H - Electricity – 01 – L
Patent
H - Electricity
01
L
356/23, 352/8
H01L 29/12 (2006.01)
Patent
CA 1200611
ABSTRACT A current restriction device responsive to an applied electric field comprising a ferro-electric poly-crystalline ceramic with a main component of barium-titanate (BaTiO3). The device has an impedance ratio (Z2/z1) of less than 1/10, wherain Z2 is the impedance of the device measured with an alternating electric field lower than 500 volts/mm, and Z1 is the impedance of the device measured with an alternating electric field of 5 volts/mm. The device improves over prior art devices in its lower cost, smaller size and lower power loss during operation.
407284
Abe Hisao
Iwaya Shoichi
Masujima Sho
Masumura Hitoshi
Sakamoto Norimasa
Borden Ladner Gervais Llp
Tdk Electronics Co. Ltd.
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