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Abstract
An 8 × 8 matrix relay, having a volume about one tenth that of conventional relays, has been developed using microsystem design and conventional machining technology. Also the performance of switch actuators is investigated to clarify the limits of miniaturization. The developed relay has 64 electromagnetic bi-stable switches and its dimensions are 28 mm × 32 mm×7 mm. The relay has a multilayered planer structure, which is popular in microelectromechanical system design. Its contact force is 10 mN, which is one tenth that of conventional relay. Also, mechanical and magnetic interferences between switch actuators and electrostatic interference among signal lines are analyzed theoretically. The results show that (a) the mechanical and electrical interferences are independent of length, (b) electrostatic interference is proportional to length, and (c) the limit of miniaturization is about one tenth of the prototype.
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