例文
- Those familiar with such devices can often make qualitative assessments as to the hardness or quality of the vacuum within by the appearance of the flash getter deposit, a shiny deposit indicating a good vacuum.
- Those unfamiliar with sealed vacuum devices, such as vacuum tubes / thermionic valves, high pressure sodium lamps or some types of metal-halide lamps, are often mistaken into thinking the flash getter deposit is caused as a result of the failure of the device.
