Electronics > Projects, Designs, and Technical Stuff

Flat Flex Cable modification for narrow opening

(1/3) > >>

k1mgy:
When I designed an interconnect between two boards, I never imagined they would be separated and joined by a 20mm diameter (narrow) tube that serves as a handle for the product case.  So my 40 pin wide ffc, which is 22mm wide obviously won't fit.  I might be able to curve the business end to fit through, but this is not a best solution.. and I'm concerned that doing so will damage the cable end.

One thought is to very precisely split the cable longitudinally from one end to just above the connector at the other end.  At 0.5mm pitch, this will require a microscope and a very steady hand. 

Has anyone run into this problem?  I looked for solutions from the FFC manufacturers, but nothing found.

langwadt:
roll it?

k1mgy:
That will work to get it through.  I'm looking at something called "slit ffc". 

jbb:
You could just squeeze the trace and space width, thus making a narrower ‘neck.’   To get the wide connector through the tube you may need to roll it a bit and allow a little extra length.

It’s a lot more work, but you could also go for a high density connection (2 row staggered) that would be about 12mm wide. This would unfortunately require PCB spins at both ends.

KL27x:
Break it up into 2x 20P FPC ribbon with two connectors on either end?

Navigation

[0] Message Index

[#] Next page

There was an error while thanking
Thanking...
Go to full version
Powered by SMFPacks Advanced Attachments Uploader Mod