Electronics Forum: 20x20 (Page 3 of 4)

SPI for 32 x 22 Backplane

Electronics Forum | Mon Jul 16 12:19:00 EDT 2012 | jorge_quijano

Does anyone have experience with very large PCBs at Solder Paste inpection? our largest board is 32" x 22", it is a 0.250" thick and I was wondering if there is an Inline SPI for such dimensions. Currently I have a benchtop height measurement device

stencil ordering

Electronics Forum | Fri Oct 25 18:03:46 EDT 2002 | soupatech

Russ, that makes sense, thanks. As for the 20x20... I was speaking with a sales rep who was trying to talk me into buying stencils from him. I told him I use "Fuji 4000" and he sent me quotes for 20x20 and 29x29. That seems odd since the Fuji 4000 st

stencil ordering

Electronics Forum | Fri Oct 25 11:21:05 EDT 2002 | soupatech

This may sound like a stupid question but keep in mind I am very new at this and most of the training I have recieved has been from operation manuals and this forum (thanks to all). Our purchasing agent (new hire) is ordering a stencil for the first

Large Area Stencil Printing

Electronics Forum | Fri Sep 19 10:20:20 EDT 2008 | mi

I asked the stencil house we go to for quote on 29"x29" & anything larger stencil. Your board size converts to just 16.22"x26.9685". I don't know the next stencil size after 20"x20". Maybe, common is 29"x29"? I also asked about "frameless" stencils

Re: Two AP-20 questions

Electronics Forum | Tue Jun 01 16:42:48 EDT 1999 | Scott S. Snider

| After lots of years with Panasert machines, I am starting to need to learn again. | 1. For the AP-20 can you retrofit 3D vision? Would you bother? | 2. Also for the AP, can you use 20x20 DEK screens with an adapter? | | Thanks to all you MPM expe

Re: uBGA

Electronics Forum | Fri Oct 16 21:07:31 EDT 1998 | Scott McKee

| I need the following information on uBGA's - body size, ball pitch and ball diameter. Are they a plastic package (with the resulting moisture sensitivity of a PBGA)? Also, does the uBGA put any special requirements on pick and place equipment? |

Re: Ultrasonic stencil cleaner

Electronics Forum | Tue Apr 14 10:00:47 EDT 1998 | Chrys

| Could someone point me in the direction of or have any info on a basic no frills Ultrasonic cleaner capable of cleaning 20"x20" stencils? | Thanks, | Jack LaRue | jlarue@mail.nortechsys.com Have you looked into the used equipment market? If you're

Screen Printers

Electronics Forum | Tue Dec 03 07:57:27 EST 2002 | pjc

Price of DEK 248 and MPM UP100 are about the same, $22-36K range. MPM UP100 has programmable squeegee pressure. Precise, repeatable results with less operator involvement. Pressure parameters saved in board program file. DEK 248 has manual microm

MPM Accuflex Calibration

Electronics Forum | Sat Jan 12 15:37:33 EST 2013 | mwac

If the machine is printing with an offset on all products, then yes the printer needs to be calibrated with the fixture. That particular model requires the same tools as the 500 and 1500. They were different from other MPM machines of that or prior

Batch Ovens

Electronics Forum | Fri Nov 04 11:29:46 EST 2005 | JeffP

Jay, I work for a company that manufactures batch reflow ovens however, I will try to be as subjective as possible. For the most part, what others have posted is true. Yes, there is one heating chamber and if the heater does not have enough power


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