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.
Calibration test for laser welding of PAPE bilayer. (a) PAPE roll as supplied by the factory. (b) Plus shape as designed using Adobe Illustrator. (c) Plus shape laser-welded on PAPE in different power settings. (d) Microscopic examination of the effect of different power settings on the welding quality and film heat deformation. (e) The maximum load was tested using an Instron testing machine. (f) Before and after maximum load while testing on an Instron testing machine.
