Importance

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Abstract

A mounting for a semiconductor integrated circuit device, such as a charge coupled device ('CCD') or an erasable programmable read only memory device ('EPROM'), includes an insulating substrate having an aperture between its first and second surfaces. A first surface of the integrated circuit device is placed adjacent to and facing the first surface of the substrate. Light sensitive circuitry on the first surface of the integrated circuit device is aligned with the aperture. Solder bumps on the periphery of the first surface of the integrated circuit are electrically connected to corresponding conductive metallizations on the first surface of the substrate. A aperture cover transparent to light is affixed to the second surface of the substrate and extends over the aperture, so that light may be transmitted through the aperture cover and aperture to the light sensitive circuitry on the first surface of the integrated circuit device. The substrate may be a printed circuit board.

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First Claim