Electronics Forum | Fri May 01 18:01:04 EDT 1998 | Peter Soland
Has anyone experienced profile related microbridging under 0402 capacitors in the past. We use a Sn46Pb46Bi8 paste, 178 degree C L.T.. Double sided board, 2 per panel, 6.5" x 5", convection oven. Profile data; thermalcouples @ components showing 200
Electronics Forum | Fri May 01 22:32:38 EDT 1998 | Jon Medernach
A pad design shaped like Home Plate will eliminate the problem, You can get info from Create Group at Panasonic FA They have the patent on this style pad and the most experience working with the 0402 and now have qualified the 0201 Caps from Murata
Electronics Forum | Tue Apr 28 19:43:25 EDT 1998 | Michael Allen
I'd like to find a buyer for the following used equipment: Make: Universal Instruments Model: 4713D Adhesive Dispenser Options: Rotatable dual-dot head (0deg, 90deg) Price: Asking $4K (No reasonable offer refused) I should note that this d
Electronics Forum | Fri May 01 12:26:02 EDT 1998 | Michael Allen
| As a matter of fact I do have DIRECT EXPERIENCE with this equipment I had 3 4713 with vision (which by the way was next to useless), You should mention if they have not allready will shortly stop supporting this equipment(spare parts), and good luc
Electronics Forum | Tue Apr 28 19:20:53 EDT 1998 | Steve Gregory
| We want to produce BGA�s which will be see burn in conditions | of 140�C / 24h active tested. | Now we think about problems for the solderball uniformity. | Does anybody know about problems or about special solderball | alloys for such productscon
Electronics Forum | Wed Apr 29 14:02:51 EDT 1998 | Joe Hurst
>1. What are the two files that will allow you to start layout of a | | > >printed circuit board that has no Mentor Graphics schematic? | | > > | | > >2. In DA, what is a ripper? | | > > | | > >3. How do you kill a process in UNIX? | | Thanks, | | Ea
Electronics Forum | Mon Apr 27 16:14:45 EDT 1998 | ETS, LLC
For the best pricing on used equipment buy from the Manufacturer. ETS, Manufacturer of Universal's Reflow ovens has recently started a trade in program. This means we have many used and remanufactured Reflow ovens that must be sold. NO REASONABLE OFF
Electronics Forum | Mon Apr 27 16:08:35 EDT 1998 | ETS, LLC
ETS, Manufacturer of Cure Ovens for use with the Nordson Select Coat line and other conformal coating systems, offers curing ovens at your desired price. That's right, you tell us what you think is a fair price and that is what you pay. Many differe
Electronics Forum | Sat Apr 25 12:58:13 EDT 1998 | Earl Moon
| Is there an industry standard in calculating SMT process | PPM level for benchmarking purpose ? What are the industry | benchmark ppm number for some of the defects like solder | short for 20-mil QFP, tomstone problem for 0603 components etc....
Electronics Forum | Sat Apr 25 09:13:26 EDT 1998 | Earl Moon
| Hi, | A collegue of mine, working on incoming inspection | departement, asked me if I know any good standard,preferrable | on CD-ROM with high-quality images of different defects | that can be found on bare pcb`s. | I know IPC-standards, but i
