DocumentCode
3689827
Title
Cobalt compatible cleaning solutions for 14nm and beyond
Author
Kristell Courouble;Lucile Broussous;Stephane Zoll;Katia Haxaire;Maxime Mellier;Gael Druais
Author_Institution
STMicroelectronics, 850 rue Jean Monnet, F-38926 Crolles, France
fYear
2015
fDate
5/1/2015 12:00:00 AM
Firstpage
119
Lastpage
122
Abstract
In this paper, wet cleaning solution compatible with cobalt are investigated to achieve low Co etching rate on blankets film and no film attack on patterned 14nm wafer after line and via etching. Proposed solutions are compared to conventional wet cleaning solutions.
Keywords
"Cobalt","Cleaning","Etching","Copper","Films","Corrosion","Temperature measurement"
Publisher
ieee
Conference_Titel
Interconnect Technology Conference and 2015 IEEE Materials for Advanced Metallization Conference (IITC/MAM), 2015 IEEE International
ISSN
2380-632X
Electronic_ISBN
2380-6338
Type
conf
DOI
10.1109/IITC-MAM.2015.7325635
Filename
7325635
Link To Document