Electronics Forum | Wed Dec 16 19:37:19 EST 1998 | Ron Costa
I have a mixed technology board ranging from 50 mil pitch devices to 20mil Qfp's to PBGA-352 at 1.27mm, and 6 Intel uBGA-48 at 30 mil pitch. With all these different package types i'm torn between using a 4 or 5mil thick stencil. The ball dia. is 14
Electronics Forum | Thu Nov 19 08:14:36 EST 1998 | Martin Plourde
Hi, I presently have a friend (who doesn't have access to the net) who is on the edge of buying an Amistar AI-6448 and a CI-1000. He wants to know if programming these 2 types of PTH assemblers are easy to program, are they dependable, is board chan
Electronics Forum | Tue Nov 03 17:28:10 EST 1998 | smd
SMTnetters: My UIC conveyors aren't working with my: Omniflow 7 Reflow (Mfg 1/95) Dek 265 GS Philips CSM What can I do? Does anyone have experience with connecting UIC or other conveyors to the above equipment? On the reflow I jumped terminals 1
Electronics Forum | Sat Oct 31 22:55:59 EST 1998 | Kallol Chakraborty
| Can anyone help me out? I am looking for any information on In-line automatic optical inspection systems for SMT (not Bare Board). Does anyone have any thoughts which equipment is ok? I have visited MVT & cyberoptics sites but i would like more det
Electronics Forum | Mon Sep 28 09:35:28 EDT 1998 | Clive Heke
I have had some field failures returned recently, the boards had flux contamination under the components in a sensitive area, Nothing really visible until the component was removed, and the board had no evidence of rework of any type. Is it possib
Electronics Forum | Tue Sep 22 11:20:08 EDT 1998 | S Maganti
We are getting into a lot of double sided boards offlate. Our customer is loading a lot of RNETS, Diodes ( MINLS, SOT23s and other 2 leaded diodes ). We are processing it through a traditional glue process and wave soldering the SMT parts along with
Electronics Forum | Wed Sep 16 16:54:18 EDT 1998 | Doug Nebel
We are currently using a Mydata TP18 UFP to do placements on boards 520 mm x 460 mm. The table is expandable and Mydata was boasting of a custom table that was 820 mm x 540 mm. One drawback of our machine is that it is a stand alone machine, so han
Electronics Forum | Mon Sep 14 16:14:23 EDT 1998 | Jeff Sanchez
| Dear Larry, | I developed the ultrasonic cleaning process for Smart Sonic. It has developed into the most widely used stencil and misprinted PCB cleaning process worldwide. With that in mind, I offer some words of caution. "IT'S NOT THE ULTRASON
Electronics Forum | Thu Sep 03 10:04:14 EDT 1998 | Earl Moon
| Can any one tell me if there is a large difference between green soldermask and blue soldermask, in reference to sending the board through the IR reflow oven. | - two PCB's (smc parts) are manufactured, the first has green soldermask, the second bl
Electronics Forum | Tue Sep 15 16:06:45 EDT 1998 | Lee Anderson
Dear Dick, My company manufactures a low cost fully automatic pick and place machine for under $20K. It's a tabletop system but can handle boards upto 12" x 24" and place all kinds of parts from 0603 to fine pitch at rates upto 3500 pph. We also ha
