The SPI 2500 is the next generation of off-line solder paste inspection system and features cost effective solution with the best accuracy. The optimal solution for monitoring and analysis of solder paste printing process. Measures Height, V
Electronics Forum | Thu Apr 15 16:07:37 EDT 2004 | barry
Hi there all, we are having problems with 2 qfp devices. grainy poorly reflowed solder joints. One 100 pin .5mm pitch, and one 64 pin .5 mm pitch . Both of these devices have a thermo pad on the back of them (pad area soldered to back of device)which
Electronics Forum | Tue Aug 17 10:41:13 EDT 1999 | Steve A
Wayne, Sounds like a gasketing problem. When the horizontal apertures are bleeding but not the vertical apertures. Could be poor underside support, HASL miniscus issues, masking or plugging issues, but what many people do not account for is that t
Industry News | 2018-10-18 08:40:47.0
Stencil aperture considerations for QFN chips
Industry News | 2018-10-18 08:27:03.0
An Analysis of SMT Solder Paste Printing Defects
Parts & Supplies | SMT Equipment
Panasonic smt nozzles models: Panasonic MSR SMT NOZZLE Part Number Description 10468S0002 MSR - SMT NOZZLE - VVS (0.84 X 0.60) 10468S0003 - NZ. - VS (1.0 X 0.64) 10468S0004 -NZ. - S (1.6 X 1.06) 1046710134 -NZ. - M (1.60mm) 10467S0001 -NZ. - L
Parts & Supplies | SMT Equipment
Panasonic smt nozzles models: Panasonic MSR SMT NOZZLE Part Number Description 10468S0002 MSR - SMT NOZZLE - VVS (0.84 X 0.60) 10468S0003 - NZ. - VS (1.0 X 0.64) 10468S0004 -NZ. - S (1.6 X 1.06) 1046710134 -NZ. - M (1.60mm) 10467S0001 -NZ. - L
. During QFP analysis, for example, the rotational acc
SMT Express, Volume 5, Issue No. 3 - from SMTnet.com Return to Front Page << Back to Page 3 Page 5 >> Thirdly, the actual measurement of component placement starts. During QFP analysis, for example, the rotational accuracy can
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terminals of large components (PLCC, QFP, etc.) near the center of the PCBs. In addition, test points should be set on the surface of components with poor heat resistance or based on clients’ specific requirements. 3. Installation of test points Thermocouple
