| 摘要 |
1342487 Electrical connection NIPPON ELECTRIC CO Ltd 23 Oct 1970 [25 Oct 1969 and 30 Oct 1969] 29026/73 Divided out of 1342486 Heading C7B [Also in division H1] A method of producing an electrically conducting path on a substrate comprises coating a conductive surface of the substrate with an insulating film, forming an opening in the film, depositing a film of an anodizable material over the insulating film, anodizing a selected area of the anodizable material to leave a plurality of electrically conductive paths of the anodizable material, the anodizing cement being supplied from the substrate through the opening to the film of anodizable material. The substrate may be a semi-conductor. The anodizable material may be Al, Ta, Nb, Ti. Specification 1342486 is referred to. |
