Furthermore, in the light source module based on an embodiment of the present invention, the surface on one side of the wiring board is made to be a device forming surface, and {HEAD ~ the surface} on the other side of the wiring board is made to be {TAIL ~ a heat radiating surface} 
is made to be
Furthermore , in the light source module based on an embodiment of the present invention , the surface on one side of the wiring board is made to be a device forming surface , and { HEAD ~ the surface } on the other side of the wiring board is made to be { TAIL ~ a heat radiating surface }
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