the magnetic material being applied in the form of particles, e.g. by serigraphy (H01F41/18 take precedence)

Full Title

Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties > for applying magnetic films to substrates > the magnetic material being applied in the form of particles, e.g. by serigraphy (H01F41/18 take precedence)