Questions tagged [flex]

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How to apply ECCOBOND 45 to FPC-Stiffener interfaces? [on hold]

My question is about ECCOBOND 45 apply in flexible pcb fabrication. I find the fab note APPLY ECCOBOND 45, COLOR BLACK, TO TOP SIDE STIFFENER WHERE INDICATED. ECCOBOND FILLET MUST NOT EXTEND MORE ...
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60 views

Purpose of solid plane on flex in wireless earbuds

I'm looking at a teardown of Sennheiser Momentum wireless earbuds. It is a rigid-flex design that folds into the casing:  My question is about the flex that sticks out to the right in the picture ...
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39 views

Changing flex connector on LCD motherboard

The flex connector from a Philips 236v4lhab motherboard has some of its pins broken. They are touching each other (8,9,10). Can't show it on the photo but have tested with the voltmeter. I'm wondering ...
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Hexagonal hatched polygons Altium

I'm recently trying to design a flex PCB. I haven't been able to find any specific tutorials on how to do this in Altium. But I did find Altium blogs detailing some of the best design practices for ...
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2answers
119 views

How accurate are flex sensors?

So for the project I am working on I plan on measuring very precise changes in angle, possibly up to 5 degrees of accuracy. Are polymer ink sensors (the classic Nintendo power glove flex sensor) the ...
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1answer
101 views

I need to do a membrane pcb for a keyboard or a flexible PCB like a membrane PCB

I need to design a membrane PCB for a keyboard and/or flexible double sided PCB that works like a membrane PCB. My problem here is that I don't know how to do the buttons, with one contact of the ...
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1answer
197 views

Phone battery modification, transplanting a PCB flex onto differing voltage?

I'm contemplating getting a Sony battery's PCB flex soldered to a Samsung S8+ battery. This due to new official genuine products proving impossible to find for a 2014 device now, especially with a ...
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210 views

Thickness for polyimide stiffener in flex pcb

I'm struggling to find some guidelines for the thickness to specify for a polyimide stiffener under a surface mount connector on a flex board. I see lots of call us and we'll help you figure it out ...