Full Site - : 2002.12 (Page 9 of 35)

SMT Machine

Electronics Forum | Wed Dec 04 20:24:49 EST 2002 | pychan

I would like to know : 1. Is the Assembleon GEM Topaz X-II SF is same as Yamaha YV100 II or YV 100 x Thanks fo your information

SMT Machine

Electronics Forum | Wed Dec 04 20:40:05 EST 2002 | jonfox

To the best of my knowledge from some fellow field guys who used to work for Phillips, yes. Yamaha still makes the machines for Assembleon's GEM line.

SMT Machine

Electronics Forum | Thu Dec 05 08:49:43 EST 2002 | pjc

Yamaha YV100Xg is the Topaz XII YV100X is Topaz X YV100II is Topaz YV88Xg is Emerald XII YV88X is Emerald X YVL88II is Emerald YV180Xg is Sapphire XII

IONIC CLEANLINESS SPEC FOR BARE PWBs

Electronics Forum | Mon Dec 09 11:34:55 EST 2002 | EW

I have seen the 6.5 ug/sqin and we have a fab house using 6.4, but I have no definitive answer for today. I see some interesting discussion here which I can also follow up on.

IONIC CLEANLINESS SPEC FOR BARE PWBs

Electronics Forum | Mon Dec 09 11:36:23 EST 2002 | gswable

Mike wrote : "Personally, I would not accept an incoming board that measures more than 0.5 �g/in of NaCl." Would your recommendation be valid for an IONOGRAPH tester ? Did you perform any reliability study that you can share that drove you your conc

IONIC CLEANLINESS SPEC FOR BARE PWBs

Electronics Forum | Tue Dec 10 13:36:49 EST 2002 | caldon

The EMPF has published a paper/ study on this topic, one of there better pieces of work. http://www.empf.org/html/empfset.htm www.empf.org Doccument number rroo13 Best regards, Cal

IONIC CLEANLINESS SPEC FOR BARE PWBs

Electronics Forum | Thu Dec 12 14:21:35 EST 2002 | gswable

Hi Mike Why is there a difference in readings on the Omega meter and the Ionograph ? Is it because that the IONOGRAPH is a closed loop extraction mechanism while the Omegameter is not ? Can you explain T

IONIC CLEANLINESS SPEC FOR BARE PWBs

Electronics Forum | Thu Dec 12 16:12:28 EST 2002 | MA/NY DDave

Hi I am wondering about your reply, Please continue. YiE, MA/NY DDave

Uneven thermal load in PCB design.

Electronics Forum | Mon Dec 16 10:31:21 EST 2002 | davef

Grant, On those 'dry pads', where does the solder paste end-up after soldering? On: * Pads * Component leads * Someplace else [Where?]

Uneven thermal load in PCB design.

Electronics Forum | Mon Dec 16 21:51:28 EST 2002 | grantp

Hi, It's on the pads. They look ok, but when you check the lead comes away from the solder. Regards, Grant Blackmagic Design


2002.12 searches for Companies, Equipment, Machines, Suppliers & Information

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Reflow Soldering 101 Training Course
High Throughput Reflow Oven

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Software programs for SMT placement and AOI Inspection machines from CAD or Gerber.
PCB Handling Machine with CE

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