Electronics Forum | Thu Apr 19 11:45:34 EDT 2007 | Cal
Hi PeteB... I dont think you will find any Specs...but that I do not know. What I do know is it depends on the make up of your PCB and Components. Obvious haveing components that may be sensitive to heat the less you want to run or pass through. Re
Electronics Forum | Wed Nov 23 10:34:39 EST 2011 | ahamid
What is the Industry standard for number of fiducials on PCB. Is it just 2,3 or 4 for good placement.Any reference to IPC or any other standards to support your suggestion.
Electronics Forum | Fri Dec 02 16:26:00 EST 2011 | davef
Here's some recommendations from various companies: * http://www.sibex.com/pcbguidelines.pdf * http://www.carltonindustriesonline.com/Docs/Fiducial.doc * http://www.tracktronics.com.au/pdf/PicknPlace_Fiducials.pdf * http://microtronix.co.za/pcb_re
Electronics Forum | Fri Nov 25 15:52:40 EST 2011 | davef
"IPC-2221 - Generic Standard On Printed Board Design" talks to fiducials. Anther take on fiducials says they shall meet the following requirements. * Make fiducials 1 - 1.5 mm diameter circle. * Cover fiducials with tin. * Keep solder mask opening at
Electronics Forum | Fri Jun 04 11:38:47 EDT 2021 | bangir
Hi All, Do you have any experience for LGA component rework on SRT equipment? Please share how to re-soldering the LGA component to PCB pads. Thanks
Electronics Forum | Sat Feb 05 14:51:49 EST 2005 | etienne
One important thing to look at, when buying an AOI is the False Calls Rate, along with tact time of machine to inspect the PCB. Obviously, many machines can do the the work....but it's also true that each machine differ from the way it do the work. S
Electronics Forum | Tue Sep 22 00:51:53 EDT 2009 | rohitfast
In our industry we are producing PCB on which generally number of total component is around 2000. My query is maximum how many component or CRD we can rework in a single board, and what should be the criteria to scrap the board? Is there any specific
Electronics Forum | Mon Jun 27 08:18:47 EDT 2022 | kelvinchoong
Hi All, Appreciate any inputs that may be given. Currently i am operating VP6000 Vapour Phase Reflow Oven from ASSCON. Over the last 2 years, we have around 100 different Recipes for many different PCBs. Each recipe is adjusted(6 Different Paramete
Electronics Forum | Wed Jan 06 23:49:48 EST 1999 | Chris G.
| Hey All you Einsteins out there!! | | I gotta' problem...('course you do Steve, or you wouldn't be bugging the TechNet now would you?) I had a phone call from a acquaintance of mine wanting to bring two prototype boards over to rework a BGA socket
Electronics Forum | Thu Aug 06 09:51:20 EDT 1998 | Bob Willis
This text may be of interest to any one with tin lead spots Guide to Solder Spots - A New Plague in Manufacture ? So what are solder spots ? They appear to be the next big problem in modern reflow assembly in fact in any process that involves solder
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