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a pcb manufacturer in China specializing in multi-layer pcbs that meet RoHs, UL, IPC standards.
Electronics Forum | Tue Feb 08 03:14:37 EST 2000 | Roni H.
Hi Jose, J-lead are very sesitive to coplanarity, which is the major cause for the defect you described. Other posibility is that there is not enough solder paste ; J-lead need around 10% more solder past then L-lead, You have to consider the screen
Electronics Forum | Thu Apr 12 13:23:18 EDT 2007 | slthomas
On the contrary, IPC-610 refers to flat ribbon leads in the same context as gullwing and "L" leads. I've always assumed that they were one in the same (could be wrong here...certainly wouldn't be anything new) and have never seen L or flat ribbon r
We can provide professional SMT one line sulotion include SMT loader, Solder paste printer , reflow oven, AOI and so on. E-mail: tina@gdmoje.com Web: www.moje.en.alibaba.com
>>CONTACT NOW Email: at@mooreplc.com Mobile: +8618020714662 Skype: +8618020714662 >>>CONTACT NOW Product Description item no.:DSDX451L lead time:2-3 days product origin:SWIZERLAND brand:ABB shipping port:xiamen payment:T/T and W
| https://www.feedersupplier.com/sale-12961129-samsung-sm471-plus-smt-pick-and-place-machine.html
) Component Range: Chip 0402( 01005)- 14mm (12mm), IC, connector (Lead Pitch 0.4mm), BGA, CSP (Pitch 0.4mm). Board Dimension (mm): Minimum order: 50(L) x 40(W), Maximum: Single tool: 510(L) x 460(W), dual tool: 460(L) x250(W). PCB Thickness: 0.38 - 4.2mm Feeder Capacity: (Based On 8mm)120ea /(Docking Cart) 112ea. Utility-Power: AC200/ 208 / 220 / 240 / 380 / 415V
Surface Mount Technology Association (SMTA) | https://www.smta.org/knowledge/journal.cfm
Reliability in Lead Free Solder Joints Jiawei Zhang, Zhou Hai, Sivasubramanian Thirugnanasambandam, John L. Evans, M. J. Bozack, Richard Sesek, Yifei Zhang, J. C. Suhling Abstract 25-3 New Generation Of Pb-Free Solder Alloys: Possible Solution To Solve Current
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