Electronics Forum | Mon Apr 29 00:15:30 EDT 2002 | GregH
If IPC-SM-782 is for Surface Mount Land Pattern, what is the Standard used for Through Hole Guide (eg. Component Lead Thickness versus Hole diameter etc.), where can I find them? thanks
Electronics Forum | Fri May 03 18:10:17 EDT 2002 | stownsend
Okay, here goes another thread about gold plating. I have been using gold plated PCB's for about two years now, with mostly very good results. The main reason I started using gold in the first place was because it is flat, solder wets to it nicely,
Electronics Forum | Thu May 09 15:56:33 EDT 2002 | stownsend
We are using NC. Paste doesn't seem to have an effect on the solderability on a bad batch of ENIG. When ENIG has gone bad, throw the board out.
Electronics Forum | Tue May 07 08:18:12 EDT 2002 | Sir Alexandr
Almst quality of PCB with this pitch defined on used boards. Good board produses Fullmarks , look up to it , stencil parametrs isnt so critical but board material and layouts.
Electronics Forum | Mon May 06 10:27:22 EDT 2002 | JCC
What version is your firmware?? This error can be caused bt something as simple as the background nozzle disks. Are you using the old style or the new vinyl ones?
Electronics Forum | Tue May 07 05:55:58 EDT 2002 | ianchan
Hi mate, do you mean : 1) Au = "ENIG" or "immersion Au(gold)"? or 2) Ag as in = "silver"? If Au is the correct term, no need to make extreme changes in your profile. just keep the profile to within your paste specs of preheat, reflow time and reflo
Electronics Forum | Mon May 13 14:15:46 EDT 2002 | davef
Entek is Enthone's OSP [organic solderability protection]. It is widely used in the PCB fabrication business. Imidazole (Via Systems) is good, but is not as widely available. Search the fine SMTnet Archive on: * OSP * Entek CU-56, Entek Plus CU-10
Electronics Forum | Mon May 13 10:28:41 EDT 2002 | leboeuf
Todd, We have used and aftermarket pre's in stock. Call Kerry at 603-669-6080 x351. Steven
Electronics Forum | Tue May 07 14:55:48 EDT 2002 | jtrent
We are in the process of considering purchase of an AOI. Before doing so I would like to know if someone, with experience using an AOI in production, can share pros and/or cons. We are looking seriously at the Photon Dynamics 7550 (Previously CR Te
Electronics Forum | Thu May 09 17:17:42 EDT 2002 | davef
We do not use this product. [Not to say there is anything wrong with it.] Check Phil Zarrow�s site [www.itm-smt.com] for a good article on paste evaluation that was in �Circuits Assembly� a cuppla years ago.
