The transmitting capacity and temperature rise of transcutaneous energy transmitting coils incorporating amorphous magnetic fibers are discussed. A magnetic core with a long, narrow shape (rather than a pot-core) is preferred for implantation inside the body. For the energy transmitting coils, the reduction in temperature rise is the most important problem. Copper loss is a dominant factor in the reduction of the temperature rise. When the diameter of the coils is halved, the copper loss increases fourfold and the temperature rise increases tenfold.
|Number of pages
|Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing
|Published - 1994 May 15