| 摘要 |
1373051 Chromium oxide coating ULVAC CORP 19 May 1972 [24 May 1971] 23748/72 Heading C1A [Also in Divisions G2 and B6] Chromic oxide or metallic chromium is heated under an oxidizing atmosphere of O2 or an O2/N2 mixture at a pressure of 0À5 Î 10<-4> to 5 Î 10<-4> Torr and at an O2 partial pressure of 0À1 Î 10<-4> to 5 x 10<-4> Torr to generate a vapour which is deposited on a glass substrate, positioned within the atmosphere, to form a coating of non-stoichiometric chromium oxide. |
