Question about Ribbon Wire

I want to use ribbon wire in my RF circuit design.

When use Ribbon wire to cross one transmission line,
what angle is best?

Verticle one, or something else?

Thanks.

what do you mean by "cross" a transmission line?

You want to minimize the mutual capacitance and inductance. For the latter a 90 degree angle is best. For minimizing the capacitance, put the ribbon wire edge on the other one and keep it far away.