Patent ID: 11920458
Assignee: nan
Field: Civil engineering (Other fields)
Classification: CPC E  G | IPC E  G

Claim 10:
11. A well bore system comprising:
a drill string comprising,
a drill bit to drill a borehole; and
a bottom hole assembly positioned above the drill bit, the bottom hole assembly having a downhole tool, wherein the downhole tool comprises,
a collar;
an electromagnetic radiation detector positioned within the collar, the electromagnetic radiation detector to detect electromagnetic radiation from a geological formation into which the borehole is formed where the downhole tool is to be positioned;
a cover in an opening of the collar and positioned between the electromagnetic radiation detector and the geological formation, wherein a window is positioned in the cover;
a window cap for the window, the window cap comprising a material capable of allowing electromagnetic radiation transmission therethrough; and
a window core positioned behind the window cap relative to an external environment of the downhole tool, wherein the window core is positioned between the window cap and the electromagnetic radiation detector.