Electronics Forum: smd flip over (Page 5 of 21)

Ultimate Work Bench from a GSM

Electronics Forum | Fri Aug 12 05:24:35 EDT 2022 | ttheis

We recently parted out a GSM machine that we could not get operational. As parts came off of the machine it looked like the frame would make the world's strongest welding/work table. We stripped the frame bare and flipped it over instead of scrapping

Re: Aperture sizes for printing SMD adhesive

Electronics Forum | Fri Feb 19 12:56:34 EST 1999 | Tony A

| Please could you suggest a recommended aperture sizes for | printing of smd adhesives. Any recommendations on stencil thickness as well as stencil finish will be appreciated. | Mark, talk to Irene Horvath at I Source Technical Services, Inc. Her

Temperature Profiling

Electronics Forum | Fri Dec 11 01:59:35 EST 2009 | lococost

We use SMD glue to fix our thermocouples to the PCB, pretty destructive method (although boards will stil work), but there is nothing worse then making a measurement, waiting for everything to cool down, to then find an bad thermocouple connection wh

Through hole SMD in SMT process-Length question

Electronics Forum | Mon Jul 18 22:31:25 EDT 2016 | cmchoue

Hello, Experts I have a question about Through hole SMD part in SMT process The PIN Length can't over PCB board how many that will happen defect? any advice or data(IPC rule maybe) ? Thanks Wish you have a nice day

IR Versus Hot Air - Put-Up Your Dukes

Electronics Forum | Thu Sep 23 20:23:58 EDT 1999 | Dave F

Jackie's posting recently and responses to it got me to dondering. First, recollecting, we bought an IR rework station a couple million years ago. It had a IR source on a stand, a bunch of lenses, and Reynolds aluminum foil for shielding near-by co

Re: IR Versus Hot Air - Put-Up Your Dukes

Electronics Forum | Thu Sep 23 20:57:13 EDT 1999 | Dean

| Jackie's posting recently and responses to it got me to dondering. First, recollecting, we bought an IR rework station a couple million years ago. It had a IR source on a stand, a bunch of lenses, and Reynolds aluminum foil for shielding near-by

Re: Rework induced thermal shock of SMD capacitors

Electronics Forum | Thu Jan 01 13:04:42 EST 1998 | scott cook

| Has anyone had any experience with thermal shocking | and cracking of SMD capacitors during the rework process? | My company was advised to preheat capacitors to 125 C | at a rate of 2 C/sec before replacing them onto boards. | Would this maybe

Re: Help with new placement equipment

Electronics Forum | Thu Oct 15 08:06:17 EDT 1998 | Sjef van Gastel

|John, Why do not you consider the Philips Powerline concept ? The Powerline consists of the combination of FCM and ACM. These 2 machines represent the best in class in SMD placement. The FCM can accomodate 96 8 mm tapefeeders, while the ACM can ac

Re: Help with new placement equipment

Electronics Forum | Fri Sep 10 12:06:45 EDT 1999 | The Guc

| | | | I need to install some new lines for high mix low volume products in an already cramp building. Could someone share any info about the machines which give you the best bang for floor space. I need a 2 machine system for placing 0402 to fine

Gold versus HASL

Electronics Forum | Fri Sep 13 14:35:03 EDT 2002 | davef

Thanks Bernard. On your profile: Adding gold to your solder alloy will increase the liquious temperature. So slowing your reflow oven conveyor is a perfectly reasonable approach, especially for pads with low surface area. We don't even notice a di


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