Electronics Forum | Sat Nov 14 08:00:34 EST 1998 | Earl Moon
| Also the preheating of the board is done to help evaporate any water/alcohol that is in the flux - water is a big problem in No-clean processes. From our experience, a temp range around 200f - no more than 220f is ideal for the bigger boards, but t
Electronics Forum | Fri Oct 23 16:01:18 EDT 1998 | Earl Moon
| I need some info on how to stop the bridges I'm having on | radial and axial parts that are in the same place on every board. I'm also having problems with sot-25 bridging. I'm using a Electrovert E-pak. I tried leveling the machine,solder pot, an
Electronics Forum | Thu Oct 22 01:43:43 EDT 1998 | Frank J. de Klein
| My company is looking for higher density for card layout. One suggestion has been locating active components packaged in SOT's and SOIC's on the B-side of the card. This in turn will require wave soldering of the above mentioned components. When I
Electronics Forum | Fri Oct 23 04:16:16 EDT 1998 | Tony B
| | My company is looking for higher density for card layout. One suggestion has been locating active components packaged in SOT's and SOIC's on the B-side of the card. This in turn will require wave soldering of the above mentioned components. When
Electronics Forum | Thu Sep 03 14:09:22 EDT 1998 | Matthew Park
Rich, From my experience, few causes of capacitor cracking are: - mechanical stress caused by pick'n place nozzles and chucks. Try to isolate and find cracked caps before boards go thru reflow or wavsoldering. - thermal stress by reflow pro
Electronics Forum | Thu Sep 03 11:31:43 EDT 1998 | Ben Salisbury
| I am in need of possible causes and solutions to capacitors that are failing in the field. | Are there issues in our process that need to be | checked? | Some people said the problems are due to improper | storage. Others say it is thermal stre
Electronics Forum | Fri Jul 17 14:31:11 EDT 1998 | Steve Gregory
Yeeeeeeeee-Haw! It's FRIDAY!!! There....got that offa' my chest...feel better now..hehehe Is everyone hot enough yet? I think all my volatiles have been driven off, I'm preheated pretty good, so I'm jes' about ready to reflow.....whew! Anyways, I di
Electronics Forum | Fri Jun 19 21:04:21 EDT 1998 | Dennis O'Donnell
| | I am looking for a quickly obtainable procedure on the repair of SMT boards. I am particularly interested in discrete components, such as | | capacitors and resistors. | | I need to know the importance of pre-heating the board and components. Wh
Electronics Forum | Fri Jun 12 14:31:04 EDT 1998 | Earl Moon
| | Hey all! | | The wave solder warrior is back. I have found a flux which leave almost no residue (the least yet), but because of its super low solids content I absolutely cannot get topside fillets. The multi-layer, two sided board is on a
Electronics Forum | Fri Jun 12 15:56:43 EDT 1998 | Ryan
| | | Hey all! | | | The wave solder warrior is back. I have found a flux which leave almost no residue (the least yet), but because of its super low solids content I absolutely cannot get topside fillets. The multi-layer, two sided board is o
