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	Method and device for adjusting a multi-beam source unit, method for assembling the multi-beam source unit, and image forming apparatus using the multi-beam source unit
	OKUWAKI, HIROYUKI; KAWAZOE, OSAMU; NAOE, YASUHIRO
	2001-09-06
著作权人	RICOH COMPANY, LTD.
专利号	US20010019564A1
国家	美国
文献子类	发明申请
其他题名	Method and device for adjusting a multi-beam source unit, method for assembling the multi-beam source unit, and image forming apparatus using the multi-beam source unit
英文摘要	A multi-beam source unit adjusting method is disclosed wherein an arrangement direction of light emitting points of a multi-beam laser diode relative to a horizontal scanning direction of a scanning optical system can be aligned with a predetermined standard design line direction. The multi-beam source unit is provided with a multi-beam laser diode (31) capable of emitting multi-laser beams from plural light emitting points, the multi-beam laser diode (31) having a stem (31B) formed with a cutout portion (46), and a collimator lens (33) for collimating the multi-laser beams, the multi-beam source unit being designed so as to be set to a scanning optical system on the assumption that the plural light emitting points are arranged in the direction of a predetermined standard design line when they are present on a virtual straight line defined by the said cutout portion (46), the method comprising measuring an arranged state of the light emitting points with respect to the standard design line on the basis of beam spots on an image surface corresponding to an image recording surface and rotating the multi-beam laser diode (31) about an optical axis of the scanning optical system to align the arrangement direction of the light emitting points with the direction of the standard design line.
公开日期	2001-09-06
申请日期	2000-12-08
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/60556]
专题	半导体激光器专利数据库
作者单位	RICOH COMPANY, LTD.
推荐引用方式 GB/T 7714	OKUWAKI, HIROYUKI,KAWAZOE, OSAMU,NAOE, YASUHIRO. Method and device for adjusting a multi-beam source unit, method for assembling the multi-beam source unit, and image forming apparatus using the multi-beam source unit. US20010019564A1. 2001-09-06.

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