The image shows one of the most common types of the Halbach magnetic array, maximizing strength on one side (bottom) and nearly canceling on the other (top), typically five magnets are used but four can also be used (omitting the last one, top left <-), it doesn't really matter what side you start with but the arrow is usually addressed as: N <- SBasically the design has -> V <- concentrating downwards,
moving towards the top left we have a <- concentrating to
the ^ which concentrates to the -> to the right. |
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