Polyimide as an Insulation Layer
Original Publication Date: 1983-Jan-01
Included in the Prior Art Database: 2005-Feb-06
The conductor metallurgy can be coated with a polyimide layer on thin film magnetic heads. The polyimide can be partially cured and coated with a photoresist to etch the polyimide layer. A photosensitive polyimide can be directly exposed, developed and cured to form the required patterns.