Electronics Forum | Wed Aug 16 20:55:13 EDT 2006 | PV
Hi Ahmad, I am using SRT 1100 for about 4 years. I like it but I am looking for something better. What ERSA Model you are using? Is it IR/PL 650A? I do BGA Reworks almost everyday. The most difficult Reworks I have had so far are a very small u
Electronics Forum | Tue Sep 20 23:12:38 EDT 2005 | darby
Several suggestions. Your hands may be tied but here goes. 1. Doctor your stencil so that pads are not shared etc and reduce the apertures more that what you would normally. This may stop one pad wetting into another etc. 2. The use of a Pb-free sol
Electronics Forum | Fri Dec 16 01:36:53 EST 2005 | tk380514
i would assume when the PCB planner and customer would specify what "surface layer type"they want but this section is always empty but i have found that out yesterday that we only use ENIG and not FLASH GOLD, which is good to know........ but it see
Electronics Forum | Thu Feb 23 14:06:19 EST 2006 | pjc
Positive Displacement Pump technology is in fact used for the underfill process. Both Camalot Systems and Asymtek both use them. Asymtek also has the Jetter and Camalot has the Multi-Piston Pump, specifically designed for underfill applications. The
Electronics Forum | Wed Sep 13 15:54:53 EDT 2006 | Osvaldo Smith
Hello, I am trying to find some Programming and host manuals for the following Panasert and Sony machines: MSH-G1 (Panasert SMT) RH2 (Panasert Through Hole) RH3 (Panasert Through Hole) RH5 (Panasert Through Hole) JVK (Panasert Through Hole) AX (Pan
Electronics Forum | Wed Oct 11 09:27:08 EDT 2006 | Rob
Yes, the main horror story is the cost. Also you will have to dispense/print in lower quantities and with different patterns than solder paste. It does not wick up device legs, it will not correct a part during reflow (no floating action)and will o
Electronics Forum | Sun Dec 17 08:41:38 EST 2006 | davef
Paul We've seen "cold welding" of solder paste when dispensed improperly. It occurs in the narrow confinds of the nozzle when someone tries to pipe too much paste, too quickly. The friction of all those little solder balls and paste juice fighting
Electronics Forum | Fri Jan 19 07:54:56 EST 2007 | realchunks
I believe you are describing a pin in paste process. Not sure where a stencil is involved. Depending on you machine/pump, you can do damage to it by running paste thru it. Paste is a metal and will wear out internal parts. Also, most pastes used
Electronics Forum | Mon Jan 22 20:35:53 EST 2007 | davef
A common way to add traces to a fabricated board is to print polymer thick film [PTF] conductive ink. PTF suppliers are: * Du Pont de Nemours, E. I. & Co. - Research Triangle Park, NC * Ercon, Inc. - Wareham, MA * Dow Corning� * Asahi Chemical Res
Electronics Forum | Sat Feb 10 20:08:25 EST 2007 | colormaker
I just started a design where I will be placeing smt parts on both side of PCB. 50 parts on top side ranging from 0602 to SOIC8 and 4 SOIC LED's on bottom. How can I assemble with parts on both sides ? I have P&P,stensil printer, relfow and solder w
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