Electronics Forum | Wed Aug 21 07:24:12 EDT 2002 | bayanbaru
What is the correct method to bake or cure the component?Standard baking practise by us is to place the units into oven at 125 �C for 8 hrs directly. But I was told that the correct baking practise is to cool down the Baking Oven to Room temp and onl
Electronics Forum | Tue Feb 06 18:12:46 EST 2001 | davef
Pete makes great points. Taking a slightly different angle, use your placement equipment's software to help you. It keeps track of the number of picks and attempts for each location. Study these numbers for a week and determine the capability of p
Electronics Forum | Thu Oct 16 15:30:19 EDT 2008 | bickt
Thanks for the reply. Yes she looks out for herself and best deal. When I first came on board here she was buying QFP'S from brokers rather than doing the right thing I had to speak out even though i was new. it turns out i was right warning them
Electronics Forum | Fri Apr 25 10:12:08 EDT 2014 | rgduval
Whatever software was used to create the drawing that you shared should be able to indicate pin 1 of the devices. If it is based on the CAD information, there should be a setting somewhere to turn on pin-1's. If that drawing was created manually, t
Electronics Forum | Fri Aug 16 11:13:17 EDT 2002 | kenbliss
I have a question for everyone about component baking. In my view this is rework. The component was manufactured and shipped correctly and should not need baking in order to use it. Some how in storing the component in a stockroom atmosphere (I as
Electronics Forum | Tue Sep 03 18:14:35 EDT 2002 | fmonette
I have never heard about a requirement for temperature ramp-up for baking components at 125C. In general the concern for delamination with moisture sensitive components starts above 200C (peak body temp). Most important is you should bake your com
Electronics Forum | Thu Oct 16 07:38:35 EDT 2008 | rway
There are seconds when it comes to components. Find out what her sources are and if she is purchasing from a reputable vendor. She may be doing what all purchasing agents do, and that is finding the best deal out there. Especially if her review de
Electronics Forum | Fri Aug 16 18:23:48 EDT 2002 | kenbliss
Hi Dave Interesting points. If I understand you correctly 1. about 2% of part numbers have a moisture problem 2. Packaging frequently comes in with expired dates on them. This seems hard to believe you would accept them. 3. To really solve the
Electronics Forum | Thu Sep 12 11:50:58 EDT 2002 | stepheno
http://www.jedec.org/download/search/jstd020b.pdf http://www.jedec.org/download/search/jstd033a.pdf The above links are for JEDEC standards regarding moisture sensitivity. SMT magazine has an article a few months ago regarding a company that saved
Electronics Forum | Tue Oct 18 15:43:48 EDT 2005 | SMT Rookies
I was wondering is there is any school or training besides books and tech conference for SMT.
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