Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Patent
1995-10-17
1997-10-07
Phan, James
Optical: systems and elements
Deflection using a moving element
Using a periodically moving element
359850, 359855, 359871, 359900, G02B 2608, G02B 7182
Patent
active
056754302
ABSTRACT:
A blank is formed of a sintered alloy by sintering a mixture of powdered materials including powdered aluminum, and at least one of powdered silicon, powdered magnesium, and powdered chromium. This blank, being made of the sintered body, can be molded into a shape close to the final shape of a rotary polygon mirror. For example, a mirror surface can be molded into a desired shape in advance. Therefore, the final product of the rotary polygon mirror can be obtained with ease by subjecting the blank to a simple finishing process by cutting.
REFERENCES:
patent: 4826271 (1989-05-01), Takahashi et al.
Ishizuka Yutaka
Ohta Shinji
Kabushiki Kaisha Sankyo Seiki Seisakusho
Phan James
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