Electronics Forum: smema and step (Page 9 of 12)

Re: Epoxy printing and wave soldering on 0603 and 0402 components

Electronics Forum | Tue Jul 13 10:26:38 EDT 1999 | HST-SE

| | Hi, | | | | I need some urgent informations on stencil design guidelines on how to perform epoxy printing on 0603 and 0402 components. Could anyone help? ( Reflow process is not possible because of some other constriants) | | | | Secondly, I n

Re: Epoxy printing and wave soldering on 0603 and 0402 components

Electronics Forum | Tue Jul 13 14:19:00 EDT 1999 | JohnW

| | | Hi, | | | | | | I need some urgent informations on stencil design guidelines on how to perform epoxy printing on 0603 and 0402 components. Could anyone help? ( Reflow process is not possible because of some other constriants) | | | | | | Sec

Re: Epoxy printing and wave soldering on 0603 and 0402 components

Electronics Forum | Tue Jul 13 14:25:57 EDT 1999 | Earl Moon

| | | | Hi, | | | | | | | | I need some urgent informations on stencil design guidelines on how to perform epoxy printing on 0603 and 0402 components. Could anyone help? ( Reflow process is not possible because of some other constriants) | | | | |

Re: Epoxy printing and wave soldering on 0603 and 0402 components

Electronics Forum | Wed Jul 14 21:34:16 EDT 1999 | karlin

| | | | | Hi, | | | | | | | | | | I need some urgent informations on stencil design guidelines on how to perform epoxy printing on 0603 and 0402 components. Could anyone help? ( Reflow process is not possible because of some other constriants) | |

Re: Step down stencils using CBGA and 20 mil QFP's

Electronics Forum | Mon Oct 25 15:23:26 EDT 1999 | Dave F

Ron: You're really talking about a step-up stencil in the area of the BGA. I don't think your problem is a lack of solder, but who know? I think you should do some sections on returned boards from your customer to help determine the source of the

SMT line expansion - new oven and selective solder

Electronics Forum | Mon Feb 24 16:30:07 EST 2020 | stephendo

You might be able to get a step up transformer although I would not recommend that unless it is a good solution for you. What is the input voltage to your facility? It is probably 600V (or something close). If so then you could get a step down transf

Re: Epoxy printing and wave soldering on 0603 and 0402 components

Electronics Forum | Thu Jul 15 14:38:38 EDT 1999 | JohnW

| | | | | | Hi, | | | | | | | | | | | | I need some urgent informations on stencil design guidelines on how to perform epoxy printing on 0603 and 0402 components. Could anyone help? ( Reflow process is not possible because of some other constriants)

Step down stencils using CBGA and 20 mil QFP's

Electronics Forum | Thu Oct 21 14:02:32 EDT 1999 | Ron Costa

We are a contract manufacturer currently building a job with IBM CBGA-255 devices and 20mil QFP's that are close to each other. We use a 6 mil laser cut and electro polished stencil with one to one apertures on the BGA's. The customer is experiencing

Re: Looking for URL that explain about SMT and COB

Electronics Forum | Thu Dec 14 19:54:23 EST 2000 | Dave F

SMT Magazine has "SMT In 10 Easy Steps or "Back To Basics" or something like that on their site that is a good starting point. If you want the one line definitions SMTnet has a "Terms & Definitions" in the "Library" You could ask us.

No clean and 100 Mbps Fast Ethernet Transceiver

Electronics Forum | Tue Sep 30 14:24:37 EDT 2008 | eedlund

A water soluble solder paste (AIM WS483), reflow and wash. We are considering using AIM NC254 No-clean solder paste to eliminate the wash step.


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