Electronics Forum: electronic (Page 4071 of 7890)

Large Board Assembly

Electronics Forum | Wed Oct 10 00:12:42 EDT 2001 | laujh

May I join in this forum also? Does Universal has any new/special platform avaiable in the market to handle board size up to 20" x 32" and thickness 0.300". The current HSP 4796A and GSM1/2 can only handle board size up to 14" x 18" and 18" x 20" r

Large Board Assembly

Electronics Forum | Fri Nov 09 14:34:30 EST 2001 | vickt

As mentioned in other replies, the Universal GSM has expanded capabilities....As for the UIC HSP's....the 4796L can handle an 18" x 20" panel as standard, and has options to go up to 18" x 24.5". Did I mention that the 4796L places at a 0.10 tact ti

Excess Flux in uBGA rework

Electronics Forum | Tue Sep 25 15:48:34 EDT 2001 | mparker

Scavenge all the old solder off the board and the chip. Micro screen paste to the chip. As far as thickness, check your aspect ratio to determine the spec. Eliminate just one variable at a time to get to the root cause. Start by not using the tacky

Excess Flux in uBGA rework

Electronics Forum | Mon Oct 01 04:01:08 EDT 2001 | wbu

You got the right feeling for that I guess but what if somebody else is doing your trick, is it still repeatable? Personally I wouldn�t trust that method more than the brushing. Did you try the dipping method ? The thing from Dave with this "card-com

Inverted Chip Resistor

Electronics Forum | Wed Sep 26 11:59:26 EDT 2001 | mparker

Electrically, the part still works, even if upside down. When upside down, you cannot see the part identifier. If you are an OEM and your QA/QC people don't freak out because they can't read the part, let it go. If you're a CM, your customer would

External Factors to be controlled during assembly

Electronics Forum | Sat Sep 29 08:19:16 EDT 2001 | davef

The current version of ANSI/J-STD-001, "Requiremnts For Soldered Electrical & Electronis Assemblies" is C [3/00]. The following sources can help you: * IPC http://www.ipc.org * SMTA http://www.smta.org * Document Center http://www.document-center.c

solder wire

Electronics Forum | Sun Sep 30 00:54:06 EDT 2001 | chinaman

Has anybody heard about solder wires for rework with a V-notch in order to avoid solder balls which might be caused by shooting flux when getting hot. The notch is as deep to reach the core so that the flux can expand easily. I can imagine the effect

solder wire

Electronics Forum | Mon Oct 01 03:46:57 EDT 2001 | wbu

Have never heard of solderballs during rework using solder wire. Noticed the tendency to have little balls of flux with too hot iron and lots of solder used for shields or massive cables to be connected. Seems to me a question of believe if it does

Library links are dead...

Electronics Forum | Mon Oct 01 14:32:16 EDT 2001 | stefo

I know that it's probably a lot of work, but is there anyway to delete links that are dead in the library? I was searching for some papers and articles, and just about every link I clicked on was dead (page could not be found)...I got so frustrated

Library links are dead...

Electronics Forum | Mon Oct 01 15:28:50 EDT 2001 | roland

Steve, Thanks for the note about the library... Good timing too as we are in the process of revamping the library. Your input is always welcome and we would appreciate any ideas you or other SMTnetters would like to provide about the new library d


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

Winsmart Electronic Co.,Ltd
Winsmart Electronic Co.,Ltd

Manufacturer of PCB depaneling and PCB soldering machines since 2005, products include CE approval V-groove PCB depanelizer, PCB router, PCB punching machine, laser depaneling, hot bar soldering machines and soldering robots.

Manufacturer

Liwu Industrial Park, Yuanzhou Town, Boluo
Huizhou, China

Phone: +86-138-29839112

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

Software for SMT placement & AOI - Free Download.
One stop service for all SMT and PCB needs

Training online, at your facility, or at one of our worldwide training centers"
Voidless Reflow Soldering

High Resolution Fast Speed Industrial Cameras.
High Throughput Reflow Oven

Easily dispense fine pitch components with ±25µm positioning accuracy.
Professional technical team,good service, ready to ship- Various brands pick and place machine!