Electronics Forum: smt (Page 588 of 926)

solder balling

Electronics Forum | Sat Aug 05 12:12:05 EDT 2000 | Ramon I Garcia C

Hello Friends: I'm new in SMT process, I have a problem with little balls of solder beside of the component, I'm tried reducing the apertures in the stencil and making home base, some times the balls desappear, but some time not, and some times

wave solder bridges

Electronics Forum | Thu Jul 27 08:02:55 EDT 2000 | Jason

Hello once again! I am having a problem with a 24 pin connector bridging on the wave. We use very similar connectors on other PCB with zero problems. This connector bridges in the same place on the same pins. It forms like a little block of four

Re: wave solder bridges

Electronics Forum | Thu Jul 27 13:59:04 EDT 2000 | Chrys Shea

Sounds like the problem is design realted - here's a cheesy trick if your product/process permits: (you know how I love my cheesey tricks!) Put an adhesive dot between the pins that are bridging. If you're gluing bottomside SMT components to the bo

Re: Automatic Inspection Equipment

Electronics Forum | Thu Jul 20 23:50:25 EDT 2000 | Michael Beck

Paul: MVT is certainly still around and continues to dominate the worldwide AOI market. Frankly, the charge that this company has "stopped servicing their equipment", is libelous. The fact that you're employed by an MVT competitor, MVP, should hav

Re: applying DOE to SMT process

Electronics Forum | Tue Jun 20 20:22:15 EDT 2000 | Dave F

Hi Jack: Welcome!!!! Yours sounds like an interesting project. In response to your questions: A1. Each traditional L8 run requires 8 runs. So, how did you select a L8? A2. In addition solder height and volume as characteristics, consider deposit

Re: SMT coil placement

Electronics Forum | Sun Jun 18 13:15:57 EDT 2000 | Kevin Simpson

HI, We have placed with both Fuji Qp's and Universal Gsm's. We are running a small coil now on a Gsm with a sucessful rate.The Qp done well also, but the product is not ran on a Qp line, so no true production rate has been determined.I don't feel

Re: Soldermask Design Rules

Electronics Forum | Wed Jun 14 12:43:52 EDT 2000 | Todd Murphy

Dave, you are right you would expect the soldermask to be higher than all SMT pads on the pcb if it is higher on the fine pitch components, but the other areas of the board do not concern me as much as the fine pitch areas. The pads on all the other

Re: Dead link...update

Electronics Forum | Sun Feb 25 17:22:05 EST 2001 | itm

Steve, Neil, John and everyone else - The ITM site is alive and well ! Regarding registration: we do not have an autobot to handle registration - we do it manually every few days. I have been on vacation for the past week (to a wonderful place whe

Re: Dead link...update

Electronics Forum | Sun Feb 25 17:22:09 EST 2001 | itm

Steve, Neil, John and everyone else - The ITM site is alive and well ! Regarding registration: we do not have an autobot to handle registration - we do it manually every few days. I have been on vacation for the past week (to a wonderful place whe

Screen printing glue for wave soldering SMT components.

Electronics Forum | Fri May 26 01:50:54 EDT 2000 | Craig

We have no experience in printing glue only in dispencing for short runs. We are finding that our gluing volumes are going up and want to look at screen printing as an option. We are placing 0805 and 1206 chips, melfs, sots and ics. What are the adva


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