[p2p-research] List of articles on Indium/Gallium Supplies

Tere Vadén tere.vaden at uta.fi
Tue May 5 11:40:48 CEST 2009


An interesting article "Minerals scarcity: A call for managed austerity
and the elements of hope" with discussion:
 http://europe.theoildrum.com/node/5239#more


marc fawzi wrote:
> It's really not an attack on anyone's work.
> 
> I am just SURPRISED and PUZZLED by the claim that several key
> technologies vital to telecom, high frequency electronics and weapon
> systems will have to be replaced in the next 15 years.
> 
> 1 - GaAs FETs (Gallium Arsenide Field Effect Transistors which are
> everywhere in telecom equipment, cell phones and sll high-frequency
> electronics, including HDTV broadcast equipment and TVs)
> 
> 2 - GaAS IR laser diodes in all DVD players and in military electronics
> 
> 3- GaN FETs as the basis for post-silicon microchips that can continue
> to uphold Moore's law (there are other more exotic alternatives to
> silicon but not sure if the fab processes are as well developed, so I
> would have some concern or at least questions to answer if Gallium was
> indeed running out, i.e. how will we continue to uphold Moore's law
> realistically speaking in the next 25 years?)
> 
> 4 - Indium (as ITO) in all LCD displays  (I am less concerned with
> availability of Indium for LCD displays since organic LEDs are the
> future of flat panel displays an they are already here and in
> production in a growing flat panel displays)
> 
> 5 - Indium in new generation solar cells, including radiation hardened
> ones used in satellites (I'm  quite concerned here because hundreds of
> millions of dollars have gone into developing InGaN, InN, and InGaP
> based solar panels specifically for more efficient solar cells and
> besides photosynthesis I have no clue if there is a replacement for
> Indium on the horizon)
> 
> In other words, if the claim that we're running out has any truth to
> it, it would wreck havoc on telecom, HDTV, high efficiency solar cells
> and weapon systems production.
> 
> The next step in this debate is to get the analysis and the data used
> in the analysis from those who are promoting the conclusion that we
> are running out of gallium (and indium although the latter would be a
> much more confined disruption), whomever they had gotten it from in
> the first place.
> 
> It's not a big deal to look at an analysis and consider it carefully.
> It may be the story of the century and would make first page on Wired
> and IEEE Times if it's true.
> 
> Marc
> 
> 
> 
> 
> On Tue, Feb 24, 2009 at 9:02 PM, M. Fioretti <mfioretti at nexaima.net> wrote:
>> On Fri, Feb 20, 2009 11:54:35 AM -0800, marc fawzi wrote:
>>
>>> We had ample debate but (after asking twice) no one has provided a
>>> link to the paper that says gallium/indium supplies are at risk of
>>> being depleted in the short term.
>> It just occurred to me that the right thing to do, or one of them at
>> least, would have been to contact directly A. Reller (the author of
>> that paper) and ask _him_ to put the paper online and/or comment to
>> the pages posted here which attak his thesis. I'm really sorry I
>> didn't think of this sooner.
>>
>> Reller's email address is armin.reller, at physik.uni-augsburg.de.
>> I've already written to him privately and will report here any
>> feedback, but obviously you're all encouraged to do the same.
>>
>> Ciao,
>>                Marco F.
>>                http://mfioretti.net
>> --
>> Your own civil rights and the quality of your life heavily depend on how
>> software is used *around* you:            http://digifreedom.net/node/84
>>
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