Electronics Forum: solder (Page 757 of 2099)

Voiding in uBGA's w/blind uvia's in pads

Electronics Forum | Fri May 02 09:37:23 EDT 2003 | Jerry Magera

Via in pad is the most efficient use of space. Blind via seems to be blamed for this. Cross-sections (send me some) will probably show a void still existing in the via or spherical voids aligned near the component pad side. One can estimate the vo

Solder Paste Printed Volume

Electronics Forum | Mon Nov 26 23:05:05 EST 2001 | ianchan

M.Parker, thanks a million!

PWB Pad Finish & dewetting

Electronics Forum | Thu Dec 06 19:46:08 EST 2001 | davef

First, we�re assuming that we�re talking hot air solder leveled [HASL] bare boards, eh? Consider using A-600 - Acceptability of Printed Boards as the basis for discussing the bare board problems. It is the bare board analog of A-610 - Acceptability

soldering and bonding on gold PCB's

Electronics Forum | Mon Jan 07 13:18:28 EST 2002 | mregalia

I work for a microwave company. On our lower frequency boards (

soldering and bonding on gold PCB's

Electronics Forum | Mon Jan 07 20:37:15 EST 2002 | davef

For soldered areas, we like to keep gold thickness substantially below the maximum you propose. Search the fine SMTnet Archives for our discussions on the topic of acceptable levels of gold with solder connections. Let�s fix this �no one seems be s

Soldering stats

Electronics Forum | Wed Jan 16 20:05:04 EST 2002 | davef

Look here http://www.infoxpress.com/reviewtracker/reprints.asp?page_id=916

Wave Soldering and Through Hole Forums

Electronics Forum | Thu Jan 24 09:53:56 EST 2002 | davef

You didn�t tell us about your solder, wave temperature profile, or the distribution of the problem. So, let�s assume the solder is near eutectic and the problem is wide spread. Wolfgang makes good points. So, let's talk a different tact. When we

Wave Solder Troubleshooting chart

Electronics Forum | Tue Feb 05 19:41:01 EST 2002 | PeteC

I sent you an e-mail with an attachment of a troubleshooting chart for wave and reflow.

Wave Solder Troubleshooting chart

Electronics Forum | Wed Feb 06 12:17:12 EST 2002 | cfraser

Could some one please send me a copy of the charts? It would be greatly appreciated.

Wave Solder Troubleshooting chart

Electronics Forum | Mon Feb 11 11:16:14 EST 2002 | cbarnett

I would also like to receive a copy of the chart. Thanks


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

Best SMT Reflow Oven

World's Best Reflow Oven Customizable for Unique Applications
ISVI High Resolution Fast Speed Industrial Cameras

Nozzles, Feeders, Spare Parts - Siemens, Fuji, Juki, Yamaha, etc...
Pillarhouse USA for Selective Soldering Needs

High Throughput Reflow Oven
Software for SMT

High Resolution Fast Speed Industrial Cameras.


"回流焊炉"