| 20110273810 | SURGE ARRESTER - A surge arrester, comprising: a resistor body, including a ceramic core and a conductive film, the conductive film being deposited to enclose the ceramic core entirely; two caps, each enclosing one end of the resistor body; an opening, being cut in the middle part of the resistor body to separate the surface of the resistor body into two portions; a porous layer, filled in the opening; and an insulating layer, being coated to protect the porous layer, and the resister body. | 11-10-2011 |
