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JJS Emphasizes Requirement for Baking Prior to flexible Printed Circuit Assembly
England-based JJS Manufacturing is an EMS corporation which concentrates on end-to-end purchasing, manufacture (PCB Board assembly, box build, cabinet, electro-mechanical) and supply chain solutions. The enterprise supplies advanced, hugely configurable, low-to-medium-volume industrial electronics products across an array of markets like industrial automation, process control, test and measurement, and laboratory technology.
Editor Stephen Las Marias talked with Russell Poppe, director of technology, concerning the concerns of coping with flexible circuit assemblies and provides methods to address them.
Stephen Las Marias: From your experience, what are the principal complications in flexible circuit assembly?
Russell Poppe: From an assembly angle, baking the flexible circuits in advance of manufacturing assembly is vital since they can be vulnerable to delamination. Regardless of this, baking any PCB Board ahead of manufacturing is best practice and something we consistently carry out at JJS.
One of the biggest complications in flexible circuit assembly is ensuring that the circuits stay flat, specially through the printing and pick-and-place processes. The parts of the circuit needing SMT placement need to have an FR-4 stiffener designed in underneath; however, it’s also important to work with the PCB Board provider at first. Getting the panelization right is necessary so that the boards don’t bend when the parts are put or when they undergo reflow. Panel design generally is a challenge as flexible circuits tend to be strange shapes! It might additionally be essential to have a custom carrier or pallet to hold the flexible circuits in place throughout the process; on the other hand, these carry extra costs-generally some hundred pounds each.
Uncover more from JJS Manufacturing Russell Poppe smt.iconnect007.com/index.php/article/103844/jjs-stresses-need-for-baking-prior-to-flex-circuit-assembly/103847/?skin=smt