Electronics Forum | Sat Aug 28 15:43:56 EDT 1999 | ScottM
| Recently, our solder dross reclaimer refused to take our | used solder paste tubes. He said the small percent of paste | remaining in the tube is now considered hazardous waste. I'm interested in advice on how others are disposing of this "hazardou
Electronics Forum | Fri Aug 27 10:25:52 EDT 1999 | Matthew Park
Is it feasible to have one type of board carriers to take boards thru 1) glue curing process for first side and 2)invert carriers with boards, and 3)reflowing second side, and 4) do manual stuffing of th components and 5) take them thru selective wav
Electronics Forum | Mon Aug 30 16:14:58 EDT 1999 | Dave F
| I am building a board with T1/34 LED's in a 10X10 array there are 12 arrays in a panel. The LED's are body to body in the array, .1 spaced. The LEDS have been autoinserted on a Universal RAD III, so they are cut and clinched. The trouble I am havin
Electronics Forum | Thu Aug 26 10:28:07 EDT 1999 | Stuart Adams
What are the key steps to achieving high yield with CSP ??? (We are trying qualify vendors for volume fab/assembly of some products which use several CSP devices on each side of the board. (Some with 0.5mm ball pitch)) Looking through the forum I
Electronics Forum | Fri Aug 27 13:24:19 EDT 1999 | swsng
| What are the key steps to achieving high yield with CSP ??? | | (We are trying qualify vendors for volume fab/assembly of some | products which use several CSP devices on each side of the | board. (Some with 0.5mm ball pitch)) | | Looking throu
Electronics Forum | Thu Aug 26 11:01:47 EDT 1999 | Wolfgang Busko
| 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 | Wed Aug 25 10:09:15 EDT 1999 | ray hare
| | Can anyone tell me where I can get a good lightweight material to use for a soldering fixture? I need to make various fixtures to hold LED's vertical during the soldering process, and keep them from floating up off the board surface. | | | | At
Electronics Forum | Wed Aug 25 10:51:55 EDT 1999 | Peter Barton
| Can anyone tell me where I can get a good lightweight material to use for a soldering fixture? I need to make various fixtures to hold LED's vertical during the soldering process, and keep them from floating up off the board surface. | | At a dif
Electronics Forum | Thu Aug 26 18:23:21 EDT 1999 | Chad Haima
| Can anyone tell me where I can get a good lightweight material to use for a soldering fixture? I need to make various fixtures to hold LED's vertical during the soldering process, and keep them from floating up off the board surface. | | At a dif
Electronics Forum | Wed Aug 25 09:48:28 EDT 1999 | Larry Koens
| | | Could use a little help here. Can anyone clarify to me the cause and fix of chip caps/resistors tombstoning following reflow? | | | | | | Any help would be appreciated. Thanks. | | | | | Most common reason is uneven heating where one side
