chip-quik substitutes?

Has anyone found any lower-cost substitutes for Chip-Quik solder?

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Jim Yanik
jyanik
at
kua.net
Reply to
Jim Yanik
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For those of us who haven't heard of Chip-Quik, here's some info from the chipquik.com website:

How to remove a SMD chip from a PCB:

First, apply paste flux generously to all the pins of the SMD to be removed. Flux is important because it removes oxidation and enhances wetting. Secondly, use a solder iron set at 500 to 600Deg. F with a flat chisel tip. The size of the tip will depend on the size of the chip leads. With the solder iron, melt Chip Quik low temperature alloy (136Deg.F) along each side of SMD. Thirdly, continue running the iron along pins until a bead of alloy is formed all around the chip. Maintain the alloy in a molten state long enough to combine with the interconnect solder (melts at 361deg.F) between the pin and the pads. Once the Chip Quik mixes with the interconnect solder, we now have a molten mass of a new alloy with a low melting temperature below 200deg.F. At this new low melting temperature the pins stay in a molten state long enough to easily remove the Chip. In most cases the chip will easily slide off the pads when it is fully molten. Finally, when the SMD is held down with an adhesive, applying pressure with a dental pick will pop off the chip. As long as all the pins are released, you will not lift any pads. This procedure will eliminate all potential damage to the PCB.

Reply to
Jim Land

found this by way of google. don't know if it's cheaper

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Reply to
kell

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