COIL DEVICE

Abstract: a coil device includes a core having a central pillar and two rims located on two sides of the central pillar; a first conductor disposed in an interior of the core and including a first body portion and two first mounting portions that are respectively formed on two sides of the first body portion, lengths of the first mounting portions being greater than or equal to widths of the rims to allow the two first mounting portions to each expose outside of the core; a second conductor disposed in an interior of the first conductor and including a second body portion and two second mounting portions that respectively formed on two sides of the second body portion, the second conductor including a retention portion in retaining engagement with the central pillar; and an insulation layer arranged between the first conductor and the second conductor.

Inventor(s): Ming-Yen Hsieh, Pao-Lin Shen, Hsiang-Chung Yang, Jian-Hong Lai, Kuan-Yi Lu

CPC Classification: H01F27/28 (MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES (ceramics based on ferrites ; alloys {; construction of loading coils }; loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers ; thermomagnetic devices ))

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