Electronics Forum: used (Page 1399 of 2487)

vitronics delta backplate

Electronics Forum | Thu Feb 14 04:40:38 EST 2008 | lococost

You want the backplate set up so that when there's no PCB the wave stands still or moves towards the PCB. When the PCB moves over the wave, it should just pull the wave towards the back (in the same direction as the PCB). This will help reduce brid

On site dye & pry equipment

Electronics Forum | Thu Feb 07 08:08:20 EST 2008 | scottp

We also use machinists dye. I like to pull a vacuum on the board after wicking the dye under the BGA. It seems to help fill fine cracks. I'll stick it in a warm oven if I'm in a hurry for the dye to dry. Then just bend the board to pop off the BGA.

Corrosion due to RTV adhesive

Electronics Forum | Thu Feb 07 18:19:38 EST 2008 | mobytahoe

We are experiencing corrosion and subsequent pcb contamination from the RTV material used to secure a Power Supply. The degradation takes place over a few weeks. The power supply vendor is balking at liability, our OEM customer is screaming. Anyone

Replacing small SMD PMICs

Electronics Forum | Mon Feb 11 02:37:41 EST 2008 | bvdb

Hi Grant, I wouldn't worry too much. If your PCB has a solder mask, just glob the solder on and use solder wick to suck up the excess. A bit of Isopropal alcohol afterward with a cotton swab will make it look like it's been reflowed. Cheers, Ber

BGA Voids

Electronics Forum | Mon Feb 11 17:21:40 EST 2008 | larryd

What causes BGA voids over 25%? Have recommended profile for solder paste, hit 237C for 5 seconds and still get a void on 2% of specific BGA in various locations. BGA is FG676, 1mm pitch, on ImAg using lead free paste OM338 on a 6 layer FR4 PCB.

BGA Voids

Electronics Forum | Tue Feb 12 04:07:29 EST 2008 | aj

Hi, Have you checked out the BGA datasheet and see what profile is recommended for the BGA ? I use OM338 and there are dozens of recommended profiles for the Paste but you have to consider the components aswell. You state your Peak temp which I w

cleaning anodized panels

Electronics Forum | Wed Feb 13 05:56:55 EST 2008 | johnlee9210

Our front panels (where the controls show) for our assembled amplifiers are anodized and we make sure that it is free from oils or other stains prior packing the whole assembled unit. We just use damp cloth in cleaning and sometimes flux remover for

BGA dropping off the board

Electronics Forum | Fri Feb 15 06:21:34 EST 2008 | marjorie

Thanks for the comments and advice. The rest of the components have good solderability except for the BGA that fell off. Our production is high mix low volume so the quantity was very small. I'll check the pcb lands next time I run. It could be a con

BGA dropping off the board

Electronics Forum | Mon Feb 18 02:08:06 EST 2008 | lococost

4 days seems a lot. You could be losing flux activation causing poor wetting on the enig. Check your suppliers data sheets for paste life. If it was contamination on the PCB, you'ld expect other components to solder badly as well. Try using a bra

PTH lead milling

Electronics Forum | Mon Feb 18 08:56:44 EST 2008 | operator

It does exist. We used to have one here, but sold it. It was more of a manual process though. You put the assembled board on the work table and then set your cutting blade height. Then you manually moved the cutting blade around shearing off the TH l


used searches for Companies, Equipment, Machines, Suppliers & Information

SMTUNION
SMTUNION

We are a global electronics manufacturing Solutions provider ....Our company supplies new and used SMT equipment, spare parts, consumibles, ESD supplies and services to a wide range of EMS companies.

Equipment Dealer / Broker / Auctions

Parque Industrial Nogales No. 5297 Zapopan
Jalisco, Mexico

Phone: 523316044491

Equipment Auction - Eagle Comtronics: Low-Use Electronic Assembly & Machining Facility 2019 Europlacer iineo + Placement Machine  Test & Inspection: Agilent | Tektronix | Mantis Machine Shop: Haas VF3 | Haas SL-20 | Mult. Lathes

Benchtop Fluid Dispenser
2024 Eptac IPC Certification Training Schedule

Component Placement 101 Training Course
PCB Handling Machine with CE

Software programs for SMT placement and AOI Inspection machines from CAD or Gerber.
Electronic Solutions

Training online, at your facility, or at one of our worldwide training centers"
design with ease with Win Source obselete parts and supplies

500+ original new CF081CR CN081CR FEEDER in stock