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	VCSEL pin sensor
	SCHELP, TREVOR T.; CHANDLER, RONALD W.; GUENTER, JAMES K.; STAPLETON, NORMAN B.
	2006-03-02
著作权人	HONEYWELL INTERNATIONAL INC.
专利号	US20060043278A1
国家	美国
文献子类	发明申请
其他题名	VCSEL pin sensor
英文摘要	A vertical cavity surface emitting laser (VCSEL) operable as a signal emitter and a silicon photodetector adapted for receiving light signals co-mounted in a common canister. Also containable is a four lead header and an isolating ceramic spacer. The canister can be electrically connected to a first lead from the header. The isolating ceramic spacer is adapted for mounting of the VCSEL above the level of the photodetector within the can. The VCSEL is electrically connectable to a second and third lead from the header and the photodetector is electrically connectable to the second and a fourth lead from the header. Co-packaging of a VCSEL and photodetector in common device canisters can yield about a 20:1 contrast ratio between an object's presence in front of the sensing system. A small pattern necessary for high accuracy is provided by the system and no barrier is necessary between the emitter and detector.
公开日期	2006-03-02
申请日期	2005-08-15
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/85423]
专题	半导体激光器专利数据库
作者单位	HONEYWELL INTERNATIONAL INC.
推荐引用方式 GB/T 7714	SCHELP, TREVOR T.,CHANDLER, RONALD W.,GUENTER, JAMES K.,et al. VCSEL pin sensor. US20060043278A1. 2006-03-02.

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