Contactless optical writing apparatus

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	Contactless optical writing apparatus
其他题名	Contactless optical writing apparatus
	MURAKAMI, KAZUNORI; OHTAKA, YOSHIMITSU; TAMURA, TOSHIYUKI; HIYOSHI, TAKAYUKI; MOCHIDA, YASUHIKO; YASUI, YUJI
	2008-05-29
专利权人	TOSHIBA TEC KABUSHIKI KAISHA
公开日期	2008-05-29
授权国家	美国
专利类型	发明申请
摘要	A single mode laser beam output from a single mode semiconductor laser and a multimode laser beam output from a multimode semiconductor laser are combined with each other by a polarization beam splitter, the combined laser beam is used by a deflection scanning mechanism to perform main scanning, and an image of the combined laser beam is formed on a surface of a thermal recording medium by a scanning lens.
其他摘要	从单模半导体激光器输出的单模激光束和从多模半导体激光器输出的多模激光束通过偏振分束器相互组合，组合激光束由偏转扫描机构用于执行主扫描，并且，通过扫描透镜在热敏记录介质的表面上形成组合激光束的图像。
主权项	A contactless optical writing apparatus comprising: a first semiconductor laser for outputting a first semiconductor laser beam; a first condensing lens for condensing the first semiconductor laser beam; a second semiconductor laser for outputting a second semiconductor laser beam; a second condensing lens for condensing the second semiconductor laser beam; a laser beam combining element for combining the first semiconductor laser beam condensed by the first condensing lens and the second semiconductor laser beam condensed by the second condensing lens with each other, and outputting the combined semiconductor laser beam; and a deflection scanning mechanism for scanning a surface of a thermal recording medium which when heated to a color development temperature higher than the normal temperature, develops a color, and when heated to a color disappearance temperature lower than the color development temperature while the thermal recording medium is kept in a color development state at the normal temperature, disappears the color by using the combined semiconductor laser beam output from the laser beam combining element, wherein the first semiconductor laser has a junction plane of active layers for outputting the first semiconductor laser beam, the second semiconductor laser has a junction plane of active layers for outputting the second semiconductor laser beam, a junction plane direction of the first semiconductor laser and a junction plane direction of the second semiconductor laser are perpendicular to or parallel to a direction of the scanning performed by the deflection scanning mechanism by using the combined semiconductor laser beam, the first semiconductor laser beam has one of output power capable of heating the thermal recording medium to a temperature equal to or lower than the color disappearance temperature by irradiating the thermal recording medium therewith and output power capable of heating the thermal recording medium up to the color disappearance temperature, the second semiconductor laser beam has one of output power capable of heating the thermal recording medium up to the color disappearance temperature by irradiating the thermal recording medium therewith and output power capable of heating the thermal recording medium to a temperature equal to or lower than the color disappearance temperature, and the apparatus has output power capable of heating the thermal recording medium up to the color development temperature by combining the first semiconductor laser beam and the second semiconductor laser beam into a combined semiconductor laser beam and irradiating the thermal recording medium with the combined semiconductor laser beam.
申请日期	2007-11-27
专利号	US20080123509A1
专利状态	失效
申请号	US11/986856
公开（公告）号	US20080123509A1
IPC 分类号	G11B7/00
专利代理人	-
代理机构	-
文献类型	专利
条目标识符	http://ir.opt.ac.cn/handle/181661/58179
专题	半导体激光器专利数据库
作者单位	TOSHIBA TEC KABUSHIKI KAISHA
推荐引用方式 GB/T 7714	MURAKAMI, KAZUNORI,OHTAKA, YOSHIMITSU,TAMURA, TOSHIYUKI,et al. Contactless optical writing apparatus. US20080123509A1[P]. 2008-05-29.