Carbon Black Deposition

pcastle at stanford.edu pcastle at stanford.edu
Fri Sep 13 10:09:29 PDT 2002


We have done gold-black as an optical absorption coating.  It is done in
a thermal evaporator.  It has great absorption properties but is very
delicate (it can be washed off).

pat

Quoting Anthony Flannery <flannery at Stanford.EDU>:

> Hi,
> 
> Mark Capelli over in the Mechanical Engineering department had
> developed a process for depositing
> diamond-like carbon. He may already have a set of process parameters
> that give you a rough carbon deposit
> that will have the optical properties you need.  He's been willing to
> work with people in the past for
> given projects.
> 
> Just as a sideline - there are lots of papers on electroplating of Pt
> black. It would most likely have
> greater broadband absorbance than carbon black.  Carbon black will
> probably not absorb well in the IR. If
> this is for Telco, you're better off with Pt.
> 
> Tony Flannery
> 
> 
> Evan Thrush wrote:
> 
> > Hello Friendly Labmembers,
> >
> > I am interested in finding good materials for optical isolation,
> black
> > polyimides, etc.  Anyway, I have had some problems finding black
> polyimides
> > that I like and someone recommended that I use Carbon black.  I
> guess you
> > deposit carbon black with some method, such as sputtering, onto a
> lift off
> > mask?  Anyway, I don't know much about this process.  Does anyone
> know of
> > carbon black deposition techniques that are readily available
> around the
> > lab or nearby Stanford.  How do you pattern this stuff?
> >
> > Thanks for your help!,
> > Evan
> >
> >
>
------------------------------------------------------------------------------------------------------
> >
> > Evan Thrush
> > Stanford University; E.E. PhD Candidate
> > CIS-X Rm. B113-21, Stanford, CA 94305-4075
> > Phone: (650)725-2774 E-mail: ethrush at stanford.edu
> > Fax: (650)723-4659 Homepage: http://snow.stanford.edu/~ethrush
> 
> 



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