Difference between revisions of "TGEM Mask Design"

Revision as of 22:23, 18 August 2009

Insert design PDF file and pictures describing the design with text.

The lines in the mask has the following dimensions:

An adjustment holes will be cut in circle of 2.5 mm in diameter as shown:

To have the final shape for the mask.

Please look at the following file for more details about the mask project.

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 Insert design PDF file and pictures describing the design with text.
-Coating U-238 or Th-232 is essential for neutron detection in the range 2-14 MeV, but THGEM contains holes that should be protected from any coating material. So, a mask is designed to cover these holes.
-The mask is made of stainless steel, 10 um laser tolerance with cut the plate to get the shape in the figure:
-[[Image: holes_covered_by_mask.jpeg | 300 px]]
 The lines in the mask has the following dimensions: