Use of Az-Type Photoresist as Insulation in Multiturn Thin Film Recording Heads
Original Publication Date: 1980-Nov-01
Included in the Prior Art Database: 2005-Feb-14
In thin film multi-turn recording heads of vertical and horizontal configuration, a spiral electrical conductor coil runs between the two legs of the magnetic yoke. The coil has to be insulated from the yoke with a pore-free, low dielectric constant material.