CORRECTION FILTER FOR ILLUMINANCE DISTRIBUTION,申请号JP19760149764-传众专利搜索

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发明名称	CORRECTION FILTER FOR ILLUMINANCE DISTRIBUTION
摘要	PURPOSE:To correct uneven illuminance distribution on the surface of the object to be illuminated, by inserting a filter between the light source and the object and controlling the transmission amount in accordance with the illuminance.
申请公布号	JPS5374379(A)	申请公布日期	1978.07.01
申请号	JP19760149764	申请日期	1976.12.15
申请人	FUJITSU LTD	发明人	IGARASHI KOUJI
分类号	H01L21/30;G03B27/00;G03B27/02;G03F7/20;H01L21/027;H01L21/302	主分类号	H01L21/30
代理机构		代理人
主权项
地址

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