Electronics Forum | Sat Jul 31 13:27:42 EDT 1999 | Miguel Mariscal
| Has anyone done the research on BGA pad size? suppose I have a 0.030" diameter pad as recommended pad size from the spec, what will the minimum pad size allowed? We are laying out a high density board. |
Electronics Forum | Thu Oct 07 14:40:31 EDT 1999 | Carol Zhang
I have a board, 4 spacers needed to be soldered on the board first with the normal 62Sn37Pb alloy. Then, capacitors are manually soldered on the boards. The density of the board is quite high. If we wave soldered capacitors first, there will be no p
Electronics Forum | Thu Oct 07 15:39:59 EDT 1999 | Carol Zhang
| I have a board, 4 spacers needed to be soldered on the board | first with the normal 62Sn37Pb alloy. Then, capacitors are manually soldered on the boards. The density of the board is quite high. If we wave soldered capacitors first, there will b
Electronics Forum | Thu Aug 28 09:30:20 EDT 2008 | patrickbruneel
Omid, No-clean fluxes need to be used right out of the can without thinning. In the past with RA and RMA fluxes you could adjust or thin them to your desired density because they had plenty of solids up to 30%. No-Clean fluxes have a lot lower solid
Electronics Forum | Wed Aug 02 15:22:10 EDT 2006 | solderiron
Good luck finding used. Ersa is top quality but you pay for it. The IR from Ersa is a medium wavelength thus heating is consistent across the board despite different component densities and colors. PDR does not heat the same and thus you have to be m
Electronics Forum | Wed Jun 08 10:32:27 EDT 2005 | rlackey
We ran an MVT 1820 Supra against a VT-Win-II for around 40K high density boards. One machine was 1/3 of the price of the other, more accurate in production, faster, and could handle larger boards. Guess which won? Fortunately we were able to loo
Electronics Forum | Mon Jul 23 09:02:58 EDT 2001 | nwyatt
Depends on the size, complexity, quantity, and density of the board. Also depends on the CM and lead time required... Choose 2 or 3 good CMs and send them a pcb for analysis and quote...
Electronics Forum | Sat Jul 31 13:35:14 EDT 1999 | Miguel Mariscal
| Has anyone done the research on BGA pad size? suppose I have a 0.030" diameter pad as recommended pad size from the spec, what will the minimum pad size allowed? We are laying out a high density board. | If you know what component your'e going to u
Electronics Forum | Thu Jun 09 10:08:59 EDT 2005 | Herman
Hello, We had serval times problems with wavesoldering medium and low density boards. After analysis one time the problems where in the carrier an other time the flux was Not visible contaminated, ...etc. I wonder, does any one know a complete wav
Electronics Forum | Mon Nov 02 07:56:23 EST 2015 | emeto
this is very touchy.There are many CPMs out there. Which one is the best for you though is what you should figure out. I think your boards density, quantities and variety assemblies will define that. One of our customers has around 1000 different ass
