Electronics Forum | Fri Apr 20 05:32:39 EDT 2001 | dougie
Hi, I've just splashed out �60 on IPC-A-600F trying to find out the formula for measuring the bow and twist of raw PCB's. Much to my dismay there are 10 lines on the subject in the whole standard. Worse still is that it tells me nothing I don't alre
Electronics Forum | Sat Jun 06 22:53:11 EDT 1998 | EFData
Earl, As always, I am interested in what you have to say, but I am still a little vague on your application of ANSI Y14.5 as it relates to the manufacturability of an assembled printed circuit board. Are you implying that component placement coordina
Electronics Forum | Tue Aug 12 14:49:26 EDT 2008 | awegener
I'm attempting to pick and place a small rivet onto our PCB. The rivet should be attached via reflow solder. The rivet will be used to create a sandwich, holding together a frame and additional circuit board in a package. This part is intended onl
Electronics Forum | Mon Aug 18 15:03:38 EDT 2008 | awegener
I'd like to get more information about pick and place nozzles. How can I learn more? ... What do the nozzles look like? Are there different shapes? Are custom nozzles sometimes used for custom parts or are the nozzles mostly standardized? What kind
Electronics Forum | Thu Sep 03 15:43:18 EDT 1998 | Tim Flanagan
I need advice for locating 23 Gull wing LED's (all in a straight line) in the x,y, and z axis for a SMT PCB. It is a Hewlett Packard LED (P/N HMLA-QH00-01). The application uses a CCD to detect the position of a ball which floats in a resevior for
Electronics Forum | Fri Sep 04 09:33:40 EDT 1998 | Stefan W.
| I need advice for locating 23 Gull wing LED's (all in a straight line) in the x,y, and z axis for a SMT PCB. It is a Hewlett Packard LED (P/N HMLA-QH00-01). The application uses a CCD to detect the position of a ball which floats in a resevior fo
Electronics Forum | Thu Jul 20 14:57:26 EDT 2000 | Bob Willis
I have just measured my new test board and the dimensions are 0.025� square, 0.015� seperation with resist aperture 0.004� larger. Don�t know when I will be using it yet. I have not seen a head to head with these pastes yet, I know that Panasonic ar
Electronics Forum | Sun Jun 07 02:06:26 EDT 1998 | Earl Moon
| Earl, | As always, I am interested in what you have to say, but I am still a little vague on your application of ANSI Y14.5 as it relates to the manufacturability of an assembled printed circuit board. Are you implying that component placement coor
Electronics Forum | Fri Feb 27 11:33:32 EST 2004 | Bryan
Very strange question,but interesting.Is there anyone who have conducted any experiments to figure out the results?I made a profile board,one thermal couple on pad and other one drilled into the ball of BGA.the 2 points are perpendicular to conveyor
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