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-are-allergic-to-helium/ and vid: https://www.youtube.com/watch?v=D0YLW6v5hrA
Original thread about MRI facility and iPhone failure on Reddit: https://www.reddit.com/r/sysadmin/comments/9mk2o7/mri_disabled_every_ios_device_in_facility/
MEMs silicon encapsulation: http://micromachine.stanford.edu/~bongsang/pdf/Candler_2005_Transducers05_Hydrogen_diffusion_encapsulated.pdf https://www.sitime.com/api/gated/AN20001-MEMS-First-and-EpiSeal-Processes.pdf https://sci-hub.tw/10.1109/TADVP.2003.818062
I added images and raw data here: https://drive.google.com/drive/folders/1l3mJ4UTs8aY70scH7vDaf0M8pLeP2kqI?usp=sharing
Applied Science on Patreon: https://www.patreon.com/AppliedScience
Видео MEMs oscillator sensitivity to helium (helium kills iPhones) канала Applied Science
iFixit blog post: https://ifixit.org/blog/11986/iphones-are-allergic-to-helium/ and vid: https://www.youtube.com/watch?v=D0YLW6v5hrA
Original thread about MRI facility and iPhone failure on Reddit: https://www.reddit.com/r/sysadmin/comments/9mk2o7/mri_disabled_every_ios_device_in_facility/
MEMs silicon encapsulation: http://micromachine.stanford.edu/~bongsang/pdf/Candler_2005_Transducers05_Hydrogen_diffusion_encapsulated.pdf https://www.sitime.com/api/gated/AN20001-MEMS-First-and-EpiSeal-Processes.pdf https://sci-hub.tw/10.1109/TADVP.2003.818062
I added images and raw data here: https://drive.google.com/drive/folders/1l3mJ4UTs8aY70scH7vDaf0M8pLeP2kqI?usp=sharing
Applied Science on Patreon: https://www.patreon.com/AppliedScience
Видео MEMs oscillator sensitivity to helium (helium kills iPhones) канала Applied Science
Показать
Комментарии отсутствуют
Информация о видео
Другие видео канала
Electroluminescent paint and multi-channel control circuitWhy Machines That Bend Are BetterHow anti-theft tags work - magnetostrictionHigh-resolution screen printing demystifiedThe World Of Microscopic MachinesLaser diode self-mixing: Range-finding and sub-micron vibration measurement"Bouncy" sulfur hexafluoride gas in tennis balls?iPhone 7 Battery Repair Guide - Fixez.comCryogenic treatment of drill bits: tested 2X lifetime and microstructure analysisWaterjet cutter built with a cheap pressure washerElectro-osmosis: pumping water with electricity and no magnetsMaking YBCO superconductorAlpha radiation makes sparks, detects smoke, and eliminates static clingUV laser creates disappearing ink in normal printer paperElectron microscope animation: Carbon nanotubes pulled into threadEngineering magnetics -- practical introduction to BH curveMicromachining Overview - How MEMS are MadeDemo and teardown of an X-ray fluorescence gun (measures chemical composition)EEVblog #1089 - XTAL Oscillator Teardown