GOBOs, or 'Goes Before Optics', are metal discs which, when placed in front of a light-source, control the shape of the light. Etch Tech have extensive experience in the manufacture and supply of chemically etched GOBOs in Aluminium and Stainless Steel. Due to the projection of light shape, the GOBOs are required to have a very high level of precision. Any minute burrs or imperfections in edge or finish would, when magnified by use, appear significantly in the image, causing a distortion. Etch Tech are specialists in the production of high quality GOBOs by the chemical etching process, and guarantee a high quality finished product that is burr-free. 
 
Etch Tech's Photo Chemical Etching process can utilise an array of electronic design file formats such as; CAD files dxf, dwg, IGES, STEP; SolidWorks ; ProEngineer ; PDF; CDR; AI; EPS, to design your bespoke GOBOs. 
 
We supply GOBOs all over the world to a wide array of industries and sectors, and offer same day dispatch to customers wishing to make use of our extensive experience in this sector. 
 
Etch Tech supply quality etched GOBOs for a range of automated lighting systems uses, including but not limited to: 
 
Architectural Lighting 
Branding Events 
Corporate Events 
Exhibitions 
Interior Design 
Music Venues 
Nightclubs 
Stadia 
Theatres 
Weddings 
 
Etch Tech can supply Photo Chemically Etched metal GOBOs in the following materials: 
 
Aluminium 
Stainless Steel 
Usual thickness: 0.2mm (0.008") 
 
 
Design tolerances 
 
The Photo Etching process in place at Etch Tech Ltd is capable of etching extremely fine detail into metal. We have extensive experience working closely with customers to offer improved design tolerances on our GOBOs. Please contact our design engineers so discuss your requirements. 
 
 
For any volume of the production of GOBOs the manufacturing technique of choice is Photo Chemical Etching, see below for an in-depth view of the strengths of the process: 
Benefits of the Photo Chemical Etching Process : 
 
Apertures on both sides as the etchant works on both sides of the metal 
Burr & Stress-free manufacturing method 
Custom parts – you design it – we make it! 
Cost-effective metal component prototyping 
Etch Tech can call on more than 30 years experience in the photo chemical etching of metal components 
High Accuracy 
Low cost tooling 
Industry leading lead times from inception to delivered components 
Prototypes – fast turnaround to meet your needs 
Scalable through Short Run to High Volume 
To find out more about our Photo Etching Process please email, or contact us on 01480 435 548 

Get a Fast Track Quote 

Tell us about your photo chemical etching requirements today and get a fast track quote. We aim to respond to requests within 4 hours of receipt of your contact, 24 hours guaranteed! 

Consult with our design team now! 

Wondering if chemical milling is right for your project? Consult with our team of experienced designers today and we can begin working together! 
 
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