Illuminating system of step scanning projection mask aligner
A step-scanning and lighting system technology, applied in the field of lighting systems, can solve problems such as small size of micro-slits, and achieve the effects of reducing processing difficulty, being easy to implement, and improving uniformity
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[0022] The present invention will be further described below in conjunction with the embodiments and accompanying drawings, but the protection scope of the present invention should not be limited thereby.
[0023] see first figure 1 , figure 1 It is a structural schematic diagram of the illumination system of the step-and-scan projection lithography machine of the present invention. It can be seen from the figure that the illumination system of the step-and-scan projection lithography machine of the present invention includes a light source 1, a pupil shaping unit 2, a field of view defining unit 3, a first lens array 41, a first slit array 51, and a second lens array 42 , the third lens array 43, the second slit array 52, the fourth lens array 44, the condenser lens 6 and the scanning drive unit 8, and its positional relationship is: the light emitted by the light source 1 passes through the pupil shaping unit 2 and the field of view defining unit successively 3. After the ...
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