Patent ID: 9177708
Filing Date: 2015-11-03
Classification: H01F,H01J,H05K

Abstract:
1. A magnet comprising: a metal core having a cavity therein; a plurality of conductive wire wraps disposed around the metal core to shape an ion beam produced by an ion source of an ion implant apparatus; and an annular core element configured to be received within the cavity, the annular core element configured to form an annular coolant fluid passage between the cavity and the annular core element, wherein the annular core element has an external coolant fluid opening, an internal coolant fluid opening disposed in a middle section, and an internal coolant fluid passage connecting the external coolant fluid opening and the internal coolant fluid opening, and wherein the external coolant fluid opening is a first external coolant fluid opening and the internal coolant fluid opening is a first internal coolant fluid opening, and the annular core has a second external coolant fluid opening, a second internal coolant fluid opening disposed in the middle section, and a second internal coolant fluid passage connecting the second external coolant fluid opening and the second internal coolant fluid opening.