Electronics Forum: allowing (Page 18 of 225)

RoHS

Electronics Forum | Wed Feb 09 07:02:04 EST 2005 | ddhanashekar

1. What is the method for declaration RoHS for material like IPA, FLux & Solder paste. 2. What is the allowable limit for RoHS compliance for the above material?

Destruction of Proprietary Information

Electronics Forum | Fri Feb 11 17:07:39 EST 2005 | davef

Your site takes day to download. Please add a button that allows by-passing all the graphics and whatnot.

Destruction of Proprietary Information

Electronics Forum | Fri Feb 11 19:13:09 EST 2005 | primus

Your site takes day to download. Please add a > button that allows by-passing all the graphics > and whatnot. Note on front page: REQUIREMENTS Netscape or IE 4.0 or higher BROADBAND CONNECTION That might help...

Laser selective solder machine

Electronics Forum | Fri Apr 22 14:28:38 EDT 2005 | Gary Goldberg - PROMATION

Low end selective laser soldering systems are limited to what types of soldering can be performed. I have read through the previous comments and find that most have commented on earlier technologies (which do not offer the features today's system do)

Solder Mask

Electronics Forum | Thu Apr 21 18:14:56 EDT 2005 | paulhaines2000

Not sure why - all I know is customer will not allow any foreign material outside of what was intended in design. These are large RF boards and maybe they are afraid this will attract contamination that will affect performance???

Black pad on BGA after removal

Electronics Forum | Thu May 05 12:22:01 EDT 2005 | jimmiem

could there have been a solderablity issue with that pad to begin with, allowing the flux in (from improper cleaning of adjacent work) to expadite an error may have happened later down the road?

Black pad on BGA after removal

Electronics Forum | Thu May 05 15:25:38 EDT 2005 | jimmiem

Would a lesser degree of black pad still allow solderability as i seen in my case?

Very fishy missing solder paste issue

Electronics Forum | Thu Jul 21 11:13:11 EDT 2005 | Scott B

Have you tried running the machine in stepper mode (Ctrl+S). This will allow you to hold and view the machine at each stage of the placement cycle. This may help determine if it is false placement, vacuum or kiss-off. We find this useful when trying

How do you identify Lead Free Boards from Sn/Pb?

Electronics Forum | Fri Oct 07 04:15:09 EDT 2005 | GS

do not forget,ROHS Directive does not allow other chemical substances (ie. PBB, PBDE,....) that could be in PCBs, so the PCB must be ROHS compliant and not only Pb Free. That means be carefully when marking PCB or PBAs. Regards..........GS

Gold Plating

Electronics Forum | Wed Oct 26 12:34:09 EDT 2005 | Adam

Hi Does anyone know where I can find information with regards to what is allowable when it comes to scratches and the depth of scratches on gold plated items Thanks Adam.


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