Electronics Forum | Mon Dec 13 08:33:16 EST 1999 | taff
Hi I'd like to ask how everyone routes their differential pairs. I'm not about to condem anyone's software ( SW Vendors should maybe take a look at the answers ) but I'm interested how PCB Designers route a board with 256 pairs, 150 microns width an
Electronics Forum | Mon Dec 13 05:43:27 EST 1999 | Wolfgang Busko
Hi Steve, 20 mil pitch shouldn�t be that problem nowadays. In your case bridging and poor wetting seem to go hand in hand. For the poor wetting try to eliminate it by using different paste (higher activated) and work on your profile. Coplanarity also
Electronics Forum | Mon Dec 13 09:43:28 EST 1999 | Chris May
As Wolfang says about slightly bent legs, handling is of the essence. Are these devices decanted into another tray for your machine. It may be worthwhile doing a "movement" chart for these components. Do not explain why or when you are doing it beca
Electronics Forum | Fri Nov 12 13:05:36 EST 1999 | Brian W.
As a CM, I have had customers stack components as a temporary measure of incorporating an ECO. Most of the time, it includes using an adhesive to secure the component. Cost of material already in-house is the major factor when this occurs. Even th
Electronics Forum | Sat Aug 21 12:13:17 EDT 1999 | Brian
| I am being asked, by my vendor and Purchasing people about converting from Tin/lead pads on P.C.B's to Electroless Tin Plating. | Can any one tell me what I have to change in my SMT | process (paste, reflow, etc) If any? | I ran one P.C.Boar
Electronics Forum | Mon Apr 12 13:46:32 EDT 1999 | M Cox
| Hey guys, | We are opening our new shop in a hotel and would like to hear your inputs. We will be providing contract manufacturing as well as equipment sales from this location. It will be mostly for the surface mount side of our business
Electronics Forum | Sun Dec 13 11:35:59 EST 1998 | Jim Gustin
I suggest that you display questions and responses in a slightly different order. Within any given string of Q's and A's, the topmost displayed item should be the oldest. The most recent item should be at the bottom. In this way, a viewer can easily
Electronics Forum | Thu Nov 12 13:31:18 EST 1998 | Michael Allen
Cencorp and Ozo are two U.S. companies that make CNC routers for circuit boards. You can find their phone numbers if you search the SMT Forum archives. Products [companies] that support off-line programming include: * CIMBridge [Mitron (Genrad)] *
Electronics Forum | Tue Nov 10 12:06:59 EST 1998 | Steve Herring
Larry, We place QFP240's all the time with our 2 IP-3's. If you provide your e-mail or fax number, I can send you the PD that we use for our QFP's. Steve | Here is a good one for ya. Our IP3's MTU will not pick QFP240's out of cavities, 10, 12,
Electronics Forum | Thu Nov 12 18:08:38 EST 1998 | Steve Abrahamson
Larry, We once had a problem in which the IPIII would pick on one area of the tray and not on another. It turned out to be the vacuum hose. There was a small crack/cut in the hose, and when the robot (and attached hose) was in a particular positio
