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Etching Products

Chemical etching or metal etching is a form of processing that uses acids, bases or other chemicals to remove layers of a material,which  is a highly accurate manufacturing process used to produce high precision metal parts, it can produce any desired shape of high precision metal parts easily. Stainless steel etching, aluminum etching and cooper etching are the most popular metal etching.

Comared to other manufacturing processes, Chemical Etching/metal etching provides very close tolerances and high repeatability for features that are too small to achieve with conventional stamping processes, it is more cost efficient with shorter lead time, more design flexibility, and no need for deburring, because it eliminates the need for special tooling or process migration. It is an optimal choice for precision metal part manufacturing, regardless of prototyping or industrial production. 


The chemical etching process:

1.A sheet of metal is chemically cleaned to ensure that it is free from potential contaminants
2.The sheet is coated with a film that is resistant to the chemical etchant called ‘photoresist’
3.The pattern to be etched is overlaid on the photoresist covered sheet, which is then exposed to UV light. The area that is not covered by the etched pattern is activated by the UV light and this will prevent the acid etching the material in this area
4.The sheet is put through a development stage where the unexposed photoresist is removed, leaving uncovered areas which will be etched by the acid
5.Developed material goes through the etching process where it is sprayed with the chemical etchant to etch the required pattern into the metal
6.The material is cleaned to remove the remaining photoresist


Our Chemical Etching Capabilities

Continuous Reel-to-reel Etching
Coil Etching
Volume Etching
Production Etching
Precision Etching
Stainless Steel Etching
Aluminum Etching
Copper Etching
Metal Etching

Achievable Features and Specifications

Minimum Feature Size: 1.2x material thickness
Minimum Thickness: 0.0008″ (0.0203 mm)
Feature Tolerance: 10% of material thickness
Maximum Thickness: 0.0200″ (0.508 mm)
Maximum Part Width: 8″ (203 mm)
Maximum Part Length: 1,500′ (457 m)
Typical applications for Chemical Etching across industries:

Electronics & Semiconductor

Lead frames
SMT stencils
EMI/RFI Shielding cans
Shim, washer, spacer
Bus bars
Flexible circuits
Heat sinks
Apertures

Medical 

Surgical blades
Lancets
(Micro) Needles

Automotive

Flat Springs 
Flexture
Speaker grilles

For more information of our chemical etching process, and to find out how our expertise can support your project, just feel free to contact us or visit our another website www.etchparts.com


Custom your products
 freely and contact us

Visit our this website or www.etchparts.com to learn more about the various constructions and product features we can offer, and learn how we YanMing can customize your metal etching to meet and exceed your unique application requirements.

Metal Etching | Aluminum Etching | Stainless Steel Etching | Copper Etching Etching Mesh | Micro mesh screens | EMI & RFI Shielding | Photo Etched Parts | Decorative Metal Crafts | Filter Screen | Encoder Disks | Engraved Metal Stencil | Lead Frame | Micro & Thin Shim |

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