IMPO Gate Flats and Vestige

Ebook Topic:
IMPO Gate Flats and Vestige

Book: Field Guide to Molded Optics

Author(s): Michael Schaub, Alan Symmons

Published: 2016

https://doi.org/10.1117/3.2230581.ch94

Abstract

The gate on most plastic optics is on the edge of the element. When the part is ejected from the mold, it is still attached to the runner system. It is then cut from the runner/gate system in a process known as degating. This remaining plastic is called gate vestige.
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