BiStable Switch

What is a BiStable Switch?

Technically speaking, a BiStable Switch is a mechanical device which offers two stable end positions with a single actuation. However, complex mechanical devices usually defy explanation so an example of a BiStable Switch can be found on standard mechanical pen.

Our goal in the ENSC 494 Micro-machining course was to design a BiStable Switch that could be fabricated as a micro-machined device.

Motivation for a BiStable Switch

BiStable Switches can be used as:
- a switch to control mirrors in optical circuits
- a transmission for micro mobiles

Currently these applications are solved via a monostable switch. Monostable switches however have drawbacks such as:
- high power consumption
- need to dissipate heat

For more information on Micro Machining and its applications, CLICK HERE

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