Electronics Forum | Mon Jul 18 01:47:29 EDT 2005 | Cal
I would suggest 1) Use the profile that is suggested with the BGA types you are using or 2) Have you solder paste rep visit for a half day and help profile your machine. Remember if they want to keep you as a paste customer they will help. Enjoy,
Electronics Forum | Wed Jul 13 14:50:29 EDT 2005 | rameshn
Dear Sir, We are manufacturing Computer Motherboards & Networking products (which are having 2 to 3 BGA Chips onboard) in our plant. we are having 2 nos of HELLER 1800W model Reflow Ovens. this model reflow oven is having 9 heating zones at both top
Electronics Forum | Mon Jul 18 02:47:27 EDT 2005 | grantp
Hi, It sounds like your a little new at profiling, and can be difficult to do well. We purchased a KIC profiler that has software that will take your profile data and tell you the best oven temperature settings and conveyer speed to use. You need
Electronics Forum | Tue Mar 01 08:21:37 EST 2005 | David Bratcher
What thickness is required to process a double sided board with white tin? Is there an IPC standard? If rework is necessary, what is required?
Electronics Forum | Tue Mar 01 10:21:55 EST 2005 | davef
IPC Plating Committee is presently working on a specification for immersion tin [IPC-4554 Specification for Immersion Tin Plating for Printed Circuit Boards] as a solderable surface finish. Immersion tin is normally deposited at 30 to 60 microinches.
Electronics Forum | Sat Mar 05 22:44:44 EST 2005 | gpaelmo
You can also try the Florida Circtech website or call them direct. There is a min. thickness requirement and if the board house does not follow it you will end up with scrap boards after the second pass (from experience). I even sent blank boards to
Electronics Forum | Wed Aug 10 04:33:35 EDT 2005 | saiwong
First, butget. Second, flexibilities. If you have tight butget, you better choose used SMT equipment instead of the new one. It will save you hundreds of thousand dollar. Second, if you change model more frequently, you do not have many to choose. Fu
Electronics Forum | Tue Aug 09 20:28:29 EDT 2005 | Ari
Dear All, I'm looking for the complete SMT equiment line uses for the large scale production line(industry level. Could someone please recomend me which equipment and manufacturer? Your inputs are very helpful to me and I'm appreciate that. Thanks
Electronics Forum | Wed Apr 25 16:08:24 EDT 2001 | jmills
We build a product that requires a lithium battery. There is a Smt Battery clip soldered onto two gold pads on a FR4 PCB. The battery is forced by two little clips punched out to provided downward pressure in the battery holder, enabling the lithium
Electronics Forum | Wed Apr 25 16:09:45 EDT 2001 | jmills
We build a product that requires a lithium battery. There is a Smt Battery clip soldered onto two gold pads on a FR4 PCB. The battery is forced by two little clips punched out to provided downward pressure in the battery holder, enabling the lithium
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