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Water Resistant Electronic Gadget
Water Resistant Electr  
Dear Aviva

http://en.wikipedia.org/wiki/Water_Resistant_mark
http://deloachwatchservice.com/other_stuff/water_resistancy.htm
http://www.theverge.com/2013/7/10/4511142/battle-of-the-waterproof-phones-review
http://www.ebay.com/bhp/water-resistant-cell-phone

Technically, Electronic components viz Integrated Circuits, Transistors, Resistors, capacitors etc are susceptible to Damage
if the electronic gadgets are dipped in water. Isn't it ?.

What is the technology the electronic gadgets manufacturers are applying to manufacture water resistant electronic gadgets viz watches, mobile phones etc ?.

Are they using Special Glass coating or any other material for
waterproof ?.

Awaiting your reply,

Thanks & Regards,
Prashant S Akerkar

Answer
Dear Prashant S Akerkar,
There are 2 ways to seal electronic devices:
1. Water proof packaging meaning the plastic or metal package is sealed using a rubber
  gasket or a water proof glue.
2. The device is filled with a silicon based paste like RTV  
  (http://en.wikipedia.org/wiki/RTV_silicone) or epoxy glue.

Best Regards,

Aviva

Computer Goods/Electronics

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Aviva Shalem

Expertise

I can answer questions about electronic devices' development processes, PCB design and manufacturing processes, Assembly processes and anything related to electronic products engineering. I do not provide schematic designs or any other designs for free. I can, however, give advice on the validity of new designs.I'll not answer questions regarding fixing electronic products/devices or draw schematics for you! I can and will help you fix your processes. Electronic product engineering IS NOT electronic engineering!

Experience

I have more than 20 years experience in electronic products engineering.Anything and everything from design through manufacturing to maintenance.

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Aviariana Engineering and Training Ltd.

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