Electronics Forum: boarded (Page 1368 of 1638)

Re: SMT production Quality

Electronics Forum | Mon Feb 22 20:52:22 EST 1999 | Dave F

| we are acompany under construction for producing assembled PCB for computer manufacturing .as we are one of the first in Egypt in the field. | | Hence if some body can tell us about what we might need in the manual insersion line ( production

Re: Solder Balls

Electronics Forum | Wed Feb 17 11:31:37 EST 1999 | Bill Schreiber

Dear Al, Are these reworked, double-sided boards? If you attempt to clean side #2 of double-sided misprint in a "spray" type cleaner, millions of solder balls can be broadcast throughout the same chamber as the populated side #1. Or, if this is a s

seeking an equipment vendor for prototyping Surface Mount PC boards

Electronics Forum | Wed Feb 17 08:58:50 EST 1999 | Brian G Bancroft

Hello Admin: I am looking for a vneodr or vendors who specialize in a bench top-size Surface mount assembly/soldering station for prototyping PCBs with surface mount resistors. the unit needs to have: micro-manipulators binocular magn

Re: Good Solder Joint Failures

Electronics Forum | Thu Feb 18 17:06:33 EST 1999 | Dave Jurena

| Hope some of you out there can help me with this one. | I am getting feedback from our test department that they are showing opens on solder joints which have visually good wetting. The touch-up operators confirm that the joint looks good. All they

Re: Squeegee Pressure

Electronics Forum | Fri Feb 12 18:48:19 EST 1999 | Jon Medernach

Bill, You should wipe clean. The thin layer will dry out quickly and cause other problems. Remember squeegee down stop and squeegee pressure are seperate issues. If your downstop is to low the stencil and board will flex down, after the squeegee p

Re: double reflow

Electronics Forum | Thu Feb 11 09:59:49 EST 1999 | Dave f

| I would like to have information about the processability of different packages. | In particular I would like to known for which package I can use a double reflow for soldering. | | Best Regards | | | Michele: Double sided reflow is common pra

Re: BGA PROFILE

Electronics Forum | Tue Feb 02 14:53:56 EST 1999 | Tony

| Hi everybody. | Somebody know any consideration or special care to make a profile for BGA's. | | any advice is aprecied. | | thanks | Al Carrillo | | | | Al, I have been using the same process as Justin recomendations. I have been verry su

Attenna assembly for RF board

Electronics Forum | Fri Jan 29 15:39:04 EST 1999 | Chris Jackson

I have a recent design (1 component side only) that calls for 2 surface mounted antenna's (brass plated) to be mounted on a PCB. The problem arises when the PCB is 18x11.25 and has 15 to 20 PCB's in the pallet (IE weight, fixturing to hold the anten

Re: Attenna assembly for RF board

Electronics Forum | Sun Jan 31 14:03:41 EST 1999 | Dean

| I have a recent design (1 component side only) that calls for 2 surface mounted antenna's (brass plated) to be mounted on a PCB. The problem arises when the PCB is 18x11.25 and has 15 to 20 PCB's in the pallet (IE weight, fixturing to hold the ant

Re: White layer appearance on PCB

Electronics Forum | Thu Jan 28 20:00:54 EST 1999 | Dave F

| Okay, | | Another question, if the soldermask in not cured, then it is washed will water ingress (from wash or ambient ) play havoc with capacitance or dielectric of PCB. I mean will my crystal and clock circuits start "Y2K'n" on me. OR will my P


boarded searches for Companies, Equipment, Machines, Suppliers & Information