Electronics Forum: laser and selective and soldering (Page 7 of 13)

Sn99Cu07 and Sn100

Electronics Forum | Tue Oct 18 10:36:46 EDT 2022 | winston_one

Dear proffessionals! Question is about this alloys - Sn99Cu07 and Sn100 (Sn100C,Sn100Ni+ etc.). Is it O'k to mix them? In my case to use Sn99Cu07 as addition to selective soldering machine bath with Sn100C? Main components are the same, but minor add

solderability and hasl thickness

Electronics Forum | Thu Sep 11 16:50:18 EDT 2003 | davef

Sure it's conceivable that thin HASL can cause tombstoning. Harkening back to the ample discussion in the fine SMTnet Archives, tombstoning is caused by an imbalance in solder surface tension between the two pads of SMT component. The source of thi

Circuit cam and mydata

Electronics Forum | Fri Mar 27 12:46:23 EDT 2020 | unisoft

Unisoft has been import gerber only for years to setup assembly, aoi machines, etc. *** Help for Importing GERBER only files for used in programming Assembly, AOI, Test, Selective Soldering machines (X/Y Center, Rot, Part#). Also allows you to cre

assembly serialization and traceability

Electronics Forum | Wed May 22 16:36:13 EDT 2002 | slthomas

What methods do you guys use for maintaining lot and/or board traceability? When I worked in med. products, we used travelers that we recorded everything on, then serialized them at the end of the build. Not as effective as up front serialization,

BGA rework and inspection

Electronics Forum | Thu May 30 10:31:03 EDT 2002 | robbied

Hi Yannick. This is an issue that we are just recently getting into but here is some ifo that I have gathered so far. I have seen/ used 2 different rework machines. The one we have bought is a 'PACE TF2000' which was at the lower cost end of the mar

Soldering robot and solder balls

Electronics Forum | Thu Jul 06 03:43:22 EDT 2017 | jamesbarnhart

Electronic devices required higher speed, I/O capability, and density to meet standard requirements. Automated robotic soldering solutions that meet the demands of applications are too challenging for hand soldering. Manual soldering, even with the m

Wave Cassettes and Heat convection

Electronics Forum | Mon Jan 15 13:12:18 EST 2007 | realchunks

So others can solder the same board and part but you can't. Dipping the legs in flux doesn't help. Then it's either your pre-heat or wave. Measure your pre-heat and compare to others or flux mfger. Do you have chip wave or something like an Omega

Soldering robot and solder balls

Electronics Forum | Tue Jun 20 15:08:30 EDT 2017 | ranap121212

Hello I have the problem with selective soldering on the robot. Thin balls appear on the laminate. The tin sometimes shoots...? and then the balls are a few millimeters from the soldering point. I tried up or down with temperature, but it did not wor

SMT and TH board carrier

Electronics Forum | Fri Aug 27 10:25:52 EDT 1999 | Matthew Park

Is it feasible to have one type of board carriers to take boards thru 1) glue curing process for first side and 2)invert carriers with boards, and 3)reflowing second side, and 4) do manual stuffing of th components and 5) take them thru selective wav

AOI selection,specifically ViTechnology and Mirtec

Electronics Forum | Wed Oct 26 14:20:41 EDT 2005 | TPM

Brian, We have the Mirtec Table Top. It is very good at detecting the component and orientation. It is however only as good as we program it to be. We have seen some limitations in respect to solder connections. I have not found it to be 100% re


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