Embodiments include an encapsulation material, one or more semiconductor packages, and methods of the semiconductor packages. A semiconductor package including dies disposed on a package substrate. The semiconductor package also includes at least one of an underfill layer, a mold layer, and a dielectric layer on or in the package substrate. The semiconductor package further includes an encapsulation material having a fluorescent chemical compound and an epoxy. The encapsulation material may be incorporated into at least one of the underfill layer, the mold layer, and/or the dielectric layer on or in the package substrate. The fluorescent chemical compound of the encapsulation material may include at least one of a poly(vinylcarbazole) (PVCz), a 1,4-Bis(5-phenyl-2-oxazolyl) benzene (POPOP), and/or a plurality of conjugated, aromatic molecules and polymers. The encapsulation material may include at least one of a hardener, a filler, an additive, and/or a polymer.

A dual-side cooling package includes a first semiconductor die and a second semiconductor die disposed between a first direct bonded metal (DBM) substrate and a second DBM substrate. A metal surface of the first DBM substrate defines a first outer surface of a package and a metal surface of the second DBM substrate defines a second outer surface of the package. The first semiconductor die is thermally coupled to the first DBM substrate. A first conductive spacer thermally couples the first semiconductor die to the second DBM substrate. The second semiconductor die is thermally coupled to a second conductive spacer. Further, one of the second semiconductor die and the second conductive spacer is thermally coupled to the first DMB substrate and the other of the second semiconductor die and the second conductive spacer is thermally coupled to the second DBM substrate.

An adhesive member includes: a conductive particle layer including a plurality of conductive particles; a non-conductive layer disposed on the conductive particle layer; and a screening layer interposed between the conductive particle layer and the non-conductive layer and includes a plurality of screening members spaced apart from each other.

An adhesive member includes: a conductive particle layer including a plurality of conductive particles; a non-conductive layer disposed on the conductive particle layer; and a screening layer interposed between the conductive particle layer and the non-conductive layer and includes a plurality of screening members spaced apart from each other.

An anisotropic conductive film contains conductive particles and spacers. The spacers are arranged at a central part of the film in a width direction. The central part of the film in the width direction represents 20 to 80% of the overall width of the film. The height of the spacers in the thickness direction of the anisotropic conductive film is larger than 5 m and less than 75 m. Such an anisotropic conductive film has a layered structure having a first insulating adhesion layer and a second insulating adhesion layer, wherein the conductive particles are dispersed in the first insulating adhesion layer, and the spacers are regularly arranged on a surface of the first insulating adhesion layer on a side of the second insulating adhesion layer.

An anisotropic conductive film contains conductive particles and spacers. The spacers are arranged at a central part of the film in a width direction. The central part of the film in the width direction represents 20 to 80% of the overall width of the film. The height of the spacers in the thickness direction of the anisotropic conductive film is larger than 5 m and less than 75 m. Such an anisotropic conductive film has a layered structure having a first insulating adhesion layer and a second insulating adhesion layer, wherein the conductive particles are dispersed in the first insulating adhesion layer, and the spacers are regularly arranged on a surface of the first insulating adhesion layer on a side of the second insulating adhesion layer.

A semiconductor package includes a package substrate, at least one first semiconductor chip on the package substrate and having a first height as measured from the package substrate, at least one second semiconductor chip on the package substrate spaced apart from the first semiconductor chip and having a second height less than the first height as measured from the package substrate, at least one third semiconductor chip stacked on the first and second semiconductor chips, and at least one support structure between the at least one second semiconductor chip and the at least one third semiconductor chip configured to support the at least one third semiconductor chip.

In some embodiments, the present disclosure relates to an integrated chip including a substrate and a first die disposed over the substrate. A first plurality of die stopper bumps are disposed along a backside of the first die. The first plurality of die stopper bumps directly contact the backside of the first die, and the first plurality of die stopper bumps are arranged as a plurality of groups of die stopper bumps. A plurality of adhesive structures are also present. Each of the plurality of adhesive structures surrounds a corresponding group of the plurality of groups of die stopper bumps.

A gas sensor package is disclosed. The gas sensor package can include a housing defining a first chamber and a second chamber. An electrolyte can be provided in the first chamber. A gas inlet can provide fluid communication between the second chamber and the outside environs. The gas inlet can be configured to permit gas to enter the second chamber from the outside environs. An integrated device die can be mounted to the housing. The integrated device die can comprise a sensing element configured to detect the gas. The integrated device die can have a first side exposed to the first chamber and a second side exposed to the second chamber, with the first side opposite the second side.

Provided is an adhesive for semiconductor mounting that can achieve high-precision gap control and can increase heat resistance when a semiconductor is mounted. An adhesive for semiconductor mounting according to the present invention is an adhesive that is used for mounting a semiconductor, and contains a silicone resin and a spacer, the content of the spacer being 0.1% by weight or more and 5% by weight or less in 100% by weight of the adhesive, the 10% compressive elasticity modulus of the spacer being 5000 N/mm.sup.2 or more and 15000 N/mm.sup.2 or less, and the average particle diameter of the spacer being 10 m or more and 200 m or less.