Electronics Forum: boarded (Page 746 of 1638)

Wanted book. PCB Design and Technology (Bosshart)

Electronics Forum | Wed Feb 24 12:12:29 EST 2021 | kumarb

Found some stock in India https://www.amazon.in/Printed-Circuit-Boards-Walter-Bosshart/dp/0074515497

What defect in SMT will be cuased by dust contamination?

Electronics Forum | Mon Mar 08 20:39:03 EST 2021 | tey422

For boards that would need the conformal coating process, you would need to have them as clean as possible; especially the no clean process

Array drawing software

Electronics Forum | Wed Mar 31 20:21:04 EDT 2021 | emeto

Do you have a software that you can use to create dimensional array drawing for PCB using gerbers or gerber input. If not, do you have software that can open board house gerbers and create a dimensional pdf drawing? Thank you!

SAC305 preforms not wetting to ENIG pad in fluxless process

Electronics Forum | Tue Apr 27 07:46:14 EDT 2021 | jeremy_leaf

I have tried cleaning the pads. That was our first step. Ultrasonic cleaning in acetone and IPA, and also tried etching in a 10% HCL solution. Our board is definitely achieving the correct temperature.

Gold finger burnishing

Electronics Forum | Tue Apr 27 12:33:37 EDT 2021 | SMTA-64304163

We have some circuit boards with some burnishing on the gold fingers from beveling. Does not go through the gold but is cosmetically noticeable. Is this a defect? Is it rejectable or cosmetic? Can someone tell me where the IPC deals with this? I ha

Alternatives to v-score or mouse-bites?

Electronics Forum | Mon May 03 20:49:29 EDT 2021 | dwl

Can you use a conventional router? For boards that small and thin, you could also look into punch dies

GSM activating upline conveyor while machine is busy

Electronics Forum | Mon May 03 18:47:50 EDT 2021 | ttheis

One of our gsm machines has recently started activating the upline conveyor while the machine is working causing boards to double load. Has anyone seen this before or have suggestions where to start before I dig into schematics? Thanks

AOI Omron Machine

Electronics Forum | Fri May 14 14:44:06 EDT 2021 | dontfeedphils

If you add a FIFO buffer after reflow and before AOI you can avoid boards piling up in reflow and give yourself some wiggle room on cycle time mismatches between pick and place and AOI.

Juki KE-2050 and SMT XXS

Electronics Forum | Thu Jul 01 18:05:16 EDT 2021 | cyber_wolf

2050's are old and no longer supported. If a major component fails you could be in trouble. Control boards etc....

Need manual for Asys board handling machines

Electronics Forum | Fri Aug 06 05:04:45 EDT 2021 | oxygensmd

Hello Everyone, I am looking for manual for the following equipments: Asys MPS 50D (mag buffer), Asys TDM 03 (telescoping conveyor), Asys AES01 (1mag loader), Asys LSB 03 (stacker). I hope you can help.


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