Electronics Forum: pcb (Page 257 of 936)

PCB fab supplier supplier/evaluation

Electronics Forum | Thu Aug 05 16:59:55 EDT 1999 | Earl Moon

Mike, Got your message and those of others concerning PCB fab supplier evaluation and qualification check lists, etc. I have a severe problem here in WI as I can hardly access the internet, and when I do it is cut off abruptly for no good reason. I

Re: PCB fab supplier supplier/evaluation

Electronics Forum | Thu Aug 05 17:24:44 EDT 1999 | M Cox

| Mike, | | Got your message and those of others concerning PCB fab supplier evaluation and qualification check lists, etc. I have a severe problem here in WI as I can hardly access the internet, and when I do it is cut off abruptly for no good reas

Re: What's a good sub for 1,1,1-trichloroethylene

Electronics Forum | Mon Jul 26 13:15:51 EDT 1999 | jseagle

I guess I wasn't too specific. We currently use 1,1,1 for spot cleaning and minimal rework of PCBs. If there is a lot of rework on a PCB we will use water soluble flux and wash it. This may turn out to be our only alternative, but I hate washing a

Re: bowtwist

Electronics Forum | Thu Jul 22 05:00:45 EDT 1999 | George Verboven

| I have pcb's in which i am experiencing warping. | the boards are 12.8125" on a diagonal measurement. | they are out approximatley .010". | the boards are combination thru-hole,smt, they also have 3ounce copper.what is acceptable,and what is the pr

Optimizing PCB for SMT

Electronics Forum | Fri Jul 16 13:33:31 EDT 1999 | Dale

We are converting from COB to SMT on a product line and want to optomize the PCB as far as Laminate, plating, passivation etc. This is a high temp application 150C. We are presently using BT Laminate but would like to get away from this. We are lo

Re: Reflow FR2

Electronics Forum | Wed Jul 14 09:33:18 EDT 1999 | Dave F

| Our plant in Slowakia tries to convince me that it is not possible to reflow FR2 PCB-material. | At this moment the PCB's leave the reflow dark coloured and they are schrinked. | | I'm still waiting for a reflow profile, because I can't believe th

Re: Anyone know a independent PCB inspection of BGA (X-Ray).

Electronics Forum | Tue Jun 08 10:22:41 EDT 1999 | John Thorup

| Anyone know a independent PCB inspection of BGA (X-Ray). We have several test boards that need BGA inspection. For detailed analysis try X-Tek in Santa Clara, Ca. 408/486-9620 or you can rent the RTX from Glenbrook Technologies for $950 per week 2

Re: Anyone know a independent PCB inspection of BGA (X-Ray).

Electronics Forum | Tue Jun 08 12:53:01 EDT 1999 | Dave F

| Anyone know a independent PCB inspection of BGA (X-Ray). We have several test boards that need BGA inspection. | Try: Fein Focus 614.885.3040 Bob Ward Pantak 203.468.3011 Bob Maziuk Accurel (Feinfocus) Sunnyvale, CA 408-737-3892 Regina Campbell F

Re: Anyone know a independent PCB inspection of BGA (X-Ray).

Electronics Forum | Tue Jun 08 14:25:28 EDT 1999 | Tony

| Anyone know a independent PCB inspection of BGA (X-Ray). We have several test boards that need BGA inspection. | Rob, Try Qtron, Inc. They have a CRT X-ray machine. They also have BGA rework capabilities. Contact: Frances San Clemente (619) 530-3

Re: SMD mounting method

Electronics Forum | Fri Feb 05 04:18:44 EST 1999 | Joni Siipola

| Joni: What is it about your situation with the board/component/process that makes you want to explore alternatives? Dave F Dave: In our case the component is placed on metalled footprint which has via holes to transfer the heat via holes to the


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