MEMs oscillator sensitivity to helium (helium kills iPhones)

I tested the 32KHz MEMs oscillator used in some phones, and discovered that just a 2% helium environment will cause the oscillator to fail. I also do a teardown of the MEMs device, and inspect it under the electron microscope.

iFixit blog post: https://ifixit.org/blog/11986/iphones... and vid:    • Does Helium Break iPhones?!  


Original thread about MRI facility and iPhone failure on Reddit:   / mri_disabled_every_ios_device_in_facility  



MEMs silicon encapsulation: http://micromachine.stanford.edu/~bon... https://www.sitime.com/api/gated/AN20... https://sci-hub.tw/10.1109/TADVP.2003...

I added images and raw data here: https://drive.google.com/drive/folder...

Applied Science on Patreon:   / appliedscience