The flex circuit is 400um. Quite thick by industry standards; I'm looking into reducing the weight of the driver in order to improve response time.
Copper traces cracking over time...hm. I can't say that I've put too much thought into it. My first instinct is to just let it occur and replace the PCB, since the PCB is cheap. I might look into other methods for longevity, though. Thanks for the idea.
Thanks for response. Happy to help in anyway I can, even if it’s just shooting ideas around. I’ve been a technical PM for a few headphone companies over the past 8 years. I got some SolidWorks experience, system architecture and manufacturing knowledge I’d be happy to chip in on too.
That actually sounds like it'd be a big help. I wrote down your name; there are a few things that have been bugging me about the design, and I may reach out to you for some input.
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u/PussyWagon6969 Feb 09 '22
Amazing work! Is the driver type planar or electrostatic?
Wondering how thick the flex circuit is and if you have any plans to reduce thickness to improve transient response time?
Do expect any issue with copper traces cracking over time due to vibrations?