Electronics Forum | Fri Jul 07 16:04:42 EDT 2000 | DONALD
We have an Ersa selective soldering machine here. We use the wire solder with the automatic feed. We dross and clean the pot roughly once a week. You can tell when it needs it by looking at the solder fountain. We do the nozzle at the same time. We c
Electronics Forum | Tue Jun 20 08:04:42 EDT 2000 | NIck
Hermie, The Camera is made by Sony and unfortunatly you can't just get the Box by it self they come as a matched set from the manafacter. If you could find a box by it self (second hand)its a hit or miss deal. Now the real bad news Sony is stopping
Electronics Forum | Tue Jun 20 20:22:15 EDT 2000 | Dave F
Hi Jack: Welcome!!!! Yours sounds like an interesting project. In response to your questions: A1. Each traditional L8 run requires 8 runs. So, how did you select a L8? A2. In addition solder height and volume as characteristics, consider deposit
Electronics Forum | Mon Jun 19 14:53:28 EDT 2000 | Mike Demos
I'm looking for some design paramters for perforated tabs. These are the tabs that connect the circuit board to the break-away pannel material. I've never used these before, but I've seen some that have reportedly worked well. These tabs are ident
Electronics Forum | Mon Jun 19 21:37:14 EDT 2000 | Dave F
Mike: Look a the Hadco DFM manual ( http://www.hadco.com/ ) Yano if you�re lookin� for uniformly smooth (not silky smooth) board edges, have you considered scoring to separate your boards? Scoring has: * Minuses (straight lines only, stress on so
Electronics Forum | Tue Jun 20 20:31:12 EDT 2000 | Dave F
Chrys you're fine. On scoring: * Be sure spec material remaining, not what is removed. * Be sure that the v-grooves are perpendicular to each other, not off set. * Typ spec for for .062 thick boards FR-4 0.018-0.024 MC-3 0.030-0.040 * HADCO recomm
Electronics Forum | Mon Jun 19 02:46:34 EDT 2000 | Manohar Singh
We have Fuji IP3 Machine with SMD3 Vision system. We are in an attempt to place BGA on the PCB with IP-III. The BGA is a 256 Pin, the ball size on device is minimum-25 mils, maximum-35 mils, PCB pad size is 32 mils. We don't have any specific inspect
Electronics Forum | Mon Jun 19 21:38:58 EDT 2000 | Dave F
Mohammed: Huuumm, identifying components, sounds like a dangerous thing to do, if you�re in the assembly business. ;^) Try: � "Component Identification Desk Reference Manual", with an IPC ordering code of DRM-18. This book is not a standard, but
Electronics Forum | Sat Jun 17 08:57:13 EDT 2000 | Ashok Dhawan
Smtnetters One more question on ESD Control program. Does anyone ground there power equipments and how ? e.g., Pneumatic torque tools , electric screwdrivers, hand soldering stations, solder pots etc. I am not sure about pneumatic hand tools , howev
Electronics Forum | Sun Jun 18 13:15:57 EDT 2000 | Kevin Simpson
HI, We have placed with both Fuji Qp's and Universal Gsm's. We are running a small coil now on a Gsm with a sucessful rate.The Qp done well also, but the product is not ran on a Qp line, so no true production rate has been determined.I don't feel
