The examination of photocopy documents

摘要: Abstract This paper discusses, with reference to specific case investigations, the various techniques available for solution of these problems. These include some very simple which are in everyday use by forensic scientists, example trained and informed visual low power microscopic examination documents. They also application frequently used science laboratories, energy dispersive spectrometry (using a scanning electron microscope) infra red spectroscopy, but rarely applied document examination. Also involved well developed within particular fields — detailed analysis fibres rarely, if at all, science.