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US 2017/0282302 A1Published application
Metal particle, paste, formed article, and laminated article
AssigneeNapra Co., Ltd.
InventorShigenobu SEKINE
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Abstract
Aiming at providing a metal particle, an electro-conductive paste, a formed article, and a laminated article that are able to form a highly reliable and high-quality electric interconnect, an electro-conductive bonding portion, or a three-dimensional structure that is less likely to produce the Kirkendall void, this invention discloses a metal particle which include an outer shell and a core part, the outer shell including an intermetallic compound and covering the core part.
Claims4
A metal particle comprising an outer shell and a core part,
- the core part containing a metal or an alloy;
- the outer shell comprising an intermetallic compound, and covering the core part;
- the core part containing Sn or a Sn alloy;
- and
- the outer shell containing an intermetallic compound of Sn and Cu.
2 more elements
Dependencies are inferred from the claim text.