Electronics Forum: stick and board (Page 1 of 117)

PCBA board and probe

Electronics Forum | Sat Nov 13 03:10:36 EST 2021 | pti88

why poor contact between PCBA board and probe? When I used ICT to test PCBA board, there was poor contact between board and probe .

PCBA board and probe

Electronics Forum | Wed Nov 17 20:11:29 EST 2021 | dwl

is there flux on the board? are you probing a test point or a soldered pad? is the probe hitting the right spot?

PCBA board and probe

Electronics Forum | Sun Nov 14 11:14:50 EST 2021 | kylehunter

> why poor contact between PCBA board and probe? Why ask a question with 0 information and some how expect an answer?

Profiling board

Electronics Forum | Mon May 27 18:51:17 EDT 2002 | harotec

Hi Yngwie Have you got a reflow oven yet. If not, forget about complicated profiling with test runs or reflow trackers. We've got a nice oven with integrated temperature-feedback system. You build any profile you want and the oven will adjust its hea

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

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