发明名称 |
NIOBIUM POWDER AND SOLID ELECTROLYTIC CAPACITOR |
摘要 |
By adding a slight amount component to a niobium powder, the leakage current of a solid electrolytic capacitor is reduced and the capacitance thereof is improved, and thereby a solid electrolytic capacitor large in the capacitance and small dielectric loss tangent is manufactured. Specific resolution means are as follows. With a niobium powder that contains 1 ppm or more and 600 ppm or less of hydrogen; 1 ppm or more and 200 ppm or less of carbon; or 1 ppm or more and 50 ppm or less of nickel, and the balance substantially made of niobium as a raw material, a sintered body thereof is formed as an anode in a solid electrolytic capacitor 10. <IMAGE> |
申请公布号 |
EP1502680(A4) |
申请公布日期 |
2007.04.04 |
申请号 |
EP20030701817 |
申请日期 |
2003.01.21 |
申请人 |
KAWATETSU MINING CO., LTD. |
发明人 |
SATO, NOBUYUKI;EBATO, OSAMU;SAITO, KAN;KIRIHARA, TADASU |
分类号 |
B22F1/00;C22C1/04;C22C27/02;H01G9/052;(IPC1-7):B22F1/00;H01G9/042 |
主分类号 |
B22F1/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|