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.
Cross-sectional micrographs of the microchannel observed by (a) optical microscope; and (b) scanning electron microscope (SEM). The dotted boxes in the SEM micrograph indicate the contact region. The bonding temperature and bonding pressure are 95 °C and 2 MPa, respectively.
