PTC devices
AssigneeNippon Mektron, Ltd.
InventorAtsushi Nagahori
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Abstract
A PTC device with a laminate having a PTC composition and at least two electrode plates having the PTC composition sandwiched therebetween, superposing, on the surface of each of the electrode plates of the laminate, a lead plate to be electrically connected to the electrode, joining the electrode plate and the lead plate by spot welding, and during or prior to the spot welding process, forming at least one through hole penetrating through the electrode plate and the lead plate in the center of a weld.
Claims6
A PTC device comprising at least two electrode plates, a PTC composition disposed between and electrically connected to the electrode plates, and a lead plate joined to the surface of each of the electrode plates, wherein said PTC device has at least one through hole penetrating through at least one of said electrode plate and corresponding lead plate.
Dependencies are inferred from the claim text.