Electronics Forum | Tue Nov 27 19:42:58 EST 2001 | mparker
Dave - will placing MELF's in SMT eliminate the original problem? Is the flux aggressive enough to clean mold release agents from the component manufacturer? Good point about LT reliability, just wondering what would happen if glue was eliminated fr
Electronics Forum | Fri Sep 07 09:19:44 EDT 2001 | Hussman
Jean, A lot depends on your process. can you add a dot of adhesive after screen printing and before placement? This works well for larger heavier parts. A second suggeestion is to reprofile your board. Try keeping the bottom side cooler. I do t
Electronics Forum | Sat Sep 22 14:33:50 EDT 2001 | Tony
I like to secure the thermalcouples with a small dot of chip-bonder(surface mount adhesive). The chip-bonder will cure durring the first pass through the oven. After I have developed my profile I remove thermalcouples and the chip-bonder with a solde
Electronics Forum | Tue Oct 23 20:12:48 EDT 2001 | dougk
Has anyone has experience using DEK's PumpPrint plastic stencils? We're starting to think about adhesive printing on THT populated boards. These stencils are thick and have undersides routed-out for clinched leads. But, they're plastic, and I'm worri
Electronics Forum | Tue Oct 30 08:55:54 EST 2001 | Stefan Witte
Chris, I should have read your request more carefully. .010" glue dot diameter would require at least .005" needle diameter. No way you can do it with the above mentioned machines. You are already stretching the capability of glue machines for 0402 c
Electronics Forum | Fri Nov 02 20:23:58 EST 2001 | caldon
You may want to also try MRSI. They have awsome machines for bridging the gap between Semiconductor and SMT. They have an excellent research group and can answer a mojority of your questions. http://www.mrsigroup.com they are located in Mass, USA. Da
Electronics Forum | Fri Nov 16 03:03:44 EST 2001 | madreindeer
John, I have seen process mixed technology in customer site.Now they dont use wave but they print paste through hole components.It is good and fast but it did take a time when they found a right paste to do that.Stencil is plastic and aprox.3mm(3000
Electronics Forum | Fri Dec 14 02:51:44 EST 2001 | genglish
This forum is becoming a salesmans dream! I agree with the first guy, check the archives as there is alot of information about cleaning and media. Our company uses a Kerry SC1000 machine very good process but mechanically we have had problems with t
Electronics Forum | Wed Dec 12 11:22:52 EST 2001 | davef
WOW, a 300ml syringe!!!! Now, that is one BIG-assed syringe. [I assume you mean �30ml�] Thoughts are: * Buy through distribution, for instance http://www.loctite.com/distributor/ * Buy your cases in smaller syringes. 10 & 30ml syringes are standar
Electronics Forum | Thu Dec 20 14:14:16 EST 2001 | Dreamsniper
Hi Dafe F, The edge hold conveyor was installed due to the double sided process on our new products. Remember the Stencil Printing Adhesives versus Dispensing in the forum a year ago? Well that led us to acquiring a Camalot 3800...This time it's the