Frequently Asked Questions

Where do I begin?

All your layout experience is immediately transferable to Flex and Rigid Flex constructions.

The primary difference is signal properties based on materials and characteristics of the fabrication.

Graphic’s experience is fabrication and years in practice using data supplied by material manufacturers.

Graphic will supply you with all the information needed so your design meets your needs.

Tell us what you need and we will provide technical exchange for the required information.

Our Design Tab is a good starting point for lots of information in a compact form.

The questions below help you understand your problem a little more and answer critical info questions we may need answers too.

What problem are you trying to solve? What dimensions must you fit in? What is the application?

Copper weights: ¼ oz, ½ oz, 1oz

Flex Substrate Thickness 1 mil,2mil,3mil,4mil,5 mil.

Flex materials are polyimides but not the same as Rigid polyimides.

All finishes you can do in rigid boards can be done for flex and rigid-flex boards.

Standard IPC specifications for flex Materials. IPC 4204 is flex copper clad material. You need a slash sheet to describe the base. 

Soldermask is referred to as coverlay.

Rigidflex will need IPC 4101 and IPC 4204.

Thickness: Remember the adhesives and prepregs.

Every fab shop base prices on multiples of standard material sizes

Minimize scrap and lower the cost Think about all the sizes you can fit into 24” by 36”.

1 ounce is cheaper than ½ ounce materials

Rushed deliveries are a problem for everybody.

Can I put 2 or more Rigid boards together?

Yes , you can also do this: