Printed Electronics
Printing and imaging methods used to create electrical devices (membrane switch, flexible circuits, etc.) on various substrates.
Preparing the screen is the first step in the screen printing process and is probably the most important one. We can’t expect to achieve a good print result when using a screen of poor quality. The objective in any printing process is to reproduce the original artwork as exactly as possible.
Evaluating the quality of a direct-emulsion stencil before it is on press is a difficult task. Pinholes and edge defects might be uncovered with illumination and magnification, but overall stencil quality and flatness are impossible to measure. After many months of research, a test has been established that can evaluate the relationship between the emulsion and the mesh.
Printed electronics and material deposition using digital technologies is the next big frontier. With all the money being spent on research and development, we asked Paul Lindquist of Methode Electronics Inc. and Rich Baker of Integrity Industrial Ink Jet Integration a few questions.
Screen printing generally has the largest number of critical variables due to the number of parameters that need to be measured and tracked. Here are some of the key precision tools printers use to help them to be repeatable and faster, all while producing higher quality prints.
In the approximately 10 years since ultra‐violet light‐emitting‐diode (UV LED) curing lamps appeared in the market, there have been significant technological advances in LED efficiency and curing lamp performance.
Screen printing generally has the largest number of critical variables due to the number of parameters that need to be measured and tracked. Here are some of the key precision tools printers use to help them to be repeatable and faster, all while producing higher quality prints.
This study looks at the effects of drying temperature on screen tension. The results show that drying at higher temperatures created lower tensions on screens before they were printed.
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