Electronics Forum: cem (Page 4 of 17)

Re: Printed Circuit Board Material

Electronics Forum | Mon Oct 16 20:45:45 EDT 2000 | Dave F

Thanks Nance. So, your production process is: * Screen / dispense glue on secondary side * Place secondary side SMT components * Cure glue * Insert primary side PTH components * Wave secondary side Please tell us about: * Flux type and wave s

PCB Material

Electronics Forum | Wed Sep 13 17:51:01 EDT 2000 | Francois Racine

My question is concerning a cheap PCB material. I have a sample with me and I have to quote on this product with the same PCB material. This material is not FR4 and the color is beige. I think CEM-1 material is beige too but I`m not sure. I`ve hea

Re: Silver Epoxy and CEM3

Electronics Forum | Fri Aug 28 23:32:39 EDT 1998 | Pete Sorenson

| Does anyone have any experience they are willing to share on Ag epoxy used as a copper through hole plating replacement? Was CEM3 used? | What are the limitations? | Thanks, | Steve I have used silver epoxy extensively for conductive bonding applic

Re: Silver Epoxy and CEM3

Electronics Forum | Thu Aug 27 17:40:11 EDT 1998 | Earl Moon

| Does anyone have any experience they are willing to share on Ag epoxy used as a copper through hole plating replacement? Was CEM3 used? | What are the limitations? | Thanks, | Steve Steve, Hello again. Hope you guys (Intel) aren't going to do that

FR4 or CEM3

Electronics Forum | Tue Jun 22 00:09:14 EDT 2010 | leadthree

You should do some testing what temp you really get. Solder will melt 260~300ºC. Back to the initial question, CEM-3 is a bit harder to buy and has not many varieties. Go for FR4, you can go for a higher Tg then the common 130ºC. There is also 140,

Non-halogenated PCB

Electronics Forum | Wed Jul 19 11:06:42 EDT 2000 | polymer

Where can I find laminates containing non-halogenated PCB? I'm especially interested in FR-4 and CEM-3, 1.6 mm 25um. Thanks in advance! Dr. Lennart Johansson Polymer Support

PCBA - Deionized water rinsing

Electronics Forum | Mon Dec 06 10:53:42 EST 1999 | Ron Lahat

Our CEM running No clean process on our PCBAs Should we verify that he is using the Deionized water rinsing or is it a default in the process ?

Successful Transfers to Contract Manufacturers

Electronics Forum | Tue Apr 27 13:40:55 EDT 1999 | Corey Peterson

As I transfer prototypes/pilots out of my shop (because the designs are mature or Engineering confidence is high). How do I minimize my risk and ensure success for both the CEM and my group. This would include low tech as well as higher tech boards

Universal VCD Tooling

Electronics Forum | Thu Nov 01 03:22:32 EST 2001 | genglish

Hi, I work for a UK based CEM, I am looking to source some blank Universal VCD toolplates, for a dual head machine. The company we used to purchase the plates from has folded (EES and Amps) and we are looking for a new supplier, any ideas. G

Standard kit in LVHM environment

Electronics Forum | Tue May 06 10:37:08 EDT 2003 | gregp

You misunderstand...I am not a CEM rather I am representing a placement machine manufacturer. My question is to you as to your requirements for your application.


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