HEATSINK WITH SUBSTANCE EMBEDDED TO SUPPRESS ELECTROMAGNETIC INTERFERENCE

A heatsink may include an area in thermal contact with a semiconductor microchip surface and a first trench of a first depth. The first trench may be substantially continuous around the area. A first substance, such as ferrite, may be positioned in the first trench to attenuate electromagnetic inter...

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Bibliographische Detailangaben
1. Verfasser:	GILLILAND DON A
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PRINTED CIRCUITS SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:	A heatsink may include an area in thermal contact with a semiconductor microchip surface and a first trench of a first depth. The first trench may be substantially continuous around the area. A first substance, such as ferrite, may be positioned in the first trench to attenuate electromagnetic interference. A second trench having a second depth may be formed around and further from the area than the first trench. A second substance may be positioned in the second trench.