Electronics Forum: said (Page 29 of 180)

Re: solder balls and flux

Electronics Forum | Wed Mar 01 10:46:26 EST 2000 | Robert Hartmann

Kelvin, Thanks for the help. The actual opening size is .440 mm, but I think what you said makes sense. After discussing with the customer, it looks like it is the height which matters, more than the diameter. We have learned that the height of t

Re: unidentified component

Electronics Forum | Mon Feb 21 22:36:19 EST 2000 | Dave F

Cedric: I know you said "5KE36CA." Motorola, Fairchild, and some others make a zener transient suppressor 1.5KExxCA. The CA suffix makes it bidirectional. Actually, Motorola is no longer in the business. On Semiconductor (www.onsemi.com) sells t

solder balls

Electronics Forum | Wed Feb 07 16:14:54 EST 2001 | Antonio

I've recently read a posting here which said that the person was trying to reduce solder balls. One of the things the person had done was to adjust the reflow profile so as to be hotter and longer in the reflow state. Am I wrong here? I thought th

Bottom side process question

Electronics Forum | Wed Mar 14 17:33:42 EST 2001 | davef

Check Bob Willis' site. He calls this Single Side Multipass Endothermic Elongated Happy Reflow Soldering, er someting like that. Ha ha ha!!! Naw, he calls it Simultaneous Double-Sided Reflow Soldering. That might be something like you are talking

Solid Solder Deposit

Electronics Forum | Wed Oct 17 08:58:05 EDT 2001 | davef

Thank you. I never said that Sipad, Precision Pad, Optipad, and SSD were not available in the US. Are you saying that these products were not developed in Euroland? Please provide links to papers describing the reliability, cost, list of multiple

Solder Paste

Electronics Forum | Wed Jul 25 16:06:35 EDT 2001 | cnotebaert

As Dave said you should be concerned about separation. If you open the jar and see that the flux has separated from the paste ditch it. I guess I am a little more hesitant than others, I would discard the material and use fresh. You have to way the c

Re: Desiccators

Electronics Forum | Wed Dec 29 09:01:14 EST 1999 | Bill

Hi, Justin, As Dave F said in his follow-up, Aerofeed manufactures desiccators of the nitrogen purged type. I'm not sure what your exact requirements or goals are, but I'll be happy to discuss your problem with you if you'll give me a call. We may b

Re: Printing forum items

Electronics Forum | Sat Dec 04 10:12:55 EST 1999 | Michael Bryant

Bill, As Cunli said, there is a link at the top of each message page that will pop open a printer friendly version. Before we added that feature, the only solution was to print the page in landscape mode. The printer friendly version is not a fixed

Re: How are your solder balls @ wave solder ?

Electronics Forum | Thu Oct 14 07:55:48 EDT 1999 | JohnW

Sorry Dave should have said... At the mo all my data is for no clean processes using both matte and gloss finishes. That doesn't mean your feedback has to be limited to this area, I'm really trying to find out what the rest of the world are doing if

Re: Solder paste tube disposal

Electronics Forum | Fri Aug 27 18:01:04 EDT 1999 | Earl Moon

| Recently, our solder dross reclaimer refused to take our | used solder paste tubes. He said the small percent of paste | remaining in the tube is now considered hazardous waste. I'm interested in advice on how others are disposing of this "hazardou


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