Invention Grant
US07956885B2 Lens array and line head 有权
镜头阵列和线头

Lens array and line head
Abstract:
A lens array includes: a light transmissive lens array substrate; a plurality of lenses disposed on the lens array substrate in a first direction; and a line-like mark formed on the lens array substrate in a second direction one of perpendicular and substantially perpendicular to the first direction.
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