Dupont951 substrate and why we go for it?

Can anyone say me why we use dupont951 substrate and why do we do for this specifically for fabrication.
wats the advantage or significance of this substrate?

It is LTCC material for multi-layer ceramic modules.
If you are not familiar with LTCC, this material is not of interest to you.

Low temperature co-fired ceramic - Wikipedia, the free encyclopedia

thanku sir and is LTCC technique being followed in most areas of RF?

Have you seen my link?

What is LTCC?
Passive integration with LTCC technology - EPCOS AG
Welcome to LTCC

thanku sir...i really got to know wat LTCC is....