Electronics Forum | Thu Aug 23 20:51:15 EDT 2001 | davef
Every thing you need is in "links" here http://packaging.hp.com/. The only thing you need to do now is find it. Ah, so much information, so little time. Yeh yeh yeh, nice little ESD bags are good. Er, maybe sealed barrier bags might be better. E
Electronics Forum | Wed Mar 27 21:20:30 EST 2002 | davef
There is two major BGA coating camps. * Camp #1: "We require the coating to be under low stand-off devices but with no filleting. So we apply a thinned dip coat first, and then top-off with a proper spray coat" * Camp #2: "We want no coating under th
Electronics Forum | Mon Feb 20 15:03:56 EST 2006 | davef
Q1- Will we be able to select the materials (flux and alloy) and run the process depending only on ourselves, distributors� help, machinery documentation, web data and �trial and error?� A1- Your materials suppliers [eg Kester, Alpha Metals, etc] wil
Electronics Forum | Tue Dec 24 11:01:19 EST 2013 | davef
I wouldn't get too tightly wrapped around the axial of paste suppliers recommendations of thermal recipes. Said another way, "Do not count on the solder paste representatives for good technical advice--they are the ones who came up with these "'TIME
Electronics Forum | Sat Jul 22 04:52:31 EDT 2023 | shrikant_borkar
Here below clarification may help you I suggest you to refer IPC-AJ-820A Assembly and Joining Handbook for the entire information of applicable standards. IPC-J-STD (IPC-Joint Standard): IPC-J-STD is not a standalone standard; it refers to the serie
Electronics Forum | Tue Jan 11 09:47:01 EST 2000 | Dave F
Abbas: Sources of information on DFM/DFT are: � "SMTnet Express" articles on DFM by Earl Moon � IPC-D-279, 'Design Guidelines for Reliable Surface Mount Technology Printed Board Assemblies' � Books in SMTnet and SMTA book stores � Other examples ar
Electronics Forum | Mon Jul 10 21:01:06 EDT 2000 | Dave F
Edmund: Responding to your questions: 1 What is purpose of using DI water to wash a PCBA? Compared to tap water, DI water is less likely to leave: � Metal cations on sensitive components. � Salts of Ca, Mg, and other stuff on metals on the assemb
Electronics Forum | Wed Nov 17 11:20:23 EST 1999 | Dave F
Hey Gyver: If you don�t mind (which you don�t have any choice about, because I�m going to do it anyhow, cause it�s MY word processor), I�m going to respond genericly, but still be directed to your question. Much of the following is paraphrased from
Electronics Forum | Sat Oct 05 07:29:48 EDT 2002 | davef
Design for the Environment (DFE) / Electromagnetic Compliance (EMC) ------------------------------------------------------------------- "Noise Reduction Techniques in Electronic Systems" Henry W. Ott, John Wiley & Sons, New York, 1976 Seltzer, G.S.
Electronics Forum | Tue Feb 06 18:19:30 EST 2001 | davef
Now that's surprising that your board fabricator would say the mask was cured properly [without even inspecting the boards]. I wonder if they can backup those BOLD words when testing your boards with the webbing problem. The reason you can�t find t
