DocumentCode
1114264
Title
Improved cutoff frequency in vertical bipolar transistors fabricated with focused ion beam lateral base profiles
Author
Yim, Hyung J. ; Greeneich, Edwin W.
Author_Institution
Motorola, Inc., Mesa, AZ
Volume
7
Issue
11
fYear
1986
fDate
11/1/1986 12:00:00 AM
Firstpage
621
Lastpage
622
Abstract
Improved high-frequency performance in vertical bipolar transistors in which the active base region is fabricated with focused ion beam (FIB) lateral doping profiles is demonstrated. Profiles which reduce base resistance, current crowding, and high-level injection effects have the most significant effect on high-frequency characteristics.
Keywords
Bipolar transistors; Boron; Current measurement; Cutoff frequency; Doping profiles; FETs; Implants; Ion beams; Proximity effect; Substrates;
fLanguage
English
Journal_Title
Electron Device Letters, IEEE
Publisher
ieee
ISSN
0741-3106
Type
jour
DOI
10.1109/EDL.1986.26495
Filename
1486318
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