Electronics Forum: cfm (Page 2251 of 7890)

CP5 users...

Electronics Forum | Fri Mar 31 21:28:24 EST 2006 | fastek

Alex- You deserve an award for being the only user in the world still utilizing one of the all-time Edsels of pick and place machines.

CP5 users...

Electronics Forum | Sun Apr 02 22:39:42 EDT 2006 | marcelll

I worked several years with CP5. This is the worst product ever built by Fuji ( with NP ). Stay away from it !!!!!!!

Stencil design question.(BGA Apertures)

Electronics Forum | Mon Apr 03 07:46:21 EDT 2006 | cyber_wolf

I have a pad layout that has .010" dia. with .010" spacing. Going to use a .004" foil. I know I need to over print them, but how much without causing bridging issues ? Thanks, Sr.

Stencil design question.(BGA Apertures)

Electronics Forum | Tue Apr 04 14:00:48 EDT 2006 | russ

I have used a .013" square under these conditions. Limited run but all were good. 72 qty in 1 batch run

Stencil design question.(BGA Apertures)

Electronics Forum | Tue Apr 04 14:12:54 EDT 2006 | cyber_wolf

I did the apertures 1:1 using an Invar foil material. I will post and let you know how it works out. Thanks

Stencil Cleaners

Electronics Forum | Mon Apr 03 13:44:46 EDT 2006 | reg

I am looking for recommendations about stencil cleaners and board washers. We currently use WS, No clean and Lead Free paste.

Stencil Cleaners

Electronics Forum | Mon Apr 03 17:46:26 EDT 2006 | slthomas

It's probably too late now, but try searching the fine SMTnet archives. Trust me, there have been LOTS of discussions about stencil washers here.

mathematical computation of transformer inductance with gap core

Electronics Forum | Tue Apr 04 02:51:41 EDT 2006 | arnold

Hi everyone, can you tel me on how to compute (mathematically)the inductance of transformer having having gap core. what i know is inductance for ungapped core L = Al value of core x square the no. of turns how about for gapped core

mathematical computation of transformer inductance with gap core

Electronics Forum | Tue Apr 04 20:48:37 EDT 2006 | davef

Look here: http://focus.ti.com/lit/ml/slup127/slup127.pdf

Silver finish components soldered on Ni-Au finish pads

Electronics Forum | Tue Apr 04 12:44:08 EDT 2006 | Andrew

Anyone knows if there are some issues when you solder Silver finish components on Ni-Au finish pads with Sn/Pb/Ag solder paste (Indium)? (I must use components with silver finish) Thanks


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