From One Engineer to Another

Tabbing Ribbon Flux for Solar Assembly

Tuesday, May 12, 2009 by Jim Hisert [Jim Hisert]

If you're new to PV module assembly (tabbing in particular), you're probably trying to get a feel for all the needed materials.  This part is a little like getting all the materials you need to cook dinner.  You need to get EVERYTHING that is required – so you don't have to go back to the store for ¼ cup of milk (or in this case, a pint of flux).  In previous posts we've talked about tabbing ribbon [1, 2, 3], as well as tabbing flux.  It is important that both of these products are used during tabbing.  The flux is used to remove oxides on the surface of the tabbing ribbon (the solder coating) and promote wetting to the metallization paste.  Liquid flux is generally used for this application, and it is applied by dipping the ribbon into it.  Feel free to email solar@indium.com to learn exactly how these products should be used in your application.

 

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Comments for Tabbing Ribbon Flux for Solar Assembly

Saturday, June 6, 2009 by Solar Power:
Thank you very much for given this great post!
Monday, June 8, 2009 by Jim Hisert:
Thanks for reading!
Thursday, June 11, 2009 by kenan:
hello, what is the resistance of 5 mm widht tabbing ribbon’s resistance per kilomoter (ohm/km)? thanks.
Thursday, June 11, 2009 by Jim Hisert:
Thats a great question, and it depends on thickness also. Assuming the ribbon is 5mm wide x .4mm thick, it should have a resistance of around 8.4 ohm/km.
Friday, August 14, 2009 by DIYSolarPanels:
Jim – have you ever built your own solar panels? You seem very knowledgable on the subject!
Monday, August 17, 2009 by Jim H.:
I haven’t worked on any DIY panels before but I’d be willing to try it out and write a review about it. Shoot me an email offline and we can set something up. jhisert@indium.com

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