Contaminant inspecting device with multi-color light source

    公开(公告)号:US06549278B2

    公开(公告)日:2003-04-15

    申请号:US09991787

    申请日:2001-11-26

    申请人: Wen Nan Tseng

    发明人: Wen Nan Tseng

    IPC分类号: G01N2100

    CPC分类号: G01N21/8806 G01N21/94

    摘要: A contaminant inspecting device with multi-color light source comprises a support, a house mounted on the support, a transparent cover mounted on the house, a rotatable frame pivotally connected to the house, a plurality of varied color filters mounted on the frame, and a light source deposited within the house The light of the light source goes though the filter for transforming into a specific color light, and then the specific color light through the transparent cover is projected out of the house. The present invention further provides an inspecting method of the surface of the back light module using the multi-color light projected from the contaminant inspecting device with multi-color light source.