Electronics Forum: gsm and board (Page 1 of 104)

SMT and TH board carrier

Electronics Forum | Fri Aug 27 10:25:52 EDT 1999 | Matthew Park

Is it feasible to have one type of board carriers to take boards thru 1) glue curing process for first side and 2)invert carriers with boards, and 3)reflowing second side, and 4) do manual stuffing of th components and 5) take them thru selective wav

board stretch and IPC -D-300G

Electronics Forum | Mon Nov 12 13:04:35 EST 2001 | slthomas

We've got a problem with a fine pitch board that has about .005" registration error at each end (towards the center of the board) when it's printed. Apparently we've got a case of board stretch generated at the fab shop. I still have to do some mea

board stretch and IPC -D-300G

Electronics Forum | Mon Nov 12 16:14:47 EST 2001 | davef

Yes!!! How can we assemble boards with 20 pitch when we allow 0.008� error to the master art? Excellent question!!! IPC-D-300G has nothing to do with assembler requirements. It is written by and for fabricators, so that they can be comfortable.

board stretch and IPC -D-300G

Electronics Forum | Mon Nov 12 17:12:40 EST 2001 | slthomas

Thanks, Dave. Three courtesy cheers for specifications written to reflect the capabilities of the part suppliers, even if they fail to meet the purchaser's (not unreasonable) process req'ts. In the meantime, I'm sure my stencil guy would be more

board stretch and IPC -D-300G

Electronics Forum | Tue Nov 13 09:25:42 EST 2001 | davef

Maybe. While it doesn't help with your current problem, there is nothing that says that you cannot impose requirements in your purchase order that are stricter than D-300.

Stencil and board Ultrasonic cleaner

Electronics Forum | Wed Feb 01 11:36:03 EST 2006 | Bruno Lalonde

Hello I�m looking for a ultrasonic stencil cleaner, maybe you guys can give me good and inexpensive brand. I�m also concerned about the waste, how do we treat it for the respect of the environment. Thanks

Stencil and board Ultrasonic cleaner

Electronics Forum | Wed Feb 01 11:48:55 EST 2006 | russ

I would recopmmend contacting Aqueous technologies or Smart Sonic along with other Mfgrs. They will be best suited to evaluate your needs.

Stencil and board Ultrasonic cleaner

Electronics Forum | Wed Feb 01 14:19:27 EST 2006 | samir

Chunks, Here is some good information from the archives regarding Ultrasonic Systems: http://www.smtnet.com//forums/index.cfm?fuseaction=view_thread&CFApp=1&Thread_ID=3026&#Message12326

Stencil and board Ultrasonic cleaner

Electronics Forum | Wed Feb 01 15:36:35 EST 2006 | Darnell

Maybe at dat homie�s shop, they opted ta use Semco ridetridges instead of jars, and they didn�t gots a process put in place ta recycle da old solder paste. - aww yea foo.

Stencil and board Ultrasonic cleaner

Electronics Forum | Wed Feb 01 13:32:18 EST 2006 | samir

Whatever you do, don't get a cleaner where they "lock" you into using their Saponifier! I remember at my previous company, getting that monstrosity running was my 1st project - the boob who bought it washed his hands of it and assigned it to me.....

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