Physics Ch 12

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Across
  1. 1. What shape is the image for a vector array
  2. 5. What kind of slices are best for imaging
  3. 6. What kind of steering do mechanical and annular phased array transducers have
  4. 9. Mechnical and annular transducers have PZTs of what shape
  5. 10. Another term for slice thickness
  6. 11. Crystal is divided into a group of smaller crystals called sub-elements
  7. 14. What shape is the image with a convex array transducer
  8. 15. Combination of linear sequential and linear array
  9. 16. What shape is the image for mechanical, phased array, and annular phased transducers
Down
  1. 2. Electrical spike voltages are altered to reduce strength of lobes
  2. 3. This is measured perpendicular to the imaging plane
  3. 4. What shape crystals produce the thinnest and best elevational resolution in the focal zone
  4. 7. What kind of beams are best for imaging
  5. 8. Can be changed to optimize lateral resolution
  6. 10. What kind of steering and focusing does every transducer have besides Mechanical and annular phased
  7. 12. This uses a 2D array with thousands of elements arranged in a checkerboard pattern
  8. 13. Single element transducers create _____ shaped sound beams