{HEAD ~ This invention} relates to {TAIL ~ X ray collimator grids}, and, more particularly, to a method of fabricating a collimator grid containing a silicon crystal mono crystalline substrate and to a mono crystalline silicon X ray collimator grid formed thereby 
relates to
{ HEAD ~ This invention } relates to { TAIL ~ X ray collimator grids } , and , more particularly , to a method of fabricating a collimator grid containing a silicon crystal mono crystalline substrate and to a mono crystalline silicon X ray collimator grid formed thereby
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