| 摘要 |
<p>The invention concerns a process for etching nickel structures or surfaces, in particular perforations in nickel sheet, which can be used for example to manufacture nickel etching molds for printing heads of an ink-jet printer. The etching material used is a highly concentrated iron (III) chloride etching solution without the addition of acids. The invention also concerns a printing head for ink-jet printers.</p> |
