Electronics Forum | Mon Jan 17 02:02:38 EST 2000 | PC
Can anyone there please tell me what can cause the SMt chip terminal lifted? This happen quite often and I can't find the rootcause for this problem. Does it cause by material/Placement?? Thanks
Electronics Forum | Wed Jan 26 01:25:37 EST 2000 | erico
Hi guys, Thanks for help. It really help.
Electronics Forum | Mon Jan 17 04:25:50 EST 2000 | Wolfgang Busko
PC: I guess you talk about something called tombstoning. About causes and adequate countermeasures you will find enough material when you browse the archive with this search item. Try also "tombstone". Good luck Wolfgang
Electronics Forum | Wed Jan 19 11:52:34 EST 2000 | Dave F
PC and Erico: Are yinns talking: 1 A component that will not lie flat on the board? 2 A component that will lie flat to the board that you can't get to solder to the pad? 3 A pad that is no longer attached to the board? 4 Something else. Whazit?
Electronics Forum | Wed Jan 19 02:00:36 EST 2000 | erico
Hi wolfgang, I think Pc is not talking about the tombstone cause this terminal lifted is different from tombstone. The terminal of chip is still there but can not be solder anymore so we have to replace the chip. I also facing this problem. So can yo
Electronics Forum | Thu Jan 20 11:20:28 EST 2000 | Brian W.
It sounds like what you are seeing is leaching of the end cap. You need to check the manufacturer's spec. Many components have terminal barriers, which get a solder plating. Sometimes this plating process is not done well, and the solder plating le
Electronics Forum | Thu Jan 20 02:36:29 EST 2000 | erico
Hi wolfgang,Dave & PC: What I facing are: 1. The component lie flat on the board but only one side can get solder.The pad is ok, problem is with the chip. 2.I desolder the chip and go to view it under microscope and found that there is a line near t
Electronics Forum | Thu Jan 20 11:16:51 EST 2000 | Wolfgang Busko
Erico:I can�t even imagine what this line looks like and what it has to do with the soldering problems without having a look at it. Also the restriction to touchup only is somewhat irritating to me. The only thing that I can think of is that in your
Electronics Forum | Wed Jan 19 08:40:53 EST 2000 | Wolfgang Busko
Hi Erico, I think it�s just a naming problem. Under the topic of tombstone there are a lot of causes for different appearances of this symptom. Shouldn�t be always the errected position that occurs. In your case it seems that either the components so
Electronics Forum | Thu Oct 02 10:43:37 EDT 2008 | msangabriel
I am looking for companies that fabricates special or custom SMT feeders for an Fuji IP3 machine. It is to feed a SMT terminal. Do you know of any company that you can recommend?
Main Products: 1. Original new and Original Used SMT/AI Spare Parts. 2. SMT Equipments And Related Machine( SMT Calibration, SMT Feeder Carts,Conveyer etc.) 3. Maintenace and Repair Service Pre-Sales Service Provide details ab
Manufacturer's Representative / Manufacturer / Equipment Dealer / Broker / Auctions / Consultant / Service Provider
3 Road Xintang， Fuhai Street，Fuyong
Shenzhen, 30 China
Phone: 13713862102
