Electronics Forum | Tue Sep 24 12:58:27 EDT 2002 | dragonslayr
Although focusing on solderability may be the right answer, I wonder if you are satisfied that co-planarity is not the root cause. With random events of contact opens, this may be the case. Cleanliness of the stencil can also be a source of your pr
Electronics Forum | Tue Nov 05 06:51:59 EST 2002 | V.RAMANAND KINI
Hi, This is a widely discussed subject and since you have asked a brief explanation, I assume, you are a business man or a top executive in the company venturing in to COB. I waited to see if someone replies to you. May be it is a very old subject
Electronics Forum | Wed Nov 06 10:17:45 EST 2002 | davef
In order from best, better, good * Lowest purchase price: cartridge, jar, syringe * Ease of inventory control: cartridge, jar, syringe * Flexibility of use: jar, syringe, cartridge * Ability to dispense by hand or machine: syringe * Cost to get paste
Electronics Forum | Fri Nov 08 09:24:16 EST 2002 | rspoerri
Hi, I'm setting up an new production line for cell phone manufacturing and am looking for a second printer for the back half of the line. I am looking at both new and used though used is looking pretty attractive due to the glut of equipment curren
Electronics Forum | Wed Nov 20 16:27:15 EST 2002 | pjc
FYI: MPM does in fact offer alternate board support tooling than the vacuum box system. They have the X and Y snugger tooling, which clamps the board and uses magnetic support pins. If you are looking at a used UP2000, check to see what tooling it ha
Electronics Forum | Tue Nov 26 09:19:29 EST 2002 | pjc
MPM UltraPrint 2000 2D Inspection Times: QFP 256 pin 16Mil pitch is 7.5 seconds BGA 225 ball 20Mil pitch is 1.8 seconds Find out the DEK times for these devices. Any UP2000 of 1995 mfg. date oand on can be upgraded to the latest software. Concer
Electronics Forum | Mon Nov 11 13:46:43 EST 2002 | ksfacinelli
I have a interesting problem. I have a client that would like us to build 15-20 prototypes of a fairly complex design that contains a Enplas OTB-289-0.8 BGA socket. The problem I have is the customer does not have enough sockets and is asking if we
Electronics Forum | Thu Nov 14 08:53:44 EST 2002 | MA/NY DDave
Hi As DaveF suggested I would contact a shop that has done repair. You should have the PCB/PWB Print and laminate information with you when you make the call. Ask the repair shops if they have continual experience with the Rogers Material you are us
Electronics Forum | Thu Nov 14 12:11:00 EST 2002 | V.RAMANAND KINI
I am looking for a reflective coating on PCB. I have designed a PCB with SMT type side LEDs and Top LEDs. The light from these LEDs fall on to a lens profile on top of these and get mangnified and reaches the dashboard instrument's pointers. I tried
Electronics Forum | Tue Nov 19 10:25:45 EST 2002 | mcmilse
I have a question abut flux and solder preforms. We build some assemblies that have deep pockets in which we use solder preforms and add flux before placing parts and then onto reflow. I was wondering if anyone knows anything about how much flux sh
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