DESIGN OF THIN-FILM TAPE HEADS

In this paper tools to handle the magnetostatic aspects of thin-film t ape head design are reviewed. Some illustrative results from transmiss ion-line calculations on inductive write heads and yoke-type magnetore sistive read heads are shown. New is the application to nonlinear satu ration effects in write heads. The design of an emboss head for writin g servo tracks on tape is described. Finally, a new type of read head is discussed that utilizes anisotropy of the permeability instead of s tructuring of the fluxguides for obtaining very small track widths.