Electronics Forum: ultrasonic (Page 1 of 48)

ULTRASONIC WELDING

Electronics Forum | Wed Mar 05 09:34:32 EST 2003 | HAROLD LICHT

WE HAVE A NEED TO BOND SOME LOW TEMPERATURE LED'S TO A THIN CIRCUIT BOARD LAMINATED TO A HEAT SINK. HAS ANYONE USED AN ULTRASONIC WELDER TO WELD COPPER GUL WING LEADS TO A COPPER PAD USING ULTRASONICS? IF NOT HAS ANYONE USED RESISTANCE SPOT WELDING

Ultrasonic Cleaners

Electronics Forum | Mon Jun 16 22:50:07 EDT 2008 | davef

In the late 80s or early 90s, National Physical Laboratory (NPL) in the UK researched the frequencies and power levels that could be used for ultrasonic cleaning of electronic boards. The resulting reports by Dr. Colin Lea or maybe Peter Foote were a

Ultrasonic Cleaners

Electronics Forum | Mon Jun 16 13:51:13 EDT 2008 | dyoungquist

We are adding water soluble flux in our manufacturing. I need to add an ultrasonic cleaner to clean the pcb assemblies. I am looking for a table top unit that can handle boards up to 10.5" x 17". We run high mix/low-medium volume. Any suggestions

Ultrasonic Cleaners

Electronics Forum | Mon Jun 16 14:40:21 EDT 2008 | fredc

Try Crest-ultasonics.com Their sales people can help you with the right model number for your application. We have a couple of smaller units with years of service. Ask and see if circuit boards are an appropriate application. Ultrasonic cleaning is

Ultrasonic Cleaners

Electronics Forum | Mon Jun 16 16:18:44 EDT 2008 | dphilbrick

We have used good industrial dish washers in the past. We washed very dense SMT boards with mulitiple BGA's. they always passed Ionic tests. You can buy these for as little as $500. The less expensive ones won't hold up to 140F water and suponifier b

Ultrasonic washing for boards

Electronics Forum | Tue May 10 15:58:11 EDT 2005 | r.s.matrix@gmail.com

just want to know the pcb of ultrasonic cealner to make a one

Cracked Joints & Ultrasonic Welding

Electronics Forum | Tue Nov 01 09:57:18 EST 2005 | Chris

Hi, I am experiencing cracked solder joints on ceramic resonators after the ultrasonic plastic weld process. PCB assy is placed into plastic housing and then housing halves are ultrasonic welded. Not a soldering problem. I know this component is

Ultrasonic wash for BGA

Electronics Forum | Thu Oct 05 10:25:13 EDT 2017 | davef

Consider ... * National Physical Laboratory (NPL) [http://www.npl.co.uk] did an extensive amount of research on proper frequencies and power levels for ultrasonic cleaning, maybe in late 1980s or early 1990s. That report might help you sort through

Ultrasonic Board Cleanng

Electronics Forum | Mon Aug 22 15:54:32 EDT 2011 | dyoungquist

Check out Zenith Ultrasonics. We bought a table top ultrasonic cleaner from them to clean our electronic assemblies. Our process has been working well for us for about 3 years now.

Ultrasonic wash for BGA

Electronics Forum | Wed Oct 04 21:21:21 EDT 2017 | duchoang

For some reasons, we need to wash our BGA boards in ultrasonic washer in order to clean all flux residue under BGA. We use Ultrasonic cleaner with 40 KHz. Should we or shouldn't we do that. Pros and Cons ? Any idea appreciated.

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