Hi Valerie,
There are some hi Tg/Td FR-4 materials advertised that can get T288 of 45
minutes and a T320 of about 25 minutes--of course, that is taking the
manufacturer's word.
It never occured to me to look for the Fahrenheit equivalent of 288C--what a
crock for the USA to be thrown [by ourselves] into the same pot with South
Yemen.
Werner
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