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Technology Stocks : Flat Panel Displays - alternatives to AMLCDs
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To: Peter J. Opdahl who wrote (117)9/11/1996 7:36:00 PM
From: bob mackey   of 473
 
>>>>FEDs based on molybdenum cathodes

Peter said:
> ... but moly cathodes have other
> problems as well -- like they are very hard to interconnect to
> unless coated with chrome, aluminum, or gold. Moly oxidizes in
> air and the oxidized material causes problems with the anisotropic
> interconnect. To make a long story short, moly causes problems and
> unless you feel you *really* have a handle on your TAB attach tech,
> you should stay away.

Sure, moly oxidizes. But in my experience that hasn't been much of a problem.

- The FED operates in a vacuum.
- Conventional intermediate metals beat the interconnect difficulties.
- I'm not sure why TAB attach issues would be relevant to FED construction.

What materials do you think would be better suited for FED cathodes?

-bob mackey
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