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171results about How to "Highly practical" patented technology

Semiconductor device and method of manufacturing thereof

A connection method for materializing a high-performance semiconductor system which is small-sized and high dense, is capable to three-dimensionally connecting a plurality of different kinds of semiconductor chips through piercing electrodes with shortest wiring lengths. The connection method enables high-speed operation with low noise, so as to obtain reliable and excellent connection in a short TAT at low costs. In a three-dimensional chip lamination composed of different kinds of semiconductor chips laminated one upon another with an interpose chip being interposed therebetween for connecting the upper and lower semiconductor chips, the semiconductor chips and the interposer chips are polished by grinding or the like at their rear surfaces so as to have thin thickness, holes are formed at rear surface positions corresponding to external electrode parts on the device side (front surface side) so that the holes extend to front surface electrodes, by dry etching or the like, and metal plating films are applied to the side walls of the holes and rear surface side, metal bumps of another semiconductor chip laminated at an upper stage being press-fitted into the holes applied with the metal plating films through deformation and being geometrically calked in the through holes formed in the semiconductor chip so as to electrically connected thereto.
Owner:RENESAS ELECTRONICS CORP

Dye-sensitized solar cell module and the manufacturing method using carbon nanotube electrode

Disclosed herein is a dye-sensitized solar cell module having carbon nanotube electrodes, the solar cell module comprising: upper and lower transparent substrates; conductive transparent electrodes formed on the inner surfaces of the upper and lower transparent substrates; a plurality of porous oxide semiconductor negative electrodes formed on the upper conductive transparent electrode at a constant interval and having a dye adsorbed on the surface thereof; counter electrodes formed on the lower conductive transparent electrode in a thin film form and made of a carbon nanotube layer as a positive electrode portion corresponding to the negative electrodes; grid electrodes formed on the upper and lower conductive transparent electrodes between unit electrodes, each consisting of the negative electrode and the counter electrode corresponding thereto, the grid electrodes serving to collect electrons generated by photosensitization; connecting electrodes formed on the upper and lower conductive transparent electrodes and electrically connected with the grid electrode so as to transfer electrons moved from the grid electrodes to the outside; and electrolyte placed between the negative electrodes and the counter electrodes. Also disclosed is a method for manufacturing the solar cell module. According to the disclosed invention, a high-efficiency, large-area, dye-sensitized solar cell comprising carbon nanotubes is realized by forming a plurality of dye-sensitized solar cell units in a module arrangement, and forming grid electrodes and connection electrodes for the collection and movement of electrons. Thus, the disclosed invention has high practical utility.
Owner:KOREA ELECTROTECH RES INST
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