IGNITION DEVICE, GAS GENERATION DEVICE FOR AIRBAG, AND GAS GENERATION DEVICE FOR SEATBELT PRETENSIONER

摘要

An ignition device that has high ability of shielding against electromagnetic wave noise etc., that is compact in size, and where electricity conduction to an electric circuit integrated in the device is reliable. The ignition device has a metal cup body and a metal closure plug for holding electrode pins in an insulating manner and closing the opening of the cup body in an integrated manner. Ignition powder, an ASIC, a capacitor, and a heating element are contained in the cup body. The ASIC is electrically connected to the electrode pins, the capacitor, and the heating element. The heating element is in contact with the ignition powder. A metal flange for fixing the closure plug to an installation body of the ignition body is provided at an outer peripheral section of the closure plug.