229910002113 barium titanate Inorganic materials 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000007772 electroless plating Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 238000010897 surface acoustic wave method Methods 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- OMIHGPLIXGGMJB-UHFFFAOYSA-N 7-oxabicyclo[4.1.0]hepta-1,3,5-triene Chemical compound C1=CC=C2OC2=C1 OMIHGPLIXGGMJB-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 1
Classifications
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Description
544817 五、發明說明(1) 祖關申請案對照 本申請書係根據和要求先前于2001年4月17日提出之 曰本專利申請書第200 1 - 1 1 8242號的優先權益,其全部的 內容將結合於此供參考。 發明背景 1 ·發明領域 本發明係關於一種具有CSP(晶粒尺寸封裝體)之半導體 裝置’其製造方法,及具有此半導體裝置之電子裝置。 2 ·祖關技術說明 具有在晶粒和封裝體尺寸上幾乎彼此相等之CSP結構 之光導體裝置,最近已被發表且被用以增加電路板之放置 密度。此結構之範例示於第1 6圖。第1 6圖爲半導體裝置 2〇之橫截面圖。該半導體裝置20具有一可以藉由切割成 晶粒而得到之所謂的晶圓級CSP結構,晶圓具有已經歷 包含保護膜形成步驟,導電層形成步驟,最終膜形成步驟 和樹脂封裝步驟之封裝製程。 半導體裝置20係由晶圓所形成的。提供電路組件之半 導體基板1的表面(電路表面側),具有許多由鋁電極或類 似材料所製成之連接墊2。在包含連接墊2的上表面之半 導體基板1的電路側之上,形成由氧化矽,氮化矽或類似 材*料所製成之鈍化膜(絕緣膜)3,然後使曝露各連接墊2 的中央。 在鈍化膜3的上表面之上,形成具有可以使曝露各連接 墊2的中央之開口之保護膜4。例如,保護膜4可以藉由 544817 五、發明說明(2 ) 將聚亞醯胺系樹脂應用到晶圓1的整個電路表面側之上, 固化樹脂,以蝕刻液執行光阻圖案製作和保護膜圖案製作 ’及去除光阻形成。 在以上述之方法所形成的保護膜4之上,形成電性連接 到連接墊2之導電層5。在導電層5之上的預定位置,形 成由圓柱狀電極所形成之焊接柱6。移除在各焊接柱6的 末端表面6a之上已自然形成的氧化物膜,然後施以金屬 化製程,如焊料印刷。焊接柱6係用以連接電路板上之端 點(未圖示)。桿接柱6的高度至少要5 0 # m,而典型約爲 100至150μ m。焊接柱6要形成直筒形,以吸收由於半 導體基板1和電路板之間熱膨脹係數差所產生之應力。 在焊接柱6之間之半導體基板1的整個表面側之上,形 成由樹脂,如聚亞醯胺或環氧樹脂,所製成之密封膜7。 由被動組件所形成之濾波器電路和天線組件,需要使用 具有上述晶圓級CPS結構之半導體裝置20實行RF收訊 電路模組,如藍芽模組成GPS接收模組。這些被動組件 並不能依傳統方式放置在晶片內部,及和離散零件一樣排 列在晶片外部。這使其很難以使模組更微小化。 在此RF電路模組中,零件間的導線長度會影響頻率特 性,且很難使其更短。因此,頻率特性很難再改善。 發明槪述 本發明具有一種優點,能夠在晶片上放置被動置件,如 天線組件和電容組件,或由它們所形成之被動電路,及微 小化在藉由將晶圓切成晶片而得到,且具有晶片和封裝體尺 544817 五、發明說明(3) 寸幾乎相同之c S P結構的半導體裝置之模組。本發明可 提供一種放置結構,其適合具有天線組件被放置在晶片上 之半導體裝置之電子裝置。 爲了達成上述之優點’根據本發明之半導體裝置包含: 第一圓柱狀電極,其至少電性連接位在半導體基板上之許 多連接墊當中的一個第一連接墊’其中半導體基板上有形 成電路組件形成區和許多連接墊;至少一個之第一導電層 ,其至少連接一個第二連接墊;密封膜’其至少繞著該第 一圓柱狀電極和在半導體基板上之該第一導電層形成;及 至少一個之第二導電層,其形成在該密封膜之上,以面對 該第一導電層。該面對面之第一和第二導電層,至少可以 形成一個被動組件,如電容組件。該半導體裝置還包含: 第二圓柱狀電極,其電性連接第二連接墊和連接第二導電 層;及第三圓柱狀電極,其至少電性連接一個第三連接墊 和連接第二導電層。藉由使用第二連接墊當作接地墊和第 三連接墊當作饋入墊,可以形成天線組件,如例F形天線 之被動組件。該半導體裝置進一步地包含:許多被動組件; 及第三導電層,其連接在被動組件之間且具有一薄膜被 動組件。被動組件和薄膜被動組件可以形成一被動電路, 如濾波器電路。 被動組件或電路可以形成在半導體基板的電路組件形成 區之上,且連接半導體基板的電路組件。使用此半導體元 件建構之模組可以被微小化。 在包含其上有依上述方式形成天線組件之半導體基板, 544817 五、發明說明(4) 和其上有放置半導體裝置和形成許多導線圖案之導線板的 電子裝置中,沒有在面對半導體裝置之第二導電層的導線 板區域中形成導線圖案,或是該區域係開口。以結構可以 抑制天線性能衰退,得到高輻射效率之無線電波。 爲了達成上述之優點,根據本發明之半導體裝置的製造 方法,在具有許多各自都有電路組件形成區之晶片形成區 和許多連接墊的半導體晶圓之各晶片形成區中,形成絕緣 膜。然後,第一圓柱狀電極至少電性連接在各晶片形成區 中的一個第一連接墊,且在該絕緣膜上形成第一導電層, 以至少連接一個第二連接墊。在於絕緣膜和第一導電層上 形成截封fl吴之後’在晶片形成區的密封膜之上’形成至少 有一個會面對第一導電層之第二導電層。在電路組件形成 區之上,形成被動組件,如天線組件或電容組件,或被動 電路,如濾波器電路。之後,將半導體晶圓基板切成個別 的晶片形成區。 此方法允許在電路組件形成區上,同時形成許多各自具 有被動組件或電路之半導體裝置。 圖式簡單說明 第1圖爲根據本發明的第一實施例之半導體裝置的結構 橫截面圖; 第2圖爲根據本發明的第一實施例,在半導體裝置的表 面側之結構的第一例平面圖; 第3圖爲根據本發明的第一實施例,在半導體裝置的表 面側之結構的第二例平面圖; 544817 五、發明說明(5) 第4圖至第9圖爲根據本發明的第一實施例,說明製造 步驟之橫截面圖; 第1 0圖爲根據本發明的第一實施例,將半導體裝置放 置在導線板上之結構的第一例橫截面圖; . 第1 1圖爲根據本發明的第一實施例,將半導體裝置放 置在導線板上之結構的第二例橫截面圖; 第1 2圖爲根據本發明的第一實施例之半導體裝置的另 一結構之橫截面圖; 第13A圖爲根據本發明的第二實施例之半導體裝置的 結構橫截面圖; 第1 3B圖爲根據本發明的第二實施例,將半導體裝置 放置在導線板上之形成的橫截面圖; 第13C圖爲根據本發明的第二實施例,在示於第13B 圖的放置形式中所形成之被動組件的連接範例平面圖; 第1 4圖爲根據本發明的第二實施例之半導體裝置的另 一結構之橫截面圖; 第1 5 A圖爲根據本發明的第二實施例,將半導體裝置 放置在導線板上之形式的橫截面圖; 第15B圖爲第15A圖之半導體裝置的表面側之平面圖; 第1 5C圖爲藉由修正第1 5A圖所形成之被動電路的結 構平面圖;及 第1 6圖爲具有CSP結構之傳統半導體裝置的結構橫截 面圖。 發J月詳細說明 544817 五、發明說明(6) 下面將參考幾個附圖詳細說明根據較佳實施例之半導體 裝置及製造方法。 <第一實施例> 第1圖爲根據本發明的第一實施例之半導體裝置200的 結構板截面圖。第2圖和第3圖爲移除焊接球B之半導體 裝置200的表面(電路表面側)之不同範例的平面。在第! 圖到第3圖中,和示於第1 6圖之習知技術相同的參考數 字表示相同的部分,而其說明將適度省略。 類似於示於第1 6圖之傳統半導體裝置20,示於第1, 第2和第3圖之半導體裝置200包含:在提供以整合方式 形成在電路組件形成區DA中之電路組件之半導體基板1 的表面上,所形成之許多的連接墊2;由氧化矽,氮化矽或 類似材料製成,且形成在半導體基板1的表面上,以曝露 各連接墊2的中央之鈍化膜3 ;及形成在鈍化膜3的上表面 上之保護膜4。 類似於傳統半導體裝置20,根據第一實施例之半導體 裝置200包含:形成在保護膜4之上且電性連接連接墊2( 第一連接墊)之導電層5;及形成在導電層5之上之焊接柱 6。半導體裝置2 00進一步地包含連接墊2,其中至少有 一個連接到接地電位之接地墊2A(第二連接墊),和至少有 一個連接到預定電路且接收預定電源之饋入墊2B(第三連 接墊)。半導體裝置200進一步地包含:由至少一個導電層 5-1(第一導電層)所形成之接地板GP,其中其連接到接地 墊2A且延伸在保護膜4上;及至少一個上導電層8(第二導電層) 544817 五、發明說明(7) ,其中其形成在密封膜7之上,因此如此之配置,所以可 以透過部分的膜7面對導電層5-1。半導體裝置200也具 有透過導電層5 ·1而電性連接到接地墊2 A ’且也連接到 上導電層8之焊接柱6A(第一圓柱狀電極),及透過導電層 5 - 1而電性連接到饋入墊2B,且也連接到上導電層8之焊 接柱6B(第二圓柱狀電極)。 $口第2圖所示,電性連接到接地墊2A之導電層5 -1, 和電性連接到接地墊2A和饋入墊2B之上導電層,它們 所配置之位置係經由密封膜7而彼此相互面對。導電層5-1係當作在接地電位之接地板GP,而對面之上導電層8 係當作饋入電極,因此形成一倒F形天線。連接墊電性連 接到形成在半導體基板上的電路組件形成區DA之中之電 路組件。 在第一實施例中,所形成之倒F形天線係當作天線組件 。但是,本發明並不侷限於此,本發明可以形成各種不同 的天線組件,如倒L形天線,嵌片式天線和微帶式天線。 在第1圖和第2圖中,在半導體基板上,形成一種天線 組件,但是本發明並不侷限於此。例如,許多的天線組件 可以配置在一個晶片上,構成一個相陣列式天線,而可以 得到想要的方向特性。或者,可以形成許多的天線,然後 可以改變它們的方向,以減少天線指向性。第3圖圖示一 種元件範例,其中的兩個天線組件係由:組合當作接地板 GP之導電層5_1和對面的上導電層8-1之第一天線組件 ,和組合當作接地板G P之導電層5 - 2和對面的上導電層 544817 五、發明說明(8) 8-2之第二天線組件所形成的,而且這些天線組件的方向 相差90 ° 。 第4圖至第9圖爲根據本發明的第一實施例,說明半導 體裝置200之製造步驟的橫截面圖。製造步驟將參考第4 圖至第9圖說明。 如第4圖所示,在根據第一實施例的製造步驟中,由氧 化矽,氮化矽或類似材料所製成之鈍化膜3,係形成在許 多由鋁電極或類似材料所製成之連接墊2的上表面上,和 形成在晶圓(半導體基板)1的表面上。基板提供形成在電 路組件形成區中之電路組件,且具有許多晶片形成區。鈍 化膜3如此形成,所以可曝露各連接墊2的中央。許多的 連接墊包含至少一個接地墊2 A和至少一個饋入墊2 B。其 次,在鈍化膜3的上表面上,形成具有各自使曝露連接墊 2的中央之開□之保護膜4。保護膜4之形成,例如,係 藉由應用聚亞醯胺系樹脂到晶圓1上之鈍化膜3和連接墊 2的整個上表面之上,固化樹脂,以鈾刻溶液執行光阻圖 案製作和保護膜圖案製作,及去除光阻。 保護膜4之形成可以採用一種藉由旋佈應用聚亞醯胺系 樹脂之方法,使用橡膠滾軸之印刷法,或墨水排放塗佈法 。保護膜材料並不侷限於聚亞醯胺系樹脂,也可以是環氧 樹脂系樹脂,PBO(苯醯氧系樹脂)或類似之材料。 如第5圖所示,在部分透過形成在保護膜4和鈍化膜3 中之開口曝露之連接墊2和饋入墊2B上,形成導電層5 。在接地墊2 A之上,形成對應接地板GP之導電層5 ~ 1。 -10- 544817 五、發明說明(9 ) 導電層5和5-1之形成如下。在保護膜4的整個表面上 ’藉由濺鍍或類似之方法,沈積由銅(Cu) ’鈦(Ti)或類似 材料所製成之UBM(下撞擊金屬)層(未圖示)。將光阻應用 在UBM層之上,固化,然後藉由對應具有預定形狀之開 口之微影製程製作圖案。藉由光阻所形成之開口,使用 U B Μ層當作電流路徑經歷電鑛。 導電層5和5-1可藉由無電鍍形成。用於這些導電層之 材料範例有可以展現良好導電特性之銅,鋁和金,及其合 金。 如第6圖所示,在導電層5和5 -1上的預定位置,由圓 柱狀電極形成焊接柱6,6Α和6Β。 例如,焊接柱係藉由應用厚度約爲1 〇〇到1 50 /z m之焊 接柱形成光阻,固化光阻,形成曝露導電層5和5 -1預定 部分之開口,及藉由使用UBM層當作電流路徑,執行開 口內部之電鍍。每一個焊接柱都可藉由無電鍍或螺栓衝擊 法形成。 焊接柱材料之範例有可以展現良好導電特性之銅,焊料 ,金,和鎳。當使用焊料當作焊接柱形成材料時,也可以 藉由後續的重流製程形成球形電極。當使用焊料形成焊接 柱6時,除了上述之方法外,也可以採用印刷法。在形成 焊接柱6之後,蝕刻掉UBM層不需要的部分。 如第7圖所示,例如,藉由塑造具有樹脂,如聚亞醯胺 或環氧樹脂之晶圓的整個表面側’形成密封膜7,以覆蓋 焊接柱,保護膜和導電層。密封膜7宜由大致上含有和 -11- 544817 五、發明說明(1〇) 上述保護膜4相同主要成份之樹脂製成,以確保抵抗環境 變化之可靠度。除了上述之塑造法外,形成密封膜7之方 法還可以有印刷法,浸泡法,旋佈法或鑄模塗佈法。 在形成密封膜7之後,如第8圖所示,切割且硏磨密封 膜7的上表面,以曝露焊接柱6,6A和6B的端面6a,然 後法除在該部分的上表面上之氧化物膜。 藉由在膜7上之焊料印刷或類似之方法,製成金屬箔薄 片,如銅箔,然後再選擇性蝕刻,而形成電性連接到對應 接地墊2A之焊接柱6A和對應蝕入墊2B之焊接柱6B之 上導電層8。或者,當作上導電層8之導電板,可以用導 電黏著物固定到對應接地墊2A和饋入墊2B之焊接柱6A 和 6 B 〇 若有必要,如第9圖所示,焊球B排列在沒有被上導 電層8覆蓋之焊接柱6之上。 沿著預定切割線CL,將晶圓1切成晶片形成區。結果 ,形成具有示於第1圖之結構之半導體裝置200。 換言之,被製造之半導體元件200具有示於第1圖之結 構,即,由形成自導電層5-1之接地板GP,和形成在對 應接地墊2A和饋入墊2B之焊接柱6A和6B上’以電性 連接到焊接柱6A和6B之上導電層8所構成之倒F形天 線。 第10圖和第π圖爲具有此結構之半導體裝置200放置 在提供預定導線圖案之導線板上時,適當之放置結構。 在示於第1 〇圖的結構中,提供許多導線圖案之導線板 -12- 544817 五、發明說明(11) 3〇係被放置在電子裝置框架40之中。半導體裝置200藉 由連接形成在導線板3 0上之預定的導線圖案3 1,經由形 成在焊接柱6上之焊球B,裝載在導線板3 0之上。當作 半導體裝置200的天線用之上導電層8會面對著導線板 30 ° 若導線圖案存在在面對導線板3 0的上導電層8之區域 3 2中,則由上導電層8輻射之無線電波的輻射效率會減 少,或輻射圖案會擾動,而使天線的性能退化。爲了防止 此種現象,在面對導線板30的上導電層8之區域32中, 並不形成導線圖案。因此,可以抑制天線性能退化。 在示於第1 1圖之結構中,面對導線板30的上導電層8 之區域32係開口。在此情形中,幾乎沒有構件會受到由 上導電層8輻射之無線電波的干擾。無線電波之輻射效率 的減少和天線性能的退化可以最小化,而可以得到很好的 性能。 如上所述,第一實施例藉由形成導電層5 -1當作接地板 G P,和形成上導電層8在電性連接接地墊2A和饋入墊 2 B之焊接柱6 A和6 B上,建構一倒F形天線。天線可以 放置在晶片內部’所以可以微小化具有使用此晶片建構的 天線之模組。 因爲天線係放置在晶片內部’所以與天線位在晶片外部 之結構相較,從晶片上之電路到天線之導線長度可以大幅 地縮短。建構天線之電極的饋入線損失可以最小化。此有 肋於改善傳輸通道特性和提供高性能的天線。 - 13- 544817 五、發明說明(12) 在上述的實施例中,密封膜7係插在接地板GP和上導 電層8之間。換言之,如第12圖所示,可在接地板GP 和上導電層8之間插入高介電質構件1 1。在此情形下, 在形成焊接柱6,6 A和6 B之後,將介電質構件1 1固定 到具有黏著物或類似材料之接地板GP(導電層5-1)上。然 後,透過上述之封裝步驟陳列上導電層8。 藉由在接地板GP和上導電層8之間插入由鈦化鋇或類 似材料所製成之高介電質構件,可以調整天線組件之電氣 長度。換言之,不用改變上導電層8的圖案尺寸,就可以 吹變天線組件之共振頻率。當天線組件的共振頻率保持固 定時,藉由組合高介電質構件,可以減少接地板GP和上 霉電層8之面積。 <第二實施例> 第ΠΑ圖爲根據本發明的第二實施例之半導體裝置200 的結構橫截面圖。在第1 3 A圖中,和第一實施例相同之參 %數字表示相同的部份,而且將適度省略其說明。 根據第二實施例之半導體裝置200包含連接預定連接墊 2C (第二連接墊)之導電層5_2 (第一導電層),及形成在密 針膜7上之上導電層12 (第二導電層)。如第13A圖所示, _電層5-2和上導電層12係經由部分的密封膜7,形成在 趣此相互面對之位置。在上導電層12之上,藉由金屬化 製程,如焊料印刷,形成焊料層B,。 第圖爲將示於第ΠΑ圖之半導體裝置200放置在導 +泉板3 0上之狀態的橫截面圖。在此情形下,上導電層1 2經 -14- 544817 五、發明說明C 13) 由焊料層B,,連接形成在導線板3 0上之連接墊3 3。上導電 層1 2,密封膜7和導電層5 -2形成電容組件Cp。 經由導電層5電性連接到連接墊2之焊接柱6,係經由 焊球B連接到導線板3 0之導線圖案3 1。 電容組件Cp可以形成在導線板3 0上之連接墊3 3和晶 片內部之導電層5-2之間,而可以建構成示於第13C圖之 等效電路。在第13C圖之中,參考數字2 00a表示事先形 成在半導體裝置200的半導體基板1上之電路部分,如第 13A圖所示。電容組件Cp可連接到該電路部分200a。 根據第二實施例,可以整合電容組件和晶片,當具有電 容組件之模組使用此晶片建構時,與電容組件放在晶片外 部之傳統結構相較,可以微小化該模組。 在上述之實施例中,密封膜7插在部分的上導電層1 2 和導電層5-2之間,而形成電容組件。換言之,如第1 4 圖所示,介電質層13可插在上導電層12和電層5-2之間 ,而形成電容組件Cp。 在此結構中,電容組件之電容係由插在上導電層1 2和 導電層5 -2之間之介電質層1 3的相對介電質常數,厚度 ,和面積決定。 使用高相對介電質常數之介電質,不用改變上導電層 1 2和導電層5 - 2的面積,就可以增加電容値。當電容値保 持固定時,可以減少各導電層之面積。形成介電質層1 3 之高相對介電質常數之介電質材料係像鈦化鋇或鈦化鉅之 高介電質材料。 -15- 544817 五、發明說明(14 ) 第15A圖至第15C圖爲第二實施例之修正例。第15A 圖爲半導體裝置2 0 0之修正例和放置在導線板3 0上之半 導體裝置200之狀態的橫截面圖。第15B圖爲省略密封膜 7之半導體裝置20 0的表面平面圖。 如第1 5A圖所示,該修正例包含電性連接到導電層5-3 和10(第一導電層)之連接墊2D(第二連接墊)。再者,該 修正例還包含透過介電質層1 3,形成在使它們面對導電 層5-3和10之位置之上導電層12-1和12-2(第二導電層)。 在導電層1 〇之上,形成圓柱狀電極6,然後在圓柱狀 電極6之上,形成焊球B。圓柱狀電極6經由焊球B,連 接到形成在導線板3 0上之連接墊3 6。藉由金屬化製程, 女口焊料印刷,在上導電層12-1和12-2之上,形成焊料層 B’。上導電層12-1和12-2經由焊球B’,連接到形成在導 線板30上之連接墊35。 對於此種配置,兩個在結構上與電容組件Cp完全相同 之電容組件C 1和C2,分別形成在上導電層1 2_ 1和導電 層5-3之間,與上導電層12-2和導電層10之間。 如第1 5 B圖所示,將導電層1 0製作成正方螺旋圖形, 以形成電感組件L。 藉由組合電容組件C 1和C2及電感組件L,可以建構各 手重不同的被動電路。例如,可以形成示於第1 5C圖,且連 接到形成在半導體基板1上的電路部分200a之π低通濾 波器。由被動組件所形成之濾波器電路可以放置在晶片內 咅[3,所以可以微小化具有使用此晶片建構的濾波器電路之 -1 6 - 544817 五、發明說明(15) 模組。 在此修正例中,濾波器電路係藉由組件兩個電容組件和 一'個電感組件所完成的。但是本發明並不侷限於此,而各 種不同的被動電路可以藉由組合許多的電容組件,電感組 件和導電層而建構。
此外,本發明並不侷限於電容組件和電感組件,而形成 在半導體基板1上之導電層可以形成各種不同的薄膜電路 組件,如電阻器,薄膜變壓器,薄膜SAW(表面聲波)濾波 器,微帶線,和MMIC(微波單石積體電路)。或者,可以 組合這些構件,建構成各種不同的被動電路。 在此情形下,可以將各種不同的被動電路放置在晶片內 咅[3,所以可以微小化使用此晶片所建構之模組。相較於將 這:些被動電路配置在晶片外部之傳統結構,可以大幅地縮 矢豆從晶片上之電路到各動電路之導線長度。可以抑制天線 J員失,以改善頻率特性,尤其是RF電路。 辛守號說明
1 ...半導體基板 2 ...連接墊 2 Α...接地墊 2 Β...饋入墊 2 C...連接墊 3 ...鈍化月旲 4 ...保護膜 5,5-1,5-2.·.導電層 - 17- 544817 五、 發明說明(16) 5 - 3…導電層 6 ·· .焊接柱 6 A ...末端表面 6B ...焊接柱 7.. .密封膜 8,8-1,8-2…上導電層 10 ...導電層 12 ,:12-1,12-3…上導電層 13 ...介電質層 20 ...半導體裝置 3 0 ...導線板 3 1 ...導線圖案 3 2 ...區域 3 3 ...連接墊 3 5 ,3 6 ...焊接墊 200...半導體裝置 2 0 0 a ...電路部分 B . ..焊球 B, ...焊料層 -18-
Claims (1)
- 544817 六、申請專利範圍 1. 一種半導體裝置,包含: 半導體基板,其中有電路組件形成區,和許多至少包含 一個第一連接墊和一個第二連接墊之連接墊形成在其上; 第一圓柱狀電極,其形成在第一連接塾之_h,以電性連 接到第一連接墊; 至少一個之第一導電層,其形成在第二連接墊之上,以 電性連接到第二連接墊; 密封膜,其至少繞著該第一圓柱狀電極,在半導體基板 之上和在第一導電層之上形成; 第二導電層,其形成在密封膜之上,以面對第一導電層 ;及 至少一個之被動組件,其由第一和第二導電層形成。 2. 如申請專利範圍第1項之裝置,其中許多連接墊至少包含 一個第三連接墊,而且 其進一步地包含第二圓柱狀電極,其電性連接到第二連 接墊和連接到第二導電層’ 及第三圓柱狀電極,其電性連接到第三連接墊和連接到 第二導電層。 3 .如申請專利範圍第2項之裝置’其中 第二連接墊構成接地墊’ 第三連接墊構成饋入墊’及 被動組件包含天線組件。 4.如申請專利範圍第3項之裝置’其中天線組件包含倒F形 天線。 5 •如申請專利範圍第1項之裝置,其中被動組件包含電容組 -19- 544817 六、申請專利範圍 件’而且其在第二導電層上進一步地包含連接到導線板之 連接區。 6 ·如申請專利範圍第丨項之裝置,進一步地包含: 許多被動組件;及 連接該被動組件之第三導電層。 7 ·如申請專利範圍第6項之裝置,其中 第三導電層至少構成一個薄膜被動組件,及 許多的被動組件和薄膜被動組件形成被動電路。 8 ·如申請專利範圍第7項之裝置,其中 許多的被動組件至少包含兩個電容組件, 薄膜被動組件包含藉由製作第三導電層圖案,以產生電 感構件之電感組件,及 被動電路包含濾波器電路。 9 ·如申請專利範圍第1項之裝置,其中密封膜具有位在第一 和第二導電層之間之介電質部分。 10·—種電子裝置,包含: 具有半導體基板之半導體裝置,其中在半導體基板上有 電路組件形成區和許多至少包含一個第一連接墊和一個 第二連接墊之連接墊形成, 圓柱狀電極,其電性連接到第一連接墊, 第一導電層,其連接到第二連接墊, 密封膜,其至少繞著該圓柱狀電極,在半導體基板上和 在第一導電層之上形成, 第二導電層,其形成在密封膜之上,以面對第一導電層 ,及 -20- 申請專利範圍 由第一和第二導電層所形成之天線組件;及 有許多導線圖案形成在其上之導線板, 具有經由圓柱狀電極而電性連接到導線板上之導線圖 案結構之半導體裝置, 其中在面對半導體元件的第二導電層之導線板區域中, 沒有形成導線圖案。 1 1 .如申請專利範圍第1 〇項之裝置,其中面對半導體裝置的 第二導電層之導線板區域包含開口。 12.—種半導體裝置之製造方法,包含: 在形成電路組件形成區和許多連接墊的上表面之上,製 備一半導體基板; 電性連接第一圓柱狀電極到許多連接墊中的至少一個 第一連接墊; 至少連接一個第一導電層到許多連接墊中的至少一個 第二連接墊; 至少繞著第一圓柱狀電極,在半導體基板之上和在第一 導電層之上形成密封膜;及 在密封膜之上至少形成一個第二導電層,以面對第一導 電層。 1 3 ·如申請專利範圍第1 2項之方法,還包括: 形成電性連接到第二連接墊,且連接到第二導電層之第 二圓柱狀電極;及 形成電性連接到許多連接墊中的至少一個第三連接墊 ,且連接到第二導電層之第三圓柱狀電極。 14.如申請專利範圍第13項之方法,其中 -21 - 544817 、申請專利範圍 第二連接墊構成接地墊, 第三連接墊構成饋入墊,及 第一和第二導電層形成天線組件。 15. 如申請專利範圍第12項之方法,進一步地包含: 由第一和第二導電層形成電容組件;及 在第二導電層之上,形成可以連接到導線板之連接結構。 16. 如申請專利範圍第15項之方法,進一步地包含: 形成許多電容組件;及 形成至少連接在兩個電容組件之間,且將其製作圖案, 使產生電感構件之第三導電層,因此形成電感組件。 I7·如申請專利第12項之方法,進一步地包含將介電質 1 T it 材料配置在和第二導電層之間。 18·—種半導體造方法,包含: m 製備具有旨晶片形成區之半導體晶圓,其中該許多的 Τ; Λ'^' 晶片形成區各自具有電路組件形成區和許多連接墊; 在各晶片形成區之中,形成絕緣膜; 在晶片形成區之中,將第一圓柱狀電極電性連接到許多 連接墊中的至少一個第一連接墊; 在晶片形成區之中,至少形成一個第一導電層在絕緣膜 之上,而且將該第一導電層連接到許多連接墊中的至少一 個第三連接墊; 至少繞著第一圓柱狀電極和在絕緣膜上的第一導電層 之上’形成密封膜; 在晶片形成區之中,至少形成一個第二導電層在密封膜 之上’以面對第一導電層;及 -22- 544817 六、申請專利範圍 將半導體晶圓切割成個別的晶片形成區,因此可以形成 許多半導體裝置。 1 9.如申請專利範圍第1 8項之方法,進一步地包含: 形成電性連接到晶片形成區中的第二連接墊,且連接到 第二導電層之第二圓柱狀電極;及 形成連接到晶片形成區中許多連接墊中的至少一個第 三連接墊, 且連接到第二導電層之第三圓柱狀電極。 2 0.如申請專利範圍第19項之方法,其中 第一連接墊構成接地墊, 第二連接墊構成饋入墊,及 第一和第二導電層形成天線組件。 2 1.如申請專利範圍第1 8項之方法,進一步地包含·· 由第一和第二導電層形成電容組件;及 在第二導電層之上,形成可以連接到導線板之連接結構。 22. 如申請專利範圍第21項之方法,進一步地包含: 形成許多電容組件;及 形成至少連接到兩個電容組件之間’且將其製作圖案’ 使產生電感構件之第三導電層,因此形成電感組件。 23. 如申請專利範圍第18項之方法,進一步地包含將介電質 材料配置在第一和第二導電層之間。 -23-
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2001
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2002
- 2002-04-08 US US10/118,403 patent/US6639299B2/en not_active Expired - Lifetime
- 2002-04-11 TW TW091107361A patent/TW544817B/zh not_active IP Right Cessation
- 2002-04-11 SG SG200202132A patent/SG114537A1/en unknown
- 2002-04-15 KR KR1020020020498A patent/KR100885352B1/ko not_active IP Right Cessation
- 2002-04-16 CN CNB021057494A patent/CN1320646C/zh not_active Expired - Fee Related
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TWI398940B (zh) * | 2007-11-30 | 2013-06-11 | Hynix Semiconductor Inc | 晶圓級半導體封裝及其製造方法 |
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US6639299B2 (en) | 2003-10-28 |
KR100885352B1 (ko) | 2009-02-26 |
EP1251558A2 (en) | 2002-10-23 |
CN1383206A (zh) | 2002-12-04 |
US20020149086A1 (en) | 2002-10-17 |
CN1320646C (zh) | 2007-06-06 |
EP1359618A3 (en) | 2005-02-09 |
JP2002314028A (ja) | 2002-10-25 |
KR20020081089A (ko) | 2002-10-26 |
JP3939504B2 (ja) | 2007-07-04 |
SG114537A1 (en) | 2005-09-28 |
EP1251558A8 (en) | 2003-01-02 |
EP1359618A2 (en) | 2003-11-05 |
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