Electronics Forum: differs (Page 519 of 579)

Yestech F1 AOI?

Electronics Forum | Fri Oct 20 08:31:18 EDT 2023 | laurence11

When comparing F1 AOI machines, the key differences lie in their specific models and features. The "YTV" you mentioned may refer to a specific F1 model, but without more information, I can't provide specific details on it. However, here are

Help me to choose AOI-machine!

Electronics Forum | Wed Mar 06 18:44:26 EST 2024 | jergod

Hello everyone, I have been going through forum and noticed that there is quite much people, who has experience for AOI machines. Our company is purchasing first AOI-machine and i would love to get comments from people who has experience as a user

solder paste

Electronics Forum | Wed Jul 27 09:58:05 EDT 2011 | davef

Pressure printing systems Conventional stencil printing techniques have fundamental limitations as regards paste handling: The volume of paste available for printing is limited, so frequent replenishment is necessary Paste is difficult to c

Re: BGA problem: open after reflow

Electronics Forum | Wed Jan 17 20:48:14 EST 2001 | davef

We find that the raw BGA's pad sheared surface has the SnPb solder at various Z heights whereas the assembled BGAs pad leave a smooth layer of SnPb along the pad. Like to understand the cause for the difference. Who could guess? Solder joint streng

AOI vs. XRay

Electronics Forum | Tue May 08 11:27:49 EDT 2001 | Eyal Duzy

I will review some of the advantages/disadvantages of AOI vs. X-Ray one by one according to the main differences that you may find between them. * AOI uses optics that can "see" only visible elements. X-Ray can "see" hidden elements. There is a ve

AOI vs. XRay

Electronics Forum | Thu May 10 10:33:46 EDT 2001 | Eyal Duzy

Genny, I would like to correct part of the things that you were told. As far as I know, X-Ray tools are not positioned as tools to find solder volume simply because it is not a strong point for them. An X-Ray image is either a projection (2D transm

Question on Nitrogen Consumption during Reflow

Electronics Forum | Tue Jun 26 19:50:00 EDT 2001 | davef

49 hits on nitrogen, you probably used the one with the entry window => 13 or whatever hits on nitrogen. Here is my take on what you missed by using the other seach: Date: May 26, 2001 04:57 AM Author: Brian Sloth Bentzen Subject: Nitrogen Reflow

Re: Tg - Glass transition temperature

Electronics Forum | Fri Jan 21 14:51:08 EST 2000 | Dave F

Mike: I�d hate to see you making design decisions, based solely on the discussion here, but that this would be an impetus to consult IPC-D-279, "Design Guidelines ... " and take a course on designing reliable boards. Werner Engelmaier (Engelmaier

Re: Aperture Reduction for QFP (fine pitch)

Electronics Forum | Wed Sep 22 22:23:55 EDT 1999 | SY

| | | | | My stencil thickness is 6 mil and we got qfp's with fine pitch. | | | | | how many percent should i reduce my stencil aperture using a 6 mil stencil for 0.5 mm pitch and 0.4 mm pitch ? | | | | | | | | | | thanks | | | | | | | | | We use 6

Re: MoonMan rantings in SMT Express

Electronics Forum | Fri Sep 17 10:21:08 EDT 1999 | Brian

| | | Good people, and bad or otherwise afflicted, | | | | | | For those of you having enormous time avaialable to read my rantings in the SMT Express, please pardon the font situation. It ain't my fault, maybe, and Mike is not to blame. Something g


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