Is SF6 still the fill gas in plasma display TVs?

Denny Fritz






-----Original Message-----
From: Brian Ellis <[log in to unmask]>
To: [log in to unmask]
Sent: Fri, May 21, 2010 11:50 pm
Subject: Re: [TN] RE : Sapphire wafer etching


I would try to avoid SF6 for environmental reasons. It's the world's WORST greenhouse gas, tens of thousands of times worse than CO2, with a "half-life" exceeding 25 human generations, at least. It is listed in the Kyoto Protocol. 
 
Brian 
 
Tharaka Chandanayaka wrote: 
> Hi everyone, > > I was wondering that anyone came across any methods that can etch Sapphire > wafers in low temperatures. If know please let me know. Tech net is a great > source of information. > > Thank you > Tharaka Chandanayaka > [log in to unmask] > > --------------------------------------------------- 
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