| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a test device for accurately testing whether or not there is any foreign substance in a cover insulation layer and a method for manufacturing a wiring circuit board. <P>SOLUTION: In a test device 1 provided with a light source unit 2 for emitting incidence light 31 incident to a cover insulation layer and a camera unit 3 for receiving reflecting light 32 in which the incidence light 31 is reflected on the surface of the cover insulation layer, the light source unit 2 is provided with a circular first light emitting part 6 for emitting the incidence light 31 so that an angle between itself and the surface of a base insulation layer is 25° or less, and a circular second light emitting part 7 for emitting the incidence light 31 so that an angle between itself and the surface of the base insulation layer ranges from 35 to 65°. The test device 1 is used to test whether or not there is any foreign substance in the cover insulation layer. <P>COPYRIGHT: (C)2012,JPO&INPIT |
