Electronics > Repair

possible to repair 0.2 mm spacing flat flex cable?

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SArepairman:
I have a tape drive head with a ripped flat flex cable. It is an expensive drive but the problem is that I would need to repair something along the lines of 100 conductor 0.2 mm spacing flat flex which tore.


I assume this is completely impossible. Its a weird cable assembly (comes off the head in two arcs)

c4757p:
Nothing is impossible if you just believe in yourself!


OK, yeah, it's completely goddamn impossible, about an order of magnitude worse than the also impossible 0.5mm.

SArepairman:
I was thinking about maybe using some kind of slow cure conductive epoxy under a microscope using a thin wire to apply but I would like to hear a success story before I start buying expensive epoxies

amyk:

--- Quote from: SArepairman on July 30, 2013, 04:31:57 am ---I was thinking about maybe using some kind of slow cure conductive epoxy under a microscope using a thin wire to apply but I would like to hear a success story before I start buying expensive epoxies

--- End quote ---
Assuming you can sacrifice a bit of length (several mm should be sufficient), cutting a piece of the cable out and inverting it on top could work. Expose the conductors on all 3 mating surfaces and use anisotropic conductive film to glue it all together under a press. You'll definitely need a microscope for alignment.

flolic:
It probably can be done, but it's not easy...


Resistor is 0805, for size comparison.



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