Electronics Forum: soldered (Page 1926 of 2103)

Ceramic subtrate with silver/palladium surface finish

Electronics Forum | Fri Jul 23 09:12:34 EDT 2004 | davef

We have run not AgPd [that we know of]. We can comment on PdNi. [But you're probably have Ni under the AgPd] In general, palladium solution rate is much slower than other sacrificial finish materials that we use for the purpose. The key then is to

Can excessive reflow(longer dwell time) cause open joint?

Electronics Forum | Thu Jul 29 00:42:32 EDT 2004 | C.W

hello, BGA was a little excessively reflowed with dwell time(above 183C - solder paste = 63/37) over 2 min, peak temp is 218C. I inspected the BGA under X-ray and there is a little voids but within the acceptable range, i then used the Ersascope to c

Solid Solder Deposit

Electronics Forum | Mon Aug 09 10:30:25 EDT 2004 | AJ

celldude, I have a couple more questions for you. Where can one look into getting these machines necessary for SSD? Also, knowing that the machines are expensive..Does your company find they are saving money (in the long run) by using SSD? More spec

Solid Solder Deposit

Electronics Forum | Mon Aug 09 15:49:16 EDT 2004 | celldude

We have definitely seen money saved. There is a lot less rework after reflow. Money is also saved in overtime. for example...when we are building a first article board with many placements, it is not always possible to get the first board through the

soft gold vs immersion gold

Electronics Forum | Mon Aug 16 20:32:10 EDT 2004 | davef

First, we didn't say "electrolytic soft gold with a minimum thickness of 5-8 of Au". We said, "'electrolytic soft gold' thickness 5 to 8uin". FOCUS. ;-) Second, we're unaware of an industry accepted specification that you can reference. IPC-2221

Foam Fluxer

Electronics Forum | Tue Aug 17 15:52:47 EDT 2004 | MikeF

Here's an old thread from the archives that has some info on fluxer stones: http://www.smtnet.com//forums/index.cfm?fuseaction=view_thread&CFApp=1&Thread_ID=5780&#Message22853 Also, DaveF recently posted this info: Tim: We haven't bought a stone i

Wave solder: Vitronics-Soltec vs. Electrovert

Electronics Forum | Thu Jan 12 12:45:25 EST 2006 | johnw

Hi Greg they are a few Nousstar machines in the UK and you will see many more. This machine is going to be very popular in the uk and Europe we purchased 2 and the quality is excellent and the control and design is excellent Check out the Altus group

Wave solder: Vitronics-Soltec vs. Electrovert

Electronics Forum | Fri Jan 13 07:54:27 EST 2006 | johnw

Hi Rob we had Electroverts and the cost to convert them was just crazy and the nozzles and specification would never have really be able to run leadfree as for life of the machine, I was able to see the machines running some for had been running 24/7

Wave solder: Vitronics-Soltec vs. Electrovert

Electronics Forum | Fri Jan 13 22:57:19 EST 2006 | John

The New Redesigned Vectra , should fit right into the same price range as most mid-range wavesolder machines offer by most. We are looking to replace a existing Delta Wave and found the pricing about the same.But The upgrade prices can be high for no

Reflow oven

Electronics Forum | Thu Aug 19 12:35:27 EDT 2004 | rlackey

Hi Snehal, Here are some considerations for you: Will you be doing Lead free soldering in the near future? What level of throughput are you looking for - are you high volume, medium or low volume? What is the support network like in your area? W


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