Industry Directory | Manufacturer
ZH Rainbow have been in the for more than 10 years and we design, manufacture SMT assembly equipments ourselves. Welcome to inquiry!
New Equipment | Wave Soldering
Suitable for welding of THT, SMD device, streamline design, beautiful, convenient maintenance and maintenance. preheating zone and filtration system adopts direct pull type module design, convenient maintenance and maintenance. preheating zone,
New Equipment | Assembly Services
Unique advanced long-time heating system 1. Equipped with high efficiency and energy saving Swedish NI-CR heating tube, radiation power peak wavelength 4 UM, with surface reflector, high thermal efficiency, temperature rise speed, the forced air cir
Electronics Forum | Tue Jul 27 13:48:45 EDT 2004 | Ralf
Hi Recently i have noticed that after reflow (hot air oven) on the solder lands without components but with solder(screen printing) there is discoloration. It looks like gasolin spilled on the wet road (rainbow). Any idea and reason Ralf
Electronics Forum | Thu Mar 10 13:05:41 EST 2005 | patrickbruneel
This phenomenon is caused by a high amount of halogens (Cl, Br etc.) used in the flux activators or in the flux surfactants. We've seen effects creating all colors of the rainbow. Changing to No-Clean (halide-free) will eliminate this color effect.
SMT Express, Volume 4, Issue No. 5 - from SMTnet.com Volume 4, Issue No. 5 Thursday, May 23, 2002 Featured Article Return to Front Page Book Review Reviewed by Dave Fish (davef ), Pandion Electronics, Inc. Title: Reflow Soldering
