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Asymmetric Tolerances Cause Bad Footprint Name - PCB Libraries Forum

PCB Libraries, Inc. | https://www.pcblibraries.com/forum/asymmetric-tolerances-cause-bad-footprint-name_topic925_post3415.html

Asymmetric Tolerances Cause Bad Footprint Name - PCB Libraries Forum Forum Home > PCB Library Expert > Questions & Answers New Posts FAQ Search Events Register Login Asymmetric Tolerances Cause Bad Footprint Name

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Asymmetric Tolerances Cause Bad Footprint Name - PCB Libraries Forum

PCB Libraries, Inc. | https://www.pcblibraries.com/forum/asymmetric-tolerances-cause-bad-footprint-name_topic925.html

Asymmetric Tolerances Cause Bad Footprint Name - PCB Libraries Forum Forum Home > PCB Footprint Expert > Questions & Answers New Posts FAQ Search Events Register Login Asymmetric Tolerances Cause Bad Footprint Name

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Detailed Explanation of the 4 Temperature Zones of Reflow Oven Machine-News-Reflow oven,SMT Reflow S

| http://etasmt.com/cc?ID=te_news_bulletin,21161&url=_print

cause defective parts. It is to heat the PCB at room temperature as soon as possible to achieve the second specific goal, but the heating rate should be controlled within an appropriate range

Temperature Setting for Each Temperature Zone of SMT Reflow Oven-News-Reflow oven,SMT Reflow Solderi

| http://etasmt.com/cc?ID=te_news_bulletin,15961&url=_print

. If there is a BGA, the peak temperature should be set within 240 to 260 degrees and maintained for about 40 seconds. In addition, it should be noted that in the reflow area, the reflow soldering time should not be too long, so as not to cause damage to the furnace, or cause the PCB board to be scorched or the component malfunctions

PCB Libraries Forum : Calculator QFP Pad Stack Invalid Number

PCB Libraries, Inc. | https://www.pcblibraries.com/forum/RSS_calculator-qfp-pad-stack-invalid-number_topic1915.xml

:07amThe only thing I see that's wrong is the "b" lead width has no tolerance and it should, but that would not cause the error but it will cause a bad Land Pattern Footprint

PCB Libraries, Inc.

How to Prevent a Solder Ball Defect | Imagineering, Inc.

Imagineering, Inc. | https://www.pcbnet.com/blog/how-to-prevent-a-solder-ball-defect/

. Being as common as it is, manufacturers have come to recognize many of the underlying causes that cause solder ball defects. In this blog, we outline everything you need to know about solder balls, what you can do to avoid them, and potential steps for their removal

Imagineering, Inc.