Let me tell you about this little lifesaver – the 3M 9703 conductive tape. I recently had to fix a flex ribbon cable on an LCD screen, and this stuff worked like magic. The z-axis conductivity means it only conducts vertically (through the thickness), which is perfect when you don't want sideways current leakage.
What really surprised me was how versatile it is. After fixing my LCD, I had some leftover tape and decided to experiment by attaching a SMIC to a circuit board. Boom – worked perfectly on first try! The adhesion is strong enough to hold components securely while maintaining excellent electrical connection.
The package arrived quickly with five 4-inch squares, which gives you plenty to work with. I've used similar products before, but none matched this tape's combination of low contact resistance and reliable bonding to various surfaces like aluminum and stainless steel.
While one reviewer mentioned having trouble, in my experience the key is proper surface preparation. Clean your surfaces thoroughly before application, apply firm pressure, and you'll get consistent results every time.
For anyone working with flex circuits, keyboard manufacturing, or LCD assembly, this tape is absolutely worth having in your toolkit. It's saved me multiple times when conventional soldering wasn't an option.