A panel for an indicating instrument has a base plate. The base plate has a line pattern with lines. The line pattern is defined by projections and grooves. A desired metal-like appearance is converted into a glossiness ratio Gp/Gv. The projections and grooves are formed at intervals and have at least...http://www.google.ca/patents/US8065973?utm_source=gb-gplus-sharePatent US8065973 - Panel for indicating instrument, method of manufacturing the panel, and indicating instrument having the panel
