Browse Prior Art Database

LOW MASS REPLICATED MIRRORS FOR SCAN SYSTEMS

IP.com Disclosure Number: IPCOM000024366D
Original Publication Date: 1980-Jun-30
Included in the Prior Art Database: 2004-Apr-02
Document File: 2 page(s) / 43K

Publishing Venue

Xerox Disclosure Journal

Abstract

In scanning systems used for optical imaging which contain mirrors and are subject to mechanical accelerations, such as those at "start of scan" and other departures from uniform motion, the natural vibration of the mirrors leads to the production of image defects.

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XEROX DISCLOSURE JOURNAL

LOW MASS REPLICATED MIRRORS Proposed FOR SCAN SYSTEMS Classification

US. C1. 355/8

Int. GI. G03g 15/28

In scanning systems used for optical imaging which contain mirrors and are subject to mechanical accelerations, such as those at "start of scan" and other departures from uniform motion, the natural vibration of the mirrors leads to the production of image defects.

These problems can be minimized by replacing glass-base mirrors with low mass replicated mirrors. An example of such a mirror has an aluminum substrate whose internal damping coefficient is higher than that of glass. Thus, any oscillation of the mirror damps out faster than a glass mirror and the natural frequency is higher. Consequently, mirror oscillations excited by mechanical impulses will terminate in a minimum amount of time.

Volume 5 Number 3 May/June 1980 275

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XEROX 276 DISCLOSURE JOURNAL

Volume 5 Number 3 May/June 1980

[This page contains 1 picture or other non-text object]