A HIGH BREAKOVER voltage solid state crosspoint array, previously developed, served to replace mechanical switches for the telephone speech path. High over-voltage tolerances, high dv/dt capability, high gate sensitivity, and low-cost fabrication are required for solid state crosspoints, which are then useful for high performance telephone exchange networks. A previously-reported 450V brcakover voltage optically-coupled crosspoint array' has satisfied the requirement for adequate over-voltage tolerances. But,…
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