An Electromagnetic and Ultrasonic Shield

  
I like to present a Shielding Carpet for shielding Electromagnetic (EM) and Ultrasonic waves. Shielding EM waves is easy. You need to enclose whatever you want to shield by some metal. Faraday cage is a good example.
An Electromagnetic and Ultrasonic Shield  - schematic

So the first boundary reflects most of the energy. Bubble wrap is placed to provide an air layer between two aluminum layers. Fig. 1 shows a practical implementation. by  4beowulf7 - 4beowulf7@gmail.com

PCB file: Click here to download 255 file.PCB file: Click here to download 255 file.


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