Electronics Forum: smt and step and reflow (Page 1 of 14)

Re: Bottom side smt and thru hole

Electronics Forum | Sun Jun 07 09:43:11 EDT 1998 | Bob Willis

There are some guidlines on design and through hole reflow on my web site to download. Also on pin in hole reflow the SMTA Office has a document on using the tecnology. R&D is currently designing a board with smt components on both sides of the bo

smt common pad 0402 and 1206 package

Electronics Forum | Fri May 06 08:47:05 EDT 2016 | davef

You're correct. This design will have a record amount of 0402 rework for tombstoning and misalignments. Suggest that the pads on each end of all components be the same size in order to balance wetting forces during reflow.

Bottom side smt and thru hole

Electronics Forum | Tue May 26 22:13:15 EDT 1998 | Pat Copeland

R&D is currently designing a board with smt components on both sides of the board. They are adding a 16 pin IC Gull wing. on the bottom side of the board. I have asked for only caps and resistors to be placed on the bottom side. Is there a recommende

Re: Bottom side smt and thru hole

Electronics Forum | Wed May 27 13:42:08 EDT 1998 | Chrys

R&D is currently designing a board with smt components on both sides of the board. They are adding a 16 pin IC Gull wing. on the bottom side of the board. I have asked for only caps and resistors to be placed on the bottom side. Is there a recommen

Re: Bottom side smt and thru hole

Electronics Forum | Wed May 27 14:35:52 EDT 1998 | Justin Medernach

R&D is currently designing a board with smt components on both sides of the board. They are adding a 16 pin IC Gull wing. on the bottom side of the board. I have asked for only caps and resistors to be placed on the bottom side. Is there a recomm

Re: Intermetallics and reflow profile

Electronics Forum | Wed May 03 20:24:22 EDT 2000 | Dave F

MF: I know of nothing that addresses your question directly. Let me suggest: * Technical types at your solder supplier should be able to help. * "Effect Of Intermetallic Compounds On The Thermal Fatigue Of Surface Mount Solder Joints" PL Tu, et a

SMT optimization and improvement

Electronics Forum | Sun May 28 23:01:31 EDT 2006 | jacksaria

Hello to all, We are encountered many problems/defects in SMT lines.I would like to know your suggestion or recommendation for SMT optimization and improvement. What are the step by step solutions in order to optimized and to improve the printer, pi

Standard pad sizes for reflow and wave

Electronics Forum | Thu Sep 02 21:02:55 EDT 1999 | Paul Wareham

We've noticed that there are many different recommendations for pad sizes for various SMT parts. This seems to vary wildly from manufacturer to manufacturer for the same case sizes. Is there any standards that can used used to specify these sizes?

Step by step instructions: How to import prn file and set-up fiducials on pcb (On a My Data My9 SMT machine)

Electronics Forum | Wed Jan 02 10:45:02 EST 2019 | tech1

Exactly how are you exporting it? You need to export it in TPsys format followed by Export PCB only

Step by step instructions: How to import prn file and set-up fiducials on pcb (On a My Data My9 SMT machine)

Electronics Forum | Wed Jan 02 13:03:02 EST 2019 | robertbronx

Hi, Thank for reply it. I'm exporting it exactly like that. But the results are as I explained. Question: Is there another procedure to try?

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