The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 14, 1999
Filed:
Jun. 09, 1997
Applicant:
Inventors:
Michael Scott Carroll, Orlando, FL (US);
Samir Chaudhry, Orlando, FL (US);
Alan Sangone Chen, Windermere, FL (US);
Yih-Feng Chyan, Orlando, FL (US);
Kuo-Hua Lee, Orlando, FL (US);
William John Nagy, Orlando, PA (US);
Assignee:
Lucent Technologies Inc., Murray Hill, NJ (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
438364 ; 438202 ; 438234 ; 438369 ; 438527 ; 148D / ; 148D / ; 148D / ; 257370 ; 257588 ;
Abstract
A bipolar fabrication process, illustratively suited for integration into a conventional CMOS process to thereby form a BiCMOS integrated circuits is disclosed. The collector and base are formed through multiple implants and a single masking step to thereby provide a continuous low resistance collector region.