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US5237434A Microelectronic module having optical and electrical interconnects 失效
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Microelectronic module having optical and electrical interconnects
摘要:
A multichip module having high density optical and electrical interconnections between integrated circuit chips. An optically transparent substrate is positioned overlying an array of integrated circuit chips mounted on a mounting substrate. The mounting substrate may include a heat sink to remove excess heat from the integrated circuit chips. The multichip module includes integrated circuit chips having optical detectors and optical transmitters to establish optical interconnections therebetween. A hologram is positioned in the optical path between the optical transmitters and the optical detectors. A planar mirror is preferably positioned opposite the hologram to direct the optical beams. The optically transparent substrate also includes an array of electrical contact pads to establish electrical connections with corresponding electrical contact pads on the underlying integrated circuit chips. A pattern of electrical interconnection lines is provided on at least one of the mounting substrate or the transparent substrate to electrically interconnect predetermined ones of the integrated circuit chips.
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