X-ray or gamma ray systems or devices – Beam control – Collimator
Reexamination Certificate
2007-04-17
2007-04-17
Glick, Edward J. (Department: 2882)
X-ray or gamma ray systems or devices
Beam control
Collimator
C378S150000
Reexamination Certificate
active
11017182
ABSTRACT:
A collimator includes a pair of first plate members which define an X-ray passing aperture by a spacing between their opposed end faces, a second plate member which is movable in a direction parallel to a moving direction of the first plate members, a pair of third plate members which are movable symmetrically with each other in a direction perpendicular to the moving direction of the first plate member and which define an X-ray passing aperture by a spacing between their opposed end faces, and a fourth plate member which is movable in a direction parallel to the moving direction of the third plate members.
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Xiaodong Xu et al., Patent Application “Collimator, X-Ray Irradiator, And X-Ray Apparatus” filed Nov. 4, 2004, 17 pgs.
Xiaodong Xu
Zhao Yang
Armstrong Teasdale LLP
GE Medical Systems Global Technology Company LLC
Glick Edward J.
Horton Esq. Carl B.
Kao Chih-Cheng Glen
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