A 90 nm Communication Technology Featuring SiGe HBT ...
A 90 nm Communication Technology Featuring SiGe HBT ...
A 90 nm Communication Technology Featuring SiGe HBT ...
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
<strong>SiGe</strong>:C <strong>HBT</strong> Architecture<br />
Extrinsic base implant<br />
2<br />
1<br />
Emitter poly<br />
B<br />
a.<br />
E<br />
<strong>SiGe</strong><br />
C<br />
Quasi-<br />
Self-aligned<br />
B<br />
b.<br />
1<br />
Replacement emitter<br />
pedestal<br />
Spacer<br />
Fully<br />
Self-aligned<br />
Quasi-self-aligned chosen as the better tradeoff<br />
between manufacturing complexity and performance<br />
IEDM 2002 17