Electronics Forum: stencil (Page 311 of 575)

Old Solder Paste reclamation service????

Electronics Forum | Thu Mar 01 16:03:50 EST 2007 | Brandon

Who removes your HAZMAT bucket waste? We need that too. Yeah it is scraped off the stencil and dryed up. Who removes your dross?

Reduction of solder paste usage

Electronics Forum | Mon Mar 05 12:52:06 EST 2007 | DC

Any one have experience of MyData paste jet printing? I don't ave chance to take a look at Apex but it can reduce the paste, no stencil required and paste volume control by programming.

Reduction of solder paste usage

Electronics Forum | Tue Mar 06 09:01:17 EST 2007 | Rob

Yes, looks great - had a play at one of their roadshows. Could turn into an amazing product if they can scale it down enough. However, it's slow and costs more than a large house. More than a screen printer and a huge number of stencils.

Reduction of solder paste usage

Electronics Forum | Wed Mar 14 00:44:22 EDT 2007 | Yngwie

Thanks for the reply Dave. :) No, we dont toss in 500g on the stencil. Have you heard of any method to convert the solder paste to solder bar, just in case someone have done that before? Thanks.

Solder flow Ni/Au

Electronics Forum | Tue Mar 06 09:42:15 EST 2007 | realchunks

Hi Mark, Solder paste will not flow on Ni like it appears on HASL. Where you print it is where it will reflow. Has been like that for years. As a CM you should re-engineer / recut your stencil to provide proper solder joints. I seriously doubt i

How long can you leave paste?

Electronics Forum | Fri Mar 16 02:20:09 EDT 2007 | Wayne

Have to check with paste manufacturer. paste on the stencil should be at least 12 hours paste on the board before mounting should be at least 4 hours.

double printing

Electronics Forum | Tue Mar 20 14:34:45 EDT 2007 | realchunks

Hi Bill, Gasketing between the board and stencil may leak alittle, giving you a fuzzy print. If not, you should be OK. Another variable may be you need to perform an understencil wipe more often, adding to your cycle time. So why ya wanna double

LQA-56A

Electronics Forum | Wed Mar 28 07:33:22 EDT 2007 | aj

Hi All, We have an upcoming prototype build with the above mentioned device type - anyone else using this already , if so any do's & donts with particular reference to the Stencil design ? part number DP83847ALQA56A-ND Thanks, aj...

SMT Line Changeover Time

Electronics Forum | Wed Mar 28 08:23:46 EDT 2007 | DeP

Trying to find the ideal changeover time on an SMT line with stencil printers, GSM'S, and HSP's? What are other company's getting? What does SMT world consider ideal?

How long can you leave paste - update

Electronics Forum | Mon Apr 02 11:55:19 EDT 2007 | chrissieneale

One. Consisting of: 1 stencil printer (approx 10yrs old) 4 placement machines (2 obsolete, 2 fairly new) 1 oven (fairly old)


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