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Photo Etching -
Features and Benefits

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Minute and highly complex etched shapes are possible to tolerances of ±0.0125 mm (0.0005”). Low risk, low cost set-up with No expensive hard tooling means low cost set-up with no significant cost penalty for amending and optimising designs. Samples can be provided quickly while the same technology can produce economical volume quantities; minimising ‘critical development paths’ and reduce ‘time to market’. Virtually all metals can be etched, including stainless steel. Even metals that are hard or brittle can be etched. This technique is ideal for machining thin metals and foils. The process does not induce stress or deformation. Components are burr free while temper and magnetic properties remain unchanged. Techniques such as half-etched bend lines facilitate complex hand forming of parts, saving the cost of hard tooling. Integrated marking reduces handling and cost. Combining Photo Etching with other in-house manufacturing processes provides finished components enabling customers to reduce their supplier base. Integrated Quality System (ISO 9001) Assures optimum quality consistency and provides complete material and process traceability. Photo etching is the recommended alternative to precision presswork & laser cutting.

Material Thickness T
General Tolerances
Hole/Slot Size
MSDS
Bar Width
MSDS
Standard
Precision
Standard
Precision
Standard
Precision
0.025 - 0.050
±0.025
±0.0100
0.1
0.05
160% T
100% T
0.050 - 0.100
±0.025
±0.0100
0.1
100% T
150% T
100% T
0.100 - 0.125
±0.025
±0.0125
125% T
75% T
110% T
75% T
0.125 - 0.150
±0.025
±0.0150
125% T
75% T
110% T
75% T
0.150 - 0.200
±0.030
±0.0200
125% T
75% T
110% T
75% T
0.200 - 0.250
±0.030
±0.020
125% T
75% T
100% T
75% T
0.250 - 0.500
±12.5% T
±7.5% T
125% T
75% T
100% T
75% T
0.500 - 1.000
±12.5% T
±7.5% T
125% T
75% T
100% T
75% T
1.000 - 2.000
±12.5% T
±7.5% T
125% T
75% T
100% T
75% T
Photo Etching Tolerances in mm or as % of thickness in mm
 
Photo Etching Design Guidelines
   
Standard Material Size: typically 300mm X 450mm long. 600mm x 1200mm long available on request
Centre to centre, or Pitch Tolerence: of the order of +/-0.05% of any given dimension
Precision tolerances may be improved with development, and are subject to feature geometry, material type and sheet size.
             
Photo Etching Profiles
   
An etched profile has distinct characteristics, as the metal is chemically dissolved. The edge profile can be controlled and a range of profiles can be achieved. These profiles are very small, but can often be used to provide a product with unique characteristics.




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Singapore 408868
Tel 65 6270 2188
Fax 65 6270 9188
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Penang, Malaysia
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HONG KONG
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Singapore 408868
Tel 852 8199 0955  
Fax 65 6270 9188
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