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Epic | | 
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General Instrument(now General Semiconductor)
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General Instrument(now General Semiconductor)
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General Instrument(now General Semiconductor)
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Gould(now American Microsystems)
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ITT Industries [Micronas Semi](now Intermetall)
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MEMC | | 
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MHS Matra Harris Semiconductor
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MHS Matra Harris Semiconductor
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MHS Matra Harris Semiconductor
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Monolithic Memories Inc.(now Vantis)
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