Abstract: A modified dicyclopentadiene-based resin and a preparation method thereof are provided. The preparation method of the modified dicyclopentadiene-based resin includes sequentially performing nitration reaction and hydrogenation reaction of a dicyclopentadiene phenolic resin to form a modified dicyclopentadiene-based resin for which the structure has at least two amino groups. The hydrogenation reaction is performed in a solvent at a temperature of 50° C. to 120° C.

Abstract: A resin composition including a modified maleimide resin is provided. The modified maleimide resin is formed from a dicyclopentadiene (DCPD)-based resin having an amino group and a maleic anhydride by a condensation polymerization. The dicyclopentadiene-based resin having an amino group is formed by nitration reaction and hydrogenation reaction of dicyclopentadiene phenolic resin.

Abstract: A resin composition including a modified maleimide resin is provided. The modified maleimide resin is formed from a dicyclopentadiene (DCPD)-based resin having an amino group and a maleic anhydride by a condensation polymerization. The dicyclopentadiene-based resin having an amino group is formed by nitration reaction and hydrogenation reaction of dicyclopentadiene phenolic resin.

Abstract: A resin composition and use thereof, wherein the resin composition includes a resin base, an inorganic filler and a siloxane coupling agent. The resin base includes bismaleimide resins, benzoxazine resins, and naphthenic epoxy resins, and the inorganic filler includes strontium titanate or calcium-doped strontium titanate.

Abstract: A modified dicyclopentadiene-based resin is provided. The modified dicyclopentadiene-based resin is formed from a dicyclopentadiene-based resin having an amino group, a phenol and a polyoxymethylene by a cyclization reaction. The dicyclopentadiene-based resin having an amino group is formed by nitration reaction and hydrogenation reaction of dicyclopentadiene phenolic resin.

Abstract: A resin composition is provided. The resin composition includes a resin mixture, a flame retardant, spherical silica and a siloxane coupling agent. The resin mixture includes a first resin polymerized by a monomer mixture comprising styrene, divinylbenzene and ethylene, a second resin polymerized by modified dicyclopentadiene diamine and maleic anhydride, and a SBS resin. The resin composition of the disclosure may have a high glass transition temperature and a low dielectric constant and a low dissipation factor after curing.

Abstract: A resin composition is provided. The resin composition includes a resin and an inorganic filler. The resin includes a bismaleimide resin and a polyphenylene ether resin. The inorganic filler includes a first inorganic filler and a second inorganic filler. An average particle size of the first inorganic filler is 0.3 ?m to 0.6 ?m. An average particle size of the second inorganic filler is 20 ?m to 50 ?m.

Abstract: A resin composition is provided, which includes a novel low dielectric resin, a SBS resin, a cross-linking agent, a PPE resin, a halogen-free flame retardant, a spherical silica, and a siloxane coupling agent. The novel low dielectric resin is a maleimide resin. With the formula, the resin composition may improve resin fluidity and glass transition temperature (Tg) while maintaining low dielectric, thereby enhancing the overall processability.

Abstract: A light detecting device includes a substrate that has a lattice constant. A buffer layer is disposed on the substrate. A gradient layer is formed on the buffer layer opposite to the substrate, and includes a plurality of sublayers that have respectively lattice constants each of which is greater than the lattice constant of the substrate. The sublayers are arranged in a manner that the lattice constants of the sublayers undergo a gradual increase in lattice constant in a direction away from the substrate. A barrier layer is formed on the gradient layer opposite to the buffer layer, and has a lattice constant which is greater than that of the substrate and no smaller than the lattice constants of the sublayers. An absorption layer is formed on the barrier layer opposite to the gradient layer.

Abstract: An optical system is provided, including a movable part, a fixed part, and a driving assembly. The movable part is connected to a first optical element. The movable part is movable relative to the fixed part. The fixed part has a fixed part opening, wherein a light passes through the fixed part opening. The driving assembly drives the movable part to move relative to the fixed part. The first optical element at least partially overlaps the fixed part opening when the movable part is in a first position. When the movable part is in an extreme position, the first optical element does not overlap the fixed part opening.

Abstract: An optical element driving mechanism is provided, which includes a movable portion, a fixed portion and a driving assembly. The movable portion is connected with an optical element. The movable portion is movable relative to the fixed portion. The driving assembly is configured to drive the movable portion to move relative to the fixed portion.

Abstract: An optical system is provided, including a fixed part, a movable part, and a driving assembly. The fixed part has an opening. A light passes through the opening. The movable part is movable relative to the fixed part and connected to a first optical element. The driving assembly drives the movable part to move relative to the fixed part. The first optical element at least partially overlaps the opening when the movable part is in a first position. The first optical element further includes a first optical element surface, and the first optical element surface faces the light.

Abstract: The invention provides a high thermal conductivity fluororesin composition and products thereof. The high thermal conductivity fluororesin composition includes a polytetrafluoroethylene resin, a fluorine-containing copolymer, spherical inorganic fillers and impregnation aids.

Abstract: A composite material substrate includes an inorganic filler, a resin composition, and a dispersant. The resin composition includes a bismaleimide resin, a naphthalene ring-containing epoxy resin, and a benzoxazine resin. The inorganic filler, the resin composition, and the dispersant are mixed together.

Abstract: A semiconductor device structure is provided. The semiconductor device structure includes a first source/drain epitaxial feature formed over a substrate, a second source/drain epitaxial feature formed over the substrate, two or more semiconductor layers disposed between the first source/drain epitaxial feature and the second source/drain epitaxial feature, a gate electrode layer surrounding a portion of one of the two or more semiconductor layers, a first dielectric region disposed in the substrate and in contact with a first side of the first source/drain epitaxial feature, and a second dielectric region disposed in the substrate and in contact with a first side of the second source/drain epitaxial feature, the second dielectric region being separated from the first dielectric region by a substrate.

Abstract: An interconnect structure on a semiconductor die includes: a lower conductive layer; an upper conductive layer disposed above the lower conductive layer; and a VIA disposed between the lower conductive layer and the upper conductive layer. The VIA includes: a primary interconnect structure and a sacrificial stress barrier ring disposed around the primary interconnect structure and separated a distance from the primary interconnect structure. A fabrication method for the interconnect structure includes: forming a dielectric layer over a lower conductive layer; patterning photoresist (PR) layer over the dielectric layer to define a location for a plurality of VIA trenches, wherein the patterning includes patterning the PR layer to provide a center opening for the VIA trenches that is surrounded by a ring opening for the VIA trenches, wherein the center opening and the ring opening are spaced apart.

Abstract: A hot spot defect detecting method and a hot spot defect detecting system are provided. In the method, hot spots are extracted from a design of a semiconductor product to define a hot spot map comprising hot spot groups, wherein local patterns in a same context of the design yielding a same image content are defined as a same hot spot group. During runtime, defect images obtained by an inspection tool performing hot scans on a wafer manufactured with the design are acquired and the hot spot map is aligned to each defect image to locate the hot spot groups. The hot spot defects in each defect image are detected by dynamically mapping the hot spot groups located in each defect image to a plurality of threshold regions and respectively performing automatic thresholding on pixel values of the hot spots of each hot spot group in the corresponding threshold region.

Abstract: Composite dielectric structures for semiconductor die assemblies, and associated systems and methods are disclosed. In some embodiments, the composite dielectric structure includes a flexible dielectric layer configured to conform to irregularities (e.g., particles, defects) at a bonding interface of directly bonded semiconductor dies (or wafers). The flexible dielectric layer may include a polymer material configured to deform in response to localized pressure generated by the irregularities during bonding process steps. The composite dielectric structure includes additional dielectric layers sandwiching the flexible dielectric layer such that the composite dielectric structure can provide robust bonding strength to other dielectric layers through the additional dielectric layers. In some embodiments, a chemical vapor deposition process may be used to form the composite dielectric structure utilizing siloxane derivatives as a precursor.

Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion used for connecting an optical element, a fixed portion, and a driving assembly used for driving the movable portion to move relative to the fixed portion. The movable portion is movable relative to the fixed portion.

Abstract: A resin composition includes resin and inorganic filler. The resin includes liquid rubber resin, polyphenylene ether resin, and a crosslinking agent. Compared to a total of 100 parts by mass of the resin, the usage amount of the inorganic filler is at least greater than or equal to 40 parts by mass.