# Silver Target in XPS Spectrometer

- By: MichaelBueker
- Date: 2010-03-01
- Classification: Photograph
- Museum: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Silver_Target_in_XPS_Spectrometer.jpg)
- Rights: [CC BY-SA 3.0](https://creativecommons.org/licenses/by-sa/3.0)
- Picture: https://invisiblenetwork.ai/thumbs/commons/thumb/a/a0/Silver_Target_in_XPS_Spectrometer.jpg/1920px-Silver_Target_in_XPS_Spectrometer.jpg
- Who can see it: Teens profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)

A silver target on a copper mount inside an XPS spectrometer under Ultra high vacuum conditions of about 6·10-8 mbar pressure, being irradiated from a water-cooled Aluminum/Magnesium X-Ray gun. This image was taken through one of the windows of this XPS spectrometer.