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b.
Use your scissors to trim off the excess tape to within about a millimeter around the edge of
the disc (46,47).
46
3. Shield with copper tape:
a. Cut two pieces of copper tape about 2-
disc in a similar way as with the electrical tape (48,49). Once again, keep the tape only
one layer thick on the back of the disc.
b. Trim off some of the excess copper tape around the disc (50), but make sure to keep a fold
somewhere, to maintain a conductivity path all the way around the disc: the copper tape on
the front of the disc must be electrically connected to the copper tape on the back side of the
disc.
48
50
47
1
/
" long. Use one piece of copper tape to wrap the
4
49
19
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