Order by: Relevancy | Date
Dec 27, 2019 | Dear Team, We are facing open solder issue in a sensor component. Rejection rate is 2 out of 50 c
Jun 25, 2019 | That is possibley CTE mismatch between QFN and PCB material, the thicker PCB the higher fail rate.
Oct 30, 2018 |
Apr 2, 2018 | 6/400 per week seems high? 1.5% failure rating, technically close to 75% annual failure rating. Is
Mar 2, 2018 |
Aug 10, 2017 |
Jan 14, 2015 | MSL rating is not tied to a specific package type/size. I have seen 2 components (ICs) have the sam
Jan 13, 2015 |
Feb 20, 2014 |
Apr 16, 2012 | 6 or 7 replies and 3 *flamer* ratings already? And here I thought this was good info above...
Aug 26, 2010 | Hello all, I have a few CP43's and am struggling to find their air consumption ratings. I found t
Jul 6, 2010 |
Apr 15, 2010 | Dross formation rates for SnCu and SAC are roughly 2.5 times the rate for SnPb (Hwang et al., 2004)
May 25, 2009 |
Mar 2, 2009 | That might because every CM has a different overhead rate. In general, your costs should be mater
Feb 3, 2009 | I would also suggest looking at your ramp rate in the cure oven. We noticed that accelerated heatin
Aug 8, 2008 |
Jul 4, 2008 | Try a linear, very flat ramp rate on the order of 0.5 degrees celcius per second. I know this is ha
Apr 23, 2008 | Floor life of a PCB is rated in years. Are you asking about the solder paste or something else?
Mar 18, 2008 |
Feb 18, 2008 | SN100C contains no phosphorus. It has a dross rate equal or lower than tin-lead solder, where as SAC
Jan 23, 2008 | Ventilation rates express the flow rate of outside air brought into a building and are typically nor
Jan 22, 2008 | A minimal ventilation rate of 0.05 cfm per square foot, the recommendation of the 1998 International
Jan 22, 2008 | Not quite correct Jon. Ovens will use roughly 1/2 their rated power consumption at temp. but will dr
Nov 19, 2007 |
Nov 17, 2007 |
Aug 31, 2007 |
Jul 13, 2007 | Good afternoon, Heating/Cooling rates contribute to warpage most of all. Try to tweak you profile
Jun 27, 2007 |
Feb 18, 2007 |
Feb 16, 2007 | Hi Darby, Where did you get the info. that cooling rate is not-as-critical for lead-free? I'm no
Feb 13, 2007 |
Feb 1, 2007 |
Jan 4, 2007 | 1) determine the rate of cleaning frequency related defects your production can tolerate. 2) determi
Nov 13, 2006 |
Nov 10, 2006 |
Oct 18, 2006 | Hi all, If a component is rated as Peak Temperature 225 DegC. Is there a safety factor built into
Oct 6, 2006 | Mario, what happens when there are components on the boards that are not rated to take temperature
Jul 5, 2006 | Is the flux rated for lead free? These higher temps will cause most lead rated fluxes to burn off p
Jun 21, 2006 | Unless it was an x-rated tool built by a woman.
Jun 5, 2006 | Our experience has been similar to yours. Not the best placements rates for 0603 caps. I can't tel
Mar 27, 2006 | Is the flux rated for lead free temps?
Mar 8, 2006 | I was wondering what type of machine would be the best for high production rate of small pcb boards.
Feb 28, 2006 |
Feb 20, 2006 |
Feb 17, 2006 | I depends on your components, your ESD program, and the max rating your equipment can deal with.
Jan 18, 2006 | That is an interesting idea. Would the air circulation increase the rate of oxidation on the compone
Jan 9, 2006 | I'm new on this, what's the standard rate for each placement on passive and active components and ho
Nov 29, 2005 | The dissolution rate of nickel into tin is a lot slower than that of copper [into tin]. This results