Electronics Forum: no and clean and process and vs and clean (Page 1 of 1)

Gold plated board, with csp's and 0603 with no clean apetures

Electronics Forum | Wed Oct 02 18:18:58 EDT 2002 | davef

The steadfast rule of thumb is: In order to get reliable reflow, you need to be at or higher than [liquidus + 20�C] for about 5 to 10 seconds, rather than those old "60 seconds above 183�C" guideline. This provides for setting your peak based on the

Gold plated board, with csp's and 0603 with no clean apetures

Electronics Forum | Thu Sep 26 14:43:43 EDT 2002 | Jim M.

unsure of what solder spec. your working to?.IPC/EIA J-STD-001C, Section 9.2.4 clearly states dull, matte, gray or grainy appearing solders are accpetable depending on your process and if the acceptability of the neaxt paragraph is met.IPC 610 and J-

Pad and Stencil Design

Electronics Forum | Tue Sep 18 15:35:23 EDT 2001 | jschake

A laser cut stainless steel stencil was used exclusively for the evaluation of the complete 0201 assembly process, which addressed printing, placement, and reflow. However, I have also conducted off-line 0201 print tests using a nickel electroformed

Re: BGAs and vapor phase

Electronics Forum | Mon Jul 19 11:11:18 EDT 1999 | Wolfgang Busko

Perhaps a little hard to find but is there anyone who uses a vapor phase process to solder populated card with BGAs. I am interested in the success rate of such a process. It is obvious that the throughput is reduce vs a convection oven but still t

Re: Adhesive Dispenser Vs. Screen Printing Adhesives Pros and Cons

Electronics Forum | Thu Oct 12 22:16:59 EDT 2000 | Dreamsniper

Hi Guys, I'd like to share this to all of you...you can start playing with the rests...Stated prices, if not indicated, are in Aussie $ or Singapore $. Stencil Printing Adhesive Pros a) Less Capital Equipment Cost (Short Term). In reality it is f

Re: How to convince management on buying Equipment ? ---For Dave F, Wolfgang, Moonman and the rests!!!

Electronics Forum | Wed Oct 04 14:54:46 EDT 2000 | Sean

I feel Woldgang poses an interesting question. It seems you have already decided that dispensing is the path you wish to take. Yet can you tell us why? Is there a flexibility vs. throughput arguement here? Justification of dispense via the cleani

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