| 摘要 |
Improved orifice plates such as, fluid jet orifice plates, photoetching masks or the like, include a substrate of highly corrosion resistant metal and a layer of an amorphous metal alloy, such as, an amorphous nickel-phosphorus alloy or an amorphous cobalt phosphorus alloy, the alloy layer and substrate together defining a predetermined array of openings therein. |
