Electronics Forum: stencil (Page 196 of 540)

I lose my gerber, but I have the board...

Electronics Forum | Fri May 13 13:06:09 EDT 2005 | bschreiber

The Smart Sonic StencilScan AOI software can easily create Gerber data from PCBs, film, stencils, screens, mylar images, etc. Bill Schreiber Smart Sonic Corporation Tel: 1(818) 610-7900 E-mail: bill@smartsonic.com Web: http://www.smartsonic.com

shut down for storms

Electronics Forum | Wed May 11 22:43:43 EDT 2005 | KEN

Hmm..that gets me thinking. How about lightning rods for SMT equuipment. Actual conversation of customer on plant tour: Customer: "What the hell is that? Is that a 30 foot tall signal tower on that stencil printer?" No. That's our new speedline

New SMT line - Need equipment selection help

Electronics Forum | Mon Jul 03 22:48:42 EDT 2006 | eyryren

Dear ve7khz We are the manufacturer of SMT accessorial material.stencil clean roll and splice tape.We are can manufacture many style stencil clean roll for kinds of screen printer machine and splice tape special for kinds of placement machine. If yo

Stencil thickness

Electronics Forum | Thu Jun 09 07:02:02 EDT 2005 | ajaydoshi

1. We do have PCB with 0402 component, Micro BGA ( 0.5mm pitch , 0.25 mm pad size ). PCB thickness is 0.8mm. What stencil thickness we should use. PCB size 40 mm X 60 mm 2. We have EKRA E4 , What will be optimum setting for above. Pressure, Scquge s

Tombstone caused by flux residue

Electronics Forum | Mon Jul 25 06:12:53 EDT 2005 | lloyd

Folks thanks for all the info, I'm gonna check out our pad geometries and see how they compare with industry standards. Brian, could you elaborate a bit more on the stencil design you have mentioned. Do you mean that you have offset the stencil aper

Lead Free Stencil Design

Electronics Forum | Wed Jul 13 09:07:32 EDT 2005 | russ

The reason for going 1:1 with lead free is that it does not spread out like the pb solders. So 1:1 is really not necessary in my opinion. We go 1:1 anyway on discrete components along with other packages. You always have to make sure that the area

Lead Free Stencil Design

Electronics Forum | Wed Jul 13 14:56:53 EDT 2005 | jdengler

I read the Cookson/Alpha paper "Optimizing stencil design for Lead-free SMT processing". I interpreted it to mean that if you had a mid chip solder ball (MCSB) problem the "radiused inverted home plate of 20/60/20 style" had the greatest impact on r

Using Glue on Stencils What aperatures to use?

Electronics Forum | Fri Sep 16 13:03:11 EDT 2005 | james

We current use glue on our bottom side boards using stencils and screen printers. Our Glue aperatures that we use are very small rectangles and they seem to clog very easily. We currently are using Heraeus PD955PR #8 and see alot of boards that ar

Water Jet Stencil Cut

Electronics Forum | Mon Oct 03 14:14:06 EDT 2005 | Carmichael

My findings were that it wasn't accurate enough to create the crisp aperatures needed for release. That was almost ten years ago when everyone was looking for an alternative to chem-etch however. Water guided laser also showed promise of doing this b

smt machines function

Electronics Forum | Thu Oct 20 11:52:07 EDT 2005 | Amol

there are various SMT machines 1. Stencil Printer 2. Pick and Place machine 3. Reflow ovens 4. Automatic optical Inspection machines start with visitng Stencil printer websites like MPM, DEK etc. Pick and Place -- Univesal instruments, Mydata, Fuji


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