This image is from a test of our plasma etcher, and shows a white plain of
semiconductor laser material etched partially away by plasma. In the background
is the black remains of photoresist that was protecting other areas of
semiconductor from being etched - it did the job, but took
![(Untitled)](/content/images/size/w795/f528446a73c32e4beb8543668303b51f/tumblr_mwhaa7MTSB1spzrmao1_1280.jpg)