Electronics Forum | Fri Mar 03 14:08:55 EST 2000 | Michael Parker
Your best answer for determining cleaning method is to contact your stencil supplier and follow their recommendation. Periodic inspection of your apertures (using microscope, or minimum 10x magnification) would also be a good idea to make sure that g
Electronics Forum | Wed Mar 08 09:32:57 EST 2000 | Dane Stokes
We use loctite to print with before begining testing on printing we asked loctite for the best cleaning solvent for there product. loctite had there own solvent that was designed to break down the propertys of their glue mix. Contact glue supplier an
Electronics Forum | Thu Mar 02 21:51:46 EST 2000 | Dave F
Robert: Consider requesting samples of different sized solder balls from a variety of suppliers, solder them to dummy boards, and compare the size of reflowed balls to your spec. Then you could buy based on results. My2� Dave F
Electronics Forum | Thu Mar 02 09:45:24 EST 2000 | Jacqueline Coia
Could this QFP be easily wave soldered if placed on solder side of PCB, if so are there two different footprint formulas that take both wavesoldering and reflow into consideration. Thanks again. Jack
Electronics Forum | Wed Mar 08 21:16:38 EST 2000 | Dave F
Wolfgang: I agree that the IPC pads are reflow / top side wave solder. We run bottom-side PCLL at 45� to the wave with fairly involved solder thieves. Ta. Dave F
Electronics Forum | Thu Mar 02 04:36:43 EST 2000 | ken fong
Could anyone advise the top three soldering materials providers (providing solder bars, solder paste, solder wire and flux) in each of the following regions : USA, Europe, and Japan? Thanks in advance. Regards, KenF
Electronics Forum | Tue Mar 07 22:53:59 EST 2000 | Greenman
Ken: Placings are in terms of volume or quality??...and which item? You're asking for pretty sensitive information, here!
Electronics Forum | Thu Mar 02 00:40:20 EST 2000 | Low
hi, wonder anyone has done the electrical analysis of Alloy 42 as used in TSOP? I am interested in obtaining the rel. permeability of the ferromagnetic material... where can I find more info? thanks and regards, hong guan low
Electronics Forum | Thu Mar 02 16:45:17 EST 2000 | Carol Zhang
Low, You can go to www.matweb.com and check the information by just type alloy 42 to search. Hope you can find some helpful information. Carol
Electronics Forum | Tue Feb 29 23:24:59 EST 2000 | Doug Clement
We are currently using a Maestro depanelizer for seperating our boards. We do have component failures due to this process. Has anyone ever used a water-cutting machine. If so, what results can you share with me? Thanks, Doug
