摘要:
A method for fabricating semiconductor packages is disclosed, including mounting and electrically connecting a semiconductor chip onto a chip carrier; mounting a heat-dissipating structure on the semiconductor chip; placing the heat-dissipating structure into a mold cavity for filling therein a packaging material to form an encapsulant, wherein the heat-dissipating structure has a heat spreader having a size larger than that of the predetermined size of the semiconductor package, a covering layer formed on the, and a plurality of protrusions formed on edges of the covering layer that are free from being corresponding in position to the semiconductor chip, such that the protrusions can abut against a top surface of the mold cavity to prevent the heat spreader from being warped; and finally performing a singulation process according to the predetermined size and removing the encapsulant formed on the covering layer to form the desired semiconductor package. Also, this invention discloses a heat-dissipating structure applicable to the method described above.
摘要:
A heat dissipating semiconductor package and a fabrication method therefor are provided. The fabrication method for the heat dissipating semiconductor package mainly includes steps of: containing a substrate having a chip mounted thereon in an aperture of a carrier; mounting a heat dissipating sheet having supporting portions on the carrier with the heat dissipating sheet being attached on the chip; forming an encapsulant to encapsulate the semiconductor chip and the heat dissipating structure; removing a part of the encapsulant above the heat dissipating sheet with a part of the heat dissipating sheet exposed from the encapsulant by lapping; and forming a cover layer on the part of heat dissipating sheet to prevent it from oxidation; and cutting along a predetermined size of the semiconductor package, thereby heat generated from an operation of the chip is dissipated via the heat dissipating structure.
摘要:
A heat dissipating semiconductor package and the fabrication method therefor are provided. The fabrication method for the heat dissipating semiconductor package mainly includes steps of: containing a substrate having a chip mounted thereon in an aperture of a carrier, wherein the carrier has an electroconductive layer; allowing a heat dissipating structure having supporting portions to be mounted on and electrically connected to the electroconductive layer of the carrier via the supporting portions thereof while heat dissipating structure being mounted on the chip; after an encapsulation process and removing a part of the encapsulant above the heat dissipating sheet by lapping to expose a surface of the heat dissipating structure from the encapsulant, depositing and forming a metal passivation layer on the surface of the heat dissipating structure by electroplating for preventing the heat dissipating structure from oxidizing.
摘要:
A display device comprises a cover and a display module. The cover includes a bottom plate and at least one cover limit element. The cover limit element projects inwardly from an inner surface of the bottom of the cover. A space is formed between the bottom plate and the cover limit element. The display module includes a frame with at least one frame limit element disposed at an end of the frame and projecting at a position between the cover limit element and the bottom plate. The frame limit element is configured to be disposed in the space and between the cover limit element and the bottom plate to retain the display module with the cover.
摘要:
A dustproof structure is used in an electronic device, which includes a housing and a display panel. The dustproof structure includes a dustproof section and a first adhesive section. The dustproof section is located and received in the housing. The first adhesive section is fixed on the one side of the dustproof section, and the display panel is fixed on the dustproof structure by the first adhesive section and is assembled to the housing. The dustproof structure fills gaps between the housing and the display panel.
摘要:
A frame formed by cutting and bending a plate base is provided. The maximum thickness of the frame is T, the thickness of the plate base is t, and 1.5t≦T≦2.5t. The frame includes a first plate element, a second plate element, and a bending portion. The second plate element is directly contacted to the first plate element, and the first plate element is substantially parallel to the second plate element. The bending portion is connected between the first plate element and the second plate element. A backlight module using the above-mentioned frame and a liquid crystal display (LCD) module using the backlight module are also provided.
摘要:
A backlight module including a light guide plate, light source sets, and controlling circuits is provided. The light guide plate has a plurality of regions, and each region of the light guide plate has a light incident surface correspondingly. Each light source set is disposed at the light incident surface of one of the regions of the light guide plate, and each light source set has at least one middle light source and at least one edge light source. The middle light source is disposed in a middle region of the light source set and the edge light source is disposed at an edge of the light source set. Each controlling circuit is electrically connected to the middle light source of one of the light source sets, and the edge light source of each light source set is electrically connected to the controlling circuit of the adjacent light source set.
摘要:
A method for forming a semiconductor device is described. An opening is formed in a first dielectric layer, exposing an active region of the transistor, and an atomic layer deposited (ALD) TaN barrier is conformably formed in the opening, at a thickness less than 20 Å. A copper layer is formed over the atomic layer deposited (ALD) TaN barrier to fill the opening.
摘要:
A semiconductor structure includes a first silicon-containing layer comprising an element selected from the group consisting essentially of carbon and germanium wherein the silicon-containing layer has a first atomic percentage of the element to the element and silicon, a second silicon-containing layer comprising the element over the first silicon-containing layer, and a silicide layer on the second silicon-containing layer. The element in the second silicon-containing layer has a second atomic percentage of the element to the element and silicon, wherein the second atomic percentage is substantially lower than the first atomic percentage.
摘要:
A semiconductor package structure includes a substrate, a chip module, a lead frame, and a bridging element. The chip module is electrically connected to the substrate. The lead frame is disposed beside one side of the substrate, and the lead frame has a projecting block unit. The bridging element has one side electrically connected with the chip module, and a first positioning unit formed on the other side thereof for electrically retaining with the projecting block unit. Moreover, the semiconductor package structure of the present invention is applied to a design of multi-chip package, and ensures that a bridging element is connected with a chip via the bridging element being retained by a lead frame. In addition, the junction between the bridging element and the lead frame do not cause displacement between the lead frame and the bridging element during the packaging process.