Original document(22 pages)  中文版
    An optical system for use in an inspection system is described. The optical system includes an imaging system which may be provided as a multi-spectral band pass image recording system and a lighting system which includes at least one coaxial light and at least one side light to provide spectral discrimination and to provide contrast between a first surface made from a first material and a second surface made from a second different material.
Application Number
申请号		 01810785 Application Date
申请日		 2001.06.22
Title 名称 Optical system
Publication Number
公开号		 1434919 Publication Date
公开日		 2003.08.06
Approval Pub. Date Granted Pub. Date
International Classification 分类号 G01N21/88;G01N21/956;G01R31/309
Applicant(s) Name
申请人		 Teradyne, Inc.
Address 地址
Inventor(s) Name 发明人 Peter E. Schmidt;Pamela R. Lipson;John C. Bowman
Attorney & Agent 代理人 guan zhaohui zhang tianshu
More information 更  多  信  息


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