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US 12,281,885 B2Granted
Igniter for passenger protection devices and method for producing same
AssigneeSchott AG
InventorsThomas Pfeiffer, Stanislav Relich, Michal Chromec
Life of this patent
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Abstract
An igniter of a passenger protection device has at least one metal pin for contacting the tripping unit of the passenger protection device. The metal pin has a contact end that can be coupled to the tripping unit. The metal pin has a gold coating with a layer thickness. A maximum layer thickness is present at a distance of at least 1 mm from the contact end.
Claims15
An igniter of a passenger protection device, the igniter comprising:
- a round, metal pin extending along a length thereof toward a contact end,
- wherein the contact end is not flat;
- a gold coating on a section along the length and about a circumference of the metal pin,
- a plateau region of the gold coating having a maximum thickness between 0.20 μm and 0.80 μm,
- wherein the maximum thickness varies by at most 40% of the maximum thickness,
- wherein the plateau region has a length between 2 mm and 6 mm and is located at least 1 mm from the contact end,
- wherein the gold coating has a thickness that increases, in a direction from the contact end towards the plateau region, by a slope of 0.1 to 0.3 μm per mm, and
- wherein the plateau region is configured to be electrically contacted.
5 more elements
Dependencies are inferred from the claim text.