. . . " layer, which has a melting point of not greater than 1,000??? C. and consists mainly of at least one selected...http://www.google.com/patents/US6783867?utm_source=gb-gplus-sharePatent US6783867 - High melting point metallizing layer, which consists mainly of a high melting point metal such as w and/or mo, and an intervening metal layer, which has a melting point of not greater than 1,000 degrees" .