US20190043806A1 - Method of manufacturing chip package structure with conductive pillar - Google Patents
Method of manufacturing chip package structure with conductive pillar Download PDFInfo
- Publication number
- US20190043806A1 US20190043806A1 US16/157,108 US201816157108A US2019043806A1 US 20190043806 A1 US20190043806 A1 US 20190043806A1 US 201816157108 A US201816157108 A US 201816157108A US 2019043806 A1 US2019043806 A1 US 2019043806A1
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- United States
- Prior art keywords
- semiconductor component
- conductive pillars
- chip package
- encapsulant
- pillars
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- 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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- H01L23/538—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames the interconnection structure between a plurality of semiconductor chips being formed on, or in, insulating substrates
- H01L23/5389—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames the interconnection structure between a plurality of semiconductor chips being formed on, or in, insulating substrates the chips being integrally enclosed by the interconnect and support structures
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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
- H01L24/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L24/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L24/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
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- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
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- H01L2924/1532—Connection portion the connection portion being formed on the die mounting surface of the substrate
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- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/181—Encapsulation
- H01L2924/1815—Shape
- H01L2924/1816—Exposing the passive side of the semiconductor or solid-state body
- H01L2924/18162—Exposing the passive side of the semiconductor or solid-state body of a chip with build-up interconnect
Definitions
- the present invention generally relates to chip package structure and a manufacturing method thereof. More particularly, the present invention relates to a stacked type chip package structure and a manufacturing method thereof.
- a semiconductor device called a “substrate with a built-in chip” in which a chip and the like are buried in a substrate made of resin and the like and a semiconductor device in which an insulating layer and a wiring layer are formed on the chip.
- semiconductor devices such as a substrate with a built-in chip, it is necessary to bury a chip in the insulating layer, and further form a via hole through the insulating layer to electrically connect an electrode pad on the chip to an external electric terminal.
- the via hole is typically formed by using a laser beam.
- the laser beam passes through the insulating layer, and the electrode pad of the chip made of Al and the like may be flied apart by irradiation of the laser beam.
- the device including a semiconductor chip is disadvantageously damaged.
- the present invention is directed to a chip package structure, which has favourable reliability, lower production cost and thinner overall thickness.
- the present invention is further directed to a manufacturing method of the chip package structure, which improves reliability and yield of the stacked type chip package structure and reduces production cost and overall thickness of the stacked type chip package structure.
- the present invention provides a chip package structure includes a first semiconductor component, a plurality of first conductive pillars, a first encapsulant and a first redistribution layer.
- the first semiconductor component includes a plurality of first pads.
- the first conductive pillars are disposed on the first pads, wherein each of the first conductive pillars is a solid cylinder including a top surface and a bottom surface, and a diameter of the top surface is substantially the same as a diameter of the bottom surface.
- the first encapsulant encapsulates the first semiconductor component and the first conductive pillars, wherein the first encapsulant exposes the top surface of each of the first conductive pillars.
- the first redistribution layer is disposed on the first encapsulant and electrically connected to the first conductive pillars.
- the present invention provides a manufacturing method of a chip package structure, and the method includes the following steps.
- a first semiconductor component is disposed on a first carrier, wherein the first semiconductor component includes a first active surface and a plurality of first pads disposed on the first active surface.
- a plurality of first conductive pillars are formed on the first pads, wherein each of the first conductive pillars is a solid cylinder including a top surface and a bottom surface, and a diameter of the top surface is substantially the same as a diameter of the bottom surface.
- a first encapsulant is formed to encapsulate the first semiconductor component and the first conductive pillars, wherein the first encapsulant exposes the top surface of each of the first conductive pillars.
- a first redistribution layer is formed on the first encapsulant, wherein the first redistribution layer is electrically connected to the first conductive pillars. The first carrier is removed.
- At least one semiconductor component is disposed on the first carrier, and the conductive pillars are formed on the semiconductor component.
- the encapsulant is formed to encapsulate the semiconductor component and expose the top surface of the conductive pillars, and the redistribution layer is formed on the encapsulant to electrically connect the semiconductor component.
- multiple semiconductor component are sequentially stacked on the redistribution layer, and the steps of forming conductive pillars/through pillars, encapsulant and redistribution layer may be repeated to form the stacked type chip package structure.
- the thickness of the chip package structure may be further reduced, and the process of forming conductive vias for the semiconductor component by laser drilling may be omitted, so as to reduce the production cost of the chip package structure.
- the damage to the pads of the semiconductor component caused by laser may be avoided since the laser drilling process is omitted herein.
- the conductive pillars of the invention are solid cylinders pre-formed on the semiconductor component, while the via formed by laser process is in a taper shape with voids inside. Therefore, the conductive pillars may have better electrical performance, and the gap between any two adjacent conductive pillars may be reduced.
- FIG. 1 to FIG. 7 illustrate cross-sectional views of a manufacturing process of a chip package structure according to an embodiment of the invention.
- FIG. 8 illustrates a cross-sectional view of a chip package structure according to an embodiment of the invention.
- FIG. 9 illustrates a cross-sectional view of a chip package structure according to an embodiment of the invention.
- FIG. 10 to FIG. 13 illustrate cross-sectional views of a manufacturing process of a chip package structure according to an embodiment of the invention.
- FIG. 14 illustrates a cross-sectional view of a chip package structure according to an embodiment of the invention.
- FIG. 15 illustrates a cross-sectional view of a chip package structure according to an embodiment of the invention.
- FIG. 16 to FIG. 19 illustrate cross-sectional views of a part of a manufacturing process of a chip package structure according to an embodiment of the invention.
- FIG. 1 to FIG. 7 illustrate cross-sectional views of a manufacturing process of a chip package structure according to an embodiment of the invention.
- a manufacturing process of a chip package structure may include the following steps. Referring to FIG. 1 , a first semiconductor component 110 is disposed on a first carrier 10 as shown in FIG. 1 .
- the first semiconductor component 110 may be a chip.
- the first semiconductor component 110 may include a first active surface 112 and a plurality of first pads 114 disposed on the first active surface 112 . Then, a plurality of first conductive pillars 116 are formed on the first pads 114 .
- Each of the first conductive pillars 116 is a solid pillar.
- a first conductive pillar 116 may include a top surface and a bottom surface parallel and opposite to the top surface.
- a dimension of the top surface of each first conductive pillar 116 is substantially the same as a dimension of the bottom surface of each first conductive pillar 116 as shown in FIG. 1 .
- Each first conductive pillar 116 may have a uniform dimension from top to bottom.
- each of the first conductive pillars 116 is a solid cylinder.
- a diameter of the top surface of each first conductive pillar 116 is substantially the same as a diameter of the bottom surface of each first conductive pillar 116 .
- Each first conductive pillar 116 may have a uniform diameter from top to bottom.
- the first conductive pillars 116 may be formed by electroplating process, but the invention is not limited thereto.
- a first encapsulant 120 is formed to encapsulate the first semiconductor component 110 and the first conductive pillars 116 .
- the first encapsulant 120 exposes the top surface of each first conductive pillar 116 .
- the first encapsulant 120 may completely cover the first semiconductor component 110 and the first conductive pillars 116 .
- a grinding process may be performed on the first encapsulant 120 until the top surface of each first conductive pillar 116 is exposed.
- a top surface of the first encapsulant 120 is coplanar with the top surface of each first conductive pillar 116 as shown in FIG. 2 . With such configuration, the thickness of the chip package structure may be further reduced.
- the process of forming conductive vias for the first semiconductor component 110 by laser drilling may be omitted. Accordingly, the production cost of the chip package structure may be reduced. Also, the damage to the first pads 114 caused by laser may be avoided since the laser drilling process is omitted herein.
- the pre-made conductive pillar 116 is solid cylinders while the via formed by laser process is in a taper shape with voids inside. Therefore, the conductive pillar 116 may have better electrical performance, and the gap between any two adjacent conductive pillars 116 may be reduced.
- a first redistribution layer 122 is formed on the first encapsulant 120 as shown in FIG. 2 and the first carrier 10 may be removed.
- the first redistribution layer 122 is electrically connected to the first semiconductor component 110 through the first conductive pillars 116 .
- a plurality of solder balls 170 may be formed on the first redistribution layer 122 and electrically connected to the first redistribution layer 122 , such that the chip package structure 100 may be electrically connected to an external device through the solder balls 170 .
- the manufacturing process of the chip package structure 100 may be substantially done.
- a sub chip package 180 may be disposed on the first solder balls 170 of the chip package structure 100 , and electrically connected to the first solder balls 170 .
- the method of forming the sub chip package 180 may include the following steps. Firstly, referring to FIG. 4 , a second semiconductor component 130 is disposed on a second carrier 20 .
- the second semiconductor component 130 may include a second active surface and a plurality of second pads disposed on the second active surface.
- a plurality of second conductive pillars 132 are formed on the second pads of the second semiconductor component 130 .
- each second conductive pillar 132 is a solid pillar.
- a dimension of the top surface of each second conductive pillar 132 is substantially the same as the dimension of the bottom surface of each second conductive pillar 132 .
- each of the second conductive pillar 132 is a solid cylinder.
- a diameter of the top surface of each second conductive pillar 132 is substantially the same as a diameter of the bottom surface of each second conductive pillar 132 .
- the second conductive pillar 132 is similar to the first conductive pillars 116 except the length of each second conductive pillar 132 may be shorter than each first conductive pillars 116 .
- a plurality of through pillars 154 are formed on the second carrier 20 . In the present embodiment, the through pillars 154 surround the second semiconductor component 130 .
- a second encapsulant 150 is formed to encapsulate the second semiconductor component 130 , the second conductive pillars 132 and the through pillars 154 .
- the second encapsulant 150 exposes the upper surface of each second conductive pillar 132 and the upper surface of each through pillar 154 .
- the second encapsulant 150 may completely cover the second semiconductor component 130 , the second conductive pillars 132 and the through pillars 154 .
- a grinding process may be performed on the second encapsulant 150 until the upper surfaces of the second conductive pillars 132 and the through pillar 154 are exposed, so as to be electrically connected to a second redistribution layer 152 subsequently formed.
- a second redistribution layer 152 is formed on the second encapsulant 150 and electrically connected to the second conductive pillars 132 and the through pillars 154 . Also, a plurality of solder balls 170 may be formed on the second redistribution layer 152 and the second carrier 20 may be removed. At the time, the manufacturing process of the sub chip package 180 may be substantially done.
- the sub chip package 180 may be mounted on the chip package structure 100 shown in FIG. 3 through the solder balls 170 .
- similar process illustrated in FIG. 4 to FIG. 6 may be repeated to form another sub chip package 190 and then the sub chip package 190 may be mounted on the sub chip package 180 to form the chip package structure 100 a shown in FIG. 7 .
- the present embodiment is merely for illustration. The number and the formation of the sub chip package are not limited in the present invention.
- FIG. 8 illustrates a cross-sectional view of a chip package structure according to an embodiment of the invention. It is noted that the chip package structure 100 b as shown in FIG. 8 contains many features same as or similar to the chip package structure 100 disclosed earlier with FIG. 3 . For brevity, detailed description of same or similar features may be omitted, and the same or similar reference numbers denote the same or like components.
- a second semiconductor component 130 is disposed on the first active surface 112 of the first semiconductor component 110 . Then, the first encapsulant 120 encapsulates first semiconductor component 110 and the second semiconductor component 130 , and the second semiconductor component 130 is configured to be electrically connected to the first redistribution layer 122 .
- the second semiconductor component 130 may be an interposer having a plurality of through pillars as it is illustrated in FIG. 8 , and the first redistribution layer 122 is electrically connected to the second semiconductor component 130 .
- FIG. 9 illustrates a cross-sectional view of a chip package structure according to an embodiment of the invention. It is noted that the chip package structure 100 c as shown in FIG. 9 contains many features same as or similar to the chip package structure 100 disclosed earlier with FIG. 3 . For purpose of clarity and simplicity, detail description of same or similar features may be omitted, and the same or similar reference numbers denote the same or like components.
- the second semiconductor component 130 may be a chip package including a chip 134 , a molding material 136 , a plurality of through pillars 139 and a redistribution circuit 138 .
- the pads of the chip 134 faces the first semiconductor component 110 , and the molding material 136 encapsulates the chip 134 .
- the redistribution circuit 138 is disposed on the molding material 136 and disposed between the first active surface 112 and the molding material 136 .
- the redistribution circuit 138 is electrically connected to the chip 134 , and the through pillars 139 penetrate the molding material 136 to electrically connect the first redistribution layer 122 and the redistribution circuit 138 .
- FIG. 10 to FIG. 13 illustrate cross-sectional views of a manufacturing process of a chip package structure according to an embodiment of the invention. It is noted that the manufacturing process of the chip package structure 100 d as shown in FIG. 10 to FIG. 13 contains many features same as or similar to the manufacturing process of the chip package structure 100 disclosed earlier with FIG. 1 to FIG. 3 . For purpose of clarity and simplicity, detail description of same or similar features may be omitted, and the same or similar reference numbers denote the same or like components.
- a second semiconductor component 130 is disposed on the first active surface 112 of the first semiconductor component 110 . Then, a plurality of second conductive pillars 132 are formed on the pads of the second semiconductor component 130 .
- Each second conductive pillar 132 is a solid pillar similar to the first conductive pillar 116 .
- the first encapsulant 120 encapsulates the first semiconductor component 110 , the second semiconductor component 130 , the first conductive pillars 116 and the second conductive pillars 132 , and the first encapsulant 120 exposes the upper surfaces of the first conductive pillars 116 and the second conductive pillars 132 , such that the first conductive pillars 116 and the second conductive pillars 132 are electrically connected to the first redistribution layer 122 subsequently formed.
- the first encapsulant 120 may completely cover the first semiconductor component 110 , the second semiconductor component 130 , the first conductive pillars 116 and the second conductive pillars 132 .
- a grinding process may be performed on the first encapsulant 120 until the top surfaces of the first conductive pillars 116 and the second conductive pillars 132 are exposed. As such, a top surface of the first encapsulant 120 is coplanar with the top surfaces of the first conductive pillars 116 and the second conductive pillars 132 as shown in FIG. 11 .
- the thickness of the chip package structure may be further reduced.
- the process of forming conductive vias for the semiconductor components 110 , 130 by laser drilling may be omitted. Accordingly, the production cost of the chip package structure may be reduced. Also, the damage to the pads of semiconductor components 110 , 130 caused by laser may be avoided since the laser drilling process is omitted herein.
- the pre-made conductive pillars 116 , 132 is solid cylinders while the via formed by laser process is in a taper shape with voids inside. Therefore, the conductive pillars 116 , 132 may have better electrical performance, and the gap between any two adjacent conductive pillars 116 , 132 may be reduced.
- the first redistribution layer 122 is formed on the first encapsulant 120 as shown in FIG. 12 and the first carrier 10 may be removed.
- the first redistribution layer 122 is electrically connected to the first semiconductor component 110 and the second semiconductor component 130 through the first conductive pillars 116 and the second conductive pillars 132 .
- a plurality of solder balls 170 may be formed on the first redistribution layer 122 and electrically connected to the first redistribution layer 122 , such that the chip package structure 100 d may be electrically connected to an external device through the solder balls 170 .
- the manufacturing process of the chip package structure 100 d may be substantially done.
- FIG. 14 illustrates a cross-sectional view of a chip package structure according to an embodiment of the invention. It is noted that the chip package structure 100 e as shown in FIG. 14 contains many features same as or similar to the chip package structure 100 d disclosed earlier with FIG. 13 . For purpose of clarity and simplicity, detail description of same or similar features may be omitted, and the same or similar reference numbers denote the same or like components.
- the second semiconductor component 130 may include a chip 134 , a molding material 136 and a redistribution circuit 138 .
- the pads of the chip 134 faces away from the first semiconductor component 110 , and the molding material 136 encapsulates the chip 134 .
- the redistribution circuit 138 is formed on the molding material 136 and electrically connected to the chip 134 and the second conductive pillars 132 .
- FIG. 15 illustrates a cross-sectional view of a chip package structure according to an embodiment of the invention. It is noted that the chip package structure 100 f as shown in FIG. 15 contains many features same as or similar to the chip package structure 100 e disclosed earlier with FIG. 14 . For purpose of clarity and simplicity, detail description of same or similar features may be omitted, and the same or similar reference numbers denote the same or like components.
- the second conductive pillars 132 are formed on the second semiconductor component 130 and connect between the first active surface 112 of the first semiconductor component 110 and the second semiconductor component 130 , such that the second semiconductor component 130 is electrically connected to the first semiconductor component 110 through the second conductive pillars 132 .
- the second semiconductor component 130 includes a chip 134 , a molding material 136 and a redistribution circuit 138 .
- the pads of the chip 134 faces the first semiconductor component 110 , and the molding material 136 encapsulates the chip 134 .
- the redistribution circuit 138 is formed on the molding material 136 , so that the redistribution circuit 138 is disposed between the first active surface 112 of the first semiconductor component 110 and the molding material 136 .
- the redistribution circuit 138 is configured to be electrically connected to the chip 134 and the first semiconductor component 110 .
- a plurality of second conductive pillars 132 is formed on the second semiconductor component 130 before the first encapsulant 120 is formed.
- the second conductive pillars 132 may be firstly formed on the second semiconductor component 130 to be electrically connected to the redistribution circuit 138 . Then, the second semiconductor component 130 and the second conductive pillars 132 are mounted on the first active surface 112 of the first semiconductor component 110 , but the invention is not limited thereto.
- each of the second conductive pillars 132 is a solid pillar similar to the first conductive pillars 116 , and the second conductive pillars 132 are encapsulated by the first encapsulant 120 and connect between the first active surface 112 and the second semiconductor component 130 , such that the second semiconductor component 130 is electrically connected to the first semiconductor component 110 through the second conductive pillars 132 .
- FIG. 16 to FIG. 19 illustrate cross-sectional views of a part of a manufacturing process of a chip package structure according to an embodiment of the invention. It is noted that the manufacturing process of the chip package structure 100 g as shown in FIG. 16 to FIG. 19 contains many features same as or similar to the manufacturing process of the chip package structure 100 d disclosed earlier with FIG. 10 to FIG. 13 . For purpose of clarity and simplicity, detail description of same or similar features may be omitted, and the same or similar reference numbers denote the same or like components.
- the manufacturing process illustrated in FIG. 16 to FIG. 19 may be performed after the process illustrated in FIG. 12 , i.e. after the first redistribution layer 122 is formed on the first encapsulant 120 and the first carrier 10 is removed.
- a third semiconductor component 140 is disposed on the first redistribution layer 122 .
- a plurality of third conductive pillars 142 are formed on the pads of the third semiconductor component 140 to be electrically connected to the third semiconductor component 140 .
- Each of the third conductive pillars 142 is a solid pillar similar to the first conductive pillars 116 .
- each third conductive pillar 142 is about the same as the dimension of the lower surface of each third conductive pillar 142 .
- a plurality of through pillars 144 are formed on the first redistribution layer 122 .
- Each of the through pillars 144 is also a solid pillar similar to the first conductive pillars 116 .
- the dimension of the upper surface of each through pillar 144 is about the same as the dimension of the lower surface of each through pillar 144 .
- a fourth semiconductor component 160 is disposed on the third semiconductor component 140 . Then, a plurality of fourth conductive pillars 162 are formed on the pads of the fourth semiconductor component 160 to be electrically connected to the fourth semiconductor component 160 .
- Each of the fourth conductive pillars 162 is a solid pillar. In the present embodiment, the dimension of the upper surface of each fourth conductive pillar 162 is about the same as the dimension of the lower surface of each fourth conductive pillar 162 .
- the second encapsulant 150 is formed to encapsulate the third semiconductor component 140 , the fourth semiconductor component 160 , the third conductive pillars 142 , the fourth conductive pillars 162 and the through pillars 144 .
- the second encapsulant 150 exposes the upper surfaces of the third conductive pillars 142 , the fourth conductive pillars 162 and the through pillars 144 .
- the second encapsulant 150 may completely cover the upper surfaces of the third conductive pillars 142 , the fourth conductive pillars 162 and the through pillars 144 first.
- the grinding process is performed on the second encapsulant 150 until the upper surfaces of the third conductive pillars 142 , the fourth conductive pillars 162 and the through pillars 144 is exposed.
- the thickness of the chip package structure may be further reduced.
- the process of forming conductive vias for the semiconductor components 140 , 160 may be omitted. Accordingly, the production cost of the chip package structure may be reduced.
- a first redistribution layer 122 is formed on the first encapsulant 120 as shown in FIG. 2 .
- the first redistribution layer 122 is electrically connected to the first semiconductor component 110 through the first conductive pillars 116 .
- the damage to the pads of the semiconductor components 140 , 160 caused by laser may be avoided since the laser drilling process is omitted herein.
- the pre-made pillars 162 , 142 , 144 are solid cylinders while the via formed by laser process is in a taper shape with voids inside. Therefore, the pillars 162 , 142 , 144 may have better electrical performance, and the gap between any two adjacent pillars 162 , 142 , 144 may be reduced.
- a second redistribution layer 152 is formed on the second encapsulant 150 and the first carrier 10 is removed.
- the second redistribution layer 152 is electrically connected to the third conductive pillars 142 , the through pillars 144 and the fourth conductive pillars 162 .
- a plurality of solder balls 170 may be formed on and electrically connected to the second redistribution layer 152 , such that the chip package structure 100 g may be electrically connected to an external device through the solder balls 170 .
- the manufacturing process of the chip package structure 100 g may be substantially done.
- At least one semiconductor component is disposed on the carrier, and the conductive pillars are formed on the semiconductor component.
- the encapsulant is formed to encapsulate the semiconductor component and expose the top surface of the conductive pillars, and the redistribution layer is formed on the encapsulant to electrically connect the semiconductor component.
- multiple semiconductor component are sequentially stacked on the redistribution layer, and the steps of forming conductive pillars/through pillars, encapsulant and redistribution layer may be repeated to form the stacked type chip package structure.
- the thickness of the chip package structure may be further reduced, and the process of forming conductive vias for the semiconductor component by laser drilling may be omitted, so as to reduce the production cost of the chip package structure.
- the damage to the pads of the semiconductor component caused by laser may be avoided since the laser drilling process is omitted herein.
- the conductive pillars of the invention are solid cylinders pre-formed on the semiconductor component, while the via formed by laser process is in a taper shape with voids inside. Therefore, the conductive pillars may have better electrical performance, and the gap between any two adjacent conductive pillars may be reduced.
Abstract
A method of manufacturing a chip package structure comprising: disposing a first semiconductor component on a first carrier, wherein the first semiconductor component comprising a first active surface and a plurality of first pads disposed on the first active surface; forming a plurality of first conductive pillars on the first pads, wherein each of the first conductive pillars is a solid cylinder comprising a top surface and a bottom surface, and a diameter of the top surface is substantially the same as a diameter of the bottom surface; forming a first encapsulant to encapsulate the first semiconductor component and the first conductive pillars, wherein the first encapsulant exposes the top surface of each of the first conductive pillars; forming a first redistribution layer on the first encapsulant, wherein the first redistribution layer is electrically connected to the first conductive pillars; and removing the first carrier.
Description
- This application is a divisional application of U.S. application Ser. No. 15/599,477, filed on May 19, 2017, now allowed, which claims the priority benefit of U.S. provisional application Ser. No. 62/385,257, filed on Sep. 9, 2016. The entirety of each of the above-mentioned patent applications is hereby incorporated by reference herein and made a part of specification.
- The present invention generally relates to chip package structure and a manufacturing method thereof. More particularly, the present invention relates to a stacked type chip package structure and a manufacturing method thereof.
- Recently, attention has paid to a semiconductor device called a “substrate with a built-in chip” in which a chip and the like are buried in a substrate made of resin and the like and a semiconductor device in which an insulating layer and a wiring layer are formed on the chip. In semiconductor devices such as a substrate with a built-in chip, it is necessary to bury a chip in the insulating layer, and further form a via hole through the insulating layer to electrically connect an electrode pad on the chip to an external electric terminal.
- In general, the via hole is typically formed by using a laser beam. In this case, the laser beam passes through the insulating layer, and the electrode pad of the chip made of Al and the like may be flied apart by irradiation of the laser beam. As a result, the device including a semiconductor chip is disadvantageously damaged.
- Accordingly, the present invention is directed to a chip package structure, which has favourable reliability, lower production cost and thinner overall thickness.
- The present invention is further directed to a manufacturing method of the chip package structure, which improves reliability and yield of the stacked type chip package structure and reduces production cost and overall thickness of the stacked type chip package structure.
- The present invention provides a chip package structure includes a first semiconductor component, a plurality of first conductive pillars, a first encapsulant and a first redistribution layer. The first semiconductor component includes a plurality of first pads. The first conductive pillars are disposed on the first pads, wherein each of the first conductive pillars is a solid cylinder including a top surface and a bottom surface, and a diameter of the top surface is substantially the same as a diameter of the bottom surface. The first encapsulant encapsulates the first semiconductor component and the first conductive pillars, wherein the first encapsulant exposes the top surface of each of the first conductive pillars. The first redistribution layer is disposed on the first encapsulant and electrically connected to the first conductive pillars.
- The present invention provides a manufacturing method of a chip package structure, and the method includes the following steps. A first semiconductor component is disposed on a first carrier, wherein the first semiconductor component includes a first active surface and a plurality of first pads disposed on the first active surface. A plurality of first conductive pillars are formed on the first pads, wherein each of the first conductive pillars is a solid cylinder including a top surface and a bottom surface, and a diameter of the top surface is substantially the same as a diameter of the bottom surface. A first encapsulant is formed to encapsulate the first semiconductor component and the first conductive pillars, wherein the first encapsulant exposes the top surface of each of the first conductive pillars. A first redistribution layer is formed on the first encapsulant, wherein the first redistribution layer is electrically connected to the first conductive pillars. The first carrier is removed.
- In light of the foregoing, in the present invention, at least one semiconductor component is disposed on the first carrier, and the conductive pillars are formed on the semiconductor component. Then, the encapsulant is formed to encapsulate the semiconductor component and expose the top surface of the conductive pillars, and the redistribution layer is formed on the encapsulant to electrically connect the semiconductor component. Then, multiple semiconductor component are sequentially stacked on the redistribution layer, and the steps of forming conductive pillars/through pillars, encapsulant and redistribution layer may be repeated to form the stacked type chip package structure. Accordingly, the thickness of the chip package structure may be further reduced, and the process of forming conductive vias for the semiconductor component by laser drilling may be omitted, so as to reduce the production cost of the chip package structure. Also, the damage to the pads of the semiconductor component caused by laser may be avoided since the laser drilling process is omitted herein. In addition, the conductive pillars of the invention are solid cylinders pre-formed on the semiconductor component, while the via formed by laser process is in a taper shape with voids inside. Therefore, the conductive pillars may have better electrical performance, and the gap between any two adjacent conductive pillars may be reduced.
- The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. The drawings illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention.
-
FIG. 1 toFIG. 7 illustrate cross-sectional views of a manufacturing process of a chip package structure according to an embodiment of the invention. -
FIG. 8 illustrates a cross-sectional view of a chip package structure according to an embodiment of the invention. -
FIG. 9 illustrates a cross-sectional view of a chip package structure according to an embodiment of the invention. -
FIG. 10 toFIG. 13 illustrate cross-sectional views of a manufacturing process of a chip package structure according to an embodiment of the invention. -
FIG. 14 illustrates a cross-sectional view of a chip package structure according to an embodiment of the invention. -
FIG. 15 illustrates a cross-sectional view of a chip package structure according to an embodiment of the invention. -
FIG. 16 toFIG. 19 illustrate cross-sectional views of a part of a manufacturing process of a chip package structure according to an embodiment of the invention. - Reference will now be made in detail to the present preferred embodiments of the invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers are used in the drawings and the description to refer to the same or like parts.
-
FIG. 1 toFIG. 7 illustrate cross-sectional views of a manufacturing process of a chip package structure according to an embodiment of the invention. In the present embodiment, a manufacturing process of a chip package structure may include the following steps. Referring toFIG. 1 , afirst semiconductor component 110 is disposed on afirst carrier 10 as shown inFIG. 1 . Thefirst semiconductor component 110 may be a chip. Thefirst semiconductor component 110 may include a firstactive surface 112 and a plurality offirst pads 114 disposed on the firstactive surface 112. Then, a plurality of firstconductive pillars 116 are formed on thefirst pads 114. Each of the firstconductive pillars 116 is a solid pillar. A firstconductive pillar 116 may include a top surface and a bottom surface parallel and opposite to the top surface. A dimension of the top surface of each firstconductive pillar 116 is substantially the same as a dimension of the bottom surface of each firstconductive pillar 116 as shown inFIG. 1 . Each firstconductive pillar 116 may have a uniform dimension from top to bottom. In one embodiment, each of the firstconductive pillars 116 is a solid cylinder. A diameter of the top surface of each firstconductive pillar 116 is substantially the same as a diameter of the bottom surface of each firstconductive pillar 116. Each firstconductive pillar 116 may have a uniform diameter from top to bottom. In the present embodiment, the firstconductive pillars 116 may be formed by electroplating process, but the invention is not limited thereto. - Referring to
FIG. 2 , afirst encapsulant 120 is formed to encapsulate thefirst semiconductor component 110 and the firstconductive pillars 116. Thefirst encapsulant 120 exposes the top surface of each firstconductive pillar 116. In the present embodiment, thefirst encapsulant 120 may completely cover thefirst semiconductor component 110 and the firstconductive pillars 116. Then, a grinding process may be performed on thefirst encapsulant 120 until the top surface of each firstconductive pillar 116 is exposed. As such, a top surface of thefirst encapsulant 120 is coplanar with the top surface of each firstconductive pillar 116 as shown inFIG. 2 . With such configuration, the thickness of the chip package structure may be further reduced. Moreover, the process of forming conductive vias for thefirst semiconductor component 110 by laser drilling may be omitted. Accordingly, the production cost of the chip package structure may be reduced. Also, the damage to thefirst pads 114 caused by laser may be avoided since the laser drilling process is omitted herein. In addition, the pre-madeconductive pillar 116 is solid cylinders while the via formed by laser process is in a taper shape with voids inside. Therefore, theconductive pillar 116 may have better electrical performance, and the gap between any two adjacentconductive pillars 116 may be reduced. - Then, referring to
FIG. 3 , afirst redistribution layer 122 is formed on thefirst encapsulant 120 as shown inFIG. 2 and thefirst carrier 10 may be removed. Thefirst redistribution layer 122 is electrically connected to thefirst semiconductor component 110 through the firstconductive pillars 116. Also, a plurality ofsolder balls 170 may be formed on thefirst redistribution layer 122 and electrically connected to thefirst redistribution layer 122, such that thechip package structure 100 may be electrically connected to an external device through thesolder balls 170. At the time, the manufacturing process of thechip package structure 100 may be substantially done. - In one embodiment, a
sub chip package 180 may be disposed on thefirst solder balls 170 of thechip package structure 100, and electrically connected to thefirst solder balls 170. For example, the method of forming thesub chip package 180 may include the following steps. Firstly, referring toFIG. 4 , asecond semiconductor component 130 is disposed on asecond carrier 20. In the present embodiment, thesecond semiconductor component 130 may include a second active surface and a plurality of second pads disposed on the second active surface. Then, a plurality of secondconductive pillars 132 are formed on the second pads of thesecond semiconductor component 130. In the present embodiment, each secondconductive pillar 132 is a solid pillar. A dimension of the top surface of each secondconductive pillar 132 is substantially the same as the dimension of the bottom surface of each secondconductive pillar 132. In one embodiment, each of the secondconductive pillar 132 is a solid cylinder. A diameter of the top surface of each secondconductive pillar 132 is substantially the same as a diameter of the bottom surface of each secondconductive pillar 132. In the present embodiment, the secondconductive pillar 132 is similar to the firstconductive pillars 116 except the length of each secondconductive pillar 132 may be shorter than each firstconductive pillars 116. Then, a plurality of throughpillars 154 are formed on thesecond carrier 20. In the present embodiment, the throughpillars 154 surround thesecond semiconductor component 130. - Then, referring to
FIG. 5 , asecond encapsulant 150 is formed to encapsulate thesecond semiconductor component 130, the secondconductive pillars 132 and the throughpillars 154. In the present embodiment, thesecond encapsulant 150 exposes the upper surface of each secondconductive pillar 132 and the upper surface of each throughpillar 154. Similarly, thesecond encapsulant 150 may completely cover thesecond semiconductor component 130, the secondconductive pillars 132 and the throughpillars 154. Then, a grinding process may be performed on thesecond encapsulant 150 until the upper surfaces of the secondconductive pillars 132 and the throughpillar 154 are exposed, so as to be electrically connected to asecond redistribution layer 152 subsequently formed. - Then, referring to
FIG. 6 , asecond redistribution layer 152 is formed on thesecond encapsulant 150 and electrically connected to the secondconductive pillars 132 and the throughpillars 154. Also, a plurality ofsolder balls 170 may be formed on thesecond redistribution layer 152 and thesecond carrier 20 may be removed. At the time, the manufacturing process of thesub chip package 180 may be substantially done. - Then, referring to
FIG. 7 , thesub chip package 180 may be mounted on thechip package structure 100 shown inFIG. 3 through thesolder balls 170. In the present embodiment, similar process illustrated inFIG. 4 toFIG. 6 may be repeated to form anothersub chip package 190 and then thesub chip package 190 may be mounted on thesub chip package 180 to form thechip package structure 100 a shown inFIG. 7 . It is noted that the present embodiment is merely for illustration. The number and the formation of the sub chip package are not limited in the present invention. -
FIG. 8 illustrates a cross-sectional view of a chip package structure according to an embodiment of the invention. It is noted that thechip package structure 100 b as shown inFIG. 8 contains many features same as or similar to thechip package structure 100 disclosed earlier withFIG. 3 . For brevity, detailed description of same or similar features may be omitted, and the same or similar reference numbers denote the same or like components. - Referring to
FIG. 8 , in the present embodiment, before thefirst encapsulant 120 is formed, i.e. before the step illustrated inFIG. 2 , asecond semiconductor component 130 is disposed on the firstactive surface 112 of thefirst semiconductor component 110. Then, thefirst encapsulant 120 encapsulatesfirst semiconductor component 110 and thesecond semiconductor component 130, and thesecond semiconductor component 130 is configured to be electrically connected to thefirst redistribution layer 122. In the present embodiment, thesecond semiconductor component 130 may be an interposer having a plurality of through pillars as it is illustrated inFIG. 8 , and thefirst redistribution layer 122 is electrically connected to thesecond semiconductor component 130. -
FIG. 9 illustrates a cross-sectional view of a chip package structure according to an embodiment of the invention. It is noted that thechip package structure 100 c as shown inFIG. 9 contains many features same as or similar to thechip package structure 100 disclosed earlier withFIG. 3 . For purpose of clarity and simplicity, detail description of same or similar features may be omitted, and the same or similar reference numbers denote the same or like components. - Referring to
FIG. 9 , in the present embodiment, thesecond semiconductor component 130 may be a chip package including achip 134, amolding material 136, a plurality of throughpillars 139 and aredistribution circuit 138. The pads of thechip 134 faces thefirst semiconductor component 110, and themolding material 136 encapsulates thechip 134. Theredistribution circuit 138 is disposed on themolding material 136 and disposed between the firstactive surface 112 and themolding material 136. Theredistribution circuit 138 is electrically connected to thechip 134, and the throughpillars 139 penetrate themolding material 136 to electrically connect thefirst redistribution layer 122 and theredistribution circuit 138. -
FIG. 10 toFIG. 13 illustrate cross-sectional views of a manufacturing process of a chip package structure according to an embodiment of the invention. It is noted that the manufacturing process of thechip package structure 100 d as shown inFIG. 10 toFIG. 13 contains many features same as or similar to the manufacturing process of thechip package structure 100 disclosed earlier withFIG. 1 toFIG. 3 . For purpose of clarity and simplicity, detail description of same or similar features may be omitted, and the same or similar reference numbers denote the same or like components. - Referring to
FIG. 10 , in the present embodiment, before thefirst encapsulant 120 is formed, i.e. before the step illustrated inFIG. 2 , asecond semiconductor component 130 is disposed on the firstactive surface 112 of thefirst semiconductor component 110. Then, a plurality of secondconductive pillars 132 are formed on the pads of thesecond semiconductor component 130. Each secondconductive pillar 132 is a solid pillar similar to the firstconductive pillar 116. - Then, referring to
FIG. 11 , thefirst encapsulant 120 encapsulates thefirst semiconductor component 110, thesecond semiconductor component 130, the firstconductive pillars 116 and the secondconductive pillars 132, and thefirst encapsulant 120 exposes the upper surfaces of the firstconductive pillars 116 and the secondconductive pillars 132, such that the firstconductive pillars 116 and the secondconductive pillars 132 are electrically connected to thefirst redistribution layer 122 subsequently formed. In the present embodiment, thefirst encapsulant 120 may completely cover thefirst semiconductor component 110, thesecond semiconductor component 130, the firstconductive pillars 116 and the secondconductive pillars 132. Then, a grinding process may be performed on thefirst encapsulant 120 until the top surfaces of the firstconductive pillars 116 and the secondconductive pillars 132 are exposed. As such, a top surface of thefirst encapsulant 120 is coplanar with the top surfaces of the firstconductive pillars 116 and the secondconductive pillars 132 as shown inFIG. 11 . - With such configuration, the thickness of the chip package structure may be further reduced. Moreover, the process of forming conductive vias for the
semiconductor components semiconductor components conductive pillars conductive pillars conductive pillars - Then, referring to
FIG. 12 , thefirst redistribution layer 122 is formed on thefirst encapsulant 120 as shown inFIG. 12 and thefirst carrier 10 may be removed. Thefirst redistribution layer 122 is electrically connected to thefirst semiconductor component 110 and thesecond semiconductor component 130 through the firstconductive pillars 116 and the secondconductive pillars 132. Also, referring toFIG. 13 , a plurality ofsolder balls 170 may be formed on thefirst redistribution layer 122 and electrically connected to thefirst redistribution layer 122, such that thechip package structure 100 d may be electrically connected to an external device through thesolder balls 170. At the time, the manufacturing process of thechip package structure 100 d may be substantially done. -
FIG. 14 illustrates a cross-sectional view of a chip package structure according to an embodiment of the invention. It is noted that thechip package structure 100 e as shown inFIG. 14 contains many features same as or similar to thechip package structure 100 d disclosed earlier withFIG. 13 . For purpose of clarity and simplicity, detail description of same or similar features may be omitted, and the same or similar reference numbers denote the same or like components. - In the present embodiment, the
second semiconductor component 130 may include achip 134, amolding material 136 and aredistribution circuit 138. The pads of thechip 134 faces away from thefirst semiconductor component 110, and themolding material 136 encapsulates thechip 134. Theredistribution circuit 138 is formed on themolding material 136 and electrically connected to thechip 134 and the secondconductive pillars 132. -
FIG. 15 illustrates a cross-sectional view of a chip package structure according to an embodiment of the invention. It is noted that thechip package structure 100 f as shown inFIG. 15 contains many features same as or similar to thechip package structure 100 e disclosed earlier withFIG. 14 . For purpose of clarity and simplicity, detail description of same or similar features may be omitted, and the same or similar reference numbers denote the same or like components. - Referring to
FIG. 15 , in the present embodiment, the secondconductive pillars 132 are formed on thesecond semiconductor component 130 and connect between the firstactive surface 112 of thefirst semiconductor component 110 and thesecond semiconductor component 130, such that thesecond semiconductor component 130 is electrically connected to thefirst semiconductor component 110 through the secondconductive pillars 132. In the present embodiment, thesecond semiconductor component 130 includes achip 134, amolding material 136 and aredistribution circuit 138. The pads of thechip 134 faces thefirst semiconductor component 110, and themolding material 136 encapsulates thechip 134. Theredistribution circuit 138 is formed on themolding material 136, so that theredistribution circuit 138 is disposed between the firstactive surface 112 of thefirst semiconductor component 110 and themolding material 136. Theredistribution circuit 138 is configured to be electrically connected to thechip 134 and thefirst semiconductor component 110. - A plurality of second
conductive pillars 132 is formed on thesecond semiconductor component 130 before thefirst encapsulant 120 is formed. In the present embodiment, the secondconductive pillars 132 may be firstly formed on thesecond semiconductor component 130 to be electrically connected to theredistribution circuit 138. Then, thesecond semiconductor component 130 and the secondconductive pillars 132 are mounted on the firstactive surface 112 of thefirst semiconductor component 110, but the invention is not limited thereto. In the present embodiment, each of the secondconductive pillars 132 is a solid pillar similar to the firstconductive pillars 116, and the secondconductive pillars 132 are encapsulated by thefirst encapsulant 120 and connect between the firstactive surface 112 and thesecond semiconductor component 130, such that thesecond semiconductor component 130 is electrically connected to thefirst semiconductor component 110 through the secondconductive pillars 132. -
FIG. 16 toFIG. 19 illustrate cross-sectional views of a part of a manufacturing process of a chip package structure according to an embodiment of the invention. It is noted that the manufacturing process of thechip package structure 100 g as shown inFIG. 16 toFIG. 19 contains many features same as or similar to the manufacturing process of thechip package structure 100 d disclosed earlier withFIG. 10 toFIG. 13 . For purpose of clarity and simplicity, detail description of same or similar features may be omitted, and the same or similar reference numbers denote the same or like components. - In the present embodiment, the manufacturing process illustrated in
FIG. 16 toFIG. 19 may be performed after the process illustrated inFIG. 12 , i.e. after thefirst redistribution layer 122 is formed on thefirst encapsulant 120 and thefirst carrier 10 is removed. Referring toFIG. 16 , athird semiconductor component 140 is disposed on thefirst redistribution layer 122. Then, a plurality of thirdconductive pillars 142 are formed on the pads of thethird semiconductor component 140 to be electrically connected to thethird semiconductor component 140. Each of the thirdconductive pillars 142 is a solid pillar similar to the firstconductive pillars 116. Namely, the dimension of the upper surface of each thirdconductive pillar 142 is about the same as the dimension of the lower surface of each thirdconductive pillar 142. Next, a plurality of throughpillars 144 are formed on thefirst redistribution layer 122. Each of the throughpillars 144 is also a solid pillar similar to the firstconductive pillars 116. Namely, the dimension of the upper surface of each throughpillar 144 is about the same as the dimension of the lower surface of each throughpillar 144. - Referring to
FIG. 17 , afourth semiconductor component 160 is disposed on thethird semiconductor component 140. Then, a plurality of fourthconductive pillars 162 are formed on the pads of thefourth semiconductor component 160 to be electrically connected to thefourth semiconductor component 160. Each of the fourthconductive pillars 162 is a solid pillar. In the present embodiment, the dimension of the upper surface of each fourthconductive pillar 162 is about the same as the dimension of the lower surface of each fourthconductive pillar 162. - Then, referring to
FIG. 18 , thesecond encapsulant 150 is formed to encapsulate thethird semiconductor component 140, thefourth semiconductor component 160, the thirdconductive pillars 142, the fourthconductive pillars 162 and the throughpillars 144. Thesecond encapsulant 150 exposes the upper surfaces of the thirdconductive pillars 142, the fourthconductive pillars 162 and the throughpillars 144. In the present embodiment, thesecond encapsulant 150 may completely cover the upper surfaces of the thirdconductive pillars 142, the fourthconductive pillars 162 and the throughpillars 144 first. Then, the grinding process is performed on thesecond encapsulant 150 until the upper surfaces of the thirdconductive pillars 142, the fourthconductive pillars 162 and the throughpillars 144 is exposed. With such configuration, the thickness of the chip package structure may be further reduced. Moreover, the process of forming conductive vias for thesemiconductor components first redistribution layer 122 is formed on thefirst encapsulant 120 as shown inFIG. 2 . Thefirst redistribution layer 122 is electrically connected to thefirst semiconductor component 110 through the firstconductive pillars 116. Also, the damage to the pads of thesemiconductor components pre-made pillars pillars adjacent pillars - Next, referring to
FIG. 19 , asecond redistribution layer 152 is formed on thesecond encapsulant 150 and thefirst carrier 10 is removed. Thesecond redistribution layer 152 is electrically connected to the thirdconductive pillars 142, the throughpillars 144 and the fourthconductive pillars 162. Also, a plurality ofsolder balls 170 may be formed on and electrically connected to thesecond redistribution layer 152, such that thechip package structure 100 g may be electrically connected to an external device through thesolder balls 170. At the time, the manufacturing process of thechip package structure 100 g may be substantially done. - In sum, in the present invention, at least one semiconductor component is disposed on the carrier, and the conductive pillars are formed on the semiconductor component. Then, the encapsulant is formed to encapsulate the semiconductor component and expose the top surface of the conductive pillars, and the redistribution layer is formed on the encapsulant to electrically connect the semiconductor component. Then, multiple semiconductor component are sequentially stacked on the redistribution layer, and the steps of forming conductive pillars/through pillars, encapsulant and redistribution layer may be repeated to form the stacked type chip package structure.
- With such configuration, the thickness of the chip package structure may be further reduced, and the process of forming conductive vias for the semiconductor component by laser drilling may be omitted, so as to reduce the production cost of the chip package structure. Also, the damage to the pads of the semiconductor component caused by laser may be avoided since the laser drilling process is omitted herein. In addition, the conductive pillars of the invention are solid cylinders pre-formed on the semiconductor component, while the via formed by laser process is in a taper shape with voids inside. Therefore, the conductive pillars may have better electrical performance, and the gap between any two adjacent conductive pillars may be reduced.
- It will be apparent to those skilled in the art that various modifications and variations may be made to the structure of the present invention without departing from the scope or spirit of the invention. In view of the foregoing, it is intended that the present invention cover modifications and variations of this invention provided they fall within the scope of the following claims and their equivalents.
Claims (15)
1. A manufacturing method of a chip package structure, comprising:
disposing a first semiconductor component on a first carrier, wherein the first semiconductor component comprising a first active surface and a plurality of first pads disposed on the first active surface;
forming a plurality of first conductive pillars on the first pads, wherein each of the first conductive pillars is a solid cylinder comprising a top surface and a bottom surface, and a diameter of the top surface is substantially the same as a diameter of the bottom surface;
forming a first encapsulant to encapsulate the first semiconductor component and the first conductive pillars, wherein the first encapsulant exposes the top surface of each of the first conductive pillars;
forming a first redistribution layer on the first encapsulant, wherein the first redistribution layer is electrically connected to the first conductive pillars;
disposing a second semiconductor component within the perimeter of the first active surface, wherein the first encapsulant encapsulates the second semiconductor component, and the second semiconductor component is configured to be electrically connected to the first redistribution layer; and
removing the first carrier.
2. The manufacturing method of the chip package structure as claimed in claim 1 , wherein the second semiconductor component is disposed on the first active surface before the first encapsulant is formed, and the first encapsulant further encapsulates the second semiconductor component.
3. The manufacturing method of the chip package structure as claimed in claim 2 , further comprising:
forming a plurality of second conductive pillars on the second semiconductor component before the first encapsulant is formed, wherein each of the second conductive pillars is a solid cylinder, and the first encapsulant encapsulates the second conductive pillars and exposes an upper surface of each of the second conductive pillars, such that the second conductive pillars are electrically connected to the first redistribution layer.
4. The manufacturing method of the chip package structure as claimed in claim 2 , further comprising:
forming a plurality of second conductive pillars on the second semiconductor component before the first encapsulant is formed, wherein each of the second conductive pillars is a solid cylinder, the second conductive pillars are encapsulated by the first encapsulant and connect between the first active surface and the second semiconductor component, such that the second semiconductor component is electrically connected to the first semiconductor component through the second conductive pillars.
5. The manufacturing method of the chip package structure as claimed in claim 1 , further comprising:
forming a plurality of solder balls on the first redistribution layer, wherein the solder balls are electrically connected to the first redistribution layer.
6. The manufacturing method of the chip package structure as claimed in claim 3 , further comprising:
disposing a third semiconductor component on the first redistribution layer;
forming a plurality of third conductive pillars on the third semiconductor component, wherein each of the third conductive pillars is a solid cylinder and electrically connected to the third semiconductor component;
forming a plurality of through pillars on the first redistribution layer, wherein each of the through pillars is a solid cylinder; and
forming a second encapsulant to encapsulate the third semiconductor component, the third conductive pillars and the through pillars, wherein the second encapsulant exposes an upper surface of each of the third conductive pillars and an upper surface of each of the through pillars.
7. The manufacturing method of the chip package structure as claimed in claim 6 , further comprising:
disposing a fourth semiconductor component on the third semiconductor component;
forming a plurality of fourth conductive pillars on the fourth semiconductor component, wherein each of the fourth conductive pillars is a solid cylinder and electrically connected to the fourth semiconductor component, the second encapsulant encapsulates the fourth semiconductor component and the fourth conductive pillars and exposes an upper surface of each of the fourth conductive pillars; and
forming a second redistribution layer on the second encapsulant, wherein the second redistribution layer is electrically connected to the third conductive pillars, the through pillars and the fourth conductive pillars.
8. The manufacturing method of the chip package structure as claimed in claim 7 , further comprising:
forming a plurality of solder balls on the second redistribution layer, wherein the solder balls are electrically connected to the second redistribution layer.
9. The manufacturing method of the chip package structure as claimed in claim 1 , further comprising:
forming a plurality of first solder balls on the first redistribution layer, wherein the first solder balls are electrically connected to the first redistribution layer.
10. The manufacturing method of the chip package structure as claimed in claim 9 , further comprising:
disposing a sub chip package on the first solder balls, wherein the sub chip package is electrically connected to the first solder balls, wherein the method of forming the sub chip package comprises:
disposing the second semiconductor component on a second carrier, wherein the second semiconductor component comprises a second active surface and a plurality of second pads disposed on the second active surface;
forming a plurality of second conductive pillars on the second pads, wherein each of the second conductive pillars is a solid cylinder;
forming a plurality of through pillars on the second carrier, wherein the through pillars surround the second semiconductor component;
forming a second encapsulant to encapsulate the second semiconductor component, the second conductive pillars and the through pillars, wherein the second encapsulant exposes an upper surface of each of the second conductive pillars and an upper surface of each of the through pillars;
forming a second redistribution layer on the second encapsulant, wherein the second redistribution layer is electrically connected to the second conductive pillars and the through pillars;
forming a plurality of second solder balls on the second redistribution layer; and
removing the second carrier.
11. The manufacturing method of the chip package structure as claimed in claim 1 , wherein the second semiconductor component is disposed on the first active surface of only one first semiconductor component.
12. The manufacturing method of the chip package structure as claimed in claim 11 , wherein the only one first semiconductor component has a surface area greater than a surface area of the second semiconductor component.
13. The manufacturing method of the chip package structure as claimed in claim 11 , wherein the second semiconductor component is disposed on the first active surface before the first encapsulant is formed.
14. The manufacturing method of the chip package structure as claimed in claim 13 , wherein the first encapsulant is formed to further encapsulate the second semiconductor component.
15. The manufacturing method of the chip package structure as claimed in claim 1 , wherein the first encapsulant is integrally formed and in contact with side surfaces of the plurality of first conductive pillars.
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US16/157,108 US20190043806A1 (en) | 2016-09-09 | 2018-10-11 | Method of manufacturing chip package structure with conductive pillar |
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US10366968B2 (en) * | 2016-09-30 | 2019-07-30 | Intel IP Corporation | Interconnect structure for a microelectronic device |
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CN107808855A (en) | 2018-03-16 |
US20180076131A1 (en) | 2018-03-15 |
US10157828B2 (en) | 2018-12-18 |
TWI656613B (en) | 2019-04-11 |
CN107808855B (en) | 2020-09-01 |
TW201813019A (en) | 2018-04-01 |
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