Patent · US Active

Hermetic feedthrough

US8841558B2 · kind B2 · utility

19Cited by

20References

38Claims

0Family size

Assignees

Medtronic, Inc. · US
KYOCERA Corporation · JP

Inventors

Kengo Morioka · San Diego, US
Arne Knudsen · San Diego, US
Shingo Satou · Kirishima, JP
Hidekazu Otomaru · Kyoto, JP
Andrew J. Thom · Maple Grove, US
Hiroshi Makino · Kirishima, JP
Markus W. Reiterer · Plymouth, US
Gordon O. Munns · Stacy, US
Thomas P. Miltich · Maple Grove, US
Joyce K. Yamamoto · Maple Grove, US

Key dates

Filing date	Aug 2, 2011
Grant date	Sep 23, 2014
Priority date	—
Expiry date	Apr 25, 2032

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC22C32/0021
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A feedthrough includes a sheet having a hole, where the sheet includes a first material that is a ceramic comprising alumina. The feedthrough further includes a second material substantially filling the hole. The second material is different than the first material and includes platinum and an additive that includes alumina. The first and second materials have a co-fired bond therebetween that hermetically seals the hole.

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