Electronics Forum | Fri Jul 24 13:45:12 EDT 1998 | Bob Willis
Yes you need solder paste for BGA. Have a look at the Free BGA documents on my home page which you can download. They cover design, rework, and general assembly www.bobwillis.co.uk | My firm has just begun it's first PCB that will use BGA packaging.
Electronics Forum | Fri Sep 05 06:17:36 EDT 2014 | edriansyah
Hi, We have a problem with our BGA Pad. Our PWB manufacturer make the BGA Pad in irregular form. some big, some small. Please see the picture on attachment. BGA Detail BGA Pitch 0.5 mm BGA Ball 0.3 mm BGA Pad (big) 0.2 mm (as per gerber) BGA
Electronics Forum | Thu Aug 26 14:45:09 EDT 1999 | Earl Moon
| What are the key steps to achieving high yield with CSP ??? | | (We are trying qualify vendors for volume fab/assembly of some | products which use several CSP devices on each side of the | board. (Some with 0.5mm ball pitch)) | | Looking throu
Electronics Forum | Thu Dec 21 13:33:46 EST 2006 | ppcbs
The problem with super glue is that is has a cyanide base that turns into a toxic gas and evaporates when heated. See IPC-7095. Via's should be fully plugged with solder mask at the fab house. If your PCB designers are not up to speed on IPC requi
Electronics Forum | Fri Sep 05 09:15:36 EDT 2014 | rgduval
Hi, Edri, It's not uncommon for PCB fab houses to change pad sizes like that, due to design constraints....however, it always aggravates me when they do it without checking with me first. In my mind, that's the first sign of potential bad issues wi
Electronics Forum | Tue Apr 26 16:00:08 EDT 2005 | jdumont
Good day all, we are having problems with some new BGAs that are slowly filtering their way into our designs. Engineering really wants to use them and I am pressured to make them work. They are 54 ball BGAs. The pitch is .8 mils and the ball diameter
Electronics Forum | Fri Aug 07 07:52:15 EDT 1998 | Earl Moon
| | Is there any problem using SMT on gold boards? 15 years ago we were told not to use gold boards, but I can't remember why. Judging by the other postings it now appears to be common. Only problem I see is that the nickel should be plated, not e
Electronics Forum | Mon Aug 10 21:52:34 EDT 1998 | Dave F
| | | Is there any problem using SMT on gold boards? 15 years ago we were told not to use gold boards, but I can't remember why. Judging by the other postings it now appears to be common. Only problem I see is that the nickel should be plated, not
Electronics Forum | Tue Aug 11 07:51:57 EDT 1998 | Earl Moon
| | | | Is there any problem using SMT on gold boards? 15 years ago we were told not to use gold boards, but I can't remember why. Judging by the other postings it now appears to be common. Only problem I see is that the nickel should be plated, n
Electronics Forum | Wed Aug 12 07:22:52 EDT 1998 | Earl Moon
| | | | | Is there any problem using SMT on gold boards? 15 years ago we were told not to use gold boards, but I can't remember why. Judging by the other postings it now appears to be common. Only problem I see is that the nickel should be plated,
Products, services, training & consulting for the assembly, rework & repair of electronic assemblies. BGA process experts. Manufacturers Rep, Distributor & Service Provider for Seamark/Zhuomao and Shuttle Star BGA Rework Stations.
Training Provider / Manufacturer's Representative / Equipment Dealer / Broker / Auctions / Consultant / Service Provider
1750 Mitchell Ave.
Oroville, CA USA
Phone: (888) 406-2830
winsouce.jpg)