Assertion: ray tube | /r/CapableOf | generate small focal spot sizes
Facets:
value: very
type: DEGREE
Source sentences:
text: Some X-ray examinations (such as, e.g., non-destructive testing and 3-D microtomography) need very high-resolution images and therefore require X-ray tubes that can generate very small focal spot sizes, typically below 50 μm in diameter.