Electronics Forum: not and washed (Page 1 of 10)

Batch cleaner not getting PCBs clean and dry

Electronics Forum | Thu Dec 08 12:39:39 EST 2016 | deanm

We have a name brand aqueous batch cleaner that uses a chemical and DI water to clean ROL0 flux from our PCBs. It does ok most of the time for SMT boards and we want to include through hole assemblies as well which should be a better cleaning process

Board change and solder not adhereing completely

Electronics Forum | Fri Apr 06 04:10:25 EDT 2001 | kensmoke

We recently had a multi block panal change at the vendor Now the production lines are producing solderability defects in great number. The makeup of the pcb is a type of fiber glass mask green in color and pads with no tinning just copper lands.

Board change and solder not adhereing completely

Electronics Forum | Fri Apr 06 08:27:09 EDT 2001 | CAL

From what you are saying................If I hear ya correctly - There is no "Proctective" on the Pads (OSP, HASL....) You will be hard pressed soldering to bare copper. This can not be right. My suggestion- go polyimide with electroptical connecti

Board change and solder not adhereing completely

Electronics Forum | Fri Apr 06 08:28:34 EDT 2001 | CAL

From what you are saying................If I hear ya correctly - There is no "Protective" on the Pads (OSP, HASL....) You will be hard pressed soldering to bare copper. This can not be right. My suggestion- go polyamide with electroptical connectio

Board change and solder not adhereing completely

Electronics Forum | Fri Apr 06 08:36:13 EDT 2001 | Cal

Sorry about the double post.........my Vanna White spell check crapped out on the first reply.

To clean or not to Clean??

Electronics Forum | Sat May 29 16:04:49 EDT 1999 | M Cox

I have always thought it to be a good practice to wash SMA's with water soluble paste (WS609) soon after reflow. Is there a time limit as to how long a board should sit after reflow before washing said board? For instance; processing a double-sided

Batch cleaner not getting PCBs clean and dry

Electronics Forum | Thu Dec 08 22:57:45 EST 2016 | ttheis

I'm not too experienced with this but what about an air-blast with an ionized air source such as an air knife above and below a conveyor to push most of the fluid off of the pcba then run through an oven just above vaporization temperature.

Batch cleaner not getting PCBs clean and dry

Electronics Forum | Fri Dec 09 00:19:51 EST 2016 | aqueous

Hi Dean, We are a manufacturer of cleaning equipment. I'm not sure if your machine is one of ours or another brand. Regardless, I am happy to provide assistance. In order to maximize the level of "helpfulness", it would be helpful for me to know mor

Re: To clean or not to Clean??

Electronics Forum | Mon May 31 21:50:59 EDT 1999 | Dave F

I have always thought it to be a good practice to wash SMA's with water soluble paste (WS609) soon after reflow. Is there a time limit as to how long a board should sit after reflow before washing said board? For instance; processing a double-

Re: To clean or not to Clean??

Electronics Forum | Mon May 31 15:09:56 EDT 1999 | JohnW

I have always thought it to be a good practice to wash SMA's with water soluble paste (WS609) soon after reflow. Is there a time limit as to how long a board should sit after reflow before washing said board? For instance; processi

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