Question: my company designs systems for unmanned aerial vehicles. Weight is a huge issue for us. Is there a rule of thumb or software tool available to calculate the weight of a flex or rigid-flex PCB? Many of today's electronics are weight-sensitive. Aerospace applications have a critical demand for the lowest possible weight and mass due to the high cost of sending any object into orbit. "Cost to orbit" can range from $5,000 to $14,000 per pound. These costs demand careful review of all materials making up the flex circuit. Extreme weight sensitivity is no longer a concern limited to aerospace engineers. The demand for "wearable" technology has accelerated dramatically, replacing aerospace as the lead in the race for the lightest possible flex. Even non-weight critical applications can benefit from lighter goods, which are reflected in lower shipping costs due to significant weight reductions.
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