TGEM Mask Design: Difference between revisions
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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: | |||
[[Image: copper_foimask_lines_dismensions.jpeg | 300 px]] | |||
An adjustment holes will be cut in circle of 2.5 mm in diameter as shown: | |||
[[Image: adjustment_holes.jpeg | 300 px]] | |||
To have the final shape for the mask. | |||
[[Image: copper_foilmask_all.jpeg | 300 px]] | |||
Please look at the following file for more details for the manufacturer. | |||
[[File:mask_design_04mm_98C_120L_2.5mm_diameteradj_holes.pdf]] | |||
[http://wiki.iac.isu.edu/index.php/Neutron_TGEM_Detector_Abdel] [[Neutron_TGEM_Detector_Abdel]] | [http://wiki.iac.isu.edu/index.php/Neutron_TGEM_Detector_Abdel] [[Neutron_TGEM_Detector_Abdel]] | ||
Revision as of 17:48, 12 August 2009
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:
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 for the manufacturer.