Electronics Forum: viscosity in smt (Page 7 of 49)

voids in solder

Electronics Forum | Tue Mar 06 03:29:05 EST 2001 | daled

Hello I am looking for any data that confirms the long term reliabilty of no clean paste as opposed to water soluable. Does anyone have any past experiences of problems when changing over from water soluable to no clean in the SMT prcocess?? Thanks i

Contract manufactuer in China

Electronics Forum | Tue Nov 19 09:28:11 EST 2002 | Vito

I need information about SMT contract manufactuer in China or region. I will appreciate if someone could give me some references! thank you

Porosity in Good Plating

Electronics Forum | Mon Jul 07 23:27:41 EDT 2003 | MA/NY DDave

Hi Sam, I am going to guess that a problem is being caused by processing to effect the inside of the LED package. Send some failed LEDs back to the manufacturer to do a failure analysis. Also ask the manufacturer for info on their SMT processing q

Porosity in Good Plating

Electronics Forum | Wed Jul 16 21:48:43 EDT 2003 | sam

Dave, I believed you are really experienced in SMT soldering process. What I meant good connection, should really be "Visual check by naked eye OK". From your message, there are situation of "marginal solderability" that will lead to uncertainty

Join venture in PCBA

Electronics Forum | Mon Apr 05 20:21:16 EDT 2004 | marcowong

Dear Jason, No. we are located in Penang, Malaysia. We have 1 SMT line, 30,000 sqft of built up area and people and we are looking at business join venture with someone who has a some facilities and wants to utilise our what we have.

Humidity in SMT room

Electronics Forum | Sun Feb 19 12:16:12 EST 2006 | slthomas

Where in the world are you? Is it naturally that dry and you'e trying to keep it up, or do you dry it to that state? 'round here 40-45 is the norm so we don't put much thought into controlling it.

Electronics Manufacturing in Morocco

Electronics Forum | Fri May 05 16:33:59 EDT 2006 | proy

Does anybody here have experience or know of anyone; 1) making PCBS 2) Assmebling PCBs T/Hole and or SMT in Morocco. Pete

Electronics Manufacturing in Morocco

Electronics Forum | Sun May 07 07:25:54 EDT 2006 | dismon

Dismon Electronica S.L. is situated in Spain and dedicates to PCB assembling both SMT and THT. You can visit http://www.dismon-electronica.com and contact us if this is of your interest.

problem in solderability

Electronics Forum | Fri Aug 29 02:47:31 EDT 2008 | omid_juve

i read in smt soldering handbook that by placing the device in a 125`c within 48 hours the moisture will be removed what do you think about this method ?

Smt parts in strips

Electronics Forum | Wed May 09 11:40:28 EDT 2012 | gnus

Teaching trays (considering you already have the package in your library) takes about 2 mins. Really comes in handy for small batches when ICs/BGAs are supplied in small strips.


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