US Patent 7773278 Reflective optical scanning system having minimized aberration

Patent 7773278 was granted and assigned to National Taiwan University on August, 2010 by the United States Patent and Trademark Office.

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Patent

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Current Assignee

National Taiwan University

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

77732780

Patent Inventor Names

Shi-Wei Chu0

Jiun-Yann Yu0

Date of Patent

August 10, 2010

Patent Application Number

124830260

Date Filed

June 11, 2009

Patent Primary Examiner

‌

James Phan

Patent abstract

The present invention is a scanning system having spherical mirrors to operate a two-dimensional scanning. Aberration owing to oblique incident light is compensated to reach diffraction limit. With proper metallic coating, the present invention uses a wavelength from ultra-violet light to tera-hertz wavelength

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