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Specific Process Knowledge/Lithography/EBeamLithography/EBLProcessExamples: Difference between revisions

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The single shot approach is illustrated in the center and right parts of the figure below as there are two ways to go about this.  
The single shot approach is illustrated in the center and right parts of the figure below as there are two ways to go about this.  


*'''Big box approach''': This approach is illustrated in the center of the figure below. The mask is a single box of the desired size of the array. The beam is then pitched with the SHOT x, n command where n determines the beam pitch and hence the pitch of the resulting circles. The size of the resulting circles is determined by the dwell time.
*'''Single big box approach''': This approach is illustrated in the center of the figure below. The mask is a single box of the desired size of the array. The beam is then pitched with the SHOT x, n command where n determines the beam pitch and hence the pitch of the resulting circles. The size of the resulting circles is determined by the dwell time.


*'''Small box approach''': This is illustrated on the right side of the figure. In this approach each circle is represented by a small 2x2 nm box, hence the pattern is an array of these small boxes and the beam pitch is set higher than the size of the box to produce a single beam shot in each box. Again, the size of the resulting circles is determined by the dwell time.
*'''Array of small boxes approach''': This is illustrated on the right side of the figure. In this approach each circle is represented by a small 2x2 nm box, hence the pattern is an array of these small boxes and the beam pitch is set higher than the size of the box to produce a single beam shot in each box. Again, the size of the resulting circles is determined by the dwell time.


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