Invention Grant
- Patent Title: Forming constant diameter spherical metal balls
- Patent Title (中): 形成恒定直径的球形金属球
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Application No.: US13846158Application Date: 2013-03-18
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Publication No.: US08875978B2Publication Date: 2014-11-04
- Inventor: Claudius Feger , Peter A. Gruber , Mark H. McLeod , Jae-Woong Nah
- Applicant: International Business Machines Corporation
- Applicant Address: US NY Armonk
- Assignee: International Business Machines Corporation
- Current Assignee: International Business Machines Corporation
- Current Assignee Address: US NY Armonk
- Agent Louis J. Percello; Robert M. Trepp
- Main IPC: B23K37/00
- IPC: B23K37/00 ; B22C9/22 ; B22C9/06 ; B23K31/02
Abstract:
A process and tools for forming spherical metal balls is described incorporating molds, injection molded solder, a liquid or gaseous environment to reduce or remove metal oxides and an unconstrained reflow of metal in a heated liquid or gas and solidification of molten metal in a cooler liquid or gas.
Public/Granted literature
- US20140262113A1 FORMING CONSTANT DIAMETER SPHERICAL METAL BALLS Public/Granted day:2014-09-18
Information query
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