A projection is not a three-dimensional joint verdictConceptual BGA X-ray projection beside a joint section. The pale areas illustrate void-like contrast; they are not measured defects or a pass/fail criterion.A projection is not a three-dimensional joint verdict2D projectionSection / angled reviewOverlapping structures share one image.Geometry and method change visibility.³Ô¹Ïtv · Engineering illustration · Not an inspection record