Patent · US Active

Electronic device with multi-layer contact

US9490193B2 · kind B2 · utility

1Cited by

0References

6Claims

0Family size

Assignee

Infineon Technologies AG · DE

Inventors

Alexander Heinrich · Bad Abbach, DE
Michael Juerss · Regenstauf, DE
Konrad Roesl · Teublitz, DE
Oliver Eichinger · Regensburg, DE
Kok Chai Goh · Melaka City, MY
Tobias Schmidt · Munich, DE

Key dates

Filing date	Dec 1, 2011
Grant date	Nov 8, 2016
Priority date	—
Expiry date	Dec 3, 2031

Classification

Technology area (CPC H)Electricity
CPC primaryH01L2924/17747
WIPO fieldSemiconductors
WIPO sectorElectrical engineering

Abstract

The electronic device includes a carrier, a semiconductor substrate attached to the carrier, and a layer system disposed between the semiconductor substrate and the carrier. The layer system includes an electrical contact layer disposed on the semiconductor substrate. A functional layer is disposed on the electrical contact layer. An adhesion layer is disposed on the functional layer. A solder layer is disposed between the adhesion layer and the carrier.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.