TWI376779B - Semiconductor device packages and manufacturing method thereof - Google Patents
Semiconductor device packages and manufacturing method thereof Download PDFInfo
- Publication number
- TWI376779B TWI376779B TW099116087A TW99116087A TWI376779B TW I376779 B TWI376779 B TW I376779B TW 099116087 A TW099116087 A TW 099116087A TW 99116087 A TW99116087 A TW 99116087A TW I376779 B TWI376779 B TW I376779B
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- Taiwan
- Prior art keywords
- opening
- circuit substrate
- pad
- peripheral portion
- encapsulant
- Prior art date
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 51
- 238000004519 manufacturing process Methods 0.000 title claims description 14
- 239000000758 substrate Substances 0.000 claims abstract description 84
- 230000002093 peripheral effect Effects 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 claims abstract description 41
- 239000008393 encapsulating agent Substances 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims description 9
- 239000000945 filler Substances 0.000 claims description 8
- 238000005553 drilling Methods 0.000 claims description 7
- 239000007769 metal material Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000005538 encapsulation Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 claims 1
- 238000003745 diagnosis Methods 0.000 claims 1
- 238000010291 electrical method Methods 0.000 claims 1
- 238000005520 cutting process Methods 0.000 description 15
- 239000000084 colloidal system Substances 0.000 description 7
- 229910000679 solder Inorganic materials 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 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
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000012811 non-conductive material Substances 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005670 electromagnetic radiation Effects 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
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
Classifications
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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
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/31—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape
- H01L23/3107—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed
- H01L23/3121—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed a substrate forming part of the encapsulation
- H01L23/3128—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed a substrate forming part of the encapsulation the substrate having spherical bumps for external connection
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- 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
- H01L21/561—Batch processing
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- 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
- H01L21/565—Moulds
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- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/498—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
- H01L23/49811—Additional leads joined to the metallisation on the insulating substrate, e.g. pins, bumps, wires, flat leads
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- H01L24/95—Batch processes at chip-level, i.e. with connecting carried out on a plurality of singulated devices, i.e. on diced chips
- H01L24/97—Batch processes at chip-level, i.e. with connecting carried out on a plurality of singulated devices, i.e. on diced chips the devices being connected to a common substrate, e.g. interposer, said common substrate being separable into individual assemblies after connecting
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- 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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- H01L2224/42—Wire connectors; Manufacturing methods related thereto
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- H01L2224/48151—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
- H01L2224/48221—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
- H01L2224/48225—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
- H01L2224/48227—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 connecting the wire to a bond pad of the item
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- H01L2224/95—Batch processes at chip-level, i.e. with connecting carried out on a plurality of singulated devices, i.e. on diced chips
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- 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
- H01L24/10—Bump connectors ; Manufacturing methods related thereto
- H01L24/15—Structure, shape, material or disposition of the bump connectors after the connecting process
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- H01L2924/153—Connection portion
- H01L2924/1531—Connection portion the connection portion being formed only on the surface of the substrate opposite to the die mounting surface
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Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Toxicology (AREA)
- Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
Description
1376779 ASEK2276-NEW-FINAL-TW-20100520 六、發明說明: 【發明所屬之技術領域】 本發明是有關於一種半導體元件封裝及其製作方法, 且特別是有關於一種具有電磁干擾屏蔽(electromagnetic interference shielding )的半導體元件封裝及其製作方法。 【先前技術】 半導體元件日益複雜,而至少部分的原因是源於使用 者對於增加處理速度(processing speed)與縮小元件尺寸 的需求。雖然增加處理速度與縮小元件尺寸的好處相當顯 著,但是這些半導體元件的特性亦會產生問題。特別是, 較高的時脈速度(clock speed)會使訊號準位(signal levd ) 轉換的頻率增加,以致於頻率較高或波長較短的電磁發射 (electromagnetic emission)強度增加。電磁發射可從一源 半導體元件(source semiconductor device)輻射而出並入 射鄰近的半導體元件。若是對鄰近的半導體元件的電磁發 射強度夠高,則電磁發射會不利於(鄰近的)半導體元件 的運作。此現象有時被稱為電磁干擾(dectr〇magnetic interference ’ EMI)。尺寸較小的半導體元件會使電磁干 擾的問,更加嚴重’因駿些(尺寸較㈣)半導體元件 會以較问的岔度配置於一電子系統中,以致於鄰近的半導 體元件接收到較強且不希望得到的電磁發射。 -组:擾Γ種方法是在半導體元件封褒中屏蔽 .,且牛導體讀。_是,可料在縣料部加農接地 ASEK2276-NEW-FINAL-TW-20100520 的導電罩體(easing)或是導電殼體(hQUSing)來達到屏 蔽的效果。當由封裝體内部輻射出的電磁發射撞射到罩體 的内表面時,至少部分的電磁發射被電性短路,以降低可 牙透罩體且不利於鄰近的半導體元件的電磁發射強度。相 同地,當由鄰近的半導體元件輻射出的電磁發射撞射到罩 體的外表面時,會發生相似的電性短路以降低封裝 半導體元件所受到的電磁干擾。 _ 雖然導電罩體可減少電磁干擾,但是使用導電罩體會 有許多缺點。制是’罩體―般是藉由黏著劑而固定在半 導體7L件雌的外部。不幸岐,㈣轉㈣接合性會 受到溫度、Μ以及其他環境因素㈣響叫低,因此: 罩體容易剝離或脫落。而且,當將罩體固定至封裝體時, 罩體以及難體的尺寸與形狀需相互配合,且二^的配合 度需在-較小的容忍範圍内。使尺寸與形狀能夠相互 合’以及縣n與縣體的姆位置具有—定的準奋 導致製作成本提高並耗費製程_。由於f要使尺ϋ 狀能相互配合,目此,不㈤尺寸與雜的半導體 ^ 需要搭配不同的罩體’以容納不同的封裝體,^ 步地增加製作成本與時間。 ° 運一 導體元件封裴及其 克服如述背景中所提及的問題的半 製作方法如下所述。 【發明内容】 本發明提供-種具有電磁干擾屏蔽的半導體元件封 ASEK2276-NEW-FINAL-TW-20100520 裝及其製作方法。 本發明提出-種半導體元件封裝 電子元件'-封裝膠體《及一導電 載:鄰接塾,其中底面相對於承載面。電子 70件钟近承載面並轉錢路基板 載面並包覆電子稀。龍膠體包括—中心料體^中 心部的周邊部,其中周邊部的厚度小於中心部的厚度反 形成在周邊部的-開口暴露出線路基板的接塾。導電層兴 形地覆蓋縣轉,並σ以連絲路基板的接塾。 在本發明之-實施例中,線路基板包括一側面,側面 延伸於承載面與底面之間。封裝膠體的周邊部包括一側 面。周邊部的侧面實質上與線路基板的側面共平面。 在本發明之一實施例中,周邊部的厚度實質上相等。 在本發明之一實施例中,導電層的厚度實質上相等。 在本發明之一實施例中,開口暴露接墊的一頂面,真 導電層覆蓋開口的一側壁以及接墊的頂面β接墊可鄰近線 路基板的承載面。 在本發明之一實施例中,接墊配置於線路基板中,開 口貫穿封裝膠體的周邊部以及線路基板,以及導電層覆蓋 開口的—側壁以及連接接墊,接墊暴露於側壁。接蛰巧鄰 近承載面或鄰近底面。 在本發明之一實施例中,半導體元件封裝更包栝/填 充物,其配置於開口中。 ASEK2276-NEW-FINAL.TW-20100520 在本發明之一實施例中,接塾係接地。 在本發明之-實施例中,開 形開槽或是-環形溝槽。 _孔洞、一線 (I)tt明種半導體元件輕㈣作枝,包括. U)棱供一線路基板條,其中 匕栝. -底面以及-㈣Μ,基板條包括—承载面、 電子开株φ 相對於承載面;(2)配置- 電子7G件,電子兀件鄰近承载面其 基板;(3)形成—封裝膠體 接線路 =元件;⑷沿著線路基板的:邊覆 以形成封裝膠體的-周邊部,周邊‘著 封裝膝體的―中心、部的厚度;(5)在周邊部形成一開口, 路基板的一接墊;(6)形成一導電層,以共形地 i、、膠體,其中導電層透過開口而連接至線路基 接墊。 在本發明之一實施你丨中,周邊部的厚度實質上相萼。 • « , . ·. · · " 在本發明之一實施例中,半導體元件封裝的製作方法 更包括沿著線路基板的邊緣對封裝膠體的周邊部進行一全 切割製程,以使線路基板與線路基板條的其他部分分離, 並使周邊部與封裝膠體的其他部分分離。 在本發明之一實施例中,形成開口的方法包括雷射鑽 孔。此外’接塾•鄰近線路基板條的承載面。導電層可覆蓋 開口的一侧壁與接墊的一頂面。 1376779 ASEK2276-NEW-FINAL-TW-20100520 在本發明之-實補中,職開σ的方法 孔。此外,接墊配置於線路基板條的一内層中,且^ 穿封裝膠體的周邊部以及線路基板條。導電芦 汗貝 一側壁並連接暴露於側壁的接塾。 1 β 〇的 在本發明之-實施财,轉體元件㈣的製 更包括在形成導電層之後填充開σ,其中填充開口的方法 包括電鍍一金屬材料或是印刷一非導電材料至開口中。 為讓本發明<上述特徵和優點能更明顯易懂,下 舉實施例,並配合所附圖式作詳細說明如下。 守 【實施方式】 下列的定討應用在關於本發明之某些實施例 些方面。在此將詳述這些定義。 /、 在此所制的單詞『―』與『該』可代表複數個 t下文明顯指出『-』與『該』代表單數個。因此,舉 =來二:’當提到-接地元件時,可包括多個接地元件 况,除非上下文明顯指出『―』代表單數個。. f此所使用的5司『组』代表—或多個元件的群體。因 組的元件可以是彼此相 組的元件可共有一或多 =舉=來說層可包括單—騎或多個膜層。一 、,且的元件亦可代表該組的構件。 同或彼此不同。在—些例子中, 個相同的特性。 元株ΐ此!^使用的詞『鄰近』代表接近或是鄰接。鄰近的 σ以疋彼齡離或是彼此實質±錢或直接接觸。在 1376779 ASEK2276-NE W-FINAL-TW-20100520 一些例子中’鄰近的元件可彼此相連或是彼此為一體成型。 在此所使用的詞例如『内』、『頂』、『底』、『上、 『下』、『向下』以及『橫向』代表—組元件的相對方向 (方位),例如依照圖所示,但是毋須以特定的方向製作 或是使用這些元件。
日在此所使用的詞『連接』代表操作上的耦接(⑺叩丨丨邶) 或疋連接(linking) 〇連接元件可以是彼此直接耦接或是 彼此間接輕接,例如透過.另一組元件。. 在此所使用的詞『實質上』、『基本上』代表一可以 考慮的程度綠圍。當其與―事件或情況則時,該詞可 =表該事件骑況準確發生的赃以及該事件或情況發生 二近似錢例子’例如計#此處所描述的製程操作的一 知^各忍磨。 力所使用的同『導電的』代表一種傳導電流的能
般是相當於表現出輕微或是無反抗電流流 3材枓。導電率的單位為s.ra] (siemenspermeter)。 =,導f材料是一導電率約大於1 〇4 S.m-1的材料,例如 ^^約1〇 或是至少約lOk.m-i。材唞的導電率有時 =而變。除非有特別說明,否則都是指室溫下的材 製作f種封裝結構,例如堆叠式封裝
Pa-.)(mUWP^ package)。 封裝(high frequency device ,[s. ] 9 1376779 ASEK2276-NE W-FINAL-TW-20100520 圖1A〜圖1H繪示本發明一實施例之半導體元件封裝 的製程示意圖。 請參關1A,-線路基板條102具有多個線路基板 110 ’線路基板110是由多條後續的切割線19〇 (圖中 的虛線)所定義出來的,其中各線路基板110包括一承載 面110a、一底面UOb與一組接墊112(或是其他的接地元 件),接墊112連接至接地面或是任何其他功能的平面或 是參考平面。各線路基板110也包括延却於承载面u〇a 與底面110b之間的一侧面,如圖5、6所示(以下將會述 及,)。相同於線路基板110中的其他線路層,接墊^可 以是由金屬(例如銅)所構成。接墊112可 no的任-線路層上,並與該線路層—體‘=== 該線路層中。在本實施例中,接塾112位於線路基板條1〇2 的承載面110a上,並與一頂線路層115 一體成型。 請參照圖1B,多個電子元件_或半導體元件12〇) 配置於承載面110a上,ϋ分別以覆晶接合財式透過多個 導電凸塊180電性連接至線路基板11〇。在其他實施例中, 電元件120連接到線珞基板11〇的方法可以是打線接合 或疋其他可行的連接方法。在此,電子元件12()可為一晶 ^電子元件120較佳地是配置於線路基板110的一中心 琿之中。另外,本發明之實施例並不限定各線路基板11〇 上所配置的電子元件12〇的數量。在本實關巾,各線路 基板11〇係接合有一電子元件12〇。然而,在其他實施例 t,封裝結構可包括各線路基板11〇上配置有多個電子元 1376779 » • ASEK2276-NEW-FINAL-TW-20100520 件 120。 凊參照圖1C’進行—封膜制户、 上形成-封裝膠體130,用以^ = ’以於線路基板條102 線路基板no的至少局部。封12()、接墊112與各 ^ (evening process) 環氧樹脂献130㈣質例如為 請參照圖1D,在封裝膠體13 的邊緣(例如沿著切割、線19〇)推:者^線路基板110 .,,,進仃一半切切割製程 曰a = mg pr=ess),以移除部分的封震膠體13〇。特 二ί切切副衣程利用一切割工具(未繪示)部分切割 封跡體⑽’因此,可在各鱗基板110的邊緣上形成 封裝膠體130的一周邊部以,其中周邊部m的厚度g 小於封裝雜13G的—巾心部132的厚度TWb外,周邊 部134的厚度T2實質上相等,也就是周邊部134的一頂 面134b η質上是平坦的。由於形成在兩直接相鄰的線路基 板110邊緣上的周邊部134的厚度實質上相尊,因此,可 降低用以製作周邊部134的半切蝴製料複雜度。舉例 來說,以單一實質上水平的切割可製得橫跨兩直接相鄰的 線路基板110的頂面134b。 5月參照圖1E,在半切切割製程之^後,在周邊部134 上相對各線路基板11〇形成至少一開口 136,以暴露出:線 路基板110的接墊H2。 圖2示範性地繪示圖1E中的結構的立體圖。如圖2 所示,多個開口 136係形成在封裝膠體130中並圍繞各晶 1376779 ASEK2276-NE W-FINAL-TW-20100520 片12〇。在本實施例+ ’是採用雷射鑽孔製程(laser drilling process)。由於雷射對於封骏膠體13〇的切割速度遠大於 對於金屬的⑽j速度’因此,雷射鑽孔製程容易切穿封裝 膠體130,且當遇到· 112時切槪度會顯著降低或停 止切J因此,形成在封裝膠體130的周邊部134的雷射 開口 136會暴露^線路基板11()的承载面丨伽上的接塾 ⑴。雖'然在此是採用雷射鑽孔製程,但也可以採用其他可 行的移除方法’例如化學_錢械研磨,赠述方法皆 包含在本發明的範圍中。
你甘L卜為符合不同的需求,可改變開口 136的形狀t 拍二二不同的外形(Pr〇flle)。® 3A〜圖3C繪示本Ί 之圖1E之結構的局部上視圖。請參照圖3心 L二,示具有不同外形的多個開口136,其中圖 (linear slot^ ^ ^ ^ 〇 圖3C的開口 136為環形溝槽。接墊u 趣1 口136的形狀,或者㈣
而連接至細魏縣職i3G關口13 為電磁對應接塾112。導電層14〇可< ^蚊八直接配置於封裝膠體130上,而毋多 導電層,可降低製作成本與時間。特別是 130a、封扭地覆蓋封裝膠體130的中心部132的頂i 1遍,膠體⑽的中心部132的側壁働(或^ (S) 12 1376779 ASEK2276-NEW-FINAL-TW-20100520 130b)、封裝膠體130的周邊部134的頂面134b、各開口 136的側壁136a (或是側面136a)以及各接墊112的頂面 112a。可藉由沉積金屬材料的方式形成導電層14〇,以使 導電層140可共形地覆蓋封裝膠體13〇以及開口 136所暴 露出的接墊112,其中沉積金屬材料的方式例如噴塗印刷 (spmy coating meth〇d)、電鍍(或無電鍍)或濺鍍 (sputteringmethod)。金屬材料例如為鋁、銅、鉻、金、 銀、鎳、錫、不銹鋼、焊料及前述之組合。導電層14〇的 較佳厚度是介於1微米與2〇微米之間。導電層14〇的厚度 實質上是一致的。 此外,在導電層140形成之後,可選擇性地進行一填 充製程(fillingprocess),以一填充物138填充開口 136, 從而增加結構剛性(structuralrigidity)。舉例來說可藉 由在開口 136中電鍍一金屬材料或是印刷一非導電材料的 方式开>成填充物138。本發明的多個實施例皆不限制填充 物138的材質或是形成方式。 、 凊參照圖1G,在各線路基板no的底面u〇b上可選 擇=地形成多個銲球15〇,且形成銲球15〇的方法包括植 球製程(ball mounting process )、印刷製程或是其他可带 成銲球的方法。 y 請參照w m,進行一切單製程(singulationpr〇cess), "係沿著各線路基板no的邊界(例如沿著切割線i9〇, θ 1H中的虛線所示)全切割(fuu_cutting)封褒膠體 130的周邊部134,以分離線路基板以及分離封裝膠體
[S.1 13 1376779 ASEK2276-NE W-FINAL-TW-20100520 no之對應的部分,從而獲得多個獨立的塊結構刚。全 切割製程(full-cutting process )例如是刀具切割製程(此如 sawing process)或是雷射切割製程。 由於在形成開口 136並將導電層14〇電性連接至接墊 112之前’有先㈣_製程來減少封裝 13 厚度,故可減少鑽出淺深度(shall〇w depth)的開口 136 所需耗費的時間,進而可增加封裝製程的產量。 一般而言,前述的半切切割製程或是前述的全切割製 程的切割道(cutting path)的寬度或深度可依遮蔽需^、 或是封裝體的其他電子特性、或是製程參數而作改變。較 ,的是,請參照圖1H,半切切割製程的切割道的寬度W1 :介於5〇0微米與_微米之間,全切割製程的切割道的 寬度W2是介於250微米與350微米之間,各開口的寬度 W3是介於50微米與ι〇〇微米之間。 依照本發明的多個實施例,下述的多個實施例是更進 厂步,修改圖1A〜圖1H所示的半導體元件封裝的製作方 法二或者是,在圖1A〜圖id的製程步驟之後,如圖4A ,不,形成的開口 136係貫穿封裝膠體13〇的周邊部134 =及線路基板條撤。錄ι12位於對應的線路基板11〇 接承载面110a、底面110b或内層上。在本實施例中,各 第塾112與對應的線路基板110的第一内線路層117a或是 方線路層117b為一體成型^機械鑽扎或是其他可行的 母^皆可用來形成開口 136。各接墊U2被對應的開口 u6 貝,且暴露於開口 136的側壁136a。 ASEK2276-NEW-FINAL-TW-20100520 請參照圖4B,形成一導電層140以共形地覆蓋封裝 膠體130,其中導電層140透過開口 136而覆蓋各開口 I% 的側壁136a’並接觸側壁136a所暴露出的接墊in,以連 接對應的接墊112。此外,可選擇性地進行一填充製程, 以一填充物138填充開口 136。 請參照圖4C與圖4D,可選擇性地進行一植球製程以 形成多個銲球150,以及進行上述的一切單製程,以獲得 多個獨立的封裝結構100。 又 圖5繪示本發明一實施例之半導體元件封裝結構的剖 .面圖。請參照圖5,一封裝結構50〇包括一線路基板u〇、 电子元件120、一封裝膠體13〇以及一導電層14〇。線路 基板Π0可為一積層板(laminate substrate)並具有一承載 面ll〇a與一底面110b,且具有至少一接墊112 (圖5繪示 一接墊112),接墊112電性連接至導電層14〇。在此,接 墊112可位於線路基板11〇的承載面u〇a,並電性連接至 接地面或任何其他功能的平面或是參考平面。在本實施例 中’接塾—m與線路基板110的一頂線路層lls為一體成 型。電子兀件120可為-配置於承載面腕上並電性連接 至線路基板UG的晶片,且此晶片是透過多個導電凸塊18〇 而覆晶接合至線路基板11Q,或是可藉由其他可行的接合 =式接合至線路基板110(例如打線接合)。封裝躁體請 设蓋承載面110a並包覆承载面U0a上的電子元件120。 =裝膠體130包括—中心部132與—圍繞中心部132的周 邊部134’其中周邊部134的厚度T2小於中心部132的厚 1376779 ASEK2276-NEW-FIN AL-T W-20100520 度T1。舉例來說’ T2可小於約2/3的T1,例如約為1/1〇 〜2/3 1 Ή ’或是約為1/1〇〜1/2的Tl。周邊部134的厚 度T2只貝上可以是一致的,例如周邊部134的頂面13牝 實質上是平坦的。此外,對條狀龍結構進行—切單製程 以得封裝結構5〇0(如同圖1H所述),其中封裝膠體13〇 的周邊部m的-讎134a(u—側面134a)可與線路 基板110的一側壁119 (或一侧面119)丘平面。 封裝膠體130具有至少—位於周邊部134中的開口 136 (圖5緣示多個開π 136)以暴露出線路基板11〇的多 個接墊112。導電層140共形地覆蓋封裝膠體13〇並透過 p幵 1 口 136而連接線路基板110的接墊η:。導電廣⑽的 材質例如為銅、鉻、金、銀、鎳'銘、或是前述材質之合 金、錫、不_或焊料L 136暴露出對應的接塾112 的頂面112a,且導電廣14〇覆蓋開口 136的一侧壁13如 固及接塾_112的頂面112a。導電層14〇的詳細結構相似於 圖1F所示。再者,開口 136的詳細結構相似於圖3八〜圖 =所不。-由金屬或是不導電材料所構賴填充物 ^己置於各開口 136中。藉由暴露線路基板11G的接塾 =,導杨M0可電性連接至接地面或是線路基板ιι〇 ^他參考平面。舉例來說,可在封裝結構_建立一電性 途徑以作為電磁干擾屏蔽,而毋須使用外加的接地平 面。鲜球150配置於線路基板110的底面ll〇b。 園本發㈣—實關之轉體元件封裝結構纪 。’面圖。4參照圖6,封裝結構_相似於® 5的封裝驾 1376779 ASEK2276-NEW^FINAL-TW-201OO520 構500,兩者的差異之處在於接墊112位於線路基板110 的内層上’其中接塾112與第一内線路層117a或是第二内 3L117b為―體成型,且開σ 136貫穿封裝膠體13〇 、°邊^134以及線路基板110,而多個填充物138填滿 導電層140覆蓋各開口136的側壁撕, 並連接側壁136a所暴露出的各接墊112。 導^紐連接導電層與基板的接塾,可在使 以降低封裝膠體的部分厚度,如此一 ::,製程產量。在本實施例的封裝:: 層可有效地加強封|結構之電磁干ί 屏蔽的效果。此外,可增加封裝結構的可 種设计可相容於高頻元件的封裝結構, (radio frequency device)。 疋射頻元件 ,然本發明已以實施例揭露如上,然 本發明,任何所屬技術領域中具有通常知气去1限疋 本發明之精神和範圍内,當可作些許者’在不脫離 發明之保護範圍當視後附之申請專利範: 【圖式簡單說明】 圖1A〜圖1H繪示本發明—實施例 一 的製程示意圖。 半V體元件封裝 { S.1 17 1376779 ASEK2276-NEW-FINAL-TW-20100520 圖2示範性地繪示圖1E中的結構的立體圖。 圖3A〜圖3C繪示本發明一實施例之圖1E之結構的局 部上視圖。 圖4A〜圖4D繪示本發明另一實施例之半導體元件封 裝的製程中的某些步驟的示意圖。 圖5繪示本發明一實施例之半導體元件封裝結構的剖 面圖。 圖6繪示本發明另一實施例之半導體元件封裝結構的 剖面圖。 【主要元件符號說明】 100、500、600 :封裝結構 102 :線路基板條 110 :線路基板 110a :承載面 110b :底面 112 :接墊 112a、130a、134b :頂面 115 :頂線路層 117a :第一内線路層 117b :第二内線路層 119、130b、136a、134a :側壁(或側面) 120 :電子元件(或半導體元件) 130 :封裝膠體
Claims (1)
- ^ fei 民梦(更)正本 沏-3-26 七、 申請專利範圍: 1· 一種半導體元件封裝,包括: 〜線路基板,包括: 一承載面; 一底面,相對於該承載面;以及 一接墊; 板; -電子兀件,鄰近該承載面並電性連接至該線路基 扭_〜封裝膠體,鄰近該承载面並包覆該電子元件,診4+ 、多體包括一中心部與一圍繞該中心部的周邊部,其^ 該周邊部的厚度小於該中心部的厚度; ▲形成在該周邊部的一開口暴露出該線路基板的 5亥接塾; :導電層’共職覆蓋該封裝雜,並穿過該開口以 接4線路基板的該接墊;以及 一填充物,配置於該開口中。 2. 如申請專利範圍第1項所述之半導體元件封装, 其中: 、 該線路基板包括-側面,制伸於該承載面與該 底面之間; ' 該封裝膠體的該周邊部包括一侧面;以及 該周邊部的該側面實質上共平面於該線路基板的該側 面。 3. 如巾料職圍第丨項所述之半導體元件封裝, 20 1376779 其中該周邊部的厚度實質上相等。 4. 如申請專利範圍第1項所述之半導體元件封敦, 其中該開口暴露該接墊的一頂面,且該導電層覆蓋該開^口 的—側壁以及該接墊的該頂面。 "汗口 5.如申請專利範圍第4項所述之半導體元件封穿 其中該接墊鄰近該線路基板的該承載面。 、6·如申請專利範圍第1項所述之半導體元件封裝 其中: * 該接墊配置於該線路基板中; '該開口貫穿該封裝膠體的該周邊部以及該線路基板 該導電層覆蓋該開口的一侧壁以及連接該接墊, 墊暴露於該側壁。 7. 如申請專利範圍第6項所述之半導體元件封妒, 其中該接墊鄰近該承載面或鄰近該底面。 义,8. 如申請專利範圍第1項所述之半導體元件封驶 其中該接墊係接地。 、、, 9. 如申請專利範圍第1項所述之半導體元件封妒, 其中該開口包括一圓形孔洞、一線形開槽或是一環形溝^。 10. —種半導體元件封裝的製作方法,包括:v/ k供一線路基板條,該線路基板條包括: 一承載面; 一底面,相對於該承載面;以及 一線路基板; S 21 101-3-26 電早配fr電子元件,該電子元件鄰近該承載面,其中該 宅子凡件連接該線路基板; 人 電子封裝膠體’該封裝膠體鄰近該承載面並包覆該 ㈣1 =賴祕基㈣—邊緣對該封㈣體進行一半切 ’以形成該封裝膠體的一周邊部,該周邊部沿著 j路基板㈣邊緣延伸’其中該封裝雜的該周邊 厗度小於該封裝膠體的一中心部的厚度; q 签;在該周邊部形成—開σ,以暴露該線路基板的—接 成""導電層’以共形地覆蓋該封裝膠體,其中該導 電曰透過該開口而連接至該線路基板的該接墊;以及 配置一填充物於該開口中。 ^如申請專利範圍第10項所述之半導體元件 的I作方法,其中該周邊部的厚度實質上相等。 、 α如申請專利範㈣10項所述之半導體 ===更包括沿著該線路基板的該邊緣對該封裝^ ί _製程,以使該線路基板座兮 線路基板條的其他部分分離,並使關邊 ^ 的其他部分分離。 η郷體 13. 如申請專利範圍第1〇項所述之半導體元 的製作方法,其中形成該開口的方法包括雷射鑽孔。封裝 14. 如申請專利範圍第U項所述之半導體 的製作方法,其中該接㈣近魏路基板條賴承載面。、 1376779 1〇1·3-26 15. 如申請專利範圍第13項所述之半導體元件 的製作方法’其中該導電層覆蓋該開口的—側壁與該= 的一頂面。 、X塾 16. 如申請專利範圍第1〇項所述之半導體元件 的製作方法’其巾形成該開口的方法包括機械鑽孔。、、 17. 如申請專利範圍第16項所述之半導體元件^製作方法’其中該接減置於該線路基板條的—内^ 中’且該開口貫㈣封轉體的該周邊部以及該線路基& .χ 丁兩号不』乾圍第16項所述之半導體元件封穿 作方法,其中該導電層覆蓋該開口的—側壁並連接i 露於該側壁的該接墊。 使恭 的制Γ 士 ”請專_圍第1G項所述之半導體元件封農 中^ 〉,更包括在形成該導電層之後填充該開口,i 電法包括電鍵-金屬材料或是印刷-非導S 23 1376779八、圓式: 〆年多月日修正替換頁S 1376779〇22ί %§ g Ο g CD '—丽 § (S »r_g 二 5 V v i 〇 ^ t—丽 U §g i' 13767791376779Dmcsa qm〇0U 061 I q〇£loocl § § 8i【061 8Π 1-Ί-Ψ_Λ—I-H CVJC2 Kloil q〇u cvlu m JL丽 1376779ou q〇u ou oslCNJu s OL 丽S mem1376779Η丽CD ΓΌ 丽s 1376779 囑1囑_啤·_^ ^ S S β^ul ^22012I— Oil 2CVJU Ds s V寸丽 ou 0OU a寸® ou q〇u s Ds s 1376779V ^―· V0 0opoooo OU ,r t i 1 概 OU 0 0-0000 § Douoorol 不olooloRp o寸丽 trol § qi OSl s 09£l s 不 oouoofl οοίι 0U _ 0 £olDolocyQ 3 mria α寸丽 001 s 13767791仙l g 參 g p 〇LO Μ g1376779 μ年?月么日修(更)正替換頁S
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2009
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-
2010
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CN102074516A (zh) | 2011-05-25 |
US8030750B2 (en) | 2011-10-04 |
CN102074516B (zh) | 2012-07-25 |
TW201119003A (en) | 2011-06-01 |
US20110115066A1 (en) | 2011-05-19 |
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