Heller Industries Inc. | https://hellerindustries.com/wp-content/uploads/2018/07/leadfree.pdf
: 1/03/01 CAPACITORS WITH N2 Grainy joint – no wetting to entire pad CAPACITORS WITHOUT N2 No difference between Air and Nitrogen Resistors With N2 l Grainy joint
Heller Industries Inc. | https://hellerindustries.com/wp-content/uploads/2022/04/leadfree.pdf
: 1/03/01 CAPACITORS WITH N2 Grainy joint – no wetting to entire pad CAPACITORS WITHOUT N2 No difference between Air and Nitrogen Resistors With N2 l Grainy joint
| http://etasmt.com/cc?ID=te_news_industry,24165&url=_print
(organic protective film bare copper), the pad is easily oxidized, often caused problems that solder wetting angle is too largely exposed and copper pad phenomenon
| http://etasmt.com/cc?ID=te_news_industry,4361&url=_print
), the pad is easily oxidized, often caused problems that solder wetting angle is too largely exposed and copper pad phenomenon. Although a number of electronics manufacturers for operating costs consideration is not temporarily using nitrogen, but with
| https://www.eptac.com/faqs/ask-helena-leo/ask/pem-nut-soldering-criteria
. The base of the PEM ® nut should be on a non functional land/pad area on the PCB board to which it can be soldered and the securing hardware should originate on the opposite side of the PCB board
ASYMTEK Products | Nordson Electronics Solutions | https://www.nordson.com/en/divisions/efd/resource-center/solder-glossary-of-terms
. The possible causes include too short contact time or low soldering temperature. This is evident by poor wetting, a non-smooth surface, and/or a chalky or grainy appearance
| https://www.eptac.com/wp-content/uploads/2013/04/eptac_05_22_13.pdf
| https://www.eptac.com/ask/pem-nut-soldering-criteria/
. The base of the PEM ® nut should be on a non functional land/pad area on the PCB board to which it can be soldered and the securing hardware should originate on the opposite side of the PCB board
ASYMTEK Products | Nordson Electronics Solutions | https://www.nordson.com/en/divisions/efd/resources/solder-dictionary-of-terms
. The possible causes include too short contact time or low soldering temperature. This is evident by poor wetting, a non-smooth surface, and/or a chalky or grainy appearance
