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.
| material/process | bulk | isotropic etched | anisotropic etched |
|---|---|---|---|
| polycarbonate (PC) | flat | crater | flat |
| polyimide (PI) | flat | popcorn | popcorn |
| perfluoroalkoxy alkane (PFA) | flat | tent | popcorn |
| polyethylene (PE) | flat | crater | popcorn |
| acrylonitrile butadiene styrene (ABS) | flat | crater | crater |
| acetal polyoxymethylene (POM) | flat | popcorn | popcorn |
| polyethyleneterephhalate (PET) | flat | grass | popcorn |
