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Seika Machinery, Inc. will launch its SMI 2026 Webinar Series with Session 1, “Solder Paste… Automating Preparation Practices,” focusing on process variables that affect print quality and SMT stability. The webinar will be held on Wednesday, June 24, 2026, at 1 p.m. Eastern Time (US and Canada).
Solder paste remains one of the most sensitive materials in surface-mount assembly. Variations in mixing, temperature, or handling can affect viscosity and influence stencil printing performance, defect rates, and downstream reflow results.
The session will examine factors that contribute to these variations and discuss methods for controlling solder paste condition before it reaches the printer. Topics will include mixing practices, temperature control, and procedures for bringing paste to print-ready condition after storage.
A portion of the webinar will focus on viscosity measurement and its role in validating paste readiness. Seika Machinery will discuss its Malcom viscometer systems, which measure both static and dynamic viscosity by applying controlled shear to the material. The company said this approach is intended to reflect printing conditions and provide insight into paste behavior on the stencil.
The webinar will also cover automation opportunities in paste preparation and the use of process control tools to standardize procedures that are often dependent on manual handling.
“In many SMT environments, paste issues don’t show up at the mixer—they show up at the printer,” said Michelle Ogihara, Executive Vice President of Seika Machinery. “The goal is to remove as much variability as possible before it ever gets that far.”
The session will connect mixing practices, temperature control, and viscosity verification as part of efforts to improve print consistency and reduce downstream process variation. The SMI 2026 Webinar Series will focus on process control and production practices in SMT manufacturing environments.
Click here to register for the SMI 2026 webinar series session 1.
Click here to learn more about Seika Machinery.
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