Difference between revisions of "TGEM Mask Design"
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| − | The 0.4 mm wide lines in the mask will cover the TGEM holes to prevent filling in the holes with either paste or sputtering material. The lines | + | The 0.4 mm wide lines in the mask will cover the TGEM holes to prevent filling in the holes with either paste or sputtering material. The center-to-center distance between lines 0.46 mm. |
[[Image: copper_foimask_lines_dismensions.jpeg | 300 px]] | [[Image: copper_foimask_lines_dismensions.jpeg | 300 px]] | ||
Revision as of 18:52, 23 August 2009
The figure below shows the basic size of a mask for the TGEM preamps. The 2.5 mm diameter holes are for alignment.
The 0.4 mm wide lines in the mask will cover the TGEM holes to prevent filling in the holes with either paste or sputtering material. The center-to-center distance between lines 0.46 mm.
An adjustment holes will be cut in circle of 2.5 mm in diameter as shown:
Please look at the following file for more details about the mask project.
File:Mask design 04mm 98C 120L 2.5mm diameter adj holes.pdf