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Electronics Forum | Thu Nov 01 17:32:13 EST 2001 | davef
"small" versus "LARGE" parts? Jeez, what do I know? We don�t have a formal definition. They�re the ones that make you say: �Now, that�s a BIG-ass part!!!� �nominal� versus �maximum�? Yes, yer correct.
Electronics Forum | Fri May 17 14:12:17 EDT 2002 | dason_c
Not now, Valor may under develop the module for its Trilogy 5000 with the stencil aperture based on the rules which you set. Also, check with IRI stencil (Alpha), they have a s/w and based on using ODB++ file and not Gerber. Rgds.
Electronics Forum | Wed May 22 12:32:49 EDT 2002 | pwrgroup
which stencil vendor can deliver aspect ratio and area ratio and the statistical information to the user?It's difficult if the pad is modified.
Electronics Forum | Wed May 22 12:39:00 EDT 2002 | pwrgroup
and the two ratio is changed if you use different thickness sheet or step-down or step-up.I think real time calculator of the two ratio is very important for tranfer efficience.
Electronics Forum | Wed Feb 05 10:26:18 EST 2003 | russ
Go one to one at 7mils for these connectors. Generally your stencil shop will do this for you. Somebody has the artwork since a stencil was made for it at sometime? Russ
Electronics Forum | Thu Oct 03 18:45:56 EDT 2002 | davef
Get started with an "On-Board Forum" [blue bar an inch down from the top of the page] moderated by Jeff Schake at DEK that was a discussion focused on stencil printing issues with 0201 technology. Chris: Are you putting 0201 on flex? If so, sounds
Electronics Forum | Sat Oct 12 05:05:09 EDT 2002 | Kenture
I run 0201 on a 5 mils stencil with openting of 15X12 and did not have any issue. The major concern is the placement and CP643 did very good job. Type 3 solder pastes was used. Good luck.
Electronics Forum | Wed Oct 09 11:59:56 EDT 2002 | slthomas
Is anyone out there aware of any standard or even a section of a standard that specifically addresses design guidelines for two-sided assemblies, particularly one that focuses on different processes? I'm being asked to produce information from said
Electronics Forum | Mon Oct 21 13:51:35 EDT 2002 | stepheno
Check out http://www.aimtronics.com/DFMDecember2000.pdf I"m not sure if there is anything usefull to you in it, and if you are going to check it out check it out soon, the company is in recievership.
Electronics Forum | Wed Oct 23 08:24:57 EDT 2002 | pizz
I want to know how many PTH or DIP components is the critical point,when we choose the process,two side reflow or one reflow other wave soldering? it is not easy to make decision ,the cost of the hand soldering is cheap in our country. any comments w
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