Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Microscope images (832×) of Si-face SiC processed by the designed comparative experiments: (a) conventional lapping; (b) conventional CMP after conventional lapping(C-c); (c) ultrasonic CMP after conventional lapping (C-u); (d) ultrasonic lapping; (e) conventional CMP after ultrasonic lapping (U-c); (f) ultrasonic CMP after ultrasonic lapping (U-u).
