Electronics Forum | Tue Mar 01 11:11:50 EST 2005 | spot
We use SRT. We still have machines that are over 5 years old and are functioning very well in the BGA, QFP and yes CSP area. The critical part is getting the right Air nozzle for the part size. Also the software has a auto-profile feature that wor
Electronics Forum | Tue Feb 22 17:45:45 EST 2005 | Austinj
Heller 1500 Convection Reflow Ovens are a five zone upper/lower reflow oven. Petlock currently has two listed with specs and pictures. Here's a link for more info. NOTE: I do not work or have any affiliation with PETLOCK http://www.petlock.com/used
Electronics Forum | Mon Feb 28 08:06:49 EST 2005 | davef
You'll be able to tell pretty soon if this will work. * Our bet is the epoxy will corrode the silver. * Another concern is that you're not fusing the silver to the copper. Why not ask the imm silver suppliers: * Alpha Level Silver [ http://www.al
Electronics Forum | Thu Feb 24 11:07:04 EST 2005 | cisridn
I need information on where I can purchase Lead free solder paste and solder wire samples. I currently use SN63/PB37 no clean solder paste in a 35G tube and SN63/PB37 no clean solder wire for rework. I would like to try out some samples of Lead fr
Electronics Forum | Thu Mar 03 11:40:20 EST 2005 | sasha
Hi Vinit, Thank you for your reply. The machine has three standard heads. The machine has no cameras. The mistake appeared after pressing key RUN (for different programs). We had reset machines. We have entered old values repeatedly. The mistake do
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 22:57:32 EST 2005 | gpaelmo
This has been our practice and its worked well: SMT process-QC/Touch-Up-Assembly. We have dedicated QC/T-Up after reflow trained under IPC requirements. They do the SMT inspection and ONLY touch-up if necessary. This way we never have to inspect SMT
Electronics Forum | Fri Mar 04 10:04:14 EST 2005 | jbrower
We use Alpha UP-78 (Older paste formula) and it works well for what we do. We standardized our stencils at 5mil with a 10% reduction on IC apetures and a home plate design on passive components. Additionally we use laser cut electro-polished stenci
Electronics Forum | Fri Mar 04 11:30:46 EST 2005 | Steve
Is anybody using via-in-pad under a BGA successfully? Is this a specialized capability, or do most board houses have the capability to do micro-via's? How small does the via need to be in order to avoid solder wicking? I understand that in order for
Electronics Forum | Sun Mar 06 11:04:19 EST 2005 | jsk
Slot three will not recognize magazine. LED's are lit (green)when inserted into slot three. Magazine works in all other slots. Tried multiple magazines. All gave the same error. Error code = E-MIPR-1 unknown magazine type slot 3 No visible damage t