Electronics Forum | Wed Apr 28 16:49:47 EDT 1999 | Tony A
| | Anyone using hot air nife for wave soldering process. | | Does it work? | | Does it really eliminate solder bridging and does it create any other problems? | | | | any feed back will be much appriciated. | | | | Thanks | | | | Tony A | | |
Electronics Forum | Fri Apr 23 16:19:17 EDT 1999 | Todd
We are just starting to manufacture a PCB with a .039" fine-line PBGA. We are currently seeing voids, mainly in the center, that are as much as 45%. We also intermittently see the corner balls of the PBGA smaller than the center balls. We are using a
Electronics Forum | Sat Apr 24 04:41:56 EDT 1999 | Murray Pulman
Dear C.K We are routinely wave soldering 0603 and sot23 on subcontract, hence we get what we are given!!. Being UK based we use a Blundell cms 400 dual wave soldering machine (made in Coventry), Tecan Stencils and Loctite 3612 adhesive. You must k
Electronics Forum | Wed Apr 21 20:01:00 EDT 1999 | Dave F
Earl said, in essence: | Justin is absolutely right ... | | Again, Entek is not much more than a flux coating ... | | Metallic coatings protect best, as we all know - especially those electroplated. Those coatings chemical come in next to no coati
Electronics Forum | Thu Apr 22 16:07:36 EDT 1999 | Rick
| | Do solders exist that are both lead-free and low-temperature (e.g. 100-170 Celsius range)? If so, who supplies these materials? Any websites or contact information would be most helpful. | | | | Also, I am not an expert on soldering, so any
Electronics Forum | Mon Apr 19 13:17:00 EDT 1999 | Dave F
| Dear all | Considering Anti static precautions? | 1-Do we need to add a layer of ...say . Epoxy for the floor in our factory? | provided that .The current floor is hard top concrete of 250 Kg/cm2. | 2- Anti body heared about Wire less Hand strap So
Electronics Forum | Mon Mar 29 23:24:04 EST 1999 | SMT CONSULTANT
It's unfortunate that there are corporations that exist that would actually hire and employ people of your specimen. You, obviously by your screen name, GSM GURU!, are a complete idiot. I'd like to see you and your idiot brother C4 GSM GURU terminat
Electronics Forum | Mon Mar 15 18:42:35 EST 1999 | Dean
| | Are stencils universal from one printer to another? We are looking into the possibility of going from Solderprint 1414 manual printer to a more automated printer. We are also considering bringing some boards we currently outsource in house. I
Electronics Forum | Mon Mar 15 15:52:38 EST 1999 | Earl Moon
| After switching from No-clean flux to Water soluble (Kester)we encountered voids problem (X-ray and microsectioning). Reducing the apperture sizes made the voids smaller but did not eliminate them. So we had to go back to No-clean. Any idea why voi
Electronics Forum | Wed Mar 17 12:19:53 EST 1999 | Scott Cook
| Does anyone have any recommendations on spray fluxers? Are there major differences between the high priced ultrasonic machines to the low priced flux/air spraying machines? We are going to be spraying an OA flux with 11% solids content. Are there a
