Patent ID: 9429852
Filing Date: 2016-08-30
CPC Classification: G02B,G03F

Claim Text:
1. A microlens exposure system comprising: a microlens array in which microlenses are arranged one-dimensionally or two-dimensionally; a mask in which transmission holes for laser light are provided to positions corresponding to the microlenses; a fixing part for fixing said microlens array and said mask in place a predetermined space apart, which are apart from each other; an inspection microlens provided to said microlens array and having the same shape as said microlenses: an inspection hole provided to said mask in a position corresponding to said inspection microlens; an inspection light radiation part for irradiating inspection light having a focal point position aligned with said inspection hole onto an exposure target substrate through said inspection hole and said inspection microlens, the inspection light radiation part being provided above said mask; and a microscope for observing an image of said inspection light on said substrate, the positions of said microlens array and said mask on the optical axis being adjusted so that the image observed through said microscope has an aligned focal point.