Electronics Forum | Wed Sep 01 14:07:41 EDT 1999 | Dave F
| For space contracts we have to mount chip capacitors/ resistors etc 0.1 to 0.4 mm from the pad height. | | This is to compenstae for the CTE differential in the substrate/component and also to ensure cleanliness. | | Does anyone have any new idea
Electronics Forum | Thu Aug 26 08:15:13 EDT 1999 | Brian
| | Has anyone used bar solder from a company called "Electrum Inc." | | What kind of results did you have? | | | | | Hammer: Try: | | Electrum Recovery Works 827 Martin St Rahway, NJ 07065 908-396-1616 800-622-1192 Canada 800-535-1192 Fax: 908-3
Electronics Forum | Wed Aug 25 19:44:35 EDT 1999 | Dave F
| Does anyone have any information on stencil aperture/pad ratios for noclean solder paste. In the past I have experienced severe solder ball problems when using the same size apertures from aqueous products as I do with the No-clean products. Cons
Electronics Forum | Thu Aug 26 04:22:26 EDT 1999 | JAX
| | | | | | | Hello everyone, | | | | | | | We found many cylindrical diodes missing during SMT process. Could someone tell us how to prevent this problem? Is it effective to change the shape of stencil apture or reduce fan speed in reflow oven? Than
Electronics Forum | Tue Aug 24 15:06:06 EDT 1999 | John Thorup
| | I am looking for a source of tooling pins (various diameters) which can be easily attached (ie. taped) to pieces of FR-4 stock to allow for quick and cheap fixtures to run in my smt machines. I've seen these in the past where the pins are attach
Electronics Forum | Mon Aug 23 21:50:13 EDT 1999 | Mike Konrad
I use the Olympus C-2000 Digital Camera. It has 1600 x 1200 resolution with 2.1 mega-pixels. Nothing gets by this camera. It should pick up all of the detail you need. This model is a bit expensive though (about $ 1,000.00). It features a nifty
Electronics Forum | Mon Aug 23 14:13:23 EDT 1999 | C.K.
SMTnetters: Does anyone know of a place where I can have some test boards made? I don't need a board with a working circuit, traces or anything like that, but a board similar to those "test boards" that you all see at the Placement Equipment manufa
Electronics Forum | Fri Aug 20 12:44:27 EDT 1999 | ScottM
| IF anyone is placing 0402's with the Mydata tp-18 I would like to here how reliable it is(with these little buggers). | | | Thanks | | MD Cox | I've been placing them with a TP9-2U. You need to buy a new tip and a new feeder to accept taped co
Electronics Forum | Wed Aug 18 21:26:08 EDT 1999 | Dave F
| Yesterday as I was creating a profile on a plastic BGA using Conceptronics freedom 2000 rework station, I happend to discover that I was able to remove solder bridging from a plastic BGA. | | This is what I did. | | Created a removal profile, I h
Electronics Forum | Wed Aug 18 12:35:41 EDT 1999 | Earl Moon
| | WE ARE CURRENTLY HAVING PROBLEMS REFLOWING BOARDS WITH WHITE TIN PLATING. WE ARE NOT GETTING GOOD WETTING ON THE PADS. | | WE HAVE CHECKED THE REFLOW PROFILE AND TRIED DIFFERENT PASTE'S. | | WE THINK THERE MAY BE CONTAMINATION OR OXIDATION ON THE
