Electronics Forum: top (Page 91 of 313)

Quadstar 100 with vision and dispenser

Electronics Forum | Sun Mar 22 14:51:35 EST 1998 | Martin Plourde

I'm looking for a Quadstar 100 with any top vision as well as a glue dispenser. Must have both features or I am not interested. I've located many Quadstars 100 with either features but my customer wants both absolutely Regards, Martin Plourde (514)

Flow for 2 sided SMT - Please Repost

Electronics Forum | Sun Dec 07 16:26:52 EST 1997 | George Henning

First Responses Lost: Please Repost | Looking for info on process flow for 2 sided SMT with PTH | on the top side. | Both sides have large SMT ICs. I don't know what the best approach is; | Epoxy, Paste in Hole, High temp paste. | Any info appreciat

MPM Print Parameters

Electronics Forum | Wed Aug 15 17:30:43 EDT 2001 | peterson

Hello All, We have an MPM 2000 screen printer. My question is this: we are having a stencil made that has both top and bottom side on a single foil. Our Process people are unsure if the machine parameters will allow it. The board size is 19x15. Can i

BGA using Siemens HS180

Electronics Forum | Thu Dec 06 18:23:01 EST 2001 | stefwitt

It has been done and I could set you up with some customers, who continue to place BGA's on the HS 180 successfully. In the GF editor you define the component as if it had leads around the perimeter. At the end of the editor you activate outline meas

Mydata Mount Tools

Electronics Forum | Tue Jan 08 14:51:11 EST 2002 | edmentzer

The only time we had this problem was when the operator let the mount tool test position on the board be a mounting hole so the machine did not know where the board top was. You might want to check the mount tool position as a lot of PCB CAD people

Baking time for PCBA rework

Electronics Forum | Thu Apr 25 09:27:03 EDT 2002 | fmonette

Michael, This concern is well covered in J-STD-033, section 8.6 Board Rework. "...If the component temperature exceeds 200C, the board may require a bakeout prior to rework..." In other words, you only need to worry about moisture related defects w

Residual BGA Stress

Electronics Forum | Tue Feb 05 22:19:52 EST 2002 | davef

Residual stress is not limited to BGA balls. I have residual stress. It does not leave until I start singing Led Zepplin songs at the top of my lungs. And for that to start, I need a good hour of staring at the bottom of a frosty mug at Jimbo's Lo

Middle Height Splice

Electronics Forum | Wed Mar 06 12:24:36 EST 2002 | JasonGregory

The term is indeed "slice", Daniel. I am the 5DX engineer here in Austin, TX. To answer your question, The 5DX can slice at varying heights of virtually any solder joint. By changing certain comment lines of the NDF and RTF files, the 5DX can view th

0.4mm pitch CSP Dummy Component

Electronics Forum | Tue Mar 05 22:35:49 EST 2002 | Nell

Hi Pete and Dave, I already check with Practical component, Tessera and TopLine Dummy component they said they only have up to 0.5mm pitch CSP. Anyway, thanks for your input... Do both of you know in the market right now is there any 0.4mm pitch C

Reflow Oven Calibration

Electronics Forum | Wed Mar 06 07:23:58 EST 2002 | pjc

Oven heating zone temps, rate-of-change and conveyor speed can be measured with a device offered by ECD called the OvenRider. KIC and Datapaq also offer some thing similar(just to mention the top 3). This is a function of maintenance to ensure the ov


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