Hi Jim,

Thank you very much for your wonderful sharing of technology, no matter about semi or about solar. I really appreciate it!

Yup, totally agree with you “The Power of Sharing”. Cheers!

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Don’t worry, the one that sweats will only be used to test military equipment – hopefully they will leave that out of any combat robots. Otherwise they would need to keep refilling the sweat reservior…

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For the sake of warfare, it’s a great concept to be able to send robots in the place of humans, but I can’t imagine the sweating function is going to trick anyone into believing this is a real human, especially once they see it leaping 25 feet off the ground toward them…..

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Sure thing, simply send me an email at jhisert@indium.com with an explaination of which documents you would like, and I’ll make it happen!

Thanks,
~Jim

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Hello , Can I send some materials to my email.
Thanks

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Yes, Sikama ovens are very good. You pay a little extra but the results are worth it. I’ve had mine for nearly 5 years now and it still runs great.

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Hi Liya,
NC-SMQ80 flux vehicle is needed for indium alloy paste, but many different fluxes can be used for stand-alone flux. TacFlux 012 is used specifically for rework of NC-SMQ80 solder paste due to a similarity/compatibility. For semiconductor packaging applications TacFlux 012 is not needed because solder paste residues are not encountered. Many of the newer fluxes (as mentioned) have charactoristics better suited for various applications.
~Jim

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Jim, You mean 5RMA can work with Indium Alloys?
or only Q80 and TACflux 012 do?

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I’ve had a huge response to this entry! Although it’s not soldering-related, I can answer any of your Evo-related questions before or after work hours. The Evo X experience has been incredible so far. I’ve put about 4k miles on it so far and my only gripe is that the stock tires are HORRIBLE in snow – they are designed for performance in warm weather. With that being said, it is my fault that I have not put snow tires on so far… Winter’s almost over, right?

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Hi Jim – Thank’s for the intro. To answer your question, you will definitely see updates on what’s happening in PoP. In fact, I’ll be talking with Lee Smith of Amkor later today about their latest technologies for PoP using through mold vias. Stay tuned!

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Great idea Daryle, check out tomorrows entry for a proper reply!

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“If your still looking for that elusive data sheet that answers a general question…”

Sounds like you’re offering an alternative to the “Easy” button found at Staples. Of course we’re talking about application notes here and not buttons but the notion itself is still intriguing.

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This is the very end of an essay I received recently: ...So, in summary, the creators of Spam must be credited with the ideas of hermetically sealing to maintain freshness and durability to withstand the dangers that every can of Spam may encounter in an emergency situation. Obviously, as with the semiconductor field, packaging can be extremely important to the effect of the overall end product.

I hear you have prizes : )

- Bob B.

(Bob is local, he will be stopping by to pick up his prize-although he is far too excited about this…)

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Cheesy, but I like it…

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Spam officially means “spiced ham” however I would argue that Spam = a simple packaged meat.

This is much like our S.P.A.M = Semiconductor Packaging Materials. Both are fantastic packaged materials.

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Hi Liya,
That’s a good question. My experience is in ball attach fluxes and wafer fluxes, so that is what I am referring to, not flux vehicle or paste for SMT-although I am sure the same design principle is used.
~Jim

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Jim, are you reffreing to SMT fluxes too? Indium3.2, Q65, 6.2/6.3?

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Hi Mickael,
This is very common indeed. The magic number is 350 for processing Au/Sn-here’s why: Below 350degC you should use a flux. Tacky fluxes are best for holding the spheres in place. TacFlux 007 is used most for this operation. Above 350degC a flux will not work, that’s the point where you want to reflow the spheres in a forming gas atmosphere. You wouldn’t use a forming gas atmosphere at lower temperatures because it starts full activation at ~350degC. I hope this helps!

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Do you have more details or information of AuSn spheres soldered on Ni surface. Thks

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Nice work for a tourist! Seriously, good job as you gave me an idea! Bill.

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Awesome idea, Jim. So, I stole it!
You are always out in front.

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Hello Dave,
That’s a great question – it’s worthy of much more than a brief comment! I look foward to posting an entry devoted to solder joint reliability within the week if possible. If you are patient enough to wait – that’s fine, but you can always reach me at (315)853-4900 ×7592 to chat about this or any other topic.
All the best,
~Jim

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I would like to more about the process variables and how they effect the reliability of the solder joint. Thanks
V/R
Dave

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The Asimo Robot is pretty amazing as well, thanks for sharing that with us Hu Di!

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Hi, Jim

I think you are may interested in Asimo Robot:)

http://world.honda.com/HDTV/ASIMO/New-ASIMO-run-6kmh/

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Wow! I have never heard of this – and hadn’t imagined robotics to have advanced this far (revealing my ignorance).

These capabilities indicate a HUGE amount of potential. Imagine using a fleet of these to carry injured people out of a danger zone, or to transport items into a hazard area – or an area that can’t support life.

I’d love to see a fun competition amongst a team of Big Dogs. That would be cool.

I can envision a Will Smith movie where a helicopter drops twenty of these things into a danger zone and they dart in different directions, dropping cameras, snares, supplies, etc. to catch the bad guys and support the good guys. Cool!

I wonder where these will see first use (or have they already???). Imagine being a terrorist sitting on a rock somewhere, watching one approaching. That would be a moment! Thanks for enlightening me.

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WOW! And I thought AIBO was creepy!

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A lot of camera phones have LEDs built in for flash already. I have the luck (or curse?) of having a Windows Mobile based phone, where I can get a program to turn on the flash. It is also possible to do from the camera application. Bright enough to walk around in a dark room at night! So get yourself an up to date phone and hack away ;)

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That is one of the best ideas I’ve heard in a long time!!! I use my cell as a flashlight all the time, but its HARD to find my way across my bedroom in the middle of the night with just the glow from the tiny screen.

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Thanks mate! I wonder why it didn’t catch on with other models?

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Mobile with torch light – i know nokia have done some phones with them !!!

http://www.mobile-phones-uk.org.uk/nokia-1100.htm

Also Nokia 5140 and 3200 have torches…i think there may even be more:o)

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Thank you – that means a lot coming from my blog guru!

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I delcare this the coolest Indium Corporation blog posting of Q1 2008.
Awesome!

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Thanks for the interest!
The particle size for Au/Sn paste is dictated by the customer. Common applications use type 3 (25-45 micron), type 4, type 5, and type 6 (5-15 micron) powder sizes.

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I want to know the Au-Sn paste Particle size.

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I want to know the u-Sn paste Particle size.

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Thank you Gulf, I appreciate your interest and support!

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Hi Buddy,
You did much research on these advanced material application, and share with us, thanks for your great job.

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Thanks Jeff,
It really is amazing that the semiconductor packaging industry (in general) doesn’t bother to measure flux deposits – yet.

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Jim: Nice imagery of the printed flux deposits. I think our industry is somewhat deficient in the knowledge presently available on evaluation of flux deposition processes based on quantitative evaluation of discrete deposits. There is another company I have seen recently advertise flux deposit inspection capability, Cyber Technologies. It will be interesting to see if the industry responds by adopting these “new” tools to provide us greater detail on flux deposition process control.

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