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 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 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: An integrated circuit package and a method of forming the same are provided. The integrated circuit package includes a photonic integrated circuit die. The photonic integrated circuit die includes an optical coupler. The integrated circuit package further includes an encapsulant encapsulating the photonic integrated circuit die, a first redistribution structure over the photonic integrated circuit die and the encapsulant, and an opening extending through the first redistribution structure and exposing the optical coupler.

Abstract: A device and method of manufacture is provided that utilize a dummy pad feature adjacent contact pads. The contact pads may be contact pads in an integrated fan-out package in which a molding compound is placed along sidewalls of a die and the contact pads extend over the die and the molding compound. The contact pads are electrically coupled to the die using one or more redistribution layers. The dummy pad features are electrically isolated from the contact pads. In some embodiments, the dummy pad features partially encircle the contact pads and are located in a corner region of the molding compound, a corner region of the die, and/or an interface region between an edge of the die and the molding compound.

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 package includes an electronic die, a photonic die underlying and electronically communicating with the electronic die, a lens disposed on the electronic die, and a prism structure disposed on the lens and optically coupled to the photonic die. The prism structure includes first and second polymer layers, the first polymer layer includes a first curved surface concaving toward the photonic die, the second polymer layer embedded in the first polymer layer includes a second curved surface substantially conforming to the first curved surface, and an outer sidewall of the second polymer layer substantially aligned with an outer sidewall of the first polymer layer.

Abstract: A semiconductor package including a first semiconductor die, a second semiconductor die, a first insulating encapsulation, a dielectric layer structure, a conductor structure and a second insulating encapsulation is provided. The first semiconductor die includes a first semiconductor substrate and a through silicon via (TSV) extending from a first side to a second side of the semiconductor substrate. The second semiconductor die is disposed on the first side of the semiconductor substrate. The first insulating encapsulation on the second semiconductor die encapsulates the first semiconductor die. A terminal of the TSV is coplanar with a surface of the first insulating encapsulation. The dielectric layer structure covers the first semiconductor die and the first insulating encapsulation. The conductor structure extends through the dielectric layer structure and contacts with the through silicon via.

Abstract: A semiconductor package includes a first semiconductor die, a second semiconductor die, an insulating encapsulation, and a plurality of conductive pillars. The second semiconductor die is located on and electrically communicates to the first semiconductor die through joints therebetween. The insulating encapsulation encapsulates the first semiconductor die and the second semiconductor die and covers the joints. The plurality of conductive pillars is next to and electrically connected to the first semiconductor die and the second semiconductor die, and is covered by the insulating encapsulation.

Abstract: A first package is bonded to a first substrate with first external connections and second external connections. The second external connections are formed using materials that are different than the first external connections in order to provide a thermal pathway from the first package. In a particular embodiment the first external connections are solder balls and the second external connections are copper blocks.

Abstract: A semiconductor device includes an interposer disposed on a substrate. A first major surface of the interposer faces the substrate. A system on a chip is disposed on a second major surface of the interposer. The second major surface of the interposer opposes the first major surface of the interposer. A plurality of first passive devices is disposed in the first major surface of the interposer. A plurality of second passive devices is disposed on the second major surface of the interposer. The second passive devices are different devices than the first passive devices.

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 package structure and method of forming the same are provided. The package structure includes a semiconductor unit, a package component and an underfill layer. The semiconductor structure unit includes a first semiconductor structure and a second semiconductor structure disposed as side by side, and an isolation region laterally between the first semiconductor structure and the second semiconductor structure. The isolation region vertically extends from a top surface to a bottom surface of the semiconductor structure unit. The semiconductor structure unit is disposed on and electrically connected to the package component. The underfill layer is disposed to fill a space between the semiconductor structure unit and the package component.

Abstract: A device and method of manufacture is provided that utilize a dummy pad feature adjacent contact pads. The contact pads may be contact pads in an integrated fan-out package in which a molding compound is placed along sidewalls of a die and the contact pads extend over the die and the molding compound. The contact pads are electrically coupled to the die using one or more redistribution layers. The dummy pad features are electrically isolated from the contact pads. In some embodiments, the dummy pad features partially encircle the contact pads and are located in a corner region of the molding compound, a corner region of the die, and/or an interface region between an edge of the die and the molding compound.

Abstract: A method includes bonding a first device die to a second device die, encapsulating the first device die in a first encapsulant, performing a backside grinding process on the second device die to reveal through-vias in the second device die, and forming first electrical connectors on the second device die to form a package. The package includes the first device die and the second device die. The method further includes encapsulating the first package in a second encapsulant, and forming an interconnect structure overlapping the first package and the second encapsulant. The interconnect structure comprises second electrical connectors.

Abstract: An optical interconnect structure including a base substrate, an optical waveguide, a first reflector, a second reflector, a dielectric layer, a first lens, and a second lens is provided. The optical waveguide is embedded in the base substrate. The optical waveguide includes a first end portion and a second end portion opposite to the first end portion. The first reflector is disposed between the base substrate and the first end portion of the optical waveguide. The second reflector is disposed between the base substrate and the second end portion of the optical waveguide. The dielectric layer covers the base substrate and the optical waveguide. The first lens is disposed on the dielectric layer and located above the first end portion of the optical waveguide. The second lens is disposed on the dielectric layer and located above the second end portion of the optical waveguide.

Abstract: A semiconductor device including a singulated structure and an optical fiber assembly is provided. The singulated structure includes a photonic die, an electronic die connected to the photonic die and an optical element over the photonic die. The optical fiber assembly is disposed on a top of the singulated structure and includes a holder and an optical fiber structure. The holder keeps an air gap from the optical element. The optical fiber structure is carried by the holder and configured to be optically communicated with the photonic die through the optical element.

Abstract: A semiconductor device including a singulated structure and an optical fiber assembly is provided. The singulated structure includes a photonic die, an electronic die connected to the photonic die and an optical element over the photonic die. The optical fiber assembly is disposed on a top of the singulated structure and includes a holder and an optical fiber structure. The holder keeps an air gap from the optical element. The optical fiber structure is carried by the holder and configured to be optically communicated with the photonic die through the optical element.

Abstract: Disclosed are semiconductor packages and manufacturing method of the semiconductor packages. In one embodiment, a semiconductor package includes a substrate, a first waveguide, a semiconductor die, and an adhesive layer. The first waveguide is disposed on the substrate. The semiconductor die is disposed on the substrate and includes a second waveguide aligned with the first waveguide. The adhesive layer is disposed between the first waveguide and the second waveguide.

Abstract: A package structure including a photonic, an electronic die, an encapsulant and a waveguide is provided. The photonic die includes an optical coupler. The electronic die is electrically coupled to the photonic die. The encapsulant laterally encapsulates the photonic die and the electronic die. The waveguide is disposed over the encapsulant and includes an upper surface facing away from the encapsulant. The waveguide includes a first end portion and a second end portion, the first end portion is optically coupled to the optical coupler, and the second end portion has a groove on the upper surface.