Hi Steve,
I believe according to UL, a class 3 medical device is a life support or
life sustaining piece of equipment.  Two examples would be a pacemaker and
an incubator.  As such the requirements of J-STD-001 or IPC-A-610 would
dictate class 3 requirements for the circuit card assembly and the substrate
to be designed IAW class 3 requirements of 2222 and fabricated IAW class 3
requirements of 6012.  Please note that it is coincidence that all
requirements are class 3 between IPC and UL.

Steve Sauer
Manufacturing Engineer
Xetron Corporation

Reference:
One of our Sales persons has a customer inquiring if we can build a
"class 3 medical" type board.  Is this just a class 3 type board used in
medical equipment, or is there a special category of boards out there
classified as "medical?"

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