Invention Grant
- Patent Title: Low temperature high reliability alloy for solder hierarchy
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Application No.: US15326180Application Date: 2015-07-15
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Publication No.: US10322471B2Publication Date: 2019-06-18
- Inventor: Pritha Choudhury , Morgana De Avila Ribas , Sutapa Mukherjee , Siuli Sarkar , Ranjit Pandher , Ravindra Bhatkal , Bawa Singh
- Applicant: Alpha Assembly Solutions Inc.
- Applicant Address: US NJ Somerset
- Assignee: Alpha Assembly Solutions Inc.
- Current Assignee: Alpha Assembly Solutions Inc.
- Current Assignee Address: US NJ Somerset
- Agency: Carmody Torrance Sandak & Hennessey LLP
- International Application: PCT/GB2015/052036 WO 20150715
- International Announcement: WO2016/012754 WO 20160128
- Main IPC: B23K31/02
- IPC: B23K31/02 ; B23K35/26 ; B23K35/00 ; C22C13/00 ; C22C13/02 ; B23K1/00 ; B23K1/002 ; B23K1/005 ; B23K1/08 ; B23K35/02 ; H01L23/00 ; B23K101/40 ; B23K101/42

Abstract:
A lead-free, antimony-free solder alloy_suitable for use in electronic soldering applications. The solder alloy comprises (a) from 1 to 4 wt. % silver; (b) from 0.5 to 6 wt. % bismuth; (c) from 3.55 to 15 wt. % indium, (d) 3 wt. % or less of copper; (e) one or more optional elements and the balance tin, together with any unavoidable impurities.
Public/Granted literature
- US20170197281A1 Low Temperature High Reliability Alloy for Solder Hierarchy Public/Granted day:2017-07-13
Information query
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