- Patent Title: Gold wetting on ceramic surfaces upon coating with titanium hydride
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Application No.: US15712669Application Date: 2017-09-22
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Publication No.: US10583302B2Publication Date: 2020-03-10
- Inventor: Dongfa Li , Biswa P. Das , Ashish Shah
- Applicant: Greatbatch Ltd.
- Applicant Address: US NY Clarence
- Assignee: Greatbatch Ltd.
- Current Assignee: Greatbatch Ltd.
- Current Assignee Address: US NY Clarence
- Agent Michael F. Scalise
- Main IPC: A61N1/375
- IPC: A61N1/375 ; H01G4/35 ; H01G4/242 ; H01G4/224 ; H01G2/02 ; B23K1/00 ; C01B6/02 ; C04B37/02 ; H01B17/30 ; A61N1/39

Abstract:
The application of a titanium hydride coating on a ceramic, preferably an alumina ceramic, as a facile and inexpensive approach to bond gold to the ceramic during brazing is described. During the brazing process, the deposited titanium hydride is first partially decomposed to form pure titanium intermixed with titanium hydride. The combination of pure titanium and titanium hydride contributes to improved adhesion of gold with the alumina ceramic without any detrimental reaction between pure titanium and gold. The titanium hydride coating can be applied by dip/spray/paint coating.
Public/Granted literature
- US20180085591A1 GOLD WETTING ON CERAMIC SURFACES UPON COATING WITH TITANIUM HYDRIDE Public/Granted day:2018-03-29
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