Electronics Forum | Thu Jul 26 01:48:51 EDT 2018 | teresat2
How to select high quality PCB circuit board manufacturers？ There are many kinds of PCB circuit boards, and many kinds of high-end technical support are needed in the process and production research and development. In order to know whether the produ
Electronics Forum | Thu Oct 11 22:25:50 EDT 2001 | davef
Bruce I�m with yall. Designers and fabricators say �pins�. You say: * BGA pins are 1mm [0.039�] pitch. * BGA pads are 0.4mm [0.0157�] diameter. * BGA pins are 0.6 mm [0.024�] side-to-side. * Board thickness is ~0.4 mm [0.015�] First, as you can
Electronics Forum | Thu Jul 08 19:58:18 EDT 2004 | rtaft
Hello, I have been tasked with updating our PCB cleaning sytem, of which I know little about, and could really use some advice. We are a small company and we hand solder our electronics to IPC standards. Our electronics are mission critial communic
Electronics Forum | Tue Sep 05 16:04:43 EDT 2000 | Dave F
Pascal: Responding to your questions: 1 Do we have to dry the PCB after cleaning (sic)? Generally, nothing says you have dry the PCB after aqueous cleaning. Along this line, I received several thoughtful responses when I posted a similar thread.
Electronics Forum | Tue Sep 07 06:24:07 EDT 1999 | Steve Cheung
We are changing over to a No-Clean paste soon and l was wondering how other people tackle the issue of stencil and PCB cleaning in high-volume production. The paste we are using is Cobar 325RX and its pretty sticky stuff let me tell you! Our proble
Electronics Forum | Tue Jan 10 20:39:06 EST 2006 | aqueous
Of course there are solvents which are less harmful to the environment than others. The operative phrase is �less harmful�. As a rule, water-based chemistries are �greener� than solvents. There are some solvent blends designed for aqueous-based eq
Electronics Forum | Fri Dec 15 11:06:06 EST 2006 | Gman
Hello All, Is Ionic Cleanliness testing using say an Ionograph on No-clean assemblies a valid test? If not, why? I understand factors like PCB cleanliness but is the 1.56ug/in2 IPC criteria valid for no-clean assemblies and can an Ionograph be used
Electronics Forum | Mon Jul 17 09:12:59 EDT 2017 | barryg
Anyone recommend a good Batch type PCB cleaning system that has some cleanliness test capabilities?
Electronics Forum | Wed Jun 02 07:23:04 EDT 1999 | Earl Moon
To you all for comment and summary, The following things I like without endorsing (PCB/PCBA stuff - outside the great women in my life [many] and without [mostly]): 1) A good set of design rules 2) A good set of design rules meeting producibility r
Electronics Forum | Wed Dec 09 14:36:26 EST 1998 | Earl Moon
| Hi, I know for sure that by controlling temp. and humidity | conditions in SMT assy lines room, one gets advantage in | screen printing, adhesive dispensing, and pick&place | machines mainteinance. Does any one have any advice on why | else is a c
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