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Hello Yumiko,
Unfortunately, I have not been able to locate any additional documentation.
The HFQ version (non-formed leads) is used on the H.E.A.T. EVM; the design documentation may provide some additional guidance.
https://www.ti.com/tool/TIDA-0000…
I'd appreciate it if anyone here can share the High Reliability Polyimide PCB manufacturer companies. Or the PCB maker for the TI HEAT platform on the link below. Thanks,
http://www.ti.com/tool/TIDA-00002