Folded fin heat sink

摘要

A heat sink can include a folded fin with a base portion, an offset portion extending away from the base portion, the offset portion having a width, a narrowing tapering portion having a maximum width equal to the width of the offset portion, and an extension portion extending away from the narrowing tapering portion, the extension portion having a width smaller than the width of the offset portion.

主权项

1. A heat sink comprising a folded fin, the folded fin comprising:
a flat base portion extending along a base direction; an offset portion extending away from the base portion along an offset direction that is transverse to the base direction, the offset portion having a width defined along the base direction; a narrowing tapering portion extending along a tapering direction that is transverse to both the base direction and the offset direction, the narrowing tapering portion having a maximum width defined along the base direction equal to the width of the offset portion; and an extension portion extending away from the narrowing tapering portion and extending along an extension direction that is parallel to the offset direction, the extension portion having a width defined along the base direction that is smaller than the width of the offset portion.