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Taken 13-Nov-15
Visitors 47

9 of 417 photos
Categories & Keywords

Subcategory Detail:
Keywords:4850 level, Majorana Cleanroom, Places
Photo Info

Dimensions5416 x 3611
Original file size1.47 MB
Image typeJPEG
Color spacesRGB
Date taken13-Nov-15 18:57
Date modified10-Feb-16 12:12
Shooting Conditions

Camera makeCanon
Camera modelCanon EOS 5D Mark III
Focal length14 mm
Max lens aperturef/2.8
Exposure1s at f/11
FlashNot fired, compulsory mode
Exposure bias0 EV
Exposure modeManual
Exposure prog.Manual
ISO speedISO 200
Metering modePattern
Inner Shield

Inner Shield

The inner copper shielding for the Majorana Demonstrator experiment is actually made of two layers of copper. The outermost layer is the purest copper that can be purchased commercially. The inner layer of copper is the purest in the world. I was "grown" by electroforming in a lab underground at Sanford Lab. Note the difference in color the commercial copper takes on a reflective orange color. The electroformed copper has a peach look to it.
Photo Credit: Matthew Kapust, Sanford Underground Research Facility
© South Dakota Science and Technology Authority