Patent ID: 11878175
Assignee: COCHLEAR LIMITED
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. An apparatus, comprising:
a magnet comprising an outer magnet diameter;
a coil substantially surrounding the outer magnet diameter;
a substrate disposed above the coil; and
a shield material comprising a first shield portion at least partially disposed between the coil and the substrate, wherein the shield material further comprises an inner shield diameter that defines a shield opening, wherein the magnet is disposed within the shield opening such that no shield material is disposed between the magnet and the substrate, wherein the first shield portion has a shield width defined by a difference between an outer shield diameter and the inner shield diameter, the coil has a coil width defined by a difference between an outer coil diameter and an inner coil diameter, and wherein the shield width is greater than the coil width.