Electronics Forum: index (Page 6531 of 7890)

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

looking for a mnaul Surface Mount prototype assembly workstation

Electronics Forum | Wed Feb 17 08:49:53 EST 1999 | Brian G Bancroft

Hello all in SMT land: My name is Brian G Bancroft and I work for Lucent Technologies in New jersey. I have been asked to try and find information on a bench top workstation with micro-manipulation ability, soldering capability and binocular

Re: looking for a mnaul Surface Mount prototype assembly workstation

Electronics Forum | Wed Feb 17 17:34:17 EST 1999 | Karl Mighton

| Hello all in SMT land: | | My name is Brian G Bancroft and I work for Lucent Technologies in New jersey. I have been asked to try and find information on a bench top workstation with micro-manipulation ability, soldering capability and bin

Re: looking for a mnaul Surface Mount prototype assembly workstation

Electronics Forum | Wed Feb 17 17:49:26 EST 1999 | Zboss

| | Hello all in SMT land: | | | | My name is Brian G Bancroft and I work for Lucent Technologies in New jersey. I have been asked to try and find information on a bench top workstation with micro-manipulation ability, soldering capability a

Re: looking for a mnaul Surface Mount prototype assembly workstation

Electronics Forum | Wed Feb 17 17:51:37 EST 1999 | Zboss

| | | Hello all in SMT land: | | | | | | My name is Brian G Bancroft and I work for Lucent Technologies in New jersey. I have been asked to try and find information on a bench top workstation with micro-manipulation ability, soldering capabi

Re: Poor Quality Components

Electronics Forum | Tue Feb 16 19:31:46 EST 1999 | Earl Moon

| We appear to receive certain standard discrete components (1206,0805,&0603)that deviate in size and shape to the extent that vision processing discard rates are through the roof. Does anyone else have problems with vendors being unable to produce

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: Squeegee Pressure

Electronics Forum | Sat Feb 13 07:57:42 EST 1999 | Kelly

| I am fairly new to the SMT game and I am getting conflicting answers to the following. Maybe someone can help me! When printing, one person is telling me that the stencil should be wiped completely clean of all paste because the quality of the


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