The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 16, 1986
Filed:
Jan. 11, 1984
Lars Botvidsson, Jaerfaella, SE;
Konrad Mund, Uttenreuth, DE;
Siemens Aktiengesellschaft, Berlin & Munich, DE;
Abstract
In order to improve the mechanical properties in the area of the passive electrode given bipolar electrodes, the active region of the passive electrode exhibits a surface layer that has a high double layer capacitance at the phase boundary with the body fluids. The size of the passive electrode can be considerably reduced as a result. Particularly suitable as the surface layer is a porous layer consisting of a carbide, nitride or carbonitride of at least one of the metals titanium, vanadium, zirconium, niobium, molybdenum, hafnium, tantalum or tungsten. A layer of activated carbon with a surface having a porous microstructure or, in the simplest case, a roughened surface are also suitable.