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.
Schematic chart showing the initial content of the dMLC ASCII file (left) and the first two subfields using the Shaper™ (Varian). The MLC starts with the maximum opening, then closes and continues to the subsequent small‐gap subfield. Arrows indicate direction of motion.
