24899 used results

Electronics Forum: used (Page 1188 of 2490)

BGA Rework affected by cold weather?

Electronics Forum | Thu Dec 04 10:59:02 EST 2014 | rrosera

HI, I work for a company in New England and recently had a unusually large number of boards fail after replacing a BGA on them. We use a AirVac DRS25 to remove and replace the BGA witch uses local forced hot air. We usually have at least a 90% s

Reverse Auction Sites - PCB Board manufacturing

Electronics Forum | Wed Jan 21 14:50:30 EST 2015 | rwa71122

Hello All, First, I am new to this forum, so please excuse any mistakes I make in this post. We have had much success in securing good suppliers for our CNC machined components using the reverse auction site MFG.com. Does anyone know of any simila

how to solder manganin 0.05mm manganin wire to a copper plate

Electronics Forum | Thu Jan 29 09:18:36 EST 2015 | davef

Nichrome, manganin, phosphor bronze etc are easy to solder ... the hard part is removing the corrosion * Manganin: 86% copper, 12% manganese, 2% nickel. Often, it's used in making cryogenic measurements, due to its low heat loss. * Select a flux for

PCB SHELF LIFE AFTER FIRST REFLOW

Electronics Forum | Mon Feb 09 09:00:17 EST 2015 | jax

Outside the MSD issues stated already (and I cannot provide a exact time not knowing multiple factors like Humidity levels, temps, exposure times, etc...) OSP might be the very worst finish to use in this scenario of side 1 / store on a shelf / side

Can anyone tell me that between Mirtek & Kohyoung which AOI machine will be better and why?

Electronics Forum | Tue Feb 17 12:58:11 EST 2015 | anvil1021

The MV-7 OMNI is a Great Machine, has the same 3D Solution MV-9 Quad Moire Multi Frequency System. You will not be disappointed, you will find new ways to use the 3D system as time goes on and it is rock stable and incredibly precise. Either the MV-

AOI machine

Electronics Forum | Tue Feb 17 09:33:43 EST 2015 | emeto

Hello, I have two of these for the last 3 years(MV-7xi). Buy the machine with the best camera they offer and with the telecentric lens - it gives great view and resolution. I had to replace the controller for conveyer open/close on both of them. I a

ERSA Hotflow 5

Electronics Forum | Sat Feb 21 11:07:39 EST 2015 | jfuess

Hello all, I have recenetly come into possesion of a used Hotflow 5 oven and I'm trying to get it running. Unfortunatly the LCD/Keypad has been damaged and although it still works, some of the buttons don't function and the LCD has lines through i

Quad MV-100 Stencil printer help needed

Electronics Forum | Mon Feb 23 13:11:48 EST 2015 | ercdave1

Hello All, thank you for taking the time to look at my post. I have a Quad MV-100 Machine that I have used for years with great success. and today it appears that the settings reverted to the original default. I managed to enter most settings back

Questions you would ask if someone said they had a 3D printer for professional multi-layer PCBs?

Electronics Forum | Wed Feb 25 09:09:24 EST 2015 | spoiltforchoice

Are we talking a professional device that takes something like the Squink/Voltare/EX1 projects on Kickstarter and delivers something that could be confidently used commerically? Would it be strictly a prototyping tool or would it also be suited to lo

Common Problems When Learning Electronics? Ideal Solutions?

Electronics Forum | Mon Mar 23 10:58:42 EDT 2015 | kingwill829

Hey guys, I'm an electronics enthusiast, and I'm thinking of starting an electronics blog where I can share content that people learning about electronics will find useful. I find that a lot of the educational electronics resources I come across off

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