Invention Grant
US09383697B1 Lens, fixing device, and image forming apparatus 有权
透镜,固定装置和图像形成装置

Lens, fixing device, and image forming apparatus
Abstract:
Provided is a lens including a curved surface including a top portion at one end of the lens, wherein a groove is formed on the curved surface, and wherein light incident to the curved surface is concentrated on the other end of the lens.
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