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Visit PSI's main Coplanarity Services page for more information. PSI has over 20 years experience restoring gull wing leads on QFP and SOIC packages, as well as myriad surface mount connector styles. The goal of lead restoration is not to mimic "l
Electronics Forum | Wed Mar 09 16:55:02 EST 2011 | davef
We agree with the previous poster. Open-up your aperture to increase the amount of solder paste. If you don't have a heel fillet, go home.
Electronics Forum | Tue Mar 08 02:28:03 EST 2011 | nagesh
I have an issue with PLCC Insufficient Heel solder joint fillet.The aperture dimension is : 30 x 100 mils on PCB & on stencil also(1:1 per gerber).Rohs Process. My stencil thickness is 5mils due to presence of Tssop & QFP package & i cannot increase
Industry News | 2003-04-07 11:00:15.0
The innovative VPI-1000 optical inspection system is the only benchtop SMT inspection system capable of inspecting BGA devices as standard, without necessitating a lengthy lens reconfiguration.
Heller Industries Inc. | https://hellerindustries.com/wp-content/uploads/2018/07/leadfree.pdf
: Nitrogen Temperature:240°C Excellent Wetting in Toe and Heel – Small, Acceptable Voids Cross Section of QFP Solder Fillet PROPRIETARY AND CONFIDENTIAL INFORMATION Pages: 16 of 24 Rev Level: 1 Rev Date: 1/03/01 Test # 8 Material
