久久综合九色综合欧美,成人国产一区二区三区精品不卡,国产成人综合亚洲欧美天堂,日本一区二区三区久久久久久

NC-669-LF is an RoHS-compliant lead-free, no-clean solder paste that delivers improved solderability with all Pb-Free metallization, including ENIG (Gold), OSP, HASL and immersion silver boards. NC-560-LF increases production yields with its unparalleled lot-to-lot and stencil printing consistency, and offers superior print performance characteristics, including excellent wetting, strong activity, ideal viscosity,
long stencil life, thermal stability up to 300°C, and minimal residue. NC-560-LF is also low beading, low voiding, and anti-tombstoning to reduce scrap and rework.