| 摘要 |
1,086,754. Forming metal foil. VARIAN ASSOCIATES. Feb. 9, 1965 [Feb. 28, 1964], No. 5618/65. Heading B6J. A method of forming thin metal foil into wrinkle-free predetermined shape comprises securing to either side of metal foil 11 a layer 12 of a second metal, forming the assembly 13 between dies 14, 15 into an article shown in Fig. 5, removing the end portions mechanically to form the article of Fig. 6, and etching to remove the second metal, leaving the article of Fig. 8. |
