编按：本文作者来自KLA-Tencor Overlay是IC制造中的关键参数之，其意义是当层与前层图案 (pattern)间对准的精准度 (图1)。 各层组件之间的电路链接，例如从晶体管到接触点到导电连接，都取决于各层pattern间的精确对准，且减少overlay误差对于提高产量和可靠性，并且确保组件符合性能规格而言非常重要。

Posted in HackIt Tagged firefox, greasemonkey, hackaday nostalgia, image overlay, javascript ← Halloween Props: Servo Eyes Head-mounted Computer With Linux, WiFi → ...

Overlay networks consist of a series of virtual or physical computers layered on top of an existing network. The purpose of the overlay network is to add missing functionality without a complete ...