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Fully automated coating and laminating machine

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Fully automated coating and laminating machine

Fully automated coating and laminating machine
The Singulation System is a fully automated coating and laminating machine that takes a copper panel, cleans it, coats it both sides with solvent-free etch resist and laminates it with a thin layer of mylar. Source: Rainbow Technology Systems
Rainbow Technology Systems is to introduce a unique Singulation System for use with digital imaging systems at this year’s Productronica exhibition. The Singulation System is a fully automated coating and laminating machine that takes a copper panel, cleans it, coats it both sides with solvent-free etch resist and laminates it with a thin layer of mylar. The edges of the panel are then sealed with UV light and panels are ejected ready for imaging in a digital imaging machine such as LDI or DMD. Key to the process is the patented solvent-free etch resist which remains in a liquid state after coating. This removes the need for an oven as there is no solvent to release. The resist coating is thin (  8 µm) and protected by mylar plus the machine automatically seals around the edge of each panel to offer easy, safe handling.

A key advantage of the system is that it will allow far faster throughput through a digital imaging machine as the Rainbow resist is much easier and faster to cure than dryfilm. After imaging, the mylar is peeled off and the panel goes through the develop, etch and strip stages in the same way as a dryfilm panel. As the thin coating and liquid state of the uncured resist allows faster developing, etching and stripping than normal it means the existing etch equipment can clear out higher density circuits (finer track and gap).
Jonathan Kennett, CEO, Rainbow Technology Systems said: “Our whole purpose at Rainbow is to find innovative ways of making the electronics production process easier, more efficient and more profitable. The new Singulation System achieves these aims for manufacturers using laser direct imaging equipment for PCB production.” He added: “We have spent many years to develop and refine the chemistry used in the solvent-free resist which is at the core of the cost and efficiency savings in the new system. This is the first significant change in the formulation of resist in the past 30 years so it is truly revolutionary. ”
Other benefits of the Rainbow Singulation System include:
  • Small Footprint: 2.5 m x 1.5 m x 2.2  (LxWxH).
  • The system has its own enclosure where is the air is filtered by HEPA filters.
  • Low running costs – the system runs at ambient temperature. The savings are considerable compared with cut sheet laminators which require heat to bond the dry film to copper panels. 
  • Horizontal in/out — panels can be loaded by hand or via automatic loading/unloading systems for full automation. PLC control with HMI interface is included for full integration into the production line.
  • The liquid resist conforms to the copper surface improving yield.
productronica, booth B1.564
Current Issue
Titelbild EPP EUROPE Electronics Production and Test 11
Issue
11.2023
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