{{ /diagonally-cut_laminations_patent.png?350 }} A drawing extracted from a US patent[([[http://www.google.co.uk/patents/US4445104|Kou C. Lin, Charles E. Burkhardt, Compact step-lap magnetic core, US Patent US4445104, 1980]])], showing that the trasnformer core [[/lamination|laminations]] can be cut at various angles, and that the resulting [[/air gap|air gaps]] are [[/distributed air gap|distributed]]. ~~REFNOTES~~ ---- You can use this image freely, but you must give the following credits: \\ \\ United States Patent and Trademark Office, Public Domain. // Patents are published as part of the terms of granting the patent to the inventor. Subject to limited exceptions reflected in 37 CFR 1.71(d) & (e) and 1.84(s), the text and drawings of a patent are typically not subject to copyright restrictions. Copyright law (17 U.S.C. § 105) states that all materials created by the United States government are in the public domain. However, there are restrictions of use. Anyone incorporating a work of the U.S. Government into a copyrighted work should be aware of 17 U.S.C. § 403. This section requires a copyright notice to contain a statement identifying what portions of the work consist of a work of the U.S.Government. Failure to do so could result in loss of copyright protection for the entire work. // {{tag>Files Laminations Transformer_cores Air_gap}}