Electronics Forum: gabriel (Page 2 of 3)

SMD land patterns design for wave soldering

Electronics Forum | Wed Jul 03 14:08:10 EDT 2002 | gbriceno

I' designing a PCB with SMD components to optimize the land patterns for wave soldering. I find that the IPC-SM-782 land patterns are not robust enough for wave soldering, yielding ramdom skips and bridges. This PCB will also give me insight on sha

SOT23 jumping off pads when reflowing

Electronics Forum | Tue Sep 16 10:31:50 EDT 2003 | mantis

Medium should be fine,is it only one particular reference designator all the time or is it sot23's in general that are moving.Also If it is only one ref designator what are the surrounding parts and how close are they. Gabriele, Could i have your em

Help for replacing BGA with metal heat sink

Electronics Forum | Fri Sep 26 08:15:01 EDT 2003 | Gabriele

Forced gas (hot air or N2 according to solder paste or flux) will be the solution. To rework Ceramic (Aluminum lid Heat Sink)BGA (32 mm square ) or Ceramic Colum Grid Array C-CGA 1,25 and 1,00 mm colum (pitch 42,5mm square), also them capped with a

Maximum production per SMT Line

Electronics Forum | Mon Jun 07 14:13:53 EDT 2004 | ricardof

Gabriele, yes you're right, but my question is more focused to restrictions as for the Operators, and then the performance in Screen Printer and Oven. The board has 400 high speed parts and 20 parts for Odd Shape machine (QFPs and 2 BGAs), Board is n

Panasert mv2f floppy drive replacement

Electronics Forum | Wed Oct 21 00:37:36 EDT 2020 | gabriel1blue

Has anyone been able to replace or upgrade the floppy drive for this old machines? I tried floppy drive emulator but have not been able to make it work. Floppy drive are old and have many problems anyway and would prefer to change it to something new

IONIC CLEANLINESS SPEC FOR BARE PWBs

Electronics Forum | Wed May 12 10:15:29 EDT 2004 | gabriele

Hi Dave, I've got it, many thanks. Snow ? My village is located latitude GMT + 1 hour,and about 45� north longitude. 30 Km north the mountains are still fully covered by snow. Sea is about 3 hrs driving down. My Job?, EMS'engineer (ex)

Is there a cross section standard test method...

Electronics Forum | Tue Mar 25 07:33:46 EDT 2008 | davef

References [Analog Devices] 1) "Surface Preparation and Microscopy of Materials" B Bousfield, John Wiley & Sons, LTD., West Susse_, England, 1992 2) "Metallography Principles and Procedures" Leco, Corp. 1992 3) "Buehler Dialog, Microstructural Analys

Low cost automatic pick and place

Electronics Forum | Fri Feb 26 08:30:10 EST 2010 | davef

Low cost prototyping * TWS Automation Quadra [www.tws-automation.com 39 0585 634758] * Versatronic RV4 [VSMT Solutions Ltd; 6 Dean Way, Aston Clinton, Aylesbury HP22 5GB, Buckinghamshire; 01296 630341 F01296 632144 http://www.vsmt.co.uk; David Clemen

SOT23 jumping off pads when reflowing

Electronics Forum | Thu Sep 18 15:29:59 EDT 2003 | Gabriele

Hi all, by reading along those thread (SOT23) and Tan outgassing I learned plenty of things. My first time approacing this kind of Q$A Forum, very intesting tech communication way. Any way, the path of magnetism effect was chosen when time ago we met

Laser selective solder machine

Electronics Forum | Fri Apr 22 16:57:10 EDT 2005 | davef

Suppliers are: * Contax Ltd Little Park Farm Road Segensworth West Fareham, Hants, PO15 5SJ UK +44 1489 885808 Fax: +44 1489 885553 * Leister Process Technologies Riedstrasse Sarnen LCRN, 6060 Switzerland 011-41-416627467 Fax: 011-41-416627480 * mt


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