Electronics Forum | Thu Jul 15 04:33:56 EDT 2010 | jevans
We've recently purchased a second hand smt line which contains an Ersa Hotflow 9 reflow oven.We were informed that this oven was capable of handling a lead free process.The oven was manufactured in 2000,and it has come to our attention that it can on
Electronics Forum | Fri Oct 14 11:27:36 EDT 2005 | Amol
what do u mean by SMT machines?? there are a slew of machines that fit this criteria. please be more specific, do u mean placement?
Electronics Forum | Thu Dec 11 20:33:37 EST 1997 | Ben Salisbury
Another good source I've come to use quite often is the search engine from National Semi-Conductor. The link to the page is down below. If you ever run into a situation where you only know the company of manufacture for the chip, go to their web site
Electronics Forum | Thu Dec 23 09:27:30 EST 1999 | mike d
Good morning. I am currently in the process of validating our quoting process in comparison to what our colleagues are doing. If anyone could let me know what is the average cost per component for their smt operations I would really appreciate it.
Electronics Forum | Sun Jun 07 06:05:37 EDT 1998 | Bob Willis
| Can anyone tell me if there is a reference for smt component height specs on the bottom side of a board, which will also go through wave soldering. A current design I am reviewing has tant caps(7343) and a crystal on the back side. Should I only b
Electronics Forum | Mon Mar 21 20:18:40 EST 2005 | davef
What is the specific problem? Tell about: * Resistor pack * Board layout * Stencil aperatures
Electronics Forum | Tue Mar 01 10:21:55 EST 2005 | davef
IPC Plating Committee is presently working on a specification for immersion tin [IPC-4554 Specification for Immersion Tin Plating for Printed Circuit Boards] as a solderable surface finish. Immersion tin is normally deposited at 30 to 60 microinches.
Electronics Forum | Wed Dec 15 04:59:40 EST 1999 | Joshua Hall
Hello KA, When producing in kind of PCB product you have to base much of your decision on cost effectiveness, time, and quality. In order to get the best of all three you have to decide which you want to be your top priority. By adding an epoxy to
Electronics Forum | Wed Jul 14 13:50:11 EDT 2010 | swag
I can't offer much advice on acceptible rates or #'s. From a process standpoint, most of your bridging or insufficient originates in your printer. Look into buying dedicated tooling specifically designed for the build. We use "h-towers" on all hig
Electronics Forum | Wed Jul 14 18:51:24 EDT 2010 | rway
Thank you. I spoke with our SMT guy, and he stated that there is plenty of board support on the pcb. So it's not a matter of flexing. There just seems to be inconsistancy in the solder application. He did mention that part of the problem is a lac
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