CN104795356A - 半导体封装件及其制法 - Google Patents
半导体封装件及其制法 Download PDFInfo
- Publication number
- CN104795356A CN104795356A CN201410039516.7A CN201410039516A CN104795356A CN 104795356 A CN104795356 A CN 104795356A CN 201410039516 A CN201410039516 A CN 201410039516A CN 104795356 A CN104795356 A CN 104795356A
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- Prior art keywords
- substrate
- semiconductor package
- making
- metal column
- redistribution layer
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000000758 substrate Substances 0.000 claims abstract description 81
- 239000002184 metal Substances 0.000 claims abstract description 79
- 229910052751 metal Inorganic materials 0.000 claims abstract description 79
- 239000000084 colloidal system Substances 0.000 claims abstract description 24
- 238000004806 packaging method and process Methods 0.000 claims abstract description 13
- 238000012856 packing Methods 0.000 claims description 22
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 239000003755 preservative agent Substances 0.000 claims description 6
- 230000002335 preservative effect Effects 0.000 claims description 6
- 229910000679 solder Inorganic materials 0.000 abstract description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000011469 building brick Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011889 copper foil Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Classifications
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Abstract
一种半导体封装件及其制法,该制法包括:接置第一基板于第二基板上,该第一基板的一表面上设有多个第一金属柱,该第二基板具有相对的第三表面与第四表面,该第三表面上设有芯片,该第一基板藉由该第一金属柱连接该第二基板的第三表面;于该第一基板与第二基板间形成封装胶体,令该封装胶体具有面向该第一基板的第一表面及与其相对的第二表面;以及移除该第一基板。本发明能有效避免焊料桥接现象。
Description
技术领域
本发明涉及一种半导体封装件及其制法,尤指一种用于堆栈式封装件的半导体封装件及其制法。
背景技术
近年来,由于各种电子产品在尺寸上是日益要求轻、薄及小,因此可节省基板平面面积并可同时兼顾处理性能的堆栈式封装件(package on package,PoP)愈来愈受到重视。
图1所示者为现有的堆栈式封装件,如图所示,该堆栈式封装件为使用焊球11来作为底层封装基板12与顶层封装基板13之间的电性连接用途的互连结构(interconnection),然而,由于封装件的输入/输出(I/O)的电性连接密度增加,在堆栈封装件的尺寸不变的情况下,焊球11间的间距必须减小,使得焊球11容易于回焊时桥接。
因此,如何避免上述现有技术中的种种问题,实为目前业界所急需解决的课题。
发明内容
有鉴于上述现有技术的缺失,本发明的主要目的为提供一种半导体封装件及其制法,能有效避免焊料桥接现象。
本发明的半导体封装件的制法包括:接置第一基板于第二基板上,其中,该第一基板的一表面上设有多个第一金属柱,该第二基板具有其上设有芯片的第三表面与相对于该第三表面的第四表面,供该第一基板藉由该第一金属柱连接该第二基板的第三表面;于该第一基板与第二基板间形成封装胶体,令该封装胶体具有面向该第一基板的第一表面及与其相对的第二表面;以及移除该第一基板。
于前述的制法中,该第三表面上还具有多个电性连接垫,供该第一基板藉由该第一金属柱对应电性连接该电性连接垫而接置于该第二基板上,该第一基板包括依序层叠的介电层、第一金属层与第二金属层,且该第一金属柱设于该第二金属层上。
依上所述的半导体封装件的制法,移除该第一基板包括先移除该介电层与第一金属层,再移除该第二金属层,该第一金属柱的顶端上还设有导电组件,各该电性连接垫上还设有第二金属柱,以对应电性连接该第一金属柱。
于本发明的制法中,该第二金属柱的顶端上还设有导电组件,于移除该第一基板后,还包括于该第一金属柱上形成有机保焊剂,于移除该第一基板后,还包括于该第四表面上形成多个导电组件。
所述的制法中,该第二基板包括依序层叠的第一承载板与黏着层,且该第一金属柱连接至该黏着层,且于移除该第一基板后,还包括移除该第二基板,并于该第二表面上形成第二线路重布层,于移除该第一基板后,还包括于该第一表面上形成第一线路重布层。
又依上所述的半导体封装件的制法,于形成该第一线路重布层后,还包括于该第一线路重布层上接置第二承载板,并移除该第二基板,于该第二表面上形成第二线路重布层,移除该第二承载板,于形成该第二线路重布层后,还包括于该第二线路重布层上形成多个导电组件。
本发明还提供一种半导体封装件,其包括:封装胶体,其具有相对的第一表面与第二表面;芯片,其嵌埋于该封装胶体内,且外露于该封装胶体的第二表面;多个金属柱,其设于该封装胶体中,且贯穿该第一表面与第二表面;第一线路重布层,其形成于该第一表面上,且电性连接该金属柱;以及第二线路重布层,其形成于该第二表面上,且电性连接该芯片与金属柱。
前述的半导体封装件中,还包括形成于该第二线路重布层上的多个导电组件。
由上可知,本发明的半导体封装件及其制法以金属柱来电性连接上下基板,该金属柱所占的空间较现有技术的焊球小,因此可适用于细间距的封装需求,并避免焊料桥接。
附图说明
图1为现有堆栈封装结构的剖视图。
图2A至图2I为本发明的半导体封装件的制法的第一实施例及该半导体封装件的应用例的剖视图,其中,图2B’为图2B的另一实施例,图2C’与图2C”为图2C的不同实施例,图2D’为图2D的另一实施例。
图3A至图3K为本发明的半导体封装件的制法的第二实施例及该半导体封装件的应用例的剖视图。
主要组件符号说明
11 焊球
12 底层封装基板
13 顶层封装基板
20 第一基板
201 介电层
202 第一金属层
203 第二金属层
204 第一金属柱
205、213、24 导电组件
21、30 第二基板
21a、30a 第三表面
21b、30b 第四表面
211 电性连接垫
212 第二金属柱
22 芯片
23 封装胶体
23a 第一表面
23b 第二表面
25 电子组件
2、3 半导体封装件
301 第一承载板
302、33 黏着层
31 第一线路重布层
32 第二承载板
34 第二线路重布层。
具体实施方式
以下藉由特定的具体实施例说明本发明的实施方式,本领域技术人员可由本说明书所揭示的内容轻易地了解本发明的其它优点及功效。
须知,本说明书所附图式所绘示的结构、比例、大小等,均仅用以配合说明书所揭示的内容,以供本领域技术人员的了解与阅读,并非用以限定本发明可实施的限定条件,故不具技术上的实质意义,任何结构的修饰、比例关系的改变或大小的调整,在不影响本发明所能产生的功效及所能达成的目的下,均应仍落在本发明所揭示的技术内容得能涵盖的范围内。同时,本说明书中所引用的用语,亦仅为便于叙述的明了,而非用以限定本发明可实施的范围,其相对关系的改变或调整,在无实质变更技术内容下,当亦视为本发明可实施的范畴。
第一实施例
请参阅图2A至图2I,其为本发明的半导体封装件的制法的第一实施例及该半导体封装件的应用例的剖视图。
首先,如图2A所示,提供一第一基板20,其可包括依序层叠的介电层201、第一金属层202与第二金属层203,形成该介电层201的材质可为FR4,该第一金属层202可为铜层,该第二金属层203可为铜箔。
如图2B所示,于该第一基板20的第二金属层203上设有多个第一金属柱204,形成该第一金属柱204的材质可为铜,且该第一金属柱204的顶端上还设有导电组件205,例如焊料;或者,如图2B’所示,不设有该导电组件205。
如图2C所示,提供一第二基板21,其材质例如为BT基板、FR-4基板或陶瓷基板,该第二基板21具有相对的第三表面21a与第四表面21b,该第三表面21a上设有芯片22,该第三表面21a上还具有多个电性连接垫211;或者,如图2C’所示,各该电性连接垫211上还设有第二金属柱212;或者,如图2C”所示,各该第二金属柱212上还设有导电组件213,例如焊料。
如图2D所示,于该第二基板21上接置该第一基板20,该第一基板20藉由该第一金属柱204对应电性连接该电性连接垫211;或者,如图2D’所示,该第一基板20藉由该第一金属柱204对应电性连接该第二金属柱212。
如图2E所示,其为延续自图2D,于该第一基板20与第二基板21间形成封装胶体23,令该封装胶体23具有面向该第一基板20的第一表面23a及与其相对的第二表面23b。
如图2F所示,以例如剥除的方式移除该介电层201与第一金属层202。
如图2G所示,以例如蚀刻的方式移除该第二金属层203,以外露该第一金属柱204,并视需要于该第一金属柱204上形成有机保焊剂(Organic Solderability Preservative,OSP)(未图标)。
如图2H所示,于该第四表面21b上形成多个导电组件24,至此即完成本发明的半导体封装件2。
如图2I所示,于该第一金属柱204上接置另一电子组件25,例如封装结构或其它半导体芯片。
第二实施例
请参阅图3A至图3K,其为本发明的半导体封装件的制法的第二实施例及该半导体封装件的应用例的剖视图。
首先,如图3A所示,提供一第二基板30,该第二基板30包括依序层叠的第一承载板301与黏着层302,该第二基板30具有相对的第三表面30a与第四表面30b,该第三表面30a上设有芯片22,该第一承载板301的材质例如为玻璃或硅,其型态可为晶圆型(wafer form)或板型(pannel form)。
如图3B所示,提供一第一基板20,其可包括依序层叠的介电层201、第一金属层202与第二金属层203,形成该介电层201的材质可为FR4,该第一金属层202可为铜层,该第二金属层203可为铜箔,于该第一基板20的第二金属层203上设有多个第一金属柱204,于该第二基板30上接置该第一基板20,该第一基板20藉由该第一金属柱204连接至该黏着层302。
如图3C所示,于该第一基板20与第二基板30间形成封装胶体23,令该封装胶体23具有面向该第一基板20的第一表面23a及与其相对的第二表面23b。
如图3D所示,以例如剥除的方式移除该介电层201与第一金属层202。
如图3E所示,以例如蚀刻的方式移除该第二金属层203,以外露该第一金属柱204,并视需要于该第一金属柱204上形成有机保焊剂(Organic Solderability Preservative,OSP)(未图标)。
如图3F所示,于该第一表面23a上形成第一线路重布层31。
如图3G所示,移除该第二基板30。
如图3H所示,视需要藉由黏着层33于该第一线路重布层31上接置第二承载板32。
如图3I所示,于该第二表面23b上形成第二线路重布层34。
如图3J所示,于该第二线路重布层34上形成多个导电组件24,至此即完成本发明的半导体封装件3。
如图3K所示,于该第一金属柱204上接置另一电子组件25,例如封装结构或其它半导体芯片。
本发明还提供一种半导体封装件,如图3J所示,其包括:封装胶体23,其具有相对的第一表面23a与第二表面23b;芯片22,其嵌埋于该封装胶体23内,且外露于该封装胶体23的第二表面23b;多个第一金属柱204,其设于该封装胶体23中,且贯穿该第一表面23a与第二表面23b;第一线路重布层31,其形成于该第一表面23a上,且电性连接该第一金属柱204;以及第二线路重布层34,其形成于该第二表面23b上,且电性连接该芯片22与第一金属柱204。
前述的半导体封装件中,还包括形成于该第二线路重布层34上的多个导电组件24。
综上所述,相较于现有技术,本发明的半导体封装件及其制法以金属柱来电性连接上下基板,并于形成封装胶体后移除上基板,由于该金属柱所占的空间较焊球小,因此可适用于细间距(fine pitch)的封装需求,并可避免焊料桥接,进而提高产品良率。
上述实施例仅用以例示性说明本发明的原理及其功效,而非用于限制本发明。任何本领域技术人员均可在不违背本发明的精神及范畴下,对上述实施例进行修改。因此本发明的权利保护范围,应如权利要求书所列。
Claims (15)
1.一种半导体封装件的制法,其包括:
接置第一基板于第二基板上,其中,该第一基板的一表面上设有多个第一金属柱,该第二基板具有其上设有芯片的第三表面与相对于该第三表面的第四表面,供该第一基板藉由该第一金属柱连接该第二基板的第三表面;
于该第一基板与第二基板间形成封装胶体,令该封装胶体具有面向该第一基板的第一表面及与其相对的第二表面;以及
移除该第一基板。
2.根据权利要求1所述的半导体封装件的制法,其特征在于,该第三表面上还具有多个电性连接垫,供该第一基板藉由该第一金属柱对应电性连接该电性连接垫而接置于该第二基板上。
3.根据权利要求2所述的半导体封装件的制法,其特征在于,各该电性连接垫上还设有第二金属柱,以对应电性连接该第一金属柱。
4.根据权利要求3所述的半导体封装件的制法,其特征在于,该第二金属柱的顶端上还设有导电组件。
5.根据权利要求1所述的半导体封装件的制法,其特征在于,该第一金属柱的顶端上还设有导电组件。
6.根据权利要求1所述的半导体封装件的制法,其特征在于,该第一基板包括依序层叠的介电层、第一金属层与第二金属层,且该第一金属柱设于该第二金属层上。
7.根据权利要求6所述的半导体封装件的制法,其特征在于,移除该第一基板包括先移除该介电层与第一金属层,再移除该第二金属层。
8.根据权利要求1所述的半导体封装件的制法,其特征在于,于移除该第一基板后,还包括于该第一金属柱上形成有机保焊剂。
9.根据权利要求1所述的半导体封装件的制法,其特征在于,于移除该第一基板后,还包括于该第四表面上形成多个导电组件。
10.根据权利要求1所述的半导体封装件的制法,其特征在于,该第二基板包括依序层叠的第一承载板与黏着层,且该第一金属柱连接至该黏着层,且于移除该第一基板后,还包括移除该第二基板,并于该第二表面上形成第二线路重布层。
11.根据权利要求10所述的半导体封装件的制法,其特征在于,于形成该第二线路重布层后,还包括于该第二线路重布层上形成多个导电组件。
12.根据权利要求1所述的半导体封装件的制法,其特征在于,于移除该第一基板后,还包括于该第一表面上形成第一线路重布层。
13.根据权利要求12所述的半导体封装件的制法,其特征在于,于形成该第一线路重布层后,还包括于该第一线路重布层上接置第二承载板,并移除该第二基板,于该第二表面上形成第二线路重布层,移除该第二承载板。
14.一种半导体封装件,包括:
封装胶体,其具有相对的第一表面与第二表面;
芯片,其嵌埋于该封装胶体内,且外露于该封装胶体的第二表面;
多个金属柱,其设于该封装胶体中,且贯穿该第一表面与第二表面;
第一线路重布层,其形成于该第一表面上,且电性连接该金属柱;以及
第二线路重布层,其形成于该第二表面上,且电性连接该芯片与金属柱。
15.根据权利要求14所述的半导体封装件,其特征在于,该封装件还包括形成于该第二线路重布层上的多个导电组件。
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TW103101561A TWI550791B (zh) | 2014-01-16 | 2014-01-16 | 半導體封裝件及其製法 |
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US20150200169A1 (en) | 2015-07-16 |
TW201530714A (zh) | 2015-08-01 |
TWI550791B (zh) | 2016-09-21 |
US20160233205A1 (en) | 2016-08-11 |
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