Abstract: In an embodiment, a device includes: an integrated circuit die; an encapsulant at least partially surrounding the integrated circuit die, the encapsulant including fillers having an average diameter; a through via extending through the encapsulant, the through via having a lower portion of a constant width and an upper portion of a continuously decreasing width, a thickness of the upper portion being greater than the average diameter of the fillers; and a redistribution structure including: a dielectric layer on the through via, the encapsulant, and the integrated circuit die; and a metallization pattern having a via portion extending through the dielectric layer and a line portion extending along the dielectric layer, the metallization pattern being electrically coupled to the through via and the integrated circuit die.

Abstract: A manufacturing method of a semiconductor package includes the following steps. A supporting layer is formed over a redistribution structure. A first planarization process is performed over the supporting layer. A lower dielectric layer is formed over the supporting layer, wherein the lower dielectric layer includes a concave exposing a device mounting region of the supporting layer. A first sacrificial layer is formed over the supporting layer, wherein the sacrificial layer filling the concave. A second planarization process is performed over the lower dielectric layer and the first sacrificial layer. A transition waveguide provided over the lower dielectric layer. The first sacrificial layer is removed. A semiconductor device is mounted over the device mounting region, wherein the semiconductor device includes a device waveguide is optically coupled to the transition waveguide.

Abstract: Photonic devices and methods of manufacture are provided. In embodiments a fill material and/or a secondary waveguide are utilized in order to protect other internal structures such as grating couplers from the rigors of subsequent processing steps. Through the use of these structures at the appropriate times during the manufacturing process, damage and debris that would otherwise interfere with the manufacturing process of the device or operation of the device can be avoided.

Abstract: A method of manufacturing a semiconductor package includes depositing a first dielectric layer over a carrier substrate. A first metallization pattern is formed over the first dielectric layer. The first metallization pattern has a first opening exposing the first dielectric layer. A second dielectric layer is deposited over the first metallization pattern, forming a dielectric slot through the first metallization pattern by filling the first opening. A second metallization pattern and a third dielectric layer are formed over the second dielectric layer. A through via is formed over the third dielectric layer, so that the dielectric slot is laterally under the through via.

Abstract: A semiconductor package includes a lower semiconductor device, a plurality of conductive pillars, an upper semiconductor device, an encapsulating material, and a redistribution structure. The plurality of conductive pillars are disposed on the lower semiconductor device along a direction parallel to a side of the lower semiconductor device. The upper semiconductor device is disposed on the lower semiconductor device and reveals a portion of the lower semiconductor device where the plurality of conductive pillars are disposed, wherein the plurality of conductive pillars disposed by the same side of the upper semiconductor device and the upper semiconductor device comprises a cantilever part cantilevered over the at least one lower semiconductor device. The encapsulating material encapsulates the lower semiconductor device, the plurality of conductive pillars, and the upper semiconductor device. The redistribution structure is disposed over the upper semiconductor device and the encapsulating material.

Abstract: A chip package including a first semiconductor die, a support structure and a second semiconductor die is provided. The first semiconductor die includes a first dielectric layer and a plurality of conductive vias, the first dielectric layer includes a first region and a second region, the conductive vias is embedded in the first region of the first dielectric layer; a plurality of conductive pillars is disposed on and electrically connected to the conductive vias. The second semiconductor die is stacked over the support structure and the second region of the first dielectric layer; and an insulating encapsulant encapsulates the first semiconductor die, the second semiconductor die, the support structure and the conductive pillars, wherein the second semiconductor die is electrically connected to the first semiconductor die through the conductive pillars.

Abstract: A semiconductor device includes a chip package comprising a semiconductor die laterally encapsulated by an insulating encapsulant, the semiconductor die having an active surface, a back surface opposite to the active surface, and a thermal enhancement pattern on the back surface; and a heat dissipation structure connected to the chip package, the heat dissipation structure comprising a heat spreader having a flow channel for a cooling liquid, and the cooling liquid in the flow channel being in contact with the thermal enhancement pattern.

Abstract: A semiconductor package includes a lower encapsulated semiconductor device, a lower redistribution structure, an upper encapsulated semiconductor device, and an upper redistribution structure. The lower redistribution structure is disposed over and electrically connected to the lower encapsulated semiconductor device. The upper encapsulated semiconductor device is disposed over the lower encapsulated semiconductor device and includes a sensor die having a pad and a sensing region, an upper encapsulating material at least laterally encapsulating the sensor die, and an upper conductive via extending through the upper encapsulating material and connected to the lower redistribution structure. The upper redistribution structure is disposed over the upper encapsulated semiconductor device. The upper redistribution structure covers the pad of the sensor die and has an opening located on the sensing region of the sensor die.

Abstract: A package includes a photonic layer on a substrate, the photonic layer including a silicon waveguide coupled to a grating coupler; an interconnect structure over the photonic layer; an electronic die and a first dielectric layer over the interconnect structure, where the electronic die is connected to the interconnect structure; a first substrate bonded to the electronic die and the first dielectric layer; a socket attached to a top surface of the first substrate; and a fiber holder coupled to the first substrate through the socket, where the fiber holder includes a prism that re-orients an optical path of an optical signal.

Abstract: A method includes forming a first redistribution structure by depositing a first dielectric layer and forming first and second conductive features on the first dielectric layer, the second conductive feature being provided with a gap exposing the first dielectric layer. The method further includes depositing a second dielectric layer on the first and second conductive features; forming first and second openings in the second dielectric layer, the first opening exposing the first conductive feature and the second opening exposing the second conductive feature and the gap; forming a first via on the first conductive feature and partially in the first opening; forming a second via on the second conductive feature and partially in the second opening and the gap; attaching a die to the first redistribution structure adjacent the first via and the second via; and encapsulating the die, the first via, and the second via with an encapsulant.

Abstract: A semiconductor device includes a die, an encapsulant over a front-side surface of the die, a redistribution structure on the encapsulant, a thermal module coupled to the back-side surface of the die, and a bolt extending through the redistribution structure and the thermal module. The die includes a chamfered corner. The bolt is adjacent to the chamfered corner.

Abstract: A semiconductor package provided herein includes a first semiconductor die, a second semiconductor die and an insulating encapsulation. The second semiconductor die is stacked on the first semiconductor die. The insulating encapsulation laterally surrounds the first semiconductor die and the second semiconductor die in a one-piece form, and has a first sidewall and a second sidewall respectively adjacent to the first semiconductor die and the second semiconductor die. The first sidewall keeps a lateral distance from the second sidewall.

Abstract: A package structure including a first semiconductor die, a second semiconductor die, first conductive pillars and a first insulating encapsulation is provided. The first semiconductor die includes a semiconductor substrate, an interconnect structure and a first redistribution circuit structure. The semiconductor substrate includes a first portion and a second portion disposed on the first portion. The interconnect structure is disposed on the second portion, the first redistribution circuit structure is disposed on the interconnect structure, and the lateral dimension of the first portion is greater than the lateral dimension of the second portion. The second semiconductor die is disposed on the first semiconductor die. The first conductive pillars are disposed on the first redistribution circuit structure of the first semiconductor die. The first insulating encapsulation is disposed on the first portion.

Abstract: A structure including a first die, a second die, a first insulating encapsulant, an interconnection die, and a second insulating encapsulant is provided. The first die includes a first bonding structure. The first bonding structure includes a first dielectric layer and a first conductive pad embedded in the first dielectric layer. The second die includes a second bonding structure. The second bonding structure includes a second dielectric layer and a second conductive pad embedded in the second dielectric layer. The first insulating encapsulant laterally encapsulates the first die and the second die. The interconnection die includes a third bonding structure. The third bonding structure includes a third dielectric layer and third conductive pads embedded in the third dielectric layer. The second insulating encapsulant laterally encapsulates the interconnection die. The third bonding structure is in contact with the first bonding structure and the second bonding structure.

Abstract: A method includes forming a first metal mesh over a carrier, forming a first dielectric layer over the first metal mesh, and forming a second metal mesh over the first dielectric layer. The first metal mesh and the second metal mesh are staggered. The method further includes forming a second dielectric layer over the second metal mesh, attaching a device die over the second dielectric layer, with the device die overlapping the first metal mesh and the second metal mesh, encapsulating the device die in an encapsulant, and forming redistribution lines over and electrically connecting to the device die.

Abstract: A package includes a photonic layer on a substrate, the photonic layer including a silicon waveguide coupled to a grating coupler; an interconnect structure over the photonic layer; an electronic die and a first dielectric layer over the interconnect structure, where the electronic die is connected to the interconnect structure; a first substrate bonded to the electronic die and the first dielectric layer; a socket attached to a top surface of the first substrate; and a fiber holder coupled to the first substrate through the socket, where the fiber holder includes a prism that re-orients an optical path of an optical signal.

Abstract: A manufacturing method of a semiconductor package includes the following steps. At least one lower semiconductor device is provided. A plurality of conductive pillars are formed on the at least one lower semiconductor device. A dummy die is disposed on a side of the at least one lower semiconductor device. An upper semiconductor device is disposed on the at least one lower semiconductor device and the dummy die, wherein the upper semiconductor device reveals a portion of the at least one lower semiconductor device where the plurality of conductive pillars are disposed. The at least one lower semiconductor device, the dummy die, the upper semiconductor device, and the plurality of conductive pillars are encapsulated in an encapsulating material. A redistribution structure is formed over the upper semiconductor device and the plurality of conductive pillars.

Abstract: A chip package structure includes an interposer structure that contains a package-side redistribution structure, an interposer core assembly, and a die-side redistribution structure. The interposer core assembly includes at least one silicon substrate interposer, and each of the at least one silicon substrate interposer includes a respective silicon substrate, a respective set of through-silicon via (TSV) structures vertically extending through the respective silicon substrate, a respective set of interconnect-level dielectric layers embedding a respective set of metal interconnect structures, and a respective set of metal bonding structures that are electrically connected to the die-side redistribution structure. The chip package structure includes at least two semiconductor dies that are attached to the die-side redistribution structure, and an epoxy molding compound (EMC) multi-die frame that laterally encloses the at least two semiconductor dies.

Abstract: A semiconductor package includes a redistribution structure, a supporting layer, a semiconductor device, and a transition waveguide structure. The redistribution structure includes a plurality of connectors. The supporting layer is formed over the redistribution structure and disposed beside and between the plurality of connectors. The semiconductor device is disposed on the supporting layer and bonded to the plurality of connectors, wherein the semiconductor device includes a device waveguide. The transition waveguide structure is disposed on the supporting layer adjacent to the semiconductor device, wherein the transition waveguide structure is optically coupled to the device waveguide.

Abstract: A fingerprint sensor includes a die, a plurality of conductive structures, an encapsulant, a plurality of conductive patterns, a first dielectric layer, a second dielectric layer, and a redistribution structure. The die has an active surface and a rear surface opposite to the active surface. The conductive structures surround the die. The encapsulant encapsulates the die and the conductive structures. The conductive patterns are over the die and are electrically connected to the die and the conductive structures. Top surfaces of the conductive patterns are flat. The first dielectric layer is over the die and the encapsulant. A top surface of the first dielectric layer is coplanar with top surfaces of the conductive patterns. The second dielectric layer covers the first dielectric layer and the conductive patterns. The redistribution structure is over the rear surface of the die.