Electronics Forum | Thu Feb 02 10:10:20 EST 2023 | tommy_magyar
Perhaps google this, as you will find very interesting articles. For scientific explanation look up solder fatigue on Wikipedia with references added. A more in depth explanation you can find on the Digikey forum where you will find other people like
Electronics Forum | Thu Feb 02 09:07:28 EST 2023 | charles_nguyen
Two types of land patterns used for surface mount pads are non-solder mask defined or NSMD pads and solder mask defined or SMD pads.Each type has its own advantages and disadvantages. There is a statement that SMD pad type may introduce stress concen
Electronics Forum | Mon Feb 06 17:58:16 EST 2023 | davef
The September 29, 2022 Express Newsletter [ https://smtnet.com/express/index.cfm?fuseaction=archives&issue=20220929 ] has papers on chip cracking
Electronics Forum | Wed Feb 08 09:43:08 EST 2023 | charles_nguyen
Thank you for the above information but what I want to talk about is the PCB design aspect. Should there be any warning about it in the DFM?
Electronics Forum | Fri Feb 17 19:23:05 EST 2023 | SMTA-64387083
Read the articles everyone else recommend. I haven't read of them but I will say this. A Solder Mask Defined pad is a copper flood that has much more thermal mass than a Non-Solder Mask Defined pad so it will heat and cool at a slower rate. I suspect
Electronics Forum | Thu Apr 08 10:04:08 EDT 1999 | Michael Bryant
Bob, Thank you for posting an extremely relevant technical question to the Forum. However, the entire message was posted in the subject line and the body was left blank. In the future, please use the subject line to summarize your message, and type
Electronics Forum | Fri May 27 11:12:04 EDT 2005 | Ray
We have switched from Uniscam due to support issues and their ablity to come out with a new USABLE version. We have been running it for close to 2 years now and we have been extremely happy with its performance and their support. Version 6.0 which
Electronics Forum | Thu Jan 24 15:57:43 EST 2013 | ccouture
as you know, alcool is extremely flamable, the vapors are hazardous, prolonged contact with skin is not recommended, etc...
Electronics Forum | Fri Jan 24 16:13:24 EST 2020 | dwl
what does the PCB go into? Is it for use in an extreme environment?
Electronics Forum | Fri Mar 25 05:16:14 EDT 2022 | paddymanoj
I am extremely sorry for the mix up. The machine is MY9.
