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SOLID STATE CAPACITORS AND METHODS OF MANUFACTURIN

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专利名称:SOLID STATE CAPACITORS AND METHODS

OF MANUFACTURING THEM

发明人:HUNTINGTON, David申请号:EP00976143.8申请日:20001115公开号:EP1230656A1公开日:20020814

摘要:The present invention relates to the field of solid state capacitors. The presentinvention seeks to provide improved capacitors and improved methods of manufacturingsuch capacitors. According to one aspect of the present invention there is provided amethod of manufacturing solid state capacitors comprising: providing an electricallyconducting substrate (109); forming a plurality of porous bodies (105) comprising valveaction material on a surface of the substrate, the bodies each having an upper surfacedistal to the substrate; forming an electrically insulating layer over the bodies; forming aconducting cathode layer over the insulating layer applied to the bodies; and dividing thesubstrate into capacitor portions, each portion comprising a body and a portion ofsubstrate, characterised in that an end region of each body portion distal from thesubstrate is provided with a platform (106) which is locally raised with respect to the restof the end region, the platform providing a cathode terminal site in the final capacitor,and the substrate portion providing an anode site.

申请人:AVX LIMITED

地址:Tantalum Division, Long Road Paignton,Devon TQ4 7ER GB

国籍:GB

代理机构:Brown, Fraser Gregory James

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