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Candor Industries is the only PCB company in the world to have perfected a liquid photoresist process. Our primary imaging is a wet process and is not subject to adhesion failures and other defects associated with handling dry films, including foreign objects, resulting in greater line controls at etching.
Customer Product Benefit
(Functional, Qualitative, Aesthetic)
Thick, heavy copper boards can be manufactured with ease
Excellent impdence matching - up to 2% tolerance
Landless via capabilities
Fine line capabilities
Uniform copper distribution
No dry film handling related defects
Mechanical / Electrical Superiority and/or Stability
Even coating leading to great copper distribution
Uniform copper distribution
(Simple, Repetitive, Basic Technical Skills)
Dry Film Related Processes removed, simplifying the process.
(Reduce, Re-use, Recycle)
Liquid photoresist process removes dry film resist materials and ammonia based etch chemistry associated with it.
Simplified pre clean
Less maintenance upstream and downstream
Less defects mean less need for inspection and repair
(Surpass Restrictions with Less Water)
The process uses minimal amounts of water.
Fewer Process Step
(symptom of On-Time Delivery)
Reduction of many process steps compared to conventional dry resist process.
Process Control Advantage
(less monitoring, ease of use)
With a reduced amount of process steps less variables need to be controlled thereby reducing monitoring.
By using the positive acting photoresist, Candor and thereby the customer does not need to worry about many problems related to conventional manufacturing process. The coating lasts for a very long time and allows us for large stock of material coated already. This allows for fast production, saving time/money for the customer!
The reliability of the resist coating is also superior, as it is scratch resistant. Photoresist coating is consistently 5 microns thick, this is very thin, allowing for better and consistent imaging of layers with 2 mil line and sub 2 mil possible without extravagant costs.
The nature of the resist allows us to keep cupric chloride etching an option for both inner and outer layers, this process gives a better etch than the standard ammonia based etching.
The photoresist was a process found by our President Yogen Patel and was the missing link for his simplified process vision. Over the years Candor has perfected the liquid photoresist based imaging when others have failed, we are the industry experts of liquid photoresist processing.
Creating new designs and technologies require a partnership, the production process requires not only good product, but also knowledge and communication support.
The Candor sales and engineering teams are always ready to help and will respond to questions and quotes promptly.Contact Us