A display device includes a display panel including panel pads adjacent to the side surface of a display panel; connection pads disposed on the side surface of the display panel and connected to the panel pads; and a circuit board disposed on the side surface of the display panel and including lead signal lines directly bonded to the connection pads, wherein the connection pads include a first connection pad, a second connection pad disposed on the first connection pad, and a third connection pad disposed on the second connection pad, and the first connection pad is in contact with corresponding one of the panel pads, and the third connection pad is directly bonded to corresponding one of the lead signal lines.

In a semiconductor device, a semiconductor element includes a semiconductor substrate, a surface electrode and a protective film. The semiconductor substrate has an active region and an outer peripheral region. The surface electrode includes a base electrode disposed on a front surface of the semiconductor substrate and a connection electrode disposed on the base electrode. The protective film covers a peripheral end portion of the base electrode and an outer peripheral edge of the connection electrode. The protective film has an opening to expose the connection electrode so as to enable a solder connection. A boundary between the outer peripheral edge of the connection electrode and the protective film is located at a position corresponding to the outer peripheral region in a plan view.

A semiconductor device package includes a substrate, a silicon (Si) or silicon carbide (SiC) semiconductor die, and a metal layer on a surface of the semiconductor die. The metal layer includes a bonding surface that is attached to a surface of the substrate by a die attach material. The bonding surface includes opposing edges that extend along a perimeter of the semiconductor die, and one or more non-orthogonal corners that are configured to reduce stress at an interface between the bonding surface and the die attach material. Related devices and fabrication methods are also discussed.

The present disclosure provides a redistribution layer (RDL) structure, a semiconductor device and manufacturing method thereof. The semiconductor device comprising an RDL structure that may include a substrate, a first conductive layer, a reinforcement layer and, and a second conductive layer. The first conductive layer may be formed on the substrate and has a first bond pad area. The reinforcement layer may be formed on a surface of the first conductive layer facing away from the substrate and located in the first bond pad area. The second conductive layer may be formed on the reinforcement layer and an area of the first conductive layer not covered by the reinforcement layer. The reinforcement layer has a material strength greater than those of the first conductive layer and the second conductive layer.

The present disclosure provides a redistribution layer (RDL) structure, a semiconductor device and manufacturing method thereof. The semiconductor device comprising an RDL structure that may include a substrate, a first conductive layer, a reinforcement layer and, and a second conductive layer. The first conductive layer may be formed on the substrate and has a first bond pad area. The reinforcement layer may be formed on a surface of the first conductive layer facing away from the substrate and located in the first bond pad area. The second conductive layer may be formed on the reinforcement layer and an area of the first conductive layer not covered by the reinforcement layer. The reinforcement layer has a material strength greater than those of the first conductive layer and the second conductive layer.

A method of and system for adhesive bonding by a) providing a polymerizable adhesive composition on a surface of an element to be bonded to form an assembly; b) irradiating the assembly with radiation at a first wavelength capable of vulcanization of bonds in the polymerizable adhesive composition by activation of sulfur-containing compound with at least one selected from x-ray, e-beam, visible, or infrared light to thereby generate ultraviolet light in the polymerizable adhesive composition; and c) adhesively joining two or more components together by way of the polymerizable adhesive composition, and a curable polymer for use therein.

A method of and system for adhesive bonding by a) providing a polymerizable adhesive composition on a surface of an element to be bonded to form an assembly; b) irradiating the assembly with radiation at a first wavelength capable of vulcanization of bonds in the polymerizable adhesive composition by activation of sulfur-containing compound with at least one selected from x-ray, e-beam, visible, or infrared light to thereby generate ultraviolet light in the polymerizable adhesive composition; and c) adhesively joining two or more components together by way of the polymerizable adhesive composition, and a curable polymer for use therein.

A method of and system for adhesive bonding by a) providing a polymerizable adhesive composition on a surface of an element to be bonded to form an assembly; b) irradiating the assembly with radiation at a first wavelength capable of vulcanization of bonds in the polymerizable adhesive composition by activation of sulfur-containing compound with at least one selected from x-ray, e-beam, visible, or infrared light to thereby generate ultraviolet light in the polymerizable adhesive composition; and c) adhesively joining two or more components together by way of the polymerizable adhesive composition, and a curable polymer for use therein.

A method of and system for adhesive bonding by a) providing a polymerizable adhesive composition on a surface of an element to be bonded to form an assembly; b) irradiating the assembly with radiation at a first wavelength capable of vulcanization of bonds in the polymerizable adhesive composition by activation of sulfur-containing compound with at least one selected from x-ray, e-beam, visible, or infrared light to thereby generate ultraviolet light in the polymerizable adhesive composition; and c) adhesively joining two or more components together by way of the polymerizable adhesive composition, and a curable polymer for use therein.

According to various embodiments, a method for processing an electronic component including at least one electrically conductive contact region may include: forming a contact pad including a self-segregating composition over the at least one electrically conductive contact region to electrically contact the electronic component; forming a segregation suppression structure between the contact pad and the electronic component, wherein the segregation suppression structure includes more nucleation inducing topography features than the at least one electrically conductive contact region for perturbing a chemical segregation of the self-segregating composition by crystallographic interfaces of the contact pad defined by the nucleation inducing topography features.