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Glass Ferrite Sandwich Recording Head Disclosure Number: IPCOM000069245D
Original Publication Date: 1978-Apr-01
Included in the Prior Art Database: 2005-Feb-20

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Farran, J [+details]


Recording heads fabricated by sandwiching a thin slice of ferrite between two glass sides are shown in the figures. In each case, the ferrite consists of a C-shaped leg 1 and a plain rectangular leg 2 assembled to define a transducing gap 3. The ferrite is sufficiently thin to permit white light interference fringes, generated as a measure of the flying height over a record medium, to be observed through the glass.