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US 7,604,871 B2Granted
Electrical components including abrasive powder coatings for inhibiting tin whisker growth
AssigneeHoneywell International Inc.
InventorsMerrill Jackson, David Humphrey
Life of this patent
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Abstract
An electrical component includes a conductive substrate, a tin layer formed on the substrate, and a barrier coating formed on the tin layer to impede tin whisker growth. The barrier coating includes a polymer matrix, and abrasive particles that are dispersed about the matrix.
Claims11
An electrical component, comprising:
- a conductive substrate;
- a tin layer formed on the substrate;
- and
- a barrier coating formed on the tin layer to impede tin whisker growth, the barrier coating comprising:
- a polymer matrix, and
- abrasive particles that are dispersed about the polymer matrix.
3 more elements
An electrical component, comprising:
- a conductive substrate;
- a tin layer formed on the substrate;
- and
- a barrier coating formed on the tin layer to impede tin whisker growth, the barrier coating comprising:
- a polymer matrix, and
- abrasive particles that are dispersed about the polymer matrix, wherein the abrasive particles include diamonds.
3 more elements
Dependencies are inferred from the claim text.