Electronics Forum: past (Page 546 of 989)

Temperature & Humidity Effects on Solder Paste

Electronics Forum | Thu Jul 16 09:22:18 EDT 1998 | Aaron Delfausse

My question is in regards to how exactly temperature and humidity affect the stencil printing process. If temperatures here at the plant in the summer are 70-73 degrees F. and relative humidity is 60-65%,to what extent will the results of the steci

Compliant Pin Conn on SMA

Electronics Forum | Fri Jul 10 08:31:03 EDT 1998 | Greg Curler

We are considering the use of compliant pin connectors on surface mount assys instead of pasting thru-hole connectors (boards can't be wavesoldered). We are looking at VME mother & daughter connectors, and compiant pin sockets that would replace PGA

Re: Solder paste inspection Equipment

Electronics Forum | Thu Jul 09 12:37:38 EDT 1998 | Wayne Bracy

| Help!! | There has to be someone out there other than Cyberoptics. Not that I think they don't have good equipment but I would like at least to have other companies to compare prices and features. If you have any names and numbers I would appreci

Re: Polyimide See Thru Stencils for Printing Solder Paste

Electronics Forum | Thu Jun 25 11:18:16 EDT 1998 | John Parsons

This type os stencil is available from: KJ Marketing Services 115-30th St. Toronto, Ontario, M8W 3C1 Phone: (416) 252-1061 Fax: (416) 253-1687 email: mail@kjmarketing.com Web Site: www.kjmarketing.com

Re: Polyimide See Thru Stencils for Printing Solder Paste

Electronics Forum | Thu Jul 09 15:09:02 EDT 1998 | ZULFIQAR

Dear Russ, What is the information source for this type of stencils? Did you get any info about the manufacturers and also any feed back from users? How widely it is used will give us a data w.r.t. its validity.Will you be kind enough to send the

Re: straddle mount connectors

Electronics Forum | Tue Jun 16 07:52:50 EDT 1998 | Jim Zanolli

| can any body help on assembling straddle mount connectors on to a board? for information on the connector - it is a berg micropak connector Teka Interconnection Systems (http://www.tekais.com)manufactures straddle mount connectors with solder and

Reflow Test Questions

Electronics Forum | Sun Jun 07 10:04:29 EDT 1998 | Bob Willis

Here is a chance to test your knowledge on reflow soldering twenty questions you should know about reflow. Have a go at the test on my Internet home page http://www.bobwillis.co.uk There will be test sections on wave soldering, PCB design, solder pa

Re: Surface Mount Solder Balling

Electronics Forum | Sun Jun 07 09:38:42 EDT 1998 | Bob Willis

If you mean solder beads at the side of chip components then download the FAQs and the process guide on solder beads which may be of interest. The documents are on my web site www.bobwillis.co.uk | We are getting solder balls after reflow of surface

Drying ICs any advice

Electronics Forum | Fri May 15 04:06:33 EDT 1998 | Alan Pestell

We had some failures on an IC package that the manufacturer has put down to moisture inside the package, leading to popcorning. This seems a bit odd, the package is a PLCC 84 which is quite thick. I have only seen this problem on thin packages. How d

Re: Stencil cleaner

Electronics Forum | Fri Apr 24 13:45:55 EDT 1998 | Scott Davies

| I use SMART WIPE for stencil cleaning but it cost too much. | Did anyone know any product that cost cheaper? | Thanks-princeton S. We use "SMT Stencil Cleaner" from JNJ Industries. It works great with paste but not 100% with epoxy. It costs us $2


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