Summary of the invention
In order to solve the problem, the object of the invention is to provide a kind of semiconductor package and manufacture method thereof, to improve process yields and to improve radiating efficiency.A kind of manufacture method of semiconductor package is provided according to an aspect of the present invention, is characterized in comprising the following steps: formation one chip packing-body and providing a heavy wiring substrate below chip packing-body, and is electrically connected with chip packing-body.The step wherein forming chip packing-body comprises: provide a support plate; Form the upper surface that a first metal layer is formed at support plate; Formed and be at least onely opened on the first metal layer, with exposed portion support plate; Arrange a chip on the part support plate exposed, an active face of its chips is towards support plate; Form an adhesive body and cover chip and the first metal layer; And remove support plate with the active face of exposed chip and the first metal layer.
A kind of manufacture method of semiconductor package is provided according to a further aspect of the invention, is characterized in comprising the following steps: formation one chip packing-body and providing a heavy wiring substrate below chip packing-body, and is electrically connected with chip packing-body.Wherein form a chip packing-body, its step comprises: provide a support plate; Arrange a chip on support plate, an active face of its chips is towards support plate; Form a first metal layer and cover chip and support plate; Form an adhesive body and cover chip and the first metal layer; And remove support plate with the active face of exposed chip and the first metal layer.
There is provided a kind of semiconductor package according to another aspect of the invention, be characterized in comprising: a chip packing-body, comprising: a first metal layer, there is an opening; One chip is positioned on opening, and a back side of its chips and a upper surface of the first metal layer are towards same direction; And an adhesive body, cover the back side of chip and the upper surface of the first metal layer, and a lower surface of an active face of chip and the first metal layer is exposed to adhesive body.And one heavy wiring substrate be arranged at below chip packing-body, and to be electrically connected with the active face of chip.
Advantageous Effects of the present invention is: utilize first to encapsulate chip and be combined with reprovision line substrate, and be provided with metal level in chip packing-body and be positioned at the composition surface with substrate, engaging force between chip packing-body and substrate can be increased like this to improve process yields and the radiating efficiency of chip can be increased, and EMI screening effect can be improved.
Below cooperation accompanying drawing is illustrated in detail to preferred embodiment of the present invention, when the effect that can be easier to understand object of the present invention, technology contents, feature and reach.
Embodiment
It is described in detail as follows, and described preferred embodiment is only done an explanation and is not used to limit the present invention.
Please refer to Fig. 1, Fig. 1 is the structure cutaway view of the manufacture method of the semiconductor package of one embodiment of the invention.As shown in the figure, the manufacture method of semiconductor package comprises the following steps: formation one chip packing-body 100 and provides a heavy wiring substrate 200 below chip packing-body 100, and heavy wiring substrate 200 is electrically connected with chip packing-body 100.
Continue above-mentioned, in an embodiment, form the step of chip packing-body 100 as shown in Fig. 2 A to Fig. 2 E.First, as Fig. 2 A, provide a support plate 110, and form the upper surface 112 that a first metal layer 120 is formed at support plate 110.In an embodiment, the first metal layer 120 includes but not limited to a conductive metal film, and the first metal layer 120 is arranged on support plate 110 with pressing mode, is separately understandable that, except single layer structure, the first metal layer 120 also can be composite film and forms by more metal layers is stacking.Then, please refer to Fig. 2 B, form at least one opening 122 on the first metal layer 120, with the upper surface 112 of exposed portion support plate 110.And the method forming opening 122 comprises the mode of dry film exposure imaging.Then, as shown in Figure 2 C, arrange a chip 130 on the part support plate 110 exposed, an active face 132 of its chips 130 is towards support plate 110, and the back side 134 of chip 130 is support plates 110 dorsad.Afterwards, please refer to Fig. 2 D, form an adhesive body 140 and cover chip 130 and the first metal layer 120.Again then, remove support plate 110 with exposed portion chip 130 and the first metal layer 120, the active face 132 of such as chip 130 and the lower surface 123 of the first metal layer 120, as shown in Figure 2 E.Finally, as shown in Figure 2 F, provided heavy wiring substrate 200 is arranged at below chip packing-body 100, and heavy wiring substrate 200 is electrically connected with the active face 132 of chip 130.
In an embodiment, the first metal layer 120 also can utilize deposition or plating mode to be formed on the upper surface 112 of support plate 110.In addition, please refer to Fig. 3 A, in another embodiment, before formation adhesive body 140 coating chip 130, also comprise forming the back side 134 that one second metal level 125 covers chip 130.Also or, as shown in Figure 3 B, the second metal level 125 also comprises and covers a side 135 of chip 130, and wherein the second metal level 125 can be identical material with the first metal layer 120.By the covering of metal level to chip, effect that EMI covers can be promoted.In addition, the setting of metal level also can increase the engaging force between unlike material, such as, increase the engaging force between packaging body 140 and heavy wiring substrate 200.
Utilize structure that the manufacture method of above-described embodiment is formed as shown in Figure 2 F.As shown in the figure, semiconductor package comprises: chip packing-body 100 and a heavy wiring substrate 200.Wherein chip packing-body 100 comprises: a first metal layer 120, and it has an opening 122, and wherein the material of the first metal layer 120 is including but not limited to copper.One chip 130 is arranged on opening 122, and a back side 134 of its chips 130 is towards same direction with a upper surface 121 of the first metal layer 120.And one adhesive body 140 cover the back side 134 of chip 130 and the upper surface 121 of the first metal layer 120, and an active face 132 of chip 130 is exposed to adhesive body 140 with a lower surface 123 of the first metal layer 120; And a heavy wiring substrate 200, be arranged at below chip packing-body 100, and be electrically connected with the active face 132 of chip 130.
Continue above-mentioned, in an embodiment, heavy wiring substrate 200 comprises multiple interior electric connection pad 210, multiple dispatch from foreign news agency connection pad 212 and multiple connection wire road 220, and wherein each one end, connection wire road 220 connects interior electric connection pad 210, another end and connects dispatch from foreign news agency connection pad 212.And as shown in the figure, interior electric connection pad 210 is electrically connected with the active face 132 of chip 130.And multiple soldered ball 230 is arranged on the dispatch from foreign news agency connection pad 212 of heavy wiring substrate 200, be electrically connected for external device.In an embodiment, heavy wiring substrate 200 is attached most importance to distribution film substrate.
In an embodiment, as shown in Figure 3A, chip packing-body 100 also comprises one second metal level 125, is arranged at the back side 134 of chip 130.In another embodiment, as shown in Figure 3 B, the second metal level 125 also comprises the side 135 covering chip 130, and the first metal layer 120 can be identical material with the second metal level 125, such as copper.Please continue to refer to Fig. 3 B, wherein heavy wiring substrate 200 also comprises at least one ground path 222, connects the first metal layer 120 and connection wire road 220.Cover chip by metal level, not only provide and cover and good engaging force, also can improve chip cooling problem.
In another embodiment, the step forming chip packing-body 100 also can as shown in Fig. 4 A to Fig. 4 D.Be first to arrange chip on support plate with above-described embodiment difference, then form the first metal layer covering chip, it states as follows in detail.First, as Fig. 4 A, provide a support plate 110.Then, arrange a chip 130 on support plate 110, an active face 132 of its chips 130 is towards support plate 110, and the back side 134 of chip 130 is support plates 110 dorsad.Then, please refer to Fig. 4 B, form a first metal layer 120 and cover chip 130, include but not limited to the back side 134 of covering chip 130, side 135 and support plate 110.Then, as shown in Figure 4 C, form an adhesive body 140 and cover chip 130 and the first metal layer 120.Again then, support plate 110 is removed with the lower surface 123 of the active face 132 of exposed chip 130 and the first metal layer 120, as shown in Figure 4 D.In an embodiment, the first metal layer 120 can utilize deposition or plating mode is formed, if formed with plating mode, then before formation the first metal layer 120, also comprise and form metallic bond layer 126, such as a nickel with sputtering way, cover chip 130 and support plate 110, then to remove after support plate 110 as shown in Figure 4 E, the active face 132 of metallic bond layer 126 and chip 130 can be exposed.Thereafter, shown in Fig. 4 F, provided heavy wiring substrate 200 is arranged at below chip packing-body 100, and heavy wiring substrate 200 is electrically connected with the active face 132 of chip 130.As shown in Figure 4 G, also can as described in above-described embodiment, heavy wiring substrate 200 can comprise at least one ground path 222 and connect the first metal layer 120 and connection wire road 220.
Comprehensively above-mentioned, a kind of semiconductor package of one embodiment of the invention and manufacture method thereof, utilize and the combination of reprovision line substrate is first encapsulated in chip again, and be provided with the first metal layer in chip packing-body and be positioned at the composition surface with substrate, engaging force between chip packing-body and substrate can be increased to improve process yields.In addition, metal level can increase the radiating efficiency of chip, and can improve EMI screening effect.
Above-described embodiment is only in order to technological thought of the present invention and feature are described, its object understands content of the present invention implementing according to this enabling person skilled in the art person, when can not with restriction the scope of the claims of the present invention, namely every equivalent change of doing according to disclosed spirit or replacement, must be encompassed in the scope of the claims of the present invention.