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To: dwayanu who wrote (17775)2/12/2000 2:05:00 AM
From: FLSTF97  Read Replies (1) | Respond to of 54805
 
CREE Market Scope

Fatboy, do I understand correctly, that SiC is advantageous for discrete power components like LEDs, small lasers, and lights, but is not useful for what many people think of as 'chips', like processors, memory, ASICs, etc ?

SiC won't be used for the chip applications you mention unless they require high frequencies, high temperatures, or high power. This is actually part of the discontinuous nature of SiC: it enables one to make these types of chips for applications that would have been impossible for either Si or GaAs.

FATBOY



To: dwayanu who wrote (17775)2/12/2000 7:18:00 AM
From: Robert Jacobs  Read Replies (2) | Respond to of 54805
 
Cree, Sic and other applications: Neal Hunter ceo has stated that SiC is suitable for solid state memory but that the other applications such as LED, microwave trans, power conversion etc offer a much greater return at present.

Cree has 525 emp with 125 in R/D...they are working on products years out...not a bad ratio considering they run at 25% NET margins!

Hunter has stated that SiC has no compelling advantage over Si when it comes to "chips" as we know it eg processors etc.

Fatboy is right about the enabling aspect of SiC...there are applications that SiC makes possible...such as a chip sensor right in the cylindar of an engine to read the temp, fuel mix etc for finer fuel management. Sic can conduct while glowing red hot..Si melts. They are back to working on such sensors for jet engines...a project that they thought years ago would be their first product before the LED market potential became apparant.