Part carrier

The utility model relates to a part carrier (100, 300), include: at least one electric insulation layer structure (110), a conducting structure (120), a conducting structure (120) lie in in the first face of at least one electric insulation layer structure (110), the 2nd conducting structure (130), the 2nd conducting structure (130) lie in in the second face of at least one electric insulation layer structure (110), wherein be in at least one electric insulation layer structure (110) on the face, a conducting structure with the 2nd conducting structure (130) are separated mutually and are lighter than or equal 250um, especially are lighter than or equal 180um's distance, first surface course (140), first surface course (140) optionally be located on a conducting structure (120), second surface course (150) are different from first surface course (140), second surface course (150) optionally be located on the 2nd conducting structure (130). 本实用新型涉及种部件载体(100、300)，包括：至少个电绝缘层结构(110)；第导电结构(120)，所述第导电结构(120)位于所述至少个