Correlated Magnetics: Basics

Conventional Magnets have a North (positive) polarity side and a South (negative) polarity side. Fig. 1 shows the magnetic field scan of the positive side of a conventional magnet. Though not shown, the negative side of the magnet is substantially the same except with negative field strength.

Figure 1. Magnetic Field Scan of a 3/4″ x 3/4″ x 1/8″ NIB#42 Conventional Magnet

Recent pioneering innovations involving magnetic structures having designs based on signal correlation and coding theory enable magnetic forces to be precisely controlled to achieve desired alignment, coupling force, and release force characteristics, and to produce unique magnetic identities to control how these magnetic structures interact.    These new structures are referred to as Correlated Magnets and coded magnets.   Coded magnets are programmed so that they have multiple polarities that correspond to magnetic identities that determine how they interact with other correlated magnets.  Fig. 2 depicts a magnetic field scan of a coded magnet programmed using Code A. 

Fig. 2. Magnetic Field Scan of a 3/4” x 3/4” x 1/8””NIB#42 Coded Magnet Programmed Using Code A

Fig. 3 depicts magnetic field scans of a Code Magnet programmed using Code A’, which is complementary to Code A.

Fig. 3. Magnetic Field Scan of a 3/4” x 3/4” x 1/8””NIB#42 Coded Magnet Programmed Using Code A’

Coded magnets having complementary coding have one spatial alignment where each magnetic source, or maxel, of each magnet is aligned with a complementary magnetic source from the other magnet.  When complementary coded magnets are aligned, all the maxel pairs produce a peak attractive force.  For all other translational or rotational alignments, the maxels cancel each other out.    The forces produced between two complementary coded magnets vary based on their spatial alignment.  Contour and surface plots of the spatial force function of the two coded magnets shown above is depicted in Fig. 4.