New lead-free solders containing zinc are promising candidates to replace near-eutectic tin-lead solders because the solders melt at lower temperatures tha... S Vaynman,ME Fine - 《Journal of Electronic Materials》 被引量: 196发表: 2000年 Development of lead-free wave soldering process Lead-fre...
He has 20 years experience in the electronic manufacturing industry with various manufacturing equipment companies covering pick & place, screen printers and thermal process management. Poor topside fillet can be caused by many points. I suggest the following: If using spray fluxer the flux has to...
I only know three companies that can make affordable stencils for hobbyists (if you know more, post in the comments): Pololu, they sell robot parts but can also do laser cutting for you, they can make Mylar stencils for you Ohararp, they make Kapton stencils using a laser cutter Quick...
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(Since the PCB soldering processes in most companies have been defective, the switch to new alloys was accompanied by difficulties that were wrongly attributed to the solder rather than the process.) The greater challenge concerns the new lead plating. Tin/lead plating disappeared, of course. But...
as many companies are in the position of needing to upgrade cabling, says Mike Berg, senior business development manager at Panduit. “Many of the plant floors put in Cat5 cabling for Ethernet. But that was a long time ago. The quality of the connection is not up to current standards,”...