发明授权
US07400456B2 Lens having seamless profile defined by cubic polynomial function 有权
透镜具有由三次多项式函数定义的无缝轮廓

Lens having seamless profile defined by cubic polynomial function
摘要:
A lens includes a surface that includes a seamless profile. The seamless profile is defined by at least one cubic polynomial function to provide a filtering surface that produces a controlled amount of spherical aberration.
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