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Etching Ferrite Cores

IP.com Disclosure Number: IPCOM000045697D
Original Publication Date: 1983-Apr-01
Included in the Prior Art Database: 2005-Feb-07

Publishing Venue


Related People

Collins, GC Youlton, HG [+details]


Magnetic cores for transducing heads made of manganese/zinc ferrite pole pieces defining a glass-filled transducing gap may be etched in hydrofluoric acid without excessive etching of the glass. The etching process reveals the ferrite grain structure to promote adhesion of a subsequent overcoating.