Electronics Forum: kester r562 max temp (7)

Solder paste stencil life

Electronics Forum | Tue Jul 02 14:24:30 EDT 2002 | paul_bmc

My question is refering to "stencil life". How accurate is this and is this something I can go by. The solder paste I am using is Kester R562, R562 specifications state that it has a 12 hour stencil life, optimal temp ranges 70-77 F, 35-65% RH. Ou

fillets on fine pitch parts/poor wetting

Electronics Forum | Wed Nov 06 15:47:49 EST 2002 | bpan

Hello All, Having a problem during reflow and would like your opinions. We are using Kester r562 water soluble paste and I am using a Kic 2000 profiler in a 4 zone oven (top only). We are seeing poor wetting or fillets that are not "passable" per IPC

Express Newsletter: kester r562 max temp (238)

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