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Old 01 January 2008, 17:02   #1
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Military waterproof coating for phones

Ion-Mask is a new coating that can be applied to all sorts of things - from trainers to phones and radios to make them 100% waterproof. We should be hearing loads about this soon. it may even spell the end of my Freezer Bags!!!

http://www.telegraph.co.uk/earth/mai...scitech230.xml

Originally developed at Porton Down to repel bio warfare agents..........
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Old 01 January 2008, 20:48   #2
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Come on cods, they've numerous good robust, water resistant phones then withdrawn then from the market..... why do you think that was.........!?

I seriously doubt that they will stsrt to use this stuff if it is as good as it says for the very reasons that we can get a good waterproof vhf but not a good water resistant phone... but you cant charge them! oh yes you can... but you cant make waterproof data sockets oh yes you can!.......(flatline, continuous tone)
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Old 01 January 2008, 21:44   #3
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The big advantage of this stuff is that it can be used during manufacture to protect the main circuits - so if used on a VHF radio for example then even if water does get past the seals and covers it will still work fine. Maybe Navman will start using it on their fuel computers....................
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Old 02 January 2008, 03:20   #4
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we had some sales rep in our place prior to xmas with some solution, name escapes me at present, think it may be Nova,
this barmy git got a std light fitting with normal 240v baynet bulb pluged it in mains sprayed solution and immersed it in bucket of water whilst still holding it, now thats faith or dam right stupid, was amazed to be shaking his hand at the end of the demo. expected to be pumping his chest instead,

there is also a vidio of a tv being sprayed with cover of, then placing in vat of water, strange watching tv under water,
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Old 02 January 2008, 03:26   #5
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Quote:
Originally Posted by Simon B View Post
Come on cods, they've numerous good robust, water resistant phones then withdrawn then from the market..... why do you think that was.........!?

I seriously doubt that they will stsrt to use this stuff if it is as good as it says for the very reasons that we can get a good waterproof vhf but not a good water resistant phone... but you cant charge them! oh yes you can... but you cant make waterproof data sockets oh yes you can!.......(flatline, continuous tone)
Simon - you may just have solved a mystery for me which has been puzzling me for years - why IP67 VHF but not even IP55 phones... ...if I understand you correctly you are saying the issue is the power and data connections. The power connections on my VHF are (IIRC) two 1/8" x1/8" stainless (?) patches an inch apart - I suppose that would be a bit big for most phones. For data blue tooth is presumably the "easy" answer for waterproofing?
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Old 02 January 2008, 03:46   #6
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The big advantage of this stuff is that it can be used during manufacture to protect the main circuits - so if used on a VHF radio for example then even if water does get past the seals and covers it will still work fine. Maybe Navman will start using it on their fuel computers....................
I may be wrong but I don't think this is proposed as a treatment for electronic circuits themselves but rather as a way of treating casings to help keep water out. It is a plasma process so is unlikely to be very good for the average circuit board.
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Old 02 January 2008, 08:42   #7
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i think it's suitable for most things but yes it's mainly to make the whole unit waterproof. The plasma can't get that hot if they can apply it to fine textiles and paper!!!
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Old 02 January 2008, 11:49   #8
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The plasma can't get that hot if they can apply it to fine textiles and paper!!!
temperature is not the problem its the charge / electric fields. They will either be generating the plasma using an RF or microwave induced discharge (or one of the varients) - you wouldn't put your phone in a microwave and expect it to work afterwards.
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Old 02 January 2008, 12:19   #9
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Simon - you may just have solved a mystery for me which has been puzzling me for years - why IP67 VHF but not even IP55 phones... ...if I understand you correctly you are saying the issue is the power and data connections. The power connections on my VHF are (IIRC) two 1/8" x1/8" stainless (?) patches an inch apart - I suppose that would be a bit big for most phones. For data blue tooth is presumably the "easy" answer for waterproofing?

No Polwart, I just get wound up a bit by an industry that clearly can make good phones and make them waterproof but doesnt because they wouldnt sell as many as fewer would be dying due to water ingress although most of my phones have packed up at around the 14-18 month mark due to other problems.

I'll keep quiet and only rant in a positive way next time.
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Old 02 January 2008, 12:25   #10
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temperature is not the problem its the charge / electric fields. They will either be generating the plasma using an RF or microwave induced discharge (or one of the varients) - you wouldn't put your phone in a microwave and expect it to work afterwards.
It did actually - it was the washing machine that killed it..................
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