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marcopol
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re: Self-healing system repairs broken wires, traces
marcopol   1/5/2012 11:23:40 AM
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The repairing material is liquid, right? What happens if the device is used upside down and breaks?

selinz
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re: Self-healing system repairs broken wires, traces
selinz   12/27/2011 11:02:23 PM
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The only way way that this technology makes sense is if something needs to be field configured and there is no "soft" way to do it. I agree with DrQuine. The cost and extra space associated with the technology is likely better spent on redundancy or more robust technology that is likely to be lighter/more efficient.

TFCSD
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re: Self-healing system repairs broken wires, traces
TFCSD   12/26/2011 4:23:26 AM
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no, it was 30+ years ago.

mosheg
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re: Self-healing system repairs broken wires, traces
mosheg   12/25/2011 11:06:52 AM
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Maybe they could somehow cause the ruptured microcapsules to also excrete some sort of florescent substances so that you could visually identify the area that was damaged once the machine/air/space vehicle returns for maintenance.

Sanjib.A
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re: Self-healing system repairs broken wires, traces
Sanjib.A   12/25/2011 7:23:56 AM
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I think it is simpler than that. It is mentioned that the crack intercepts the capsules in that area and those capsules break open and repairs the crack. This good that the conductors could be repaired even when the system is not powered up. I wonder what metal are they using inside microcapsules.

larchlou
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re: Self-healing system repairs broken wires, traces
larchlou   12/25/2011 3:37:15 AM
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Do you have more information on that book? Author? ISBN, etc?

Dave.Dykstra
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re: Self-healing system repairs broken wires, traces
Dave.Dykstra   12/24/2011 5:12:16 AM
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Very interesting. This could have very wide-ranging applications and could revolutionize our ability to keep things functioning in isolated environments, or in hazardous environments. I hope this can be easily and economically employed.

DrQuine
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re: Self-healing system repairs broken wires, traces
DrQuine   12/23/2011 3:32:28 PM
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We don't want to be "healing" into a different circuit configuration. How much additional space between conductive traces is required for self-healing circuits? Are there test protocols to ensure that the correct linkage has been restored?

wilber_xbox
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re: Self-healing system repairs broken wires, traces
wilber_xbox   12/23/2011 3:28:32 PM
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Does the microcapsules rapture releasing the material? then the capsule cannot be reused. Wouldn't it be better if a thin layer of a phase changing material be applied and controlled.

TFCSD
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re: Self-healing system repairs broken wires, traces
TFCSD   12/23/2011 6:29:34 AM
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I vaguely remember a book I read in the late 70's called "Bionics" that talked about self healing electronics with a similar approach as this.

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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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