<p>Copper laminates for etching circuit boards with rigid-flexible <a href="https://www.atechpcb.com/pcb-manufacturing" rel="noopener noreferrer" target="_blank">printed circuit boards</a></p><p><br></p><p><br></p><p>After generating the circuit pattern, the next step is to etch the copper laminate. For rigid-flex<a href="https://www.atechpcb.com/pcb-manufacturing" rel="noopener noreferrer" target="_blank"> printed circuit board</a> manufacturing, you can immerse the laminate in an etching bath or spray it with an etchant solution. In addition, you need to engrave both sides of the copper laminate at the same time. Only in this way can you achieve the desired result.</p><p><br></p><p> </p><p><br></p><p>The resist you will apply on the surface of the film will be photosensitive. Therefore, before it is used for chemical etching, the required mask pattern will be exposed and an etching resist will be generated. Now, once you etch the bare copper, chemicals will be used to strip the resist from the rigid-flex PCB.</p>
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