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Building 1109, 5B Block, Fenglong Shenzhen-Hong Kong Technology Park, Longfei Avenue, Longgang District, Shenzhen
+86 15323427875
89702428@163.com
Explore the frequently asked questions about our metal etching processing.
Metal etching, also known as chemical etching, is a precision manufacturing process that uses chemical solutions to selectively remove metal from a workpiece, creating intricate designs, patterns, or components. The process typically involves cleaning the metal surface, applying a photoresist layer, exposing the resist to UV light through a stencil (with your desired design), developing the resist to reveal unprotected areas, and finally using etchants to dissolve the exposed metal. The remaining resist is then stripped, leaving a precise, burr-free finished part
Metal etching works effectively with a wide range of metals and alloys, including stainless steel, carbon steel, aluminum, copper, brass, nickel, titanium, and even exotic alloys like Inconel. The versatility of the process allows it to handle both ferrous and non-ferrous metals, making it suitable for diverse industrial needs.
Metal etching excels at producing high-precision components with intricate details. It can achieve tolerances as tight as ±0.03mm (0.00118 inches) and reproduce fine features such as micro-holes, thin walls, or complex geometries that may be challenging or costly with other processes. This level of precision makes it ideal for applications requiring consistency across large production runs.
Compared to laser cutting, metal etching offers advantages in producing finer details, avoiding heat-affected zones (which can alter metal properties), and handling thinner materials more efficiently. Unlike stamping, it eliminates the need for expensive hard tooling, reduces setup times, and allows for quick design modifications—making it more cost-effective for prototyping or small-to-medium production volumes. It also produces burr-free edges without secondary finishing.
Metal etching is widely used across industries such as electronics (for circuit boards, lead frames, and EMI shields), aerospace (precision components, sensor parts), medical devices (surgical tools, implant components), automotive (fuel injection parts, filters), and telecommunications (antenna components). Its ability to balance precision, cost, and material versatility makes it a go-to solution for critical, high-performance parts.