Patent ID: 11913109
Assignee: SPTS TECHNOLOGIES LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC C  H | IPC C  H

Claim 2:
3. An apparatus for controlling thickness variation in the material layer formed via pulsed DC physical vapour deposition, the apparatus comprising:
a chamber for housing a target from which the material layer is formed, and the substrate upon which the material layer is formable, the chamber comprising an inlet for introducing a gas into the chamber;
a plasma generating arrangement for generating a plasma within the chamber; and,
a voltage source for applying an RF bias voltage to the substrate;
wherein the apparatus further comprises a plasma localising magnetic field generating arrangement configured to generate a plasma localising magnetic field proximate the target for localising the plasma adjacent the target; and,
the magnet assembly according to claim 1.