JWST's gold-coated tertiary mirror
![](https://cdn.sci.esa.int/documents/34594/35357/1567214458064-JWST_telescope_tertiary_mirror_625.jpg)
Date: 22 June 2010
Satellite: JWST
Depicts: Flight tertiary mirror
Copyright: Ben Gallagher (Ball Aerospace) and Quantum Coating Incorporated
JWST's gold-coated flight tertiary mirror. Dan Patriarca, President of Quantum Coating Incorporated – the company that coated the JWST mirrors, is in the photo.
Last Update: 1 September 2019