Hard disk inspection apparatus

This invention describes a machine for inspecting hard disks for flaws. It holds a hard disk and illuminates its surface from multiple angles using a branched light guide, while a camera captures images of the reflected light. The claims specify a version that can inspect both sides of the disk and illuminate specific areas, including edges, with shaped light.

Why it matters: Since 2009, machine vision and AI-driven defect detection software have become far more sophisticated and accessible. This allows for more precise and automated identification of hard disk flaws, making the apparatus's multi-angle illumination more powerful.

Status: ExpiredProtection ended and was never renewed
How hard to build: ModerateCustom optics, precise disk handling, image processing

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